/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #2D133B;
    --accent-color: #21FF8B;
    --secondary-bg: #F9F5F0;
    --text-color: #2B2D42;
    --link-color: #00C9A7;
    --white: #FFFFFF;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--secondary-bg);
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 2rem); }

p {
    margin-bottom: 1rem;
    font-size: clamp(1rem, 2vw, 1.125rem);
}

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

.section {
    padding: 4rem 0;
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 0.8s ease-out forwards;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-bg) 0%, #1a0b26 100%);
    color: var(--white);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.header.scrolled {
    background-color: rgba(45, 19, 59, 0.95);
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary-bg);
}

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

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

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

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-bg) 0%, #1a0b26 100%);
    color: var(--white);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(33, 255, 139, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    margin-bottom: 1.5rem;
    animation: fadeInScale 1s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hero p {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: slideInUp 1s ease-out 0.3s forwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--primary-bg);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(33, 255, 139, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(33, 255, 139, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--link-color);
    border: 2px solid var(--link-color);
    box-shadow: none;
}

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

/* Grid Layouts */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Cards */
.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 201, 167, 0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--link-color);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), var(--link-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--white);
}

/* Form Styles */
.form {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 3px rgba(0, 201, 167, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-group label {
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--primary-bg);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary-bg);
    color: var(--white);
    padding: 1rem;
    z-index: 10000;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.5s ease;
}

.cookie-banner.show {
    opacity: 1;
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.cookie-text {
    flex: 1;
    font-size: 0.9rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

.cookie-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

.cookie-accept {
    background: var(--accent-color);
    color: var(--primary-bg);
}

.cookie-decline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--white);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}

/* Additional Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

/* Price Cards */
.price-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.price-card.featured {
    border: 2px solid var(--accent-color);
    transform: scale(1.05);
}

.price-card.featured::before {
    content: 'Populaire';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--accent-color);
    color: var(--primary-bg);
    padding: 5px 40px;
    font-size: 0.8rem;
    font-weight: bold;
    transform: rotate(45deg);
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--link-color);
    margin: 1rem 0;
}

.price-features {
    list-style: none;
    margin: 1.5rem 0;
}

.price-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.price-features li:last-child {
    border-bottom: none;
}

/* Testimonials */
.testimonial {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.testimonial-author {
    margin-top: 1rem;
    font-weight: bold;
    color: var(--link-color);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }