/* VMotion storefront - modern, light, tech-leaning urban mobility */
:root {
  --ink: #0b1a16;
  --ink-2: #102720;
  --accent: #12d992;
  --accent-dark: #0a9e6b;
  --accent-soft: #a8f7d6;
  --paper: #ffffff;
  --bg: #f5f8f6;
  --tint: #eef4f1;
  --muted: #5c6f68;
  --line: #dce7e1;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 18px 44px rgba(11, 26, 22, .08);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -.025em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.8rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.container { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--accent); color: var(--ink); padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--accent-dark); outline-offset: 3px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 26px; border-radius: 999px; border: 1px solid transparent; font-weight: 650; font-size: .95rem; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: var(--ink); box-shadow: 0 10px 26px rgba(18, 217, 146, .28); }
.btn--primary:hover { background: #2ee7a5; }
.btn--ghost { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); }
.btn--outline { border-color: var(--line); background: var(--paper); color: var(--ink); }
.btn--outline:hover { border-color: var(--accent-dark); }
.btn--light { background: #fff; color: var(--ink); }
.btn--sm { padding: 9px 18px; font-size: .85rem; }
.btn--wide { width: 100%; margin-top: 1.4rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .72rem; font-weight: 700; color: var(--accent-dark); margin-bottom: 14px; }
.eyebrow--light { color: var(--accent-soft); }
.link-arrow { color: var(--accent-dark); font-weight: 650; font-size: .9rem; }
.link-arrow span { transition: transform .2s ease; display: inline-block; }
.link-arrow:hover span { transform: translateX(4px); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(220, 231, 225, .8); transition: box-shadow .2s ease; }
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(11, 26, 22, .07); }
.header-inner { display: flex; align-items: center; gap: 28px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; letter-spacing: -.03em; }
.brand img { width: 34px; height: 34px; }
.brand--light { color: #fff; }
.primary-nav { display: flex; gap: 26px; margin-left: auto; }
.primary-nav a { font-size: .92rem; font-weight: 550; color: #31443d; padding: 8px 0; position: relative; }
.primary-nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--accent-dark); transform: scaleX(0); transition: transform .2s ease; }
.primary-nav a:hover::after, .primary-nav a.is-active::after { transform: scaleX(1); }
.primary-nav a.is-active { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch { border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 999px; padding: 8px 12px; font: inherit; font-size: .82rem; font-weight: 650; cursor: pointer; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: transform .2s ease; }

/* Hero */
.hero { background: radial-gradient(circle at 78% 25%, #164836 0%, var(--ink) 52%, #07120f 100%); color: #fff; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 40px; align-items: center; min-height: 640px; padding-block: 72px; }
.hero-copy h1 { max-width: 12ch; }
.hero-lead { color: #b9cdc5; font-size: 1.08rem; max-width: 52ch; margin-top: 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-stats { display: flex; gap: 36px; margin: 56px 0 0; flex-wrap: wrap; }
.hero-stats dt { font-size: 1.7rem; font-weight: 750; color: var(--accent); letter-spacing: -.04em; }
.hero-stats dd { margin: 2px 0 0; font-size: .8rem; color: #90a9a0; text-transform: uppercase; letter-spacing: .1em; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; height: auto; border-radius: 28px; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .35)); }
.hero-orbit { position: absolute; width: 260px; height: 260px; border: 1px solid rgba(18, 217, 146, .25); border-radius: 50%; right: -60px; bottom: -60px; pointer-events: none; }

/* Sections */
.section { padding: 96px 0; }
.section--tint { background: var(--tint); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head--row { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; }
.section-lead { color: var(--muted); font-size: 1.05rem; margin-top: 16px; }
.section-head h2 { margin-bottom: 0; }

/* Category cards */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.category-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; display: flex; flex-direction: column; }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.category-card__media { background: #e7f3ed; aspect-ratio: 16 / 10; overflow: hidden; }
.category-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.category-card:hover img { transform: scale(1.05); }
.category-card__body { padding: 26px; position: relative; flex: 1; display: flex; flex-direction: column; }
.category-index { position: absolute; top: 24px; right: 26px; font-size: .78rem; font-weight: 700; color: var(--accent-dark); letter-spacing: .1em; }
.category-card h3 { margin-bottom: 12px; padding-right: 40px; }
.category-card .muted { font-size: .92rem; flex: 1; }

/* Product grid */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card__media { display: block; position: relative; aspect-ratio: 16 / 10; background: #e9f4ee; overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.product-card:hover .product-card__media img { transform: scale(1.06); }
.badge { position: absolute; left: 16px; top: 16px; background: var(--accent); color: var(--ink); font-size: .7rem; font-weight: 750; padding: 6px 12px; border-radius: 999px; letter-spacing: .06em; }
.product-card__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.product-card__body h3 { margin-bottom: 10px; font-size: 1.12rem; }
.product-card__body .muted { font-size: .92rem; flex: 1; }
.product-card__body .eyebrow { margin-bottom: 8px; }

/* Why grid */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-grid--three { grid-template-columns: repeat(3, 1fr); }
.why-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; }
.why-card__num { display: inline-block; font-size: .78rem; font-weight: 750; color: var(--accent-dark); letter-spacing: .12em; margin-bottom: 22px; }
.why-card h3 { margin-bottom: 12px; font-size: 1.08rem; }
.why-card .muted { font-size: .9rem; margin: 0; }

/* CTA */
.cta-band { background: linear-gradient(110deg, #0f6e4f, #0b1a16 72%); color: #fff; padding: 68px 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.cta-inner h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); max-width: 18ch; }
.cta-inner p { color: #b9d8cc; margin: 12px 0 0; }

/* Page hero */
.page-hero { background: radial-gradient(circle at 85% 20%, #17543b, var(--ink) 60%); color: #fff; padding: 88px 0 96px; }
.page-hero--compact { padding: 64px 0 72px; }
.page-hero h1 { font-size: clamp(2.2rem, 4.4vw, 3.4rem); }
.page-hero p:last-child { color: #b9cdc5; max-width: 60ch; margin: 16px 0 0; font-size: 1.05rem; }

/* Split / about */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-visual img { border-radius: var(--radius); width: 100%; box-shadow: var(--shadow); }
.split-copy h2 { margin-bottom: 20px; }
.long-text { white-space: pre-line; color: #3e554c; font-size: 1.02rem; }
.capability { text-align: center; max-width: 860px; }
.capability__text { color: var(--muted); font-size: 1.05rem; margin: 18px 0 30px; }

/* Product listing filters */
.filter-bar { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); font-size: .88rem; font-weight: 600; transition: all .2s ease; }
.chip:hover { border-color: var(--accent-dark); }
.chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.search-form { display: flex; gap: 8px; }
.search-form input { border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; font: inherit; font-size: .9rem; min-width: 220px; background: var(--paper); }
.result-count { color: var(--muted); font-size: .88rem; margin: 24px 0; }
.product-page { padding-top: 48px; }
.breadcrumb { display: flex; gap: 10px; color: var(--muted); font-size: .85rem; margin-bottom: 32px; }
.breadcrumb a:hover { color: var(--accent-dark); }
.product-detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.gallery__main { background: #e9f4ee; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; }
.gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.thumb { width: 92px; height: 72px; padding: 0; border: 2px solid transparent; border-radius: 10px; overflow: hidden; background: none; cursor: pointer; }
.thumb.is-active { border-color: var(--accent-dark); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-info h1 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); margin-bottom: 16px; }
.product-info__summary { color: var(--muted); font-size: 1.05rem; }
.quick-facts { display: flex; gap: 36px; margin: 28px 0; padding: 20px 0; border-block: 1px solid var(--line); }
.quick-facts dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.quick-facts dd { margin: 4px 0 0; font-weight: 700; font-size: 1.1rem; }
.product-info__h2 { font-size: 1.15rem; margin-bottom: 14px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.spec-table th, .spec-table td { text-align: left; padding: 11px 0; border-bottom: 1px solid var(--line); }
.spec-table th { color: var(--muted); font-weight: 550; width: 42%; }
.product-description { margin-top: 72px; max-width: 820px; }
.product-description h2 { font-size: 1.6rem; margin-bottom: 20px; }
.related { margin-top: 88px; }
.related h2 { font-size: 1.7rem; margin-bottom: 28px; }
.empty-state { padding: 70px; text-align: center; color: var(--muted); background: var(--paper); border-radius: var(--radius); border: 1px dashed var(--line); }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 44px; }
.pagination a { padding: 9px 15px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); font-size: .9rem; }
.pagination a.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Contact + inquiry form */
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.contact-details { background: var(--ink); color: #fff; border-radius: var(--radius); padding: 40px; }
.contact-details h2 { font-size: 1.5rem; margin-bottom: 30px; }
.contact-item { margin-bottom: 24px; }
.contact-item span { display: block; font-size: .73rem; text-transform: uppercase; letter-spacing: .14em; color: var(--accent-soft); margin-bottom: 6px; }
.contact-item p { margin: 0; color: #dce9e3; font-size: .95rem; }
.contact-item a:hover { color: var(--accent); }
.contact-note { border-top: 1px solid rgba(255, 255, 255, .15); padding-top: 22px; margin-top: 34px; font-size: .78rem; color: #8faa9f; letter-spacing: .08em; }
.inquiry-panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.inquiry-panel h2 { font-size: 1.6rem; margin-bottom: 8px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-top: 18px; }
.field label { display: block; font-size: .85rem; font-weight: 650; margin-bottom: 7px; }
.field input[type='text'], .field input[type='email'], .field input[type='tel'], .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fbfdfc;
  padding: 12px 14px; font: inherit; font-size: .93rem; color: var(--ink); resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent-dark); outline: 2px solid rgba(18, 217, 146, .2); }
.field--check label { display: flex; align-items: center; gap: 9px; font-weight: 500; }
.field--check input { width: 17px; height: 17px; accent-color: var(--accent-dark); }
.field-error { display: block; color: #b3261e; font-size: .8rem; margin-top: 6px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 18px 20px; border-radius: var(--radius-sm); margin: 22px 0; font-size: .92rem; }
.alert--success { background: #e6f8ef; border: 1px solid #a9e5c7; color: #0b5c3b; }
.alert--error { background: #fdeceb; border: 1px solid #f3bdb9; color: #8c1d18; }
.alert code { font-weight: 700; }
.empty-page { text-align: center; padding: 130px 0; }
.empty-page .section-lead { margin: 16px auto 30px; }

/* Footer */
.site-footer { background: #08130f; color: #d9e6e0; padding: 72px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand p { color: #8fa79d; font-size: .92rem; max-width: 32ch; margin-top: 18px; }
.footer-small { color: #6f8b80; font-size: .78rem; letter-spacing: .06em; }
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col h3 { font-size: .82rem; text-transform: uppercase; letter-spacing: .14em; color: #fff; margin-bottom: 8px; }
.footer-col a, .footer-col span { font-size: .9rem; color: #8fa79d; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 54px; padding-top: 22px; font-size: .8rem; color: #6f8b80; }
.footer-langs { display: flex; gap: 14px; }

@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .category-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .split { gap: 36px; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; order: 3; }
  .header-inner { flex-wrap: wrap; min-height: 68px; }
  .primary-nav { order: 4; width: 100%; margin-left: 0; display: none; flex-direction: column; gap: 4px; padding-bottom: 18px; }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 10px 0; }
  .header-actions { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; min-height: 0; padding-block: 56px; }
  .hero-visual { order: -1; max-width: 560px; }
  .hero-stats { margin-top: 36px; }
  .product-detail, .contact-grid, .split { grid-template-columns: 1fr; gap: 36px; }
  .section { padding: 68px 0; }
  .section-head--row, .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .container { width: min(100% - 32px, 1200px); }
  .product-grid, .category-grid, .why-grid, .why-grid--three, .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .inquiry-panel, .contact-details { padding: 26px; }
  .hero-stats { gap: 22px; }
  .hero-stats dt { font-size: 1.35rem; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-form input { min-width: 0; flex: 1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}