/* ============================================================
   KeySecu Ltd - Corporate Website Stylesheet
   Inspired by eagle-stationery.com UI design
   Primary palette: Fresh Green #2EA655 + dark text + light gray bg
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
    /* Brand colors */
    --color-primary: #2EA655;          /* Fresh brand green */
    --color-primary-dark: #1F8038;
    --color-primary-light: #5CC077;
    --color-primary-soft: #E8F5E9;     /* Tinted bg for accent surfaces */

    /* Text colors */
    --color-text-dark: #1f1f1f;
    --color-text: #333333;
    --color-text-medium: #666666;
    --color-text-light: #999999;
    --color-text-faint: #bbbbbb;

    /* Surfaces */
    --color-bg: #ffffff;
    --color-bg-soft: #f6f6f6;          /* Section light gray */
    --color-bg-warm: #F0F7F2;          /* Soft green-tinted warm bg */
    --color-bg-alt: #fafafa;

    /* Lines & borders */
    --color-border: #e8e8e8;
    --color-border-light: #f0f0f0;

    /* Footer accent */
    --color-footer-orange: #2EA655;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.10);
    --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.12);

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-full: 9999px;

    /* Transitions */
    --t: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --max-w: 1240px;
    --topbar-h: 36px;
    --nav-h: 76px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    padding-top: calc(var(--topbar-h) + var(--nav-h));
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--t);
}

ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text-dark);
    letter-spacing: -0.01em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { color: var(--color-text-medium); margin-bottom: 1rem; }

/* Section heading style (Eagle-style: small uppercase label + big title) */
.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-dark);
    position: relative;
    padding-left: 36px;
    margin-bottom: 18px;
}
.section-eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 28px;
    height: 2px;
    background: var(--color-primary);
    transform: translateY(-50%);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-dark);
    line-height: 1.2;
}
.section-title .accent { color: var(--color-primary); }

.section-subtitle {
    font-size: 1rem;
    color: var(--color-text-medium);
    max-width: 720px;
    margin: 14px auto 0;
}

/* ---------- Layout helpers ---------- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 90px 0;
}
.section--tight { padding: 60px 0; }
.section--soft  { background: var(--color-bg-soft); }
.section--warm  { background: var(--color-bg-warm); }
.section--white { background: #fff; }
.text-center { text-align: center; }

/* ============================================================
   TOP UTILITY BAR
   ============================================================ */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-h);
    background: var(--color-bg-soft);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1100;
    font-size: 0.82rem;
    color: var(--color-text-medium);
}
.topbar .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 28px;
}
.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.topbar-item svg { width: 14px; height: 14px; opacity: 0.7; }
.topbar-item a { color: var(--color-text); font-weight: 500; }
.topbar-item a:hover { color: var(--color-primary); }
.topbar-divider { color: var(--color-text-faint); }

/* ============================================================
   MAIN NAVIGATION
   ============================================================ */
.navbar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    height: var(--nav-h);
    background: #fff;
    z-index: 1050;
    transition: var(--t);
    border-bottom: 1px solid transparent;
}
.navbar.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--color-border-light);
}

.navbar .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-text-dark);
    letter-spacing: -0.01em;
}
.nav-logo .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 6px 16px rgba(243, 113, 33, 0.25);
}
.nav-logo .logo-text small {
    display: block;
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-top: 2px;
}
.nav-logo .site-logo {
    display: block;
    width: auto;
    height: 48px;
    max-width: 205px;
    object-fit: contain;
}
.footer-brand .nav-logo .site-logo {
    height: 54px;
    max-width: 220px;
    mix-blend-mode: multiply;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    position: relative;
    padding: 8px 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: var(--t);
    border-radius: 2px;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--color-primary); font-weight: 600; }

.nav-tools {
    display: flex;
    align-items: center;
    gap: 14px;
}
.nav-lang {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    font-size: 0.85rem;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}
.nav-lang:hover { color: var(--color-primary); border-color: var(--color-primary); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-dark);
    border-radius: 2px;
    transition: var(--t);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO (banner style inspired by Eagle)
   ============================================================ */
.hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    background: linear-gradient(120deg, #f6f6f6 0%, #efefef 100%);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(243, 113, 33, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 10% 80%, rgba(243, 113, 33, 0.05) 0%, transparent 30%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 2; width: 100%; }

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 48px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 18px;
}
.hero-eyebrow::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--color-primary);
    display: inline-block;
}

.hero-title {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.12;
    color: var(--color-text-dark);
    letter-spacing: -0.02em;
    margin-bottom: 22px;
}
.hero-title .accent { color: var(--color-primary); }

.hero-desc {
    font-size: 1.1rem;
    color: var(--color-text-medium);
    margin-bottom: 32px;
    max-width: 540px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-size: cover;
    background-position: center;
}
.hero-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(31,31,31,0.05) 0%, transparent 60%);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 30px;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--t);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: 0 10px 24px rgba(243, 113, 33, 0.32);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}
.btn-outline-light:hover {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--color-text-dark);
    border-color: var(--color-border);
}
.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-link {
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0;
    background: none;
    border: 0;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-link::after { content: '\2192'; transition: var(--t); }
.btn-link:hover { color: var(--color-primary-dark); }
.btn-link:hover::after { transform: translateX(4px); }

.btn-lg { padding: 16px 38px; font-size: 0.95rem; }
.btn-sm { padding: 10px 20px; font-size: 0.82rem; }

/* ============================================================
   FEATURES / ABOUT SPLIT
   ============================================================ */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }

.split-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: var(--shadow-lg);
    background-size: cover;
    background-position: center;
}
.split-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.05) 0%, transparent 50%);
}
.split-media .play-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 28px rgba(243, 113, 33, 0.4);
    z-index: 2;
}
.split-media .play-btn::before {
    content: '';
    width: 0; height: 0;
    border-left: 14px solid #fff;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 4px;
}

.split-body h2 { margin-bottom: 18px; }
.split-body p { font-size: 1.02rem; }
.split-body .lead {
    font-size: 1.2rem;
    color: var(--color-text);
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 24px;
}
.split-thumbs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 28px;
}
.split-thumbs .thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-size: cover;
    background-position: center;
    position: relative;
    cursor: pointer;
    transition: var(--t);
}
.split-thumbs .thumb:hover { transform: translateY(-4px); }
.split-thumbs .thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.35), transparent 50%);
}

/* ============================================================
   STATS / COUNTERS
   ============================================================ */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.stat {
    padding: 20px;
}
.stat .num {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 6px;
}
.stat .label {
    font-size: 0.95rem;
    color: var(--color-text-medium);
    font-weight: 500;
}

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    transition: var(--t);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--t);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary-soft);
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.feature-card p { font-size: 0.95rem; margin-bottom: 0; }

/* ============================================================
   PARTNER LOGOS ROW
   ============================================================ */
.partner-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    align-items: center;
}
.partner-card {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    transition: var(--t);
}
.partner-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-soft);
}
.partner-card span {
    color: var(--color-primary-dark);
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
}
.partner-card img {
    max-height: 50px;
    width: auto;
    filter: grayscale(0.4);
    opacity: 0.85;
    transition: var(--t);
}
.partner-card:hover img { filter: grayscale(0); opacity: 1; }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.product-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: var(--t);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary-soft);
}
.product-thumb {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    background-size: cover;
    background-position: center;
    transition: var(--t);
}
.product-card:hover .product-thumb { transform: scale(1.04); }
.product-body {
    padding: 18px 18px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.product-title {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--color-text-dark);
    line-height: 1.4;
    flex: 1;
}
.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--color-text-light);
    padding-top: 10px;
    border-top: 1px solid var(--color-border-light);
}
.product-tag {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================================
   CERTIFICATES
   ============================================================ */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}
.cert-card {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    transition: var(--t);
}
.cert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.cert-thumb {
    aspect-ratio: 3/4;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
    background-size: cover;
    background-position: center;
    margin-bottom: 12px;
}
.cert-card .name {
    font-size: 0.82rem;
    color: var(--color-text-medium);
    line-height: 1.4;
}

/* ============================================================
   NEWS CARDS
   ============================================================ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: var(--t);
    display: flex;
    flex-direction: column;
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.news-thumb {
    aspect-ratio: 16/10;
    background: var(--color-bg-soft);
    background-size: cover;
    background-position: center;
}
.news-body {
    padding: 22px 24px 26px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
.news-date {
    font-size: 0.82rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.news-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1.4;
}
.news-card:hover .news-title { color: var(--color-primary); }
.news-excerpt {
    font-size: 0.92rem;
    color: var(--color-text-medium);
    line-height: 1.6;
    flex: 1;
}

/* ============================================================
   CTA BANNER (Eagle-style "Have Any Questions?")
   ============================================================ */
.cta-banner {
    position: relative;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    padding: 64px 48px;
    text-align: center;
    background-image:
        linear-gradient(135deg, rgba(243,113,33,0.92) 0%, rgba(216,95,21,0.92) 100%),
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
    background-size: cover;
    background-position: center;
}
.cta-banner h2 {
    color: #fff;
    font-size: 2.4rem;
    margin-bottom: 14px;
    font-weight: 800;
}
.cta-banner p {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 28px;
}

/* ============================================================
   PAGE BANNER (about/products/download/contact)
   ============================================================ */
.page-banner {
    background:
        linear-gradient(135deg, rgba(31,31,31,0.7) 0%, rgba(31,31,31,0.55) 100%),
        linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 90px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 10% 80%, rgba(255,255,255,0.06) 0%, transparent 30%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 {
    color: #fff;
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}
.page-banner .breadcrumb {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.85);
}
.page-banner .breadcrumb a { color: #fff; }
.page-banner .breadcrumb a:hover { color: var(--color-primary-light); }
.page-banner .breadcrumb .sep { margin: 0 10px; opacity: 0.6; }

/* ============================================================
   BANNER CAROUSEL (managed from admin panel)
   ============================================================ */
.banner-carousel {
    position: relative;
    width: 100%;
    height: var(--banner-h, 480px);
    overflow: hidden;
    background: #1a1a1a;
    transition: height 0.4s ease;
}
.banner-slides {
    position: relative;
    width: 100%;
    height: 100%;
}
.banner-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner-slide.active {
    opacity: 1;
}
.banner-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(31,31,31,0.65) 0%, rgba(31,128,56,0.45) 100%);
}
body[data-page="home"] .banner-slide-overlay { background: transparent; }
.banner-slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 720px;
    padding: 0 24px;
}
.banner-slide-title {
    color: #fff;
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    margin-bottom: 14px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.banner-slide-subtitle {
    color: rgba(255,255,255,0.92);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 24px;
    text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}
.banner-slide-btn {
    display: inline-block;
    padding: 12px 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--t);
    text-decoration: none;
}
.banner-slide-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46,166,85,0.4);
}
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--t);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}
.banner-arrow:hover {
    background: rgba(255,255,255,0.35);
}
.banner-arrow-prev { left: 20px; }
.banner-arrow-next { right: 20px; }
.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}
.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--t);
    padding: 0;
}
.banner-dot.active {
    background: #fff;
    transform: scale(1.2);
}
@media (max-width: 768px) {
    .banner-carousel { height: calc(var(--banner-h, 480px) * 0.67); }
    .banner-slide-title { font-size: 1.8rem; }
    .banner-slide-subtitle { font-size: 0.95rem; }
    .banner-arrow { width: 36px; height: 36px; font-size: 0.9rem; }
    .banner-arrow-prev { left: 8px; }
    .banner-arrow-next { right: 8px; }
}

/* ============================================================
   PRODUCT CENTER (Eagle-style sidebar + grid)
   ============================================================ */
.pc-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: start;
}

/* --- Sidebar --- */
.pc-sidebar {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 24px 0 8px;
    position: sticky;
    top: calc(var(--topbar-h) + var(--nav-h) + 20px);
    box-shadow: var(--shadow-sm);
}
.pc-sidebar-title {
    padding: 0 24px 16px;
    margin: 0;
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    background: var(--color-primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    margin: -24px 0 0;
    padding: 18px 24px;
}
.pc-sidebar-list {
    list-style: none;
    padding: 8px 0;
    margin: 0;
}
.pc-sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    color: var(--color-text-medium);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: var(--t);
}
.pc-sidebar-item:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-left-color: var(--color-primary);
}
.pc-sidebar-item.active {
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-left-color: var(--color-primary);
    font-weight: 600;
}
.pc-sidebar-name { flex: 1; }
.pc-sidebar-count {
    background: rgba(0,0,0,0.06);
    color: var(--color-text-medium);
    border-radius: var(--radius-full);
    padding: 2px 8px;
    font-size: 0.74rem;
    font-weight: 600;
}
.pc-sidebar-item.active .pc-sidebar-count {
    background: var(--color-primary);
    color: #fff;
}
.pc-sidebar-arrow {
    width: 14px;
    height: 14px;
    opacity: 0.5;
    flex-shrink: 0;
}
.pc-sidebar-item.active .pc-sidebar-arrow { opacity: 1; color: var(--color-primary); }

/* Expandable category items */
.pc-sidebar-cat {
    border-left: 3px solid transparent;
    transition: var(--t);
}
.pc-sidebar-cat.active {
    border-left-color: var(--color-primary);
}
.pc-sidebar-cat-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    color: var(--color-text-medium);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
}
.pc-sidebar-cat-head:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
}
.pc-sidebar-cat.active .pc-sidebar-cat-head {
    color: var(--color-primary);
    background: var(--color-primary-soft);
    font-weight: 600;
}
.pc-sidebar-cat.active .pc-sidebar-count {
    background: var(--color-primary);
    color: #fff;
}
.pc-sidebar-arrow.rotated {
    transform: rotate(90deg);
}
.pc-sidebar-sub {
    list-style: none;
    padding: 4px 0;
    margin: 0;
    background: var(--color-bg-soft);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}
.pc-sidebar-sub-item {
    padding: 9px 24px 9px 40px;
    font-size: 0.85rem;
    color: var(--color-text-medium);
    cursor: pointer;
    transition: var(--t);
    border-left: 3px solid transparent;
}
.pc-sidebar-sub-item:hover {
    color: var(--color-primary);
    background: rgba(243,113,33,0.06);
}
.pc-sidebar-sub-item.active {
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
    background: rgba(243,113,33,0.08);
}
.pc-sidebar-loading {
    padding: 20px 24px;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* --- Main area --- */
.pc-main { min-height: 600px; }
.pc-intro {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 32px 36px;
    margin-bottom: 28px;
}
.pc-intro .section-tag { display: inline-block; }
.pc-intro h2 { margin: 8px 0 14px; font-size: 1.5rem; }
.pc-intro p { color: var(--color-text-medium); font-size: 0.95rem; line-height: 1.7; margin-bottom: 10px; }
.pc-intro p:last-child { margin-bottom: 0; }

/* --- Product grid --- */
.pc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.pc-card {
    cursor: pointer;
    transition: var(--t);
}
a.pc-card {
    display: block;
    text-decoration: none;
    color: inherit;
}
.pc-card-media {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid var(--color-border-light);
}
.pc-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.pc-card:hover .pc-card-media img { transform: scale(1.06); }
/* --- Product card video (hover-to-play) --- */
.pc-card-media video.pc-card-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: #000;
    transition: transform 0.4s ease;
}
.pc-card:hover .pc-card-media video.pc-card-video { transform: scale(1.06); }
.pc-card-video-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.55);
    color: #fff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
}
.pc-card-video-badge svg { width: 16px; height: 16px; margin-left: 2px; }
.pc-card.has-video:hover .pc-card-video-badge { opacity: 0; transition: opacity 0.25s; }
/* --- Detail page video --- */
.pc-detail-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
    border-radius: inherit;
    display: block;
}
.pc-detail-thumb-video {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #000;
}
.pc-detail-thumb-video svg { width: 28px; height: 28px; color: #fff; margin-left: 3px; }
.pc-card-visual {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pc-card-visual span { font-size: 4.5rem; }
.pc-card-visual--big span { font-size: 6rem; }
.pc-card-title {
    font-size: 0.92rem;
    color: var(--color-text-dark);
    font-weight: 500;
    line-height: 1.5;
    margin: 0;
    padding: 0 2px;
    transition: var(--t);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}
.pc-card:hover .pc-card-title { color: var(--color-primary); }

.pc-grid-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-light);
}
.pc-grid-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-light);
}
.pc-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 14px;
    animation: pc-spin 0.8s linear infinite;
}
@keyframes pc-spin { to { transform: rotate(360deg); } }

/* --- Pagination --- */
.pc-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 36px;
    flex-wrap: wrap;
}
.pc-page {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-medium);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--t);
}
.pc-page:hover {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.pc-page.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.pc-page.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* --- Product detail modal --- */
.pc-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: pc-fade-in 0.2s ease;
}
@keyframes pc-fade-in { from { opacity: 0; } to { opacity: 1; } }
.pc-modal-dialog {
    background: #fff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    overflow: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: pc-zoom-in 0.25s ease;
}
@keyframes pc-zoom-in { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.pc-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: rgba(0,0,0,0.05);
    border: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.4rem;
    color: var(--color-text-dark);
    cursor: pointer;
    z-index: 2;
    transition: var(--t);
}
.pc-modal-close:hover { background: var(--color-primary); color: #fff; }
.pc-modal-body {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 32px;
    padding: 36px;
}
.pc-modal-main {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pc-modal-main img { width: 100%; height: 100%; object-fit: cover; }
.pc-modal-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.pc-modal-thumb {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--t);
}
.pc-modal-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pc-modal-thumb.active,
.pc-modal-thumb:hover { border-color: var(--color-primary); }
.pc-modal-thumb-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.85rem;
    padding: 20px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
}
.pc-modal-info { display: flex; flex-direction: column; gap: 10px; }
.pc-modal-cat {
    font-size: 0.78rem;
    text-transform: uppercase;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.08em;
}
.pc-modal-info h2 { font-size: 1.6rem; margin: 4px 0 6px; }
.pc-modal-tag {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    width: fit-content;
}
.pc-modal-desc {
    color: var(--color-text-medium);
    line-height: 1.65;
    margin: 6px 0;
}
.pc-modal-feats {
    list-style: none;
    padding: 0;
    margin: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pc-modal-feats li {
    padding-left: 24px;
    position: relative;
    color: var(--color-text-medium);
    font-size: 0.92rem;
    line-height: 1.55;
}
.pc-modal-feats li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
}
.pc-modal-specs { margin-top: 6px; }
.pc-modal-specs h4 {
    font-size: 0.95rem;
    color: var(--color-text-dark);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.pc-modal-specs table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.pc-modal-specs td {
    padding: 8px 10px;
    border: 1px solid var(--color-border-light);
}
.pc-modal-specs td:first-child {
    background: var(--color-bg-soft);
    color: var(--color-text-dark);
    font-weight: 600;
    width: 38%;
}
.pc-modal-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-light);
}

/* --- Inline product detail (replaces modal) --- */
.pc-detail {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.pc-detail-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 14px 24px;
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-medium);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--t);
}
.pc-detail-back:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
}
.pc-detail-back svg { width: 18px; height: 18px; }
.pc-detail-body {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 36px;
    padding: 36px;
}
.pc-detail-main {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-light);
}
.pc-detail-main img { width: 100%; height: 100%; object-fit: cover; }
.pc-detail-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.pc-detail-thumb {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--t);
}
.pc-detail-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pc-detail-thumb.active,
.pc-detail-thumb:hover { border-color: var(--color-primary); }
.pc-detail-info { display: flex; flex-direction: column; gap: 10px; }
.pc-detail-cat {
    font-size: 0.78rem;
    text-transform: uppercase;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.08em;
}
.pc-detail-info h2 { font-size: 1.6rem; margin: 4px 0 6px; }
.pc-detail-tag {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    width: fit-content;
}
.pc-detail-desc {
    color: var(--color-text-medium);
    line-height: 1.65;
    margin: 6px 0;
}
.pc-detail-feats {
    list-style: none;
    padding: 0;
    margin: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pc-detail-feats li {
    padding-left: 24px;
    position: relative;
    color: var(--color-text-medium);
    font-size: 0.92rem;
    line-height: 1.55;
}
.pc-detail-feats li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
}
.pc-detail-specs { margin-top: 6px; }
.pc-detail-specs h4 {
    font-size: 0.95rem;
    color: var(--color-text-dark);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.pc-detail-specs table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.pc-detail-specs td {
    padding: 8px 10px;
    border: 1px solid var(--color-border-light);
}
.pc-detail-specs td:first-child {
    background: var(--color-bg-soft);
    color: var(--color-text-dark);
    font-weight: 600;
    width: 38%;
}
/* Full-width specs below the gallery+info body */
.pc-detail-specs--full {
    padding: 0 36px 36px;
}
.pc-detail-specs--full h4 {
    margin-bottom: 12px;
}
.pc-detail-specs--full table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
}
.pc-detail-specs--full table td {
    width: 50%;
    border: 1px solid var(--color-border-light);
    vertical-align: top;
}
@media (max-width: 768px) {
    .pc-detail-specs--full { padding: 0 24px 24px; }
    .pc-detail-specs--full table td { width: 100%; display: block; }
}
.pc-detail-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-light);
}

/* --- R&D Innovation section --- */
.rnd-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.rnd-text h2 { margin: 8px 0 24px; }
.rnd-block {
    margin-bottom: 22px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--color-border-light);
}
.rnd-block:last-of-type { border-bottom: 0; }
.rnd-block h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}
.rnd-block h3 svg { width: 22px; height: 22px; color: var(--color-primary); }
.rnd-block p { color: var(--color-text-medium); margin: 0; line-height: 1.7; }
.rnd-visual {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.rnd-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}
.rnd-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--color-primary);
    color: #fff;
    padding: 18px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}
.rnd-badge-num {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}
.rnd-badge-text {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
    line-height: 1.3;
}

/* --- Featured Product Banner (Eagle-style "NEW PRODUCT") --- */
.featured-banner {
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 90px 40px;
    border-radius: var(--radius-lg);
    text-align: left;
    max-width: 100%;
    overflow: hidden;
    position: relative;
}
.featured-tag {
    display: inline-block;
    background: rgba(255,255,255,0.18);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
    backdrop-filter: blur(6px);
}
.featured-banner h2 {
    font-size: 3.6rem;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1;
}
.featured-banner p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 24px;
    max-width: 540px;
}

/* --- Customized Solutions --- */
.custom-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
}
.custom-visual {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.custom-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}
.custom-stat {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: #fff;
    color: var(--color-text-dark);
    padding: 18px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}
.custom-stat-num {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 4px;
}
.custom-stat-text {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-medium);
    line-height: 1.3;
}
.custom-text h2 { margin: 8px 0 14px; }
.custom-text > p {
    color: var(--color-text-medium);
    line-height: 1.7;
    margin-bottom: 18px;
}
.custom-list {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.custom-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: var(--color-text-medium);
    font-size: 0.95rem;
    line-height: 1.6;
}
.custom-list svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-radius: 50%;
    padding: 4px;
    flex-shrink: 0;
    margin-top: 2px;
}
.custom-list strong { color: var(--color-text-dark); }

/* --- Responsive --- */
@media (max-width: 1100px) {
    .pc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .pc-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .pc-sidebar {
        position: static;
        padding: 0;
        margin-bottom: 8px;
    }
    .pc-sidebar-title {
        margin: 0;
        border-radius: var(--radius-md);
    }
    .pc-sidebar-list {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        padding: 8px;
    }
    .pc-sidebar-item {
        padding: 8px 14px;
        border-radius: var(--radius-full);
        border-left: 0;
        font-size: 0.85rem;
    }
    .pc-sidebar-cat-head {
        padding: 8px 14px;
        border-radius: var(--radius-full);
        border-left: 0;
        font-size: 0.85rem;
    }
    .pc-sidebar-cat { border-left: 0; }
    .pc-sidebar-sub { display: none; }
    .pc-sidebar-arrow { display: none; }
    .pc-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .pc-intro { padding: 24px 22px; }
    .rnd-grid,
    .custom-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .pc-modal-body {
        grid-template-columns: 1fr;
        padding: 24px;
    }
    .pc-detail-body {
        grid-template-columns: 1fr;
        padding: 24px;
    }
    .featured-banner {
        padding: 60px 24px;
        text-align: center;
    }
    .featured-banner h2 { font-size: 2.4rem; }
}
@media (max-width: 600px) {
    .pc-grid { grid-template-columns: 1fr; }
    .pc-intro h2 { font-size: 1.25rem; }
    .featured-banner h2 { font-size: 1.9rem; }
    .pc-card-title { font-size: 0.85rem; }
    .pc-modal { padding: 12px; }
    .pc-modal-body { padding: 20px; }
    .pc-modal-info h2 { font-size: 1.3rem; }
    .pc-modal-actions { flex-direction: column; }
    .pc-modal-actions .btn { width: 100%; }
    .pc-detail-body { padding: 20px; }
    .pc-detail-info h2 { font-size: 1.3rem; }
    .pc-detail-actions { flex-direction: column; }
    .pc-detail-actions .btn { width: 100%; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: #1f1f1f;
    color: #b5b5b5;
    padding-top: 60px;
    font-size: 0.92rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr 1.1fr;
    gap: 40px;
    padding-bottom: 50px;
}
.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.footer-brand .nav-logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { color: #999; font-size: 0.9rem; line-height: 1.7; }
.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--t);
}
.footer-social a:hover { background: var(--color-primary); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; }

.footer-list li { margin-bottom: 10px; }
.footer-list a { color: #b5b5b5; }
.footer-list a:hover { color: var(--color-primary); padding-left: 4px; }

.footer-contact li {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    line-height: 1.6;
}
.footer-contact svg {
    width: 16px; height: 16px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 4px;
}
.footer-contact a { color: #b5b5b5; }
.footer-contact a:hover { color: var(--color-primary); }

.footer-bottom {
    background: var(--color-primary);
    color: #fff;
    padding: 14px 0;
    font-size: 0.85rem;
}
.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom a { color: #fff; text-decoration: underline; }
.footer-bottom a:hover { color: rgba(255,255,255,0.85); }

/* ============================================================
   FLOATING SOCIAL DOCK (right edge)
   ============================================================ */
.dock {
    position: fixed;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: visible;
}
/* Rounded corners on first/last items (since overflow is visible for popup) */
.dock > a:first-child {
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}
.dock > a:last-child {
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}
.dock a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-medium);
    border-bottom: 1px solid var(--color-border-light);
    transition: var(--t);
}
.dock a:last-child { border-bottom: 0; }
.dock a:hover { background: var(--color-primary); color: #fff; }
.dock svg { width: 18px; height: 18px; }
.dock .dock-top {
    background: var(--color-primary);
    color: #fff;
    cursor: pointer;
}
.dock .dock-top:hover { background: var(--color-primary-dark); }

/* Per-platform hover colors on the floating dock */
.dock a.platform-facebook:hover  { background: #1877F2; }
.dock a.platform-whatsapp:hover  { background: #25D366; }
.dock a.platform-wechat:hover    { background: #07C160; }
.dock a.platform-email:hover     { background: #EA580C; }
.dock a.platform-linkedin:hover  { background: #0A66C2; }
.dock a.platform-twitter:hover   { background: #0F172A; }
.dock a.platform-instagram:hover { background: #E1306C; }
.dock a.platform-youtube:hover   { background: #FF0000; }
.dock a.platform-tiktok:hover    { background: #0F172A; }
.dock a.platform-telegram:hover  { background: #229ED9; }
.dock a.platform-line:hover      { background: #00C300; }

/* WeChat — hover popup with QR */
.dock a.dock-wechat-wrap { position: relative; cursor: pointer; }
.dock-wechat-popup {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) scale(.92);
    transform-origin: right center;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
    padding: 14px;
    width: 180px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
    z-index: 910;
}
.dock-wechat-popup::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #fff;
    box-shadow: 2px -2px 4px rgba(15, 23, 42, 0.05);
}
.dock-wechat-popup img {
    width: 152px;
    height: 152px;
    display: block;
    border-radius: 8px;
    background: #F1F5F9;
}
.dock-wechat-popup .popup-label {
    margin-top: 8px;
    font-size: .8rem;
    color: var(--color-text-medium, #475569);
    font-weight: 600;
    letter-spacing: .02em;
}
.dock-wechat-popup .popup-sub {
    font-size: .7rem;
    color: var(--color-text-light, #94A3B8);
    margin-top: 2px;
    font-weight: 500;
}
.dock-wechat-wrap:hover .dock-wechat-popup,
.dock-wechat-wrap:focus-within .dock-wechat-popup {
    opacity: 1;
    transform: translateY(-50%) scale(1);
    pointer-events: auto;
}
@media (max-width: 768px) {
    .dock-wechat-popup { right: auto; left: calc(100% + 10px); }
    .dock-wechat-popup::after { right: auto; left: -6px; box-shadow: -2px 2px 4px rgba(15, 23, 42, 0.05); }
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: start;
}
.contact-info {
    background: var(--color-primary-soft);
    border-radius: var(--radius-lg);
    padding: 36px;
}
.contact-info h3 { margin-bottom: 16px; }
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 20px;
}
.contact-info-list .ci {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.contact-info-list .ci-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-info-list .ci-icon svg { width: 18px; height: 18px; }
.contact-info-list .ci-text strong {
    display: block;
    color: var(--color-text-dark);
    font-weight: 600;
    margin-bottom: 2px;
}
.contact-info-list .ci-text span,
.contact-info-list .ci-text a {
    color: var(--color-text-medium);
    font-size: 0.92rem;
    line-height: 1.5;
}
.contact-info-list .ci-text a:hover { color: var(--color-primary); }

/* Contact info items (used in contact.html) */
.ci-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 24px;
}
.ci-item:last-child { margin-bottom: 0; }
.ci-icon {
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ci-icon svg { width: 20px; height: 20px; }
.ci-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 6px;
}
.ci-item p {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    line-height: 1.6;
    margin: 0;
}
.ci-item a {
    color: var(--color-text-medium);
    transition: var(--t);
}
.ci-item a:hover { color: var(--color-primary); }

.form-card {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row .form-group:only-child { grid-column: 1 / -1; }
.form-row label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 6px;
}
.form-row label .req { color: var(--color-primary); }
.form-row input,
.form-row textarea,
.form-row select {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--t);
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(243, 113, 33, 0.12);
}
.form-row textarea { min-height: 130px; resize: vertical; }
/* Custom select arrow — matches site style across browsers */
.form-row select,
.form-row .form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23555046' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
    cursor: pointer;
}
.form-submit {
    width: 100%;
    padding: 14px;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 0;
    border-radius: var(--radius-sm);
    transition: var(--t);
}
.form-submit:hover { background: var(--color-primary-dark); }
.form-submit:disabled { opacity: 0.6; cursor: wait; }
.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
    color: var(--color-primary);
}
.form-success.show { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.form-success svg { width: 56px; height: 56px; }

/* ===== Quote Product Banner ===== */
.quote-product-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    margin-bottom: 24px;
    background: var(--color-primary-soft);
    border: 1px solid var(--color-primary-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}
.quote-product-icon {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
}
.quote-product-icon svg {
    width: 22px;
    height: 22px;
    color: #fff;
    stroke: #fff;
}
.quote-product-body {
    flex: 1;
    min-width: 0;
}
.quote-product-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-bottom: 2px;
}
.quote-product-body strong {
    display: block;
    font-size: 1rem;
    color: var(--color-text-dark);
    line-height: 1.3;
}
.quote-product-cat {
    font-size: 0.8rem;
    color: var(--color-text-medium);
}
.quote-product-remove {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    color: var(--color-text-medium);
    transition: var(--t);
    display: flex;
    align-items: center;
    justify-content: center;
}
.quote-product-remove:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}
.quote-product-remove svg {
    width: 18px;
    height: 18px;
}

/* ===== Captcha ===== */
.captcha-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.captcha-canvas {
    width: 140px;
    height: 46px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    cursor: pointer;
    flex-shrink: 0;
    background: #f5f5f5;
}
.captcha-input {
    flex: 1;
    max-width: 180px;
    text-transform: none;
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-align: center;
    font-weight: 600;
}
.captcha-refresh {
    flex-shrink: 0;
    background: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    transition: var(--t);
}
.captcha-refresh:hover {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: rotate(180deg);
}
.captcha-refresh svg {
    width: 20px;
    height: 20px;
}
@media (max-width: 639px) {
    .captcha-canvas { width: 120px; height: 40px; }
    .captcha-input { max-width: none; }
}

/* ============================================================
   DOWNLOAD CENTER
   ============================================================ */
.download-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 32px;
}
.download-tab {
    padding: 12px 22px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-medium);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--t);
}
.download-tab:hover { color: var(--color-primary); }
.download-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.download-toolbar {
    display: flex;
    gap: 14px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.download-toolbar input,
.download-toolbar select {
    padding: 11px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    background: #fff;
    flex: 1;
    min-width: 200px;
    transition: var(--t);
}
.download-toolbar input:focus,
.download-toolbar select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.download-table {
    width: 100%;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    border-collapse: collapse;
}
.download-table th,
.download-table td {
    padding: 16px 18px;
    text-align: left;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-border-light);
}
.download-table th {
    background: var(--color-bg-soft);
    color: var(--color-text-dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
}
.download-table tr:last-child td { border-bottom: 0; }
.download-table tr:hover td { background: var(--color-primary-soft); }
.download-table .file-name { font-weight: 600; color: var(--color-text-dark); }
.download-table .badge {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
}
.download-table .btn { padding: 8px 16px; font-size: 0.78rem; }

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */
.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    align-items: start;
}
.products-sidebar {
    background: linear-gradient(180deg, #6fb1e8 0%, #a3cee9 100%);
    border-radius: var(--radius-lg);
    padding: 26px 20px;
    color: #fff;
    position: sticky;
    top: calc(var(--topbar-h) + var(--nav-h) + 20px);
}
.products-sidebar h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.cat-tree { display: flex; flex-direction: column; gap: 4px; }
.cat-tree li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    color: rgba(255,255,255,0.95);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    transition: var(--t);
}
.cat-tree li a:hover,
.cat-tree li a.active {
    background: rgba(255,255,255,0.22);
    border-left: 3px solid var(--color-primary);
    padding-left: 11px;
}
.cat-tree li .count {
    background: rgba(255,255,255,0.25);
    border-radius: var(--radius-full);
    padding: 1px 8px;
    font-size: 0.75rem;
}
.cat-children { padding-left: 16px; margin-top: 4px; }
.cat-children li a { font-size: 0.85rem; padding: 7px 14px; }

.product-detail {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-bottom: 22px;
}
.product-detail .back-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 14px;
    display: inline-block;
}
.product-detail-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 32px;
    align-items: start;
}
.gallery-main {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    background-size: cover;
    background-position: center;
    margin-bottom: 12px;
}
.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.gallery-thumbs .thumb {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    background-size: cover;
    background-position: center;
    transition: var(--t);
}
.gallery-thumbs .thumb.active,
.gallery-thumbs .thumb:hover {
    border-color: var(--color-primary);
}
.product-detail h2 { font-size: 1.6rem; margin: 8px 0 12px; }
.product-detail .short-desc { color: var(--color-text-medium); margin-bottom: 20px; }
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 14px;
}
.spec-table th,
.spec-table td {
    padding: 10px 12px;
    border: 1px solid var(--color-border-light);
    font-size: 0.9rem;
    text-align: left;
}
.spec-table th { background: var(--color-bg-soft); color: var(--color-text-dark); font-weight: 600; width: 35%; }

/* ============================================================
   TIMELINE (About page)
   ============================================================ */
.timeline {
    position: relative;
    padding: 24px 0;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}
.timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 36px;
}
.timeline-item .year {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-primary);
}
.timeline-item .text {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
}
.timeline-item .text h4 { color: var(--color-text-dark); margin-bottom: 6px; }
.timeline-item .text p { font-size: 0.92rem; margin-bottom: 0; }
.timeline-item:nth-child(even) .text { text-align: right; }
.timeline-item .dot {
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 0 0 2px var(--color-primary);
    z-index: 2;
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1.visible { transition-delay: 0.08s; }
.reveal-delay-2.visible { transition-delay: 0.16s; }
.reveal-delay-3.visible { transition-delay: 0.24s; }
.reveal-delay-4.visible { transition-delay: 0.32s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .cert-grid { grid-template-columns: repeat(3, 1fr); }
    .partner-row { grid-template-columns: repeat(3, 1fr); }
    .products-layout { grid-template-columns: 240px 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
    .hero-grid,
    .split,
    .split--reverse { grid-template-columns: 1fr; }
    .split--reverse { direction: ltr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .form-row { grid-template-columns: 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; }
    .dock { display: none; }
    .nav-menu {
        position: fixed;
        top: calc(var(--topbar-h) + var(--nav-h));
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px 0;
        border-top: 1px solid var(--color-border-light);
        box-shadow: var(--shadow-md);
        display: none;
    }
    .nav-menu.open { display: flex; }
    .nav-link { padding: 14px 24px; }
    .nav-toggle { display: flex; }
    .topbar .container { gap: 14px; font-size: 0.76rem; }
    .topbar-item.hide-sm { display: none; }
}
@media (max-width: 600px) {
    .section { padding: 64px 0; }
    .section-title { font-size: 1.8rem; }
    .hero-title { font-size: 2.2rem; }
    .feature-grid,
    .product-grid,
    .cert-grid,
    .partner-row { grid-template-columns: 1fr; }
    .timeline::before { left: 14px; }
    .timeline-item {
        grid-template-columns: 30px 1fr;
        gap: 12px;
    }
    .timeline-item:nth-child(even) .text { text-align: left; }
    .timeline-item .text:first-child { display: none; }
    .timeline-item .text:last-child { grid-column: 2; }
    .timeline-item .year { grid-column: 2; margin-bottom: 4px; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-banner { padding: 48px 24px; }
    .cta-banner h2 { font-size: 1.8rem; }
    .products-layout { grid-template-columns: 1fr; }
    .products-sidebar { position: static; }
    .topbar-item.hide-xs { display: none; }
}


/* ============================================================
   LEGACY PRODUCT TREE (products.html) — keep JS working with new theme
   ============================================================ */
.product-tree-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 28px;
    align-items: start;
}
.product-tree {
    background: linear-gradient(180deg, #6fb1e8 0%, #a3cee9 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: sticky;
    top: calc(var(--topbar-h) + var(--nav-h) + 20px);
    color: #fff;
}
.product-tree-header {
    padding: 20px 22px;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid rgba(255,255,255,0.18);
    display: flex;
    align-items: center;
    gap: 8px;
}
.tree-search { padding: 14px 16px; }
.tree-search input {
    width: 100%;
    padding: 9px 12px;
    border: 0;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.95);
    font-size: 0.9rem;
}
.tree-list { padding: 6px 12px 18px; max-height: 60vh; overflow-y: auto; }
.tree-category { margin-bottom: 4px; }
.tree-category-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    color: rgba(255,255,255,0.95);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 600;
    transition: var(--t);
}
.tree-category-header:hover { background: rgba(255,255,255,0.18); }
.tree-category.active-cat .tree-category-header {
    background: rgba(255,255,255,0.25);
    border-left: 3px solid var(--color-primary);
    padding-left: 9px;
}
.tree-toggle {
    transition: transform 0.25s ease;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.7);
}
.tree-category.expanded .tree-toggle { transform: rotate(90deg); }
.tree-category-count {
    margin-left: auto;
    background: rgba(255,255,255,0.22);
    border-radius: var(--radius-full);
    padding: 1px 8px;
    font-size: 0.72rem;
}
.tree-children {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 22px;
}
.tree-category.expanded .tree-children { max-height: 600px; padding-top: 4px; padding-bottom: 4px; }
.tree-leaf {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    color: rgba(255,255,255,0.9);
    font-size: 0.86rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--t);
    margin: 2px 0;
}
.tree-leaf:hover, .tree-leaf.active {
    background: rgba(255,255,255,0.22);
    color: #fff;
}
.tree-leaf.active { border-left: 3px solid var(--color-primary); padding-left: 7px; }
.tree-leaf::before { content: "\2022"; color: var(--color-primary); font-size: 1.1rem; line-height: 1; }

.product-content { min-height: 500px; }
.pd-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--color-text-light);
    background: #fff;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
}
.pd-empty-icon { font-size: 3rem; margin-bottom: 14px; }
.cat-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 32px 36px;
    border-radius: var(--radius-md);
    margin-bottom: 28px;
}
.cat-banner h2 { color: #fff; margin-bottom: 8px; }
.cat-banner p { color: rgba(255,255,255,0.9); margin: 0; }
.cat-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.9; margin-bottom: 8px; }

/* Legacy product card (used inside product tree grid) */
.product-card { cursor: pointer; }
.pc-image {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.pc-image img { width: 100%; height: 100%; object-fit: cover; }
.pc-emoji { font-size: 4rem; }
.pc-tag {
    position: absolute;
    top: 12px; left: 12px;
    background: var(--color-primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.pc-tag-new { background: #10b981; }
.pc-tag-best { background: var(--color-primary); }
.pc-tag-flagship { background: #1f4e8c; }
.pc-body { padding: 18px 18px 22px; }
.pc-cat {
    font-size: 0.72rem;
    text-transform: uppercase;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}
.product-card h3 { font-size: 1.02rem; margin-bottom: 6px; line-height: 1.4; }
.pc-desc { font-size: 0.88rem; color: var(--color-text-medium); margin-bottom: 12px; line-height: 1.55; }
.pc-cta {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
    transition: var(--t);
}
.product-card:hover .pc-cta { color: var(--color-primary-dark); }

/* Legacy product detail */
.pd-back-bar {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.pd-back-btn {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--t);
}
.pd-back-btn:hover { background: var(--color-primary); color: #fff; }
.pd-breadcrumb { font-size: 0.88rem; color: var(--color-text-medium); }
.pd-breadcrumb a { color: var(--color-text-medium); }
.pd-breadcrumb a:hover { color: var(--color-primary); }
.pd-breadcrumb .separator { margin: 0 8px; opacity: 0.5; }
.pd-breadcrumb .current { color: var(--color-primary); font-weight: 600; }

.pd-content {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 32px;
    margin-bottom: 36px;
}
.pd-main-image {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.pd-main-image img { width: 100%; height: 100%; object-fit: cover; }
.pd-emoji-fallback { font-size: 6rem; }
.pd-tag-badge {
    position: absolute;
    top: 16px; left: 16px;
    background: var(--color-primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}
.pd-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.pd-thumb {
    aspect-ratio: 1;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    overflow: hidden;
    transition: var(--t);
}
.pd-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumb.active, .pd-thumb:hover { border-color: var(--color-primary); }
.pd-thumb-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.85rem;
    padding: 18px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
}
.pd-info { display: flex; flex-direction: column; gap: 12px; }
.pd-category-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.06em;
}
.pd-info h2 { font-size: 1.7rem; margin: 4px 0; }
.pd-tag {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    width: fit-content;
}
.pd-short-desc { color: var(--color-text-medium); font-size: 0.98rem; margin: 6px 0 4px; }
.pd-features-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 6px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pd-features-list li {
    padding-left: 26px;
    position: relative;
    color: var(--color-text-medium);
    font-size: 0.95rem;
    line-height: 1.55;
}
.pd-features-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
}
.pd-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.pd-specs-section,
.pd-detail-section {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    margin-bottom: 20px;
}
.pd-specs-section h3,
.pd-detail-section h3 { font-size: 1.15rem; margin-bottom: 14px; }
.pd-specs-table { width: 100%; border-collapse: collapse; }
.pd-specs-table td {
    padding: 10px 12px;
    border: 1px solid var(--color-border-light);
    font-size: 0.9rem;
}
.pd-specs-table td:first-child {
    background: var(--color-bg-soft);
    color: var(--color-text-dark);
    font-weight: 600;
    width: 35%;
}
.pd-detail-text { color: var(--color-text-medium); line-height: 1.7; margin: 0; }

@media (max-width: 900px) {
    .product-tree-layout { grid-template-columns: 1fr; }
    .product-tree { position: static; }
    .pd-content { grid-template-columns: 1fr; }
}


/* ============================================================
   LEGACY DOWNLOAD CENTER (download.html) — new theme
   ============================================================ */
.download-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}
.dl-category-card {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--t);
    position: relative;
}
.dl-category-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.dl-category-card.active {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
}
.dl-category-card.active::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.dl-category-icon {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: var(--color-primary);
}
.dl-category-card h3 { font-size: 1rem; margin-bottom: 6px; }
.dl-category-card p { font-size: 0.82rem; color: var(--color-text-medium); margin: 0 0 8px; }
.dl-count {
    display: inline-block;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.74rem;
    font-weight: 600;
}
.dl-category-card.active .dl-count { background: var(--color-primary); color: #fff; }

.dl-search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.dl-search-bar input,
.dl-search-bar select {
    padding: 11px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    background: #fff;
    transition: var(--t);
}
.dl-search-bar input { flex: 1; min-width: 240px; }
.dl-search-bar input:focus,
.dl-search-bar select:focus { outline: none; border-color: var(--color-primary); }

.dl-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 24px;
}
.dl-tab {
    padding: 10px 18px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text-medium);
    background: none;
    border: 0;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: var(--t);
}
.dl-tab:hover { color: var(--color-primary); }
.dl-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.dl-table-wrap {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    overflow-x: auto;
}
.dl-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.dl-table th,
.dl-table td {
    padding: 14px 16px;
    text-align: left;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--color-border-light);
}
.dl-table th {
    background: var(--color-bg-soft);
    color: var(--color-text-dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.76rem;
    letter-spacing: 0.06em;
}
.dl-table tr:last-child td { border-bottom: 0; }
.dl-table tr:hover td { background: var(--color-primary-soft); }
.dl-file-name { display: flex; align-items: center; gap: 12px; }
.dl-file-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    flex-shrink: 0;
}
.dl-file-icon.pdf { background: #fee2e2; color: #dc2626; }
.dl-file-icon.zip,
.dl-file-icon.rar { background: #fef3c7; color: #d97706; }
.dl-file-icon.exe { background: #dbeafe; color: #2563eb; }
.dl-file-icon.video { background: #ede9fe; color: #7c3aed; }
.dl-file-type {
    background: var(--color-bg-soft);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--color-text-medium);
}
.dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--color-primary);
    color: #fff;
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: var(--t);
}
.dl-btn:hover { background: var(--color-primary-dark); }

.dl-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-light);
}
.dl-empty-icon { font-size: 2.5rem; margin-bottom: 12px; }

.dl-quick-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.dl-quick-link {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--t);
}
.dl-quick-link:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.ql-icon {
    width: 52px;
    height: 52px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}
.ql-title { font-weight: 600; color: var(--color-text-dark); margin-bottom: 2px; }
.ql-desc { font-size: 0.85rem; color: var(--color-text-medium); }

@media (max-width: 900px) {
    .download-categories { grid-template-columns: repeat(2, 1fr); }
    .dl-quick-links { grid-template-columns: 1fr; }
    .dl-hide-mobile { display: none; }
}