/* ElunVault : site statique, aucune ressource externe (ni police, ni script, ni traceur). */
:root {
  --night: #0b0d17;
  --surface: #10131f;
  --layer: #161a2b;
  --layer2: #1e2338;
  --line: #262c45;
  --text: #e7e9f3;
  --muted: #a3a9c2;
  --peri: #9db8ff;
  --lav: #c4b1ff;
  --mint: #7fe0c8;
  --amber: #ffc970;
  --radius: 20px;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--peri); }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- en-tête */
header.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 13, 23, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
.brand img { width: 34px; height: 34px; }
nav.links { margin-left: auto; display: flex; gap: 20px; align-items: center; }
nav.links a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav.links a:hover { color: var(--text); }
nav.links .lang { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; }
@media (max-width: 720px) { nav.links a.opt { display: none; } }

/* ---------- boutons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 16px;
  font-weight: 600; text-decoration: none; font-size: 16px;
  background: var(--peri); color: #0b1533;
  border: 0;
}
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn .small { display: block; font-size: 12px; font-weight: 500; opacity: .75; line-height: 1.1; }
.btn[aria-disabled="true"] { cursor: default; }

/* ---------- héros */
.hero { padding: 72px 0 56px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px;
  background: radial-gradient(closest-side, rgba(157, 184, 255, .16), transparent 70%);
  pointer-events: none;
}
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--mint); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: 13px; }
h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.08; margin: 12px 0 18px; letter-spacing: -.02em; }
h1 .grad { background: linear-gradient(90deg, var(--peri), var(--lav) 55%, var(--mint)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 26px; color: var(--muted); font-size: 14px; }
.trust span::before { content: "✓ "; color: var(--mint); }
.hero-art { position: relative; display: grid; place-items: center; }
.hero-art img { width: min(380px, 80%); filter: drop-shadow(0 30px 60px rgba(157, 184, 255, .25)); animation: float 7s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px) rotate(1deg); } }
@media (prefers-reduced-motion: reduce) { .hero-art img { animation: none; } html { scroll-behavior: auto; } }
@media (max-width: 860px) {
  .hero { padding-top: 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 24px; }
  .hero-art { order: -1; }
  .hero-art img { width: 200px; }
}

/* ---------- sections */
section { padding: 64px 0; scroll-margin-top: 64px; }
section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 4vw, 36px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
.sub { color: var(--muted); max-width: 640px; margin: 0 0 36px; font-size: 17px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--layer); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 12px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.ico { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; font-size: 22px; background: var(--layer2); }

/* étapes */
.steps { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); counter-reset: s; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--layer); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: relative; }
.step::before {
  counter-increment: s; content: counter(s);
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--peri); color: #0b1533; font-weight: 700; margin-bottom: 12px;
}
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* tableau gratuit / Pro */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--layer); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.plan.pro { border-color: rgba(196, 177, 255, .55); background: linear-gradient(180deg, rgba(196, 177, 255, .10), var(--layer) 40%); }
.plan h3 { margin: 0; font-size: 22px; }
.plan .price { color: var(--muted); margin: 4px 0 18px; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.plan li { padding-left: 28px; position: relative; font-size: 15px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--mint); font-weight: 700; }
.plan.pro li::before { color: var(--lav); }

/* FAQ */
details { background: var(--layer); border: 1px solid var(--line); border-radius: 16px; padding: 4px 20px; margin-bottom: 10px; }
summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; position: relative; padding-right: 28px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 10px; font-size: 22px; color: var(--muted); }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 16px; color: var(--muted); }

/* bandeau final */
.final { text-align: center; }
.final .cta { justify-content: center; }
.final img { width: 72px; margin: 0 auto 16px; }

/* pied de page */
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
footer nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: var(--muted); }

/* ---------- page texte (politique de confidentialité) */
.doc { max-width: 760px; padding: 48px 20px 72px; margin: 0 auto; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc p, .doc li { color: #cfd3e3; }
.doc .meta { color: var(--muted); font-size: 14px; }
.doc .summary { background: var(--layer); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--text); }
.todo { background: rgba(255, 201, 112, .15); color: var(--amber); padding: 0 6px; border-radius: 6px; }

/* ---------- démo animée : téléphone (assets/demo.js) */
.phone {
  position: relative; width: 280px; height: 572px; margin: 0 auto;
  border-radius: 46px; padding: 10px;
  background: linear-gradient(160deg, #2a3150, #12162a 60%);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .55), 0 0 0 1px rgba(157, 184, 255, .18), inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.ph-screen {
  position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 37px;
  background: linear-gradient(180deg, #0e1020, #141a33 55%, #0b1220);
}
.ph-notch { position: absolute; top: 10px; left: 50%; width: 84px; height: 22px; margin-left: -42px; border-radius: 12px; background: #05060c; z-index: 5; }
.ph-lock { position: absolute; inset: 0; transition: opacity .5s, transform .5s; }
.ph-hint { position: absolute; top: 74px; width: 100%; text-align: center; color: var(--muted); font-size: 13px; letter-spacing: .02em; transition: opacity .4s; }
.phone.broken .ph-hint { opacity: 0; }
.ph-board { position: absolute; left: 50%; top: 45%; width: 0; height: 0; }
.ph-tile { position: absolute; transition: transform .9s cubic-bezier(.2, .7, .3, 1), opacity .9s; }
.ph-tile::before {
  content: ""; position: absolute; inset: 0; transform: rotate(45deg); border-radius: 4px;
  background: linear-gradient(135deg, #2a3150, #1a2038);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .05);
  transition: background .25s, box-shadow .25s;
}
.ph-tile.lit::before {
  background: linear-gradient(135deg, #fff 0%, var(--c) 35%, var(--c) 70%, rgba(0, 0, 0, .25) 130%);
  box-shadow: 0 0 16px var(--c), inset 0 0 0 1px rgba(255, 255, 255, .35);
}
.ph-tile.shard { opacity: 0; }
.phone.verifying .ph-tile.lit::before { animation: glow 1s ease-in-out infinite; }
@keyframes glow { 50% { box-shadow: 0 0 26px var(--c), inset 0 0 0 1px rgba(255, 255, 255, .6); } }
.ph-gem {
  position: absolute; left: 50%; top: calc(45% + 150px); width: 26px; height: 26px; margin: -13px 0 0 -13px;
  transform: rotate(45deg); border-radius: 5px;
  background: linear-gradient(135deg, #d9fff4, #7fe0c8 45%, #2e7f6e);
  box-shadow: 0 0 18px rgba(127, 224, 200, .45);
  transition: transform .15s, opacity .4s;
}
.ph-gem.press { transform: rotate(45deg) scale(.82); }
.phone.broken .ph-gem { opacity: 0; }
.ph-status { position: absolute; left: 34px; right: 20px; top: calc(45% + 128px); color: var(--mint); font-size: 12px; opacity: 0; transition: opacity .4s; }
.ph-step { opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; padding: 2px 0; color: var(--muted); }
.ph-step::before { content: "◌ "; color: var(--mint); }
.ph-step.on { opacity: 1; transform: none; }
.ph-step.ok { color: var(--text); }
.ph-step.ok::before { content: "✓ "; }
.ph-ripple { position: absolute; left: 50%; top: calc(45% + 150px); width: 26px; height: 26px; margin: -13px; border-radius: 50%; border: 2px solid var(--mint); opacity: 0; pointer-events: none; }
.ph-ripple.go { animation: ripple .9s ease-out; }
@keyframes ripple { 0% { opacity: .9; transform: scale(.6); } 100% { opacity: 0; transform: scale(9); } }
.ph-relock { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.9); white-space: nowrap; z-index: 6;
  background: rgba(11, 13, 23, .9); border: 1px solid rgba(127, 224, 200, .4); color: var(--mint); font-weight: 600; font-size: 13px;
  padding: 10px 16px; border-radius: 999px; opacity: 0; transition: opacity .35s, transform .35s; }
.phone.relocking .ph-relock { opacity: 1; transform: translate(-50%, -50%); }
.ph-status i { display: block; width: 160px; height: 3px; margin: 10px 0 0; border-radius: 3px; background: rgba(127, 224, 200, .15); overflow: hidden; position: relative; }
.ph-status i::after { content: ""; position: absolute; inset: 0; width: 40%; background: var(--mint); border-radius: 3px; animation: bar 1s ease-in-out infinite; }
@keyframes bar { from { transform: translateX(-100%); } to { transform: translateX(250%); } }
.phone.verifying .ph-status { opacity: 1; }
.ph-finger {
  position: absolute; left: -17px; top: -17px; width: 34px; height: 34px; border-radius: 50%; z-index: 4;
  background: radial-gradient(circle, rgba(255, 255, 255, .55), rgba(255, 255, 255, .12) 60%, transparent 70%);
  border: 2px solid rgba(255, 255, 255, .5); opacity: 0;
  transition: transform .3s ease, opacity .3s;
}
.ph-finger.show { opacity: .9; }
.ph-finger.down { box-shadow: 0 0 0 6px rgba(255, 255, 255, .12); }

/* coffre ouvert */
.ph-vault { position: absolute; inset: 0; padding: 46px 14px 0; opacity: 0; transform: translateY(24px) scale(.98); transition: opacity .55s, transform .55s; pointer-events: none; }
.phone.open .ph-vault { opacity: 1; transform: none; }
.phone.open .ph-lock { opacity: 0; transform: scale(1.06); }
.ph-line { display: flex; align-items: center; gap: 8px; }
.ph-name { color: var(--peri); font-size: 11px; font-weight: 600; }
.ph-badge { font-size: 10px; color: var(--mint); background: rgba(127, 224, 200, .12); border-radius: 999px; padding: 2px 8px; }
.ph-title { font-size: 22px; font-weight: 700; margin-top: 2px; }
.ph-count { font-size: 11px; color: var(--muted); margin-bottom: 12px; }
.ph-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.ph-thumb { position: relative; aspect-ratio: 1; border-radius: 10px; overflow: hidden; background: #121831; box-shadow: inset 0 0 0 1px rgba(127, 224, 200, .12); }
.ph-img { position: absolute; inset: 0; opacity: 0; transform: scale(1.08); transition: opacity .45s, transform .45s; }
.ph-ct { position: absolute; inset: 4px; font: 7px/1.25 ui-monospace, Consolas, monospace; color: rgba(127, 224, 200, .55); word-break: break-all; overflow: hidden; transition: opacity .3s; }
.ph-thumb.in .ph-img { opacity: 1; transform: none; }
.ph-thumb.in .ph-ct { opacity: 0; }
.ph-play, .ph-doc { z-index: 1; opacity: 0; transition: opacity .3s; }
.ph-thumb.in .ph-play, .ph-thumb.in .ph-doc { opacity: 1; }
.ph-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, .35) 50%, transparent 70%); transform: translateX(-120%); }
.ph-thumb.in::after { animation: sweep .9s ease-out .1s; }
.phone.still .ph-thumb.in::after { animation: none; }
@keyframes sweep { to { transform: translateX(120%); } }
.ph-play, .ph-doc { position: absolute; right: 6px; bottom: 5px; font-size: 10px; color: #fff; font-weight: 700; }
.ph-nav { position: absolute; left: 0; right: 0; bottom: 0; display: flex; justify-content: space-around; padding: 10px 6px 18px; background: #12162a; border-top: 1px solid var(--line); }
.ph-tab { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 9px; color: var(--muted); }
.ph-tab b { font-size: 15px; font-weight: 400; width: 40px; text-align: center; border-radius: 999px; padding: 1px 0; }
.ph-tab.on { color: var(--text); }
.ph-tab.on b { background: #26345c; color: #dce4ff; }
@media (max-width: 860px) { .phone { transform: scale(.86); margin: -40px auto; } }