:root {
  --ink: #111827;
  --navy: #102a43;
  --sky: #dff4ff;
  --blue: #1e78ff;
  --cyan: #54d5e6;
  --sun: #ff8a3d;
  --lime: #d9f36a;
  --paper: #f7f9fc;
  --white: #ffffff;
  --muted: #667085;
  --line: #dce4ee;
  --shadow: 0 22px 70px rgba(16, 42, 67, .14);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }

.announcement {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 38px;
  padding: 8px 22px;
  color: var(--white);
  background: var(--navy);
  font-size: 13px;
  letter-spacing: .01em;
}
.announcement strong { color: var(--lime); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 78px;
  padding: 14px clamp(20px, 5vw, 76px);
  background: rgba(247,249,252,.92);
  border-bottom: 1px solid rgba(16,42,67,.08);
  backdrop-filter: blur(18px);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: Georgia, serif;
  font-weight: 800;
  font-style: italic;
  font-size: 26px;
}
.logo-mark {
  position: relative;
  width: 31px;
  height: 31px;
  border-radius: 50%;
  background: var(--blue);
}
.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}
.logo-mark::before { width: 13px; height: 13px; top: -4px; right: 0; background: var(--sun); }
.logo-mark::after { width: 9px; height: 9px; bottom: 1px; left: -3px; background: var(--cyan); }
.nav-links { display: flex; justify-content: center; gap: clamp(16px, 2.3vw, 34px); font-size: 14px; font-weight: 650; }
.nav-links a { position: relative; padding: 11px 0; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 2px; background: var(--blue); transition: right .25s ease; }
.nav-links a:hover::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 9px; }
.icon-btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--navy);
}
.icon-btn svg { width: 19px; height: 19px; }
.cart-count { position: absolute; transform: translate(15px,-14px); min-width: 19px; padding: 2px 5px; border-radius: 20px; color: white; background: var(--sun); font-size: 10px; font-weight: 800; }
.menu-btn { display: none; }

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  padding: clamp(74px, 9vw, 130px) clamp(20px, 6vw, 92px) 70px;
  background:
    radial-gradient(circle at 68% 48%, rgba(84,213,230,.36), transparent 27%),
    linear-gradient(120deg, #edf8ff 0 54%, #c8eff4 54% 100%);
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .94fr) minmax(470px, 1.06fr); align-items: center; gap: 50px; max-width: 1450px; margin: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 22px; color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--sun); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(54px, 6.5vw, 104px);
  font-weight: 500;
  line-height: .91;
  letter-spacing: -.055em;
}
.hero h1 em { color: var(--blue); font-style: italic; }
.hero-copy { max-width: 650px; margin-bottom: 34px; color: #40556d; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: var(--blue); box-shadow: 0 11px 24px rgba(30,120,255,.25); }
.btn-secondary { color: var(--navy); border-color: #afc1d2; background: rgba(255,255,255,.6); }
.btn-dark { color: white; background: var(--navy); }
.btn-sun { color: var(--navy); background: var(--sun); }

.viewfinder {
  position: relative;
  width: min(43vw, 610px);
  aspect-ratio: 1;
  margin-left: auto;
  border: 1px solid rgba(16,42,67,.15);
  border-radius: 50%;
  background: rgba(255,255,255,.43);
  box-shadow: var(--shadow), inset 0 0 0 28px rgba(255,255,255,.22);
}
.viewfinder::before, .viewfinder::after { content: ""; position: absolute; background: rgba(16,42,67,.16); }
.viewfinder::before { top: -25px; bottom: -25px; left: 50%; width: 1px; }
.viewfinder::after { left: -25px; right: -25px; top: 50%; height: 1px; }
.orbit { position: absolute; inset: 9%; border: 1px dashed rgba(30,120,255,.3); border-radius: 50%; animation: spin 34s linear infinite; }
.lens-core { position: absolute; inset: 24%; overflow: hidden; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle at 32% 27%, #46637f, #112a43 42%, #061626 76%); box-shadow: inset 0 0 0 10px #263f58, inset 0 0 0 12px rgba(255,255,255,.18), 0 24px 50px rgba(16,42,67,.35); }
.lens-core::before { content: ""; width: 35%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 30% 25%, white 0 5%, #68dded 7% 21%, #154f82 45%, #050c1b 70%); box-shadow: 0 0 60px rgba(84,213,230,.65); }
.product-silhouette { position: absolute; z-index: 3; left: 18%; right: 18%; top: 43%; height: 22%; border-radius: 48% 48% 30% 30%; border: 8px solid #0d1b2d; transform: rotate(-7deg); }
.product-silhouette::before { content: ""; position: absolute; left: 47%; top: 34%; width: 7%; height: 8px; background: #0d1b2d; }
.product-silhouette::after { content: ""; position: absolute; right: -32%; top: 5%; width: 38%; height: 8px; border-radius: 8px; background: #0d1b2d; transform: rotate(-10deg); transform-origin: left center; }
.lens-label { position: absolute; z-index: 4; bottom: 12%; left: 50%; transform: translateX(-50%); padding: 9px 14px; border-radius: 999px; background: var(--white); box-shadow: 0 8px 20px rgba(16,42,67,.12); font-size: 12px; font-weight: 850; white-space: nowrap; }
.satellite { position: absolute; z-index: 5; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; color: var(--navy); background: white; box-shadow: 0 10px 30px rgba(16,42,67,.15); font-size: 20px; }
.satellite.one { top: 8%; right: 19%; }
.satellite.two { bottom: 18%; left: 1%; }
.satellite.three { bottom: 4%; right: 23%; }
@keyframes spin { to { transform: rotate(360deg); } }

.trust-strip { position: relative; z-index: 5; display: grid; grid-template-columns: repeat(4, 1fr); max-width: 1260px; margin: -35px auto 0; padding: 0 26px; }
.trust-item { min-height: 88px; padding: 22px 26px; background: white; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-item:first-child { border-left: 1px solid var(--line); border-radius: 18px 0 0 18px; }
.trust-item:last-child { border-right: 1px solid var(--line); border-radius: 0 18px 18px 0; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-item strong { display: block; margin-bottom: 4px; color: var(--navy); font-size: 15px; }
.trust-item span { color: var(--muted); font-size: 12px; }
.stars { color: var(--sun); letter-spacing: 1px; }

.section { padding: 110px clamp(20px, 6vw, 92px); }
.section-inner { max-width: 1320px; margin: auto; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }
.section-head h2 { max-width: 720px; margin-bottom: 0; color: var(--navy); font-family: Georgia, serif; font-size: clamp(38px, 4.4vw, 66px); font-weight: 500; letter-spacing: -.04em; line-height: 1; }
.section-head p { max-width: 430px; margin-bottom: 4px; color: var(--muted); line-height: 1.6; }

.journey-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.journey-card { position: relative; min-height: 470px; overflow: hidden; padding: 34px; border-radius: var(--radius); color: white; background: var(--navy); transition: transform .25s ease; }
.journey-card:hover { transform: translateY(-6px); }
.journey-card:nth-child(2) { color: var(--navy); background: var(--sky); }
.journey-card:nth-child(3) { background: #4936a8; }
.journey-tag { display: inline-flex; padding: 7px 10px; border: 1px solid currentColor; border-radius: 999px; font-size: 11px; font-weight: 850; text-transform: uppercase; letter-spacing: .1em; opacity: .8; }
.journey-card h3 { position: relative; z-index: 3; max-width: 320px; margin-top: 160px; margin-bottom: 14px; font-family: Georgia, serif; font-size: 38px; font-weight: 500; line-height: 1; }
.journey-card p { position: relative; z-index: 3; max-width: 320px; line-height: 1.55; opacity: .75; }
.journey-card a { position: absolute; z-index: 4; right: 28px; bottom: 28px; display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; color: var(--navy); background: var(--white); font-size: 23px; }
.card-art { position: absolute; top: -65px; right: -55px; width: 270px; height: 270px; border: 35px solid rgba(255,255,255,.11); border-radius: 50%; }
.card-art::after { content: ""; position: absolute; inset: 34px; border: 20px solid rgba(255,255,255,.13); border-radius: 50%; }
.journey-card:nth-child(2) .card-art { border-color: rgba(30,120,255,.13); }
.journey-card:nth-child(2) .card-art::after { border-color: rgba(30,120,255,.12); }

.featured { background: var(--navy); color: white; }
.featured .section-head h2 { color: white; }
.featured .section-head p { color: #a8bed0; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { overflow: hidden; border-radius: var(--radius); color: var(--ink); background: white; }
.product-image { position: relative; display: grid; place-items: center; min-height: 300px; overflow: hidden; background: linear-gradient(145deg, #e9f5ff, #d4ebf4); }
.product-image img { width: 82%; max-height: 270px; object-fit: contain; mix-blend-mode: multiply; transition: transform .35s ease; }
.product-card:hover img { transform: scale(1.045) rotate(-1deg); }
.product-image.camera::before { content: "360°"; font: 700 90px/1 Georgia,serif; color: rgba(16,42,67,.08); }
.product-image.camera::after { content: ""; position: absolute; width: 95px; height: 200px; border-radius: 48px 48px 24px 24px; background: linear-gradient(90deg,#172a3e,#425c74 58%,#0c1824); box-shadow: 0 24px 30px rgba(0,0,0,.25); }
.product-image.vr::before { content: ""; width: 230px; height: 130px; border-radius: 55px 55px 45px 45px; background: white; box-shadow: 0 25px 35px rgba(16,42,67,.2), inset 0 -12px 18px rgba(16,42,67,.08); transform: rotate(-8deg); }
.badge { position: absolute; top: 17px; left: 17px; z-index: 3; padding: 7px 10px; border-radius: 999px; color: var(--navy); background: var(--lime); font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.product-info { padding: 24px; }
.product-kicker { margin-bottom: 8px; color: var(--blue); font-size: 11px; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.product-info h3 { min-height: 48px; margin-bottom: 10px; color: var(--navy); font-size: 20px; line-height: 1.2; }
.attributes { min-height: 38px; color: var(--muted); font-size: 13px; }
.price-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.price { font-size: 19px; font-weight: 850; }
.small-link { color: var(--blue); font-size: 13px; font-weight: 800; }

.guide-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: center; overflow: hidden; padding: clamp(40px,6vw,82px); border-radius: 30px; background: var(--sun); }
.guide-band h2 { color: var(--navy); font-family: Georgia,serif; font-size: clamp(40px,5vw,72px); font-weight: 500; line-height: .96; letter-spacing: -.045em; }
.guide-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.guide-item { padding: 22px; border-radius: 16px; background: rgba(255,255,255,.55); }
.guide-item strong { display: block; margin-bottom: 6px; color: var(--navy); }
.guide-item span { color: #6d3c1f; font-size: 13px; }

.footer { padding: 60px clamp(20px,6vw,92px); color: #aac0d1; background: #091b2c; }
.footer-inner { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 50px; max-width: 1320px; margin: auto; }
.footer .logo { color: white; margin-bottom: 18px; }
.footer h4 { color: white; margin: 5px 0 18px; }
.footer p, .footer a { display: block; margin-bottom: 10px; color: #aac0d1; font-size: 13px; line-height: 1.6; }

/* Product page */
.breadcrumb { max-width: 1320px; margin: 0 auto; padding: 30px clamp(20px,6vw,92px) 0; color: var(--muted); font-size: 12px; }
.product-hero { display: grid; grid-template-columns: 1.06fr .94fr; gap: clamp(34px,5vw,80px); max-width: 1320px; margin: auto; padding: 44px clamp(20px,6vw,92px) 100px; }
.gallery { display: grid; grid-template-columns: 72px 1fr; gap: 15px; align-items: start; }
.thumbs { display: grid; gap: 10px; }
.thumb { display: grid; place-items: center; width: 68px; height: 68px; padding: 6px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.thumb.active { border: 2px solid var(--blue); }
.thumb img { width: 100%; mix-blend-mode: multiply; }
.main-product-image { position: relative; display: grid; place-items: center; min-height: 610px; border-radius: 26px; background: radial-gradient(circle at 50% 35%, white, #dfeefa 70%); }
.main-product-image img { width: 82%; mix-blend-mode: multiply; }
.zoom-chip { position: absolute; bottom: 20px; left: 20px; padding: 9px 13px; border-radius: 999px; background: white; color: var(--muted); font-size: 12px; }
.product-detail { padding-top: 10px; }
.product-detail h1 { margin-bottom: 18px; color: var(--navy); font-family: Georgia,serif; font-size: clamp(42px,4vw,64px); font-weight: 500; line-height: .98; letter-spacing: -.045em; }
.rating { display: flex; gap: 10px; align-items: center; margin-bottom: 25px; color: var(--muted); font-size: 13px; }
.product-price { margin-bottom: 10px; font-size: 30px; font-weight: 850; }
.pay-note { margin-bottom: 28px; color: var(--muted); font-size: 13px; }
.option-title { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 13px; font-weight: 800; }
.option-group { margin-bottom: 25px; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip { padding: 11px 15px; border: 1px solid var(--line); border-radius: 999px; background: white; color: var(--navy); font-size: 13px; font-weight: 700; }
.chip.active { color: white; border-color: var(--navy); background: var(--navy); }
.buy-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 30px 0 22px; }
.buy-row .btn { border-radius: 13px; }
.reassurance { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 18px; background: white; }
.reassurance div { padding: 16px; font-size: 12px; }
.reassurance div:nth-child(odd) { border-right: 1px solid var(--line); }
.reassurance div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.reassurance strong { display: block; margin-bottom: 4px; color: var(--navy); }
.fit-callout { display: flex; gap: 15px; margin-top: 22px; padding: 18px; border-radius: 17px; background: var(--sky); }
.fit-callout b { color: var(--blue); }
.detail-sections { display: grid; grid-template-columns: 1fr 1fr 1fr; max-width: 1140px; margin: 0 auto 110px; border-top: 1px solid var(--line); }
.detail-block { padding: 34px; }
.detail-block + .detail-block { border-left: 1px solid var(--line); }
.detail-block h3 { color: var(--navy); font-family: Georgia,serif; font-size: 25px; font-weight: 500; }
.detail-block p { color: var(--muted); font-size: 14px; line-height: 1.65; }

/* Mobile presentation */
.mobile-canvas { max-width: 430px; margin: 40px auto; overflow: hidden; border: 12px solid var(--ink); border-radius: 46px; background: var(--paper); box-shadow: var(--shadow); }
.mobile-canvas .announcement { min-height: 54px; padding-inline: 30px; text-align: center; font-size: 11px; }
.mobile-canvas .site-header { position: relative; grid-template-columns: auto 1fr auto; min-height: 66px; padding: 11px 16px; }
.mobile-canvas .logo { justify-self: center; font-size: 21px; }
.mobile-canvas .logo-mark { width: 25px; height: 25px; }
.mobile-canvas .nav-links, .mobile-canvas .header-actions .account { display: none; }
.mobile-canvas .menu-btn { display: grid; }
.mobile-canvas .header-actions { gap: 5px; }
.mobile-canvas .icon-btn { width: 36px; height: 36px; }
.mobile-canvas .hero { min-height: auto; padding: 54px 20px 44px; background: radial-gradient(circle at 80% 20%, rgba(84,213,230,.5), transparent 28%), linear-gradient(150deg,#edf8ff,#c8eff4); }
.mobile-canvas .hero-grid { display: block; }
.mobile-canvas .hero h1 { font-size: 53px; }
.mobile-canvas .hero-copy { font-size: 16px; }
.mobile-canvas .actions { display: grid; }
.mobile-canvas .viewfinder { width: 310px; margin: 50px auto 15px; }
.mobile-canvas .trust-strip { display: flex; overflow-x: auto; margin: 0; padding: 15px 20px 22px; background: white; }
.mobile-canvas .trust-item { min-width: 210px; border: 1px solid var(--line); border-radius: 14px; }
.mobile-canvas .trust-item + .trust-item { margin-left: 9px; }
.mobile-canvas .section { padding: 65px 20px; }
.mobile-canvas .section-head { display: block; }
.mobile-canvas .section-head h2 { margin-bottom: 18px; font-size: 42px; }
.mobile-canvas .journey-grid { display: grid; grid-template-columns: 1fr; }
.mobile-canvas .product-grid {
  display: flex;
  gap: 14px;
  margin-right: -20px;
  padding: 2px 20px 22px 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.mobile-canvas .product-grid::-webkit-scrollbar { display: none; }
.mobile-canvas .product-card {
  flex: 0 0 82%;
  scroll-snap-align: start;
}
.mobile-canvas .journey-card { min-height: 390px; }
.mobile-canvas .journey-card h3 { margin-top: 125px; }
.mobile-canvas .guide-band { display: block; padding: 34px 22px; }
.mobile-canvas .guide-panel { grid-template-columns: 1fr; margin-top: 30px; }
.mobile-canvas .footer-inner { grid-template-columns: 1fr; }
.mobile-canvas .footer-inner > div:not(:first-child) { display: none; }

.prototype-nav { position: fixed; z-index: 99; left: 50%; bottom: 20px; display: flex; gap: 5px; padding: 6px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; background: rgba(9,27,44,.92); box-shadow: 0 12px 30px rgba(0,0,0,.25); transform: translateX(-50%); backdrop-filter: blur(15px); }
.prototype-nav a { padding: 10px 15px; border-radius: 999px; color: #b8cad8; font-size: 12px; font-weight: 800; white-space: nowrap; }
.prototype-nav a.active { color: var(--navy); background: var(--lime); }

@media (max-width: 900px) {
  .nav-links, .header-actions .account { display: none; }
  .menu-btn { display: grid; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .viewfinder { width: min(78vw,520px); margin: 20px auto 0; }
  .trust-strip { grid-template-columns: 1fr 1fr; margin-top: 0; }
  .trust-item, .trust-item:first-child, .trust-item:last-child { border: 1px solid var(--line); border-radius: 0; }
  .journey-grid, .product-grid { grid-template-columns: 1fr; }
  .guide-band, .product-hero { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .product-hero { padding-inline: 20px; }
  .detail-sections { grid-template-columns: 1fr; }
  .detail-block + .detail-block { border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 560px) {
  .site-header { gap: 10px; padding: 11px 14px; }
  .logo { justify-self: center; font-size: 21px; }
  .logo-mark { width: 25px; height: 25px; }
  .icon-btn { width: 37px; height: 37px; }
  .hero { padding: 55px 20px 48px; }
  .hero h1 { font-size: 52px; }
  .actions { display: grid; }
  .viewfinder { width: min(88vw,390px); }
  .trust-strip { display: flex; overflow-x: auto; padding: 15px; background: white; }
  .trust-item { min-width: 215px; }
  .section { padding: 70px 20px; }
  .section-head { display: block; }
  .section-head h2 { margin-bottom: 18px; }
  .guide-panel { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .thumbs { display: flex; order: 2; overflow-x: auto; }
  .main-product-image { min-height: 420px; }
  .product-detail h1 { font-size: 42px; }
  .reassurance { grid-template-columns: 1fr; }
  .reassurance div, .reassurance div:nth-child(odd), .reassurance div:nth-child(-n+2) { border: 0; border-bottom: 1px solid var(--line); }
  .prototype-nav { bottom: 9px; }
  .prototype-nav a { padding: 9px 11px; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}