/* AstroBuruj — The Ethereal Observatory (see design.md in the app repo) */

:root {
  --void: #0d112a;
  --surface-lowest: #080c25;
  --surface-low: #12173a;
  --surface-high: #232847;
  --surface-highest: #2f334e;
  --card-dark: #1c2141;
  --gold: #e9c400;
  --gold-deep: #3a2f00;
  --nebula: #75d1ff;
  --green: #88d982;
  --ink: #eceef8;
  --ink-dim: #aab0cf;
  --moon-silver: #d7dbec;
  --font-display: 'Space Grotesk', 'Noto Kufi Arabic', system-ui, sans-serif;
  --font-body: 'Inter', 'Noto Sans Arabic', system-ui, sans-serif;
  --radius-card: 12px;
  --glow-nebula: 0 0 32px rgba(117, 209, 255, 0.10);
  --ghost-border: 0.5px solid rgba(233, 196, 0, 0.20);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- starfield: two drifting layers of radial-gradient "stars" ---- */
.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1px 1px at 12% 22%, rgba(255,255,255,.7) 50%, transparent 51%),
    radial-gradient(1px 1px at 38% 8%,  rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 62% 31%, rgba(215,219,236,.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 81% 14%, rgba(255,255,255,.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 24% 55%, rgba(117,209,255,.6) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 47% 72%, rgba(255,255,255,.65) 50%, transparent 51%),
    radial-gradient(1px 1px at 71% 62%, rgba(233,196,0,.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 90% 48%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 8% 83%,  rgba(255,255,255,.45) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 55% 92%, rgba(215,219,236,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 33% 38%, rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 93% 79%, rgba(117,209,255,.5) 50%, transparent 51%);
  background-size: 900px 900px;
  animation: twinkle 9s ease-in-out infinite alternate;
}

.sky::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 60% at 50% -10%, rgba(28, 33, 65, 0.9), transparent 70%);
}

@keyframes twinkle {
  from { opacity: 0.55; }
  to   { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sky { animation: none; }
}

.wrap {
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---- header ---- */
header {
  padding-block: 1.25rem;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
}

.brand img { width: 40px; height: 40px; border-radius: 10px; }

.brand strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand strong span { color: var(--gold); }

.lang {
  margin-inline-start: auto;
  font-size: 0.95rem;
}

.lang a {
  color: var(--moon-silver);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(28, 33, 65, 0.8);
  border: var(--ghost-border);
  backdrop-filter: blur(20px);
}

.lang a:hover { color: var(--gold); }

/* ---- hero ---- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3rem;
  padding-block: 4rem 5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 4.5vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero .sub {
  margin-block-start: 1.25rem;
  font-size: 1.15rem;
  color: var(--ink-dim);
  max-width: 34em;
}

.cta-row {
  margin-block-start: 2.25rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--void);
  text-decoration: none;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), #b89a00 60%, var(--gold-deep) 140%);
  box-shadow: 0 0 32px rgba(233, 196, 0, 0.22);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(233, 196, 0, 0.35);
}

.btn-primary svg { width: 1.2em; height: 1.2em; }

.cta-note {
  font-size: 0.9rem;
  color: var(--ink-dim);
}

/* phone visual */
.hero-phone {
  justify-self: center;
  position: relative;
}

.hero-phone::before {
  content: '';
  position: absolute;
  inset: -12%;
  background: radial-gradient(ellipse at center, rgba(117, 209, 255, 0.14), transparent 65%);
  z-index: -1;
}

.phone-frame {
  width: min(290px, 72vw);
  border-radius: 34px;
  padding: 10px;
  background: var(--surface-highest);
  border: var(--ghost-border);
  box-shadow: var(--glow-nebula), 0 24px 60px rgba(4, 6, 20, 0.6);
  transform: rotate(3deg);
}

[dir='rtl'] .phone-frame { transform: rotate(-3deg); }

.phone-frame img {
  display: block;
  width: 100%;
  border-radius: 26px;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
}

/* ---- chips ---- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-block-end: 4rem;
}

.chips span {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--nebula);
  background: rgba(28, 33, 65, 0.8);
  border-radius: 999px;
  padding: 0.45rem 1.05rem;
  backdrop-filter: blur(20px);
}

.chips span.gold { color: var(--gold); }
.chips span.green { color: var(--green); }

/* ---- sections ---- */
section { padding-block: 4.5rem; }

.section-low { background: var(--surface-lowest); }

.kicker {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nebula);
}

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-block: 0.5rem 2.5rem;
}

/* ---- feature cards ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.card {
  background: rgba(28, 33, 65, 0.8);
  backdrop-filter: blur(20px);
  border: var(--ghost-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  box-shadow: var(--glow-nebula);
}

.card .icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--surface-low);
  margin-block-end: 1.1rem;
}

.card .icon svg { width: 24px; height: 24px; }

.card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-block-end: 0.6rem;
}

.card p, .card li {
  color: var(--ink-dim);
  font-size: 0.98rem;
}

.card ul {
  list-style: none;
  margin-block-start: 0.4rem;
}

.card li {
  padding-inline-start: 1.2em;
  position: relative;
  margin-block-end: 0.35rem;
}

.card li::before {
  content: '\2726';
  position: absolute;
  inset-inline-start: 0;
  color: var(--gold);
  font-size: 0.75em;
  top: 0.35em;
}

/* ---- screenshots ---- */
.screens {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.screens figure {
  text-align: center;
  max-width: 290px;
  margin-inline: auto;
  width: 100%;
}

.screens img {
  width: 100%;
  border-radius: 22px;
  border: var(--ghost-border);
  box-shadow: 0 18px 44px rgba(4, 6, 20, 0.55);
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
}

.screens figcaption {
  margin-block-start: 0.9rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink-dim);
}

/* ---- languages band ---- */
.langs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--moon-silver);
}

.langs b { color: var(--gold); font-weight: 500; }

/* ---- closing CTA ---- */
.closing {
  text-align: center;
  padding-block: 5rem;
}

.closing h2 { margin-block-end: 1rem; }

.closing p {
  color: var(--ink-dim);
  margin-block-end: 2rem;
}

/* ---- footer ---- */
footer {
  background: var(--surface-lowest);
  padding-block: 2.5rem;
  font-size: 0.92rem;
  color: var(--ink-dim);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}

footer a { color: var(--moon-silver); text-decoration: none; }
footer a:hover { color: var(--gold); }

.footer-spacer { margin-inline-start: auto; }

/* ---- legal / privacy ---- */
.legal {
  max-width: 46rem;
  padding-block: 2.5rem 5rem;
}

.legal h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  margin-block-end: 0.5rem;
}

.legal .muted {
  color: var(--ink-dim);
  font-size: 0.95rem;
  margin-block-end: 2rem;
}

.legal h2 {
  font-size: 1.2rem;
  margin-block: 2.25rem 0.75rem;
}

.legal p, .legal li {
  color: var(--moon-silver);
}

.legal ul { padding-inline-start: 1.3em; }

.legal li { margin-block-end: 0.5rem; }

.legal a { color: var(--nebula); }

.legal code {
  font-family: var(--font-display);
  font-size: 0.92em;
  background: var(--surface-low);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* ---- 404 ---- */
.lost {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
}

.lost .code {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 5rem;
  color: var(--gold);
}

/* ---- responsive ---- */
@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    padding-block: 2.5rem 3.5rem;
    text-align: center;
  }
  .hero .sub { margin-inline: auto; }
  .cta-row { justify-content: center; }
  .chips { justify-content: center; }
  .cards { grid-template-columns: 1fr; }
  .screens { grid-template-columns: 1fr; max-width: 320px; margin-inline: auto; }
}