/* styles.css - Styles pour le site Kambba Educ */

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

:root {
    --primary-red: #E74C3C;
    --primary-blue: #3498DB;
    --dark: #2C3E50;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --text-gray: #7F8C8D;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-weight: 900;
    font-size: 28px;
    cursor: pointer;
}

.logo .kambba {
    color: var(--primary-red);
    letter-spacing: 2px;
}

.logo .educ {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 22px;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    background: var(--primary-blue);
    color: white;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(52, 152, 219, 0.4);
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.burger div {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: all 0.3s ease;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
    text-align: center;
}

.hero-logo {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.hero-title {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.hero-title .kambba {
    font-size: 64px;
    font-weight: 900;
    color: var(--primary-red);
    letter-spacing: 3px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-title .educ {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 1px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    display: inline-block;
    background: rgba(52, 152, 219, 0.15);
    border: 1px solid rgba(52, 152, 219, 0.3);
    color: var(--primary-blue);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 40px;
}

.hero-description h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark);
}

.hero-description p {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

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

.btn {
    padding: 16px 40px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(52, 152, 219, 0.4);
}

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

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

/* Features Section */
#features {
    padding: 100px 40px;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* Pricing Section */
#pricing {
    padding: 100px 40px;
    background: var(--light-gray);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card.popular {
    border-color: var(--primary-red);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--primary-red);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}

.pricing-header h3 {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 10px;
}

.pricing-card.standard .pricing-header h3 {
    color: var(--primary-blue);
}

.pricing-card.premium .pricing-header h3 {
    color: var(--primary-red);
}

.pricing-card.custom .pricing-header h3 {
    color: var(--dark);
}

.pricing-price {
    font-size: 36px;
    font-weight: 900;
    margin: 20px 0;
}

.pricing-price span {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.pricing-features li::before {
    content: '✓';
    color: var(--primary-blue);
    font-weight: 900;
    font-size: 18px;
}

.pricing-card.premium .pricing-features li::before {
    color: var(--primary-red);
}

.pricing-btn {
    width: 100%;
    padding: 15px;
    border-radius: 10px;
    border: 2px solid var(--primary-blue);
    background: white;
    color: var(--primary-blue);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.pricing-card.popular .pricing-btn {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: white;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

/* Contact Section */
#contact {
    padding: 100px 40px;
    background: white;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 30px;
    color: var(--dark);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark);
}

.contact-details p {
    color: var(--text-gray);
}

.contact-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 25px rgba(52, 152, 219, 0.4);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 60px 40px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 80px;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 40px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
    }

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

    .burger {
        display: flex;
    }

    .hero-title .kambba {
        font-size: 48px;
    }

    .hero-title .educ {
        font-size: 36px;
    }

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

    .pricing-card.popular {
        transform: scale(1);
    }
}

@media (max-width: 600px) {
    .hero-title {
        flex-direction: column;
        gap: 5px;
    }

    .hero-description h2 {
        font-size: 28px;
    }

    .section-header h2 {
        font-size: 32px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}