/* ==========================================================================
   IA-SPORT CAMEROUN — Thème Dual (Clair / Sombre High-Tech) & Visual Design System
   Baseline: "Intelligence athlétique au service de tous" / Intelligent Athletics
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@500;600;700;800;900&display=swap');

:root {
    /* Couleurs de la Charte Graphique */
    --color-primary: #DC0000;
    --color-primary-dark: #9F0609;
    --color-secondary: #1E3C78;
    --color-secondary-light: #146EAA;
    --color-accent-gold: #D2AA3C;

    /* Thème Clair par défaut (Slate Light & Écritures Bleu Nuit) */
    --bg-base: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-subtle: #F1F5F9;
    --bg-card-border: #E2E4E8;

    --color-midnight-blue: #0F1F3D;
    --color-text-body: #1E293B;
    --color-text-muted: #64748B;
    --color-nav-bg: rgba(248, 250, 252, 0.88);
    --color-topbar-bg: #0F1F3D;

    /* Feedback & Google */
    --color-success: #1E9E5A;
    --color-warning: #E0A800;
    --color-error: #D64545;
    --google-blue: #4285F4;

    /* Dégradés */
    --gradient-primary: linear-gradient(135deg, #DC0000 0%, #9F0609 100%);
    --gradient-navy: linear-gradient(135deg, #0F1F3D 0%, #1E3C78 100%);
    --gradient-gold: linear-gradient(135deg, #D2AA3C 0%, #F59E0B 100%);

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(15, 31, 61, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 31, 61, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 31, 61, 0.12);

    /* Zones sûres (encoche / barres système iPhone) */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* 1. THÈME SOMBRE HIGH-TECH TOGGLE (Suggestion 1) */
[data-theme="dark"] {
    --bg-base: #0A1120;
    --bg-surface: #0F1F3D;
    --bg-card: rgba(15, 31, 61, 0.9);
    --bg-card-subtle: rgba(10, 17, 32, 0.8);
    --bg-card-border: rgba(255, 255, 255, 0.12);

    --color-midnight-blue: #FFFFFF;
    --color-text-body: #F2F3F5;
    --color-text-muted: #9CA3AF;
    --color-nav-bg: rgba(10, 17, 32, 0.92);
    --color-topbar-bg: #050A14;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-base);
    color: var(--color-text-body);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.25;
    color: var(--color-midnight-blue);
    letter-spacing: -0.015em;
}

a { color: inherit; text-decoration: none; }
button, select, input, textarea { font-family: inherit; }

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: clamp(60px, 8vw, 100px) 0;
    position: relative;
}

/* Colors & Gradients */
.gradient-text-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary-light); }
.text-gold { color: var(--color-accent-gold); }
.text-navy { color: var(--color-midnight-blue); }
.text-success { color: var(--color-success); }

/* Top Bar & Theme Toggle */
.top-contact-bar {
    background: var(--color-topbar-bg);
    color: #FFFFFF;
    padding: 10px 0;
    padding-top: calc(10px + var(--safe-top));
    font-size: 0.82rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.4s ease;
}

.top-contact-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.top-info .sep { color: rgba(255, 255, 255, 0.3); }

.top-socials {
    display: flex;
    gap: 14px;
    align-items: center;
}

.top-socials a {
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
}

.top-socials a:hover {
    color: var(--color-accent-gold);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 40px;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 14px 0;
    transition: var(--transition);
    background: var(--color-nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--bg-card-border);
}

.navbar.scrolled {
    top: 0;
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 46px;
    width: auto;
    object-fit: contain;
}

.brand-text-wrapper {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    color: var(--color-midnight-blue);
}

.brand-baseline {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    position: relative;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-midnight-blue);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 800;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-primary);
}

.nav-link.highlight-link.active {
    color: var(--google-blue);
}

.nav-link.highlight-link.active::after {
    background: var(--google-blue);
}

.highlight-link {
    color: var(--google-blue);
    background: rgba(66, 133, 244, 0.08);
    border: 1px solid rgba(66, 133, 244, 0.25);
    padding: 6px 14px;
    border-radius: var(--radius-full);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Glassmorphism Panel avec Halo Lumineux (Suggestion 4) */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.glass-panel:hover {
    box-shadow: var(--shadow-lg), 0 0 20px rgba(220, 0, 0, 0.15);
    border-color: rgba(220, 0, 0, 0.3);
}

.glass-panel-inner {
    background: var(--bg-card-subtle);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-md);
    padding: 20px;
}

/* Badges & Buttons */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.badge-primary {
    background: rgba(220, 0, 0, 0.08);
    border: 1px solid rgba(220, 0, 0, 0.25);
    color: var(--color-primary);
}

.badge-gold {
    background: rgba(210, 170, 60, 0.12);
    border: 1px solid rgba(210, 170, 60, 0.3);
    color: #B8860B;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(220, 0, 0, 0.5);
    animation: pulse 2s infinite;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 18px rgba(220, 0, 0, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 0, 0, 0.4);
}

.btn-secondary {
    background: var(--color-midnight-blue);
    color: #FFFFFF;
}

.btn-secondary:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
}

.btn-outline {
    background: var(--bg-surface);
    color: var(--color-midnight-blue);
    border: 1px solid var(--bg-card-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-google {
    background: var(--color-midnight-blue);
    color: #FFFFFF;
    font-weight: 700;
}

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.w-full { width: 100%; }
.mt-4 { margin-top: 24px; }

/* Hero Section */
.hero-section {
    padding-top: clamp(140px, 16vw, 190px);
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 900;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    color: var(--color-text-body);
    margin-bottom: 36px;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

/* 3. JAUGES ET ANNEAUX SVG ANIMÉS (Suggestion 3) */
.hero-metrics-bar {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--bg-card-border);
    flex-wrap: wrap;
}

.metric-gauge-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.svg-ring-container {
    position: relative;
    width: 54px;
    height: 54px;
}

.svg-ring-container svg {
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--bg-card-border);
    stroke-width: 4;
}

.ring-progress {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 4;
    stroke-linecap: round;
    transition: stroke-dashoffset 1.5s ease;
}

.ring-progress.gold { stroke: var(--color-accent-gold); }
.ring-progress.green { stroke: var(--color-success); }

.ring-value-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--color-midnight-blue);
}

.metric-info .m-val {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--color-midnight-blue);
}

.metric-info .m-lbl {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* 2. CARROUSEL INFINI MARQUEE PARTENAIRES (Suggestion 2) */
.marquee-section {
    padding: 22px 0 26px;
    background: var(--bg-card-subtle);
    border-y: 1px solid var(--bg-card-border);
    overflow: hidden;
    position: relative;
}

.marquee-overline {
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    opacity: 0.55;
    margin-bottom: 14px;
}

.marquee-container {
    display: flex;
    width: 200%;
    animation: marqueeScroll 48s linear infinite;
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
}

.marquee-track {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.marquee-container:hover {
    animation-play-state: paused;
}

.marquee-item {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    opacity: 0.65;
    white-space: nowrap;
    transition: var(--transition);
}

.marquee-item:hover {
    opacity: 1;
    color: var(--color-primary);
}

.marquee-item i {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    opacity: 0.8;
}

.marquee-item:hover i {
    color: var(--color-accent-gold);
    opacity: 1;
}

.marquee-divider {
    flex: 0 0 auto;
    color: var(--bg-card-border);
    font-size: 0.8rem;
    opacity: 0.7;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Dashboard Mockup Card */
.dashboard-mockup-card {
    padding: 24px;
    background: var(--bg-surface);
}

.mockup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bg-card-border);
    margin-bottom: 20px;
}

.window-dots .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.window-dots .dot.red { background: #DC0000; }
.window-dots .dot.yellow { background: #D2AA3C; }
.window-dots .dot.green { background: #1E9E5A; }

.analytics-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.analytic-card {
    background: var(--bg-card-subtle);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-md);
    padding: 14px;
}

.card-label { font-size: 0.75rem; color: var(--color-text-muted); font-weight: 600; }
.card-value { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; margin: 4px 0; color: var(--color-midnight-blue); }

.motion-stream-box {
    background: #0F1F3D;
    color: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 20px;
    position: relative;
}

/* 5. VISEUR TÉLÉMÉTRIQUE HUD CURSOR OVERLAY (Suggestion 5) */
.skeleton-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    background: radial-gradient(circle at center, #1E3C78 0%, #0A1120 90%);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: crosshair;
}

.hud-reticle-overlay {
    position: absolute;
    pointer-events: none;
    font-family: monospace;
    font-size: 0.7rem;
    color: var(--color-accent-gold);
    background: rgba(10, 17, 32, 0.85);
    border: 1px solid var(--color-accent-gold);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    z-index: 20;
    display: none;
    box-shadow: 0 0 10px rgba(210, 170, 60, 0.4);
}

.canvas-overlay-data {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
    z-index: 5;
}

.data-pill {
    background: rgba(15, 31, 61, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    padding: 4px 10px;
    font-size: 0.7rem;
    color: #F2F3F5;
}

.engine-signals-list { display: flex; flex-wrap: wrap; gap: 8px; }
.signal-tag { font-size: 0.75rem; padding: 4px 10px; border-radius: var(--radius-sm); background: var(--bg-card-subtle); color: var(--color-text-muted); font-weight: 600; }
.signal-tag.active { background: rgba(220, 0, 0, 0.08); color: var(--color-primary); border: 1px solid rgba(220, 0, 0, 0.25); }

/* Vision & Solutions */
.vision-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 50px; }
.vision-card { padding: 32px 24px; background: var(--bg-surface); }

.card-icon-box { width: 54px; height: 54px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 24px; }
.card-icon-box.red { background: rgba(220, 0, 0, 0.08); color: var(--color-primary); }
.card-icon-box.gold { background: rgba(210, 170, 60, 0.12); color: #B8860B; }
.card-icon-box.blue { background: rgba(30, 60, 120, 0.08); color: var(--color-secondary); }
.card-icon-box.purple { background: rgba(139, 92, 246, 0.1); color: #7C3AED; }

.solutions-tabs { display: flex; gap: 12px; justify-content: center; margin: 36px 0 28px; flex-wrap: wrap; }
.tab-btn { padding: 12px 24px; border-radius: var(--radius-full); background: var(--bg-surface); border: 1px solid var(--bg-card-border); color: var(--color-midnight-blue); font-weight: 700; cursor: pointer; transition: var(--transition); }
.tab-btn.active { background: var(--gradient-primary); color: #FFFFFF; border-color: transparent; }

.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeIn 0.4s ease; }
.pane-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }

/* Interactive Demo */
.interactive-demo-card { padding: clamp(20px, 4vw, 36px); margin-top: 40px; background: var(--bg-surface); }
.demo-controls { display: grid; grid-template-columns: 2fr 2fr 1fr; gap: 20px; align-items: end; padding-bottom: 24px; border-bottom: 1px solid var(--bg-card-border); margin-bottom: 24px; }
.form-select, .form-input, textarea { width: 100%; padding: 12px 16px; border-radius: var(--radius-md); background: var(--bg-card-subtle); border: 1px solid var(--bg-card-border); color: var(--color-midnight-blue); font-weight: 600; outline: none; }
.btn-group-toggle { display: flex; background: var(--bg-card-subtle); border: 1px solid var(--bg-card-border); border-radius: var(--radius-md); padding: 4px; }
.toggle-btn { flex: 1; padding: 8px 12px; border: none; background: transparent; color: var(--color-text-muted); font-size: 0.75rem; font-weight: 700; border-radius: var(--radius-sm); cursor: pointer; }
.toggle-btn.active { background: var(--bg-surface); color: var(--color-midnight-blue); }

.demo-display-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.span-2 { grid-column: span 2; }
.chart-bar-item { margin-bottom: 12px; }
.bar-info { display: flex; justify-content: space-between; font-size: 0.8rem; margin-bottom: 4px; font-weight: 600; color: var(--color-midnight-blue); }
.bar-track { height: 8px; background: var(--bg-card-border); border-radius: var(--radius-full); overflow: hidden; }
.bar-fill { height: 100%; border-radius: var(--radius-full); transition: width 0.8s ease; }

.narrative-box { background: var(--bg-card-subtle); border: 1px dashed var(--bg-card-border); border-radius: var(--radius-md); padding: 16px; font-size: 0.95rem; color: var(--color-text-body); line-height: 1.7; }

/* Sports Grid & Founders */
.sports-category-filter { display: flex; justify-content: center; gap: 10px; margin: 30px 0 40px; flex-wrap: wrap; }
.filter-btn { padding: 8px 18px; border-radius: var(--radius-full); background: var(--bg-surface); border: 1px solid var(--bg-card-border); color: var(--color-midnight-blue); font-size: 0.85rem; font-weight: 700; cursor: pointer; }
.filter-btn.active { border-color: var(--color-primary); color: var(--color-primary); background: rgba(220, 0, 0, 0.05); }

.sports-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.sport-card { background: var(--bg-surface); border: 1px solid var(--bg-card-border); border-radius: var(--radius-md); padding: 20px 14px; text-align: center; transition: var(--transition); }
.sport-icon { font-size: 1.8rem; color: var(--color-primary); margin-bottom: 10px; }

.founders-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 40px; }
.founder-card { padding: 36px; display: flex; gap: 28px; align-items: flex-start; background: var(--bg-surface); }
.founder-avatar-placeholder { width: 90px; height: 90px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-size: 1.8rem; font-weight: 900; color: #FFFFFF; }
.founder-avatar-placeholder.red { background: var(--gradient-primary); }
.founder-avatar-placeholder.blue { background: var(--gradient-navy); }

/* Google Section */
.google-card { padding: 48px; border: 1px solid rgba(66, 133, 244, 0.3); background: var(--bg-surface); }
.g-metrics-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 36px; padding: 24px; background: var(--bg-card-subtle); border-radius: var(--radius-md); }

/* Footer */
.footer { background: #050A14; color: #FFFFFF; border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 80px 0 calc(40px + var(--safe-bottom)); }
.footer-container { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }

/* Language Bar & Modals */
.lang-switcher { display: inline-flex; align-items: center; gap: 4px; background: rgba(255, 255, 255, 0.1); padding: 3px 8px; border-radius: var(--radius-full); margin-right: 8px; }
.lang-btn { background: none; border: none; color: rgba(255, 255, 255, 0.7); font-size: 0.75rem; font-weight: 700; cursor: pointer; padding: 2px 6px; border-radius: var(--radius-sm); }
.lang-btn.active { color: var(--color-accent-gold); background: rgba(255, 255, 255, 0.15); }

.modal-overlay { position: fixed; inset: 0; background: rgba(15, 31, 61, 0.75); backdrop-filter: blur(8px); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 16px; opacity: 0; pointer-events: none; transition: var(--transition); }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-container { width: 100%; max-width: 600px; padding: clamp(24px, 4vw, 40px); position: relative; max-height: 90vh; overflow-y: auto; background: var(--bg-surface); border-radius: var(--radius-lg); }

.modal-close { position: absolute; top: 16px; right: 16px; background: var(--bg-card-subtle); border: none; color: var(--color-midnight-blue); width: 36px; height: 36px; border-radius: 50%; font-size: 1.4rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }

/* ==========================================================================
   BLOC CORRECTIF — Composants manquants (Diagnostic CSS)
   ========================================================================== */

/* --- Utilitaires --- */
.text-center { text-align: center; }
.text-google-blue { color: var(--google-blue); }
.glow-card { box-shadow: var(--shadow-lg), 0 0 40px rgba(66, 133, 244, 0.15); }
.glow-gold { box-shadow: 0 0 12px rgba(210, 170, 60, 0.45); border: 1px solid rgba(210, 170, 60, 0.4) !important; }

/* --- Titres de section --- */
.section-header {
    max-width: 760px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-title {
    font-size: clamp(1.9rem, 3.4vw, 2.6rem);
    margin: 14px 0 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- Décor Hero --- */
.hero-content, .hero-visual { position: relative; z-index: 1; }

.hero-bg-glow {
    position: absolute;
    top: -12%;
    right: -8%;
    width: 620px;
    height: 620px;
    max-width: 90vw;
    background: radial-gradient(circle, rgba(220, 0, 0, 0.12) 0%, transparent 72%);
    filter: blur(30px);
    z-index: 0;
    pointer-events: none;
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--bg-card-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-card-border) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.3;
    z-index: 0;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(ellipse at top, black, transparent 70%);
    mask-image: radial-gradient(ellipse at top, black, transparent 70%);
}

/* --- Menu Mobile (Correction critique : caché par défaut) --- */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.35rem;
    color: var(--color-midnight-blue);
    cursor: pointer;
    padding: 6px 8px;
    line-height: 1;
    z-index: 1600;
}

.mobile-drawer {
    display: none;
    flex-direction: column;
    position: fixed;
    inset: 0;
    z-index: 1500;
    background: var(--bg-surface);
    padding: calc(96px + var(--safe-top)) 28px calc(40px + var(--safe-bottom));
    overflow-y: auto;
    animation: fadeIn 0.25s ease;
}

.mobile-lang-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 20px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--bg-card-border);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.mobile-link {
    padding: 16px 2px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-midnight-blue);
    border-bottom: 1px solid var(--bg-card-border);
}

.mobile-link:hover { color: var(--color-primary); }

.mobile-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.mobile-actions { margin-top: 28px; }

/* --- Cartes Analytiques Hero (tendances) --- */
.card-trend {
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}
.card-trend.positive { color: var(--color-success); }
.card-trend.neutral { color: var(--color-text-muted); }

.mockup-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-midnight-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

.mockup-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--color-success);
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    display: inline-block;
    box-shadow: 0 0 8px rgba(30, 158, 90, 0.6);
    animation: pulse 2s infinite;
}

/* --- Switch de mode caméra (2D / Orbite 360° / Vidéo IA) --- */
.canvas-mode-switcher { display: flex; gap: 6px; flex-wrap: wrap; }

.mode-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}
.mode-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #FFFFFF; }

.canvas-hint-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 10px;
    display: flex;
    align-items: flex-start;
    gap: 6px;
}

/* --- Overlay Vidéo IA simulée --- */
.video-overlay-sim {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.sim-video-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1E3C78 0%, #0A1120 100%);
}

.video-hud {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 700;
    color: #FFFFFF;
}

.hud-tag { display: flex; align-items: center; gap: 6px; }
.hud-fps { font-family: monospace; color: var(--color-accent-gold); }

/* --- Diagramme de Consensus Barycentrique (Onglet Analytique) --- */
.graphic-badge {
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 20px;
}

.barycenter-diagram {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.node.central-node {
    position: relative;
    z-index: 3;
    width: 108px;
    height: 108px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-weight: 800;
    font-size: 0.82rem;
    box-shadow: 0 0 30px rgba(220, 0, 0, 0.35);
    text-align: center;
}
.node.central-node i { font-size: 1.35rem; }

.satellite-nodes { position: absolute; inset: 0; }

.s-node {
    position: absolute;
    background: var(--bg-card-subtle);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-md);
    padding: 8px 14px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-midnight-blue);
    text-align: center;
    box-shadow: var(--shadow-sm);
}
.s-node small { display: block; font-weight: 500; color: var(--color-text-muted); font-size: 0.62rem; margin-top: 2px; }

.s-node.s1 { top: 0; left: 50%; transform: translateX(-50%); }
.s-node.s2 { top: 20%; right: 2%; }
.s-node.s3 { bottom: 6%; right: 12%; }
.s-node.s4 { bottom: 6%; left: 12%; }
.s-node.s5 { top: 20%; left: 2%; }

/* --- Jumeau Numérique (Onglet Cinétique) --- */
.digital-twin-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    text-align: center;
}

.twin-metric-badge {
    font-family: monospace;
    font-size: 0.72rem;
    background: var(--bg-card-subtle);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    color: var(--color-midnight-blue);
    font-weight: 700;
}

.radar-box {
    position: relative;
    width: 220px;
    height: 220px;
    max-width: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 60, 120, 0.14) 0%, rgba(15, 31, 61, 0.02) 70%);
    border: 1px solid var(--bg-card-border);
    overflow: hidden;
}
.radar-box::before, .radar-box::after {
    content: '';
    position: absolute;
    border: 1px solid var(--bg-card-border);
    border-radius: 50%;
}
.radar-box::before { inset: 16%; }
.radar-box::after { inset: 36%; }

.radar-sweep {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, rgba(30, 60, 120, 0.4), transparent 30%);
    animation: radarSpin 3s linear infinite;
}

.radar-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 8px rgba(220, 0, 0, 0.6);
}
.radar-dot.d1 { top: 30%; left: 55%; }
.radar-dot.d2 { top: 60%; left: 35%; }
.radar-dot.d3 { top: 45%; left: 70%; }

.twin-status {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-success);
    letter-spacing: 0.03em;
}

@keyframes radarSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* --- Onglet Arbitrage --- */
.referee-card-content { display: flex; flex-direction: column; gap: 20px; }

.verdict-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-weight: 800;
    font-size: 0.88rem;
    letter-spacing: 0.02em;
}
.verdict-banner.success {
    background: rgba(30, 158, 90, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(30, 158, 90, 0.3);
}

.decision-breakdown { display: flex; flex-direction: column; gap: 12px; }

.d-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--color-text-body);
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--bg-card-border);
}
.d-row strong { color: var(--color-midnight-blue); }

/* --- Onglet Conseil --- */
.advisory-preview { display: flex; flex-direction: column; gap: 20px; }

.advisory-header {
    font-size: 0.74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    text-align: center;
}

.prob-bars { display: flex; flex-direction: column; gap: 16px; }

.prob-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-midnight-blue);
}

.prob-track {
    height: 10px;
    background: var(--bg-card-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.prob-fill { height: 100%; border-radius: var(--radius-full); transition: width 0.8s ease; }

/* --- Listes à puces validées --- */
.check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 24px 0;
}
.check-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 0.92rem;
    color: var(--color-text-body);
    line-height: 1.6;
}
.check-list i { margin-top: 4px; flex-shrink: 0; }

/* --- Démo Interactive Live --- */
.control-group { display: flex; flex-direction: column; gap: 8px; }
.control-group label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-midnight-blue);
    display: flex;
    align-items: center;
    gap: 6px;
}

.box-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-midnight-blue);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.metrics-grid-mini { display: flex; flex-direction: column; gap: 10px; }

/* --- Grille des 40 Sports --- */
.sport-name { font-size: 0.85rem; font-weight: 700; color: var(--color-midnight-blue); margin-bottom: 4px; }
.sport-cat { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.05em; color: var(--color-text-muted); }
.sport-card:hover { transform: translateY(-4px); border-color: var(--color-primary); box-shadow: var(--shadow-md); }

/* --- Section Fondateurs --- */
.founder-image-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.founder-badge-role {
    font-size: 0.66rem;
    font-weight: 700;
    text-align: center;
    background: var(--bg-card-subtle);
    border: 1px solid var(--bg-card-border);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    color: var(--color-midnight-blue);
    white-space: nowrap;
}

.founder-info { flex: 1; min-width: 0; }
.founder-name { font-size: 1.2rem; margin-bottom: 4px; }
.founder-title { font-size: 0.85rem; font-weight: 700; color: var(--color-primary); margin-bottom: 14px; }
.founder-bio { font-size: 0.9rem; color: var(--color-text-body); line-height: 1.7; margin-bottom: 16px; }

.founder-expertise { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.exp-tag {
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--bg-card-subtle);
    border: 1px solid var(--bg-card-border);
    padding: 5px 12px;
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
}

.founder-socials { display: flex; gap: 10px; }
.social-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-card-subtle);
    border: 1px solid var(--bg-card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-midnight-blue);
    transition: var(--transition);
}
.social-link:hover { background: var(--color-primary); color: #FFFFFF; border-color: var(--color-primary); }
.social-link.wa-accent:hover { background: var(--color-success); border-color: var(--color-success); }

/* --- Résumé Fondateurs (Dossier Google) --- */
.founders-summary-box { margin: 32px 0; padding: 24px; }
.founders-summary-box h4 { margin-bottom: 14px; font-size: 1rem; }
.f-duo { display: flex; flex-direction: column; gap: 8px; font-size: 0.88rem; color: var(--color-text-body); }

/* --- Section Google for Startups --- */
.google-badge-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 20px; }
.g-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-midnight-blue);
    background: rgba(66, 133, 244, 0.08);
    border: 1px solid rgba(66, 133, 244, 0.25);
    padding: 6px 14px;
    border-radius: var(--radius-full);
}
.g-badge-sub { font-size: 0.75rem; color: var(--color-text-muted); font-weight: 600; }

.google-title { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 16px; max-width: 720px; }
.google-desc { color: var(--color-text-muted); font-size: 0.98rem; line-height: 1.75; max-width: 760px; margin-bottom: 8px; }

.g-metric { text-align: center; }
.g-num { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 900; color: var(--google-blue); margin-bottom: 4px; }
.g-txt { font-size: 0.72rem; color: var(--color-text-muted); font-weight: 600; }

.google-actions { margin-top: 8px; }

/* --- Footer --- */
.footer h4 { color: #FFFFFF; font-size: 0.95rem; margin-bottom: 20px; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer ul li a { color: rgba(255, 255, 255, 0.65); font-size: 0.88rem; transition: var(--transition); }
.footer ul li a:hover { color: var(--color-accent-gold); }

.footer-col p { color: rgba(255, 255, 255, 0.65); font-size: 0.85rem; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.brand-col { display: flex; flex-direction: column; gap: 18px; }
.footer-tagline { color: rgba(255, 255, 255, 0.55); font-size: 0.85rem; line-height: 1.7; max-width: 340px; }

.footer-social-links { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    transition: var(--transition);
}
.footer-social-links a:hover { background: var(--color-primary); }

.copyright-text { font-size: 0.75rem; color: rgba(255, 255, 255, 0.4); margin-top: 8px; }

/* --- Formulaires de Modale --- */
.modal-header { text-align: left; margin-bottom: 24px; }
.modal-header.text-center { text-align: center; }
.modal-header h2 { font-size: 1.4rem; margin: 10px 0 8px; }
.modal-header p { color: var(--color-text-muted); font-size: 0.9rem; }

.modal-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.8rem; font-weight: 700; color: var(--color-midnight-blue); }

.modal-btn-group { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.wa-btn-direct { background: var(--color-success); }
.wa-btn-direct:hover { background: #178049; }
.modal-lg { max-width: 900px; }

/* --- Dossier PDF Google for Startups --- */
.pitch-dossier-body { margin-top: 20px; }
.dossier-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.dossier-card { background: var(--bg-card-subtle); border: 1px solid var(--bg-card-border); border-radius: var(--radius-md); padding: 22px; }
.d-icon { font-size: 1.3rem; margin-bottom: 12px; }
.dossier-card h4 { font-size: 0.95rem; margin-bottom: 8px; }
.dossier-card p { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.6; }
.dossier-actions { margin-top: 12px; }

/* --- Détails de mise en page restants --- */
.mockup-body { padding-top: 4px; }
.mockup-footer { margin-top: 20px; }

.stream-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
}

.ring-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.hud-coord { display: block; margin-bottom: 2px; }

.pane-text h3 { margin-bottom: 16px; }
.pane-graphic { padding: 32px; display: flex; flex-direction: column; justify-content: center; }

/* --- Barre de langue mobile & séparateurs --- */
.lang-sep { color: rgba(255, 255, 255, 0.3); font-size: 0.7rem; }
.top-wa-link { color: rgba(255, 255, 255, 0.85); display: inline-flex; align-items: center; gap: 4px; transition: var(--transition); }
.top-wa-link:hover { color: var(--color-success); }

/* Animations */
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Media Queries */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-cta-group, .hero-metrics-bar { justify-content: center; }
    .vision-grid { grid-template-columns: repeat(2, 1fr); }
    .pane-grid { grid-template-columns: 1fr; }
    .sports-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-container { grid-template-columns: 1fr 1fr; }
    .barycenter-diagram { height: 300px; }
}

@media (max-width: 900px) {
    .dossier-grid { grid-template-columns: 1fr; }
    .g-metrics-row { grid-template-columns: repeat(2, 1fr); }
    .demo-controls { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .top-contact-container { flex-direction: column; text-align: center; gap: 6px; }
    .nav-links, .nav-actions { display: none; }
    .mobile-menu-toggle { display: block; }
    /* .navbar top est désormais calculé dynamiquement en JS (updateNavbarOffset) ;
       .navbar.scrolled { top: 0 } est déjà défini globalement plus haut. */
    .demo-controls, .demo-display-grid, .founders-grid, .form-row, .dossier-grid { grid-template-columns: 1fr; }
    .span-2 { grid-column: span 1; }
    .sports-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .founder-card { flex-direction: column; align-items: center; text-align: center; }
    .founder-socials { justify-content: center; }
    .founder-expertise { justify-content: center; }
    .analytics-row { grid-template-columns: 1fr; }
    .barycenter-diagram { height: 260px; }
    .g-metrics-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .sports-grid, .g-metrics-row, .analytics-row, .footer-container { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
    .hero-title { font-size: 1.75rem; }
    .btn { padding: 10px 18px; font-size: 0.85rem; }
    .btn-lg { padding: 13px 22px; font-size: 0.92rem; }
    .sports-grid { grid-template-columns: 1fr; }
    .radar-box { width: 180px; height: 180px; }
}

/* Mode paysage sur petits écrans (drawer mobile scrollable, header compact) */
@media (max-height: 500px) and (orientation: landscape) {
    .mobile-drawer { padding-top: calc(70px + var(--safe-top)); }
    .hero-section { padding-top: 120px; }
}

/* Respecte la préférence système "réduire les animations" */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}