:root {
    --primary: #a8300f;
    --primary-dim: #982402;
    --primary-container: #ff7855;
    --on-primary: #ffefec;
    --secondary: #a0373c;
    --secondary-container: #ffc3c1;
    --tertiary: #813e9c;
    --tertiary-container: #e197fc;
    --background: #f9f6f4;
    --surface: #f9f6f4;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f3f0ee;
    --surface-container: #eae8e5;
    --surface-container-high: #e4e2e0;
    --surface-container-highest: #dfdcda;
    --on-surface: #2f2f2e;
    --on-surface-variant: #5c5b5a;
    --outline: #787775;
    --outline-variant: #afadab;
    --shadow-soft: 0 8px 24px -4px rgba(47, 47, 46, 0.06);
    --shadow-md: 0 10px 30px -8px rgba(47, 47, 46, 0.12);
    --shadow-lg: 0 24px 48px -12px rgba(168, 48, 15, 0.18);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, '微软雅黑', Arial, sans-serif;
    background: var(--background);
    color: var(--on-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
    overflow-x: hidden;
    overflow-wrap: break-word;
}
h1, h2, h3, h4, h5, h6, .font-display, .font-headline {
    font-family: 'Manrope', 'Inter', sans-serif;
    margin: 0;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; height: auto; }
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal; font-style: normal; line-height: 1;
    letter-spacing: normal; text-transform: none;
    display: inline-block; white-space: nowrap; word-wrap: normal;
    direction: ltr; -webkit-font-feature-settings: 'liga'; -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ===== Navbar ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    background: rgba(249, 246, 244, 0.78);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.navbar-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 32px; height: 80px;
    display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; color: var(--primary); }
.logo img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 4px 12px rgba(168,48,15,0.2); }
.logo-text {
    font-family: 'Manrope', sans-serif; font-weight: 900;
    font-size: 22px; letter-spacing: -0.03em; color: var(--primary);
}
.nav { display: flex; gap: 28px; }
.nav a {
    font-family: 'Manrope', sans-serif; font-weight: 500;
    color: var(--on-surface-variant);
    font-size: 14px; letter-spacing: -0.01em;
    padding: 8px 0; border-bottom: 2px solid transparent;
    transition: color .3s, border-color .3s;
    cursor: pointer;
}
.nav a:hover { color: var(--primary); }
.nav a.active { color: var(--primary); font-weight: 700; border-bottom-color: var(--primary); }
.btn {
    font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 14px;
    padding: 10px 22px; border-radius: var(--radius-sm); border: none; cursor: pointer;
    transition: transform .2s, background .3s, color .3s, box-shadow .3s;
    display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
    color: var(--on-primary);
    box-shadow: 0 6px 18px -6px rgba(168,48,15,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -6px rgba(168,48,15,0.55); }
.btn-primary.lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }
.btn-ghost { background: var(--surface-container-highest); color: var(--primary); }
.btn-ghost:hover { background: var(--surface-container-high); }
.btn-ghost.lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }
.nav-toggle { display: none; background: transparent; border: none; color: var(--on-surface); cursor: pointer; padding: 10px; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px; background: var(--surface-container-low);
    border-radius: 10px;
}
.lang-btn {
    background: transparent; border: none; cursor: pointer;
    font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 12px;
    padding: 6px 10px; min-width: 30px;
    color: var(--on-surface-variant); border-radius: 7px;
    transition: color .25s, background .25s;
}
.lang-btn:hover { color: var(--primary); }
.lang-btn.active {
    color: var(--on-primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
    box-shadow: 0 2px 6px -2px rgba(168,48,15,0.45);
}

/* ===== Hero ===== */
.hero {
    position: relative; min-height: auto; padding: 96px 32px 72px;
    display: flex; flex-direction: column; align-items: center; gap: 56px; overflow: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, #c44a28 50%, var(--primary-container) 100%);
    color: var(--on-primary);
}
.hero-bg { display: none; }
.hero-grid {
    position: relative; z-index: 1;
    max-width: 1200px; margin: 0 auto; width: 100%;
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center;
}
.hero-copy { max-width: 560px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 14px; margin-bottom: 24px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(168,48,15,0.12);
    border-radius: 999px; font-size: 13px; font-weight: 600;
    color: var(--primary); backdrop-filter: blur(8px);
}
.hero-badge img { width: 22px; height: 22px; border-radius: 6px; }
.hero h1 {
    font-weight: 800; font-size: clamp(36px, 5vw, 62px);
    line-height: 1.08; letter-spacing: -0.035em; color: var(--on-surface);
    margin-bottom: 20px;
}
.hero h1 .accent { color: var(--primary); }
.hero .sub {
    font-size: clamp(16px, 1.5vw, 18px); color: var(--on-surface-variant);
    line-height: 1.75; margin-bottom: 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; align-items: center; }
.hero-qr {
    background: #fff; border-radius: 14px; padding: 8px 10px;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}
.hero-qr img { width: 84px; height: 84px; border-radius: 6px; display: block; }
.hero-qr span { font-size: 11px; font-weight: 600; color: var(--on-surface-variant); }
.hero-stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.hero-stat {
    padding: 16px 18px; background: rgba(255,255,255,0.65);
    border: 1px solid rgba(0,0,0,0.04); border-radius: var(--radius-md);
    backdrop-filter: blur(6px);
}
.hero-stat strong {
    display: block; font-family: 'Manrope', sans-serif;
    font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.02em;
}
.hero-stat span { font-size: 13px; color: var(--on-surface-variant); }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-glow {
    position: absolute; width: 80%; height: 80%; top: 10%; left: 10%;
    background: radial-gradient(circle, rgba(255,120,85,0.35), transparent 70%);
    filter: blur(40px); z-index: 0;
}
.hero-phone {
    position: relative; z-index: 1; width: min(100%, 520px);
    border-radius: 28px; overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 6px solid rgba(255,255,255,0.85);
    animation: float 6s ease-in-out infinite;
}
.hero-phone img { width: 100%; aspect-ratio: 9/16; object-fit: cover; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ===== Hero Download Top (centered CTA) ===== */
.hero-download-top { text-align: center; max-width: 760px; margin: 0 auto; }
.hero-download-top h1 {
    color: var(--on-primary); font-size: clamp(28px, 4vw, 44px);
    font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px;
}
.hero-download-desc {
    color: var(--on-primary); opacity: 0.92;
    font-size: clamp(15px, 1.4vw, 17px); line-height: 1.7;
    margin: 0 auto 28px; max-width: 640px;
}
.hero-download-btn {
    background: #fff; color: var(--primary);
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.hero-download-btn:hover { transform: translateY(-2px); }

/* ===== Hero Showcase (left product preview + right QR) ===== */
.hero-showcase {
    display: flex; align-items: center; justify-content: center;
    gap: 40px; max-width: 920px; width: 100%;
}
.hero-showcase-img {
    width: 280px; height: 420px; border-radius: 28px;
    overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.3); flex-shrink: 0;
}
.hero-showcase-img img {
    width: 100%; height: 100%; object-fit: cover;
    object-position: center top; display: block;
}
.hero-showcase-qr {
    background: #fff; border-radius: 28px; padding: 28px 24px;
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3); flex-shrink: 0;
}
.hero-showcase-qr img {
    width: 200px; height: 200px; border-radius: 12px; display: block;
}
.hero-showcase-qr span {
    font-size: 15px; font-weight: 600; color: var(--on-surface-variant);
}
@media (max-width: 768px) {
    .hero-showcase { flex-direction: column; gap: 28px; }
    .hero-showcase-img { width: 220px; height: 340px; }
    .hero-showcase-qr { padding: 20px 18px; }
    .hero-showcase-qr img { width: 160px; height: 160px; }
}
@media (max-width: 640px) {
    .hero { padding: 72px 20px 56px; gap: 40px; }
    .hero-download-top h1 { font-size: 26px; }
    .hero-showcase-img { width: 200px; height: 320px; }
    .hero-showcase-qr { padding: 16px 14px; border-radius: 22px; }
    .hero-showcase-qr img { width: 140px; height: 140px; }
}

/* ===== Section ===== */
section { scroll-margin-top: 96px; }
.section { padding: 96px 0; }
.section.alt { background: var(--surface-container-low); }
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header.center .section-lead { margin: 0 auto; }
.section-header h2 {
    font-weight: 800; font-size: clamp(28px, 3.6vw, 44px);
    letter-spacing: -0.03em; color: var(--on-surface); margin-bottom: 12px;
}
.eyebrow {
    display: inline-block;
    font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 13px;
    letter-spacing: 0.18em; text-transform: uppercase; color: var(--primary); margin-bottom: 12px;
}
.section-lead { color: var(--on-surface-variant); font-size: 17px; max-width: 620px; line-height: 1.7; }

/* ===== Showcase ===== */
.showcase-wrap {
    display: grid; grid-template-columns: 340px 1fr; gap: 40px; align-items: stretch;
}
.showcase-tabs {
    display: flex; flex-direction: column; gap: 10px;
}
.showcase-tab {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px; border-radius: var(--radius-md);
    background: var(--surface-container-lowest);
    border: 2px solid transparent; cursor: pointer; text-align: left;
    transition: border-color .25s, box-shadow .25s, transform .25s;
}
.showcase-tab:hover { border-color: rgba(168,48,15,0.15); transform: translateX(4px); }
.showcase-tab.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-soft);
    background: #fff;
}
.showcase-tab .tab-icon {
    width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
    background: linear-gradient(135deg, rgba(168,48,15,0.08), rgba(255,120,85,0.14));
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
}
.showcase-tab .tab-icon .material-symbols-outlined { font-size: 22px; }
.showcase-tab h4 {
    font-size: 15px; font-weight: 700; margin-bottom: 2px; color: var(--on-surface);
}
.showcase-tab p { margin: 0; font-size: 12px; color: var(--on-surface-variant); line-height: 1.4; }
.showcase-preview {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    background: var(--surface-container-high);
    box-shadow: var(--shadow-md);
    min-height: 480px;
}
.showcase-preview img {
    width: 100%; height: 100%; min-height: 480px;
    object-fit: cover; object-position: center top;
    opacity: 0; transition: opacity .4s ease;
    position: absolute; inset: 0;
}
.showcase-preview img.active { opacity: 1; position: relative; }

/* ===== Core Tech Cards ===== */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card {
    position: relative; background: var(--surface-container-lowest);
    border-radius: var(--radius-lg); padding: 32px;
    display: flex; flex-direction: column;
    transition: background .3s, transform .3s, box-shadow .3s;
    overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-card .decor {
    position: absolute; top: 0; right: 0; width: 140px; height: 140px;
    border-bottom-left-radius: 100%; opacity: 0.12; transition: transform .4s;
}
.feature-card:hover .decor { transform: scale(1.12); }
.feature-card.c1 .decor { background: var(--primary-container); }
.feature-card.c2 .decor { background: var(--tertiary-container); }
.feature-card.c3 .decor { background: var(--secondary-container); }
.feature-card .ficon {
    width: 56px; height: 56px; border-radius: var(--radius-md);
    background: var(--surface-container-low);
    display: flex; align-items: center; justify-content: center; margin-bottom: 24px;
}
.feature-card.c1 .ficon { color: var(--primary); }
.feature-card.c2 .ficon { color: var(--tertiary); }
.feature-card.c3 .ficon { color: var(--secondary); }
.feature-card .ficon .material-symbols-outlined { font-size: 28px; }
.feature-card h3 { font-weight: 800; font-size: 22px; letter-spacing: -0.02em; margin-bottom: 12px; }
.feature-card p { color: var(--on-surface-variant); margin: 0 0 28px; flex: 1; font-size: 15px; line-height: 1.7; }
.feature-card .learn {
    font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 14px;
    display: inline-flex; align-items: center; gap: 4px; transition: gap .25s;
}
.feature-card.c1 .learn { color: var(--primary); }
.feature-card.c2 .learn { color: var(--tertiary); }
.feature-card.c3 .learn { color: var(--secondary); }
.feature-card .learn:hover { gap: 10px; }

/* ===== Products ===== */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
    background: var(--surface-container-lowest); border-radius: 20px;
    overflow: hidden; transition: transform .3s, box-shadow .3s;
    border: 1px solid rgba(0,0,0,0.04);
    display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.product-card.has-thumb .product-body { padding: 22px 22px 26px; }
.product-thumb {
    aspect-ratio: 16/10; overflow: hidden; background: var(--surface-container);
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .5s; }
.product-card:hover .product-thumb img { transform: scale(1.04); }
.product-body { padding: 26px 22px; flex: 1; display: flex; flex-direction: column; }
.product-card .picon {
    width: 44px; height: 44px; border-radius: 12px;
    background: linear-gradient(135deg, rgba(168,48,15,0.08), rgba(255,120,85,0.12));
    color: var(--primary);
    display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.product-card .picon .material-symbols-outlined { font-size: 24px; }
.product-card h4 { font-weight: 700; font-size: 17px; letter-spacing: -0.015em; margin-bottom: 8px; }
.product-card p { color: var(--on-surface-variant); font-size: 14px; margin: 0; line-height: 1.65; flex: 1; }

/* ===== Corporate ===== */
.corp-split { display: flex; gap: 64px; align-items: center; flex-wrap: wrap; }
.corp-visual { flex: 1; min-width: 300px; position: relative; }
.corp-visual .frame {
    position: absolute; inset: -16px; background: var(--surface-container-high);
    border-radius: var(--radius-lg); transform: translate(16px, 16px); z-index: 0;
}
.corp-visual .pic {
    position: relative; z-index: 1; border-radius: var(--radius-lg); overflow: hidden;
    aspect-ratio: 4/3; box-shadow: var(--shadow-soft);
}
.corp-visual .pic img { width: 100%; height: 100%; object-fit: cover; }
.corp-text { flex: 1; min-width: 300px; }
.corp-text h2 {
    font-weight: 800; font-size: clamp(28px, 3.4vw, 40px);
    letter-spacing: -0.03em; margin-bottom: 20px;
}
.corp-text p { font-size: 17px; color: var(--on-surface-variant); line-height: 1.8; margin-bottom: 24px; }
.corp-tag { display: inline-flex; align-items: center; gap: 14px; }
.corp-tag .circle {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--surface-container-high); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
}
.corp-tag .label { font-family: 'Manrope', sans-serif; font-weight: 700; }

/* ===== About ===== */
.about-intro {
    max-width: 900px; margin: 0 auto 52px;
    text-align: center;
}
.about-intro p {
    font-size: 17px; line-height: 2; color: var(--on-surface-variant); margin: 0;
}
.about-values {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    margin-bottom: 52px;
}
.value-card {
    background: var(--surface-container-lowest);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(168,48,15,0.12); }
.value-card .vicon {
    width: 48px; height: 48px; border-radius: 14px;
    background: linear-gradient(135deg, rgba(168,48,15,0.08), rgba(255,120,85,0.14));
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.value-card .vicon .material-symbols-outlined { font-size: 24px; }
.value-card h4 {
    font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 17px;
    letter-spacing: -0.015em; margin-bottom: 8px; color: var(--on-surface);
}
.value-card p { color: var(--on-surface-variant); font-size: 14px; line-height: 1.7; margin: 0; }
.about-mission {
    position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, #c44a28 50%, var(--primary-container) 100%);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    text-align: center; color: var(--on-primary);
    box-shadow: var(--shadow-lg);
}
.about-mission .mission-quote {
    display: block;
    font-family: 'Manrope', serif; font-size: 76px; line-height: 0.55; font-weight: 900;
    opacity: 0.35; margin-bottom: 14px;
}
.about-mission .mission-text {
    font-family: 'Manrope', sans-serif;
    font-size: clamp(22px, 3vw, 30px); font-weight: 800;
    letter-spacing: -0.02em; margin: 0 0 14px;
}
.about-mission .mission-sub {
    margin: 0 auto; max-width: 660px;
    font-size: 16px; line-height: 1.8; opacity: 0.92;
}

/* ===== Download CTA ===== */
.download-band {
    background: linear-gradient(135deg, var(--primary) 0%, #c44a28 50%, var(--primary-container) 100%);
    border-radius: var(--radius-lg); padding: 48px 56px;
    display: flex; align-items: center; justify-content: space-between; gap: 32px;
    color: var(--on-primary); box-shadow: var(--shadow-lg);
}
.download-band h3 {
    font-size: clamp(24px, 3vw, 32px); font-weight: 800;
    letter-spacing: -0.03em; margin-bottom: 10px;
}
.download-band p { margin: 0; opacity: 0.92; font-size: 16px; max-width: 520px; line-height: 1.6; }
.download-band .btn {
    background: #fff; color: var(--primary); flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.download-band .btn:hover { transform: translateY(-2px); }
.download-info { flex: 1; min-width: 0; }
.download-info .btn { margin-top: 8px; }
.download-qr {
    background: #fff; border-radius: 20px; padding: 16px;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    flex-shrink: 0; box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.download-qr img { width: 160px; height: 160px; border-radius: 8px; display: block; }
.download-qr span { font-size: 13px; font-weight: 600; color: var(--on-surface-variant); }

/* ===== Contact ===== */
.contact-card {
    background: var(--surface-container-lowest); border-radius: var(--radius-lg);
    padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
    box-shadow: var(--shadow-soft);
}
.contact-card .map-box { min-height: 320px; border-radius: 18px; overflow: hidden; background: var(--surface-container-high); }
.contact-info { display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item .material-symbols-outlined { color: var(--primary); font-size: 24px; margin-top: 2px; }
.contact-item h5 { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.contact-item p { margin: 0; color: var(--on-surface-variant); font-size: 15px; line-height: 1.6; }

/* ===== Footer ===== */
.footer { background: var(--surface-container-low); padding: 64px 0 24px; }
.footer-top {
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center;
    padding-bottom: 32px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand .row { display: flex; align-items: center; gap: 10px; }
.footer-brand .row img { width: 32px; height: 32px; border-radius: 8px; }
.footer-brand .row span.name { font-family: 'Manrope', sans-serif; font-weight: 900; font-size: 18px; }
.footer-brand p { color: var(--on-surface-variant); font-size: 14px; margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px 28px; justify-content: flex-end; }
.footer-links a {
    font-size: 14px; color: var(--on-surface-variant);
    text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px;
    transition: color .25s;
}
.footer-links a:hover { color: var(--primary); }
.footer-bar {
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-top: 24px; text-align: center;
    color: var(--outline); font-size: 13px;
}
.footer-bar a { color: var(--on-surface-variant); margin: 0 8px; }
.footer-bar a:hover { color: var(--primary); }

/* ===== Responsive ===== */
@media (max-width: 1280px) {
    .about-values { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-copy { max-width: 680px; margin: 0 auto; }
    .hero-cta { justify-content: center; }
    .hero-stats { max-width: 480px; margin: 0 auto; }
    .hero-visual { order: -1; }
    .hero-phone { width: min(100%, 380px); }
    .showcase-wrap { grid-template-columns: 1fr; }
    .showcase-tabs {
        flex-direction: row; overflow-x: auto; padding-bottom: 8px;
        scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
    }
    .showcase-tab { min-width: 240px; scroll-snap-align: start; flex-shrink: 0; }
    .showcase-tab:hover { transform: none; }
    .download-band { flex-direction: column; text-align: center; padding: 36px 28px; }
    .about-values { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
    .bento { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-card { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-links { justify-content: flex-start; }
    .section { padding: 72px 0; }
}
@media (max-width: 768px) {
    .navbar-inner { padding: 0 20px; height: 64px; }
    .logo-text { font-size: 18px; }
    .nav {
        display: none; position: absolute; top: 64px; left: 0; right: 0;
        background: var(--background); flex-direction: column; gap: 0;
        padding: 8px 20px 16px; border-bottom: 1px solid rgba(0,0,0,0.06);
    }
    .nav.open { display: flex; }
    .nav a { padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05); }
    .nav a.active { border-bottom-color: rgba(0,0,0,0.05); }
    .nav-cta { display: none; }
    .nav-toggle { display: inline-flex; }
}
@media (max-width: 640px) {
    .container { padding: 0 20px; }
    .hero { padding: 100px 20px 60px; min-height: auto; }
    .hero-stats { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .corp-split { gap: 32px; }
    .contact-card { padding: 20px; gap: 24px; }
    .showcase-preview, .showcase-preview img { min-height: 320px; }
    .about-values { grid-template-columns: 1fr; }
    .about-intro { margin-bottom: 36px; }
    .about-mission { padding: 44px 24px; }
}