:root {
  color-scheme: dark;
  --bg: oklch(0.105 0.018 238);
  --bg-deep: oklch(0.075 0.014 238);
  --surface: oklch(0.145 0.025 234);
  --surface-raised: oklch(0.19 0.035 229);
  --ink: oklch(0.975 0.012 220);
  --ink-soft: oklch(0.81 0.023 224);
  --ink-muted: oklch(0.67 0.025 225);
  --cyan: oklch(0.82 0.158 207);
  --cyan-bright: oklch(0.9 0.17 199);
  --cyan-deep: oklch(0.5 0.123 222);
  --coral: oklch(0.72 0.2 37);
  --line: oklch(0.4 0.045 225 / 0.58);
  --line-soft: oklch(0.65 0.035 223 / 0.2);
  --header-height: 76px;
  --container: min(1180px, calc(100vw - 48px));
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --z-sticky: 20;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 78% 4%, oklch(0.32 0.09 221 / 0.24), transparent 32%),
    radial-gradient(circle at 12% 36%, oklch(0.24 0.055 244 / 0.2), transparent 28%),
    var(--bg);
  content: "";
  pointer-events: none;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--cyan-bright);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--bg-deep);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: var(--z-sticky);
  display: flex;
  width: var(--container);
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid transparent;
  transform: translateX(-50%);
  transition:
    border-color 220ms ease,
    background-color 220ms ease,
    backdrop-filter 220ms ease;
}

.site-header.is-compact {
  border-color: var(--line-soft);
  background: oklch(0.08 0.018 238 / 0.86);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.brand img {
  border-radius: 10px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 48px);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.site-nav a,
.nav-download {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--cyan-bright);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.language-picker {
  position: relative;
}

.language-picker summary {
  list-style: none;
  cursor: pointer;
}

.language-picker summary::-webkit-details-marker {
  display: none;
}

.language-switch {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  transition: color 180ms ease;
}

.language-switch::after {
  width: 6px;
  height: 6px;
  margin: -3px 0 0 8px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

.language-picker[open] .language-switch::after {
  margin-top: 3px;
  transform: rotate(225deg);
}

.language-switch:hover {
  color: var(--ink);
}

.language-menu {
  position: absolute;
  top: calc(100% + 6px);
  inset-inline-end: 0;
  display: grid;
  min-width: 156px;
  max-height: min(440px, calc(100svh - var(--header-height) - 24px));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px;
  border: 1px solid var(--line-soft);
  background: oklch(0.105 0.018 238 / 0.96);
  box-shadow: 0 16px 36px oklch(0.03 0.01 238 / 0.45);
  backdrop-filter: blur(14px);
}

html[dir="rtl"] body {
  font-family: "Avenir Next", "Geeza Pro", "Noto Sans Arabic", system-ui, sans-serif;
}

html[dir="rtl"] .language-menu {
  text-align: right;
}

html[dir="rtl"] .button-primary svg {
  transform: scaleX(-1);
}

.language-menu a {
  display: flex;
  min-height: 40px;
  align-items: center;
  padding: 0 12px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.language-menu a:hover,
.language-menu a[aria-current="page"] {
  background: var(--surface-raised);
  color: var(--cyan-bright);
}

.nav-download {
  color: var(--cyan-bright);
  font-size: 0.86rem;
  font-weight: 700;
}

.nav-download::after {
  width: 40px;
  height: 1px;
  margin-left: 10px;
  background: currentColor;
  content: "";
  transform: scaleX(0.7);
  transform-origin: left;
  transition: transform 220ms var(--ease-out);
}

.nav-download:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  display: grid;
  width: var(--container);
  min-height: 100svh;
  margin: 0 auto;
  padding: calc(var(--header-height) + 72px) 0 76px;
  align-items: center;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.72fr);
  gap: clamp(48px, 8vw, 112px);
}

.hero-glow {
  position: absolute;
  top: 24%;
  right: 14%;
  z-index: -1;
  width: 46vw;
  height: 46vw;
  max-width: 680px;
  max-height: 680px;
  background: radial-gradient(circle, oklch(0.56 0.15 216 / 0.18), transparent 66%);
  transform: translate3d(var(--glow-x, 0), var(--glow-y, 0), 0);
  transition: transform 800ms var(--ease-out);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 670px;
  animation: hero-copy-in 900ms 80ms both var(--ease-out);
}

.signal-line,
.section-name,
.download-status {
  display: flex;
  align-items: center;
  color: var(--cyan);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.signal-line {
  margin: 0 0 26px;
}

.signal-dot {
  width: 7px;
  height: 7px;
  margin-right: 12px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 5px oklch(0.72 0.2 37 / 0.12);
  animation: signal-pulse 2.4s infinite ease-in-out;
}

.hero h1,
.manifesto h2,
.section-heading h2,
.memory-copy h2,
.workflow-intro h2,
.privacy-copy h2,
.download-section h2 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3.6rem, 6.3vw, 5.25rem);
}

.hero h1 span {
  display: inline-block;
  color: var(--cyan-bright);
}

html[lang^="en"] .hero h1 {
  max-width: none;
  font-size: clamp(3.6rem, 6vw, 5.25rem);
}

html[lang^="en"] .hero h1 span {
  white-space: nowrap;
}

html[lang^="en"] .memory-copy h2,
html[lang^="en"] .workflow-intro h2,
html[lang^="en"] .privacy-copy h2 {
  font-size: clamp(2.5rem, 4.2vw, 4rem);
}

.hero-lede {
  max-width: 62ch;
  margin: 32px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.03rem, 1.35vw, 1.18rem);
  line-height: 1.85;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  margin-top: 38px;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  transition:
    transform 200ms var(--ease-out),
    background-color 200ms ease,
    color 200ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.button-primary {
  background: var(--cyan-bright);
  color: var(--bg-deep);
}

.button-primary:hover {
  background: var(--ink);
}

.button-quiet {
  color: var(--ink-soft);
}

.button-quiet::after {
  width: 34px;
  height: 1px;
  background: var(--line);
  content: "";
}

.button-quiet:hover {
  color: var(--ink);
}

.hero-principles {
  display: flex;
  margin: 42px 0 0;
  padding: 0;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 26px;
  color: var(--ink-muted);
  font-size: 0.78rem;
  list-style: none;
}

.hero-principles li:not(:last-child)::after {
  display: inline-block;
  width: 3px;
  height: 3px;
  margin: 0 0 2px 26px;
  border-radius: 50%;
  background: var(--cyan-deep);
  content: "";
}

.hero-visual {
  position: relative;
  margin: 0;
  animation: hero-visual-in 1.1s 140ms both var(--ease-out);
}

.hero-visual::before {
  position: absolute;
  inset: 14% -8% -5% 18%;
  z-index: -1;
  background: oklch(0.35 0.12 218 / 0.2);
  filter: blur(46px);
  content: "";
}

.hero-visual > img {
  width: 100%;
  max-height: min(71svh, 760px);
  object-fit: cover;
  object-position: 50% 30%;
  clip-path: polygon(0 0, 92% 0, 100% 6%, 100% 100%, 8% 100%, 0 94%);
}

.hero-visual figcaption {
  position: absolute;
  right: -22px;
  bottom: 54px;
  display: flex;
  min-width: 278px;
  padding: 14px 16px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--cyan-deep);
  background: oklch(0.1 0.026 236 / 0.9);
  color: var(--ink-soft);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 0.64rem;
  letter-spacing: 0.1em;
}

.hero-visual figcaption span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-visual figcaption i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
}

.hero-visual figcaption strong {
  margin-left: 14px;
  color: var(--cyan-bright);
  font-size: 0.74rem;
}

.hero-corner {
  position: absolute;
  z-index: 2;
  width: 44px;
  height: 44px;
  pointer-events: none;
}

.corner-top {
  top: -12px;
  left: -12px;
  border-top: 1px solid var(--cyan-bright);
  border-left: 1px solid var(--cyan-bright);
}

.corner-bottom {
  right: -12px;
  bottom: -12px;
  border-right: 1px solid var(--coral);
  border-bottom: 1px solid var(--coral);
}

.manifesto {
  display: grid;
  width: var(--container);
  margin: 0 auto;
  padding: clamp(110px, 15vw, 190px) 0;
  border-top: 1px solid var(--line-soft);
  grid-template-columns: minmax(120px, 0.35fr) minmax(0, 1.65fr);
  gap: clamp(36px, 8vw, 112px);
}

.manifesto-index {
  margin: 12px 0 0;
  color: var(--coral);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
}

.manifesto h2 {
  max-width: 17ch;
  font-size: clamp(2.7rem, 5.2vw, 4.9rem);
}

.manifesto div > p {
  max-width: 66ch;
  margin: 36px 0 0;
  color: var(--ink-soft);
  font-size: 1.03rem;
  line-height: 1.9;
}

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

.record-section {
  padding: clamp(100px, 13vw, 160px) 0;
}

.section-heading {
  display: grid;
  margin-bottom: clamp(52px, 8vw, 88px);
  align-items: end;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(36px, 8vw, 110px);
}

.section-name {
  margin: 0 0 22px;
}

.section-name::before {
  width: 32px;
  height: 1px;
  margin-right: 12px;
  background: currentColor;
  content: "";
}

.section-heading h2,
.memory-copy h2,
.workflow-intro h2,
.privacy-copy h2 {
  font-size: clamp(2.65rem, 5vw, 4.6rem);
}

.section-heading > p {
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.85;
}

.record-frame {
  position: relative;
  margin: 0;
  background: var(--bg-deep);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
}

.record-frame::after {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  clip-path: inherit;
  content: "";
  pointer-events: none;
}

.record-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.record-frame figcaption {
  display: flex;
  min-height: 62px;
  padding: 0 30px;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
  color: var(--ink-muted);
  font-size: 0.74rem;
}

.record-frame figcaption span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.record-frame figcaption span::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  content: "";
}

.feature-rail {
  display: grid;
  margin-top: 62px;
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.feature-rail article {
  padding: 28px 0 0;
  padding-inline-end: 34px;
}

.feature-rail article + article {
  padding-inline-start: 34px;
  border-inline-start: 1px solid var(--line-soft);
}

.feature-rail h3,
.workflow h3 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 650;
}

.feature-rail p,
.workflow p {
  margin: 12px 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.memory-section {
  display: grid;
  min-height: 980px;
  padding: clamp(100px, 13vw, 160px) max(24px, calc((100vw - 1180px) / 2));
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 28% 48%, oklch(0.34 0.1 221 / 0.22), transparent 30%),
    var(--bg-deep);
  grid-template-columns: minmax(420px, 0.95fr) minmax(340px, 0.85fr);
  gap: clamp(60px, 9vw, 130px);
}

.memory-media {
  position: relative;
  height: min(790px, 76vw);
}

.phone-shot {
  position: absolute;
  top: 50%;
  width: min(390px, 72%);
  margin: 0;
  overflow: hidden;
  border-radius: 30px;
  background: var(--bg-deep);
  box-shadow: 0 8px 8px oklch(0 0 0 / 0.32);
}

.phone-shot img {
  width: 100%;
}

.phone-shot-back {
  right: 2%;
  opacity: 0.42;
  transform: translateY(-50%) rotate(4deg) scale(0.88);
}

.phone-shot-front {
  left: 2%;
  z-index: 2;
  transform: translateY(-50%) rotate(-2deg);
}

.memory-copy {
  position: relative;
  z-index: 3;
}

.memory-lede,
.privacy-copy > p {
  max-width: 62ch;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.9;
}

.capability-list {
  margin: 48px 0 0;
}

.capability-list > div {
  display: grid;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
  grid-template-columns: minmax(120px, 0.45fr) minmax(0, 1fr);
  gap: 28px;
}

.capability-list > div:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.capability-list dt {
  color: var(--cyan-bright);
  font-weight: 650;
}

.capability-list dd {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.workflow-section {
  display: grid;
  padding: clamp(110px, 14vw, 180px) 0;
  align-items: start;
  grid-template-columns: minmax(280px, 0.75fr) minmax(480px, 1.25fr);
  gap: clamp(54px, 10vw, 140px);
}

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

.workflow li {
  display: grid;
  padding: 24px 0 30px;
  border-top: 1px solid var(--line);
  grid-template-columns: 54px 1fr;
  gap: 22px;
}

.workflow li:last-child {
  border-bottom: 1px solid var(--line);
}

.workflow li > span {
  color: var(--coral);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.privacy-section {
  display: grid;
  padding: clamp(110px, 14vw, 180px) max(24px, calc((100vw - 1180px) / 2));
  background: oklch(0.165 0.05 225);
  grid-template-columns: minmax(340px, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(60px, 10vw, 140px);
}

.storage-spectrum {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.storage-spectrum > div {
  display: grid;
  padding: 26px 0;
  align-items: baseline;
  border-top: 1px solid var(--line);
  grid-template-columns: minmax(130px, 0.7fr) minmax(140px, 0.8fr) minmax(180px, 1.2fr);
  gap: 22px;
}

.storage-spectrum > div:last-child {
  border-bottom: 1px solid var(--line);
}

.storage-spectrum span {
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.storage-spectrum strong {
  color: var(--cyan-bright);
  font-size: 1.05rem;
}

.storage-spectrum p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.65;
}

.download-section {
  position: relative;
  display: flex;
  min-height: 840px;
  padding: clamp(110px, 14vw, 180px) 24px;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.download-section::before {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -2;
  width: min(900px, 92vw);
  height: min(900px, 92vw);
  background: radial-gradient(circle, oklch(0.38 0.12 215 / 0.28), transparent 66%);
  content: "";
  transform: translate(-50%, -50%);
}

.download-section > img {
  position: relative;
  z-index: 2;
  border-radius: 28px;
  box-shadow: 0 8px 8px oklch(0 0 0 / 0.35);
}

.download-status {
  margin: 28px 0 18px;
}

.download-status i {
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--coral);
}

.download-section h2 {
  max-width: 13ch;
  font-size: clamp(3rem, 6.2vw, 5.8rem);
}

.download-copy {
  max-width: 52ch;
  margin: 28px 0 0;
  color: var(--ink-soft);
  line-height: 1.85;
}

.button-download {
  min-width: 240px;
  min-height: 68px;
  margin-top: 34px;
  padding: 8px 24px;
  background: var(--ink);
  color: var(--bg-deep);
  text-align: left;
}

.button-download[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.56;
}

.button-download[aria-disabled="true"]:hover {
  transform: none;
}

.button-download svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
  stroke: none;
}

.button-download span {
  display: flex;
  flex-direction: column;
  font-size: 0.94rem;
  line-height: 1.2;
}

.button-download small {
  margin-bottom: 4px;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  opacity: 0.65;
}

.download-note {
  margin: 14px 0 0;
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.download-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  width: min(680px, 78vw);
  aspect-ratio: 1;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.download-orbit::before {
  position: absolute;
  inset: 18%;
  border: 1px solid oklch(0.7 0.12 211 / 0.12);
  border-radius: 50%;
  content: "";
}

.download-orbit span {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 6px oklch(0.82 0.158 207 / 0.08);
}

.download-orbit span:first-child {
  top: 15%;
  right: 17%;
}

.download-orbit span:last-child {
  bottom: 18%;
  left: 13%;
  background: var(--coral);
}

.site-footer {
  display: grid;
  width: var(--container);
  min-height: 128px;
  margin: 0 auto;
  align-items: center;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-muted);
  font-size: 0.78rem;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
}

.site-footer > p {
  margin: 0;
}

.site-footer > p:last-child {
  text-align: right;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.footer-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  transition: color 160ms ease;
}

.footer-links a:hover {
  color: var(--cyan-bright);
}

.footer-brand {
  font-size: 0.78rem;
}

@keyframes hero-copy-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-visual-in {
  from {
    opacity: 0;
    clip-path: inset(0 0 18% 0);
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    clip-path: inset(0);
    transform: translateY(0);
  }
}

@keyframes signal-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.38;
  }
}

@media (max-width: 980px) {
  :root {
    --container: min(100% - 40px, 780px);
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 80px);
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-visual {
    width: min(620px, 88%);
    margin: 10px 0 0 auto;
  }

  .manifesto {
    grid-template-columns: 90px 1fr;
  }

  .section-heading,
  .workflow-section,
  .privacy-section {
    grid-template-columns: 1fr;
  }

  .section-heading > p {
    max-width: 65ch;
  }

  .memory-section {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .memory-media {
    width: min(700px, 100%);
    height: 760px;
    order: 2;
  }

  .memory-copy {
    max-width: 720px;
  }

  .phone-shot {
    width: min(390px, 62%);
  }

  .site-footer {
    padding: 28px 0;
    grid-template-columns: 1fr auto;
  }

  .site-footer > p:nth-of-type(1) {
    display: none;
  }
}

@media (max-width: 720px) {
  :root {
    --container: calc(100% - 32px);
    --header-height: 66px;
  }

  .site-nav {
    display: none;
  }

  .brand {
    gap: 9px;
    font-size: 0.78rem;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .nav-download {
    font-size: 0.78rem;
  }

  .header-actions {
    gap: 4px;
  }

  .language-switch {
    min-width: 38px;
  }

  .nav-download::after {
    display: none;
  }

  .hero {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 54px;
    gap: 56px;
  }

  .hero h1 {
    font-size: clamp(2.45rem, 12.2vw, 4.3rem);
  }

  html[lang^="en"] .hero h1 {
    font-size: clamp(2.35rem, 11.8vw, 4.3rem);
  }

  .hero-lede {
    font-size: 0.98rem;
    line-height: 1.75;
  }

  .hero-visual {
    width: 92%;
  }

  .hero-visual figcaption {
    right: -12px;
    bottom: 30px;
    min-width: 210px;
    font-size: 0.54rem;
  }

  .hero-visual figcaption strong {
    display: none;
  }

  .hero-principles {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .hero-principles li:not(:last-child)::after {
    display: none;
  }

  .manifesto {
    display: block;
  }

  .manifesto-index {
    margin: 0 0 30px;
  }

  .manifesto h2,
  .section-heading h2,
  .memory-copy h2,
  .workflow-intro h2,
  .privacy-copy h2 {
    font-size: clamp(2.4rem, 11vw, 3.5rem);
  }

  .record-frame {
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  }

  .record-frame img {
    aspect-ratio: 4 / 3;
  }

  .record-frame figcaption {
    min-height: auto;
    padding: 18px 20px 22px;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .feature-rail {
    grid-template-columns: 1fr;
  }

  .feature-rail article,
  .feature-rail article + article {
    padding: 24px 0;
    border-bottom: 1px solid var(--line-soft);
    border-inline-start: 0;
  }

  .memory-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .memory-media {
    height: 620px;
  }

  .phone-shot {
    width: 72%;
    border-radius: 24px;
  }

  .phone-shot-front {
    left: 0;
  }

  .phone-shot-back {
    right: -2%;
  }

  .capability-list > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .workflow-section {
    gap: 42px;
  }

  .privacy-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .storage-spectrum > div {
    grid-template-columns: 1fr 1fr;
  }

  .storage-spectrum p {
    grid-column: 1 / -1;
  }

  .download-section {
    min-height: 760px;
  }

  .download-section > img {
    width: 118px;
    height: 118px;
    border-radius: 24px;
  }

  .download-section h2 {
    font-size: clamp(2.9rem, 13.5vw, 4.2rem);
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer > p:last-child {
    text-align: left;
  }

  html[dir="rtl"] .site-footer > p:last-child {
    text-align: right;
  }

  .footer-links {
    justify-content: flex-start;
  }

  html[dir="rtl"] .footer-links {
    justify-content: flex-start;
  }
}

@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;
  }
}