:root {
  --ink: #17203d;
  --muted: #68708a;
  --paper: #f7f8fc;
  --navy: #10152d;
  --purple: #6347e8;
  --purple-dark: #4d35c7;
  --gold: #f5bd48;
  --border: #e7e9f2;
  --shadow: 0 18px 50px rgba(31, 35, 70, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(1120px, calc(100% - 40px)); margin: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  color: #fff;
  background: rgba(16, 21, 45, .95);
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  backdrop-filter: blur(14px);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 1.2rem; font-weight: 800; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; color: var(--navy); background: var(--gold); font-size: .92rem; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: #dfe2f1; font-size: .93rem; font-weight: 650; text-decoration: none; }
.nav-links a:hover { color: var(--gold); }

.product-hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 86px;
  color: #fff;
  background: radial-gradient(circle at 85% 10%, rgba(99, 71, 232, .75), transparent 28%), var(--navy);
}
.product-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image: linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px), linear-gradient(90deg,rgba(255,255,255,.13) 1px,transparent 1px);
  background-size: 44px 44px;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 72px; align-items: center; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 25px; color: #aeb5ce; font-size: .84rem; font-weight: 650; }
.breadcrumb a { color: #fff; text-decoration: none; }
.pill { display: inline-block; margin-bottom: 18px; padding: 6px 11px; border: 1px solid rgba(245,189,72,.5); border-radius: 999px; color: var(--gold); background: rgba(245,189,72,.08); font-size: .72rem; font-weight: 850; text-transform: uppercase; letter-spacing: .1em; }
h1 { margin: 0; max-width: 720px; font-size: clamp(2.55rem, 6vw, 4.8rem); line-height: 1.04; letter-spacing: -.05em; }
.lead { max-width: 650px; margin: 23px 0 30px; color: #cdd1e5; font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 21px; border-radius: 12px; font-weight: 780; text-decoration: none; transition: transform .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy); background: var(--gold); }
.button-secondary { color: #fff; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.06); }
.hero-shot { justify-self: center; width: min(330px, 100%); padding: 9px; border: 1px solid rgba(255,255,255,.16); border-radius: 28px; background: rgba(255,255,255,.08); box-shadow: 0 30px 70px rgba(0,0,0,.35); transform: rotate(2deg); }
.hero-shot img { width: 100%; max-height: 470px; object-fit: cover; object-position: top; border-radius: 20px; }

.product-content { padding: 80px 0; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 54px; align-items: start; }
.copy-section + .copy-section { margin-top: 48px; }
.copy-section h2, .gallery-section h2 { margin: 0 0 16px; font-size: clamp(1.7rem, 3vw, 2.35rem); line-height: 1.18; letter-spacing: -.035em; }
.copy-section p { margin: 0 0 16px; color: var(--muted); }
.feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; list-style: none; }
.feature-list li { position: relative; padding: 15px 16px 15px 43px; border: 1px solid var(--border); border-radius: 13px; background: #fff; color: #414960; font-size: .92rem; font-weight: 630; }
.feature-list li::before { content: "✓"; position: absolute; left: 16px; color: var(--purple); font-weight: 900; }
.info-card { position: sticky; top: 96px; padding: 26px; border: 1px solid var(--border); border-radius: 19px; background: #fff; box-shadow: var(--shadow); }
.info-card h2 { margin: 0 0 18px; font-size: 1.15rem; }
.info-row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--border); font-size: .88rem; }
.info-row span { color: var(--muted); }
.info-row strong { text-align: right; }
.info-card .button { width: 100%; margin-top: 19px; color: #fff; background: var(--purple); }

.gallery-section { padding: 80px 0; background: #fff; }
.gallery-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.gallery-head p { max-width: 510px; margin: 0; color: var(--muted); }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 17px; }
.gallery button { padding: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 18px; background: #e9ebf3; cursor: zoom-in; box-shadow: 0 8px 25px rgba(31,35,70,.07); }
.gallery img { width: 100%; height: 390px; object-fit: cover; object-position: top; transition: transform .3s; }
.gallery button:hover img { transform: scale(1.035); }
.gallery.two { grid-template-columns: repeat(2, minmax(0, 350px)); }
.gallery.three { grid-template-columns: repeat(3, 1fr); }

.more { padding: 70px 0; }
.more-card { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 38px 42px; border-radius: 24px; color: #fff; background: var(--navy); box-shadow: var(--shadow); }
.more-card h2 { margin: 0 0 6px; font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: -.035em; }
.more-card p { margin: 0; color: #cdd1e5; }
footer { padding: 32px 0; color: #aeb4ca; background: var(--navy); border-top: 1px solid rgba(255,255,255,.08); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }
footer p { margin: 0; font-size: .87rem; }
footer a { color: #fff; text-decoration: none; }

.lightbox { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 30px; background: rgba(5,8,20,.92); }
.lightbox.open { display: grid; }
.lightbox img { max-width: min(900px, 95vw); max-height: 88vh; border-radius: 14px; }
.lightbox-close { position: fixed; top: 20px; right: 24px; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: #fff; background: rgba(255,255,255,.1); font-size: 1.5rem; cursor: pointer; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

@media (max-width: 900px) {
  .hero-grid, .content-grid { grid-template-columns: 1fr; }
  .hero-shot { display: none; }
  .info-card { position: static; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1120px); }
  .nav-links a:not(:last-child) { display: none; }
  .product-hero { padding: 58px 0 66px; }
  .product-content, .gallery-section { padding: 62px 0; }
  .feature-list, .gallery, .gallery.two, .gallery.three { grid-template-columns: 1fr; }
  .gallery img { height: auto; max-height: 580px; }
  .gallery-head, .more-card, .footer-inner { align-items: stretch; flex-direction: column; }
  .more-card { padding: 28px; }
}