/* ===================================================
   VaoCloud - Feuille de style principale
   Palette inspirée du logo : du marine profond au cyan
   =================================================== */

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #0d1430;
    --bg-tertiary: #172f5f;
    --text-primary: #ffffff;
    --text-secondary: #b5d4f4;
    --text-tertiary: #85b7eb;
    --accent: #378add;
    --accent-light: #85b7eb;
    --accent-dark: #185fa5;
    --accent-deepest: #042c53;
    --border: rgba(133, 183, 235, 0.15);
    --border-strong: rgba(133, 183, 235, 0.3);
    --gradient: linear-gradient(90deg, #85b7eb 0%, #378add 50%, #042c53 100%);
    --gradient-btn: linear-gradient(90deg, #185fa5, #378add);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}
.container-narrow { max-width: 720px; }

/* ============== Boutons ============== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
    text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 15px; }

.btn-primary {
    background: var(--gradient-btn);
    color: white;
    box-shadow: 0 4px 14px rgba(55, 138, 221, 0.25);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(55, 138, 221, 0.4); }

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 0.5px solid var(--border-strong);
}
.btn-ghost:hover { background: rgba(55, 138, 221, 0.1); }

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

/* ============== Header / Nav ============== */
.site-header {
    border-bottom: 0.5px solid var(--border);
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    max-width: 1200px;
    margin: 0 auto;
}
.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-text {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.3px;
}
.logo-vao {
    background: linear-gradient(90deg, #85b7eb, #378add);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.logo-cloud { color: var(--text-primary); }

.main-nav {
    display: flex;
    gap: 28px;
    font-size: 14px;
}
.main-nav a {
    color: var(--text-secondary);
    transition: color 0.15s;
}
.main-nav a:hover { color: var(--text-primary); }

@media (max-width: 768px) {
    .main-nav { display: none; }
}

/* ============== Hero ============== */
.hero {
    padding: 80px 0 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(55, 138, 221, 0.15) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }

.hero-badge {
    display: inline-block;
    background: rgba(55, 138, 221, 0.12);
    border: 0.5px solid var(--border-strong);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    color: var(--accent-light);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 500;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

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

.hero-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto 36px;
    line-height: 1.65;
}

.hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.trust-strip {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 36px;
    margin-top: 56px;
    padding-top: 28px;
    border-top: 0.5px solid var(--border);
    font-size: 12px;
    color: var(--accent-light);
}
.trust-strip span { display: inline-flex; align-items: center; gap: 6px; }

/* ============== Sections ============== */
.section-head {
    text-align: center;
    margin-bottom: 48px;
}
.eyebrow {
    font-size: 12px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}
.section-head h1,
.section-head h2 {
    font-size: clamp(24px, 3.5vw, 32px);
    font-weight: 500;
    color: var(--text-primary);
}
.lead {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 12px;
}

/* ============== Services ============== */
.services-section {
    padding: 64px 0;
    background: var(--bg-secondary);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}
.service-card {
    background: rgba(23, 47, 95, 0.5);
    border: 0.5px solid rgba(133, 183, 235, 0.2);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    transition: transform 0.2s, border-color 0.2s;
}
.service-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
}
.service-card--premium {
    background: linear-gradient(135deg, rgba(23, 47, 95, 0.8), rgba(55, 138, 221, 0.15));
    border-color: rgba(133, 183, 235, 0.4);
}
.service-card--soon {
    background: rgba(23, 47, 95, 0.3);
    border-style: dashed;
}

.service-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-btn);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 22px;
    color: white;
}
.service-card--premium .service-icon {
    background: linear-gradient(135deg, var(--accent-deepest), var(--accent-dark));
}
.service-card--soon .service-icon {
    background: rgba(133, 183, 235, 0.1);
    color: var(--accent-light);
}
.service-card h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.service-card--soon h3 { color: var(--text-secondary); }
.service-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 999px;
    font-weight: 500;
    letter-spacing: 0.5px;
}
.badge-premium {
    background: rgba(133, 183, 235, 0.2);
    color: var(--accent-light);
}

/* ============== Why us ============== */
.why-section { padding: 72px 0; }
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
@media (max-width: 768px) {
    .why-grid { grid-template-columns: 1fr; }
}
.why-content h2 {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 500;
    margin: 12px 0 18px;
    line-height: 1.25;
    color: var(--text-primary);
}
.why-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
}

.features-list {
    list-style: none;
    display: grid;
    gap: 16px;
}
.features-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.features-list i {
    color: var(--accent);
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}
.features-list strong {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}
.features-list p {
    margin-top: 2px;
    font-size: 13px;
    color: var(--text-secondary);
}

.stats-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 32px;
}
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.stat-value {
    font-size: 36px;
    font-weight: 500;
}
.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============== CTA ============== */
.cta-section {
    padding: 64px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--accent-deepest) 0%, #0c447c 50%, var(--accent-dark) 100%);
}
.cta-inner h2 {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 500;
    margin-bottom: 14px;
    color: white;
}
.cta-inner p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

/* ============== Contact form ============== */
.contact-section {
    padding: 64px 0;
}
.contact-form {
    background: var(--bg-secondary);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    margin-top: 32px;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 24px;
}
@media (max-width: 600px) {
    .form-grid { grid-template-columns: 1fr; }
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field-full { grid-column: 1 / -1; }
.form-field label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}
.form-field input,
.form-field select,
.form-field textarea {
    background: rgba(10, 14, 39, 0.6);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(55, 138, 221, 0.15);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-error { color: #f09595; font-size: 12px; }
.form-note {
    text-align: center;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin: 16px 0;
    border: 0.5px solid;
}
.alert-success {
    background: rgba(29, 158, 117, 0.1);
    border-color: rgba(29, 158, 117, 0.3);
    color: #9fe1cb;
}
.alert-error {
    background: rgba(226, 75, 74, 0.1);
    border-color: rgba(226, 75, 74, 0.3);
    color: #f09595;
}

/* ============== Footer ============== */
.site-footer {
    padding: 48px 0 24px;
    border-top: 0.5px solid var(--border);
    background: var(--bg-secondary);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 32px;
}
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}
.footer-tagline {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 12px;
    max-width: 320px;
}
.footer-col h4 {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.footer-col ul { list-style: none; }
.footer-col li {
    font-size: 13px;
    margin-bottom: 8px;
}
.footer-col a {
    color: var(--text-secondary);
    transition: color 0.15s;
}
.footer-col a:hover { color: var(--accent-light); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    border-top: 0.5px solid var(--border);
    font-size: 12px;
    color: var(--text-tertiary);
}

/* ===== Pages légales ===== */
.legal-section { padding: 80px 0 100px; }
.legal-section .section-head { margin-bottom: 48px; }
.legal-section .section-head h1 { font-size: clamp(28px, 4vw, 42px); }
.legal-updated { font-size: 13px; color: var(--text-tertiary); margin-top: 8px; }

.legal-body { line-height: 1.8; color: var(--text-secondary); }
.legal-body h2 { font-size: 20px; font-weight: 600; color: var(--text-primary); margin: 40px 0 12px; }
.legal-body h3 { font-size: 16px; font-weight: 600; color: var(--text-primary); margin: 24px 0 8px; }
.legal-body p  { margin-bottom: 16px; }
.legal-body ul, .legal-body ol { padding-left: 24px; margin-bottom: 16px; }
.legal-body li { margin-bottom: 6px; }
.legal-body a  { color: var(--accent); text-decoration: underline; }
.legal-body strong { color: var(--text-primary); }

.footer-bottom a { color: var(--text-tertiary); text-decoration: none; transition: color 0.15s; }
.footer-bottom a:hover { color: var(--accent-light); }