/* ==========================================================================
   EduPilote - Main Stylesheet
   ========================================================================== */

:root {
    /* Couleurs vives EduPilote */
    --orange: #E67E22;
    --yellow: #F1C40F;
    --purple: #9B59B6;
    --green: #27AE60;
    --cyan: #00BCD4;
    --red: #E74C3C;
    --pink: #E91E9A;
    --brown: #8B4513;
    
    /* Couleurs de base */
    --dark: #1a1a2e;
    --darker: #0f0f1a;
    --light: #ffffff;
    --gray: #6c757d;
    --light-gray: #f8f9fa;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --gradient-colorful: linear-gradient(90deg, var(--orange), var(--yellow), var(--green), var(--cyan), var(--purple), var(--pink));
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    background: var(--light);
    color: var(--dark);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Fredoka', sans-serif;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 5%;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-logo img {
    height: 50px;
    transition: transform 0.3s ease;
}

.nav-logo img:hover {
    transform: scale(1.05) rotate(-2deg);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-colorful);
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

.nav-cta {
    display: flex;
    gap: 1rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: 'Nunito', sans-serif;
    display: inline-block;
    text-align: center;
}

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

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

.btn-primary {
    background: var(--gradient-colorful);
    background-size: 200% auto;
    color: var(--light);
    box-shadow: 0 4px 15px rgba(231, 126, 34, 0.4);
}

.btn-primary:hover {
    background-position: right center;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 126, 34, 0.5);
}

.btn-white {
    background: var(--light);
    color: var(--dark);
    font-weight: 700;
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-ghost {
    background: transparent;
    border: 2px solid var(--light);
    color: var(--light);
}

.btn-ghost:hover {
    background: var(--light);
    color: var(--dark);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 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='0.03'%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");
    opacity: 0.5;
}

/* Floating shapes */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--orange);
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--purple);
    top: 60%;
    right: -3%;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--cyan);
    bottom: 10%;
    left: 20%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    background: var(--yellow);
    top: 30%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
    75% { transform: translate(20px, 30px) rotate(3deg); }
}

.hero-content {
    text-align: center;
    z-index: 10;
    padding: 2rem;
    max-width: 900px;
}

.hero-logo {
    width: 280px;
    margin-bottom: 2rem;
    animation: logoEntrance 1s ease-out;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

@keyframes logoEntrance {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    color: var(--light);
    margin-bottom: 1rem;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-title .highlight {
    background: var(--gradient-colorful);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.7s backwards;
}

.hero-cta .btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(39, 174, 96, 0.2);
    border: 1px solid var(--green);
    color: var(--green);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-badge::before {
    content: '✓';
    font-weight: bold;
}

/* ==========================================================================
   Stats Section
   ========================================================================== */

.stats-section {
    background: var(--light);
    padding: 4rem 5%;
    margin-top: -50px;
    position: relative;
    z-index: 20;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    background: var(--light);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Fredoka', sans-serif;
    background: var(--gradient-colorful);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--gray);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.features-section {
    padding: 6rem 5%;
    background: var(--light-gray);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.badge-free {
    background: rgba(39, 174, 96, 0.15);
    color: var(--green);
}

.badge-premium {
    background: rgba(155, 89, 182, 0.15);
    color: var(--purple);
}

.section-title {
    font-size: 2.8rem;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-title .color-orange { color: var(--orange); }
.section-title .color-green { color: var(--green); }
.section-title .color-purple { color: var(--purple); }
.section-title .color-cyan { color: var(--cyan); }

.section-desc {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.7;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--light);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-colorful);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.icon-orange { background: rgba(230, 126, 34, 0.15); }
.icon-green { background: rgba(39, 174, 96, 0.15); }
.icon-purple { background: rgba(155, 89, 182, 0.15); }
.icon-cyan { background: rgba(0, 188, 212, 0.15); }
.icon-yellow { background: rgba(241, 196, 15, 0.15); }
.icon-red { background: rgba(231, 76, 60, 0.15); }

.feature-title {
    font-size: 1.4rem;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.feature-desc {
    color: var(--gray);
    line-height: 1.7;
}

/* ==========================================================================
   Etablissements Section
   ========================================================================== */

.etablissements-section {
    padding: 6rem 5%;
    background: var(--gradient-hero);
    position: relative;
}

.etablissements-section .section-title,
.etablissements-section .section-desc {
    color: var(--light);
}

.etablissements-section .section-desc {
    opacity: 0.8;
}

.etablissements-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.etab-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
}

.etab-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.2);
}

.etab-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.etab-title {
    font-size: 1.3rem;
    color: var(--light);
    margin-bottom: 0.5rem;
}

.etab-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
    padding: 6rem 5%;
    background: var(--light);
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--gradient-colorful);
    background-size: 200% auto;
    border-radius: 30px;
    padding: 4rem 3rem;
    position: relative;
    overflow: hidden;
    animation: gradientMove 5s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.cta-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='3' cy='3' r='2'/%3E%3C/g%3E%3C/svg%3E");
}

.cta-title {
    font-size: 2.5rem;
    color: var(--light);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-desc {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-section {
    padding: 6rem 5%;
    background: var(--light-gray);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    background: rgba(230, 126, 34, 0.1);
}

.contact-text {
    font-weight: 600;
    color: var(--dark);
}

.contact-form-container {
    background: var(--light);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 0 4px rgba(230, 126, 34, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--darker);
    padding: 4rem 5% 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--orange);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: var(--light);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--orange);
}

/* ==========================================================================
   Mobile Menu
   ========================================================================== */

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--light);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--darker);
    z-index: 999;
    padding: 100px 2rem 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
}

.mobile-nav-links a {
    color: var(--light);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
}

/* ==========================================================================
   Messages
   ========================================================================== */

.messages-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    padding: 1rem 2rem;
    border-radius: 10px;
    color: var(--light);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s ease;
}

.message-success {
    background: var(--green);
}

.message-error {
    background: var(--red);
}

.message-close {
    background: none;
    border: none;
    color: var(--light);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
}

.message-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 992px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .nav-links, .nav-cta {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-logo {
        width: 200px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .stats-container {
        padding: 2rem 1rem;
    }
    
    .cta-container {
        padding: 3rem 1.5rem;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}