/* ============================================================
   Fairphone 6 — concept landing page
   Editorial, warm-paper base with pine/ink dark sections,
   lime accent, Space Grotesk display + Inter body.
   ============================================================ */

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('../fonts/spacegrotesk-400-normal-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal; font-weight: 500; font-display: swap;
  src: url('../fonts/spacegrotesk-500-normal-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('../fonts/spacegrotesk-600-normal-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal; font-weight: 700; font-display: swap;
  src: url('../fonts/spacegrotesk-700-normal-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('../fonts/inter-400-normal-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal; font-weight: 500; font-display: swap;
  src: url('../fonts/inter-500-normal-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('../fonts/inter-600-normal-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('../fonts/fraunces-600-normal-latin.woff2') format('woff2');
}

:root {
  --paper: #F5F1E8;
  --paper-2: #ECE7DA;
  --ink: #17191B;
  --ink-soft: #3C4145;
  --pine: #1F4A38;
  --pine-deep: #143327;
  --lime: #D9F24F;
  --cobalt: #2B49D6;
  --line: rgba(23, 25, 27, 0.16);
  --line-light: rgba(245, 241, 232, 0.22);
  --radius: 18px;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

::selection { background: var(--lime); color: var(--ink); }

/* ---------- accessibility helpers ---------- */
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 200;
  background: var(--ink); color: var(--paper);
  padding: 0.75rem 1.25rem; border-radius: 8px;
  font-weight: 600; text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus-visible { top: 1rem; }

:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- type scale ---------- */
.display-xl, .display-lg, .display-md, .display-sm {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
}
.display-xl { font-size: clamp(2.9rem, 7.2vw, 5.6rem); }
.display-lg { font-size: clamp(2.2rem, 5.2vw, 4rem); }
.display-md { font-size: clamp(1.6rem, 3.2vw, 2.4rem); line-height: 1.1; }
.display-sm { font-size: clamp(1.3rem, 2.4vw, 1.7rem); line-height: 1.15; }

.display-xl em, .display-lg em, .display-md em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.lede { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.55; color: var(--ink-soft); }

/* ---------- layout primitives ---------- */
.wrap { width: min(1160px, 100% - 3rem); margin-inline: auto; }
.section { padding: clamp(5rem, 11vw, 9rem) 0; position: relative; }

.section-tag {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pine);
  display: inline-flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.4rem;
}
.section-tag::before {
  content: ""; width: 2.2rem; height: 2px; background: currentColor;
}
.section-tag-light { color: var(--lime); }

.section-intro { max-width: 42rem; margin-top: 1.6rem; font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--ink-soft); }
.section-intro-light { color: rgba(245, 241, 232, 0.82); }

.section-head { margin-bottom: 2rem; }

/* ---------- buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-weight: 600;
  font-size: 1rem; text-decoration: none;
  padding: 0.95rem 1.6rem; border-radius: 999px;
  border: 2px solid var(--ink);
  transition: transform 0.25s cubic-bezier(.2,.7,.3,1.4), background 0.2s, color 0.2s, box-shadow 0.25s;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--pine); border-color: var(--pine); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(23,25,27,.18); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--lime); transform: translateY(-2px); }
.btn-small { padding: 0.55rem 1.1rem; font-size: 0.9rem; border-width: 0; }
.btn-price { opacity: 0.75; font-weight: 500; }

.text-link {
  color: var(--pine); font-weight: 600; text-decoration: none;
  border-bottom: 2px solid var(--lime);
  transition: background 0.2s;
}
.text-link:hover { background: var(--lime); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1rem, 3vw, 2rem);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.wordmark {
  font-family: var(--font-display); font-weight: 700; font-size: 1.35rem;
  letter-spacing: -0.03em; color: var(--ink); text-decoration: none;
}
.wordmark sup { color: var(--pine); }

.main-nav { display: flex; gap: clamp(1rem, 2.4vw, 2rem); }
.main-nav a {
  color: var(--ink-soft); text-decoration: none; font-weight: 500; font-size: 0.95rem;
  position: relative; padding: 0.3rem 0;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--pine); transition: right 0.25s ease;
}
.main-nav a:hover::after, .main-nav a.is-current::after { right: 0; }
.main-nav a.is-current { color: var(--ink); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none; border: 2px solid var(--line); border-radius: 12px;
  cursor: pointer; padding: 0 10px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--ink); margin: 6px 0;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--header-h) + 2rem) 0 3rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60rem 40rem at 85% 20%, rgba(217, 242, 79, 0.35), transparent 60%),
    radial-gradient(50rem 40rem at -10% 90%, rgba(31, 74, 56, 0.12), transparent 55%);
  pointer-events: none;
}
.hero-inner {
  width: min(1240px, 100% - 3rem); margin-inline: auto;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
  position: relative;
}
.eyebrow {
  font-family: var(--font-display); font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.8rem;
  color: var(--pine); margin-bottom: 1.2rem;
}
.hero-copy .lede { margin: 1.6rem 0 2rem; max-width: 34rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero-facts {
  list-style: none; display: flex; flex-wrap: wrap; gap: 0 1.75rem;
  margin-top: 2.2rem; padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-display); font-weight: 500; font-size: 0.95rem;
  color: var(--ink-soft);
}
.hero-facts li { display: flex; align-items: center; gap: 0.5rem; }
.hero-facts li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--pine); }

.hero-visual { position: relative; }
.hero-stage { position: relative; aspect-ratio: 1; }
.hero-halo {
  position: absolute; inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, rgba(255,255,255,0) 68%);
  box-shadow: 0 40px 90px rgba(23,25,27,0.12);
}
.hero-phone {
  position: absolute; inset: 0; margin: auto;
  width: 100%; height: 100%; object-fit: contain;
  opacity: 0; transform: translateY(14px) scale(0.985);
  transition: opacity 0.45s ease, transform 0.6s cubic-bezier(.2,.7,.25,1);
}
.hero-phone.is-active { opacity: 1; transform: none; }

.hero-caption {
  position: absolute; left: 50%; bottom: -0.4rem; transform: translateX(-50%);
  font-family: var(--font-display); font-weight: 500; font-size: 0.9rem;
  color: var(--ink-soft); white-space: nowrap;
}

.swatches {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center; margin-top: 1.8rem;
}
.swatch {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 500; font-size: 0.88rem;
  color: var(--ink-soft);
  background: transparent; border: 1.5px solid var(--line);
  border-radius: 999px; padding: 0.5rem 0.95rem; cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.2s;
  min-height: 44px;
}
.swatch:hover { transform: translateY(-1px); border-color: var(--ink); color: var(--ink); }
.swatch.is-active { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.swatch-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--sw); box-shadow: inset 0 0 0 1px rgba(0,0,0,0.18); }

.scroll-cue {
  position: absolute; left: 50%; bottom: 1.4rem; transform: translateX(-50%);
  width: 30px; height: 48px; border: 2px solid var(--ink-soft); border-radius: 16px;
  display: flex; justify-content: center; padding-top: 8px;
}
.scroll-cue span { width: 4px; height: 9px; border-radius: 2px; background: var(--pine); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0%,100% { transform: translateY(0); opacity: 1; } 55% { transform: translateY(14px); opacity: 0.25; } }

/* ---------- answer section ---------- */
.answer { background: var(--paper); }
.answer .display-lg { max-width: 20ch; }
.answer-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  margin: 2.5rem 0 4rem;
}
.answer-lede {
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  line-height: 1.45; font-weight: 500;
  color: var(--ink);
}
.answer-lede strong { color: var(--pine); }

.pillars {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.pillar {
  padding: 2.2rem clamp(1.2rem, 2.5vw, 2.4rem) 2.4rem;
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 0.9rem;
  transition: background 0.3s;
}
.pillar:first-child { border-left: 0; padding-left: 0; }
.pillar:hover { background: var(--paper-2); }
.pillar-num {
  font-family: var(--font-display); font-weight: 700; font-size: 0.85rem;
  color: var(--pine); letter-spacing: 0.1em;
}
.pillar h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.45rem; letter-spacing: -0.02em; }
.pillar p { color: var(--ink-soft); flex: 1; }
.pillar .text-link { align-self: flex-start; }

/* ---------- repair section ---------- */
.repair { background: var(--paper-2); }

.explode-track { height: 320vh; position: relative; margin: -1rem 0 3rem; }
.explode-stage {
  position: sticky; top: 0;
  height: 100svh; overflow: hidden;
  display: grid; place-items: center;
}
.explode-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.35;
  mask-image: radial-gradient(closest-side at 50% 50%, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(closest-side at 50% 50%, #000 30%, transparent 85%);
}
.explode-halo {
  position: absolute; left: 50%; top: 50%;
  width: min(58vmin, 560px); aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, rgba(255,255,255,0) 70%);
  box-shadow: 0 30px 80px rgba(23,25,27,0.1);
}

.mod {
  position: absolute; left: 50%; top: 50%;
  width: var(--mod-size, 200px);
  margin: 0;
  will-change: transform;
}
.mod img { width: 100%; height: auto; filter: drop-shadow(0 18px 26px rgba(23,25,27,0.22)); }

.mod-label {
  position: absolute; left: 50%; top: 100%;
  transform: translateX(-50%);
  margin-top: 0.5rem;
  background: var(--ink); color: var(--paper);
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 500;
  padding: 0.35rem 0.7rem; border-radius: 999px;
  white-space: nowrap;
  display: flex; gap: 0.55rem; align-items: baseline;
  opacity: 0;
  transition: opacity 0.3s;
}
.mod-label span { color: var(--lime); font-weight: 600; }
.explode-stage.is-apart .mod-label { opacity: 1; }

.explode-count {
  position: absolute; left: 50%; top: clamp(4.5rem, 10vh, 7rem); transform: translateX(-50%);
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.4rem); letter-spacing: -0.01em;
  color: var(--ink);
  background: color-mix(in srgb, var(--paper-2) 80%, transparent);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.55rem 1.3rem;
  backdrop-filter: blur(6px);
}
.explode-count span { color: var(--pine); }
.explode-hint {
  position: absolute; left: 50%; bottom: clamp(1.5rem, 5vh, 3rem); transform: translateX(-50%);
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft);
  animation: hintpulse 2s ease-in-out infinite;
  transition: opacity 0.3s;
}
.explode-hint.is-hidden { animation: none; opacity: 0; }
@keyframes hintpulse { 0%,100% { opacity: 0.9; } 50% { opacity: 0.4; } }

/* splits */
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
  margin: clamp(3rem, 7vw, 6rem) 0;
}
.split-flip .split-media { order: 2; }
.split-media { border-radius: var(--radius); overflow: hidden; }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.split-copy p { color: var(--ink-soft); margin: 1.1rem 0; }

.tick-list { list-style: none; margin-top: 1rem; }
.tick-list li {
  padding: 0.55rem 0 0.55rem 2rem; position: relative;
  font-weight: 500; border-bottom: 1px dashed var(--line);
}
.tick-list li:last-child { border-bottom: 0; }
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: 0.9rem;
  width: 14px; height: 8px;
  border-left: 3px solid var(--pine); border-bottom: 3px solid var(--pine);
  transform: rotate(-45deg);
}

.badges { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }
.badge {
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 500;
  border: 1.5px solid var(--line); border-radius: 999px; padding: 0.5rem 1rem;
  background: var(--paper);
}
.badge strong { color: var(--pine); margin-right: 0.25rem; }

/* parts pricing bars */
.parts-pricing {
  margin: clamp(3rem, 7vw, 6rem) 0 0;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 3rem);
}
.parts-sub { color: var(--ink-soft); margin: 0.7rem 0 2rem; max-width: 40rem; }
.price-bars { list-style: none; display: grid; gap: 1.5rem; }
.price-bar { display: grid; grid-template-columns: 9.5rem 1fr; gap: 0.4rem 1.2rem; align-items: center; }
.pb-name { font-family: var(--font-display); font-weight: 600; }
.pb-track { display: grid; gap: 6px; }
.pb-fill {
  display: block; height: 14px; border-radius: 7px;
  width: calc(var(--w, 0) * 1%);
  transition: width 1.1s cubic-bezier(.25,.8,.25,1);
}
.pb-fp { --w: 0; background: var(--pine); }
.pb-avg { --w: 0; background: repeating-linear-gradient(-45deg, rgba(23,25,27,0.35) 0 6px, rgba(23,25,27,0.16) 6px 12px); }
.price-bar.is-on .pb-fp { width: calc(var(--fp) / var(--max) * 100%); }
.price-bar.is-on .pb-avg { width: calc(var(--avg) / var(--max) * 100%); }
.pb-nums { grid-column: 2; font-size: 0.92rem; color: var(--ink-soft); }
.pb-nums b { color: var(--ink); }
.pb-nums em { font-style: normal; color: var(--pine); font-weight: 600; margin-left: 0.4rem; }
.legend { display: flex; align-items: center; gap: 0.5rem; margin-top: 1.8rem; font-size: 0.88rem; color: var(--ink-soft); }
.legend-key { width: 22px; height: 12px; border-radius: 6px; display: inline-block; margin-left: 0.8rem; }
.legend-key:first-child { margin-left: 0; }
.legend-fp { background: var(--pine); }
.legend-avg { background: repeating-linear-gradient(-45deg, rgba(23,25,27,0.35) 0 5px, rgba(23,25,27,0.16) 5px 10px); }

/* ---------- longevity ---------- */
.longevity { background: var(--paper); }

.timeline { margin: clamp(3rem, 6vw, 5rem) 0; position: relative; }
.timeline-rail {
  position: absolute; left: 0; right: 0; top: 0.55rem;
  height: 3px; background: var(--line); border-radius: 2px;
}
.timeline-progress {
  display: block; height: 100%; width: 0;
  background: var(--pine); border-radius: 2px;
}
.timeline-items {
  list-style: none;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.2rem, 3vw, 2.4rem);
  padding-top: 2.4rem;
}
.tl-item { position: relative; }
.tl-item::before {
  content: ""; position: absolute; top: -2.4rem; left: 0;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--paper); border: 3px solid var(--pine);
  transform: translateY(calc(0.55rem - 7.5px));
}
.tl-year {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem); letter-spacing: -0.03em;
  color: var(--pine); display: block; margin-bottom: 0.4rem;
}
.tl-item h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; margin-bottom: 0.4rem; }
.tl-item p { font-size: 0.95rem; color: var(--ink-soft); }

.keep-calc {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  background: var(--pine); color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 4vw, 3.2rem);
}
.keep-copy p { color: rgba(245,241,232,0.8); margin-top: 0.8rem; }
.keep-widget label { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; display: block; margin-bottom: 1.1rem; }
.keep-widget output { color: var(--lime); font-size: 1.5em; padding: 0 0.15em; }
.keep-widget input[type="range"] {
  width: 100%; height: 44px;
  accent-color: var(--lime);
  cursor: pointer;
}
.keep-result { margin-top: 0.8rem; font-family: var(--font-display); font-size: 1.1rem; }
.keep-result strong { color: var(--lime); font-size: 1.7em; font-weight: 700; margin-right: 0.3rem; }
.keep-result span { color: rgba(245,241,232,0.65); font-size: 0.85rem; display: block; margin-top: 0.3rem; }

.cert-strip {
  display: flex; gap: clamp(1.5rem, 3vw, 2.5rem); align-items: center;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line); padding-top: 2.4rem;
}
.cert-strip img { flex: none; border-radius: 8px; box-shadow: 0 8px 22px rgba(23,25,27,0.12); }
.cert-strip p { color: var(--ink-soft); max-width: 46rem; }

/* ---------- materials (dark) ---------- */
.materials { background: var(--pine-deep); color: var(--paper); }
.materials .display-lg em { color: var(--lime); }

.materials-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem; margin: clamp(2.5rem, 5vw, 4rem) 0;
}
.material-card {
  border: 1px solid var(--line-light); border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: rgba(245,241,232,0.04);
  transition: background 0.3s, transform 0.3s;
}
.material-card:hover { background: rgba(245,241,232,0.08); transform: translateY(-3px); }
.material-feature { grid-row: span 1; background: rgba(217,242,79,0.08); border-color: rgba(217,242,79,0.35); }
.material-feature:hover { background: rgba(217,242,79,0.13); }
.material-badge { margin-bottom: 1.1rem; }
.material-card h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; margin-bottom: 0.7rem; letter-spacing: -0.01em; }
.material-card p { color: rgba(245,241,232,0.78); font-size: 0.98rem; }
.big-num { color: var(--lime); }

.materials-photo { border-radius: var(--radius); overflow: hidden; position: relative; }
.materials-photo img { width: 100%; max-height: 620px; object-fit: cover; }
.materials-photo figcaption {
  position: absolute; left: 1.2rem; bottom: 1.2rem;
  background: rgba(20, 51, 39, 0.85); color: var(--paper);
  font-size: 0.88rem; padding: 0.55rem 1rem; border-radius: 999px;
  backdrop-filter: blur(6px);
}

/* ---------- impact (dark ink) ---------- */
.impact { background: var(--ink); color: var(--paper); }
.impact .section-intro { color: rgba(245,241,232,0.8); }

.stats-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem; margin: clamp(2.5rem, 5vw, 4rem) 0;
}
.stat {
  border-top: 2px solid var(--lime);
  padding-top: 1.2rem;
}
.stat-num {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.6rem, 5vw, 4rem); letter-spacing: -0.03em;
  color: var(--lime); display: inline-block;
}
.stat-unit { font-family: var(--font-display); font-weight: 600; margin-left: 0.4rem; }
.stat p { color: rgba(245,241,232,0.72); font-size: 0.95rem; margin-top: 0.7rem; }

.compare {
  background: rgba(245,241,232,0.05);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 3rem);
}
.compare-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 1.8rem; }
.compare-col { border-radius: 14px; padding: clamp(1.2rem, 2.5vw, 2rem); }
.compare-them { background: rgba(245,241,232,0.05); border: 1px dashed var(--line-light); }
.compare-us { background: var(--pine); }
.compare-col h4 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 1.1rem; }
.compare-col ul { list-style: none; }
.compare-col li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.6rem 0; border-bottom: 1px solid rgba(245,241,232,0.14);
  font-size: 0.95rem; color: rgba(245,241,232,0.8);
}
.compare-col li b { white-space: nowrap; color: var(--paper); }
.compare-total { border-bottom: 0 !important; padding-top: 1rem !important; font-weight: 600; }
.compare-total b { font-family: var(--font-display); font-size: 1.5rem; color: var(--paper); }
.compare-us .compare-total b { color: var(--lime); }
.compare-save { margin-top: 1.2rem; font-family: var(--font-display); font-size: 1.05rem; }
.compare-save strong { color: var(--lime); }
.footnote { font-size: 0.8rem; color: rgba(245,241,232,0.65); margin-top: 1.5rem; }

.impact-photo { margin-top: clamp(2.5rem, 5vw, 4rem); border-radius: var(--radius); overflow: hidden; }
.impact-photo img { width: 100%; max-height: 560px; object-fit: cover; }

/* ---------- phone (a great phone) ---------- */
.phone { background: var(--paper); }
.spec-chips {
  list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin: 2rem 0 clamp(2.5rem, 5vw, 4rem);
}
.spec-chips li {
  font-family: var(--font-display); font-weight: 500; font-size: 0.92rem;
  background: var(--paper-2); border: 1px solid var(--line);
  padding: 0.55rem 1.1rem; border-radius: 999px;
}

.camera-band {
  display: grid; grid-template-columns: 1.25fr 1fr; grid-template-areas: "wide closeup" "detail closeup";
  gap: 1.2rem; margin-bottom: clamp(3rem, 6vw, 5rem);
}
.cam-shot { border-radius: var(--radius); overflow: hidden; position: relative; }
.cam-wide { grid-area: wide; }
.cam-detail { grid-area: detail; }
.cam-shot img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s cubic-bezier(.2,.7,.2,1); }
.cam-shot:hover img { transform: scale(1.04); }
.cam-shot figcaption {
  position: absolute; left: 1rem; bottom: 1rem;
  background: rgba(23,25,27,0.82); color: var(--paper);
  font-size: 0.82rem; padding: 0.45rem 0.9rem; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.cam-closeup { grid-area: closeup; display: grid; place-items: center; background: var(--paper-2); border-radius: var(--radius); padding: 2rem; overflow: hidden; }
.cam-closeup img { max-width: 100%; max-height: 100%; width: auto; object-fit: contain; filter: drop-shadow(0 24px 40px rgba(23,25,27,0.25)); }

/* ---------- buy ---------- */
.buy { background: var(--paper-2); }
.buy-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.buy-visual { position: relative; aspect-ratio: 1; }
.buy-visual::before {
  content: ""; position: absolute; inset: 10%;
  border-radius: 50%; background: #fff;
  box-shadow: 0 40px 90px rgba(23,25,27,0.14);
}
.buy-phone {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  opacity: 0; transform: translateY(12px) scale(0.985);
  transition: opacity 0.45s ease, transform 0.6s cubic-bezier(.2,.7,.25,1);
}
.buy-phone.is-active { opacity: 1; transform: none; }
.buy-model { font-family: var(--font-display); font-size: 1.25rem; margin: 1.4rem 0 0.8rem; }
.buy-model strong { color: var(--pine); }
.buy .swatches { justify-content: flex-start; margin: 0 0 1.6rem; }
.buy-perks { list-style: none; margin-bottom: 2rem; }
.buy-perks li { padding: 0.5rem 0; border-bottom: 1px dashed var(--line); }
.buy-perks li:last-child { border-bottom: 0; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: var(--paper); padding: clamp(4rem, 8vw, 6rem) 0 3rem; }
.footer-recap {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.5rem, 3.4vw, 2.6rem); line-height: 1.2; letter-spacing: -0.02em;
  max-width: 22ch; margin-bottom: 3rem;
}
.footer-recap em { font-family: var(--font-serif); color: var(--lime); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; margin-bottom: 3rem; }
.footer-nav a { color: rgba(245,241,232,0.75); text-decoration: none; font-weight: 500; }
.footer-nav a:hover { color: var(--lime); }
.footer-legal { font-size: 0.85rem; color: rgba(245,241,232,0.5); border-top: 1px solid var(--line-light); padding-top: 1.6rem; }
.footer-legal a { color: rgba(245,241,232,0.75); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--rd, 0s); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { max-width: 520px; margin-inline: auto; width: 100%; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .pillar:first-child { border-top: 0; }
  .materials-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .camera-band { grid-template-columns: 1fr; grid-template-areas: "wide" "detail" "closeup"; }
  .timeline-items { grid-template-columns: repeat(2, 1fr); row-gap: 2.6rem; }
}

@media (max-width: 780px) {
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.5rem 1.2rem;
    transform: translateY(calc(-100% - var(--header-h) - 3rem));
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0s linear 0.3s;
    box-shadow: 0 20px 40px rgba(23,25,27,0.12);
  }
  .main-nav.is-open { transform: none; visibility: visible; transition: transform 0.3s ease; }
  .main-nav a { padding: 0.9rem 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .main-nav a:last-child { border-bottom: 0; }
  .nav-toggle { display: block; }
  .header-actions .btn-small { display: none; }

  .answer-grid { grid-template-columns: 1fr; }
  .split, .split-flip { grid-template-columns: 1fr; }
  .split-flip .split-media { order: 0; }
  .keep-calc { grid-template-columns: 1fr; }
  .compare-cols { grid-template-columns: 1fr; }
  .buy-grid { grid-template-columns: 1fr; }
  .buy-visual { max-width: 440px; margin-inline: auto; width: 100%; }
  .timeline-items { grid-template-columns: 1fr; }
  .timeline-rail { display: none; }
  .tl-item::before { display: none; }
  .tl-item { border-left: 3px solid var(--pine); padding-left: 1.2rem; }
  .price-bar { grid-template-columns: 1fr; }
  .pb-nums { grid-column: 1; }
  .cert-strip { flex-direction: column; align-items: flex-start; }
  .explode-track { height: 260vh; }
  .scroll-cue { display: none; }
  .mod-label { font-size: 0.66rem; padding: 0.28rem 0.55rem; gap: 0.4rem; margin-top: 0.15rem; }
  .explode-count { white-space: nowrap; font-size: 0.95rem; top: calc(var(--header-h) + 0.75rem); }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-phone, .buy-phone { transition: none; }
  .explode-track { height: auto; }
  .explode-stage { position: relative; height: auto; min-height: 100svh; }
}