/* Une Voix — landing produit. Charte : fond sombre premium + accent TURQUOISE (cohérent widget).
   Turquoise #14c9c0 · clair #3cf0e4 · profond #0fb2aa. Relief, profondeur, transitions. */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap");

:root {
  --tq: #14c9c0;
  --tq-2: #3cf0e4;
  --tq-deep: #0fb2aa;
  --bg: #0a0d12;
  --bg-2: #0f141b;
  --ink: #eaf2f2;
  --muted: #9fb0b3;
  --card: rgba(255, 255, 255, .04);
  --stroke: rgba(255, 255, 255, .09);
  --shadow: 0 24px 60px rgba(0, 0, 0, .5);
  --radius: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 700px at 80% -10%, #10202a 0%, transparent 60%),
              radial-gradient(900px 600px at 0% 20%, #0d1a20 0%, transparent 55%),
              var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.grad {
  background: linear-gradient(120deg, var(--tq-2), var(--tq));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* halo d'ambiance flottant */
.bg-orbs { position: fixed; inset: 0; z-index: -1; pointer-events: none; filter: blur(60px); opacity: .5; }
.bg-orbs span { position: absolute; border-radius: 50%; }
.bg-orbs span:nth-child(1) { width: 420px; height: 420px; top: -80px; right: -60px; background: radial-gradient(circle, rgba(20,201,192,.45), transparent 70%); animation: float 14s ease-in-out infinite; }
.bg-orbs span:nth-child(2) { width: 360px; height: 360px; top: 40%; left: -100px; background: radial-gradient(circle, rgba(60,240,228,.28), transparent 70%); animation: float 18s ease-in-out infinite reverse; }
.bg-orbs span:nth-child(3) { width: 300px; height: 300px; bottom: -60px; left: 45%; background: radial-gradient(circle, rgba(15,178,170,.3), transparent 70%); animation: float 16s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0) translateX(0); } 50% { transform: translateY(-30px) translateX(20px); } }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  padding: 16px clamp(20px, 5vw, 64px);
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(10,13,18,.85), rgba(10,13,18,.35));
  border-bottom: 1px solid var(--stroke);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  color: #052c2a; background: linear-gradient(135deg, var(--tq-2), var(--tq-deep));
  box-shadow: 0 8px 22px rgba(20,201,192,.45), inset 0 1px 0 rgba(255,255,255,.4);
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-name { font-weight: 800; font-size: 20px; letter-spacing: .3px; }
.brand-name span { color: var(--tq); }
.brand-name.small { font-size: 17px; }
.nav-links { margin-left: auto; display: flex; gap: 26px; font-size: 14.5px; color: var(--muted); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { margin-left: 8px; }
@media (max-width: 860px) { .nav-links { display: none; } .nav-cta { margin-left: auto; } }

/* ===== BOUTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
  font-family: inherit; font-weight: 700; font-size: 15px; letter-spacing: .2px;
  padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  transition: transform .18s, box-shadow .25s, background .25s, border-color .2s;
}
.btn-ic { display: grid; place-items: center; }
.btn-ic svg { width: 18px; height: 18px; }
.btn-primary {
  color: #04302d; background: linear-gradient(135deg, var(--tq-2), var(--tq));
  box-shadow: 0 12px 30px rgba(20,201,192,.4), inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(20,201,192,.55); }
.btn-ghost { color: var(--ink); border-color: var(--stroke); background: rgba(255,255,255,.03); }
.btn-ghost:hover { border-color: var(--tq); color: var(--tq-2); transform: translateY(-1px); }
.btn-lg { font-size: 16.5px; padding: 16px 30px; }

/* ===== HERO ===== */
.hero {
  display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 40px;
  padding: clamp(48px, 8vw, 100px) clamp(20px, 5vw, 64px);
  max-width: 1240px; margin: 0 auto;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  color: var(--tq-2); padding: 7px 14px; border-radius: 999px;
  background: rgba(20,201,192,.09); border: 1px solid rgba(20,201,192,.25);
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--tq); box-shadow: 0 0 0 4px rgba(20,201,192,.2); animation: blink 2s infinite; }
@keyframes blink { 50% { opacity: .4; } }
h1 {
  font-size: clamp(40px, 6.2vw, 72px); font-weight: 900; line-height: 1.03;
  letter-spacing: -1.5px; margin: 20px 0 18px;
}
.lead { font-size: clamp(16px, 1.7vw, 19px); color: var(--muted); max-width: 560px; }
.lead strong { color: var(--ink); font-weight: 700; }
.hero-actions { margin-top: 32px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero-hint { font-size: 13.5px; color: var(--muted); }

/* orbe vocal — pièce maîtresse */
.hero-orb { display: grid; place-items: center; }
.orb {
  position: relative; width: 260px; height: 260px; border: none; background: none; cursor: pointer;
  display: grid; place-items: center;
}
.orb-core {
  position: relative; z-index: 3; width: 128px; height: 128px; border-radius: 50%;
  display: grid; place-items: center; color: #04302d;
  background: radial-gradient(circle at 35% 28%, var(--tq-2), var(--tq-deep));
  box-shadow: 0 20px 50px rgba(20,201,192,.5), inset 0 3px 0 rgba(255,255,255,.4);
  transition: transform .2s;
}
.orb:hover .orb-core { transform: scale(1.06); }
.orb-core svg { width: 52px; height: 52px; }
.orb-ring {
  position: absolute; inset: 0; margin: auto; width: 128px; height: 128px; border-radius: 50%;
  border: 2px solid var(--tq); opacity: 0; pointer-events: none;
  animation: wave 3s ease-out infinite;
}
.orb-ring:nth-child(2) { animation-delay: 1s; }
.orb-ring:nth-child(3) { animation-delay: 2s; }
@keyframes wave { 0% { transform: scale(1); opacity: .55; } 100% { transform: scale(2.05); opacity: 0; } }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { order: 2; }
  .eyebrow { justify-content: center; }
  .lead { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .hero-orb { order: 1; }
  .orb { width: 220px; height: 220px; }
}

/* ===== SECTIONS ===== */
.section { max-width: 1160px; margin: 0 auto; padding: clamp(40px, 7vw, 84px) clamp(20px, 5vw, 64px); }
.section-title { font-size: clamp(28px, 4vw, 44px); font-weight: 800; letter-spacing: -.8px; text-align: center; }
.section-sub { text-align: center; color: var(--muted); font-size: 17px; margin: 14px auto 0; max-width: 620px; }

/* versus */
.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 44px; }
.vs { padding: 28px 26px; border-radius: var(--radius); border: 1px solid var(--stroke); }
.vs h3 { font-size: 18px; margin-bottom: 16px; }
.vs ul { list-style: none; display: grid; gap: 12px; }
.vs li { position: relative; padding-left: 28px; color: var(--muted); font-size: 15px; }
.vs li::before { position: absolute; left: 0; top: -1px; font-size: 16px; }
.vs-cold { background: rgba(255,255,255,.02); }
.vs-cold li::before { content: "✕"; color: #ff6b6b; }
.vs-warm { background: linear-gradient(160deg, rgba(20,201,192,.12), rgba(20,201,192,.03)); border-color: rgba(20,201,192,.35); box-shadow: var(--shadow); }
.vs-warm h3 { color: var(--tq-2); }
.vs-warm li { color: var(--ink); }
.vs-warm li::before { content: "✓"; color: var(--tq); font-weight: 800; }
@media (max-width: 760px) { .versus { grid-template-columns: 1fr; } }

/* cards capacités */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 44px; }
.card {
  padding: 26px 22px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--stroke);
  box-shadow: 0 12px 30px rgba(0,0,0,.3);
  transition: transform .22s, border-color .22s, box-shadow .22s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(20,201,192,.45); box-shadow: 0 22px 46px rgba(20,201,192,.18); }
.card-ic {
  display: grid; place-items: center; width: 50px; height: 50px; border-radius: 14px; font-size: 24px;
  background: rgba(20,201,192,.12); border: 1px solid rgba(20,201,192,.25); margin-bottom: 16px;
}
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); }
@media (max-width: 980px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .cards { grid-template-columns: 1fr; } }

/* étapes */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.step { position: relative; padding: 30px 26px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--stroke); }
.step-n {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  font-weight: 900; font-size: 18px; color: #04302d;
  background: linear-gradient(135deg, var(--tq-2), var(--tq)); box-shadow: 0 8px 20px rgba(20,201,192,.4);
  margin-bottom: 18px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--muted); }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }

/* CTA final */
.cta-final { padding: clamp(30px, 6vw, 70px) clamp(20px, 5vw, 64px) 90px; }
.cta-glass {
  max-width: 860px; margin: 0 auto; text-align: center;
  padding: clamp(36px, 6vw, 64px); border-radius: 28px;
  background: linear-gradient(160deg, rgba(20,201,192,.14), rgba(255,255,255,.03));
  border: 1px solid rgba(20,201,192,.3);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
}
.cta-glass h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; letter-spacing: -.6px; }
.cta-glass p { color: var(--muted); font-size: 17px; margin: 14px auto 28px; max-width: 520px; }

/* footer */
.foot {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 26px clamp(20px, 5vw, 64px); border-top: 1px solid var(--stroke); color: var(--muted); font-size: 14px;
}
.foot .brand-name span { color: var(--tq); }

/* apparition au scroll — contenu VISIBLE par défaut ; .in ne fait que REJOUER une entrée
   (jamais masquer) → robuste même si le JS ne tourne pas, et capturable en fullpage. */
.reveal.in { animation: reveal-up .6s cubic-bezier(.2,.9,.25,1) both; }
@keyframes reveal-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .reveal.in { animation: none; } .bg-orbs span, .orb-ring, .eyebrow .dot { animation: none; } }