/* ============================================================
   BRILLE — Feuille de style principale
   La Plateforme Internationale des Leaders qui Inspirent
   ============================================================ */

:root {
    --navy-deep:  #07091A;
    --navy:       #0D1229;
    --navy-mid:   #111635;
    --navy-light: #1A2050;
    --gold:       #C9A84C;
    --gold-light: #E5C97A;
    --gold-pale:  #F5E6C0;
    --gold-dark:  #9A7228;
    --white:      #FFFFFF;
    --off-white:  #F5F4EF;
    --text-body:  #C8CDD8;
    --text-muted: #7A88A0;
    --border-gold:   rgba(201,168,76,0.25);
    --border-subtle: rgba(255,255,255,0.06);
    --glass: rgba(13,18,41,0.75);

    --font-display: 'Cinzel', serif;
    --font-elegant: 'Cormorant Garamond', serif;
    --font-body:    'Montserrat', sans-serif;

    --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    --shadow-gold: 0 0 40px rgba(201,168,76,0.15);
    --shadow-card: 0 20px 60px rgba(0,0,0,0.4);
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  {
    background: var(--navy-deep);
    color: var(--text-body);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
}
img  { max-width: 100%; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }

::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: var(--navy-deep); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ── Layout helpers ─────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 48px; }
.section   { padding: 120px 0; }

/* ── Typography ─────────────────────────────────────────── */
.label {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 14px;
}

.title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: 0.04em;
}
.title--xl { font-size: clamp(2.8rem, 6vw, 5rem); }
.title--sm { font-size: clamp(1.4rem, 2.5vw, 2rem); }

.subtitle {
    font-family: var(--font-elegant);
    font-size: clamp(1.05rem, 1.8vw, 1.35rem);
    font-weight: 300;
    color: var(--text-body);
    line-height: 1.85;
    font-style: italic;
}

.text {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--text-body);
    line-height: 1.9;
}

.gold  { color: var(--gold); }
.white { color: var(--white); }

.divider {
    width: 56px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 22px auto;
}
.divider--left { margin-left: 0; }

/* ── Boutons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}
.btn--gold {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light));
    color: var(--navy-deep);
}
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(201,168,76,0.38); }

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.28);
}
.btn--outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

.btn--outline-gold {
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--border-gold);
}
.btn--outline-gold:hover { background: var(--gold); color: var(--navy-deep); transform: translateY(-2px); }

/* ── Navigation ──────────────────────────────────────────── */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition);
}
.nav.scrolled {
    background: rgba(7,9,26,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 14px 0;
    border-bottom: 1px solid var(--border-gold);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo { display: flex; flex-direction: column; gap: 2px; }
.nav__logo-name {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.14em;
    line-height: 1;
}
.nav__logo-name span { color: var(--gold); }
.nav__logo-tagline {
    font-size: 7.5px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav__link {
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-body);
    transition: var(--transition);
    position: relative;
}
.nav__link::after {
    content: '';
    position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--gold);
    transition: var(--transition);
}
.nav__link:hover { color: var(--white); }
.nav__link:hover::after { width: 100%; }

.nav__cta {
    padding: 10px 22px;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    color: var(--navy-deep);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}
.nav__cta:hover { box-shadow: 0 6px 24px rgba(201,168,76,0.38); transform: translateY(-1px); }

.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}
.nav__hamburger span {
    display: block; width: 24px; height: 1.5px;
    background: var(--white);
    transition: var(--transition);
}

/* Menu mobile */
.nav__mobile {
    display: none;
    position: fixed; inset: 0;
    background: rgba(7,9,26,0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
    backdrop-filter: blur(20px);
}
.nav__mobile.open { display: flex; }
.nav__mobile-link {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: var(--transition);
}
.nav__mobile-link:hover { color: var(--gold); }
.nav__mobile-close {
    position: absolute; top: 28px; right: 28px;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    background: none;
    border: none;
    line-height: 1;
    transition: var(--transition);
}
.nav__mobile-close:hover { color: var(--gold); }

/* ── Héros ───────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
}
#hero-canvas {
    position: absolute; inset: 0;
    z-index: 0;
    width: 100%; height: 100%;
}
.hero__globe {
    position: absolute;
    bottom: -8%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px; height: 500px;
    background: radial-gradient(ellipse at center top,
        rgba(201,168,76,0.07) 0%,
        rgba(20,40,120,0.18) 40%,
        transparent 70%);
    border-top: 1px solid rgba(201,168,76,0.14);
    border-radius: 50% 50% 0 0;
    z-index: 1;
    pointer-events: none;
}
.hero__globe::before {
    content: '';
    position: absolute; top: -1px; left: 50%;
    transform: translateX(-50%);
    width: 140px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    filter: blur(1px);
    box-shadow: 0 0 20px var(--gold);
}
.hero__content {
    position: relative; z-index: 2;
    max-width: 920px;
    padding: 0 24px;
}
.hero__eyebrow {
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
}
.hero__eyebrow::before, .hero__eyebrow::after {
    content: '';
    width: 36px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold));
}
.hero__eyebrow::after { background: linear-gradient(90deg, var(--gold), transparent); }

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.1em;
    line-height: 0.95;
    margin-bottom: 6px;
}
.hero__title-gradient {
    color: transparent;
    background: linear-gradient(135deg, var(--gold-dark) 10%, var(--gold-light) 55%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__platform {
    font-family: var(--font-body);
    font-size: clamp(0.65rem, 1.2vw, 0.85rem);
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 14px 0 28px;
}

.hero__subtitle {
    font-family: var(--font-elegant);
    font-size: clamp(1.15rem, 2.4vw, 1.65rem);
    font-weight: 300;
    color: var(--text-body);
    line-height: 1.7;
    font-style: italic;
    max-width: 680px;
    margin: 0 auto 16px;
}

.hero__tagline {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 52px;
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute; bottom: 40px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.hero__scroll-text {
    font-size: 8.5px; font-weight: 600;
    letter-spacing: 0.3em; text-transform: uppercase;
    color: var(--text-muted);
}
.hero__scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scroll-pulse 1.6s ease-in-out infinite;
}
@keyframes scroll-pulse {
    0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
    49%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
    50%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ── Statistiques ────────────────────────────────────────── */
.stats {
    background: var(--navy);
    border-top: 1px solid var(--border-gold);
    border-bottom: 1px solid var(--border-gold);
    padding: 52px 0;
}
.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.stats__item {
    text-align: center;
    padding: 20px 24px;
    position: relative;
}
.stats__item:not(:last-child)::after {
    content: '';
    position: absolute; right: 0; top: 20%; height: 60%;
    width: 1px; background: var(--border-gold);
}
.stats__number {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.04em;
    line-height: 1;
    margin-bottom: 6px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}
.stats__suffix {
    font-size: 1.4rem;
    color: var(--gold);
    font-family: var(--font-display);
}
.stats__label {
    font-size: 9.5px; font-weight: 500;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--text-muted);
}

/* ── À propos ─────────────────────────────────────────────── */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 96px;
    align-items: center;
}
.about__visual { position: relative; }
.about__frame {
    position: relative;
    aspect-ratio: 4/5;
    background: var(--navy-light);
    overflow: hidden;
}
.about__frame::before {
    content: '';
    position: absolute;
    top: -18px; left: -18px; right: 18px; bottom: 18px;
    border: 1px solid var(--border-gold);
    z-index: -1;
}
.about__frame-inner {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #111535 0%, #1a2050 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem;
    color: rgba(201,168,76,0.12);
}
.about__badge {
    position: absolute; bottom: -28px; right: -28px;
    width: 116px; height: 116px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    display: flex; align-items: center; justify-content: center;
    flex-direction: column; text-align: center; padding: 12px;
}
.about__badge-num {
    font-family: var(--font-display);
    font-size: 1.9rem; font-weight: 700;
    color: var(--navy-deep); line-height: 1;
}
.about__badge-lbl {
    font-size: 7.5px; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--navy-deep); margin-top: 4px;
}

.about__intro {
    font-family: var(--font-elegant);
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 300;
    color: var(--white);
    line-height: 1.78;
    margin-bottom: 24px;
}

/* ── Vision & Mission ─────────────────────────────────────── */
.vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
}
.vm-card {
    padding: 64px 52px;
    position: relative;
    overflow: hidden;
}
.vm-card--vision  { background: var(--navy); }
.vm-card--mission { background: var(--navy-mid); }
.vm-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold), transparent);
}
.vm-card__bg {
    position: absolute; top: 12px; right: 28px;
    font-family: var(--font-display);
    font-size: 7rem; font-weight: 700;
    color: rgba(201,168,76,0.04);
    pointer-events: none; user-select: none;
    line-height: 1;
}

/* ── Valeurs ──────────────────────────────────────────────── */
.values__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-top: 64px;
}
.value-card {
    background: var(--navy);
    padding: 48px 36px;
    position: relative;
    transition: var(--transition);
    cursor: default;
}
.value-card::after {
    content: '';
    position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
    transition: var(--transition);
}
.value-card:hover { background: var(--navy-mid); }
.value-card:hover::after { width: 100%; }
.value-card__icon { font-size: 1.7rem; color: var(--gold); margin-bottom: 18px; display: block; }
.value-card__name {
    font-family: var(--font-display);
    font-size: 0.95rem; font-weight: 600;
    color: var(--white); letter-spacing: 0.1em;
    text-transform: uppercase; margin-bottom: 10px;
}
.value-card__text { font-size: 0.84rem; color: var(--text-muted); line-height: 1.8; }

/* ── Piliers ──────────────────────────────────────────────── */
.pillars__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 64px;
    border: 1px solid var(--border-gold);
}
.pillar {
    padding: 56px 36px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    border-right: 1px solid var(--border-gold);
}
.pillar:last-child { border-right: none; }
.pillar:hover { background: rgba(201,168,76,0.03); }
.pillar__num {
    font-family: var(--font-display);
    font-size: 0.68rem; font-weight: 600;
    letter-spacing: 0.25em; color: var(--gold);
    margin-bottom: 22px; opacity: 0.55;
}
.pillar__icon { font-size: 2.3rem; margin-bottom: 18px; display: block; }
.pillar__name {
    font-family: var(--font-display);
    font-size: 0.88rem; font-weight: 600;
    color: var(--white); letter-spacing: 0.18em;
    text-transform: uppercase; margin-bottom: 14px;
}
.pillar__text { font-size: 0.8rem; color: var(--text-muted); line-height: 1.85; }

/* ── Sommet ───────────────────────────────────────────────── */
.summit {
    position: relative; overflow: hidden;
    background: var(--navy);
}
.summit__bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 72% 50%, rgba(201,168,76,0.06) 0%, transparent 58%),
        radial-gradient(ellipse at 10% 80%, rgba(20,40,150,0.14) 0%, transparent 48%);
    pointer-events: none;
}
.summit__inner { position: relative; z-index: 1; }
.summit__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 72px;
}
.summit__event-card {
    background: rgba(7,9,26,0.85);
    border: 1px solid var(--border-gold);
    padding: 48px;
    position: relative;
}
.summit__event-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light));
}
.summit__date-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    background: rgba(201,168,76,0.09);
    border: 1px solid var(--border-gold);
    margin-bottom: 28px;
}
.summit__date-chip span {
    font-size: 9.5px; font-weight: 600;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--gold);
}
.summit__details { margin-top: 32px; display: flex; flex-direction: column; gap: 14px; }
.summit__detail  { display: flex; align-items: center; gap: 14px; font-size: 0.875rem; color: var(--text-body); }
.summit__detail-icon {
    width: 38px; height: 38px;
    background: rgba(201,168,76,0.08);
    border: 1px solid var(--border-gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}
.summit__features { display: flex; flex-direction: column; gap: 22px; }
.summit__feature {
    display: flex; gap: 22px; align-items: flex-start;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border-subtle);
}
.summit__feature:last-child { border-bottom: none; padding-bottom: 0; }
.summit__feature-num {
    font-family: var(--font-display);
    font-size: 1.5rem; font-weight: 700;
    color: rgba(201,168,76,0.3);
    line-height: 1; flex-shrink: 0; min-width: 40px;
}
.summit__feature-title {
    font-family: var(--font-display);
    font-size: 0.88rem; font-weight: 600;
    color: var(--white); letter-spacing: 0.08em;
    text-transform: uppercase; margin-bottom: 7px;
}
.summit__feature-text { font-size: 0.83rem; color: var(--text-muted); line-height: 1.75; }

/* ── Intervenants ─────────────────────────────────────────── */
.speakers__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-top: 64px;
}
.speaker-card {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    cursor: pointer;
    background: var(--navy);
}
.speaker-card__photo {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #111535, #1a2050);
    display: flex; align-items: center; justify-content: center;
    font-size: 3.5rem;
    color: rgba(201,168,76,0.18);
    transition: transform 0.5s ease;
}
.speaker-card:hover .speaker-card__photo { transform: scale(1.05); }
.speaker-card__overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top,
        rgba(7,9,26,0.95) 0%,
        rgba(7,9,26,0.45) 55%,
        transparent 100%);
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 26px 22px;
    transition: opacity 0.35s ease;
    opacity: 0.75;
}
.speaker-card:hover .speaker-card__overlay { opacity: 1; }
.speaker-card__name {
    font-family: var(--font-display);
    font-size: 0.95rem; font-weight: 600;
    color: var(--white); letter-spacing: 0.04em;
    margin-bottom: 4px;
}
.speaker-card__role { font-size: 0.73rem; color: var(--gold); margin-bottom: 3px; }
.speaker-card__org  {
    font-size: 0.7rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.1em;
}
.speakers__more { text-align: center; margin-top: 48px; }

/* ── Étoiles BRILLE ───────────────────────────────────────── */
.etoiles {
    background: var(--navy-mid);
    position: relative; overflow: hidden;
}
.etoiles::before {
    content: '✦';
    position: absolute;
    font-size: 22rem;
    color: rgba(201,168,76,0.025);
    top: -60px; right: -60px;
    pointer-events: none; user-select: none;
}
.etoiles__intro { max-width: 620px; margin: 0 auto; text-align: center; }
.etoiles__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-top: 64px;
}
.etoile-card {
    background: var(--navy);
    padding: 48px 32px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
}
.etoile-card::before {
    content: '';
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    transition: var(--transition);
}
.etoile-card:hover { background: rgba(201,168,76,0.03); transform: translateY(-4px); }
.etoile-card:hover::before { width: 80%; }
.etoile-card__star { font-size: 2rem; color: var(--gold); margin-bottom: 18px; display: block; }
.etoile-card__cat {
    font-family: var(--font-display);
    font-size: 0.82rem; font-weight: 600;
    color: var(--white); letter-spacing: 0.1em;
    text-transform: uppercase; margin-bottom: 12px;
}
.etoile-card__text { font-size: 0.8rem; color: var(--text-muted); line-height: 1.85; }

/* ── Partenaires ──────────────────────────────────────────── */
.partners__intro { text-align: center; max-width: 540px; margin: 0 auto; }
.partners__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    margin-top: 64px;
    border: 1px solid var(--border-subtle);
}
.partner-logo {
    background: var(--navy);
    aspect-ratio: 2/1;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    border-right: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 20px;
}
.partner-logo:hover { background: rgba(201,168,76,0.04); }
.partner-logo span {
    font-family: var(--font-display);
    font-size: 0.72rem; font-weight: 600;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--text-muted);
    transition: var(--transition);
}
.partner-logo:hover span { color: var(--gold); }

.partners__cta-block {
    margin-top: 64px;
    padding: 56px 48px;
    background: var(--navy);
    border: 1px solid var(--border-gold);
    text-align: center;
    position: relative;
}
.partners__cta-block::before {
    content: '';
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 80px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ── Commanditaires ───────────────────────────────────────── */
.sponsors__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-top: 64px;
}
.sponsor-tier {
    padding: 56px 36px;
    background: var(--navy-deep);
    text-align: center;
    transition: var(--transition);
    position: relative;
}
.sponsor-tier--platinum {
    background: linear-gradient(160deg, rgba(201,168,76,0.07) 0%, rgba(7,9,26,0.96) 55%);
    border: 1px solid var(--border-gold);
}
.sponsor-tier--gold-tier { background: var(--navy-mid); }
.sponsor-tier--silver    { background: rgba(17,21,53,0.5); }
.sponsor-tier__crown  { font-size: 1.8rem; margin-bottom: 14px; display: block; }
.sponsor-tier__cat {
    font-family: var(--font-body);
    font-size: 9px; font-weight: 700;
    letter-spacing: 0.28em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 8px;
}
.sponsor-tier__name {
    font-family: var(--font-display);
    font-size: 1.2rem; font-weight: 600;
    color: var(--white); letter-spacing: 0.06em;
    margin-bottom: 24px;
}
.sponsor-tier__list {
    text-align: left;
    display: flex; flex-direction: column; gap: 10px;
    margin-bottom: 36px;
}
.sponsor-tier__item {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.82rem; color: var(--text-body);
}
.sponsor-tier__item::before {
    content: '✦';
    color: var(--gold); font-size: 7px; flex-shrink: 0;
}

/* ── Médias ───────────────────────────────────────────────── */
.media__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 2px;
    margin-top: 64px;
}
.media-item {
    position: relative; overflow: hidden;
    background: var(--navy); cursor: pointer;
}
.media-item:first-child { grid-row: span 2; }
.media-item__inner {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #111535, #1a2050);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    transition: transform 0.4s ease;
    position: relative;
}
.media-item:first-child .media-item__inner {
    aspect-ratio: auto; height: 100%; min-height: 400px;
}
.media-item:hover .media-item__inner { transform: scale(1.04); }
.media-item__play {
    width: 60px; height: 60px;
    border: 1px solid rgba(201,168,76,0.5);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: var(--gold);
    background: rgba(7,9,26,0.6);
    backdrop-filter: blur(8px);
    transition: var(--transition);
}
.media-item:hover .media-item__play {
    background: var(--gold); color: var(--navy-deep);
    border-color: var(--gold);
}
.media-item__caption { padding: 16px 18px; }
.media-item__type {
    font-size: 8.5px; font-weight: 600;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 4px;
}
.media-item__title { font-size: 0.82rem; color: var(--text-body); font-weight: 400; }

/* ── Billetterie ──────────────────────────────────────────── */
.tickets__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-top: 64px;
}
.ticket-card {
    background: var(--navy-deep);
    padding: 48px 32px;
    transition: var(--transition);
}
.ticket-card--featured {
    background: var(--navy);
    border: 1px solid var(--border-gold);
    margin: -12px 0;
    padding: 60px 32px;
    z-index: 1;
    position: relative;
}
.ticket-card--featured::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light));
}
.ticket-card__badge {
    position: absolute; top: 22px; right: 22px;
    background: var(--gold); color: var(--navy-deep);
    font-size: 7.5px; font-weight: 700;
    letter-spacing: 0.16em; text-transform: uppercase;
    padding: 4px 9px;
}
.ticket-card__tier {
    font-size: 9.5px; font-weight: 600;
    letter-spacing: 0.26em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 10px;
}
.ticket-card__name {
    font-family: var(--font-display);
    font-size: 1.15rem; font-weight: 600;
    color: var(--white); margin-bottom: 24px;
}
.ticket-card__price {
    margin-bottom: 28px; padding-bottom: 28px;
    border-bottom: 1px solid var(--border-subtle);
}
.ticket-card__amount {
    font-family: var(--font-display);
    font-size: 2.4rem; font-weight: 700;
    color: var(--white); line-height: 1;
}
.ticket-card__currency {
    font-size: 0.9rem; font-family: var(--font-body);
    color: var(--text-muted); vertical-align: super; font-weight: 400;
}
.ticket-card__note {
    font-size: 0.72rem; color: var(--text-muted);
    margin-top: 4px; letter-spacing: 0.08em;
}
.ticket-card__features { display: flex; flex-direction: column; gap: 11px; margin-bottom: 32px; }
.ticket-card__feat {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.82rem; color: var(--text-body);
}
.ticket-card__feat--yes::before { content: '✓'; color: var(--gold); font-weight: 700; flex-shrink: 0; }
.ticket-card__feat--no  { opacity: 0.38; }
.ticket-card__feat--no::before  { content: '—'; color: var(--text-muted); flex-shrink: 0; }

/* ── Fondatrice ───────────────────────────────────────────── */
.founder__inner {
    display: grid;
    grid-template-columns: 1fr 2.2fr;
    gap: 80px;
    align-items: center;
}
.founder__photo-wrap { position: relative; }
.founder__photo {
    width: 100%; aspect-ratio: 3/4;
    background: linear-gradient(135deg, #111535, #1a2050);
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem; color: rgba(201,168,76,0.15);
    position: relative; overflow: hidden;
}
.founder__photo::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, transparent 50%, var(--navy-deep) 100%);
}
.founder__frame {
    position: absolute;
    top: -16px; left: -16px; right: 16px; bottom: 16px;
    border: 1px solid var(--border-gold);
    pointer-events: none; z-index: -1;
}
.founder__quote {
    font-family: var(--font-elegant);
    font-size: clamp(1.3rem, 2.2vw, 1.75rem);
    font-weight: 300; font-style: italic;
    color: var(--white); line-height: 1.65;
    margin-bottom: 32px;
    padding-left: 28px;
    border-left: 2px solid var(--gold);
}
.founder__name {
    font-family: var(--font-display);
    font-size: 1.05rem; font-weight: 600;
    color: var(--white); letter-spacing: 0.08em; margin-bottom: 5px;
}
.founder__role {
    font-size: 0.78rem; color: var(--gold);
    font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* ── Contact ──────────────────────────────────────────────── */
.contact { background: var(--navy); }
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    margin-top: 64px;
}
.contact__info { display: flex; flex-direction: column; gap: 28px; }
.contact__info-item { display: flex; gap: 18px; align-items: flex-start; }
.contact__info-icon {
    width: 44px; height: 44px;
    background: rgba(201,168,76,0.08);
    border: 1px solid var(--border-gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0; color: var(--gold);
}
.contact__info-label {
    font-size: 8.5px; font-weight: 600;
    letter-spacing: 0.26em; text-transform: uppercase;
    color: var(--text-muted); margin-bottom: 4px;
}
.contact__info-value { font-size: 0.88rem; color: var(--text-body); }

.contact__form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-label {
    font-size: 8.5px; font-weight: 600;
    letter-spacing: 0.26em; text-transform: uppercase;
    color: var(--text-muted);
}
.form-input, .form-select, .form-textarea {
    background: rgba(7,9,26,0.85);
    border: 1px solid var(--border-subtle);
    color: var(--white);
    padding: 13px 16px;
    font-family: var(--font-body);
    font-size: 0.875rem; font-weight: 300;
    transition: var(--transition);
    outline: none;
    -webkit-appearance: none; appearance: none;
    width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--gold);
    background: rgba(201,168,76,0.03);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 110px; }
.form-select { cursor: pointer; color: var(--text-muted); }
.form-select option { background: var(--navy-deep); }

/* ── Pied de page ─────────────────────────────────────────── */
.footer {
    background: var(--navy-deep);
    border-top: 1px solid var(--border-gold);
}
.footer__top {
    padding: 72px 0;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 60px;
}
.footer__brand-name {
    font-family: var(--font-display);
    font-size: 1.9rem; font-weight: 700;
    color: var(--white); letter-spacing: 0.12em; margin-bottom: 3px;
}
.footer__brand-name span { color: var(--gold); }
.footer__brand-tag {
    font-size: 8px; font-weight: 500;
    letter-spacing: 0.32em; text-transform: uppercase;
    color: var(--text-muted); margin-bottom: 18px; display: block;
}
.footer__brand-text { font-size: 0.8rem; color: var(--text-muted); line-height: 1.85; margin-bottom: 26px; }
.footer__social { display: flex; gap: 9px; }
.footer__social-link {
    width: 36px; height: 36px;
    border: 1px solid var(--border-gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; color: var(--text-muted);
    transition: var(--transition);
}
.footer__social-link:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,168,76,0.06); }

.footer__col-title {
    font-family: var(--font-display);
    font-size: 0.72rem; font-weight: 600;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--white); margin-bottom: 22px;
}
.footer__links { display: flex; flex-direction: column; gap: 11px; }
.footer__link {
    font-size: 0.8rem; color: var(--text-muted);
    transition: var(--transition); letter-spacing: 0.02em;
}
.footer__link:hover { color: var(--gold); padding-left: 5px; }

.footer__newsletter-text { font-size: 0.8rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 18px; }
.footer__newsletter-form { display: flex; }
.footer__newsletter-input {
    flex: 1;
    background: rgba(7,9,26,0.85);
    border: 1px solid var(--border-subtle);
    border-right: none;
    color: var(--white);
    padding: 11px 14px;
    font-family: var(--font-body);
    font-size: 0.8rem; font-weight: 300;
    outline: none;
}
.footer__newsletter-input:focus { border-color: var(--gold); }
.footer__newsletter-input::placeholder { color: var(--text-muted); }
.footer__newsletter-btn {
    background: var(--gold); border: 1px solid var(--gold);
    color: var(--navy-deep);
    padding: 11px 14px;
    cursor: pointer; font-size: 13px;
    transition: var(--transition);
}
.footer__newsletter-btn:hover { background: var(--gold-light); }

.footer__bottom {
    padding: 22px 0;
    border-top: 1px solid var(--border-subtle);
    display: flex; align-items: center; justify-content: space-between;
}
.footer__copy { font-size: 0.73rem; color: var(--text-muted); letter-spacing: 0.04em; }
.footer__legal { display: flex; gap: 22px; }
.footer__legal-link {
    font-size: 0.7rem; color: var(--text-muted);
    letter-spacing: 0.07em; transition: var(--transition);
}
.footer__legal-link:hover { color: var(--gold); }

/* ── Animation révélation ─────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }
.reveal-d5 { transition-delay: 0.5s; }

/* ── En-tête de section ───────────────────────────────────── */
.section-header { text-align: center; }
.section-header--left { text-align: left; }

/* ── Ligne dorée décorative ───────────────────────────────── */
.gold-sep {
    display: flex; align-items: center;
    gap: 14px; margin-bottom: 18px;
}
.gold-sep::after {
    content: '';
    flex: 1; height: 1px;
    background: linear-gradient(90deg, var(--gold), transparent);
    max-width: 72px;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1100px) {
    .container { padding: 0 32px; }
    .about__grid { grid-template-columns: 1fr; gap: 56px; }
    .about__visual { display: none; }
    .speakers__grid { grid-template-columns: repeat(3, 1fr); }
    .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 900px) {
    .nav__links, .nav__cta { display: none; }
    .nav__hamburger { display: flex; }
    .stats__grid { grid-template-columns: repeat(2, 1fr); }
    .values__grid { grid-template-columns: repeat(2, 1fr); }
    .pillars__grid { grid-template-columns: repeat(2, 1fr); }
    .pillar { border-right: none; border-bottom: 1px solid var(--border-gold); }
    .pillar:nth-child(odd)  { border-right: 1px solid var(--border-gold); }
    .pillar:nth-last-child(-n+2) { border-bottom: none; }
    .summit__grid { grid-template-columns: 1fr; }
    .speakers__grid { grid-template-columns: repeat(2, 1fr); }
    .etoiles__grid { grid-template-columns: 1fr 1fr; }
    .partners__grid { grid-template-columns: repeat(3, 1fr); }
    .sponsors__grid { grid-template-columns: 1fr; gap: 2px; }
    .tickets__grid { grid-template-columns: 1fr; }
    .ticket-card--featured { margin: 0; padding: 48px 32px; }
    .founder__inner { grid-template-columns: 1fr; }
    .founder__photo-wrap { max-width: 280px; }
    .contact__grid { grid-template-columns: 1fr; gap: 48px; }
    .vm-grid { grid-template-columns: 1fr; }
    .media__grid { grid-template-columns: 1fr 1fr; }
    .media-item:first-child { grid-column: span 2; grid-row: span 1; }
    .media-item:first-child .media-item__inner { min-height: 280px; }
}
@media (max-width: 600px) {
    .container { padding: 0 20px; }
    .section { padding: 80px 0; }
    .stats__grid { grid-template-columns: 1fr 1fr; }
    .values__grid { grid-template-columns: 1fr; }
    .pillars__grid { grid-template-columns: 1fr; }
    .pillar { border-right: none !important; border-bottom: 1px solid var(--border-gold) !important; }
    .pillar:last-child { border-bottom: none !important; }
    .speakers__grid { grid-template-columns: 1fr 1fr; }
    .etoiles__grid { grid-template-columns: 1fr; }
    .partners__grid { grid-template-columns: repeat(2, 1fr); }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .form-row { grid-template-columns: 1fr; }
    .footer__top { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; gap: 14px; text-align: center; }
    .media__grid { grid-template-columns: 1fr; }
    .media-item:first-child { grid-column: span 1; }
}