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

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #3b82f6;
    --accent: #8b5cf6;
    --dark: #1f2937;
    --light: #f9fafb;
    --gray: #6b7280;
    --gradient: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.logo-icon {
    font-size: 2rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    transition: color 0.3s;
}

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

.cta-nav {
    background: var(--gradient);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f0fdf4 0%, #eff6ff 50%, #faf5ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

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

.hero-content {
    min-width: 0;
}

.hero-image {
    min-width: 0;
}

.badge {
    display: inline-block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 100%;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: white;
    color: var(--dark);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--dark);
    transition: all 0.3s;
}

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

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
}

.disclaimer {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 1rem;
    font-style: italic;
}

/* Hero Image */
.shoe-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shoe-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #fff 0%, #f0fdf4 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: var(--shadow);
}

.shoe-icon {
    font-size: 8rem;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.airflow-animation {
    position: absolute;
    top: 20%;
    right: 10%;
}

.air-particle {
    display: block;
    font-size: 2rem;
    color: var(--primary);
    animation: float 2s ease-in-out infinite;
    opacity: 0.6;
}

.air-particle:nth-child(2) {
    animation-delay: 0.5s;
}

.air-particle:nth-child(3) {
    animation-delay: 1s;
}

.fresh-badge {
    position: absolute;
    bottom: 10%;
    right: 0;
    background: var(--gradient);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 800;
    box-shadow: var(--shadow);
    animation: bounce 2s infinite;
}

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

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.6; }
    50% { transform: translateY(-20px) translateX(10px); opacity: 1; }
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--gray);
    font-size: 1.25rem;
}

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

.feature-card {
    background: var(--light);
    padding: 2.5rem;
    border-radius: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

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

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

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

/* Video Section - Refait from scratch */
.video-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
    color: white;
}

.video-section .section-header h2,
.video-section .section-header p {
    color: white;
}

.video-figure {
    max-width: 900px;
    margin: 0 auto;
}

.video-box {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    background: #000;
}

.video-box video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-figure figcaption {
    text-align: center;
    margin-top: 1.5rem;
    color: #9ca3af;
    font-style: italic;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fce7f3 50%, #e0e7ff 100%);
}

.tiny-disclaimer {
    font-size: 0.75rem !important;
    color: var(--gray);
    margin-top: 0.5rem;
}

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

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-card.featured {
    border: 3px solid var(--primary);
    transform: scale(1.05);
}

.testimonial-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--light);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-avatar.blurred {
    filter: blur(3px);
}

.testimonial-avatar.dog {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    font-size: 3rem;
}

.stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-content p {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.translation {
    font-size: 0.875rem;
    color: var(--primary-dark);
    font-style: normal !important;
    border-left: 3px solid var(--primary);
    padding-left: 1rem;
    margin-top: 1rem;
}

.testimonial-author strong {
    display: block;
    color: var(--dark);
    font-size: 1.125rem;
}

.testimonial-author span {
    color: var(--gray);
    font-size: 0.875rem;
}

/* Science Section */
.science {
    padding: 6rem 0;
    background: white;
}

.science-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.science-text,
.science-image {
    min-width: 0;
}

.science-text h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.science-text p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.science-list {
    list-style: none;
    margin-bottom: 2rem;
}

.science-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
    color: var(--dark);
}

.science-list strong {
    color: var(--primary);
}

.science-quote {
    background: var(--light);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary);
}

.science-quote blockquote {
    font-style: italic;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.science-quote cite {
    color: var(--gray);
    font-size: 0.875rem;
}

.lab-diagram {
    background: linear-gradient(135deg, #f0fdf4 0%, #eff6ff 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
}

.diagram-item {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.arrow {
    font-size: 2rem;
    color: var(--primary);
}

.diagram-label {
    color: var(--gray);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: var(--gradient);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.pricing {
    margin-bottom: 2rem;
}

.price-tag {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.old-price {
    font-size: 1.5rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.new-price {
    font-size: 4rem;
    font-weight: 800;
}

.price-note {
    font-size: 1rem;
    opacity: 0.8;
    font-style: italic;
}

.btn-large {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 1.25rem 3rem;
    border-radius: 50px;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    margin-bottom: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.guarantee {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.shipping {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background: var(--light);
}

.faq h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.faq-item h4 {
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.faq-item p {
    color: var(--gray);
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-logo p {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.7;
    margin-top: 0.5rem;
}

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

.footer-column h5 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
}

.tiny-text {
    font-size: 0.75rem;
    opacity: 0.5;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .shoe-showcase {
        order: -1;
    }
    
    .shoe-placeholder {
        max-width: 300px;
    }
    
    .features-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .science-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card.featured {
        transform: none;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}