/* Layout: Apple-style stacked full-width "tiles", centered headlines, sticky global nav, sub-nav per section. */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --fg: #1d1d1f;
  --fg-soft: #6e6e73;
  --line: #d2d2d7;
  --accent: #0071e3;
  --accent-ink: #0066cc;
  --nav-bg: rgba(250, 250, 252, 0.82);
  --tile-dark: #000000;
  --tile-dark-fg: #f5f5f7;
  --card: #ffffff;
  --ok: #1d8a3a;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000000; --bg-alt: #161617; --fg: #f5f5f7; --fg-soft: #a1a1a6; --line: #424245;
    --accent: #2997ff; --accent-ink: #2997ff; --nav-bg: rgba(22, 22, 23, 0.82);
    --tile-dark: #161617; --tile-dark-fg: #f5f5f7; --card: #1d1d1f; --ok: #30d158;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #000000; --bg-alt: #161617; --fg: #f5f5f7; --fg-soft: #a1a1a6; --line: #424245;
  --accent: #2997ff; --accent-ink: #2997ff; --nav-bg: rgba(22, 22, 23, 0.82);
  --tile-dark: #161617; --tile-dark-fg: #f5f5f7; --card: #1d1d1f; --ok: #30d158;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--font); font-size: 17px; line-height: 1.47;
  -webkit-font-smoothing: antialiased; letter-spacing: -0.022em;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--nav-bg); }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
h1, h2, h3 { text-wrap: balance; margin: 0; letter-spacing: -0.015em; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.gutter { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: 1024px; margin: 0 auto; }

/* Global nav */
.gn { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--nav-bg); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); }
.gn-inner { max-width: 1024px; margin: 0 auto; height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.gn a { color: var(--fg); opacity: .8; font-size: 12px; letter-spacing: -0.01em; }
.gn a:hover { opacity: 1; text-decoration: none; }
.gn-links { display: flex; gap: clamp(14px, 3vw, 34px); align-items: center; }
.gn-brand { font-weight: 600; font-size: 14px !important; opacity: 1 !important; white-space: nowrap; }
.gn-icons { display: flex; gap: 18px; align-items: center; }
.icon-btn { background: none; border: 0; padding: 4px; color: var(--fg); cursor: pointer; position: relative; display: inline-flex; opacity: .85; }
.icon-btn:hover { opacity: 1; }
.bag-count { position: absolute; right: -6px; bottom: -4px; background: var(--fg); color: var(--bg); font-size: 9px; font-weight: 600; min-width: 15px; height: 15px; border-radius: 8px; display: grid; place-items: center; padding: 0 3px; }
.bag-count[data-n="0"] { display: none; }
.menu-btn { display: none; }
@media (max-width: 833px) {
  .gn-links { display: none; }
  .menu-btn { display: inline-flex; }
}
.mobile-menu { position: fixed; inset: 44px 0 0; z-index: 49; background: var(--bg); padding-top: 24px; padding-bottom: 40px; overflow-y: auto; }
.mobile-menu a { display: block; color: var(--fg); font-size: 28px; font-weight: 600; padding: 6px 0; }

/* Search panel */
.search-panel { position: fixed; inset: 44px 0 auto; z-index: 49; background: var(--bg); border-bottom: 1px solid var(--line); padding-block: 24px 32px; box-shadow: 0 20px 40px rgba(0,0,0,.08); }
.search-panel input { width: 100%; font: 600 24px var(--font); border: 0; background: transparent; color: var(--fg); padding: 8px 0; outline: none; }
.search-results { margin-top: 16px; display: grid; gap: 6px; }
.search-results a { color: var(--fg); font-size: 15px; display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.search-results span { color: var(--fg-soft); }

/* Sub nav (local nav per section) */
.ln { position: sticky; top: calc(44px + env(safe-area-inset-top, 0px)); z-index: 40; background: var(--nav-bg); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--line); }
.ln-inner { max-width: 1024px; margin: 0 auto; height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ln-title { font-size: 21px; font-weight: 600; white-space: nowrap; }
.ln-links { display: flex; gap: 22px; align-items: center; font-size: 12px; overflow-x: auto; scrollbar-width: none; }
.ln-links a { color: var(--fg); white-space: nowrap; }
.ln-links a.on { color: var(--fg-soft); }

/* Ribbon */
.ribbon { background: var(--bg-alt); text-align: center; font-size: 14px; padding-block: 14px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--accent); color: #fff; border: 1px solid var(--accent); border-radius: 980px; padding: 9px 20px; font: 400 17px var(--font); cursor: pointer; text-decoration: none !important; letter-spacing: -0.02em; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent-ink); }
.btn.ghost:hover { background: var(--accent); color: #fff; }
.btn.small { font-size: 14px; padding: 6px 14px; }
.btn.block { width: 100%; padding-block: 14px; border-radius: 12px; }
.btn[disabled] { opacity: .4; cursor: not-allowed; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
.link-arrow::after { content: " ›"; }

/* Hero tiles (home) */
.tile { text-align: center; padding-block: 52px 0; overflow: hidden; background: var(--bg-alt); }
.tile.light { background: var(--bg); }
.tile.dark { background: var(--tile-dark); color: var(--tile-dark-fg); }
.tile h2 { font-size: clamp(40px, 6vw, 56px); font-weight: 600; line-height: 1.07; }
.tile .sub { font-size: clamp(21px, 2.6vw, 28px); margin-top: 6px; }
.tile .art { display: flex; justify-content: center; align-items: flex-end; gap: clamp(6px, 3vw, 28px); margin-top: 28px; height: clamp(240px, 38vw, 400px); }
.tile .art svg { height: 100%; width: auto; filter: drop-shadow(0 20px 30px rgba(0,0,0,.18)); }
.tile .art.tilt svg:nth-child(2) { transform: translateY(-6%); }
.tile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 12px; background: var(--bg); }
.tile-grid .tile { padding-block: 44px 0; padding-inline: 16px; }
.tile-grid .tile h2 { font-size: clamp(32px, 4vw, 40px); }
.tile-grid .tile .sub { font-size: 19px; }
.tile-grid .tile .art { height: clamp(200px, 26vw, 300px); }
@media (max-width: 734px) { .tile-grid { grid-template-columns: minmax(0, 1fr); padding-inline: 0; } }

/* Section headings */
.section { padding-block: 72px; }
.section.alt { background: var(--bg-alt); }
.eyebrow { font-size: 14px; color: var(--fg-soft); font-weight: 600; letter-spacing: .01em; }
.h-xl { font-size: clamp(40px, 7vw, 80px); font-weight: 600; line-height: 1.05; }
.h-l { font-size: clamp(32px, 4.6vw, 48px); font-weight: 600; line-height: 1.08; }
.h-m { font-size: clamp(24px, 3vw, 32px); font-weight: 600; line-height: 1.125; }
.lead { font-size: clamp(19px, 2.2vw, 24px); color: var(--fg-soft); margin-top: 10px; }
.center { text-align: center; }

/* Product family row (like Apple's chapter nav) */
.family { display: flex; gap: 28px; justify-content: center; overflow-x: auto; padding-block: 20px 8px; scrollbar-width: none; }
.family a { display: grid; justify-items: center; gap: 8px; color: var(--fg); font-size: 12px; min-width: 64px; text-align: center; }
.family a:hover { text-decoration: none; color: var(--accent-ink); }
.family svg { height: 54px; width: auto; }
.family .new { color: #b64400; font-size: 10px; }

/* Lineup cards */
.lineup { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 40px; }
.card { background: var(--card); border-radius: 18px; padding: 28px 24px 30px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; min-width: 0; }
.section:not(.alt) .card { background: var(--bg-alt); }
.card .art { height: 240px; display: flex; align-items: flex-end; justify-content: center; }
.card .art svg { height: 100%; width: auto; }
.card h3 { font-size: 24px; font-weight: 600; margin-top: 8px; }
.card .tag { font-size: 14px; color: var(--fg-soft); min-height: 42px; }
.card .price { font-size: 14px; }
.card .badge { font-size: 12px; color: #b64400; font-weight: 600; min-height: 18px; }
.swatches { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; min-height: 14px; }
.sw { width: 12px; height: 12px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0,0,0,.15); }
.card .cta-row { margin-top: 6px; }
.card .feat { width: 100%; border-top: 1px solid var(--line); margin-top: 14px; padding-top: 16px; display: grid; gap: 14px; font-size: 14px; }
.card .feat b { display: block; font-weight: 600; }
.card .feat span { color: var(--fg-soft); }

/* Highlights grid */
.hl { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 36px; }
.hl > div { background: var(--card); border-radius: 18px; padding: 28px; min-width: 0; }
.section:not(.alt) .hl > div { background: var(--bg-alt); }
.hl b { font-size: 21px; display: block; line-height: 1.2; }
.hl p { color: var(--fg-soft); margin-top: 8px; font-size: 15px; }

/* Buy / configurator */
.buy { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 48px; padding-block: 40px 72px; align-items: start; }
@media (max-width: 833px) { .buy { grid-template-columns: minmax(0, 1fr); gap: 24px; } }
.buy-art { position: sticky; top: 120px; background: var(--bg-alt); border-radius: 22px; height: clamp(320px, 52vw, 580px); display: flex; align-items: center; justify-content: center; gap: 4%; padding: 32px; }
@media (max-width: 833px) { .buy-art { position: static; } }
.buy-art svg { height: 100%; width: auto; transition: transform .4s ease; }
.opt-group { border-top: 1px solid var(--line); padding-block: 22px; }
.opt-group h4 { margin: 0 0 14px; font-size: 21px; font-weight: 600; }
.opt-group h4 span { color: var(--fg-soft); font-weight: 600; }
.color-opts { display: flex; gap: 14px; flex-wrap: wrap; }
.color-opts button { width: 34px; height: 34px; border-radius: 50%; border: 0; cursor: pointer; box-shadow: inset 0 0 0 1px rgba(0,0,0,.15); outline-offset: 3px; }
.color-opts button[aria-pressed="true"] { outline: 2px solid var(--accent); }
.cap-opts { display: grid; gap: 12px; }
.cap-opts button, .size-opts button { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; background: transparent; color: var(--fg); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; font: 600 17px var(--font); cursor: pointer; text-align: left; }
.cap-opts button span, .size-opts button span { font-weight: 400; font-size: 14px; color: var(--fg-soft); }
.cap-opts button[aria-pressed="true"], .size-opts button[aria-pressed="true"] { border: 2px solid var(--accent); padding: 15px 17px; }
.size-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.summary { background: var(--bg-alt); border-radius: 18px; padding: 24px; display: grid; gap: 12px; margin-top: 8px; }
.summary .total { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.summary small { color: var(--fg-soft); font-size: 12px; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 980px; }
.qty button { background: none; border: 0; color: var(--fg); font-size: 18px; width: 34px; height: 32px; cursor: pointer; }
.qty span { min-width: 22px; text-align: center; font-variant-numeric: tabular-nums; }

/* Tech specs */
.specs { margin-top: 32px; }
.spec-row { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: 24px; padding-block: 26px; border-top: 1px solid var(--line); }
@media (max-width: 640px) { .spec-row { grid-template-columns: minmax(0, 1fr); gap: 8px; } }
.spec-row h4 { margin: 0; font-size: 21px; font-weight: 600; }
.spec-row ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 17px; }
.spec-row li::before { content: ""; }
.spec-row li { padding-left: 0; }
.spec-note { font-size: 12px; color: var(--fg-soft); margin-top: 24px; }

/* Compare */
.cmp-pick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 32px; }
@media (max-width: 734px) { .cmp-pick { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cmp-pick > :nth-child(3), .cmp-col:nth-child(3) { display: none !important; } }
.cmp-pick select { width: 100%; font: 400 17px var(--font); padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.cmp-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 734px) { .cmp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.cmp-col { display: grid; gap: 0; align-content: start; text-align: center; min-width: 0; }
.cmp-col .art { height: 200px; display: flex; justify-content: center; align-items: flex-end; margin-block: 24px 12px; }
.cmp-col .art svg { height: 100%; width: auto; }
.cmp-cell { border-top: 1px solid var(--line); padding: 18px 4px; font-size: 14px; min-height: 92px; }
.cmp-cell b { display: block; font-size: 17px; margin-bottom: 4px; }
.cmp-label { grid-column: 1 / -1; font-size: 24px; font-weight: 600; text-align: left; padding-block: 36px 6px; }

/* Bag */
.bag-item { display: grid; grid-template-columns: 110px minmax(0, 1fr) auto; gap: 24px; padding-block: 28px; border-top: 1px solid var(--line); align-items: start; }
@media (max-width: 640px) { .bag-item { grid-template-columns: 72px minmax(0, 1fr); } .bag-item .bag-price { grid-column: 2; } }
.bag-item .art { height: 120px; display: flex; justify-content: center; }
.bag-item .art svg { height: 100%; width: auto; }
.bag-item h3 { font-size: 21px; }
.bag-item .meta { color: var(--fg-soft); font-size: 14px; margin-top: 4px; }
.bag-price { text-align: right; display: grid; gap: 10px; justify-items: end; font-size: 21px; font-weight: 600; font-variant-numeric: tabular-nums; }
.linkbtn { background: none; border: 0; color: var(--accent-ink); font: 400 14px var(--font); cursor: pointer; padding: 0; }
.totals { border-top: 1px solid var(--line); padding-top: 24px; display: grid; gap: 10px; max-width: 420px; margin-left: auto; font-variant-numeric: tabular-nums; }
.totals div { display: flex; justify-content: space-between; gap: 16px; }
.totals .grand { font-size: 24px; font-weight: 600; border-top: 1px solid var(--line); padding-top: 14px; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.form .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form { grid-template-columns: minmax(0, 1fr); } }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--fg-soft); }
.form input, .form select, .form textarea { font: 400 17px var(--font); padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); width: 100%; }
.order-box { background: var(--bg-alt); border-radius: 18px; padding: 22px; margin-top: 20px; }
.order-box pre { white-space: pre-wrap; word-break: break-word; font: 14px/1.5 ui-monospace, Menlo, monospace; margin: 0 0 14px; }
.empty { text-align: center; padding-block: 60px; display: grid; gap: 14px; justify-items: center; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 12px 20px; border-radius: 14px; font-size: 15px; z-index: 80; box-shadow: 0 10px 30px rgba(0,0,0,.25); max-width: calc(100% - 32px); }

/* Footer */
.gf { background: var(--bg-alt); color: var(--fg-soft); font-size: 12px; line-height: 1.33; padding-block: 18px 28px; }
.gf .wrap > * + * { margin-top: 14px; }
.gf-notes { border-bottom: 1px solid var(--line); padding-bottom: 16px; display: grid; gap: 10px; }
.gf-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; padding-block: 8px; }
.gf-cols h5 { margin: 0 0 8px; color: var(--fg); font-size: 12px; font-weight: 600; }
.gf-cols a { display: block; color: var(--fg-soft); padding-block: 3px; }
.gf-legal { border-top: 1px solid var(--line); padding-top: 14px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }