:root {
  color-scheme: dark;
  --ink: #050506;
  --ink-soft: #0a0b0e;
  --paper: #f5f7fa;
  --muted: #a4abb5;
  --line: rgba(245, 247, 250, 0.16);
  --cool: #43d9ff;
  --warm: #ff9e2a;
  --content: min(1120px, calc(100% - 48px));
  --reading: 720px;
  --scroll-shift: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  width: 100%;
  min-height: 100%;
  background: var(--ink);
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}

body {
  width: 100%;
  min-height: 100%;
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 0 45%, rgba(31, 119, 148, 0.08), transparent 28rem),
    radial-gradient(circle at 100% 72%, rgba(164, 86, 19, 0.08), transparent 30rem),
    var(--ink);
  color: var(--paper);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

main {
  width: 100%;
}

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

a {
  color: inherit;
  text-decoration-color: rgba(67, 217, 255, 0.56);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  transition: color 180ms ease, text-decoration-color 180ms ease, filter 180ms ease;
}

a:hover {
  color: #fff;
  text-decoration-color: var(--cool);
}

a:focus-visible,
button:focus-visible {
  border-radius: 4px;
  outline: 3px solid var(--cool);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid rgba(245, 247, 250, 0.1);
  background: linear-gradient(to bottom, rgba(5, 5, 6, 0.78), rgba(5, 5, 6, 0));
}

.nav-shell {
  width: var(--content);
  min-height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--paper);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 11px;
  height: 11px;
  margin-right: 10px;
  border: 1px solid rgba(245, 247, 250, 0.72);
  box-shadow: -3px 0 10px var(--cool), 3px 0 10px var(--warm);
  transform: rotate(45deg);
}

.site-nav ul {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  min-height: 44px;
  padding: 0 12px;
  align-items: center;
  color: #c9ced5;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  align-items: center;
  isolation: isolate;
}

.hero-media,
.hero-media::after,
.hero-veil,
.ambient-light {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -4;
  margin: 0;
  animation: image-resolve 1.15s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  dynamic-range-limit: no-limit;
}

.hero-veil {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(5, 5, 6, 0.97) 0%, rgba(5, 5, 6, 0.82) 25%, rgba(5, 5, 6, 0.25) 52%, rgba(5, 5, 6, 0.1) 100%),
    linear-gradient(0deg, rgba(5, 5, 6, 0.78) 0%, transparent 34%, rgba(5, 5, 6, 0.24) 100%);
}

.ambient-light {
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at calc(10% + var(--scroll-shift) * 6%), 55%, rgba(67, 217, 255, 0.16), transparent 26%),
    radial-gradient(circle at calc(92% - var(--scroll-shift) * 6%), 58%, rgba(255, 158, 42, 0.15), transparent 28%);
  mix-blend-mode: screen;
  transform: translate3d(calc(var(--scroll-shift) * 18px), calc(var(--scroll-shift) * 8px), 0);
  will-change: transform;
}

.hero-copy {
  width: var(--content);
  margin: 0 auto;
  padding-top: 92px;
}

.hero-copy-inner {
  max-width: 630px;
  animation: copy-rise 850ms 130ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--cool);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.04;
  text-wrap: balance;
}

h1 {
  max-width: 700px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7.3vw, 6.85rem);
  font-weight: 660;
  letter-spacing: -0.065em;
}

.hero-lede {
  max-width: 580px;
  margin-bottom: 32px;
  color: #c0c6ce;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions,
.final-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.status-label {
  display: inline-flex;
  min-height: 44px;
  padding: 0 18px;
  align-items: center;
  border: 1px solid rgba(245, 247, 250, 0.28);
  border-radius: 999px;
  background: rgba(5, 5, 6, 0.4);
  color: var(--paper);
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-weight: 650;
}

.text-link::after {
  content: "\2198";
  margin-left: 9px;
  color: var(--cool);
  transition: transform 180ms ease;
}

.text-link:hover::after {
  transform: translate(2px, 2px);
}

.section {
  position: relative;
  padding: clamp(104px, 14vw, 190px) 0;
}

.section-shell {
  width: var(--content);
  margin: 0 auto;
}

.section-heading {
  max-width: 860px;
  margin-bottom: clamp(48px, 7vw, 88px);
  font-size: clamp(2.5rem, 5vw, 5.4rem);
  font-weight: 620;
  letter-spacing: -0.055em;
}

.why {
  overflow: hidden;
}

.why::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 10%;
  right: -18rem;
  width: 40rem;
  height: 40rem;
  border-radius: 50%;
  background: rgba(255, 158, 42, 0.07);
  filter: blur(90px);
}

.why-story {
  display: grid;
  padding-top: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--line);
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(40px, 8vw, 112px);
}

.why-opening {
  max-width: 410px;
  margin-bottom: 0;
  color: var(--paper);
  font-size: clamp(1.2rem, 2.1vw, 1.55rem);
  font-weight: 590;
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.why-copy {
  max-width: 760px;
  margin-left: 0;
  color: #c3c8cf;
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  line-height: 1.7;
}

.why-copy p:last-child,
.document-copy p:last-child {
  margin-bottom: 0;
}

.section-kicker {
  margin-bottom: 14px;
  color: #858e99;
  font-size: 0.72rem;
  font-weight: 720;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.evidence-block {
  margin-top: clamp(104px, 14vw, 176px);
  padding-top: clamp(36px, 5vw, 60px);
  border-top: 1px solid var(--line);
}

.evidence-intro {
  display: grid;
  margin-bottom: clamp(44px, 7vw, 76px);
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  align-items: start;
  gap: clamp(40px, 8vw, 112px);
}

.evidence-intro h3,
.workflow-intro h3,
.iphone-benefit h3 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 3.6vw, 3.5rem);
  font-weight: 590;
  letter-spacing: -0.045em;
}

.evidence-list,
.workflow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.evidence-list {
  border-top: 1px solid var(--line);
}

.evidence-list li {
  display: grid;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 22px;
}

.evidence-number {
  padding-top: 0.25rem;
  color: #777f89;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
}

.evidence-list h4,
.workflow-steps h4 {
  margin: 0 0 10px;
  color: var(--paper);
  font-size: clamp(1.12rem, 1.8vw, 1.35rem);
  font-weight: 620;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.evidence-list p {
  max-width: 780px;
  margin-bottom: 0;
  color: #aeb5be;
  font-size: 0.95rem;
}

.evidence-list a,
.evidence-footnote a,
.workflow a {
  color: #d0d6dd;
}

.evidence-footnote {
  max-width: 790px;
  margin: 30px 0 0 94px;
  color: #7f8893;
  font-size: 0.76rem;
  line-height: 1.65;
}

.workflow {
  margin-top: clamp(116px, 16vw, 204px);
  padding: clamp(40px, 6vw, 72px);
  border: 1px solid rgba(245, 247, 250, 0.18);
  background:
    radial-gradient(circle at 90% 12%, rgba(67, 217, 255, 0.08), transparent 28rem),
    rgba(255, 255, 255, 0.018);
}

.workflow-intro {
  display: grid;
  margin-bottom: clamp(44px, 7vw, 72px);
  grid-template-columns: minmax(220px, 0.85fr) minmax(280px, 1.15fr);
  gap: 24px clamp(36px, 7vw, 88px);
}

.workflow-intro .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -4px;
}

.workflow-intro > p:last-child {
  max-width: 520px;
  margin-bottom: 0;
  color: #aeb5be;
}

.workflow-steps {
  display: grid;
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.workflow-steps li {
  display: grid;
  min-height: 180px;
  padding: 30px 34px 30px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
}

.workflow-steps li:nth-child(odd) {
  padding-right: clamp(32px, 5vw, 62px);
  border-right: 1px solid var(--line);
}

.workflow-steps li:nth-child(even) {
  padding-left: clamp(32px, 5vw, 62px);
}

.workflow-number {
  display: grid;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(67, 217, 255, 0.48);
  border-radius: 50%;
  place-items: center;
  color: var(--cool);
  font-size: 0.7rem;
  font-weight: 720;
}

.workflow-steps p {
  margin-bottom: 0;
  color: #9fa7b1;
  font-size: 0.9rem;
  line-height: 1.6;
}

.workflow-tip {
  max-width: 760px;
  margin: 38px 0 0;
  color: #8f98a3;
  font-size: 0.8rem;
}

.workflow-tip strong {
  color: #c9ced5;
}

.iphone-benefit {
  max-width: 760px;
  margin: clamp(96px, 13vw, 160px) 0 0 auto;
  padding-left: clamp(26px, 4vw, 52px);
  border-left: 2px solid var(--warm);
}

.iphone-benefit h3 {
  margin-bottom: 24px;
}

.iphone-benefit > p:last-child {
  margin-bottom: 0;
  color: #aeb5be;
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

/* In-browser HDR comparison */
.hdr-demo {
  position: relative;
  overflow: hidden;
  padding: clamp(104px, 12vw, 168px) 0 clamp(88px, 10vw, 140px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 44%, rgba(255, 158, 42, 0.08), transparent 34rem),
    #030304;
}

.hdr-demo-intro {
  display: grid;
  margin-bottom: clamp(44px, 7vw, 76px);
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(36px, 7vw, 96px);
}

.hdr-demo-intro .section-heading {
  max-width: 800px;
  margin-bottom: 0;
}

.hdr-demo-lede {
  color: #b9c0c9;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

.hdr-demo-lede > p:first-child {
  margin-bottom: 28px;
}

.hdr-capability-dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ff5d5d;
  box-shadow: 0 0 18px rgba(255, 93, 93, 0.58);
}

.hdr-status-high {
  display: none;
}

.hdr-path-check {
  display: grid;
  margin-bottom: clamp(44px, 6vw, 68px);
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid rgba(245, 247, 250, 0.26);
  border-bottom: 1px solid rgba(245, 247, 250, 0.26);
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1.15fr);
  align-items: start;
  gap: clamp(36px, 7vw, 88px);
}

.hdr-path-result {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.hdr-path-result .hdr-capability-dot {
  margin-top: 7px;
}

.hdr-path-kicker {
  margin-bottom: 8px;
  color: #858e99;
  font-size: 0.68rem;
  font-weight: 720;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hdr-path-result h3 {
  max-width: 470px;
  margin-bottom: 0;
  font-size: clamp(1.45rem, 2.8vw, 2.5rem);
  font-weight: 610;
  letter-spacing: -0.04em;
}

.hdr-path-explanation > p {
  max-width: 620px;
  margin-bottom: 0;
  color: #c1c7cf;
  font-size: clamp(0.94rem, 1.4vw, 1.08rem);
}

.hdr-path-help {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #929ba6;
  font-size: 0.78rem;
}

.hdr-path-help summary {
  min-height: 44px;
  color: #d0d5dc;
  font-weight: 680;
  cursor: pointer;
}

.hdr-path-help summary::marker {
  color: var(--cool);
}

.hdr-path-help ul {
  margin: 12px 0 18px;
  padding-left: 20px;
}

.hdr-path-help li {
  margin-bottom: 8px;
}

.hdr-path-help p {
  margin-bottom: 0;
}

.hdr-path-help a {
  color: #c6cdd5;
}

.hdr-path-help code {
  color: #cbd2d9;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.94em;
}

.hdr-comparison {
  margin: 0;
}

.hdr-stage {
  --hdr-position: 50%;
  position: relative;
  overflow: hidden;
  aspect-ratio: 400 / 267;
  border: 1px solid rgba(245, 247, 250, 0.22);
  background: #090807;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.5),
    0 0 80px rgba(255, 158, 42, 0.055);
  isolation: isolate;
}

.hdr-stage:focus-within {
  outline: 2px solid rgba(67, 217, 255, 0.72);
  outline-offset: 4px;
}

.hdr-image,
.hdr-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hdr-image {
  object-fit: cover;
}

.hdr-layer {
  z-index: 1;
  clip-path: inset(0 0 0 var(--hdr-position));
  will-change: clip-path;
}

.hdr-image-hdr {
  dynamic-range-limit: no-limit;
}

.hdr-label {
  position: absolute;
  z-index: 3;
  top: 18px;
  padding: 7px 10px;
  background: rgba(3, 3, 4, 0.72);
  color: rgba(245, 247, 250, 0.86);
  font-size: 0.7rem;
  font-weight: 720;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hdr-label-sdr {
  left: 18px;
}

.hdr-label-hdr {
  right: 18px;
}

.hdr-divider {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: var(--hdr-position);
  width: 1px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.38);
  pointer-events: none;
  transform: translateX(-50%);
}

.hdr-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(5, 5, 6, 0.78);
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.42);
  transform: translate(-50%, -50%);
}

.hdr-slider {
  position: absolute;
  z-index: 5;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}

.hdr-comparison figcaption {
  max-width: 830px;
  margin: 22px 0 0;
  color: #858e99;
  font-size: 0.78rem;
  line-height: 1.6;
}

.hdr-caveats {
  margin-top: clamp(68px, 9vw, 112px);
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.hdr-caveats h3 {
  margin-bottom: 28px;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.hdr-caveat-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.hdr-caveat-list p {
  margin: 0;
  padding: 0 30px;
  border-left: 1px solid var(--line);
  color: #858e99;
  font-size: 0.76rem;
  line-height: 1.65;
}

.hdr-caveat-list p:first-child {
  padding-left: 0;
  border-left: 0;
}

.hdr-caveat-list p:last-child {
  padding-right: 0;
}

.hdr-caveat-list strong {
  color: #c9ced5;
  font-weight: 700;
}

.hdr-caveat-list a {
  color: #b8c0ca;
}

.features {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.012);
}

.feature-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.feature-row {
  display: grid;
  min-height: 168px;
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 72px minmax(210px, 0.75fr) minmax(300px, 1.25fr);
  align-items: baseline;
  gap: 28px;
  transition: border-color 180ms ease, background 180ms ease;
}

.feature-row:hover {
  border-bottom-color: rgba(67, 217, 255, 0.44);
  background: linear-gradient(90deg, rgba(67, 217, 255, 0.035), transparent 55%);
}

.feature-number {
  color: #777f89;
  font-size: 0.74rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
}

.feature-row h3 {
  margin-bottom: 0;
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.feature-row p {
  max-width: 590px;
  margin-bottom: 0;
  color: var(--muted);
}

.privacy-statement {
  max-width: 820px;
  margin: 64px 0 0 auto;
  padding-left: 24px;
  border-left: 2px solid var(--cool);
  color: #cbd0d6;
  font-size: 1.08rem;
}

.final-cta {
  overflow: hidden;
  border-top: 1px solid var(--line);
  text-align: center;
}

.final-cta::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: 15%;
  bottom: -18rem;
  left: 15%;
  height: 28rem;
  background: linear-gradient(90deg, rgba(67, 217, 255, 0.1), rgba(255, 158, 42, 0.1));
  filter: blur(100px);
}

.final-cta .section-heading {
  max-width: 900px;
  margin-right: auto;
  margin-bottom: 36px;
  margin-left: auto;
}

.final-actions {
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: #858d98;
  font-size: 0.82rem;
}

.footer-shell {
  width: var(--content);
  min-height: 112px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-shell p {
  margin-bottom: 0;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-nav a {
  display: inline-flex;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
}

/* Document pages */
.document-page .site-header {
  background: rgba(5, 5, 6, 0.88);
  backdrop-filter: blur(18px);
}

.document-hero {
  position: relative;
  overflow: hidden;
  padding: 184px 0 92px;
  border-bottom: 1px solid var(--line);
}

.document-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -14rem;
  right: -8rem;
  width: 36rem;
  height: 36rem;
  border-radius: 50%;
  background: rgba(67, 217, 255, 0.08);
  filter: blur(85px);
}

.document-hero h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 6.4rem);
}

.document-intro {
  max-width: 740px;
  margin-bottom: 0;
  color: #b7bec7;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.effective-date {
  display: inline-block;
  margin-top: 28px;
  color: var(--cool);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.document-section {
  padding: clamp(80px, 10vw, 132px) 0;
}

.document-copy {
  max-width: var(--reading);
  color: #c3c8cf;
}

.document-copy > p {
  margin-bottom: 28px;
}

.document-copy h2 {
  margin: 76px 0 20px;
  color: var(--paper);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 610;
  letter-spacing: -0.035em;
}

.document-copy h2:first-child {
  margin-top: 0;
}

.document-copy ul {
  margin: 32px 0 60px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.document-copy li {
  padding: 22px 0 22px 28px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.document-copy li::before {
  content: "";
  position: absolute;
  top: 2.05em;
  left: 2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cool);
  box-shadow: 0 0 14px rgba(67, 217, 255, 0.7);
}

.contact-line {
  margin: 42px 0;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.18rem, 2.4vw, 1.6rem);
}

.contact-line a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-weight: 650;
}

.privacy-note {
  margin-top: 72px;
  padding-left: 24px;
  border-left: 2px solid var(--warm);
  color: #b8bec6;
}

.error-page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 100px 24px;
  text-align: center;
}

.error-page h1 {
  margin-bottom: 18px;
}

.error-page p {
  max-width: 540px;
  color: var(--muted);
}

.error-page .text-link {
  justify-content: center;
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes image-resolve {
  from {
    opacity: 0.58;
    filter: blur(7px) brightness(0.7);
    transform: scale(1.015);
  }
  to {
    opacity: 1;
    filter: blur(0) brightness(1);
    transform: scale(1);
  }
}

@keyframes copy-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  :root {
    --content: min(100% - 32px, 1120px);
  }

  body {
    font-size: 16px;
  }

  .nav-shell {
    min-height: 72px;
    align-items: flex-start;
    padding-top: 12px;
  }

  .site-nav ul {
    justify-content: flex-end;
    gap: 0;
  }

  .site-nav li:nth-child(-n + 2) {
    display: none;
  }

  .site-nav a {
    padding: 0 8px;
  }

  .hero {
    min-height: 100svh;
    align-items: end;
  }

  .hero-media img {
    object-position: 62% center;
  }

  .hero-veil {
    background:
      linear-gradient(0deg, rgba(5, 5, 6, 0.98) 8%, rgba(5, 5, 6, 0.84) 46%, rgba(5, 5, 6, 0.18) 78%, rgba(5, 5, 6, 0.35) 100%),
      linear-gradient(90deg, rgba(5, 5, 6, 0.62), transparent 70%);
  }

  .hero-copy {
    padding: 126px 0 max(56px, env(safe-area-inset-bottom));
  }

  .hero-copy-inner {
    max-width: 540px;
  }

  .eyebrow {
    margin-bottom: 16px;
  }

  h1 {
    margin-bottom: 18px;
    font-size: clamp(2.85rem, 14vw, 4.7rem);
  }

  .hero-lede {
    margin-bottom: 24px;
    font-size: 1rem;
  }

  .section {
    padding: 92px 0;
  }

  .section-heading {
    margin-bottom: 48px;
    font-size: clamp(2.35rem, 11vw, 4.2rem);
  }

  .why-story,
  .evidence-intro,
  .workflow-intro {
    display: block;
  }

  .why-opening {
    margin-bottom: 34px;
  }

  .evidence-block {
    margin-top: 92px;
  }

  .evidence-intro h3 {
    margin-bottom: 38px;
  }

  .evidence-list li {
    padding: 28px 0;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
  }

  .evidence-footnote {
    margin-left: 48px;
  }

  .workflow {
    width: calc(100% + 32px);
    margin-top: 96px;
    margin-left: -16px;
    padding: 48px 16px;
    border-right: 0;
    border-left: 0;
  }

  .workflow-intro h3 {
    margin-bottom: 24px;
  }

  .workflow-steps {
    display: block;
  }

  .workflow-steps li,
  .workflow-steps li:nth-child(odd),
  .workflow-steps li:nth-child(even) {
    min-height: auto;
    padding: 28px 0;
    border-right: 0;
  }

  .iphone-benefit {
    margin-top: 92px;
  }

  .hdr-demo {
    padding: 92px 0 84px;
  }

  .hdr-demo-intro {
    display: block;
    margin-bottom: 42px;
  }

  .hdr-demo-intro .section-heading {
    margin-bottom: 30px;
  }

  .hdr-stage {
    width: calc(100% + 32px);
    margin-left: -16px;
    border-right: 0;
    border-left: 0;
  }

  .hdr-path-check {
    display: block;
    padding: 28px 0;
  }

  .hdr-path-result {
    margin-bottom: 24px;
  }

  .hdr-label {
    top: 10px;
    padding: 5px 7px;
    font-size: 0.59rem;
  }

  .hdr-label-sdr {
    left: 10px;
  }

  .hdr-label-hdr {
    right: 10px;
  }

  .hdr-divider span {
    width: 44px;
    height: 44px;
  }

  .hdr-comparison figcaption {
    margin-top: 18px;
  }

  .hdr-caveats {
    margin-top: 68px;
  }

  .hdr-caveat-list {
    display: block;
  }

  .hdr-caveat-list p,
  .hdr-caveat-list p:first-child,
  .hdr-caveat-list p:last-child {
    padding: 22px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hdr-caveat-list p:first-child {
    border-top: 0;
  }

  .feature-row {
    min-height: auto;
    grid-template-columns: 36px 1fr;
    gap: 10px 14px;
  }

  .feature-number {
    grid-row: 1 / span 2;
  }

  .feature-row p {
    grid-column: 2;
  }

  .privacy-statement {
    margin-top: 48px;
  }

  .footer-shell {
    padding: 30px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .footer-nav {
    gap: 18px;
  }

  .document-hero {
    padding: 142px 0 70px;
  }

  .document-section {
    padding: 72px 0 96px;
  }

  .document-copy h2 {
    margin-top: 60px;
  }
}

@media (max-width: 390px) {
  .brand {
    font-size: 0.9rem;
  }

  .brand-mark {
    margin-right: 8px;
  }

  .site-nav a {
    font-size: 0.78rem;
    padding: 0 6px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .ambient-light,
  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (dynamic-range: high) {
  .hdr-status-standard {
    display: none;
  }

  .hdr-status-high {
    display: inline;
  }

  p.hdr-status-high {
    display: block;
  }

  .hdr-capability-dot {
    background: #4ade80;
    box-shadow: 0 0 22px rgba(74, 222, 128, 0.72);
  }
}