/* ─── LootVault Web — Dark Theme ─────────────────────────── */

:root {
    --bg0:      #0c0e14;
    --bg1:      #12151e;
    --bg2:      #1a1e2a;
    --bg3:      #222736;
    --brd:      #2a2f42;
    --t0:       #e8eaf0;
    --t1:       #b0b5c8;
    --t2:       #6b7394;
    --accent:   #6c5ce7;
    --accent2:  #7f6ff0;
    --accent-dim: rgba(108,92,231,0.12);
    --green:    #2ed573;
    --green-dim: rgba(46,213,115,0.12);
    --red:      #ff4757;
    --amber:    #ffa502;
    --font:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius:   12px;
    --max-w:    1140px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg0);
    color: var(--t1);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

a { color: var(--accent2); text-decoration: none; transition: color .15s; }
a:hover { color: var(--t0); }

img { max-width: 100%; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ─── Navbar ─────────────────────────────────────────────── */

.navbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(12,14,20,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--brd);
    padding: 0 24px;
}
.navbar-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 60px;
}
.navbar-brand {
    display: flex; align-items: center; gap: 10px;
    font-size: 18px; font-weight: 700; color: var(--t0);
}
.navbar-logo { width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--brd); box-shadow: 0 0 8px rgba(108,92,231,0.3); }
.navbar-links { display: flex; align-items: center; gap: 24px; font-size: 14px; }
.navbar-links a { color: var(--t2); font-weight: 500; transition: color .15s; }
.navbar-links a:hover, .navbar-links a.active { color: var(--t0); }

/* ─── Buttons ────────────────────────────────────────────── */

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600;
    cursor: pointer; border: none; transition: all .15s;
    text-decoration: none; font-family: var(--font);
}
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 10px; }
.btn-primary, a.btn-primary {
    background: var(--accent); color: white;
}
.btn-primary:hover, a.btn-primary:hover { background: var(--accent2); color: white; }
.btn-outline, a.btn-outline {
    background: transparent; color: var(--t1);
    border: 1px solid var(--brd);
}
.btn-outline:hover, a.btn-outline:hover { border-color: var(--accent); color: var(--t0); }
.btn-ghost { background: transparent; color: var(--t1); }
.btn-ghost:hover { background: var(--bg2); color: var(--t0); }
.btn-green { background: var(--green); color: #000; }
.btn-green:hover { filter: brightness(1.1); color: #000; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Hero ───────────────────────────────────────────────── */

.hero {
    padding: 100px 24px 80px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(108,92,231,0.12) 0%, transparent 60%);
}
.hero h1 {
    font-size: 52px; font-weight: 800; color: var(--t0);
    line-height: 1.15; margin-bottom: 20px;
    letter-spacing: -1px;
}
.hero h1 span { color: var(--accent); }
.hero p {
    font-size: 18px; color: var(--t2);
    max-width: 600px; margin: 0 auto 36px;
    line-height: 1.7;
}
.hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-badge {
    display: inline-block; margin-top: 32px;
    font-size: 12px; color: var(--t2);
    background: var(--bg2); padding: 6px 16px; border-radius: 20px;
    border: 1px solid var(--brd);
}
.hero-badge strong { color: var(--green); }

/* ─── Features ───────────────────────────────────────────── */

.features { padding: 80px 24px; }
.features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px; margin-top: 40px;
}
.feature-card {
    background: var(--bg1); border: 1px solid var(--brd);
    border-radius: var(--radius); padding: 28px;
    transition: border-color .2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-icon {
    width: 44px; height: 44px; border-radius: 10px;
    background: var(--accent-dim); display: flex;
    align-items: center; justify-content: center;
    font-size: 20px; margin-bottom: 16px;
}
.feature-card h3 { font-size: 16px; font-weight: 600; color: var(--t0); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--t2); line-height: 1.6; }

.section-title {
    font-size: 32px; font-weight: 700; color: var(--t0);
    text-align: center; margin-bottom: 8px;
}
.section-sub {
    font-size: 16px; color: var(--t2);
    text-align: center; max-width: 520px; margin: 0 auto;
}

/* ─── Pricing ────────────────────────────────────────────── */

.pricing { padding: 80px 24px; }
.pricing-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px; margin-top: 40px; align-items: start;
}
.price-card {
    background: var(--bg1); border: 1px solid var(--brd);
    border-radius: var(--radius); padding: 32px;
    position: relative; transition: border-color .2s, transform .2s;
}
.price-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.price-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 40px rgba(108,92,231,0.15);
}
.price-card.featured::before {
    content: 'Populaire';
    position: absolute; top: -12px; right: 24px;
    background: var(--accent); color: white;
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    padding: 4px 12px; border-radius: 6px;
}
.price-card h3 { font-size: 18px; font-weight: 700; color: var(--t0); margin-bottom: 4px; }
.price-amount {
    font-size: 36px; font-weight: 800; color: var(--t0);
    margin: 16px 0 4px;
}
.price-amount small { font-size: 16px; font-weight: 400; color: var(--t2); }
.price-desc { font-size: 13px; color: var(--t2); margin-bottom: 20px; }
.price-features { list-style: none; margin-bottom: 28px; }
.price-features li {
    font-size: 14px; color: var(--t1); padding: 6px 0;
    display: flex; align-items: center; gap: 10px;
}
.price-features li::before {
    content: '✓'; color: var(--green); font-weight: 700; font-size: 13px;
    flex-shrink: 0;
}

/* ─── Download ───────────────────────────────────────────── */

.download-section { padding: 80px 24px; }
.download-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px; margin-top: 40px;
}
.download-card {
    background: var(--bg1); border: 1px solid var(--brd);
    border-radius: var(--radius); padding: 32px;
    text-align: center;
}
.download-card h3 { font-size: 18px; font-weight: 600; color: var(--t0); margin-bottom: 8px; }
.download-card p { font-size: 14px; color: var(--t2); margin-bottom: 20px; }
.download-card .version {
    font-size: 12px; color: var(--t2); margin-top: 12px;
    font-family: var(--font-mono);
}

/* ─── How it works ───────────────────────────────────────── */

.steps { padding: 80px 24px; }
.steps-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px; margin-top: 40px;
}
.step-card {
    text-align: center; padding: 24px;
}
.step-num {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--accent-dim); color: var(--accent);
    font-weight: 800; font-size: 20px;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 16px; border: 2px solid var(--accent);
}
.step-card h3 { font-size: 16px; color: var(--t0); margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--t2); }

/* ─── Forms ──────────────────────────────────────────────── */

.form-page {
    padding: 60px 24px;
    display: flex; justify-content: center;
}
.form-card {
    background: var(--bg1); border: 1px solid var(--brd);
    border-radius: var(--radius); padding: 36px;
    width: 100%; max-width: 440px;
}
.form-card h2 {
    font-size: 22px; font-weight: 700; color: var(--t0);
    margin-bottom: 4px;
}
.form-card .form-sub {
    font-size: 14px; color: var(--t2); margin-bottom: 28px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block; font-size: 13px; font-weight: 500;
    color: var(--t1); margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 10px 14px;
    background: var(--bg2); border: 1px solid var(--brd);
    border-radius: 8px; color: var(--t0); font-size: 14px;
    font-family: var(--font); transition: border-color .15s;
    outline: none;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group .hint { font-size: 12px; color: var(--t2); margin-top: 4px; }
.form-footer {
    font-size: 13px; color: var(--t2); text-align: center; margin-top: 20px;
}

/* ─── Dashboard ──────────────────────────────────────────── */

.dashboard { padding: 60px 24px; }
.dashboard-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 32px;
}
.dashboard-header h2 { font-size: 24px; font-weight: 700; color: var(--t0); }
.dashboard-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px; margin-bottom: 32px;
}
.dash-card {
    background: var(--bg1); border: 1px solid var(--brd);
    border-radius: var(--radius); padding: 24px;
}
.dash-card h3 {
    font-size: 13px; font-weight: 600; color: var(--t2);
    text-transform: uppercase; letter-spacing: 0.05em;
    margin-bottom: 14px;
}
.dash-metric { font-size: 28px; font-weight: 700; color: var(--t0); }
.dash-sub { font-size: 13px; color: var(--t2); margin-top: 4px; }
.dash-info {
    display: grid; grid-template-columns: 120px 1fr;
    gap: 8px; font-size: 14px;
}
.dash-info dt { color: var(--t2); }
.dash-info dd { color: var(--t0); }

.plan-badge {
    display: inline-block; padding: 3px 10px; border-radius: 6px;
    font-size: 12px; font-weight: 600; text-transform: uppercase;
}
.plan-badge.free { background: var(--bg3); color: var(--t2); }
.plan-badge.pro { background: var(--accent-dim); color: var(--accent); }
.plan-badge.enterprise { background: var(--green-dim); color: var(--green); }

/* ─── Alerts ─────────────────────────────────────────────── */

.alert {
    padding: 12px 18px; border-radius: 8px; font-size: 14px;
    margin: 16px 0; border: 1px solid;
}
.alert-success { background: var(--green-dim); color: var(--green); border-color: rgba(46,213,115,0.2); }
.alert-error { background: rgba(255,71,87,0.1); color: var(--red); border-color: rgba(255,71,87,0.2); }
.alert-info { background: var(--accent-dim); color: var(--accent2); border-color: rgba(108,92,231,0.2); }

/* ─── CTA Banner ─────────────────────────────────────────── */

.cta-banner {
    padding: 80px 24px; text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(108,92,231,0.06) 100%);
    border-top: 1px solid var(--brd);
}
.cta-banner h2 { font-size: 28px; font-weight: 700; color: var(--t0); margin-bottom: 12px; }
.cta-banner p { font-size: 16px; color: var(--t2); margin-bottom: 28px; }

/* ─── Code blocks ────────────────────────────────────────── */

.code-block {
    background: var(--bg2); border: 1px solid var(--brd);
    border-radius: 8px; padding: 16px 20px;
    font-family: var(--font-mono); font-size: 13px;
    color: var(--t1); overflow-x: auto; line-height: 1.8;
    margin: 16px 0;
}

/* ─── Footer ─────────────────────────────────────────────── */

.footer {
    border-top: 1px solid var(--brd);
    padding: 60px 24px 0;
    margin-top: 40px;
}
.footer-inner {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-brand {
    display: flex; align-items: center; gap: 10px;
    font-size: 16px; font-weight: 700; color: var(--t0);
    margin-bottom: 12px;
}
.footer-logo { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--brd); box-shadow: 0 0 8px rgba(108,92,231,0.3); }
.footer-desc { font-size: 14px; color: var(--t2); line-height: 1.6; }
.footer-col h4 {
    font-size: 13px; font-weight: 600; color: var(--t0);
    text-transform: uppercase; letter-spacing: 0.04em;
    margin-bottom: 14px;
}
.footer-col a {
    display: block; font-size: 14px; color: var(--t2);
    padding: 4px 0; transition: color .15s;
}
.footer-col a:hover { color: var(--t0); }
.footer-bottom {
    text-align: center; padding: 24px 0;
    margin-top: 40px; border-top: 1px solid var(--brd);
    font-size: 13px; color: var(--t2);
}

/* ─── Backup browser ─────────────────────────────────────── */

.backup-list { display: flex; flex-direction: column; }
.backup-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; border-bottom: 1px solid var(--brd);
    transition: background .15s;
}
.backup-item:last-child { border-bottom: none; }
.backup-item:hover { background: var(--bg2); }
.backup-item-info { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.backup-item-info strong { font-size: 15px; color: var(--t0); }
.backup-item-meta { font-size: 13px; color: var(--t2); }
.backup-item-arrow { font-size: 24px; color: var(--t2); font-weight: 300; }

.file-list { display: flex; flex-direction: column; }
.file-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 0; border-bottom: 1px solid var(--bg3);
    font-size: 13px;
}
.file-item:last-child { border-bottom: none; }
.file-name { color: var(--t1); font-family: var(--font-mono); word-break: break-all; }
.file-size { color: var(--t2); white-space: nowrap; margin-left: 16px; }

.btn-danger {
    background: rgba(255,71,87,0.12); color: var(--red);
    border: 1px solid rgba(255,71,87,0.25);
}
.btn-danger:hover { background: rgba(255,71,87,0.2); color: var(--red); }

/* ─── Responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .navbar-links { gap: 14px; font-size: 13px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
    .pricing-grid, .features-grid { grid-template-columns: 1fr; }
    .dashboard-header { flex-direction: column; gap: 12px; align-items: flex-start; }
}

@media (max-width: 480px) {
    .navbar-links { display: none; } /* TODO: hamburger menu */
    .hero { padding: 60px 16px 50px; }
    .hero h1 { font-size: 26px; }
    .footer-inner { grid-template-columns: 1fr; }
}