/* ══════════════════════════════════════════
   DomainShop — Design System
   ══════════════════════════════════════════ */

:root {
    /* Palette */
    --ink: #0a0a0b;
    --ink-light: #3a3a42;
    --ink-muted: #6e6e7a;
    --surface: #f6f5f1;
    --surface-raised: #ffffff;
    --surface-sunken: #edece8;
    --accent: #1a5cff;
    --accent-hover: #0044dd;
    --accent-soft: #e8efff;
    --success: #0d9f6e;
    --success-soft: #e6f9f1;
    --border: #e2e1dd;
    --border-strong: #c8c7c3;
    
    /* Typography */
    --font-display: 'Space Mono', monospace;
    --font-body: 'Instrument Sans', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--surface);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
input, button { font-family: inherit; }

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ══════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════ */
.site-header {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}
.logo-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}
.header-tagline {
    font-size: 0.85rem;
    color: var(--ink-muted);
}
.back-link {
    font-size: 0.9rem;
    color: var(--ink-muted);
    transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

/* ══════════════════════════════════════════
   HERO — Page d'accueil
   ══════════════════════════════════════════ */
.hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -40%; left: -20%;
    width: 140%; height: 180%;
    background: radial-gradient(ellipse at 30% 20%, var(--accent-soft) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, #f0e6ff 0%, transparent 40%);
    opacity: 0.6;
    z-index: 0;
    pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
}
.hero-accent {
    color: var(--accent);
    position: relative;
}
.hero-sub {
    font-size: 1.2rem;
    color: var(--ink-light);
    max-width: 500px;
    margin: 0 auto var(--space-2xl);
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ink);
}
.stat-label {
    font-size: 0.85rem;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════
   FILTER BAR
   ══════════════════════════════════════════ */
.filter-bar {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}
.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: 100px;
    background: var(--surface-raised);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink-light);
    cursor: pointer;
    transition: all 0.2s;
}
.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.filter-btn.active {
    background: var(--ink);
    color: white;
    border-color: var(--ink);
}

/* ══════════════════════════════════════════
   DOMAIN CARDS — Listing
   ══════════════════════════════════════════ */
.domains-listing {
    padding: var(--space-2xl) 0 var(--space-3xl);
}
.domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-lg);
}
.domain-card {
    display: flex;
    flex-direction: column;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.domain-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--accent), #7c3aed);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.domain-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(26, 92, 255, 0.08),
                0 4px 12px rgba(0, 0, 0, 0.04);
}
.domain-card:hover::before { transform: scaleX(1); }

.card-tld {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}
.card-domain {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}
.card-headline {
    color: var(--ink-light);
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}
.card-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}
.tag {
    padding: 3px 10px;
    background: var(--surface-sunken);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--ink-muted);
    font-weight: 500;
}
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}
.card-price {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
}
.card-cta {
    font-weight: 600;
    color: var(--accent);
    font-size: 0.9rem;
    transition: transform 0.2s;
}
.domain-card:hover .card-cta { transform: translateX(4px); }

/* ══════════════════════════════════════════
   DOMAIN PAGE — Page de vente
   ══════════════════════════════════════════ */
.domain-hero {
    padding: var(--space-3xl) 0 var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.domain-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--accent-soft) 0%, transparent 60%);
    opacity: 0.5;
    pointer-events: none;
}
.domain-hero-content { position: relative; z-index: 1; }

.domain-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-lg);
}
.domain-name-big {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}
.domain-headline {
    font-size: 1.25rem;
    color: var(--ink-light);
    max-width: 550px;
    margin: 0 auto;
}

/* ── Details Grid ── */
.domain-details {
    padding: var(--space-xl) 0 var(--space-3xl);
}
.details-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-2xl);
    align-items: start;
}

/* ── Main Content ── */
.detail-block {
    margin-bottom: var(--space-2xl);
}
.detail-block h2 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}
.detail-block p {
    color: var(--ink-light);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Highlights */
.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
    color: var(--ink-light);
}
.highlight-icon {
    color: var(--accent);
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 3px;
}

/* Steps */
.steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.step {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}
.step-num {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--ink);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.step-content h3 {
    font-weight: 600;
    margin-bottom: 4px;
}
.step-content p {
    font-size: 0.95rem;
    color: var(--ink-muted);
}

/* Trust */
.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}
.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--surface-sunken);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
}
.trust-icon { font-size: 1.2rem; }

/* ── Buy Card (Sidebar) ── */
.buy-card {
    position: sticky;
    top: var(--space-lg);
    background: var(--surface-raised);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}
.buy-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}
.buy-domain {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
}
.buy-status {
    padding: 3px 10px;
    background: var(--success-soft);
    color: var(--success);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}
.buy-price-block {
    text-align: center;
    margin-bottom: var(--space-xl);
}
.buy-price {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}
.buy-price-note {
    font-size: 0.85rem;
    color: var(--ink-muted);
}
.buy-form { margin-bottom: var(--space-md); }
.form-group {
    margin-bottom: var(--space-md);
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink-light);
}
.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--surface);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}
.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-group input::placeholder { color: var(--border-strong); }

.btn-buy {
    width: 100%;
    padding: 16px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
.btn-buy:hover { background: var(--accent-hover); }
.btn-buy:active { transform: scale(0.98); }
.btn-buy:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.buy-secure {
    text-align: center;
    font-size: 0.8rem;
    color: var(--ink-muted);
}

/* ══════════════════════════════════════════
   SUCCESS PAGE
   ══════════════════════════════════════════ */
.success-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl);
}
.success-content {
    max-width: 500px;
}
.success-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}
.success-content h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--space-md);
}
.success-content p {
    color: var(--ink-light);
    font-size: 1.05rem;
    margin-bottom: var(--space-lg);
}
.success-steps {
    text-align: left;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}
.success-steps h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}
.success-steps li {
    padding: var(--space-sm) 0;
    color: var(--ink-light);
    font-size: 0.95rem;
}
.btn-home {
    display: inline-block;
    padding: 12px 32px;
    background: var(--ink);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: opacity 0.2s;
}
.btn-home:hover { opacity: 0.85; }

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.site-footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--ink-muted);
    font-size: 0.85rem;
}

/* ══════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.domain-card {
    animation: fadeUp 0.5s ease both;
}
.domain-card:nth-child(1) { animation-delay: 0.05s; }
.domain-card:nth-child(2) { animation-delay: 0.1s; }
.domain-card:nth-child(3) { animation-delay: 0.15s; }
.domain-card:nth-child(4) { animation-delay: 0.2s; }
.domain-card:nth-child(5) { animation-delay: 0.25s; }
.domain-card:nth-child(6) { animation-delay: 0.3s; }

.hero-title { animation: fadeUp 0.6s ease both; }
.hero-sub { animation: fadeUp 0.6s ease both 0.1s; }
.hero-stats { animation: fadeUp 0.6s ease both 0.2s; }

.domain-name-big { animation: fadeUp 0.5s ease both; }
.domain-headline { animation: fadeUp 0.5s ease both 0.1s; }
.buy-card { animation: fadeUp 0.5s ease both 0.2s; }

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 900px) {
    .details-grid {
        grid-template-columns: 1fr;
    }
    .buy-card {
        position: static;
        order: -1;
    }
}
@media (max-width: 600px) {
    .domains-grid {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        gap: var(--space-lg);
    }
    .trust-grid {
        grid-template-columns: 1fr;
    }
    .site-header .container {
        flex-direction: column;
        gap: var(--space-sm);
    }
}