/* ==========================================================================
   SecuCloud - Dark Tech Premium Stylesheet (Updated)
   ========================================================================== */

/* Variables de thèmes */
:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.75);
    --border-color: rgba(255, 255, 255, 0.1);

    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-orange: #f97316;

    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-glow: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);

    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.25);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.88);
    --border-color: rgba(0, 0, 0, 0.08);

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --gradient-glow: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

/* Reset de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

.text-center { text-align: center; }
.c-green { color: var(--accent-green); }
.c-yellow { color: #f59e0b; }
.highlight-green { color: var(--accent-green); font-weight: 700; }

.grid {
    display: grid;
    gap: 30px;
}

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

/* Glassmorphism */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.6), 0 0 15px rgba(59, 130, 246, 0.15);
}

/* Top Announcement Banner */
.top-announcement {
    background: var(--gradient-primary);
    color: #fff;
    text-align: center;
    padding: 9px 15px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.2px;
}

/* Navigation Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

[data-theme="light"] .navbar {
    background: rgba(248, 250, 252, 0.85);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: -0.5px;
}

.logo-icon {
    color: var(--accent-cyan);
    font-size: 1.6rem;
}

.logo .highlight {
    color: var(--accent-blue);
}

.flag-badge {
    font-size: 0.75rem;
    background: rgba(59, 130, 246, 0.12);
    color: var(--accent-blue);
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .icon-light { display: none; }
[data-theme="light"] .icon-dark { display: none; }

.mobile-hamburger {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
    font-size: 0.95rem;
}

.btn-sm { padding: 8px 18px; font-size: 0.88rem; }
.btn-lg { padding: 15px 32px; font-size: 1.05rem; }

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.55);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline:hover {
    background: rgba(59, 130, 246, 0.12);
    transform: translateY(-2px);
}

.btn-glass {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.full-width { width: 100%; }

/* Hero Section */
.hero {
    position: relative;
    padding: 90px 0 70px 0;
}

.hero-bg-glow {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 650px;
    height: 650px;
    background: var(--gradient-glow);
    z-index: -1;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(6, 182, 212, 0.12);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.3);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 22px;
}

.hero h1 {
    font-size: 3.1rem;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

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

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 35px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 1rem;
}

.highlight-item i {
    color: var(--accent-green);
    font-size: 1.1rem;
}

.hero-actions {
    display: flex;
    gap: 15px;
}

/* Visual Server Console */
.server-card {
    padding: 28px;
}

.server-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.server-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.php-badge {
    background: #4f5b93;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

.server-metrics {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 22px;
}

.metric {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.metric-label {
    color: var(--text-secondary);
}

.console-box {
    background: rgba(0, 0, 0, 0.45);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: 'Fira Code', monospace, sans-serif;
    font-size: 0.83rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    line-height: 1.8;
}

/* Section Arguments */
.arguments-section {
    padding: 60px 0;
}

.arg-card {
    padding: 32px 28px;
}

.arg-icon {
    font-size: 2.2rem;
    color: var(--accent-cyan);
    margin-bottom: 18px;
}

.arg-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.arg-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.highlight-card {
    border-color: rgba(16, 185, 129, 0.35);
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, var(--bg-card) 100%);
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0;
}

.pricing-grid {
    align-items: stretch;
}

.section-title {
    margin-bottom: 50px;
}

.section-title .subtitle {
    color: var(--accent-blue);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.5px;
}

.section-title h2 {
    font-size: 2.3rem;
    margin: 8px 0 12px 0;
    font-weight: 800;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.popular-badge,
.moodle-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 16px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.popular-badge { background: var(--gradient-primary); }
.moodle-badge { background: linear-gradient(135deg, #f97316 0%, #ea580c 100%); }

.pricing-card {
    padding: 38px 28px;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.popular {
    border-color: var(--accent-blue);
    box-shadow: 0 10px 35px -5px rgba(59, 130, 246, 0.25);
}

.pricing-card.moodle-card {
    border-color: rgba(249, 115, 22, 0.4);
}

.pricing-card.moodle-card:hover {
    border-color: rgba(249, 115, 22, 0.7);
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.6), 0 0 15px rgba(249, 115, 22, 0.2);
}

.pricing-card .card-header {
    display: flex;
    flex-direction: column;
    min-height: 85px;
}

.card-header h3 {
    font-size: 1.45rem;
    font-weight: 700;
}

.card-header p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-top: 6px;
    line-height: 1.5;
}

.pricing-card .price {
    height: 55px;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 15px 0;
}

.price .amount {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.price .period {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.pricing-card .price .sur-devis {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.card-features {
    margin: 15px 0 25px 0;
    flex-grow: 1;
}

.card-features ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.card-features li {
    font-size: 0.92rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-primary);
    line-height: 1.4;
}

.card-features li i {
    margin-top: 3px;
    font-size: 0.95rem;
}

.card-footer {
    margin-top: auto;
}

/* Infra Section */
.infra-section {
    padding: 80px 0;
}

.infra-list {
    margin-top: 35px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.infra-item {
    display: flex;
    gap: 18px;
}

.icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.infra-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.infra-item p {
    color: var(--text-secondary);
    font-size: 0.93rem;
}

.map-card {
    padding: 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.map-badge {
    background: var(--gradient-primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.88rem;
    align-self: flex-start;
}

.datacenter-stats {
    display: flex;
    gap: 30px;
    margin: 28px 0;
}

.dc-stat .num {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent-cyan);
}

.dc-stat .lbl {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.server-rack-visual {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rack-unit {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
    font-weight: 500;
}

.highlight-unit {
    border-color: rgba(16, 185, 129, 0.5);
    color: var(--accent-green);
    background: rgba(16, 185, 129, 0.08);
}

/* Formulaire Devis & Calculateur */
.devis-section {
    padding: 80px 0;
}

.devis-card {
    padding: 50px;
}

.devis-form {
    margin-top: 35px;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.92rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea {
    background: #ffffff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Widget d'estimation de prix dynamique */
.price-estimation-box {
    background: rgba(59, 130, 246, 0.08);
    border: 1px dashed var(--accent-blue);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.estimation-label {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.estimation-amount {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-green);
}

.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #ef4444;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 65px 0 25px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 45px;
    margin-bottom: 45px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin: 16px 0;
    font-size: 0.93rem;
    line-height: 1.6;
}

.backup-guarantee-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-green);
    background: rgba(16, 185, 129, 0.1);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.footer-links h4 {
    margin-bottom: 18px;
    font-size: 1.02rem;
    font-weight: 700;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 25px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .price-estimation-box {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (max-width: 768px) {
    .mobile-hamburger {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        transition: 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.3rem;
    }

    .devis-card {
        padding: 28px;
    }
}