/* Süper Analist — tanıtım sitesi (superanalist.com)
   Düz statik CSS. Uygulamadan (Next.js/Tailwind) tamamen bağımsızdır:
   müşteri kurulumlarına giden Docker imajıyla hiçbir ilişkisi yoktur. */

:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #020617;
    --muted: #475569;
    --accent: #0e7490;
    --accent-soft: #ecfeff;
    --dark: #020617;
    --dark-text: #cbd5e1;
    --radius: 16px;
    --maxw: 1060px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #020617;
        --surface: #0f172a;
        --border: #1e293b;
        --text: #f1f5f9;
        --muted: #94a3b8;
        --accent: #22d3ee;
        --accent-soft: #0b2a33;
        --dark: #0f172a;
        --dark-text: #cbd5e1;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Üst bar ─────────────────────────────────────────── */
.topbar {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
    flex-wrap: wrap;
}

.brand {
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
    color: var(--text);
    letter-spacing: -0.01em;
}

.brand span { color: var(--accent); }

.topnav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.topnav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
}

.topnav a:hover { color: var(--accent); }

/* ── Genel tipografi ─────────────────────────────────── */
main { padding: 56px 0 72px; }

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin: 0 0 20px;
}

h2 {
    font-size: 1.5rem;
    letter-spacing: -0.015em;
    margin: 48px 0 14px;
}

h3 {
    font-size: 1.05rem;
    margin: 0 0 10px;
}

p { margin: 0 0 16px; max-width: 68ch; }

.lead {
    font-size: 1.12rem;
    color: var(--muted);
    max-width: 62ch;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    margin: 0 0 14px;
}

.meta { color: var(--muted); font-size: 0.88rem; }

a { color: var(--accent); }

ul { max-width: 68ch; padding-left: 20px; }
li { margin-bottom: 8px; }

/* ── Kartlar ─────────────────────────────────────────── */
.cards {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin: 24px 0;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}

.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card h3 { color: var(--text); }

.card dl { margin: 14px 0 0; padding-top: 14px; border-top: 1px solid var(--border); }
.card dt {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--accent);
    margin-top: 10px;
}
.card dd { margin: 4px 0 0; color: var(--muted); font-size: 0.92rem; }

.panel {
    background: var(--accent-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
}

.panel p:last-child { margin-bottom: 0; }

.dark-panel {
    background: var(--dark);
    color: var(--dark-text);
    border-radius: var(--radius);
    padding: 28px;
    margin: 32px 0;
}

.dark-panel h2 { color: #ffffff; margin-top: 0; }
.dark-panel p { color: var(--dark-text); }

/* ── Butonlar ────────────────────────────────────────── */
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 0; }

.btn {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.btn-primary { background: var(--accent); color: #ffffff; }
.btn-primary:hover { opacity: 0.9; }

.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── Adım listesi ────────────────────────────────────── */
ol.steps { max-width: 68ch; padding-left: 22px; }
ol.steps li { margin-bottom: 14px; }

/* ── Alt bilgi ───────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    padding: 32px 0;
    margin-top: 64px;
}

footer .wrap {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
footer a:hover { color: var(--accent); }
footer .copy { color: var(--muted); font-size: 0.88rem; }

/* ── Küçük ekran ─────────────────────────────────────── */
@media (max-width: 640px) {
    main { padding: 36px 0 48px; }
    .topbar .wrap { min-height: 56px; padding-top: 10px; padding-bottom: 10px; }
    h2 { margin-top: 36px; }
}