/* =========================================================
   Arab-African Conference for 2030 Leaders Makers
   Custom Stylesheet — Dark Navy / Teal / Amber palette
   ========================================================= */

:root {
    /* Brand palette — Fond */
    --c-navy:          #041A4A;   /* Fond bleu marine très sombre */
    --c-navy-2:        #06255F;   /* Fond bleu profond */
    --c-royal:         #0F4DB8;   /* Bleu royal du logo */
    --c-blue:          #2563EB;   /* Bleu moyen du logo */

    /* Teal */
    --c-primary:       #0D9488;   /* Teal du logo et de la scène */
    --c-primary-dark:  #0F766E;   /* Teal foncé */
    --c-primary-light: #5eead4;

    /* Or / Doré */
    --c-accent:        #D4A63C;   /* Doré principal */
    --c-accent-2:      #E0B84F;   /* Or premium */
    --c-accent-dark:   #B8872B;   /* Or foncé */
    --c-accent-orange: #D97706;   /* Reflets orange-or */

    /* Texte */
    --c-ink:    #041A4A;          /* Texte sombre (était #0f172a) */
    --c-teal:   #041A4A;
    --c-body:   #334155;
    --c-muted:  #64748b;
    --c-white:  #F8FAFC;          /* Blanc principal */
    --c-white-2:#E2E8F0;          /* Blanc secondaire */
    --c-line:   #E9EDF3;
    --c-bg:     #F8FAFC;          /* Blanc principal */
    --c-bg-2:   #ffffff;

    /* Effects */
    --shadow-xs:   0 1px 2px rgba(4, 26, 74, .04);
    --shadow-sm:   0 4px 14px rgba(4, 26, 74, .06);
    --shadow-md:   0 12px 30px rgba(4, 26, 74, .08);
    --shadow-lg:   0 24px 60px rgba(4, 26, 74, .12);
    --shadow-blue: 0 18px 40px rgba(13, 148, 136, .25);
    --shadow-gold: 0 18px 40px rgba(212, 166, 60, .28);

    --radius-sm: 12px;
    --radius: 18px;
    --radius-lg: 26px;
    --radius-xl: 34px;

    --glass-bg: rgba(255, 255, 255, .65);
    --glass-border: rgba(255, 255, 255, .6);

    --grad-primary: linear-gradient(135deg, #041A4A 0%, #0D9488 100%);
    --grad-accent:  linear-gradient(135deg, #D4A63C 0%, #B8872B 100%);
    --grad-mix:     linear-gradient(135deg, #0D9488 0%, #115e59 100%);
    --grad-blue:    linear-gradient(135deg, #0F4DB8 0%, #2563EB 100%);

    --ease: cubic-bezier(.4, 0, .2, 1);
    --ease-out: cubic-bezier(.16, 1, .3, 1);

    --font-ar: 'Cairo', system-ui, sans-serif;
    --font-en: 'Plus Jakarta Sans', system-ui, sans-serif;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(8vw + 12px);
    overflow-x: hidden; /* Empêche le scroll horizontal sur iOS Safari (body seul ne suffit pas) */
}

body {
    font-family: var(--font-ar);
    color: var(--c-body);
    background: var(--c-bg);
    line-height: 1.75;
    overflow-x: hidden;
    max-width: 100%;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

html[lang="en"] body { font-family: var(--font-en); }
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3, html[lang="en"] h4 { font-family: var(--font-en); }

h1, h2, h3, h4, h5 { color: var(--c-ink); font-weight: 800; line-height: 1.25; margin: 0; }
p { margin: 0; }
a { text-decoration: none; transition: color .25s var(--ease); }
img { max-width: 100%; display: block; }
::selection { background: var(--c-accent); color: #fff; }

/* ---------- Helpers ---------- */
.section { padding: 96px 0; position: relative; }
@media (max-width: 768px) { .section { padding: 64px 0; } }

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

.py-6 { padding-top: 5rem; padding-bottom: 5rem; }

/* ---------- Section heads ---------- */
.section-head { max-width: 760px; margin-bottom: 8px; }

.section-eyebrow {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; border-radius: 999px;
    background: rgba(13, 148, 136, .08);
    color: var(--c-primary);
    font-weight: 700; font-size: .82rem; letter-spacing: .02em;
    margin-bottom: 18px;
    border: 1px solid rgba(13, 148, 136, .12);
}
.section-eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); }

.section-title { font-size: clamp(1.7rem, 3.4vw, 2.6rem); margin-bottom: 16px; letter-spacing: -.01em; }
.section-lead { color: var(--c-muted); font-size: 1.08rem; max-width: 680px; margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn { font-weight: 700; border-radius: 999px; transition: all .3s var(--ease-out); }

.btn-glow { background: var(--grad-primary); color: #fff; box-shadow: var(--shadow-blue); border: none; }
.btn-glow:hover { transform: translateY(-3px); box-shadow: 0 24px 50px rgba(13,148,136,.38); color: #fff; }

.btn-primary-lg {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 32px; font-size: 1.05rem;
    background: var(--grad-primary); color: #fff; border: none;
    box-shadow: var(--shadow-blue);
}
.btn-primary-lg:hover { transform: translateY(-3px); color: #fff; box-shadow: 0 26px 54px rgba(13,148,136,.42); }
.btn-primary-lg .dir-arrow { transition: transform .3s var(--ease); }
.btn-primary-lg:hover .dir-arrow { transform: translateX(-6px); }
[dir="ltr"] .btn-primary-lg:hover .dir-arrow { transform: translateX(6px); }
[dir="rtl"] .btn-primary-lg .dir-arrow { transform: scaleX(-1); }

.btn-ghost-lg {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 16px 28px; font-size: 1.05rem;
    background: #fff; color: var(--c-ink); border: 1.5px solid var(--c-line);
}
.btn-ghost-lg:hover { background: #fff; border-color: var(--c-primary); color: var(--c-primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }

.btn-register-lg {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 18px 40px; font-size: 1.15rem;
    background: var(--grad-accent); color: #fff; border: none;
    box-shadow: var(--shadow-gold);
}
.btn-register-lg:hover { transform: translateY(-3px); color: #fff; box-shadow: 0 28px 56px rgba(212, 166, 60, .45); }
.btn-register-lg .dir-arrow { transition: transform .3s var(--ease); }
.btn-register-lg:hover .dir-arrow { transform: translateX(-6px); }
[dir="ltr"] .btn-register-lg:hover .dir-arrow { transform: translateX(6px); }
[dir="rtl"] .btn-register-lg .dir-arrow { transform: scaleX(-1); }

.btn-register {
    background: var(--grad-accent); color: #fff; border: none;
    padding: 9px 22px; box-shadow: 0 8px 20px rgba(212, 166, 60, .3);
}
.btn-register:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 12px 26px rgba(212, 166, 60, .42); }

.btn-lang {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255, 255, 255, .08);
    color: rgba(255,255,255,.85);
    border: 1px solid rgba(255, 255, 255, .18);
    font-weight: 700; padding: 8px 14px; border-radius: 999px;
}
.btn-lang:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); }

/* ---------- Navbar ---------- */
.custom-navbar {
    padding: 2px 0;
    background: rgba(16, 46, 98, .92);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    transition: all .35s var(--ease);
}
.custom-navbar.scrolled { padding: 2px 0; background: rgba(16, 46, 98, .98); box-shadow: 0 4px 20px rgba(0,0,0,.25); }

.navbar-brand { gap: 0 !important; padding: 2px 0 !important; max-width: 25vw; overflow: hidden; transition: transform .3s var(--ease); }
.navbar-brand:hover { transform: translateY(-1px); }
.brand-logo {
    display: flex; align-items: center; justify-content: center;
    max-width: 25vw; overflow: hidden; flex-shrink: 0;
    background: transparent; border: none;
    transition: transform .4s var(--ease-out);
}
.brand-logo-img { height: 8vw; width: auto; max-width: 25vw; display: block; }
.navbar-brand:hover .brand-logo { transform: scale(1.04); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-line-1 { font-weight: 800; color: #fff; font-size: 1.02rem; }
.brand-line-2 { font-weight: 600; color: rgba(255,255,255,.55); font-size: .72rem; }

.custom-navbar .nav-link {
    color: rgba(255,255,255,.85); font-weight: 700;
    padding: 8px 16px !important; border-radius: 999px;
    position: relative; transition: all .25s var(--ease);
}
.custom-navbar .nav-link::after {
    content: ""; position: absolute; bottom: 4px; left: 50%;
    width: 0; height: 2px; background: var(--c-accent);
    border-radius: 2px; transition: width .3s var(--ease-out); transform: translateX(-50%);
}
.custom-navbar .nav-link:hover { color: var(--c-primary-light); }
.custom-navbar .nav-link:hover::after,
.custom-navbar .nav-link.active::after { width: 22px; }
.custom-navbar .nav-link.active { color: var(--c-primary-light); background: rgba(13,148,136,.15); }

.nav-actions { gap: 10px !important; }
.navbar-toggler { border: 1px solid rgba(255,255,255,.2); padding: 6px 10px; filter: invert(1); }
.navbar-toggler:focus { box-shadow: none; }

/* ---------- Hero ---------- */
.hero-section {
    position: relative;
    padding-top: max(60px, calc(8vw + 12px));
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(212, 166, 60, .08), transparent 60%),
        radial-gradient(1000px 500px at 0% 20%, rgba(13,148,136,.08), transparent 55%),
        linear-gradient(180deg, #ffffff 0%, #F8FAFC 100%);
    overflow: hidden;
}

.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape { position: absolute; border-radius: 50%; filter: blur(40px); opacity: .5; }
.shape-1 { width: 360px; height: 360px; background: rgba(13,148,136,.20); top: -80px; inset-inline-end: -60px; }
.shape-2 { width: 280px; height: 280px; background: rgba(212, 166, 60, .25); bottom: 10%; inset-inline-start: -80px; }
.shape-3 { width: 200px; height: 200px; background: rgba(13,148,136,.20); top: 40%; inset-inline-end: 20%; }
.shape-grid {
    inset: 0;
    background-image:
        linear-gradient(rgba(13,148,136,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(13,148,136,.06) 1px, transparent 1px);
    background-size: 46px 46px; border-radius: 0;
    mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 70%);
    opacity: .9;
}

.badge-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 18px; border-radius: 999px;
    background: rgba(255,255,255,.7); border: 1px solid var(--glass-border);
    color: var(--c-primary); font-weight: 700; font-size: .9rem;
    box-shadow: var(--shadow-xs); backdrop-filter: blur(8px);
}
.badge-pill i { color: var(--c-accent); }

.hero-title {
    font-size: clamp(1.7rem, 4vw, 2.8rem); font-weight: 900;
    line-height: 1.15; letter-spacing: -.02em; margin: 14px 0 14px;
    display: flex; flex-direction: column;
}
.hero-title-accent {
    background: var(--grad-primary);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}

.hero-subtitle { font-size: 1.25rem; color: var(--c-ink); font-weight: 700; margin-bottom: 14px; max-width: 560px; }
.hero-intro { color: var(--c-muted); font-size: 1.04rem; max-width: 560px; margin-bottom: 26px; }

.hero-meta {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 14px 20px; margin-bottom: 30px; max-width: 620px;
}
.hero-meta li { display: flex; align-items: center; gap: 12px; }
.meta-icon {
    flex-shrink: 0; width: 40px; height: 40px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: var(--grad-primary); color: #fff; font-size: 1.05rem;
    box-shadow: var(--shadow-sm);
}
.hero-meta li > span:last-child { display: flex; flex-direction: column; line-height: 1.3; }
.hero-meta strong { font-size: .78rem; color: var(--c-muted); font-weight: 600; }
.hero-meta li > span:last-child > span:last-child { color: var(--c-ink); font-weight: 700; font-size: .96rem; }
.hero-meta .countries { display: flex; flex-wrap: wrap; gap: 6px; }
.country-flag { width: 28px; height: auto; border-radius: 3px; box-shadow: 0 1px 3px rgba(0,0,0,.12); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* Hero load entrance animation */
.hero-anim { opacity: 0; transform: translateY(24px); animation: heroIn .8s var(--ease-out) forwards; }
.hero-anim[data-anim="1"] { animation-delay: .15s; }
.hero-anim[data-anim="2"] { animation-delay: .30s; }
.hero-anim[data-anim="3"] { animation-delay: .45s; }
.hero-anim[data-anim="4"] { animation-delay: .60s; }
.hero-anim[data-anim="5"] { animation-delay: .75s; }
.hero-anim[data-anim="6"] { animation-delay: .90s; }
@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }

/* Hero card stack */
.hero-card-stack { position: relative; height: 480px; }
.hero-card { border-radius: var(--radius-lg); padding: 22px; position: absolute; }
.hero-card-main { inset: 0 0 0 0; background: rgba(255,255,255,.95); z-index: 3; animation: cardIn 1s var(--ease-out) .5s both; }
.hero-card-float, .hero-card-float-2 {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 20px; border-radius: var(--radius); z-index: 4;
    background: rgba(255,255,255,.95);
}
.hero-card-float { bottom: -18px; inset-inline-end: -10px; animation: cardIn 1s var(--ease-out) .9s both, floaty 4s ease-in-out 1.9s infinite; }
.hero-card-float-2 { bottom: 80px; inset-inline-start: -24px; animation: cardIn 1s var(--ease-out) 1.1s both, floaty 5s ease-in-out 2.4s infinite; }
@keyframes cardIn { from { opacity: 0; transform: translateY(30px) scale(.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.hero-card-image { position: relative; border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; aspect-ratio: 16 / 10; }
.hero-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.hero-card-main:hover .hero-card-image img { transform: scale(1.08); }
.hero-card-image-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 0%, rgba(10,20,50,.45) 100%); }
.hero-card-tag {
    position: absolute; top: 12px; inset-inline-start: 12px;
    background: var(--grad-accent); color: #fff;
    padding: 5px 14px; border-radius: 999px; font-size: .8rem; font-weight: 700;
    box-shadow: var(--shadow-gold);
}
.hero-card-main h3 { font-size: 1.4rem; margin-bottom: 8px; }
.hero-card-main p { color: var(--c-muted); font-size: .96rem; margin-bottom: 18px; }
.hero-card-stats { display: flex; justify-content: space-between; gap: 10px; }
.hero-card-stats > div { display: flex; flex-direction: column; }
.hero-card-stats b { font-size: 1.5rem; font-weight: 800; color: var(--c-primary); }
.hero-card-stats span { font-size: .76rem; color: var(--c-muted); }

.hero-card-float i, .hero-card-float-2 i {
    font-size: 1.8rem; width: 46px; height: 46px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px; color: #fff;
}
.hero-card-float i { background: var(--grad-accent); }
.hero-card-float-2 i { background: var(--grad-mix); }
.hero-card-float b, .hero-card-float-2 b { display: block; font-size: 1.1rem; color: var(--c-ink); }
.hero-card-float span, .hero-card-float-2 span { font-size: .78rem; color: var(--c-muted); }

.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; }
.hero-wave svg { width: 100%; height: 90px; display: block; }

/* ---------- About / Vision cards ---------- */
.about-section { background: var(--c-bg); }

/* About platform list */
.about-platform-list {
    list-style: none; padding: 0; margin: 28px auto 0;
    display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
    max-width: 760px;
}
.about-platform-list li {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px; border-radius: 999px;
    background: #fff; border: 1px solid var(--c-line);
    font-weight: 700; color: var(--c-ink); font-size: .95rem;
    box-shadow: var(--shadow-xs);
    transition: all .3s var(--ease-out);
}
.about-platform-list li:hover {
    transform: translateY(-3px); border-color: rgba(13,148,136,.25);
    box-shadow: var(--shadow-sm); color: var(--c-primary);
}
.about-platform-list li i { color: var(--c-accent); font-size: 1.05rem; }

/* ---------- Vision / Mission premium cards ---------- */
.vm-cards { margin-top: 2.5rem !important; }
.vm-card {
    position: relative; border-radius: var(--radius-lg);
    padding: 38px 34px; overflow: hidden;
    transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out);
    display: flex; flex-direction: column;
}

/* Vision: immersive deep gradient card */
.vm-card-vision {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: var(--shadow-blue);
    min-height: 100%;
}
.vm-card-vision::after {
    content: ""; position: absolute; inset: 0;
    background:
        radial-gradient(400px 200px at 100% 0%, rgba(212, 166, 60, .30), transparent 60%),
        radial-gradient(360px 220px at 0% 100%, rgba(13,148,136,.30), transparent 60%);
    pointer-events: none;
}
.vm-card-vision:hover { transform: translateY(-8px); box-shadow: 0 30px 64px rgba(13,148,136,.4); }
.vm-card-vision > * { position: relative; z-index: 2; }
.vm-card-glow {
    position: absolute; top: -40%; inset-inline-end: -20%;
    width: 280px; height: 280px; border-radius: 50%;
    background: rgba(255,255,255,.08); filter: blur(20px); z-index: 1;
}
.vm-card-watermark {
    position: absolute; bottom: -30px; inset-inline-end: -10px;
    font-size: 11rem; line-height: 1; color: rgba(255,255,255,.06);
    z-index: 1; pointer-events: none;
}
.vm-card-vision h3 { color: #fff; font-size: 1.55rem; margin: 14px 0 12px; }
.vm-card-vision p { color: rgba(255,255,255,.9); font-size: 1.02rem; line-height: 1.8; }

/* Mission: clean light card with amber accents */
.vm-card-mission {
    background: #fff; border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    min-height: 100%;
}
.vm-card-mission::before {
    content: ""; position: absolute; top: 0; inset-inline: 0; height: 5px;
    background: var(--grad-accent); border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.vm-card-mission:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.vm-card-mission h3 { font-size: 1.55rem; margin: 14px 0 12px; }
.vm-card-mission p { color: var(--c-muted); font-size: 1.02rem; line-height: 1.8; }

/* Shared card head (number + icon) */
.vm-card-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 18px;
}
.vm-card-num {
    font-size: 2.4rem; font-weight: 900; line-height: 1;
    color: rgba(255,255,255,.25); letter-spacing: -.04em;
}
.vm-card-num-gold { color: rgba(212, 166, 60, .25); }
.vm-card-icon {
    width: 56px; height: 56px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: #fff;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.2);
    backdrop-filter: blur(6px);
    transition: transform .4s var(--ease-out);
}
.vm-card-vision:hover .vm-card-icon { transform: rotate(-8deg) scale(1.08); }
.vm-card-icon-gold {
    background: var(--grad-accent); border: none;
    box-shadow: var(--shadow-gold);
}
.vm-card-mission:hover .vm-card-icon-gold { transform: rotate(-8deg) scale(1.08); }

/* Tag pill */
.vm-card-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; border-radius: 999px;
    background: rgba(255,255,255,.18); color: #fff;
    font-weight: 700; font-size: .82rem; width: fit-content;
    border: 1px solid rgba(255,255,255,.22);
}
.vm-card-tag-gold { background: rgba(212, 166, 60, .1); color: var(--c-accent-dark); border-color: rgba(212, 166, 60, .2); }

/* Decorative CTA arrow */
.vm-card-cta {
    margin-top: auto; padding-top: 22px;
    display: inline-flex; align-items: center;
    color: rgba(255,255,255,.7); font-size: 1.4rem;
    transition: transform .35s var(--ease-out), color .25s var(--ease);
}
.vm-card-vision:hover .vm-card-cta { transform: translateX(var(--rtl-shift, -8px)); color: #fff; }
[dir="rtl"] .vm-card-vision:hover .vm-card-cta { --rtl-shift: 8px; }
[dir="ltr"] .vm-card-vision:hover .vm-card-cta { --rtl-shift: -8px; }
.vm-card-cta-gold { color: var(--c-accent-dark); }
.vm-card-mission:hover .vm-card-cta-gold { transform: translateX(var(--rtl-shift, -8px)); color: var(--c-accent); }

/* ---------- Audience ---------- */
.audience-section { background: #fff; }
.audience-card {
    border-radius: var(--radius); padding: 30px 20px; text-align: center;
    transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
    border: 1px solid var(--c-line); background: #fff;
}
.audience-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.audience-icon {
    width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; background: rgba(13,148,136,.08); color: var(--c-primary);
    transition: all .35s var(--ease-out);
}
.audience-card:hover .audience-icon { background: var(--grad-primary); color: #fff; transform: rotate(-6deg) scale(1.05); }
.audience-card h3 { font-size: 1.02rem; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.audience-card p { color: var(--c-muted); font-size: .85rem; line-height: 1.5; }

/* ---------- Experience ---------- */
.experience-section { background: var(--c-bg); }
.experience-media {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    margin-top: 22px; aspect-ratio: 5 / 3; box-shadow: var(--shadow-md);
}
.experience-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.experience-media:hover img { transform: scale(1.08); }
.experience-media-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,148,136,.75) 0%, rgba(13,148,136,.55) 100%); }
.experience-media-caption {
    position: absolute; inset-inline-start: 22px; bottom: 20px;
    color: #fff; font-weight: 700; display: flex; align-items: center; gap: 10px;
    font-size: 1.02rem;
}
.experience-media-caption i { font-size: 1.4rem; color: var(--c-accent); }

.experience-list { display: flex; flex-direction: column; gap: 14px; }
.experience-list li {
    display: flex; align-items: center; gap: 16px;
    padding: 18px 22px; border-radius: var(--radius);
    background: #fff; border: 1px solid var(--c-line);
    font-weight: 600; color: var(--c-ink);
    transition: all .3s var(--ease-out);
}
.experience-list li:hover {
    transform: translateX(var(--rtl-shift, -8px));
    border-color: rgba(13,148,136,.25); box-shadow: var(--shadow-sm);
}
[dir="rtl"] .experience-list li:hover { --rtl-shift: 8px; }
[dir="ltr"] .experience-list li:hover { --rtl-shift: -8px; }
.check {
    flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
    background: var(--grad-mix); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; box-shadow: 0 6px 14px rgba(13,148,136,.35);
    transition: transform .3s var(--ease-out);
}
.experience-list li:hover .check { transform: scale(1.12) rotate(-8deg); }

/* ---------- Topics ---------- */
.topics-section { background: #fff; }
.topics-tabs-list { display: flex; flex-direction: column; gap: 10px; }
.topic-tab {
    display: flex; align-items: center; gap: 14px; width: 100%;
    padding: 18px 22px; border-radius: var(--radius);
    border: 1px solid var(--c-line); background: #fff; color: var(--c-ink);
    font-weight: 700; text-align: start; cursor: pointer;
    transition: all .3s var(--ease-out);
}
.topic-tab i:first-child {
    width: 40px; height: 40px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(13,148,136,.08); color: var(--c-primary); font-size: 1.2rem;
    transition: all .3s var(--ease-out); flex-shrink: 0;
}
.topic-tab .tab-arrow { margin-inline-start: auto; color: var(--c-muted); transition: transform .3s var(--ease); }
.topic-tab:hover { border-color: rgba(13,148,136,.3); transform: translateX(var(--rtl-shift, 4px)); box-shadow: var(--shadow-sm); }
[dir="rtl"] .topic-tab:hover { --rtl-shift: 4px; }
[dir="ltr"] .topic-tab:hover { --rtl-shift: -4px; }
.topic-tab.active { background: var(--grad-primary); color: #fff; border-color: transparent; box-shadow: var(--shadow-blue); }
.topic-tab.active i:first-child { background: rgba(255,255,255,.2); color: #fff; }
.topic-tab.active .tab-arrow { color: #fff; transform: translateX(var(--rtl-shift, -4px)); }
[dir="rtl"] .topic-tab.active .tab-arrow { --rtl-shift: 4px; }
[dir="ltr"] .topic-tab.active .tab-arrow { --rtl-shift: -4px; }

.topics-panel {
    border-radius: var(--radius-lg); padding: 44px 38px;
    min-height: 360px; background: rgba(255,255,255,.75); height: 100%;
}
.topic-pane { display: none; animation: fadePane .5s var(--ease-out); }
.topic-pane.active { display: block; }
@keyframes fadePane { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.topic-pane-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 64px; height: 64px; border-radius: 18px;
    background: var(--grad-accent); color: #fff; font-size: 1.7rem;
    margin-bottom: 18px; box-shadow: var(--shadow-gold);
}
.topic-pane h3 { font-size: 1.6rem; margin-bottom: 12px; }
.topic-pane > p { color: var(--c-muted); margin-bottom: 22px; }
.topic-points { display: flex; flex-direction: column; gap: 10px; }
.topic-points li { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--c-ink); }
.topic-points li i { color: var(--c-accent); }

/* ---------- Speakers ---------- */
.speakers-section { background: var(--c-bg); }
.speaker-card {
    border-radius: var(--radius-lg); padding: 0 0 30px; text-align: center;
    transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
    position: relative; overflow: hidden;
}
.speaker-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.speaker-avatar {
    position: relative; width: 100%; aspect-ratio: 1 / 1;
    background-color: #e2e8f0; background-size: cover; background-position: center;
    transition: transform 1.2s var(--ease-out);
    filter: saturate(.85);
}
.speaker-card:hover .speaker-avatar { transform: scale(1.05); filter: saturate(1); }
.speaker-avatar::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(13,148,136,.1) 0%, rgba(13,148,136,.55) 100%);
}
.speaker-soon {
    position: absolute; top: 14px; inset-inline-end: 14px; z-index: 2;
    padding: 4px 14px; border-radius: 999px;
    background: rgba(212, 166, 60, .95); color: #fff;
    font-size: .78rem; font-weight: 700; box-shadow: var(--shadow-gold);
}
.speaker-card h3 { font-size: 1.15rem; margin: 18px 0 4px; position: relative; z-index: 2; }
.speaker-card p { color: var(--c-muted); font-size: .9rem; padding: 0 16px; }

/* ---------- Stats ---------- */
.stats-section { position: relative; padding: 80px 0; overflow: hidden; }
.stats-bg {
    position: absolute; inset: 0; z-index: 0;
    background-image: url('https://images.unsplash.com/photo-1778876088394-554203c86d65?w=1600&h=700&fit=crop');
    background-size: cover; background-position: center;
    filter: saturate(.8);
}
.stats-overlay {
    position: absolute; inset: 0; z-index: 1;
    background:
        radial-gradient(600px 300px at 20% 20%, rgba(212, 166, 60, .30), transparent 60%),
        radial-gradient(500px 300px at 80% 80%, rgba(13,148,136,.30), transparent 60%),
        var(--grad-primary);
    opacity: .95;
}
.stats-section .container { z-index: 2; }
.stats-head { margin-bottom: 36px; }
.stats-title { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.stats-section .stat-item {
    border-radius: var(--radius-lg); padding: 30px 18px; text-align: center;
    background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
    color: #fff; backdrop-filter: blur(10px);
    transition: transform .35s var(--ease-out), background .35s var(--ease-out);
}
.stats-section .stat-item:hover { transform: translateY(-6px); background: rgba(255,255,255,.18); }
.stat-number {
    font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 900; line-height: 1;
    display: inline-block;
    background: linear-gradient(135deg, #fff 0%, #99f6e4 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-plus { display: inline-block; font-size: 2rem; font-weight: 800; color: var(--c-accent); vertical-align: top; }
.stat-label { margin-top: 6px; font-weight: 600; opacity: .92; font-size: .98rem; }

/* ---------- Partners ---------- */
.partners-section { background: #fff; }
.partners-logo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 18px; }
.partner-logo {
    border-radius: var(--radius); padding: 28px 16px;
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    color: var(--c-muted); font-weight: 700; text-align: center;
    transition: all .3s var(--ease-out); background: rgba(255,255,255,.7);
}
.partner-logo i { font-size: 2rem; color: var(--c-primary); transition: transform .3s var(--ease); }
.partner-logo:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.partner-logo:hover i { transform: scale(1.15); color: var(--c-accent); }

/* ---------- Register CTA ---------- */
.register-cta-section { background: var(--c-bg); padding-top: 0; }
.register-cta-card {
    border-radius: var(--radius-xl); padding: 70px 32px;
    background: rgba(255,255,255,.75); margin-top: -40px;
    position: relative; z-index: 2;
}
.register-eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--c-accent-dark); font-weight: 800; margin-bottom: 14px; }
.register-cta-card h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); margin-bottom: 14px; }
.register-cta-card > p { color: var(--c-muted); max-width: 600px; margin: 0 auto 28px; font-size: 1.08rem; }
.register-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; margin-top: 28px; color: var(--c-muted); font-weight: 600; }
.register-meta span { display: inline-flex; align-items: center; gap: 6px; }
.register-meta i { color: var(--c-primary); }

/* ---------- FAQ ---------- */
.faq-section { background: #fff; }
.custom-accordion { max-width: 820px; }
.accordion-item {
    border: 1px solid var(--c-line) !important; border-radius: var(--radius) !important;
    margin-bottom: 14px; overflow: hidden; background: #fff;
    transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}
.accordion-item:hover { box-shadow: var(--shadow-sm); }
.accordion-button {
    width: 100%; text-align: start; padding: 22px 24px;
    font-weight: 700; font-size: 1.08rem; color: var(--c-ink);
    background: #fff; box-shadow: none !important;
    display: flex; align-items: center; gap: 14px;
    transition: background .3s var(--ease), color .3s var(--ease);
}
.accordion-button i.bi-question-circle-fill { color: var(--c-accent); font-size: 1.2rem; flex-shrink: 0; transition: transform .3s var(--ease-out); }
.accordion-button:not(.collapsed) i.bi-question-circle-fill { transform: rotate(180deg); }
.accordion-button::after { display: none; }
.accordion-button:not(.collapsed) { color: var(--c-primary); background: rgba(13,148,136,.04); }
.accordion-body { padding: 4px 24px 24px; color: var(--c-muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-ink); color: #cbd5e1; padding: 70px 0 0; }
.footer-brand { margin-bottom: 18px; }
.site-footer .brand-line-1 { color: #fff; }
.site-footer .brand-line-2 { color: #94a3b8; }
.footer-desc { color: #94a3b8; margin-bottom: 18px; max-width: 360px; }
.footer-event { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-event span { display: inline-flex; align-items: center; gap: 6px; color: #e2e8f0; font-weight: 600; }
.footer-event i { color: var(--c-accent); }
.footer-title { color: #fff; font-size: 1.1rem; margin-bottom: 18px; font-weight: 700; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: #cbd5e1; font-weight: 500; transition: all .25s var(--ease); width: fit-content; }
.footer-links a:hover { color: var(--c-accent); transform: translateX(var(--rtl-shift, 6px)); }
[dir="rtl"] .footer-links a:hover { --rtl-shift: -6px; }
[dir="ltr"] .footer-links a:hover { --rtl-shift: 6px; }
.footer-social { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-social a {
    width: 42px; height: 42px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,.06); color: #cbd5e1; font-size: 1.1rem;
    transition: all .3s var(--ease-out);
}
.footer-social a:hover { background: var(--grad-accent); color: #fff; transform: translateY(-4px); }
.footer-bottom { margin-top: 50px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.08); text-align: center; color: #94a3b8; font-size: .9rem; }

/* ---------- Scroll to top ---------- */
.scroll-top {
    position: fixed; bottom: 26px; inset-inline-end: 26px;
    width: 48px; height: 48px; border-radius: 50%; border: none;
    background: var(--grad-primary); color: #fff; font-size: 1.3rem;
    box-shadow: var(--shadow-blue);
    opacity: 0; visibility: hidden; transform: translateY(14px);
    transition: all .35s var(--ease-out); z-index: 1030; cursor: pointer;
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); }

/* ---------- AOS fallback: never hide content if AOS fails ---------- */
.aos-fallback [data-aos] { opacity: 1 !important; transform: none !important; }

/* ---------- Forms Section (Registration / Partnership / Contact) ---------- */
.forms-section { background: var(--c-bg); }
.forms-wrapper {
    max-width: 880px; margin: 0 auto;
    border-radius: var(--radius-xl);
    padding: 0; overflow: hidden;
    position: relative;
}
.forms-tabs {
    list-style: none; margin: 0; padding: 0;
    display: flex; gap: 6px; padding: 12px;
    background: rgba(13, 148, 136, .04);
    border-bottom: 1px solid var(--c-line);
}
.forms-tab {
    flex: 1; display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 14px 12px; border: none; background: transparent;
    color: var(--c-muted); font-weight: 700; font-size: 1rem; cursor: pointer;
    border-radius: var(--radius-sm); transition: all .3s var(--ease-out);
    font-family: inherit;
}
.forms-tab i { font-size: 1.15rem; transition: transform .3s var(--ease-out); }
.forms-tab:hover { color: var(--c-primary); background: rgba(13, 148, 136, .06); }
.forms-tab:hover i { transform: scale(1.12); }
.forms-tab.active {
    background: var(--grad-primary); color: #fff;
    box-shadow: var(--shadow-blue);
}
.forms-tab.active i { color: var(--c-accent); }

.forms-panes { padding: 38px; position: relative; }
@media (max-width: 575.98px) {
    .forms-panes { padding: 24px 18px; }
    .forms-tab { padding: 12px 8px; gap: 5px; }
    .forms-tab span { font-size: .82rem; }
    .forms-tab i { font-size: 1rem; }
}
@media (max-width: 380px) {
    .forms-tab span { display: none; }
    .forms-tab { padding: 14px; }
}

.form-pane { display: none; animation: fadePane .5s var(--ease-out); }
.form-pane.active { display: block; }

.form-pane-intro { margin-bottom: 24px; }
.form-pane-intro h3 { font-size: 1.45rem; margin-bottom: 6px; }
.form-pane-intro p { color: var(--c-muted); }

.custom-form .form-label {
    font-weight: 700; color: var(--c-ink); font-size: .92rem;
    margin-bottom: 8px; display: block;
}
.input-icon { position: relative; }
.input-icon > i {
    position: absolute; top: 16px; inset-inline-start: 16px;
    color: var(--c-muted); font-size: 1.05rem; z-index: 2;
    transition: color .25s var(--ease);
    pointer-events: none;
}
.input-icon.input-icon-textarea > i { top: 18px; }
.input-icon .form-control,
.input-icon .form-select {
    padding-inline-start: 44px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--c-line);
    background: #fff;
    height: 50px; font-size: .98rem; color: var(--c-ink);
    transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.input-icon .form-control:focus,
.input-icon .form-select:focus {
    border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(13, 148, 136, .12);
}
.input-icon:focus-within > i { color: var(--c-primary); }
.input-icon textarea.form-control { height: auto; padding-top: 14px; padding-bottom: 14px; resize: vertical; }

.input-icon-select .form-select {
    appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: center right 16px; background-size: 14px;
    padding-inline-end: 40px;
}
[dir="rtl"] .input-icon-select .form-select { background-position: center left 16px; }

.custom-form .invalid-feedback { font-weight: 600; font-size: .85rem; color: #dc2626; }

.form-check { padding-inline-start: 0; display: flex; align-items: flex-start; gap: 10px; }
.form-check-input {
    margin-top: 4px; flex-shrink: 0;
    width: 1.15em; height: 1.15em; cursor: pointer;
    border: 1.5px solid var(--c-line); border-radius: 5px;
}
.form-check-input:checked { background-color: var(--c-primary); border-color: var(--c-primary); }
.form-check-input:focus { box-shadow: 0 0 0 4px rgba(13, 148, 136, .12); }
.form-check-label { color: var(--c-body); font-size: .92rem; cursor: pointer; }

.btn-submit {
    display: inline-flex; align-items: center; gap: 10px;
    margin-top: 26px; padding: 16px 34px; font-size: 1.05rem;
    background: var(--grad-primary); color: #fff; border: none;
    box-shadow: var(--shadow-blue); border-radius: 999px; font-weight: 700;
    transition: all .3s var(--ease-out); cursor: pointer; font-family: inherit;
}
.btn-submit:hover { transform: translateY(-3px); color: #fff; box-shadow: 0 26px 54px rgba(13,148,136,.42); }
.btn-submit .dir-arrow { transition: transform .3s var(--ease); }
.btn-submit:hover .dir-arrow { transform: translateX(-6px); }
[dir="ltr"] .btn-submit:hover .dir-arrow { transform: translateX(6px); }
[dir="rtl"] .btn-submit .dir-arrow { transform: scaleX(-1); }

/* Success message overlay */
.form-success {
    position: absolute; inset: 0; z-index: 10;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; padding: 32px;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(10px);
    border-radius: inherit;
    animation: fadePane .4s var(--ease-out);
}
.form-success-icon {
    width: 80px; height: 80px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0D9488 0%, #041A4A 100%);
    color: #fff; font-size: 2.4rem; margin-bottom: 18px;
    box-shadow: var(--shadow-blue);
    animation: popIn .5s var(--ease-out);
}
@keyframes popIn { from { transform: scale(.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.form-success h4 { font-size: 1.5rem; margin-bottom: 8px; color: var(--c-ink); }
.form-success p { color: var(--c-muted); margin-bottom: 22px; max-width: 380px; }
.form-success .btn-ghost-lg { padding: 12px 28px; font-size: .95rem; }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .hero-card-stack { display: none; }
    .navbar-collapse {
        background: #102e62; border-radius: var(--radius); padding: 18px;
        margin-top: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.1);
    }
    .custom-navbar .nav-actions { margin-top: 14px; justify-content: center; }
    .topics-panel { min-height: auto; }
    .register-cta-card { margin-top: 0; }

    /* Topics : tabs en scroll horizontal sur mobile */
    .topics-tabs-list {
        flex-direction: row;
        overflow-x: auto;
        flex-wrap: nowrap;
        gap: 8px;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        scroll-behavior: smooth;
    }
    .topics-tabs-list::-webkit-scrollbar { display: none; }
    .topic-tab {
        min-width: max-content;
        flex-shrink: 0;
        padding: 12px 16px;
        font-size: .92rem;
    }
    .topic-tab .tab-arrow { display: none; }
    .topics-panel { margin-top: 12px; }
}

@media (max-width: 575.98px) {
    .hero-meta { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { justify-content: center; }
    .section-title { font-size: 1.55rem; }
    .vision-card h3, .vision-card p { padding-inline-start: 22px; padding-inline-end: 22px; }
    .vision-icon { inset-inline-start: 22px; }
    .topics-panel { padding: 28px 22px; }
    .register-cta-card { padding: 50px 22px; }
    .brand-line-2 { display: none; }
    .stat-plus { font-size: 1.6rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
    html { scroll-behavior: auto; }
    .hero-anim { opacity: 1 !important; transform: none !important; }
    .hero-card-float, .hero-card-float-2 { animation: none !important; }
}