/**
 * ResaVista - Site Vitrine
 * Design moderne et conversion-oriented
 */

/* Variables - Charte ResaVista */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-bg: #eef2ff;
    --secondary: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
}

.btn-ghost:hover {
    background: var(--bg-alt);
}

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

.btn-white:hover {
    background: var(--bg-alt);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.15rem;
    border-radius: var(--radius-lg);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar-link {
    font-weight: 500;
    color: var(--text-light);
    transition: color 0.2s;
}

.navbar-link:hover, .navbar-link.active {
    color: var(--primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.navbar-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--text);
}

@media (max-width: 968px) {
    .navbar-menu, .navbar-actions { display: none; }
    .navbar-toggle { display: block; }
    .navbar-menu.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        gap: 0.5rem;
    }
    .navbar-menu.open .navbar-link {
        padding: 0.75rem 1rem;
        border-radius: var(--radius);
    }
    .navbar-menu.open .navbar-link:hover {
        background: var(--bg-alt);
    }
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(180deg, var(--primary-bg) 0%, var(--bg) 100%);
    text-align: center;
    overflow: hidden;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.hero-badge span {
    color: var(--primary);
    font-weight: 600;
}

.hero h1 {
    max-width: 900px;
    margin: 0 auto 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hero-trust-logos {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    opacity: 0.6;
}

.hero-image {
    max-width: 1100px;
    margin: 4rem auto 0;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    overflow: hidden;
    background: var(--bg-alt);
}

.hero-image-placeholder {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #dbeafe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 500;
}

/* Section */
.section {
    padding: 6rem 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-dark {
    background: var(--bg-dark);
    color: white;
}

.section-dark h2, .section-dark h3, .section-dark h4 {
    color: white;
}

.section-dark .text-muted {
    color: var(--text-muted);
}

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

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-top: 1rem;
}

.section-label {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

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

@media (max-width: 968px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
    padding: 2rem;
    background: var(--bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h4 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-light);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

@media (max-width: 968px) {
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
}

.pricing-card {
    background: var(--bg);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border);
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    border-color: var(--primary-light);
}

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

.pricing-card.popular::before {
    content: 'Le plus populaire';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.pricing-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 700;
}

.pricing-price .period {
    color: var(--text-muted);
}

.pricing-billing {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}

.pricing-features li.disabled {
    color: var(--text-muted);
}

.pricing-features li.disabled::before {
    content: '×';
    color: var(--text-muted);
}

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

@media (max-width: 968px) {
    .testimonials-grid { grid-template-columns: 1fr; }
}

.testimonial-card {
    background: var(--bg);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border);
}

.testimonial-stars {
    color: var(--warning);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.testimonial-info h5 {
    font-weight: 600;
    font-size: 0.95rem;
}

.testimonial-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    color: var(--text);
    font-family: var(--font);
}

.faq-question svg {
    width: 24px;
    height: 24px;
    color: var(--text-muted);
    transition: transform 0.3s;
}

.faq-item.open .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

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

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

@media (max-width: 968px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .blog-grid { grid-template-columns: 1fr; }
}

.blog-card {
    background: var(--bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-card-image {
    aspect-ratio: 16/9;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 2rem;
}

.blog-card-content {
    padding: 1.5rem;
}

.blog-card-tag {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.blog-card h4 {
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.blog-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    transition: all 0.2s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-row {
    display: grid;
    gap: 1rem;
}

.form-row.cols-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 640px) {
    .form-row.cols-2 { grid-template-columns: 1fr; }
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: #94a3b8;
    padding: 5rem 0 2rem;
}

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

@media (max-width: 968px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.footer-social a:hover {
    background: var(--primary);
}

.footer-col h4 {
    color: white;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.footer-col a {
    display: block;
    padding: 0.375rem 0;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    font-size: 0.875rem;
}

@media (max-width: 640px) {
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-4 { margin-top: 2rem; }
.pt-0 { padding-top: 0; }

/* Page specific */
.page-header {
    padding: 8rem 0 4rem;
    background: var(--bg-alt);
    text-align: center;
}

.page-header h1 {
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Checkout */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    padding: 3rem 0;
}

@media (max-width: 968px) {
    .checkout-layout { grid-template-columns: 1fr; }
}

.checkout-summary {
    background: var(--bg-alt);
    border-radius: var(--radius-xl);
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

@media (max-width: 968px) {
    .contact-grid { grid-template-columns: 1fr; }
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-icon svg {
    width: 24px;
    height: 24px;
}