/* ============================================================
   IVANN 68 — Landing page <front>
   Sentinel : LANDING_V1
   ============================================================ */
/* LANDING_V1 */

.ivann-landing {
    font-family: 'Inter', system-ui, sans-serif;
    color: #e8eaf3;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px 60px;
}
.ivann-landing * { box-sizing: border-box; }

/* --- Apparition au scroll --- */
.ivann-reveal {
    opacity: 0; transform: translateY(28px);
    transition: opacity 600ms ease, transform 600ms ease;
}
.ivann-reveal.is-visible { opacity: 1; transform: none; }

/* === HERO === */
.ivann-landing__hero {
    position: relative;
    display: flex; flex-direction: column; align-items: center;
    text-align: center;
    padding: 70px 24px 64px;
    margin: 18px 0 28px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(124, 92, 255, 0.3);
    background:
        radial-gradient(ellipse 60% 80% at 20% 0%, rgba(103, 232, 249, 0.16), transparent 60%),
        radial-gradient(ellipse 60% 80% at 85% 20%, rgba(192, 132, 252, 0.2), transparent 60%),
        linear-gradient(160deg, #14112e 0%, #0a0e14 55%, #1a0e26 100%);
}
.ivann-landing__hero::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(124, 92, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 92, 255, 0.06) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000, transparent 75%);
}
.ivann-landing__hero > * { position: relative; }
.ivann-landing__eyebrow {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 6px 14px; border-radius: 999px;
    background: rgba(124, 92, 255, 0.14);
    border: 1px solid rgba(124, 92, 255, 0.4);
    font-size: 12px; font-weight: 700; letter-spacing: 1.5px;
    text-transform: uppercase; color: #c4b5fd;
}
.ivann-landing__eyebrow svg { width: 14px; height: 14px; }
.ivann-landing__title {
    font-family: 'Rajdhani', 'Inter', sans-serif;
    font-size: clamp(46px, 8vw, 86px); font-weight: 800;
    line-height: 1.02; letter-spacing: 1px;
    margin: 18px 0 6px;
    background: linear-gradient(100deg, #67e8f9 0%, #c084fc 50%, #f0abfc 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    filter: drop-shadow(0 4px 30px rgba(192, 132, 252, 0.35));
}
.ivann-landing__tagline {
    font-size: clamp(15px, 2vw, 19px); color: #b8bdd1;
    max-width: 620px; margin: 0 auto 30px; line-height: 1.6;
}
.ivann-landing__cta-row {
    display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.ivann-btn {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 14px 28px; border-radius: 12px;
    font-size: 15px; font-weight: 800; text-decoration: none;
    cursor: pointer; border: 0;
    transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}
.ivann-btn svg { width: 18px; height: 18px; }
.ivann-btn--primary {
    background: linear-gradient(135deg, #7c5cff, #c084fc);
    color: #fff;
    box-shadow: 0 10px 30px -8px rgba(124, 92, 255, 0.7);
}
.ivann-btn--primary:hover { transform: translateY(-3px); filter: brightness(1.12); }
.ivann-btn--ghost {
    background: rgba(255, 255, 255, 0.05);
    color: #e8eaf3;
    border: 1px solid rgba(255, 255, 255, 0.18);
}
.ivann-btn--ghost:hover { transform: translateY(-3px); border-color: #67e8f9; color: #67e8f9; }

.ivann-landing__hero-stats {
    display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
    margin-top: 40px;
}
.ivann-landing__hstat {
    min-width: 120px; padding: 14px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.ivann-landing__hstat-v {
    font-family: 'Rajdhani', sans-serif;
    font-size: 30px; font-weight: 800; color: #fde047;
    line-height: 1;
}
.ivann-landing__hstat-l {
    font-size: 11px; color: #8b93ad; text-transform: uppercase;
    letter-spacing: 1px; margin-top: 6px;
}

/* === Sections génériques === */
.ivann-landing__section {
    margin: 64px 0;
    display: flex; flex-direction: column; align-items: center;
}
.ivann-landing__modes,
.ivann-landing__loop,
.ivann-landing__levels,
.ivann-landing__cta-row,
.ivann-landing__hero-stats { width: 100%; }
.ivann-landing__kicker {
    text-align: center; font-size: 12px; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase; color: #67e8f9;
}
.ivann-landing__h2 {
    font-family: 'Rajdhani', sans-serif;
    text-align: center; font-size: clamp(28px, 4vw, 40px);
    font-weight: 800; color: #fff; margin: 8px 0 8px;
}
.ivann-landing__sub {
    text-align: center; color: #8b93ad; font-size: 15px;
    max-width: 560px; margin: 0 auto 34px; line-height: 1.6;
}

/* === Modes === */
.ivann-landing__modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
}
.ivann-landing__mode {
    border-radius: 16px; padding: 24px;
    text-decoration: none; display: block;
    border: 1px solid var(--mc, #2d3748);
    background: linear-gradient(160deg, var(--mbg, #1a1f2e), #0a0e14);
    transition: transform 200ms ease, box-shadow 200ms ease;
}
.ivann-landing__mode:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.7);
}
.ivann-landing__mode-icon { font-size: 38px; margin-bottom: 12px; }
.ivann-landing__mode-name {
    font-size: 19px; font-weight: 800; color: #fff; margin-bottom: 6px;
}
.ivann-landing__mode-desc { font-size: 13px; color: #9aa1ba; line-height: 1.5; }

/* === Boucle / loop === */
.ivann-landing__loop {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}
.ivann-landing__step {
    position: relative;
    border-radius: 14px; padding: 22px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}
.ivann-landing__step-num {
    width: 38px; height: 38px; margin: 0 auto 12px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #7c5cff, #67e8f9);
    color: #0a0e14; font-weight: 900; font-size: 16px;
}
.ivann-landing__step-t { font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 5px; }
.ivann-landing__step-d { font-size: 12.5px; color: #9aa1ba; line-height: 1.5; }

/* === Niveaux === */
.ivann-landing__levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}
.ivann-landing__level {
    border-radius: 14px; padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-left: 4px solid var(--lc, #67e8f9);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.ivann-landing__level-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--lc, #67e8f9); display: inline-block; margin-right: 8px;
    box-shadow: 0 0 10px var(--lc, #67e8f9);
}
.ivann-landing__level-name { font-size: 16px; font-weight: 800; color: #fff; }
.ivann-landing__level-d { font-size: 12.5px; color: #9aa1ba; margin-top: 8px; line-height: 1.5; }

/* === CTA final === */
.ivann-landing__final {
    text-align: center;
    display: flex; flex-direction: column; align-items: center;
    border-radius: 22px;
    padding: 56px 24px;
    background:
        radial-gradient(ellipse 50% 100% at 50% 0%, rgba(192, 132, 252, 0.22), transparent 70%),
        linear-gradient(160deg, #1a0e26, #0a0e14);
    border: 1px solid rgba(192, 132, 252, 0.3);
}
.ivann-landing__final h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(28px, 5vw, 46px); font-weight: 800;
    color: #fff; margin: 0 0 10px;
}
.ivann-landing__final p { color: #b8bdd1; margin: 0 0 26px; font-size: 15px; }

@media (max-width: 600px) {
    .ivann-landing__hero { padding: 50px 16px 44px; }
    .ivann-landing__section { margin: 48px 0; }
}