/* ===== Design Tokens ===== */
:root {
    --color-bg: #060d18;
    --color-bg-elevated: #0c1829;
    --color-bg-card: rgba(12, 24, 41, 0.72);
    --color-primary: #002147;
    --color-accent: #00d4ff;
    --color-accent-warm: #ff6800;
    --color-accent-gold: #f0c040;
    --color-text: #e8edf5;
    --color-text-muted: #8b9cb8;
    --color-border: rgba(0, 212, 255, 0.15);
    --color-glow: rgba(0, 212, 255, 0.35);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
    --header-h: 72px;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-w: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-warm); }

img, video { max-width: 100%; height: auto; display: block; }

.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 9999;
    padding: 10px 16px;
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: 6px;
    font-weight: 600;
}
.skip-link:focus { top: 16px; }

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(6, 13, 24, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
    background: rgba(6, 13, 24, 0.95);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    height: 100%;
    padding: 0 max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left));
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}
.logo img { height: 38px; width: auto; }

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: rgba(0, 212, 255, 0.05);
    color: var(--color-text);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.nav-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.nav-toggle-icon {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
    transition: transform var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
    box-shadow: none;
    transform: rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
    content: "";
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    transform: rotate(-90deg);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}
.main-nav a {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 8px 14px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
    -webkit-tap-highlight-color: transparent;
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.08);
}
.main-nav a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.header-actions { display: flex; gap: 10px; flex-shrink: 0; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 20px;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    -webkit-tap-highlight-color: transparent;
}
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn:active { transform: scale(0.98); }

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-warm), #ff8c42);
    color: #fff;
    box-shadow: 0 4px 20px rgba(255, 104, 0, 0.35);
}
.btn-primary:hover {
    box-shadow: 0 6px 28px rgba(255, 104, 0, 0.5);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.06);
}

.btn-ghost {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(0, 212, 255, 0.3);
}
.btn-ghost:hover {
    background: rgba(0, 212, 255, 0.18);
    color: var(--color-accent);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: var(--header-h);
}
.hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-media video,
.hero-media .hero-poster {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}
.hero-poster { display: none; }
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(6, 13, 24, 0.55) 0%, rgba(6, 13, 24, 0.85) 100%),
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
    z-index: 1;
}
.hero-grid {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 80%);
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px max(20px, env(safe-area-inset-right)) 40px max(20px, env(safe-area-inset-left));
    max-width: 960px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    margin-bottom: 24px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 100px;
    letter-spacing: 0.05em;
}
.hero-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}
.hero h1 {
    font-size: clamp(1.75rem, 5vw + 0.5rem, 3.25rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 20px;
    background: linear-gradient(135deg, #fff 0%, var(--color-accent) 50%, #fff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 8s linear infinite;
}
@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}
.hero-subtitle {
    font-size: clamp(1rem, 2.5vw + 0.25rem, 1.375rem);
    color: var(--color-text-muted);
    margin: 0 0 36px;
    line-height: 1.6;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    animation: bounce 2s ease-in-out infinite;
}
.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-accent), transparent);
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Page Banner (inner pages) ===== */
.page-banner {
    position: relative;
    padding: calc(var(--header-h) + 60px) 20px 60px;
    text-align: center;
    overflow: hidden;
    background: var(--color-bg-elevated);
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 50% 0%, rgba(0, 212, 255, 0.15) 0%, transparent 60%),
        linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
    background-size: auto, 40px 40px, 40px 40px;
}
.page-banner-inner { position: relative; max-width: var(--max-w); margin: 0 auto; }
.page-banner h1 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin: 0 0 12px;
    font-weight: 700;
}
.page-banner p {
    color: var(--color-text-muted);
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin: 0;
    max-width: 640px;
    margin-inline: auto;
}

/* ===== Sections ===== */
main { flex: 1; }
.section {
    padding: 80px max(20px, env(safe-area-inset-right)) 80px max(20px, env(safe-area-inset-left));
}
.section-alt { background: var(--color-bg-elevated); }
.section-inner { max-width: var(--max-w); margin: 0 auto; }

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 700;
    margin: 0 0 16px;
}
.section-desc {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    max-width: 640px;
    margin: 0 auto;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: -40px;
    position: relative;
    z-index: 3;
    padding: 0 max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left));
    max-width: var(--max-w);
    margin-left: auto;
    margin-right: auto;
}
.stat-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: transform var(--transition), border-color var(--transition);
}
.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.35);
}
.stat-value {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 4px;
}
.stat-label {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.1);
}
.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 33, 71, 0.5));
    border-radius: 12px;
    font-size: 1.5rem;
}
.feature-card h3 {
    font-size: 1.125rem;
    margin: 0 0 10px;
    color: var(--color-text);
}
.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.65;
}

/* Product Cards */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 255, 0.08);
}
.product-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg);
}
.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.product-card:hover .product-card-image img { transform: scale(1.05); }
.product-card-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255, 104, 0, 0.9);
    color: #fff;
    border-radius: 100px;
}
.product-card-body { padding: 28px; }
.product-card-body h3 {
    font-size: 1.375rem;
    margin: 0 0 8px;
}
.product-card-body .product-series {
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.product-card-body p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin: 0 0 20px;
    line-height: 1.65;
}

/* Honors */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.honor-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}
.honor-item:hover {
    transform: scale(1.03);
    border-color: rgba(0, 212, 255, 0.35);
}
.honor-item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.honor-item figcaption {
    padding: 12px 14px;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    line-height: 1.4;
}

/* News */
.news-list { display: flex; flex-direction: column; gap: 24px; }
.news-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 28px;
    align-items: start;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color var(--transition);
}
.news-card:hover { border-color: rgba(0, 212, 255, 0.35); }
.news-date {
    text-align: center;
    padding: 12px;
    background: rgba(0, 212, 255, 0.08);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}
.news-date .day {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}
.news-date .month {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}
.news-card h3 {
    font-size: 1.25rem;
    margin: 0 0 10px;
}
.news-card p {
    color: var(--color-text-muted);
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.65;
}
.news-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-warm);
    background: rgba(255, 104, 0, 0.12);
    border-radius: 100px;
    margin-bottom: 10px;
}

/* Content blocks */
.content-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    margin-bottom: 32px;
}
.content-block h2 {
    font-size: 1.375rem;
    margin: 0 0 16px;
    color: var(--color-accent);
}
.content-block p {
    color: var(--color-text-muted);
    margin: 0 0 12px;
    line-height: 1.75;
}
.content-block p:last-child { margin-bottom: 0; }
.content-figure {
    margin: 32px 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
}
.content-figure img { width: 100%; }
.content-figure figcaption {
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    background: rgba(0, 0, 0, 0.2);
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
}
.two-col-images {
    display: grid;
    gap: 16px;
}
.two-col-images img {
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

/* Shop */
.shop-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.shop-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.shop-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}
.shop-item img { width: 100%; }
.shop-item-body {
    padding: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}
.shop-item-body h3 { margin: 0; font-size: 1.125rem; flex: 1 1 100%; }

/* CTA */
.cta-section {
    text-align: center;
    padding: 80px 20px;
    background:
        radial-gradient(ellipse 60% 80% at 50% 100%, rgba(0, 212, 255, 0.12) 0%, transparent 60%),
        var(--color-bg-elevated);
}
.cta-section h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 16px;
}
.cta-section p {
    color: var(--color-text-muted);
    margin: 0 0 32px;
    max-width: 520px;
    margin-inline: auto;
}

/* Partners strip */
.partners-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 40px 20px;
    opacity: 0.85;
}
.partners-strip img {
    height: 48px;
    width: auto;
    filter: brightness(0) invert(1) opacity(0.7);
    transition: opacity var(--transition);
}
.partners-strip img:hover { opacity: 1; filter: brightness(0) invert(1); }

/* ===== Footer ===== */
.site-footer {
    background: #040a12;
    border-top: 1px solid var(--color-border);
    padding: 48px max(20px, env(safe-area-inset-right)) max(32px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
}
.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1.2fr 1fr 1fr;
    gap: 40px;
}
.footer-brand img { height: 36px; margin-bottom: 16px; }
.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.65;
    margin: 0;
}
.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 16px;
    letter-spacing: 0.05em;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
    max-width: var(--max-w);
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    line-height: 1.6;
}
.footer-bottom a { color: var(--color-text-muted); }
.footer-bottom a:hover { color: var(--color-accent); }

/* Social / 微信抖音等平台 */
.social-links ul { list-style: none; padding: 0; margin: 0; }
.social-links li {
    margin-bottom: 12px;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}
.social-links strong { color: var(--color-accent); font-weight: 600; }
.social-label { color: var(--color-text-muted); }
.social-hint {
    display: block;
    font-size: 0.75rem;
    color: rgba(139, 156, 184, 0.75);
    margin-top: 2px;
}
.social-copy-tip {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 12px 0 0;
    line-height: 1.5;
}
.btn-copy-link { margin-top: 8px; }
.inapp-share-tip {
    position: fixed;
    bottom: max(20px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    z-index: 1500;
    max-width: min(340px, calc(100vw - 32px));
    padding: 12px 18px;
    background: rgba(12, 24, 41, 0.96);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    transition: transform 0.4s ease, opacity 0.4s ease;
    opacity: 0;
    pointer-events: none;
}
.inapp-share-tip.is-visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}
.inapp-share-tip strong { color: var(--color-accent); }
.platform-guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.platform-guide-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
}
.platform-guide-card .platform-icon { font-size: 2rem; margin-bottom: 12px; }
.platform-guide-card h3 { font-size: 1rem; margin: 0 0 8px; }
.platform-guide-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.55;
}
@media (max-width: 768px) {
    .platform-guide-grid { grid-template-columns: 1fr; }
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}
.modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}
.modal {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    max-width: 480px;
    width: 100%;
    transform: translateY(20px) scale(0.96);
    transition: transform var(--transition);
    position: relative;
}
.modal-overlay.is-open .modal {
    transform: translateY(0) scale(1);
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-muted);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: rgba(255, 255, 255, 0.12); color: var(--color-text); }
.modal h2 {
    font-size: 1.375rem;
    margin: 0 0 8px;
}
.modal > p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin: 0 0 24px;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    transition: border-color var(--transition);
}
.contact-item:hover { border-color: rgba(0, 212, 255, 0.35); }
.contact-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.12);
    border-radius: 10px;
    font-size: 1.125rem;
    flex-shrink: 0;
}
.contact-item-text strong {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}
.contact-item-text a,
.contact-item-text span {
    color: var(--color-text);
    font-size: 0.9375rem;
}

/* ===== Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .hero h1 { animation: none; -webkit-text-fill-color: #fff; }
    .hero-badge::before { animation: none; }
    .hero-scroll { animation: none; }
    .reveal { opacity: 1; transform: none; }
    .hero-media video { display: none; }
    .hero-poster { display: block; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .honors-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 16px 20px 40px;
        background: rgba(6, 13, 24, 0.98);
        backdrop-filter: blur(20px);
        gap: 4px;
        transform: translateX(100%);
        transition: transform var(--transition);
        overflow-y: auto;
    }
    .main-nav.is-open { transform: translateX(0); }
    .main-nav a {
        padding: 16px;
        font-size: 1rem;
        border-radius: var(--radius);
    }
    .header-actions { display: none; }
    .main-nav .mobile-cta {
        display: block;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid var(--color-border);
    }
    .main-nav .mobile-cta .btn { width: 100%; }
}

@media (max-width: 768px) {
    .section { padding: 60px 20px; }
    .stats-grid {
        grid-template-columns: 1fr;
        margin-top: -24px;
        gap: 16px;
    }
    .products-grid,
    .shop-grid,
    .two-col { grid-template-columns: 1fr; }
    .news-card { grid-template-columns: 1fr; gap: 16px; }
    .news-date { display: flex; gap: 12px; align-items: center; justify-content: center; }
    .news-date .day { font-size: 1.25rem; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .hero { min-height: 85vh; }
    .content-block { padding: 24px; }
}

@media (max-width: 480px) {
    :root { --header-h: 64px; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    .features-grid { grid-template-columns: 1fr; }
    .honors-grid { grid-template-columns: 1fr; }
}

@media (min-width: 901px) {
    .main-nav .mobile-cta { display: none; }
}