/* ─── RESET & BASE ─── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --bg: #f1f4ff;
    --gold: #b8982a;
    --gold-light: #d4af37;
    --dark: #1a1a1a;
    --mid: #4a4a4a;
    --muted: #6b6b6b;
    --white: #ffffff;
    --card-bg: #ffffff;
    --border: #e0e4f0;
    --accent: #2c3e7a;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(44,62,122,0.10);
    --shadow-hover: 0 8px 40px rgba(44,62,122,0.16);
    --max-w: 1200px;
    --font: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
  }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--dark);
    line-height: 1.6;
    font-size: 16px;
  }
  img { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration: none; }

  /* ─── LAYOUT HELPERS ─── */
  .container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
  .section { padding: 72px 0; }
  .section--tight { padding: 48px 0; }

  /* ─── NAV ─── */
  .nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(241,244,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
  }
  .nav__inner {
    max-width: var(--max-w); margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
  }
  .nav__logo {
    font-size: 18px; font-weight: 800; letter-spacing: 0.08em;
    color: var(--dark); text-transform: uppercase;
  }
  .nav__logo span { color: var(--gold); }
  .nav__links { display: flex; gap: 28px; }
  .nav__links a {
    font-size: 13px; font-weight: 600; color: var(--mid);
    letter-spacing: 0.04em; text-transform: uppercase;
    transition: color .2s;
  }
  .nav__links a:hover { color: var(--gold); }
  .nav__cta {
    background: var(--dark); color: var(--white);
    padding: 9px 20px; border-radius: 8px;
    font-size: 13px; font-weight: 700; letter-spacing: 0.04em;
    text-transform: uppercase; transition: background .2s, transform .15s;
    white-space: nowrap;
  }
  .nav__cta:hover { background: var(--gold); transform: translateY(-1px); }
  .nav__hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
  .nav__hamburger span { width: 24px; height: 2px; background: var(--dark); border-radius: 2px; display: block; transition: .3s; }

  /* ─── HERO / IMAGE GALLERY ─── */
  .hero {
    background: var(--bg);
    padding: 40px 0 0;
  }
  .hero__inner {
    max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
    display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: start;
  }

  /* Image gallery */
  .gallery { position: sticky; top: 84px; }
  .gallery__main {
    width: 100%; aspect-ratio: 1/1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow);
    cursor: zoom-in;
    margin-bottom: 12px;
  }
  .gallery__main img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .4s ease;
  }
  .gallery__main:hover img { transform: scale(1.04); }
  .gallery__thumbs {
    display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px;
  }
  .gallery__thumb {
    aspect-ratio: 1/1; border-radius: 8px; overflow: hidden;
    border: 2px solid transparent; cursor: pointer;
    transition: border-color .2s, transform .15s;
    background: var(--white);
  }
  .gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
  .gallery__thumb:hover, .gallery__thumb.active {
    border-color: var(--gold);
    transform: translateY(-2px);
  }

  /* Product info */
  .product-info { padding: 8px 0; }
  .product-info__badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--gold-light); color: var(--dark);
    font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
    text-transform: uppercase; padding: 4px 12px; border-radius: 20px;
    margin-bottom: 16px;
  }
  .product-info__title {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 900; line-height: 1.1; letter-spacing: -0.02em;
    color: var(--dark); margin-bottom: 12px;
  }
  .product-info__subtitle {
    font-size: 16px; color: var(--muted); margin-bottom: 24px; line-height: 1.5;
  }
  .product-info__dots {
    display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px;
  }
  .dot-tag {
    background: var(--bg); border: 1.5px solid var(--border);
    padding: 6px 14px; border-radius: 20px;
    font-size: 13px; font-weight: 600; color: var(--accent);
  }

  .product-info__specs {
    background: var(--white); border-radius: var(--radius); padding: 20px;
    border: 1px solid var(--border); margin-bottom: 24px;
  }
  .spec-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 9px 0; border-bottom: 1px solid var(--border);
    font-size: 14px;
  }
  .spec-row:last-child { border-bottom: none; }
  .spec-row dt { color: var(--muted); font-weight: 500; }
  .spec-row dd { font-weight: 700; color: var(--dark); text-align: right; }

  .cta-group { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
  .btn-primary {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--dark); color: var(--white);
    padding: 16px 28px; border-radius: var(--radius);
    font-size: 15px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase;
    transition: background .2s, transform .15s, box-shadow .2s;
    border: none; cursor: pointer; width: 100%;
  }
  .btn-primary:hover {
    background: var(--gold); transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(184,152,42,0.30);
  }
  .btn-secondary {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: transparent; color: var(--dark);
    padding: 14px 28px; border-radius: var(--radius);
    font-size: 14px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
    border: 2px solid var(--dark); cursor: pointer; width: 100%;
    transition: background .2s, color .2s, transform .15s;
  }
  .btn-secondary:hover {
    background: var(--dark); color: var(--white); transform: translateY(-2px);
  }
  .trust-strip {
    display: flex; flex-wrap: wrap; gap: 16px; margin-top: 4px;
  }
  .trust-item {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--muted); font-weight: 500;
  }
  .trust-item svg { flex-shrink: 0; }

  /* ─── MARKETING IMAGE STRIP (PC 16:9) ─── */
  .marketing-strip { padding: 60px 0 0; }
  .marketing-strip .container { padding: 0; }
  .mkt-img {
    width: 100%; display: block;
    border-radius: 0;
  }
  .mkt-img + .mkt-img { margin-top: 0; }

  /* ─── FEATURE ICONS ─── */
  .features { background: var(--white); }
  .features__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
    padding-top: 40px;
  }
  .feature-card {
    text-align: center; padding: 32px 24px; border-radius: var(--radius-lg);
    background: var(--bg); border: 1px solid var(--border);
    transition: transform .2s, box-shadow .2s;
  }
  .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
  .feature-card__icon {
    width: 56px; height: 56px; border-radius: 16px;
    background: var(--dark); color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; margin: 0 auto 16px;
  }
  .feature-card__title { font-size: 16px; font-weight: 800; margin-bottom: 8px; }
  .feature-card__text { font-size: 14px; color: var(--muted); line-height: 1.6; }

  /* ─── SECTION HEADER ─── */
  .section-header { text-align: center; margin-bottom: 48px; }
  .section-header__label {
    display: inline-block; font-size: 11px; font-weight: 800;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 10px;
  }
  .section-header__title {
    font-size: clamp(28px, 4vw, 42px); font-weight: 900; line-height: 1.1;
    letter-spacing: -0.02em; color: var(--dark); margin-bottom: 14px;
  }
  .section-header__sub { font-size: 16px; color: var(--muted); max-width: 600px; margin: 0 auto; }

  /* ─── SPECS TABLE ─── */
  .specs-section { background: var(--white); }
  .specs-table {
    width: 100%; border-collapse: collapse;
    background: var(--bg); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow);
  }
  .specs-table tr { border-bottom: 1px solid var(--border); }
  .specs-table tr:last-child { border-bottom: none; }
  .specs-table td {
    padding: 16px 24px; font-size: 15px;
    vertical-align: middle;
  }
  .specs-table td:first-child { color: var(--muted); font-weight: 500; width: 40%; }
  .specs-table td:last-child { font-weight: 700; color: var(--dark); }
  .specs-table tr:nth-child(even) td { background: var(--white); }

  /* ─── MOBILE GALLERY SECTION ─── */
  .mobile-gallery-section { background: var(--bg); }
  .mobile-gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 40px;
  }
  .mobile-gallery-item {
    border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); aspect-ratio: 1/1;
    transition: transform .2s, box-shadow .2s;
  }
  .mobile-gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
  .mobile-gallery-item img { width: 100%; height: 100%; object-fit: cover; }
  .mobile-gallery-item:first-child {
    grid-column: span 2; grid-row: span 2; aspect-ratio: unset;
  }

  /* ─── WHY US ─── */
  .why-us { background: var(--dark); color: var(--white); }
  .why-us .section-header__title { color: var(--white); }
  .why-us .section-header__sub { color: rgba(255,255,255,0.65); }
  .why-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 40px;
  }
  .why-card {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius-lg); padding: 28px;
    transition: background .2s, transform .2s;
  }
  .why-card:hover { background: rgba(255,255,255,0.10); transform: translateY(-3px); }
  .why-card__num {
    font-size: 36px; font-weight: 900; color: var(--gold-light);
    letter-spacing: -0.03em; line-height: 1; margin-bottom: 12px;
  }
  .why-card__title { font-size: 18px; font-weight: 800; margin-bottom: 8px; color: var(--white); }
  .why-card__text { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7; }

  /* ─── FAQ ─── */
  .faq { background: var(--bg); }
  .faq__list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
  .faq__item {
    background: var(--white); border-radius: var(--radius);
    border: 1px solid var(--border); overflow: hidden;
    box-shadow: 0 2px 12px rgba(44,62,122,0.06);
  }
  .faq__q {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px; cursor: pointer; user-select: none;
    font-size: 15px; font-weight: 700; color: var(--dark);
    transition: color .2s; gap: 16px;
  }
  .faq__q:hover { color: var(--gold); }
  .faq__icon {
    flex-shrink: 0; width: 28px; height: 28px;
    border-radius: 50%; background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; transition: transform .3s, background .2s;
    line-height: 1; color: var(--dark);
  }
  .faq__item.open .faq__icon { transform: rotate(45deg); background: var(--dark); color: var(--white); }
  .faq__a {
    max-height: 0; overflow: hidden;
    transition: max-height .35s ease, padding .3s;
    font-size: 14px; color: var(--muted); line-height: 1.8;
    padding: 0 24px;
  }
  .faq__item.open .faq__a { max-height: 600px; padding: 0 24px 20px; }

  /* ─── CTA BAND ─── */
  .cta-band {
    background: linear-gradient(135deg, var(--accent) 0%, #1a1a1a 100%);
    color: var(--white); text-align: center; padding: 80px 24px;
  }
  .cta-band__title {
    font-size: clamp(28px, 5vw, 48px); font-weight: 900;
    letter-spacing: -0.02em; margin-bottom: 14px;
  }
  .cta-band__sub { font-size: 16px; color: rgba(255,255,255,0.75); margin-bottom: 36px; }
  .cta-band__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  .btn-gold {
    background: var(--gold-light); color: var(--dark);
    padding: 16px 36px; border-radius: var(--radius);
    font-size: 15px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
    transition: transform .15s, box-shadow .2s;
    border: none; cursor: pointer;
  }
  .btn-gold:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(212,175,55,0.40); }
  .btn-outline-white {
    background: transparent; color: var(--white);
    padding: 14px 32px; border-radius: var(--radius);
    font-size: 14px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
    border: 2px solid rgba(255,255,255,0.4); cursor: pointer;
    transition: border-color .2s, background .2s;
  }
  .btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }

  /* ─── FOOTER ─── */
  .footer {
    background: #0e0e0e; color: rgba(255,255,255,0.55);
    padding: 48px 24px 32px; font-size: 13px;
  }
  .footer__inner {
    max-width: var(--max-w); margin: 0 auto;
    display: flex; justify-content: space-between; align-items: flex-start;
    flex-wrap: wrap; gap: 32px;
  }
  .footer__brand { max-width: 280px; }
  .footer__brand-name {
    font-size: 16px; font-weight: 800; color: var(--white);
    letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px;
  }
  .footer__brand-name span { color: var(--gold-light); }
  .footer__links { display: flex; flex-direction: column; gap: 8px; }
  .footer__links a { color: rgba(255,255,255,0.55); transition: color .2s; }
  .footer__links a:hover { color: var(--gold-light); }
  .footer__bottom {
    max-width: var(--max-w); margin: 32px auto 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px; text-align: center;
    color: rgba(255,255,255,0.30); font-size: 12px;
  }

  /* ─── DIVIDER ─── */
  .divider { height: 1px; background: var(--border); margin: 0; }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 900px) {
    .hero__inner { grid-template-columns: 1fr; gap: 32px; }
    .gallery { position: static; }
    .gallery__thumbs { grid-template-columns: repeat(7, 1fr); }
    .features__grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; }
    .mobile-gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .mobile-gallery-item:first-child { grid-column: span 2; }
    .nav__links { display: none; }
    .nav__cta { display: none; }
    .nav__hamburger { display: flex; }
  }
  @media (max-width: 600px) {
    .features__grid { grid-template-columns: 1fr; }
    .gallery__thumbs { grid-template-columns: repeat(4, 1fr); gap: 6px; }
    .mobile-gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .mobile-gallery-item:first-child { grid-column: 1; grid-row: 1; }
    .section { padding: 48px 0; }
    .cta-band__actions { flex-direction: column; align-items: center; }
    .footer__inner { flex-direction: column; }
    .specs-table td { padding: 12px 16px; font-size: 13px; }
  }