/* Astror — vitrine. Palette et typographies reprises de l'application (src/app.css). */
:root {
  --bg: #04060e;
  --bg-2: #070b18;
  --surface-1: #0a1020;
  --surface-2: #0f1830;
  --surface-3: #16223f;
  --line: rgba(150, 180, 235, 0.12);
  --line-2: rgba(150, 180, 235, 0.22);
  --text: #eef2fb;
  --dim: #b4bdd9;
  --faint: #8f9cc2;
  --gold: #d9b36c;
  --gold-2: #efce8c;
  --gold-soft: rgba(217, 179, 108, 0.13);
  --gold-line: rgba(217, 179, 108, 0.34);
  --serif: 'Spectral', Georgia, 'Times New Roman', serif;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --radius: 20px;
  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Champ d'étoiles statique, discret, derrière toute la page */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1px 1px at 27% 72%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1.5px 1.5px at 41% 33%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1px 1px at 58% 84%, rgba(255,255,255,.3), transparent 60%),
    radial-gradient(1px 1px at 66% 12%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1.5px 1.5px at 79% 57%, rgba(239,206,140,.5), transparent 60%),
    radial-gradient(1px 1px at 88% 26%, rgba(255,255,255,.4), transparent 60%),
    radial-gradient(1px 1px at 94% 88%, rgba(255,255,255,.3), transparent 60%),
    radial-gradient(1px 1px at 6% 52%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1px 1px at 35% 95%, rgba(255,255,255,.3), transparent 60%),
    radial-gradient(140% 90% at 50% -14%, #0e1838 0%, #070c1c 46%, var(--bg) 100%);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold-2); text-underline-offset: 3px; }
a:hover { color: #fff; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.15; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
figure { margin: 0; }
strong { color: #fff; font-weight: 600; }

:focus-visible {
  outline: 2px solid var(--gold-2);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--gold); color: #1a1408; padding: 10px 16px; border-radius: 10px;
  font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap-narrow { max-width: 820px; }
.center { text-align: center; }

.eyebrow {
  font: 500 0.75rem/1.4 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.note { color: var(--faint); font-size: 0.92em; }

/* ── Boutons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 24px;
  border-radius: 999px; border: 1px solid transparent;
  font: 600 1rem/1.2 var(--sans);
  text-decoration: none; text-align: center;
  transition: background-color .2s, border-color .2s, color .2s, transform .2s;
}
.btn-primary {
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  color: #1a1408;
  box-shadow: 0 8px 30px -10px rgba(217, 179, 108, .6);
}
.btn-primary:hover { color: #1a1408; transform: translateY(-1px); background: var(--gold-2); }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--gold-line); color: #fff; }
.btn-small { min-height: 40px; padding: 8px 18px; font-size: .9375rem; }
.btn-large { min-height: 56px; padding: 16px 34px; font-size: 1.0625rem; }

/* ── En-tête ─────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(4, 6, 14, .82);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 500 1.375rem/1 var(--serif); }
.brand img { border-radius: 8px; }
.brand:hover { color: #fff; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav ul { list-style: none; display: flex; gap: 24px; }
.site-nav ul a { color: var(--dim); text-decoration: none; font-size: .9375rem; font-weight: 500; padding: 6px 0; }
.site-nav ul a:hover { color: #fff; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid var(--line-2); background: transparent; color: var(--text); cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative;
  transition: transform .2s, opacity .2s;
}
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ''; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .js .nav-toggle { display: inline-flex; }
  .js .site-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 12px;
    padding: 12px var(--gutter) 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -12px rgba(0, 0, 0, .7);
  }
  .js .site-nav.is-open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav ul a { display: block; padding: 12px 4px; font-size: 1.0625rem; border-bottom: 1px solid var(--line); }
  /* Sans JavaScript : liens affichés sous le logo */
  .no-js .header-inner { flex-wrap: wrap; padding-bottom: 10px; }
  .no-js .site-nav { flex-wrap: wrap; gap: 12px; }
  .no-js .site-nav ul { flex-direction: row; flex-wrap: wrap; gap: 4px 16px; }
  .no-js .site-nav ul a { border: 0; padding: 4px 0; }
}

/* ── Hero ────────────────────────────────────────────── */
.hero { padding: clamp(40px, 8vw, 96px) 0 clamp(56px, 8vw, 104px); overflow-x: clip; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 {
  font: 400 clamp(2.5rem, 6vw, 4.25rem)/1.04 var(--serif);
  letter-spacing: -0.015em;
  margin-bottom: 24px;
}
.hero h1 em { font-style: italic; color: var(--gold-2); }
.lede { font-size: clamp(1.0625rem, 1.6vw, 1.1875rem); color: var(--dim); max-width: 36em; margin-bottom: 32px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.trust { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--faint); font-size: .9375rem; }
.trust li { display: inline-flex; align-items: center; gap: 8px; }
.trust li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px var(--gold); }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; min-height: 520px; }
.orbit {
  position: absolute; width: min(560px, 100%); aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--line-2);
  background: radial-gradient(closest-side, rgba(217,179,108,.16), rgba(126,166,230,.06) 55%, transparent 72%);
}
.orbit::after {
  content: ''; position: absolute; top: 12%; right: 9%; width: 10px; height: 10px; border-radius: 50%;
  background: var(--gold-2); box-shadow: 0 0 18px 4px rgba(239,206,140,.55);
}

/* Cadre de smartphone (CSS pur) */
.phone {
  position: relative;
  width: 100%; max-width: 290px;
  padding: 9px;
  border-radius: 44px;
  background: linear-gradient(160deg, #26324f, #0b1222 45%, #1b2540);
  box-shadow: 0 0 0 1px rgba(255,255,255,.06), 0 30px 60px -20px rgba(0,0,0,.8), 0 0 80px -30px rgba(126,166,230,.35);
}
.phone img { border-radius: 35px; width: 100%; background: var(--surface-1); }
.hero-visual .phone { position: relative; }
.phone-front { width: 62%; max-width: 300px; z-index: 2; transform: translateX(16%); }
.phone-back { width: 54%; max-width: 260px; position: absolute !important; left: 6%; top: 50%; transform: translateY(-46%) rotate(-6deg); opacity: .78; }

/* ── Sections ────────────────────────────────────────── */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-alt { background: linear-gradient(180deg, rgba(10,16,32,.55), rgba(7,11,24,.85)); border-block: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head h2 { font: 400 clamp(2rem, 4.2vw, 3rem)/1.1 var(--serif); letter-spacing: -0.01em; }
.section-lede { color: var(--dim); margin-top: 16px; font-size: 1.125rem; }

/* Soirée type */
.steps { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; counter-reset: none; }
.step {
  position: relative; padding: 28px 28px 24px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15,24,48,.7), rgba(10,16,32,.5));
}
.step-num { display: block; font: 500 .8125rem/1 var(--mono); color: var(--gold); letter-spacing: .12em; margin-bottom: 14px; }
.step h3 { font: 500 1.375rem/1.25 var(--serif); margin-bottom: 10px; }
.step p { color: var(--dim); margin: 0; }
.beginner {
  margin: 28px 0 0; padding: 20px 24px; border-radius: var(--radius);
  border: 1px solid var(--gold-line); background: var(--gold-soft); color: var(--dim);
}

/* Fonctionnalités */
.feature {
  display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: clamp(32px, 6vw, 88px);
  align-items: center; padding: clamp(28px, 4vw, 48px) 0;
}
.feature + .feature { border-top: 1px solid var(--line); }
.feature .phone { justify-self: center; }
.feature-reverse { grid-template-columns: 1fr minmax(220px, 300px); }
.feature-reverse .phone { order: 2; }
.feature-copy { max-width: 560px; }
.feature-kicker { font: 500 .75rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.feature-copy h3 { font: 400 clamp(1.625rem, 3vw, 2.25rem)/1.15 var(--serif); margin-bottom: 16px; }
.feature-copy p { color: var(--dim); }
.feature-copy .benefit {
  color: var(--text); margin: 20px 0 0; padding-left: 16px;
  border-left: 2px solid var(--gold); font-style: italic; font-family: var(--serif); font-size: 1.1875rem;
}

.more-title { font: 400 1.75rem/1.2 var(--serif); margin: clamp(40px, 6vw, 72px) 0 24px; }
.more-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.more-grid li { padding: 22px 22px 18px; border: 1px solid var(--line); border-radius: 16px; background: rgba(10,16,32,.6); }
.more-grid h4 { font: 600 1.0625rem/1.3 var(--sans); margin-bottom: 8px; color: #fff; }
.more-grid p { color: var(--dim); font-size: .96875rem; margin: 0; }

/* Galerie */
.gallery {
  overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scroll-padding-inline: var(--gutter);
  padding: 8px 0 24px;
  scrollbar-color: var(--surface-3) transparent;
}
.gallery:focus-visible { outline-offset: -2px; }
.gallery-track {
  list-style: none; display: flex; gap: 22px; width: max-content;
  padding-inline: max(var(--gutter), calc((100vw - var(--wrap)) / 2 + var(--gutter)));
}
.gallery-track li { scroll-snap-align: start; width: 220px; text-align: center; }
.gallery-track .phone { max-width: none; padding: 7px; border-radius: 34px; }
.gallery-track .phone img { border-radius: 27px; }
.gallery-track p { margin: 12px 0 0; color: var(--dim); font-size: .9375rem; font-weight: 500; }

.desktop-demo { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; margin-top: clamp(40px, 6vw, 72px); }
.browser {
  border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.9), 0 0 90px -40px rgba(126,166,230,.4);
  background: var(--surface-1);
}
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; background: #0d1426; border-bottom: 1px solid var(--line); }
.browser-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2a3554; }
.browser-bar em { margin-left: 12px; font: 500 .75rem/1 var(--mono); font-style: normal; color: var(--faint); background: rgba(255,255,255,.04); padding: 5px 12px; border-radius: 6px; }
.desktop-copy h3 { font: 400 clamp(1.625rem, 3vw, 2.125rem)/1.15 var(--serif); margin-bottom: 16px; }
.desktop-copy p { color: var(--dim); }
.text-link { font-weight: 600; }

/* Pourquoi */
.why-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.why-grid li { padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(10,16,32,.6); }
.why-grid h3 { font: 500 1.3125rem/1.25 var(--serif); margin-bottom: 10px; color: var(--gold-2); }
.why-grid p { color: var(--dim); margin: 0; font-size: 1rem; }
.honest { margin-top: 28px; padding: 24px 28px; border-radius: var(--radius); border: 1px dashed var(--line-2); }
.honest h3 { font: 600 1.0625rem/1.3 var(--sans); margin-bottom: 8px; }
.honest p { color: var(--dim); margin: 0; }

/* Appareils */
.devices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.device { position: relative; padding: 28px 26px 22px; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(180deg, rgba(15,24,48,.7), rgba(10,16,32,.5)); }
.device.is-current { border-color: var(--gold-line); box-shadow: 0 0 0 1px var(--gold-line), 0 20px 50px -30px rgba(217,179,108,.5); }
.device-badge { position: absolute; top: -12px; left: 22px; margin: 0; padding: 4px 12px; border-radius: 999px; background: var(--gold); color: #1a1408; font: 600 .75rem/1.2 var(--sans); }
.device h3 { font: 500 1.5rem/1.2 var(--serif); margin-bottom: 14px; }
.device ol { padding-left: 1.2em; color: var(--dim); }
.device li { margin-bottom: 8px; padding-left: 4px; }
.device li::marker { color: var(--gold); font-family: var(--mono); }
.device-notes { margin: 28px 0 36px; display: grid; gap: 12px; color: var(--dim); max-width: 860px; }
.device-notes p { margin: 0; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 44px 20px 0; position: relative;
  font: 500 1.1875rem/1.35 var(--serif); color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font: 400 1.5rem/1 var(--sans); color: var(--gold); transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: #fff; }
.faq details p { color: var(--dim); padding: 0 8px 22px 0; margin: 0; }

/* CTA final */
.final-cta {
  padding: clamp(80px, 12vw, 150px) 0; text-align: center;
  background: radial-gradient(60% 70% at 50% 100%, rgba(217,179,108,.16), transparent 70%);
}
.final-logo { margin: 0 auto 24px; border-radius: 16px; box-shadow: 0 0 60px -10px rgba(217,179,108,.5); }
.final-cta h2 { font: 400 clamp(2.25rem, 5vw, 3.5rem)/1.1 var(--serif); margin-bottom: 16px; }
.final-cta p { color: var(--dim); font-size: 1.125rem; max-width: 32em; margin: 0 auto 32px; }

/* Pied de page */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 56px; background: #03050b; font-size: .9375rem; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr; gap: 32px; }
.footer-brand p, .footer-credits p { color: var(--faint); margin: 12px 0 0; }
.footer-credits p:first-of-type { margin-top: 0; }
.footer-title { font: 500 .75rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.footer-links ul { list-style: none; display: grid; gap: 8px; }
.footer-links a, .footer-credits a { color: var(--dim); }
.footer-links a:hover, .footer-credits a:hover { color: #fff; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { min-height: 0; padding: 12px 0; }
  .phone-front { width: 56%; max-width: 270px; }
  .phone-back { width: 46%; max-width: 220px; left: 8%; }
  .more-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .devices { grid-template-columns: 1fr; max-width: 560px; }
  .desktop-demo { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .steps { grid-template-columns: 1fr; }
  .feature, .feature-reverse { grid-template-columns: 1fr; gap: 28px; }
  .feature-reverse .phone { order: 0; }
  .feature .phone { max-width: 240px; }
  .more-grid, .why-grid { grid-template-columns: 1fr; }
  .devices { margin-top: 12px; }
  .devices .device { margin-top: 6px; }
}

@media (max-width: 480px) {
  .cta-row .btn { width: 100%; }
  .gallery-track li { width: 190px; }
  .footer-inner { grid-template-columns: 1fr; }
  .step, .why-grid li, .device { padding: 22px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}