:root {
  color-scheme: light dark;
  --bg: #f7f8fb;
  --fg: #17191f;
  --muted: #68707d;
  --line: #dce1e8;
  --panel: #ffffff;
  --soft: #edf2f6;
  --cyan: #289be8;
  --mint: #27b77a;
  --coral: #e86f5f;
  --ink: #10131a;
  --shadow: 0 22px 54px rgba(26, 35, 54, .12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #090b0f;
    --fg: #f4f7fb;
    --muted: #a6afbc;
    --line: #28303b;
    --panel: #121820;
    --soft: #1a222d;
    --shadow: 0 22px 54px rgba(0, 0, 0, .38);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 14px max(22px, calc((100vw - 1120px) / 2));
  color: #fff;
  background: rgba(10, 13, 19, .72);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand img {
  border-radius: 9px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .22);
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
}

nav a:hover { color: #fff; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.language-picker {
  display: inline-flex;
  align-items: center;
}

.language-picker select {
  max-width: 132px;
  min-height: 32px;
  padding: 4px 28px 4px 10px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, .08);
  font: inherit;
  font-size: 13px;
}

.language-picker select:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.language-picker option {
  color: #17191f;
}

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 88svh;
  padding: 108px max(22px, calc((100vw - 1120px) / 2)) 86px;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(8, 11, 16, .94), rgba(8, 11, 16, .72) 48%, rgba(8, 11, 16, .26)),
    url("app-icon.png");
  background-size: auto, min(74vw, 760px);
  background-position: center, right -90px center;
  background-repeat: no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 7px;
  background: linear-gradient(90deg, var(--cyan), var(--mint), var(--coral));
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(62px, 15vw, 156px);
  line-height: .88;
  letter-spacing: 0;
}

.hero-copy {
  width: min(640px, 100%);
  margin: 28px 0 0;
  color: rgba(255, 255, 255, .82);
  font-size: clamp(19px, 2.5vw, 25px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 8px;
  font-weight: 800;
}

.primary-action {
  color: #071016;
  background: #fff;
}

.secondary-action {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .28);
}

.preview-band,
.section,
.site-footer {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
}

.preview-band {
  padding: 76px 0 32px;
}

.preview-grid {
  display: grid;
  grid-template-columns: minmax(290px, 390px) minmax(0, 1fr);
  gap: clamp(38px, 7vw, 82px);
  align-items: center;
}

.phone-shell {
  width: min(390px, 100%);
  min-height: 720px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 34px;
  color: #fff;
  background: #0b1018;
  box-shadow: var(--shadow);
}

.phone-status {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, .74);
  font-size: 12px;
  font-weight: 700;
}

.photo-stage {
  position: relative;
  height: 420px;
  margin: 18px 0;
  overflow: hidden;
  border-radius: 22px;
  background:
    linear-gradient(150deg, rgba(40, 155, 232, .32), transparent 42%),
    linear-gradient(25deg, rgba(232, 111, 95, .22), transparent 40%),
    #17202b;
}

.portrait {
  position: absolute;
  inset: 52px 56px 34px;
  border-radius: 42% 42% 18% 18%;
  background:
    linear-gradient(180deg, #f1c4a5 0 28%, #222936 28% 42%, #d6a98c 42% 54%, #4b5b70 54%);
}

.face-frame,
.body-frame {
  position: absolute;
  display: grid;
  place-items: center;
  color: #fff;
  border: 2px solid currentColor;
  font-size: 13px;
  font-weight: 900;
}

.face-frame {
  top: 28px;
  left: 50%;
  width: 86px;
  height: 96px;
  border-radius: 44% 44% 48% 48%;
  transform: translateX(-50%);
}

.body-frame {
  left: 22px;
  right: 22px;
  bottom: 30px;
  height: 180px;
  border-radius: 22px;
  color: var(--mint);
}

.tool-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 7px;
  margin-bottom: 18px;
}

.tool-strip span {
  min-width: 0;
  padding: 9px 5px;
  border-radius: 8px;
  color: rgba(255, 255, 255, .68);
  background: rgba(255, 255, 255, .06);
  text-align: center;
  font-size: 12px;
  font-weight: 800;
}

.tool-strip .active {
  color: #061015;
  background: var(--cyan);
}

.slider-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 15px;
  color: rgba(255, 255, 255, .84);
  font-size: 14px;
}

.slider-track {
  height: 8px;
  margin-top: 9px;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
}

.slider-track span {
  display: block;
  width: 42%;
  height: 100%;
  background: var(--cyan);
}

.slider-track.soft span {
  width: 35%;
  background: var(--mint);
}

.preview-copy h2,
.section-heading h2,
.split-section h2,
.language-band h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.03;
  letter-spacing: 0;
}

.preview-copy p,
.split-section p,
.language-band p {
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
}

.section {
  padding: 76px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 250px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 28px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.feature-card h3 {
  margin: 36px 0 10px;
  font-size: 22px;
  line-height: 1.14;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, .7fr);
  gap: 42px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.export-panel {
  display: grid;
  gap: 10px;
}

.export-panel div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.export-panel span {
  font-weight: 900;
}

.export-panel em {
  color: var(--muted);
  font-style: normal;
  text-align: right;
}

.language-band {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(280px, .55fr);
  gap: 42px;
  align-items: center;
  padding-bottom: 96px;
  border-top: 1px solid var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--fg);
  font-weight: 800;
}

.policy {
  width: min(820px, calc(100% - 44px));
  margin: 0 auto;
  padding: 138px 0 78px;
}

.policy h1 {
  margin: 0;
  font-size: clamp(40px, 7vw, 70px);
  line-height: 1.02;
  letter-spacing: 0;
}

.updated {
  margin: 16px 0 42px;
  color: var(--muted);
  font-size: 15px;
}

.policy section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.policy h2 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.16;
}

.policy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.policy a {
  color: var(--cyan);
  font-weight: 800;
}

@media (max-width: 920px) {
  .preview-grid,
  .split-section,
  .language-band {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .phone-shell {
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .policy {
    padding-top: 164px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero {
    min-height: 86svh;
    padding-top: 150px;
    background-size: auto, 520px;
    background-position: center, right -220px center;
  }

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

  .feature-card {
    min-height: auto;
  }

  .phone-shell {
    min-height: 620px;
    padding: 14px;
    border-radius: 26px;
  }

  .photo-stage {
    height: 335px;
  }

  .portrait {
    inset: 44px 42px 28px;
  }

  .export-panel div,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .export-panel em {
    text-align: left;
  }
}