/* ===== ACCESSIBILITÉ ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== VARIABLES ===== */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-accent: #06b6d4;
    --color-dark: #0f172a;
    --color-dark-soft: #1e293b;
    --color-gray-900: #111827;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-gray-50: #f9fafb;
    --color-white: #ffffff;
    --color-success: #10b981;
    --color-highlight: #f59e0b;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-700);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

/* ===== CONTAINER ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

.btn-nav {
    padding: 8px 20px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.btn-nav:hover {
    background: var(--color-primary-dark);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: var(--color-primary-light);
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a4e 50%, var(--color-dark-soft) 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 50px;
    color: var(--color-primary-light);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 28px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.highlight {
    background: linear-gradient(135deg, var(--color-highlight), #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 36px;
}

.price-amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-white);
    line-height: 1;
}

.price-period {
    font-size: 1.5rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
}

.price-detail {
    font-size: 1rem;
    color: var(--color-highlight);
    font-weight: 600;
    margin-left: 12px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    justify-content: center;
    gap: 36px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.trust-icon {
    font-size: 1.1rem;
}

/* ===== SECTIONS COMMON ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-gray-600);
}

/* ===== PROBLEM SECTION ===== */
.problem-section {
    padding: 100px 0;
    background: var(--color-gray-50);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.problem-text h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.problem-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
    color: var(--color-gray-600);
}

.problem-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: var(--color-white);
    padding: 28px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 6px;
    border-left: 4px solid var(--color-primary);
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-gray-600);
}

/* ===== ADVANTAGES ===== */
.advantages-section {
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.advantage-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all 0.3s ease;
}

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

.advantage-icon {
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.advantage-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 12px;
}

.advantage-card > p {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: 16px;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.advantage-list li {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    padding-left: 20px;
    position: relative;
}

.advantage-list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

/* ===== PRICING ===== */
.pricing-section {
    padding: 100px 0;
    background: var(--color-gray-50);
}

.pricing-card-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.pricing-header {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a4e 100%);
    padding: 40px;
    text-align: center;
    color: var(--color-white);
}

.pricing-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.3);
    border: 1px solid rgba(37, 99, 235, 0.5);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.pricing-amount {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1;
}

.pricing-period {
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.7;
}

.pricing-tagline {
    margin-top: 8px;
    opacity: 0.6;
    font-size: 0.95rem;
}

.pricing-features {
    padding: 40px;
}

.feature-category {
    margin-bottom: 28px;
}

.feature-category:last-child {
    margin-bottom: 0;
}

.feature-category h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-400);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-gray-200);
}

.feature-category ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-category li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--color-gray-700);
}

.check {
    color: var(--color-success);
    font-weight: 700;
    font-size: 1.1rem;
}

.cross {
    color: #ef4444;
    font-weight: 700;
    font-size: 1.1rem;
}

.pricing-card > .btn {
    margin: 0 40px 40px;
    width: calc(100% - 80px);
}

/* ===== COMPARISON ===== */
.comparison-section {
    padding: 100px 0;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.comparison-table thead th {
    background: var(--color-dark);
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.95rem;
    white-space: nowrap;
}

.comparison-table thead th:first-child {
    border-radius: var(--radius-lg) 0 0 0;
}

.comparison-table thead th:last-child {
    border-radius: 0 var(--radius-lg) 0 0;
}

.comparison-table tbody td:first-child {
    font-weight: 600;
    color: var(--color-gray-900);
}

.highlight-col {
    background: rgba(37, 99, 235, 0.05);
}

.comparison-table thead .highlight-col {
    background: var(--color-primary);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background: var(--color-gray-50);
}

.comparison-table tbody tr:hover .highlight-col {
    background: rgba(37, 99, 235, 0.08);
}

/* ===== PROCESS ===== */
.process-section {
    padding: 100px 0;
    background: var(--color-gray-50);
}

.process-grid {
    display: flex;
    align-items: flex-start;
    gap: 0;
    justify-content: center;
}

.process-step {
    flex: 1;
    max-width: 260px;
    text-align: center;
    padding: 0 16px;
}

.step-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 16px;
}

.process-step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 10px;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.process-connector {
    width: 40px;
    height: 2px;
    background: var(--color-gray-300);
    margin-top: 30px;
    flex-shrink: 0;
}

/* ===== FAQ ===== */
.faq-section {
    padding: 100px 0;
}

.faq-list {
    max-width: 750px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-gray-900);
    text-align: left;
    gap: 16px;
    transition: color 0.2s;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-gray-400);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 20px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a4e 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
}

.cta-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.cta-amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-highlight);
}

.cta-detail {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== CONTACT ===== */
.contact-section {
    padding: 100px 0;
    background: var(--color-gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-gray-900);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-notice {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--color-gray-400);
    text-align: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.info-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 6px;
}

.info-card p {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    line-height: 1.5;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    padding: 60px 0 0;
    color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    margin-top: 12px;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .problem-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background: var(--color-dark);
        padding: 80px 32px 32px;
        gap: 20px;
        transition: right 0.3s ease;
        box-shadow: var(--shadow-xl);
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-price {
        flex-wrap: wrap;
        justify-content: center;
    }

    .process-grid {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        width: 2px;
        height: 24px;
        margin: 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .table-wrapper {
        margin: 0 -24px;
        border-radius: 0;
    }

    .comparison-table {
        font-size: 0.8rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px 12px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Form success state */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: 12px;
}

.form-success p {
    color: var(--color-gray-600);
}

/* Form error state */
.form-error {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #dc2626;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.9rem;
    margin-bottom: 12px;
}