/* TalKittoo - Design Moderne et Professionnel Inspiré */

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

:root {
    /* Palette de couleurs moderne et vibrante */
    --primary-blue: #103D88;        /* Bleu TalKittoo */
    --primary-blue-dark: #0c2d66;   /* Bleu foncé */
    --accent-orange: #FF6600;       /* Orange vibrant */
    --accent-orange-light: #FF8533; /* Orange clair */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typographie */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation moderne */
nav {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

nav a {
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.2px;
    transition: all 0.3s ease;
    color: var(--gray-700);
    text-decoration: none;
}

nav a:hover {
    color: var(--primary-blue);
}

/* Hero Section - Design moderne avec deux colonnes */
.hero-section-fullscreen {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}

/* Formes décoratives harmonieuses - grandes courbes organiques */
.hero-section-fullscreen::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 800px;
    height: 800px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(255, 102, 0, 0.05) 100%);
    border-radius: 50% 30% 70% 40% / 60% 30% 70% 40%;
    z-index: 0;
    animation: floatShape 20s ease-in-out infinite;
}

.hero-section-fullscreen::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.08) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-radius: 40% 60% 60% 40% / 70% 30% 70% 30%;
    z-index: 0;
    animation: floatShape 25s ease-in-out infinite reverse;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

.hero-background-overlay {
    display: none; /* Supprimé pour un design plus épuré */
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(255, 102, 0, 0.05) 1px, transparent 1px);
    background-size: 50px 50px, 80px 80px;
    opacity: 0.5;
}

.hero-container-full {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content-full {
    text-align: center;
    color: var(--gray-900);
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge-animated {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: var(--white);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
    border: 1px solid var(--gray-200);
}

.badge-icon {
    font-size: 18px;
}

.hero-title-animated {
    font-size: clamp(42px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--gray-900);
    letter-spacing: -1px;
}

.title-line-1, .title-line-2 {
    display: block;
}

.title-line-2 {
    color: var(--primary-blue);
}

.hero-subtitle-animated {
    font-size: clamp(16px, 2.2vw, 20px);
    color: var(--gray-600);
    margin-bottom: 50px;
    line-height: 1.8;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary-large, .btn-secondary-large {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn-primary-large {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary-large:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary-large {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-secondary-large:hover {
    background: var(--gray-50);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--gray-500);
    font-size: 12px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-mouse {
    width: 28px;
    height: 48px;
    border: 2px solid var(--gray-400);
    border-radius: 16px;
    position: relative;
}

.scroll-wheel {
    width: 5px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 3px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 1.5s ease-in-out infinite;
}

@keyframes wheelScroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

/* Stats Section - Design moderne avec images */
.stats-section-visual {
    padding: 100px 0;
    background: var(--white);
    position: relative;
}

.stats-grid-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-card-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 320px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--gray-50);
}

.stat-card-visual:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.stat-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.stat-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    border-radius: 20px;
}

.stat-card-visual:hover .stat-image {
    transform: scale(1.1);
}

.stat-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.85) 100%);
    z-index: 1;
    border-radius: 20px;
}

.stat-content-visual {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 35px 25px;
    z-index: 2;
    color: var(--white);
    text-align: center;
}

.stat-icon-large {
    font-size: 42px;
    margin-bottom: 12px;
    display: block;
}

.stat-number-visual {
    font-size: 52px;
    font-weight: 800;
    display: inline-block;
    line-height: 1;
}

.stat-plus, .stat-percent, .stat-slash {
    font-size: 32px;
    font-weight: 600;
    margin: 0 4px;
}

.stat-label-visual {
    display: block;
    font-size: 16px;
    font-weight: 500;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    opacity: 0.95;
}

/* Languages Section - Design épuré */
.languages-section-visual {
    padding: 120px 0;
    background: var(--gray-50);
}

.section-header-visual {
    text-align: center;
    margin-bottom: 70px;
}

.section-title-visual {
    font-size: clamp(36px, 5.5vw, 56px);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-subtitle-visual {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    font-weight: 400;
}

.languages-grid-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.language-card-visual {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.language-card-visual:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
}

.language-image-wrapper {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.language-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    border-radius: 20px 20px 0 0;
}

.language-card-visual:hover .language-image {
    transform: scale(1.15);
}

.language-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(255, 102, 0, 0.2) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.language-card-visual:hover .language-overlay {
    opacity: 1;
}

.language-flag {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 42px;
    background: var(--white);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 2;
    transition: transform 0.4s ease;
}

.language-card-visual:hover .language-flag {
    transform: scale(1.15) rotate(5deg);
}

.language-content-visual {
    padding: 30px;
    text-align: center;
}

.language-name-visual {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 18px;
}

.language-link-visual {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 15px;
}

.language-link-visual:hover {
    gap: 12px;
    color: var(--accent-orange);
}

/* Features Section - Design moderne */
.features-section-visual {
    padding: 120px 0;
    background: var(--white);
}

.features-grid-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.feature-card-visual {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
}

.feature-card-visual:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
    border-color: var(--primary-blue);
}

.feature-image-wrapper-visual {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.feature-image-large {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.feature-card-visual:hover .feature-image-large {
    transform: scale(1.15);
}

.feature-overlay-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(255, 102, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card-visual:hover .feature-overlay-visual {
    opacity: 1;
}

.feature-icon-visual {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-blue);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 2;
    transition: transform 0.4s ease;
}

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

.feature-content-visual {
    padding: 35px;
}

.feature-title-visual {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.feature-text-visual {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
}

.features-cta {
    text-align: center;
}

/* Testimonials Section */
.testimonials-section-visual {
    padding: 120px 0;
    background: var(--gray-50);
}

.testimonials-grid-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card-visual {
    background: var(--white);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-blue);
    transition: all 0.4s ease;
}

.testimonial-card-visual:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.15);
    border-left-color: var(--accent-orange);
}

.testimonial-header-visual {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 20px;
}

.testimonial-avatar-visual {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--gray-200);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-info-visual {
    flex: 1;
}

.testimonial-author-visual {
    font-weight: 700;
    font-size: 18px;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.testimonial-langue-visual {
    font-size: 14px;
    color: var(--gray-500);
}

.testimonial-stars-visual {
    color: var(--accent-orange);
    font-size: 16px;
    margin-bottom: 18px;
}

.testimonial-text-visual {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    font-style: italic;
}

/* CTA Section */
.cta-section-visual {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
}

.cta-background-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.1;
}

.cta-image-visual {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.95) 0%, rgba(79, 70, 229, 0.95) 100%);
    z-index: 1;
}

.cta-content-visual {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto;
}

.cta-title-visual {
    font-size: clamp(36px, 5.5vw, 56px);
    font-weight: 800;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.cta-text-visual {
    font-size: 20px;
    margin-bottom: 45px;
    line-height: 1.8;
    opacity: 0.95;
    font-weight: 400;
}

.cta-buttons-visual {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons-visual .btn-primary-large {
    background: var(--accent-orange);
    box-shadow: 0 4px 20px rgba(255, 102, 0, 0.3);
}

.cta-buttons-visual .btn-primary-large:hover {
    background: var(--accent-orange-light);
    box-shadow: 0 8px 30px rgba(255, 102, 0, 0.4);
}

.cta-buttons-visual .btn-secondary-large {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-buttons-visual .btn-secondary-large:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Suppression des formes organiques complexes - Utilisation uniquement de formes simples */
.image-rounded {
    border-radius: 20px;
}

.image-diamond,
.image-hexagon,
.image-blob,
.image-wave,
.image-asymmetric,
.image-organic {
    border-radius: 20px; /* Toutes les images utilisent maintenant des coins arrondis simples */
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section-fullscreen {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-title-animated {
        font-size: 36px;
    }
    
    .stats-grid-visual {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .languages-grid-visual {
        grid-template-columns: 1fr;
    }
    
    .features-grid-visual {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid-visual {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-primary-large,
    .btn-secondary-large {
        width: 100%;
        justify-content: center;
    }
}

/* Animations AOS personnalisées */
[data-aos] {
    pointer-events: none;
}

.aos-animate {
    pointer-events: auto;
}