/* Variables CSS */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #12122a;
    --bg-card: #1a1a3e;
    --bg-card-hover: #222255;
    --text-primary: #f0f0ff;
    --text-secondary: #a8a8c8;
    --text-muted: #6a6a8a;
    --accent: #6464ff;
    --accent-hover: #7a7aff;
    --accent-glow: rgba(100, 100, 255, 0.3);
    --success: #64ff64;
    --warning: #ffaa44;
    --danger: #ff4466;
    --border-radius: 16px;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* ======================== HEADER ======================== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
}

.logo i { font-size: 1.6rem; }

nav {
    display: flex;
    gap: 32px;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

nav a:hover::after { width: 100%; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-lang {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-lang:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent);
}

.btn-github {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 8px 18px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-github:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ======================== HERO ======================== */
.hero {
    padding: 140px 0 80px;
    background: radial-gradient(ellipse at 30% 20%, rgba(100, 100, 255, 0.08) 0%, transparent 70%);
}

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

.hero-content .badge {
    display: inline-block;
    background: rgba(100, 100, 255, 0.15);
    color: var(--accent);
    padding: 4px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(100, 100, 255, 0.2);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--accent), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 32px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat .stat-number {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: white;
    padding: 14px 32px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 40px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-secondary);
    padding: 14px 32px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* ======================== TERMINAL ======================== */
.terminal-window {
    background: #0d0d1a;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-header .dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.terminal-header .dot.red { background: #ff5f56; }
.terminal-header .dot.yellow { background: #ffbd2e; }
.terminal-header .dot.green { background: #27c93f; }

.terminal-title {
    margin-left: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.terminal-body {
    padding: 0;
    line-height: 1;
    overflow: hidden;
}

.terminal-visual {
    position: relative;
    width: 100%;
}

.terminal-visual img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* ======================== SECTIONS ======================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

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

/* ======================== PROJECT ======================== */
.project { padding: 80px 0; }

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(100, 100, 255, 0.2);
    box-shadow: var(--shadow);
}

.project-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 40px var(--accent-glow);
}

.card-badge {
    position: absolute;
    top: -10px; right: 20px;
    background: var(--accent);
    color: white;
    padding: 4px 14px;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--accent);
}

.project-card h3 { font-size: 1.3rem; margin-bottom: 4px; }

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.feature-list { list-style: none; text-align: left; margin: 16px 0 20px; }

.feature-list li {
    padding: 4px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature-list li i {
    color: var(--success);
    margin-right: 8px;
    width: 18px;
}

/* ======================== SCREENSHOTS ======================== */
.screenshots {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 0 auto;
}

.screenshot-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.screenshot-item:hover {
    transform: scale(1.02);
    border-color: rgba(100, 100, 255, 0.2);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
    background: #0d0d1a;
}

.screenshot-label {
    display: block;
    padding: 12px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: var(--bg-card);
}

/* ======================== PRICING ======================== */
.pricing { padding: 80px 0; }

.price-table-container { overflow-x: auto; }

.price-table {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.price-table--4 {
    grid-template-columns: repeat(3, 1fr);
}

.price-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.price-card:hover {
    transform: translateY(-4px);
    border-color: rgba(100, 100, 255, 0.15);
}

.price-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 40px var(--accent-glow);
}

.price-card .card-header h3 { font-size: 1.4rem; margin-bottom: 4px; }

.price-card .price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.price-card .card-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.price-card .features {
    list-style: none;
    margin: 20px 0 24px;
    flex: 1;
}

.price-card .features li {
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-card .features li i {
    color: var(--success);
    width: 18px;
}

.btn-download, .btn-pay {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    width: 100%;
}

.btn-download {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.btn-download:hover { background: rgba(255, 255, 255, 0.12); }

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

.btn-pay:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 30px var(--accent-glow);
}

/* ======================== INSTALLATION (centré) ======================== */
.install-section {
    padding: 80px 0;
    text-align: center;
}

.install-steps {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.install-step {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 28px 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: left;
}

.install-step h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: var(--accent);
}

.install-step h3 i {
    margin-right: 8px;
}

.install-step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.code-block {
    background: #0d0d1a;
    border-radius: 10px;
    padding: 16px 20px;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.code-block code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--success);
    line-height: 1.7;
    white-space: pre;
}

/* ======================== MODAL ======================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active { display: flex; }

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    max-width: 560px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow);
    animation: modalIn 0.3s ease;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-content--wide {
    max-width: 800px;
}

.modal-content .modal-body {
    overflow-y: auto;
    flex: 1;
}

@keyframes modalIn {
    from { transform: scale(0.95) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header h2 { font-size: 1.2rem; font-weight: 600; }
.modal-header h2 i { color: var(--accent); margin-right: 8px; }

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.6rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover { color: var(--text-primary); }

.modal-body { padding: 24px; }

.modal-product-info h3 { font-size: 1.1rem; margin-bottom: 4px; }
.modal-product-info p { color: var(--text-secondary); font-size: 0.9rem; }

.form-group { margin-bottom: 14px; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: var(--font);
    resize: vertical;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.btn-pay-confirm {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    background: var(--accent);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-pay-confirm:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 30px var(--accent-glow);
}

.modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-version {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.success-message {
    text-align: center;
    padding: 20px 0;
}

.success-message i {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 12px;
}

.success-message p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ======================== FOOTER ======================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand i { font-size: 1.6rem; color: var(--accent); }
.footer-brand span { font-size: 1.2rem; font-weight: 700; }

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.link-group h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 4px 0;
    transition: var(--transition);
}

.link-group a:hover { color: var(--text-primary); }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ======================== LEGAL SECTIONS ======================== */
.legal-section {
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.legal-block {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 40px 48px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.legal-block h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.legal-block h4 {
    font-size: 1.05rem;
    color: var(--accent);
    margin: 20px 0 8px;
}

.legal-block p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 8px;
}

.legal-block ul {
    list-style: none;
    margin: 8px 0 12px 0;
}

.legal-block ul li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 3px 0 3px 16px;
    position: relative;
}

.legal-block ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.legal-block strong {
    color: var(--text-primary);
}

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-description { margin: 0 auto 32px; }
    .hero-stats { justify-content: center; }
    .hero-actions { justify-content: center; }
    .project-grid,
    .price-table,
    .price-table--4 {
        grid-template-columns: 1fr 1fr;
    }
    .screenshot-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    nav { display: none; }
    .project-grid,
    .price-table,
    .price-table--4,
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
    .footer-content { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .hero-content h1 { font-size: 2.2rem; }
    .section-header h2 { font-size: 1.8rem; }
    .legal-block { padding: 24px 20px; }
}