/* ==========================================================
   Nöbetle — tanıtım sitesi (nobetle.com). Uygulama /app/ altında, kendi stiliyle.
   ========================================================== */
:root {
    --bg: #ffffff;
    --bg-2: #f6f7f9;
    --surface: #ffffff;
    --line: #e5e8ee;
    --ink: #0f172a;
    --ink-2: #334155;
    --muted: #64748b;
    --brand: #b91c1c;
    --brand-hover: #991b1b;
    --brand-soft: #fef2f2;
    --sorumlu: #4f46e5;
    --saglik: #0d9488;
    --surucu: #d97706;
    --ok: #16a34a;
    --shadow: 0 24px 60px -24px rgba(15, 23, 42, .28), 0 2px 6px rgba(15, 23, 42, .06);
    --radius: 14px;
    --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1120;
        --bg-2: #111a2e;
        --surface: #141e33;
        --line: #24304a;
        --ink: #e8edf5;
        --ink-2: #c3cddc;
        --muted: #8b98ad;
        --brand: #ef4444;
        --brand-hover: #f87171;
        --brand-soft: #2a1418;
        --shadow: 0 24px 60px -24px rgba(0, 0, 0, .6), 0 2px 6px rgba(0, 0, 0, .3);
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font: 16px/1.6 var(--font);
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); }
img { max-width: 100%; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Üst çubuk */
.nav {
    position: sticky; top: 0; z-index: 10;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
.logo img { width: 32px; height: 32px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--brand); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 12px 20px; border-radius: 10px; border: 1px solid transparent;
    font: 600 15px/1 var(--font); text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-sm { padding: 9px 14px; font-size: 14px; }
.btn[aria-disabled="true"] { opacity: .6; cursor: default; }
.g-mark { width: 18px; height: 18px; background: #fff; border-radius: 50%; padding: 2px; }

/* Giriş bölümü */
.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero .wrap > *, .privacy > * { min-width: 0; }
.eyebrow { display: inline-block; padding: 5px 12px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-size: 13px; font-weight: 600; }
h1 { font-size: clamp(32px, 5vw, 50px); line-height: 1.12; margin: 18px 0 18px; letter-spacing: -.02em; }
.lead { font-size: 18px; color: var(--ink-2); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.note { margin-top: 14px; font-size: 13px; color: var(--muted); }

/* Çizelge önizlemesi (yalnızca görsel) */
.preview { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.preview-scroll { overflow-x: auto; }
.preview-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); font-weight: 600; }
.preview-head span { font-size: 13px; color: var(--ok); font-weight: 600; }
.preview table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.preview th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; padding: 8px 14px; background: var(--bg-2); }
.preview td { padding: 8px 14px; border-top: 1px solid var(--line); white-space: nowrap; }
.preview td:first-child { color: var(--muted); width: 1%; }
.preview tr.off td { background: var(--brand-soft); }
.chip { display: inline-block; padding: 2px 9px; border-radius: 6px; font-weight: 600; font-size: 12.5px; }
.c1 { background: color-mix(in srgb, var(--sorumlu) 14%, transparent); color: var(--sorumlu); }
.c2 { background: color-mix(in srgb, var(--saglik) 14%, transparent); color: var(--saglik); }
.c3 { background: color-mix(in srgb, var(--surucu) 16%, transparent); color: var(--surucu); }

/* Bölümler */
section { padding: 72px 0; }
.alt { background: var(--bg-2); }
h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
.sub { color: var(--ink-2); margin: 0 0 40px; max-width: 40em; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 12px 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }
.ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); }
.ico svg { width: 22px; height: 22px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { padding: 22px; border-left: 3px solid var(--brand); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; }
.step::before { counter-increment: step; content: counter(step); display: block; font-weight: 700; font-size: 28px; color: var(--brand); line-height: 1; margin-bottom: 10px; }
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; }

.privacy { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-2); }
.checks li::before { content: "✓"; flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); font-weight: 700; font-size: 13px; }

.final { text-align: center; }
.final .cta { justify-content: center; }

footer { border-top: 1px solid var(--line); padding: 32px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }
footer a { color: var(--muted); }
.disclaimer { flex-basis: 100%; font-size: 13px; }

/* Yazı sayfası (gizlilik politikası) */
.doc { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; }
.doc h1 { font-size: 34px; margin: 0 0 6px; }
.doc .meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.doc h2 { font-size: 21px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--ink-2); }
.doc .box { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }

@media (max-width: 900px) {
    .hero .wrap, .privacy { grid-template-columns: 1fr; gap: 36px; }
    .grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
    .wrap { padding: 0 16px; }
    .nav-links { display: none; }
    .nav .btn { margin-left: auto; }
    .hero { padding: 44px 0 36px; }
    section { padding: 52px 0; }
    .grid, .steps { grid-template-columns: 1fr; }
    .cta .btn { width: 100%; }
    .preview td, .preview th { padding: 7px 8px; }
    .preview .chip { padding: 2px 6px; font-size: 12px; }
    .preview-head { flex-wrap: wrap; gap: 4px 12px; }
}