/* =========================================================
   2-ICA PREMIUM UPGRADE — 2026-06-29
   Objectif : effet institution internationale + conversion + engagement sain.
   Chargé après les feuilles existantes pour préserver la compatibilité.
   ========================================================= */
:root{
  --premium-ink:#061225;
  --premium-navy:#08162c;
  --premium-blue:#2157c7;
  --premium-gold:#caa55a;
  --premium-gold-2:#f2dc9a;
  --premium-cream:#fff9ec;
  --premium-green:#10a36c;
  --premium-glass:rgba(255,255,255,.76);
  --premium-ring:rgba(202,165,90,.32);
  --premium-shadow:0 28px 80px rgba(8,22,44,.18);
}
html{scroll-behavior:smooth}
body{background:
  radial-gradient(circle at 8% 4%, rgba(202,165,90,.12), transparent 30rem),
  radial-gradient(circle at 94% 8%, rgba(33,87,199,.10), transparent 32rem),
  linear-gradient(180deg,#fbfcff 0%,#f6f8fc 48%,#ffffff 100%);
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.42;
  background-image:linear-gradient(rgba(8,22,44,.035) 1px, transparent 1px),linear-gradient(90deg,rgba(8,22,44,.035) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
}
.navbar{backdrop-filter:blur(22px);background:rgba(255,255,255,.80);border-bottom:1px solid rgba(202,165,90,.18)}
.navbar.is-scrolled{box-shadow:0 18px 48px rgba(8,22,44,.10)}
.nav-brand img{box-shadow:0 16px 34px rgba(8,22,44,.12),0 0 0 5px rgba(202,165,90,.10)}
.nav-links a,.account-chip{font-weight:800;letter-spacing:.01em}
.nav-phone{position:relative;overflow:hidden}
.nav-phone::after,.btn-gold::after,.btn-primary::after,.card-btn::after{
  content:"";position:absolute;inset:-100% auto -100% -35%;width:34%;transform:rotate(18deg);opacity:.45;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);animation:icaShine 5.8s ease-in-out infinite;
}
@keyframes icaShine{0%,54%{translate:-220% 0}70%,100%{translate:560% 0}}
.btn-gold,.btn-primary,.btn-outline,.btn-secondary,.card-btn{position:relative;overflow:hidden;isolation:isolate}
.btn-gold{background:linear-gradient(135deg,#fff0bd 0%,#d6b05d 38%,#b8852f 100%);box-shadow:0 18px 38px rgba(184,133,47,.26),0 0 0 1px rgba(255,255,255,.55) inset}
.btn-outline{background:rgba(255,255,255,.72);backdrop-filter:blur(10px);border-color:rgba(8,22,44,.16)}
.btn-secondary{background:linear-gradient(180deg,#fff,#f8fbff);border-color:rgba(8,22,44,.10);box-shadow:0 10px 24px rgba(8,22,44,.07)}
.card,.stat-card,.exam-card,.pillar-card,.home-subject-card,.testimonial-card,.contact-card,.value-card,.feature-card{backdrop-filter:blur(8px)}
.card:hover,.exam-card:hover,.pillar-card:hover,.home-subject-card:hover{border-color:rgba(202,165,90,.48);box-shadow:var(--premium-shadow)}
.section-tag{box-shadow:0 8px 22px rgba(202,165,90,.11);border:1px solid rgba(202,165,90,.16)}

/* -------- Home hero : plus premium, plus vendeur -------- */
body[data-page="home"] .hero-home{min-height:calc(100vh - 84px);display:grid;align-items:center;background:
  radial-gradient(circle at 78% 20%, rgba(202,165,90,.26), transparent 18rem),
  radial-gradient(circle at 22% 16%, rgba(33,87,199,.15), transparent 22rem),
  linear-gradient(135deg,#f9fbff 0%,#eef4ff 45%,#fff8e8 100%)}
body[data-page="home"] .hero-home::before{opacity:.9;background:
  linear-gradient(120deg,rgba(255,255,255,.72),rgba(255,255,255,.18) 42%,transparent),
  radial-gradient(circle at 50% 110%,rgba(8,22,44,.12),transparent 30rem)}
body[data-page="home"] .home-hero-copy h1{font-size:clamp(2.9rem,5.8vw,5.75rem);line-height:.95;letter-spacing:-.065em;max-width:880px;color:var(--premium-ink);text-wrap:balance}
body[data-page="home"] .home-hero-copy h1 .accent-word,
body[data-page="home"] .premium-gradient-text{background:linear-gradient(100deg,var(--premium-ink),#163c82 52%,#b8852f);-webkit-background-clip:text;background-clip:text;color:transparent}
body[data-page="home"] .home-hero-copy .subtitle{font-size:clamp(1.08rem,1.5vw,1.34rem);max-width:760px;color:#41506a;line-height:1.65}
body[data-page="home"] .hero-badge{background:linear-gradient(135deg,#07152a,#173b77);box-shadow:0 16px 34px rgba(8,22,44,.18),0 0 0 1px rgba(255,255,255,.12) inset}
body[data-page="home"] .hero-actions a{min-height:56px;font-size:1rem}
.hero-proof-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;max-width:780px}
.hero-proof-row span{display:inline-flex;align-items:center;gap:8px;padding:10px 13px;border-radius:999px;background:rgba(255,255,255,.64);border:1px solid rgba(8,22,44,.08);box-shadow:0 10px 24px rgba(8,22,44,.06);font-size:.9rem;color:#3b465b}
.hero-proof-row strong{color:var(--premium-ink)}
.hero-proof-row span::before{content:"✓";display:grid;place-items:center;width:20px;height:20px;border-radius:999px;background:rgba(16,163,108,.13);color:var(--premium-green);font-weight:900}
body[data-page="home"] .hero-trust-list span{background:rgba(255,255,255,.66);border-color:rgba(202,165,90,.24);box-shadow:0 8px 18px rgba(8,22,44,.05)}
body[data-page="home"] .home-hero-panel.is-taster{position:relative;transform-style:preserve-3d}
body[data-page="home"] .home-hero-panel.is-taster::before{display:block;content:"";position:absolute;inset:-28px;border-radius:40px;background:conic-gradient(from 180deg,rgba(202,165,90,.20),rgba(33,87,199,.18),rgba(16,163,108,.13),rgba(202,165,90,.20));filter:blur(22px);z-index:-1;opacity:.75;animation:premiumAura 7s ease-in-out infinite}
@keyframes premiumAura{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-8px) rotate(2deg)}}
.taster{border-radius:34px!important;border:1px solid rgba(202,165,90,.36)!important;box-shadow:0 36px 90px rgba(8,22,44,.20),0 0 0 8px rgba(255,255,255,.55)!important;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(255,250,240,.94))!important}
.taster::after{content:"";position:absolute;right:-70px;bottom:-80px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(202,165,90,.18),transparent 64%);pointer-events:none}
.ika-mini-mentor{display:grid;grid-template-columns:74px 1fr;gap:12px;align-items:center;margin:-2px 0 16px;padding:12px;border:1px solid rgba(8,22,44,.07);border-radius:24px;background:linear-gradient(135deg,#fff,rgba(244,235,214,.62));box-shadow:0 14px 26px rgba(8,22,44,.06)}
.ika-mini-mentor img{width:72px;height:72px;object-fit:contain;filter:drop-shadow(0 13px 16px rgba(8,22,44,.16))}
.ika-mini-mentor strong{display:block;color:var(--premium-ink);font-family:var(--font-display);font-size:1.05rem;line-height:1.05}
.ika-mini-mentor span{display:block;color:#647086;font-size:.84rem;margin-top:3px}
.taster-option{position:relative;overflow:hidden}
.taster-option::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(33,87,199,.07),transparent);translate:-110% 0;transition:translate .45s ease}.taster-option:hover::after{translate:110% 0}
.trust-strip{background:rgba(255,255,255,.70)!important;backdrop-filter:blur(16px)}
.trust-chip{position:relative}.trust-chip::after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;border-radius:999px;background:linear-gradient(90deg,transparent,var(--premium-gold),transparent);opacity:0;transform:scaleX(.4);transition:all .2s ease}.trust-chip:hover::after{opacity:1;transform:scaleX(1)}
body[data-page="home"] .stats-bar{align-items:stretch}.stat-card{background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.80));box-shadow:0 24px 48px rgba(8,22,44,.10)}
.stat-card::after{content:"";position:absolute;right:-34px;top:-34px;width:96px;height:96px;border-radius:50%;background:radial-gradient(circle,rgba(202,165,90,.16),transparent 68%)}

/* -------- Premium content sections -------- */
.premium-system{position:relative;overflow:hidden;background:
  radial-gradient(circle at 12% 18%,rgba(202,165,90,.14),transparent 24rem),
  radial-gradient(circle at 88% 18%,rgba(33,87,199,.10),transparent 24rem),
  linear-gradient(180deg,#ffffff 0%,#f4f7fc 100%)}
.premium-system-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.premium-lever{padding:24px;border-radius:28px;background:rgba(255,255,255,.82);border:1px solid rgba(8,22,44,.08);box-shadow:0 18px 42px rgba(8,22,44,.08);position:relative;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.premium-lever:hover{transform:translateY(-6px);box-shadow:var(--premium-shadow);border-color:rgba(202,165,90,.38)}
.premium-lever::before{content:attr(data-step);display:grid;place-items:center;width:44px;height:44px;border-radius:16px;margin-bottom:18px;background:linear-gradient(135deg,var(--premium-ink),#173b77);color:#fff;font-weight:900;box-shadow:0 14px 28px rgba(8,22,44,.18)}
.premium-lever::after{content:"";position:absolute;inset:auto -40px -50px auto;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(202,165,90,.14),transparent 62%)}
.premium-lever h3{font-size:1.24rem;margin-bottom:10px}.premium-lever p{color:#607087;line-height:1.58}.premium-lever strong{color:var(--premium-ink)}
.ika-showcase{background:linear-gradient(135deg,#07152a,#0e2244 54%,#172f57);color:#fff;overflow:hidden;position:relative}
.ika-showcase::before{content:"";position:absolute;inset:-30% -10% auto auto;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(202,165,90,.30),transparent 68%)}
.ika-showcase::after{content:"";position:absolute;inset:auto auto -22% -10%;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(33,87,199,.32),transparent 65%)}
.ika-showcase .container{position:relative;z-index:1;display:grid;grid-template-columns:.86fr 1.14fr;gap:42px;align-items:center}
.ika-showcase-visual{min-height:340px;border-radius:42px;display:grid;place-items:center;background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.16);box-shadow:0 36px 84px rgba(0,0,0,.28);position:relative;overflow:hidden}
.ika-showcase-visual::before{content:"";position:absolute;inset:26px;border-radius:34px;border:1px dashed rgba(242,220,154,.24)}
.ika-showcase-visual img{width:min(300px,74vw);height:auto;filter:drop-shadow(0 32px 34px rgba(0,0,0,.32));animation:ikaFloatPremium 5.8s ease-in-out infinite}
@keyframes ikaFloatPremium{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-10px) rotate(1deg)}}
.ika-showcase .section-tag{background:rgba(242,220,154,.14);color:#ffe6a3;border-color:rgba(242,220,154,.20)}
.ika-showcase h2{color:#fff;font-size:clamp(2.2rem,4vw,4.2rem);letter-spacing:-.045em;text-wrap:balance}
.ika-showcase p{color:rgba(255,255,255,.76);font-size:1.08rem;line-height:1.68}.ika-showcase-list{display:grid;gap:14px;margin:24px 0}.ika-showcase-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.85)}.ika-showcase-list li::before{content:"✦";color:#ffe6a3;margin-top:1px}.ika-showcase .btn-outline{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.22);color:#fff}.ika-showcase .btn-gold{color:#07152a}
.premium-decision-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}.decision-card{padding:30px;border-radius:34px;background:linear-gradient(180deg,#fff,rgba(255,255,255,.78));border:1px solid rgba(8,22,44,.08);box-shadow:0 22px 50px rgba(8,22,44,.08)}.decision-list{display:grid;gap:12px;margin:20px 0 0}.decision-list span{display:flex;gap:10px;align-items:flex-start;color:#526176}.decision-list span::before{content:"✓";font-weight:900;color:var(--premium-green)}.scarcity-card{background:linear-gradient(135deg,#07152a,#16376b);color:#fff}.scarcity-card h3{color:#fff}.scarcity-card p,.scarcity-card .decision-list span{color:rgba(255,255,255,.78)}
body[data-page="home"] .cta-band{border:1px solid rgba(202,165,90,.24);box-shadow:0 30px 80px rgba(8,22,44,.13);background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,248,232,.84))}
body[data-page="home"] .cta-band h2{font-size:clamp(2rem,3.2vw,3.4rem);letter-spacing:-.04em}

/* -------- Mascotte flottante réaliste -------- */
.ika-avatar{border-radius:36px!important;background:radial-gradient(circle at 30% 22%,rgba(255,255,255,.96),rgba(255,251,240,.88) 30%,rgba(202,165,90,.14) 55%,rgba(8,22,44,.08) 100%)!important;box-shadow:0 28px 70px rgba(8,22,44,.22), inset 0 1px 0 rgba(255,255,255,.8)!important;border:1px solid rgba(202,165,90,.24)!important}.ika-avatar img.ika-realistic-img{width:108px;height:108px;object-fit:contain;filter:drop-shadow(0 18px 18px rgba(8,22,44,.20));transition:transform .25s ease,filter .25s ease}.ika-avatar:hover img.ika-realistic-img{transform:scale(1.045) rotate(-1deg)}.ika-mascot.is-hidden .ika-avatar img.ika-realistic-img{width:48px;height:48px}.ika-bubble{font-weight:650;border-color:rgba(202,165,90,.30)!important;background:linear-gradient(180deg,#fffaf0,#fff)!important;box-shadow:0 24px 46px rgba(8,22,44,.15)!important}.ika-avatar.is-happy img.ika-realistic-img,.ika-avatar.is-celebrating img.ika-realistic-img{transform:translateY(-4px) scale(1.04)}.ika-avatar.is-thinking img.ika-realistic-img{transform:rotate(-3deg)}

/* -------- Smart CTA créé par JS -------- */
.smart-cta{position:fixed;left:18px;bottom:20px;z-index:999;display:grid;grid-template-columns:auto auto;gap:10px;align-items:center;padding:10px 10px 10px 14px;border-radius:999px;background:rgba(255,255,255,.88);border:1px solid rgba(202,165,90,.26);backdrop-filter:blur(18px);box-shadow:0 24px 58px rgba(8,22,44,.16);transform:translateY(18px);opacity:0;transition:all .32s ease}.smart-cta.is-visible{opacity:1;transform:none}.smart-cta strong{font-size:.92rem;color:var(--premium-ink);white-space:nowrap}.smart-cta span{font-size:.78rem;color:#607087;display:block}.smart-cta a{padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,#fff0bd,#caa55a);font-weight:900;color:#07152a}.smart-cta button{border:0;background:transparent;color:#7b8496;font-weight:900;cursor:pointer;padding:8px}
.premium-ready .premium-lever,.premium-ready .decision-card{will-change:transform}

/* -------- Pages internes : finition internationale -------- */
.page-hero{background:linear-gradient(135deg,#f7faff,#fff7e7)}.page-hero .lead{max-width:820px}.course-card,.quiz-card-mini,.pathway-card,.lang-card{box-shadow:0 16px 38px rgba(8,22,44,.07)}.course-nav-pill:hover,.filter-btn:hover{transform:translateY(-1px)}

@media (max-width:1100px){.premium-system-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ika-showcase .container,.premium-decision-grid{grid-template-columns:1fr}body[data-page="home"] .hero-home{min-height:auto}.ika-showcase-visual{min-height:280px}}
@media (max-width:760px){body[data-page="home"] .home-hero-copy h1{font-size:clamp(2.35rem,11vw,3.25rem)}.hero-proof-row span{width:100%;justify-content:flex-start}.premium-system-grid{grid-template-columns:1fr}.premium-lever{padding:22px}.ika-mini-mentor{grid-template-columns:60px 1fr}.ika-mini-mentor img{width:58px;height:58px}.ika-showcase .container{gap:24px}.ika-showcase-visual{border-radius:28px;min-height:240px}.ika-showcase-visual img{width:min(230px,70vw)}.smart-cta{display:none}.nav-phone{display:none}.premium-decision-grid{gap:16px}.decision-card{padding:24px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}