/* Variables CSS - Palette moderne bleu et rouge */
:root {
    /* Mode clair par défaut */
    --primary-blue: #1e40af;
    --primary-blue-dark: #1e3a8a;
    --primary-red: #ef4444;
    --primary-red-light: #fca5a5;
    --accent-teal: #06b6d4;
    --accent-teal-dark: #0891b2;
    --dark-1: #0f172a;
    --dark-2: #1e293b;
    --dark-3: #334155;
    --light-1: #f8fafc;
    --light-2: #e2e8f0;
    --white: #ffffff;
    --gradient-blue: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --gradient-red: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
    --gradient-teal: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.2);
    --transition-smooth: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    --transition-fast: all 0.2s ease;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --border-radius-full: 9999px;
    --max-width: 1280px;

    /* Variables pour le thème sombre */
    --bg-color: var(--white);
    --text-color: var(--dark-2);
    --card-bg: var(--white);
    --header-bg: rgba(255, 255, 255, 0.95);
    --section-bg-light: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --section-bg-features: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    --footer-bg: var(--dark-1);
    --footer-text: var(--light-2);
    --overlay-color: rgba(0, 0, 0, 0.7);
    --notification-bg: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

/* Mode sombre */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --text-color: #e2e8f0;
    --card-bg: #1e293b;
    --header-bg: rgba(15, 23, 42, 0.95);
    --section-bg-light: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --section-bg-features: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --dark-1: #f8fafc;
    --dark-2: #e2e8f0;
    --dark-3: #cbd5e1;
    --light-1: #0f172a;
    --light-2: #1e293b;
    --white: #0f172a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.6);
    --footer-bg: #020617;
    --footer-text: #cbd5e1;
    --overlay-color: rgba(0, 0, 0, 0.8);
    --notification-bg: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--dark-1);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

/* Container et sections */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 3rem;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-red);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--dark-3);
    font-weight: 400;
    line-height: 1.6;
}

.highlight {
    color: var(--primary-red);
    font-weight: 700;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
    gap: 0.75rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: width 0.4s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gradient-red);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-5px);
}

.btn-icon {
    font-size: 1.2rem;
}

/* Header & Navigation moderne */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-blue);
    transition: var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    font-size: 1.5rem;
    overflow: hidden;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
    color: var(--dark-2);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-red);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--primary-blue);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-full);
    transition: var(--transition-smooth);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: rgba(30, 64, 175, 0.1);
    transform: rotate(30deg);
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(30, 64, 175, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.language-switcher:hover {
    background: rgba(30, 64, 175, 0.2);
    transform: translateY(-2px);
}

.language-flag {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.language-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
    cursor: pointer;
    z-index: 1001;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: rgba(30, 64, 175, 0.1);
}

/* Hero Section */
.hero {
    padding-top: 10rem;
    padding-bottom: 6rem;
    background: var(--section-bg-light);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 70%;
    height: 150%;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-radius: 50%;
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInLeft 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--dark-1);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-title span {
    color: var(--primary-red);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--dark-3);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-10deg);
    transition: var(--transition-smooth);
}

.hero-image-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Stats Section */
.stats {
    background: var(--bg-color);
    position: relative;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-radius: var(--border-radius-lg);
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-blue);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--dark-3);
    font-weight: 600;
}

/* Features Section */
.features {
    background: var(--section-bg-features);
}

.features-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-blue);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    opacity: 0.03;
}

.feature-card:hover .feature-icon {
    background: var(--gradient-red);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    background: var(--gradient-blue);
    color: white;
    border-radius: var(--border-radius-lg);
    font-size: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-1);
    position: relative;
    z-index: 1;
}

.feature-description {
    color: var(--dark-3);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Services Section */
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-xl);
}

.service-image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image {
    transform: scale(1.05);
}

.service-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

.service-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-title {
    font-size: 1.5rem;
    color: var(--dark-1);
    margin-bottom: 1rem;
}

.service-short-description {
    color: var(--dark-3);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex: 1;
}

.service-full-description {
    color: var(--dark-3);
    line-height: 1.6;
    animation: fadeIn 0.5s ease;
    margin-top: 1rem;
}

.service-full-description ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.service-full-description li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-full-description li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

.btn-read-more {
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    margin-top: auto;
    align-self: flex-start;
}

.btn-read-more:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-3px);
}

.btn-read-more.active {
    background: var(--primary-blue);
    color: white;
}

.btn-read-more i {
    transition: transform 0.3s ease;
}

.btn-read-more.active i {
    transform: rotate(180deg);
}

/* Team Section */
.team {
    background: var(--bg-color);
}

.team-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.team-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
}

.team-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-xl);
}

.team-image {
    height: 300px;
    width: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}



.team-card:hover .team-image {
    transform: scale(1.05);
}

.team-info {
    padding: 2rem;
    position: relative;
}

.team-name {
    font-size: 1.5rem;
    color: var(--dark-1);
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--primary-red);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.25rem 1rem;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--border-radius-full);
}

/* Tutors Section */
.tutors {
    background: var(--section-bg-features);
}

.tutors-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.tutor-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.tutor-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.tutor-image {
    height: 100%;
    min-height: 300px;
    object-fit: cover;
}

.tutor-content {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tutor-subject {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tutor-title {
    font-size: 1.8rem;
    color: var(--dark-1);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.tutor-description {
    color: var(--dark-3);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex: 1;
}

/* App Section */
.app-section {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    margin-top: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.app-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(30, 64, 175, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.app-content {
    max-width: 500px;
    position: relative;
    z-index: 1;
}

.app-title {
    font-size: 2rem;
    color: var(--dark-1);
    margin-bottom: 1rem;
}

.app-description {
    color: var(--dark-3);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1.5rem 0;
}

.app-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(30, 64, 175, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    color: var(--dark-2);
}

.app-feature i {
    color: var(--primary-blue);
}

.app-download-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.app-store-btn,
.play-store-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    color: white;
    text-decoration: none;
    transition: var(--transition-smooth);
    min-width: 180px;
    box-shadow: var(--shadow-md);
}

.app-store-btn {
    background: #000;
}

.play-store-btn {
    background: #4285F4;
}

.app-store-btn:hover,
.play-store-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.app-store-btn i,
.play-store-btn i {
    font-size: 2rem;
}

.app-store-btn div,
.play-store-btn div {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.app-store-btn span,
.play-store-btn span {
    font-size: 0.8rem;
    opacity: 0.8;
}

.app-store-btn strong,
.play-store-btn strong {
    font-size: 1.2rem;
}

.app-image {
    text-align: center;
    position: relative;
    z-index: 1;
}

.app-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
}

.app-image img:hover {
    transform: scale(1.02);
}

/* CTA Section */
.cta {
    background: var(--gradient-blue);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-container {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn {
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 5rem 0 2rem;
    position: relative;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.footer-highlight {
    color: var(--primary-red);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    color: white;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--primary-red);
    transform: translateY(-5px);
}

.footer-heading {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    width: 20px;
    color: var(--primary-red);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Styles de listes modernes - CORRIGÉS */
.list-modern-1,
.list-modern-2,
.list-modern-3,
.list-modern-4,
.list-modern-5,
.list-simple-elegant,
.list-two-columns,
.list-pros-cons,
.list-footer {
    list-style: none;
    padding-left: 0;
}

/* List Modern 1 */
.list-modern-1 li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--dark-2);
}

.list-modern-1 li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 1.2rem;
    height: 1.2rem;
    background: var(--gradient-blue);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.list-modern-1 li::after {
    content: '✓';
    position: absolute;
    left: 0.35rem;
    top: 0.5rem;
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

/* List Modern 3 */
.list-modern-3 {
    counter-reset: step-counter;
}

.list-modern-3 li {
    position: relative;
    padding-left: 3.5rem;
    margin-bottom: 1.5rem;
    padding-top: 0.5rem;
    min-height: 50px;
    color: var(--dark-2);
}

.list-modern-3 li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

/* List Two Columns - CORRIGÉ */
.list-two-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.list-two-columns li {
    background: rgba(30, 64, 175, 0.05);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
    padding-left: 2.5rem;
    color: var(--dark-2);
}

.list-two-columns li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    top: 1rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--gradient-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.list-two-columns li:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: rgba(30, 64, 175, 0.1);
}

/* List Pros Cons - CORRIGÉ */
.list-pros li,
.list-cons li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1rem;
    padding: 0.8rem 1rem 0.8rem 2.5rem;
    border-radius: var(--border-radius-sm);
    color: var(--dark-2);
}

.list-pros li {
    background: rgba(46, 204, 113, 0.1);
    border-left: 4px solid #2ecc71;
}

.list-cons li {
    background: rgba(231, 76, 60, 0.1);
    border-left: 4px solid #e74c3c;
}

.list-pros li::before {
    content: '✓';
    position: absolute;
    left: 0.8rem;
    top: 0.8rem;
    color: #2ecc71;
    font-weight: bold;
    font-size: 1.2rem;
}

.list-cons li::before {
    content: '✗';
    position: absolute;
    left: 0.8rem;
    top: 0.8rem;
    color: #e74c3c;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Notification Card - CORRIGÉ ET AMÉLIORÉ */
.notification-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-color);
    backdrop-filter: blur(5px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification-overlay.active {
    opacity: 1;
    visibility: visible;
}

.notification-card {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--notification-bg);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.notification-card.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.notification-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-3);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.notification-close:hover {
    background: var(--primary-red);
    color: white;
    transform: rotate(90deg);
}

.notification-header {
    text-align: center;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.notification-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-blue);
    box-shadow: 0 10px 25px rgba(30, 64, 175, 0.3);
    animation: float 3s ease-in-out infinite;
}

.pulse-effect {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.notification-body {
    padding: 2rem;
}

.notification-countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--primary-blue);
}

.countdown-item {
    text-align: center;
    min-width: 70px;
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-red) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
    animation: countdownPulse 1s ease infinite alternate;
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--dark-3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.notification-message {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.notification-message p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--dark-2);
}

.notification-features {
    list-style: none;
    padding-left: 0;
}

.notification-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
    padding: 0.8rem 1rem;
    background: rgba(46, 204, 113, 0.1);
    border-radius: var(--border-radius-md);
    transition: transform 0.3s ease;
    color: var(--dark-2);
}

.notification-features li:hover {
    transform: translateX(10px);
    background: rgba(46, 204, 113, 0.2);
}

.notification-features li i {
    color: #2ecc71;
    font-size: 1.1rem;
}

.notification-form {
    background: linear-gradient(135deg, var(--light-2) 0%, var(--light-1) 100%);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(30, 64, 175, 0.1);
}

.form-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--primary-blue);
    border-radius: var(--border-radius-full);
    font-family: inherit;
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.notify-btn {
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-red) 0%, #f97316 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.notify-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.2);
}

.notification-success {
    display: none;
    text-align: center;
    padding: 2rem;
}

.notification-success i {
    font-size: 4rem;
    color: #2ecc71;
    margin-bottom: 1.5rem;
    animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.notification-success h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--dark-1);
}

.notification-success p {
    color: var(--dark-3);
    line-height: 1.6;
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes countdownPulse {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

@keyframes progressBar {
    0% {
        width: 0%;
    }

    100% {
        width: 100%;
    }
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
    }

    100% {
        transform: scale(1);
    }
}

/* Language specific styles */
[data-lang="fr"] {
    display: block;
}

[data-lang="en"] {
    display: none;
}

body[lang="en"] [data-lang="en"] {
    display: block;
}

body[lang="en"] [data-lang="fr"] {
    display: none;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-content {
        text-align: center;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .features-container,
    .team-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .tutors-container {
        grid-template-columns: 1fr;
    }

    .tutor-card {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }

    .app-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .app-content {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--card-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-smooth);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-actions {
        flex-direction: column;
        width: 100%;
        margin-top: 2rem;
        gap: 1rem;
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .features-container,
    .team-container {
        grid-template-columns: 1fr;
    }

    .services-container {
        grid-template-columns: 1fr;
    }

    .app-section {
        padding: 2rem;
        margin-top: 3rem;
    }

    .app-download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .app-store-btn,
    .play-store-btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }

    .notification-card {
        width: 95%;
        max-width: 400px;
    }

    .notification-countdown {
        gap: 0.5rem;
    }

    .countdown-item {
        min-width: 60px;
    }

    .countdown-number {
        font-size: 2rem;
    }

    .countdown-label {
        font-size: 0.8rem;
    }

    .form-group {
        flex-direction: column;
    }

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

    .list-two-columns {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .header-container {
        padding: 1rem 1.5rem;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .hero {
        padding-top: 8rem;
        padding-bottom: 4rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.8rem;
    }

    .hero-actions,
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

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

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-col {
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-contact p {
        justify-content: center;
    }

    .cta-title {
        font-size: 2.2rem;
    }

    .cta-description {
        font-size: 1.1rem;
    }

    .notification-header {
        padding: 2rem 1.5rem 1.5rem;
    }

    .notification-title {
        font-size: 1.8rem;
    }

    .notification-subtitle {
        font-size: 1rem;
    }

    .notification-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 400px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .feature-card,
    .service-card,
    .team-card,
    .tutor-card {
        padding: 1.5rem;
    }

    .notification-card {
        width: 98%;
        max-width: 350px;
    }

    .countdown-item {
        min-width: 50px;
    }

    .countdown-number {
        font-size: 1.5rem;
    }

    .countdown-separator {
        font-size: 1.2rem;
    }
}

/* Optimisations pour les images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Améliorations d'accessibilité */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Corrections pour le thème sombre dans les listes */
[data-theme="dark"] .list-two-columns li {
    background: rgba(30, 64, 175, 0.1);
}

[data-theme="dark"] .list-pros li {
    background: rgba(46, 204, 113, 0.15);
}

[data-theme="dark"] .list-cons li {
    background: rgba(231, 76, 60, 0.15);
}

[data-theme="dark"] .notification-form {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] .notification-message {
    background: var(--card-bg);
}

[data-theme="dark"] .email-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-blue-dark);
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-2);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue-dark);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--dark-2);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--primary-blue-dark);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}


/* ===== SUCCESS STORY SECTION ===== */
.success-story {
    background: var(--section-bg-light);
    position: relative;
    overflow: hidden;
}

.success-story::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.02) 0%, rgba(239, 68, 68, 0.02) 100%);
    z-index: 0;
}

/* Statistiques success story */
.success-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.success-stat {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.success-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-blue);
    z-index: 0;
}

.success-stat:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.success-stat:hover::before {
    width: 100%;
    opacity: 0.1;
    transition: var(--transition-smooth);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.stat-content {
    position: relative;
    z-index: 1;
}

.stat-content h3 {
    font-size: 2.5rem;
    background: var(--gradient-red);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-content p {
    color: var(--dark-3);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Galerie des témoignages */
.testimonial-gallery {
    margin-bottom: 4rem;
}

.gallery-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: var(--dark-1);
}

.screenshot-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.slider-container {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
    width: 100%;
}

.screenshot-item {
    flex: 0 0 100%;
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-2);
    min-height: 400px;
}

.screenshot-item img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    object-position: center;
    padding: 1rem;
    border-radius: var(--border-radius-lg);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.5), transparent);
    padding: 2rem 1.5rem;
    color: white;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    opacity: 1;
    transition: var(--transition-smooth);
    text-align: center;
}

.screenshot-item:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-overlay i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-red-light);
}

.screenshot-overlay p {
    font-size: 1.1rem;
    font-weight: 600;
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 10;
    pointer-events: none;
}

.slider-prev,
.slider-next {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    color: var(--primary-blue);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
    pointer-events: all;
}

.slider-prev:hover,
.slider-next:hover {
    background: var(--primary-blue);
    color: white;
    transform: scale(1.1);
}

/* Résultats académiques */
.academic-results {
    margin-bottom: 4rem;
}

.results-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: var(--dark-1);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.result-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-red);
}

.result-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.result-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    transition: var(--transition-smooth);
}

.result-card:hover .result-icon {
    transform: scale(1.1) rotate(10deg);
    background: var(--gradient-red);
}

.result-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark-1);
}

.result-card p {
    color: var(--dark-3);
    line-height: 1.6;
}

/* Section vidéo */
.promo-video {
    margin-bottom: 4rem;
}

.video-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: var(--dark-1);
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: 1.5rem;
}

.video-placeholder {
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.video-placeholder:hover {
    transform: scale(1.02);
}

.video-placeholder img,
.video-wrapper iframe {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.video-placeholder img {
    filter: blur(3px);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
    z-index: 1;
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--primary-blue);
}

.video-description {
    text-align: center;
    color: var(--dark-3);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Citation inspirante */
.success-quote {
    background: var(--gradient-blue);
    border-radius: var(--border-radius-lg);
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
}

.success-quote::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

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

.quote-icon {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: 1rem;
}

.success-quote blockquote {
    font-size: 1.8rem;
    color: white;
    line-height: 1.4;
    margin-bottom: 2rem;
    font-weight: 600;
    quotes: "«" "»" "‹" "›";
}

.success-quote blockquote::before {
    content: open-quote;
}

.success-quote blockquote::after {
    content: close-quote;
}

.quote-author {
    color: rgba(255, 255, 255, 0.9);
}

.quote-author strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.quote-author span {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Modal vidéo */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 90%;
    max-width: 1000px;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.video-modal.active .modal-content {
    transform: scale(1);
}

.modal-video {
    width: 100%;
    height: 500px;
    background: #000;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--primary-red);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 10001;
}

.modal-close:hover {
    background: var(--primary-blue);
    transform: rotate(90deg);
}

/* Responsive design pour success story */
@media (max-width: 1024px) {
    .success-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .success-quote {
        padding: 3rem 2rem;
    }

    .success-quote blockquote {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .success-stats {
        grid-template-columns: 1fr;
    }

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

    .screenshot-slider {
        max-width: 100%;
        padding: 0 1rem;
    }

    .screenshot-item {
        min-height: 350px;
    }

    .screenshot-item img {
        height: 350px;
        padding: 0.75rem;
    }

    .screenshot-overlay {
        padding: 1.5rem 1rem;
    }

    .screenshot-overlay p {
        font-size: 1rem;
    }

    .screenshot-overlay i {
        font-size: 1.2rem;
    }

    .slider-prev,
    .slider-next {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }

    .video-placeholder img,
    .video-wrapper iframe {
        height: 300px;
    }

    .modal-video {
        height: 400px;
    }

    .success-quote {
        padding: 2rem 1.5rem;
    }

    .success-quote blockquote {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .stat-content h3 {
        font-size: 2rem;
    }

    .slider-prev,
    .slider-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .play-button {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .modal-video {
        height: 300px;
    }
}