/* Auvra marketing site. Colors are the app's own tokens (docs/design/tokens.json). */

:root {
  --paper: #faf9f6;
  --paper-deep: #f3f1ec;
  --ink: #141413;
  --ink-soft: #5e5b55;
  --ink-faint: #767268;
  --rule: #e2ded5;
  --gold: #c5a15a;
  --gold-light: #dcbf7e;
  --gold-text: #5c431c;
  --gold-wash: #f4ecd9;
  --night: #0e0e0f;
  --night-surface: #1c1c1e;
  --night-text: #f5f4f0;
  --night-soft: #a8a59e;

  --font: "Readex Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.625rem;
  --step-3: clamp(1.9rem, 1.4rem + 2vw, 2.75rem);
  --step-4: clamp(2.6rem, 1.6rem + 4.4vw, 4.75rem);
  --gutter: clamp(16px, 4vw, 40px);
  --page: 1180px;
}

/* Dark: follows the system unless the visitor picked a theme (data-theme). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0e0e0f;
    --paper-deep: #161618;
    --ink: #f5f4f0;
    --ink-soft: #a8a59e;
    --ink-faint: #8a877f;
    --rule: #2f2f33;
    --gold-text: #dcbf7e;
    --gold-wash: #2b2417;
    --night: #050506;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #0e0e0f;
  --paper-deep: #161618;
  --ink: #f5f4f0;
  --ink-soft: #a8a59e;
  --ink-faint: #8a877f;
  --rule: #2f2f33;
  --gold-text: #dcbf7e;
  --gold-wash: #2b2417;
  --night: #050506;
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.6;
  font-weight: 350;
  overflow-x: hidden;
}

:lang(ar) body,
body:lang(ar) {
  line-height: 1.8;
}

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

a {
  color: var(--gold-text);
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  inset-inline-start: 16px;
  top: -60px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 10px;
  z-index: 10;
}

.skip:focus {
  top: 12px;
}

.wrap {
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

h1,
h2,
h3 {
  font-weight: 600;
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

/* Header */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

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

.brand img.word {
  height: 20px;
  width: auto;
}

.brand .word-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand .word-light {
    display: none;
  }

  :root:not([data-theme="light"]) .brand .word-dark {
    display: block;
  }
}

:root[data-theme="dark"] .brand .word-light {
  display: none;
}

:root[data-theme="dark"] .brand .word-dark {
  display: block;
}

/* Theme switch: shows the moon in light, the sun in dark. */

.theme {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
}

.theme:hover {
  background: var(--paper-deep);
}

.theme svg {
  width: 20px;
  height: 20px;
}

.theme .sun {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme .sun {
    display: block;
  }

  :root:not([data-theme="light"]) .theme .moon {
    display: none;
  }
}

:root[data-theme="dark"] .theme .sun {
  display: block;
}

:root[data-theme="dark"] .theme .moon {
  display: none;
}

.top nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: var(--step--1);
  font-weight: 450;
  padding: 10px 14px;
  border-radius: 999px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.top nav a:hover {
  background: var(--paper-deep);
}

.top nav a.lang {
  border: 1px solid var(--rule);
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding-block: clamp(28px, 6vw, 72px) clamp(56px, 8vw, 112px);
}

.hero h1 {
  font-size: var(--step-4);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 600;
  max-width: 13ch;
}

:lang(ar) .hero h1 {
  letter-spacing: 0;
  line-height: 1.25;
  max-width: 14ch;
}

.hero .lede {
  margin-top: 24px;
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 34em;
}

.availability {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
}

.soon {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 14px;
  padding: 12px 20px 12px 14px;
  font-weight: 500;
  min-height: 56px;
}

:lang(ar) .soon {
  padding: 12px 14px 12px 20px;
}

.soon img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.availability small {
  font-size: var(--step--1);
  color: var(--ink-faint);
}

.stage {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}

.phone {
  position: relative;
  width: 100%;
  border-radius: 13.5% / 6.2%;
  padding: 3.2%;
  background: #1a1a1c;
  box-shadow:
    0 0 0 1.5px #3a3a3e inset,
    0 40px 80px -30px rgba(20, 20, 19, 0.55),
    0 18px 30px -18px rgba(20, 20, 19, 0.4);
}

.phone img {
  width: 100%;
  border-radius: 11% / 5.1%;
  aspect-ratio: 1320 / 2868;
  object-fit: cover;
  background: var(--paper-deep);
}

.stage .phone {
  z-index: 1;
}

.stage .front {
  width: min(300px, 62%);
  translate: -16% 0;
  rotate: -3deg;
}

.stage .back {
  position: absolute;
  width: min(262px, 54%);
  inset-inline-end: 2%;
  top: 6%;
  rotate: 4deg;
  z-index: 0;
  filter: saturate(0.95);
}

:lang(ar) .stage .front {
  translate: 16% 0;
  rotate: 3deg;
}

:lang(ar) .stage .back {
  rotate: -4deg;
}

@media (prefers-reduced-motion: no-preference) {
  .stage .front {
    animation: rise 900ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }

  .stage .back {
    animation: rise 900ms 140ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(48px);
  }
}

/* Assay: one spot price, four karats */

.assay {
  border-top: 1px solid var(--rule);
  padding-block: clamp(64px, 9vw, 120px);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
}

.assay h2,
.screens h2,
.promises h2,
.closing h2 {
  font-size: var(--step-3);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

:lang(ar) h2 {
  letter-spacing: 0;
  line-height: 1.35;
}

.assay .copy p {
  margin-top: 20px;
  color: var(--ink-soft);
  max-width: 32em;
}

.formula {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--step--1);
  font-weight: 450;
}

.formula span {
  background: var(--gold-wash);
  color: var(--gold-text);
  border-radius: 8px;
  padding: 6px 10px;
}

.formula i {
  font-style: normal;
  color: var(--ink-faint);
}

.bars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 2.2vw, 28px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.bar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bar .karat {
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--ink-soft);
}

.bar .track {
  position: relative;
  height: clamp(200px, 30vw, 340px);
  border-radius: 14px;
  background: repeating-linear-gradient(
    to top,
    var(--paper-deep) 0 calc(10% - 1px),
    var(--rule) calc(10% - 1px) 10%
  );
  overflow: hidden;
}

.bar .fill {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: var(--fine);
  background: linear-gradient(160deg, #ecd49a 0%, var(--gold) 45%, #9c7a37 100%);
  border-radius: 14px 14px 0 0;
}

.bar .fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.35) 45%, transparent 60%);
}

.bar .value {
  font-size: clamp(1.6rem, 1rem + 2.6vw, 3rem);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.bar .unit {
  font-size: 0.8125rem;
  color: var(--ink-faint);
  line-height: 1.4;
}

/* Screens */

.screens {
  background: var(--night);
  color: var(--night-text);
  border-block: 1px solid #222225;
  padding-block: clamp(64px, 9vw, 120px);
}

.screens .head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  flex-wrap: wrap;
}

.screens .head p {
  margin-top: 16px;
  color: var(--night-soft);
  max-width: 34em;
}

.scroller-buttons {
  display: flex;
  gap: 10px;
}

.scroller-buttons button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid #3a3a3e;
  background: var(--night-surface);
  color: var(--night-text);
  font: inherit;
  font-size: 1.25rem;
  cursor: pointer;
}

.scroller-buttons button:hover {
  border-color: var(--gold);
}

.scroller-buttons button:disabled {
  opacity: 0.35;
  cursor: default;
}

.gallery {
  margin-top: 48px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(220px, 24vw, 270px);
  gap: clamp(20px, 3vw, 40px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  --edge: max(var(--gutter), calc((100vw - var(--page)) / 2 + var(--gutter)));
  scroll-padding-inline: var(--edge);
  padding-inline: var(--edge);
  padding-bottom: 24px;
  list-style: none;
  margin-inline: 0;
  scrollbar-width: thin;
  scrollbar-color: #3a3a3e transparent;
}

.gallery li {
  scroll-snap-align: start;
}

.gallery .phone {
  box-shadow:
    0 0 0 1.5px #3a3a3e inset,
    0 30px 60px -28px rgba(0, 0, 0, 0.9);
}

.gallery h3 {
  margin-top: 22px;
  font-size: var(--step-1);
  font-weight: 500;
}

.gallery p {
  margin-top: 6px;
  color: var(--night-soft);
  font-size: var(--step--1);
  line-height: 1.55;
}

/* Promises */

.promises {
  padding-block: clamp(64px, 9vw, 120px);
}

.promises ul {
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 44px clamp(24px, 4vw, 56px);
}

.promises li {
  border-top: 2px solid var(--gold);
  padding-top: 18px;
}

.promises h3 {
  font-size: var(--step-1);
  font-weight: 500;
  line-height: 1.35;
}

.promises li p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: var(--step--1);
  line-height: 1.65;
}

/* Closing */

.closing {
  background: var(--paper-deep);
  padding-block: clamp(56px, 8vw, 104px);
}

.closing .wrap {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.closing img {
  width: clamp(96px, 14vw, 168px);
  border-radius: 22.5%;
  box-shadow: 0 24px 48px -24px rgba(20, 20, 19, 0.5);
}

.closing p {
  margin-top: 14px;
  color: var(--ink-soft);
}

/* Footer */

footer {
  padding-block: 40px 56px;
  font-size: var(--step--1);
  color: var(--ink-faint);
}

footer .row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px 40px;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

footer nav a {
  color: var(--ink);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

footer .fine {
  margin-top: 20px;
  max-width: 60em;
  line-height: 1.7;
}

/* Small screens */

@media (max-width: 900px) {
  .hero,
  .assay {
    grid-template-columns: minmax(0, 1fr);
  }

  .stage {
    min-height: 0;
    padding-block: 12px 24px;
  }

  .stage .front {
    width: min(270px, 60%);
  }

  .stage .back {
    width: min(232px, 50%);
  }

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

@media (max-width: 560px) {
  .top nav a.privacy {
    display: none;
  }

  .promises ul {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .closing .wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  .scroller-buttons {
    display: none;
  }
}