/* ===== VARIABLES ===== */
:root {
    /* Colors - Palette style Melvin/nowts.app */
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --secondary: #fbbf24;
    --accent: #f97316;
    --dark: #000000;
    --dark-secondary: #0a0a0a;
    --dark-tertiary: #171717;
    --light: #fafafa;
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --border: #262626;

    /* Badge Colors */
    --green: #10b981;
    --green-light: #34d399;
    --red: #ef4444;
    --red-light: #f87171;
    --blue: #3b82f6;
    --blue-light: #60a5fa;
    --pink: #ec4899;
    --pink-light: #f472b6;
    --purple: #8b5cf6;
    --yellow: #eab308;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #f97316 50%, #ea580c 100%);
    --gradient-dark: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
    --gradient-accent: radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.15) 0%, transparent 50%);
    --gradient-green: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-red: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --gradient-pink: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;

    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-sm) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    gap: 0.5rem;
}

.logo-text {
    color: var(--text-primary);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== BADGES COLORÉS ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}

.badge-green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--green-light);
    border: 1px solid rgba(16, 185, 129, 0.3);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

.badge-red {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red-light);
    border: 1px solid rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.15);
}

.badge-blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--blue-light);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.badge-pink {
    background: rgba(236, 72, 153, 0.1);
    color: var(--pink-light);
    border: 1px solid rgba(236, 72, 153, 0.3);
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.15);
}

.badge-purple {
    background: rgba(139, 92, 246, 0.1);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.15);
}

.badge-yellow {
    background: rgba(234, 179, 8, 0.1);
    color: #fde047;
    border: 1px solid rgba(234, 179, 8, 0.3);
    box-shadow: 0 0 20px rgba(234, 179, 8, 0.15);
}

.badge-orange {
    background: rgba(245, 158, 11, 0.1);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px currentColor;
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: -1;
}

.gradient-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
    filter: blur(80px);
    animation: float 8s ease-in-out infinite;
}

.gradient-bg::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.12) 0%, transparent 70%);
    filter: blur(80px);
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, 50px); }
}

.grid-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

/* Effet spotlight qui s'ajoute par-dessus la grille */
.grid-pattern::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle 400px at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(234, 179, 8, 0.3) 0%,
        transparent 60%
    );
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.hero:hover .grid-pattern::after {
    opacity: 1;
}

/* Overlay de grille éclairée au survol */
.grid-spotlight {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(250, 204, 21, 0.6) 1px, transparent 1px),
        linear-gradient(90deg, rgba(250, 204, 21, 0.6) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0;
    mask-image: radial-gradient(circle 350px at var(--mouse-x, 50%) var(--mouse-y, 50%), black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle 350px at var(--mouse-x, 50%) var(--mouse-y, 50%), black 0%, transparent 80%);
    pointer-events: none;
    z-index: 2;
}

.hero:hover .grid-spotlight {
    opacity: 1;
}

/* Projecteurs - Faisceaux larges depuis chaque coin */
.searchlight {
    position: absolute;
    width: 1200px;
    height: 150%;
    pointer-events: none;
    z-index: 3;
    overflow: hidden;
}

/* Projecteur coin supérieur gauche */
.searchlight-top-left {
    top: -50px;
    left: -30%;
    transform-origin: top center;
    animation: sweepLeft 16s ease-in-out infinite;
}

/* Projecteur coin supérieur droit */
.searchlight-top-right {
    top: -50px;
    right: -30%;
    transform-origin: top center;
    animation: sweepRight 16s ease-in-out infinite 2s;
}


/* Faisceau lumineux prononcé avec bords très progressifs - JAUNE */
.searchlight-top-left::before,
.searchlight-top-right::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(
        ellipse 700px 120% at 50% 0%,
        rgba(234, 179, 8, 0.35) 0%,
        rgba(234, 179, 8, 0.28) 10%,
        rgba(250, 204, 21, 0.22) 20%,
        rgba(250, 204, 21, 0.16) 35%,
        rgba(250, 204, 21, 0.1) 50%,
        rgba(250, 204, 21, 0.05) 65%,
        rgba(250, 204, 21, 0.02) 80%,
        transparent 100%
    );
    mix-blend-mode: screen;
    filter: blur(60px);
    opacity: 1;
}

/* Couche supplémentaire pour intensifier le centre - JAUNE */
.searchlight-top-left::after,
.searchlight-top-right::after {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(
        ellipse 500px 100% at 50% 0%,
        rgba(234, 179, 8, 0.25) 0%,
        rgba(250, 204, 21, 0.15) 20%,
        rgba(250, 204, 21, 0.08) 40%,
        transparent 70%
    );
    mix-blend-mode: screen;
    filter: blur(40px);
}

/* Animation projecteur gauche - balayage réduit de 70% */
@keyframes sweepLeft {
    0%, 100% {
        transform: rotate(-9deg);
        opacity: 0.7;
    }
    50% {
        transform: rotate(9deg);
        opacity: 1;
    }
}

/* Animation projecteur droit - balayage réduit de 70% */
@keyframes sweepRight {
    0%, 100% {
        transform: rotate(9deg);
        opacity: 0.7;
    }
    50% {
        transform: rotate(-9deg);
        opacity: 1;
    }
}


.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-family: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(245, 158, 11, 0.4);
    position: relative;
    display: inline-block;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    opacity: 0.8;
}

/* Effet d'encadrement avec superposition style Melvin */
.title-highlight {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 8px;
    position: relative;
    box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.1),
                0 2px 8px rgba(245, 158, 11, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.title-highlight::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 8px;
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(245, 158, 11, 0.5) 0%,
        rgba(249, 115, 22, 0.3) 50%,
        rgba(234, 88, 12, 0.5) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box,
                   linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.6;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Tech Stack Infographic - Style Sticker Compact */
.tech-stack {
    padding-top: var(--spacing-md);
    max-width: 700px;
    margin: 0 auto;
}

.tech-stack-label {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tech-infographic {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(250, 250, 250, 0.03) 0%, rgba(250, 250, 250, 0.01) 100%);
    border: 1px solid rgba(250, 204, 21, 0.2);
    border-radius: 60px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(250, 204, 21, 0.1) inset;
    margin: 0 auto;
    width: fit-content;
}

.tech-infographic::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 60px;
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(250, 204, 21, 0.3) 0%,
        transparent 50%,
        rgba(250, 204, 21, 0.3) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.tech-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}

.tech-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(250, 250, 250, 0.04);
    border: 1px solid rgba(250, 250, 250, 0.08);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.tech-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(250, 204, 21, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tech-icon i {
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.tech-name {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--yellow);
    text-align: center;
    white-space: nowrap;
    background: rgba(0, 0, 0, 0.9);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(250, 204, 21, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
}

/* Hover Effects */
.tech-item:hover {
    transform: translateY(-4px) scale(1.08);
}

.tech-item:hover .tech-icon {
    background: rgba(250, 204, 21, 0.15);
    border-color: rgba(250, 204, 21, 0.4);
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.3),
                0 4px 12px rgba(0, 0, 0, 0.3);
}

.tech-item:hover .tech-icon::before {
    opacity: 1;
}

.tech-item:hover .tech-icon i {
    color: var(--yellow);
    transform: scale(1.15) rotateY(360deg);
}

.tech-item:hover .tech-name {
    opacity: 1;
    transform: translateX(-50%) scale(1);
    bottom: -35px;
}

/* Animation d'apparition progressive - légère */
.tech-item {
    animation: fadeInScale 0.4s ease backwards;
}

.tech-item:nth-child(1) { animation-delay: 0.05s; }
.tech-item:nth-child(2) { animation-delay: 0.08s; }
.tech-item:nth-child(3) { animation-delay: 0.11s; }
.tech-item:nth-child(4) { animation-delay: 0.14s; }
.tech-item:nth-child(5) { animation-delay: 0.17s; }
.tech-item:nth-child(6) { animation-delay: 0.2s; }
.tech-item:nth-child(7) { animation-delay: 0.23s; }
.tech-item:nth-child(8) { animation-delay: 0.26s; }

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== COACHING SECTION ===== */
.coaching-hero {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(249, 115, 22, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-lg);
    position: relative;
}

.coaching-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(245, 158, 11, 0.3) 0%,
        transparent 50%,
        rgba(245, 158, 11, 0.3) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.coaching-intro {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.coaching-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.coaching-title i {
    color: var(--primary);
    font-size: 1.5em;
}

.coaching-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.coaching-cta {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.coaching-cta-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.coaching-cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== SECTIONS ===== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== FORMATIONS SECTION ===== */
.formations {
    background: var(--dark-secondary);
    position: relative;
    overflow: hidden;
}

.formations::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle, rgba(250, 204, 21, 0.15) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.4;
    pointer-events: none;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.category-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--dark);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.category-tab:hover {
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.category-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.category-tab i {
    font-size: 1.5rem;
}

.category-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.category-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.formations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.formation-card {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.formation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.formation-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.formation-card:hover::before {
    transform: scaleX(1);
}

.formation-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.formation-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.formation-icon i {
    font-size: 2rem;
    color: var(--primary);
}

.formation-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.formation-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.formation-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.formation-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.formation-features i {
    color: var(--primary);
}

.formation-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.formation-duration {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== ABOUT SECTION ===== */
.about {
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle, rgba(250, 204, 21, 0.12) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    width: 100%;
}

.about-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-features {
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--dark-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--dark-tertiary);
    transform: translateX(10px);
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.about-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--dark-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-3px);
}

.social-link i {
    font-size: 1.25rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--dark-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.contact-item a,
.contact-item p {
    color: var(--text-secondary);
}

.contact-item a:hover {
    color: var(--primary);
}

.contact-form {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--dark-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-secondary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-contact p {
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    position: relative;
}

.admin-badge {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6366f1;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.admin-badge:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: #6366f1;
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.admin-badge i {
    animation: rotate-gear 8s linear infinite;
}

.admin-badge:hover i {
    animation: rotate-gear 2s linear infinite;
}

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

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 24px 32px 24px;
    max-width: 380px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    /* Masquer la scrollbar mais garder le scroll */
    scrollbar-width: none !important; /* Firefox */
    -ms-overflow-style: none !important; /* IE et Edge */
}

.modal-content::-webkit-scrollbar {
    display: none !important; /* Chrome, Safari, Opera */
    width: 0 !important;
    height: 0 !important;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: var(--dark-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--dark-tertiary);
}

.modal-header {
    text-align: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-secondary);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.social-login-btn {
    width: 100%;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.google-btn {
    background: white;
    color: #333;
}

.google-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.facebook-btn {
    background: #1877f2;
    color: white;
}

.facebook-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(24, 119, 242, 0.3);
}

.linkedin-btn {
    background: #0077b5;
    color: white;
}

.linkedin-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 119, 181, 0.3);
}

.project-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.project-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.access-help {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
}

.access-help a {
    color: var(--primary);
}

.access-help a:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        right: 0;
        bottom: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-cta {
        flex-direction: column;
    }

    .formations-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* ===== BOUTON CONNECTÉ ===== */
.btn-primary.connected {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-color: #22c55e;
}

.btn-primary.connected:hover {
    background: linear-gradient(135deg, #16a34a, #15803d);
    border-color: #16a34a;
}

.btn-primary.connected i {
    color: white;
}

/* ===== BOUTON DE SOUTIEN ===== */
.support-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ec4899, #f472b6);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}

.support-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

.support-button i {
    font-size: 1.1rem;
}

.support-button.floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(236, 72, 153, 0.6);
    }
}

.support-section {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(139, 92, 246, 0.1));
    border: 2px solid rgba(236, 72, 153, 0.3);
    border-radius: 16px;
    padding: 32px;
    margin: 40px 0;
    text-align: center;
}

.support-section h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.support-section p {
    color: #cbd5e1;
    margin-bottom: 24px;
    line-height: 1.6;
}

.support-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(236, 72, 153, 0.2);
    color: #ec4899;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .support-button.floating {
        bottom: 20px;
        right: 20px;
        padding: 10px 18px;
        font-size: 0.85rem;
    }
}

/* ===== GRILLE DE SOUTIEN ===== */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.support-card {
    background: var(--dark-800);
    border: 1px solid var(--dark-600);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.2);
}

.support-card-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
}

.support-card-header i {
    font-size: 1.5rem;
    color: var(--primary);
}

.support-card-header h4 {
    font-size: 1.25rem;
    color: #ffffff;
    font-weight: 700;
    margin: 0;
}

.support-card-description {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.stripe-button {
    background: linear-gradient(135deg, #6366f1, #8b5cf6) !important;
}

.paypal-button {
    background: linear-gradient(135deg, #0070ba, #003087) !important;
}

.crypto-button {
    background: linear-gradient(135deg, #f7931a, #ff9900) !important;
    border: none;
    cursor: pointer;
}

/* ===== POWER BI CONTAINER ===== */
.powerbi-container {
    background: var(--dark-800);
    border: 1px solid var(--dark-600);
    border-radius: 16px;
    padding: 32px;
    margin: 40px 0;
}

.powerbi-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.powerbi-header i {
    font-size: 1.5rem;
    color: #22c55e;
}

.powerbi-header h3 {
    font-size: 1.5rem;
    color: #ffffff;
    font-weight: 700;
    margin: 0;
}

.powerbi-iframe-wrapper {
    position: relative;
    width: 100%;
    height: 600px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--dark-700);
}

.powerbi-iframe-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== TERMINAL INTERACTIF ===== */
.terminal-container {
    background: var(--dark-800);
    border: 1px solid var(--dark-600);
    border-radius: 16px;
    overflow: hidden;
    margin: 40px 0;
    font-family: 'Courier New', monospace;
}

.terminal-header {
    background: var(--dark-700);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--dark-600);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-button.red {
    background: #ef4444;
}

.terminal-button.yellow {
    background: #eab308;
}

.terminal-button.green {
    background: #22c55e;
}

.terminal-title {
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 600;
}

.terminal-body {
    padding: 24px;
    background: #1a1a1a;
    color: #22c55e;
    font-size: 0.95rem;
    line-height: 1.8;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.terminal-prompt {
    color: #6366f1;
    font-weight: bold;
}

.terminal-command {
    color: #ffffff;
}

.terminal-output {
    margin: 12px 0 12px 24px;
    color: #cbd5e1;
}

.terminal-stat {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-stat:last-child {
    border-bottom: none;
}

.stat-label {
    color: #94a3b8;
}

.stat-value {
    color: #22c55e;
    font-weight: bold;
}

.terminal-cursor {
    color: #22c55e;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* ===== CRYPTO MODAL ===== */
.crypto-modal-content {
    max-width: 500px;
}

.crypto-modal-body {
    padding: 20px;
}

.crypto-address-card {
    background: var(--dark-700);
    border: 1px solid var(--dark-600);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.crypto-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.crypto-header i,
.crypto-header svg {
    font-size: 1.25rem;
    color: #6366f1;
}

.solana-icon {
    color: #14f195;
}

.crypto-header h3 {
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 700;
    margin: 0;
}

.crypto-address-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #1a1a1a;
    border: 1px solid var(--dark-600);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 10px;
}

.crypto-address-box code {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: #22c55e;
    word-break: break-all;
    user-select: all;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.copy-btn.copied {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.crypto-network {
    color: #94a3b8;
    font-size: 0.8rem;
    margin: 0;
}

.crypto-warning {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(251, 146, 60, 0.1);
    border: 1px solid #fb923c;
    border-radius: 8px;
    padding: 12px;
    margin-top: 16px;
}

.crypto-warning i {
    color: #fb923c;
    font-size: 1rem;
    margin-top: 2px;
}

.crypto-warning p {
    color: #cbd5e1;
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
}

/* ===== RESPONSIVE SUPPORT SECTION ===== */
@media (max-width: 768px) {
    .support-grid {
        grid-template-columns: 1fr;
    }

    .powerbi-iframe-wrapper {
        height: 400px;
    }

    .terminal-body {
        font-size: 0.85rem;
        padding: 16px;
    }

    .terminal-stat {
        flex-direction: column;
        gap: 4px;
    }

    .crypto-address-box {
        flex-direction: column;
        align-items: stretch;
    }

    .crypto-address-box code {
        font-size: 0.75rem;
    }

    .copy-btn {
        width: 100%;
        justify-content: center;
    }
}