/* Marina Demo Kullanım Kılavuzu */
:root {
    --navy: #0c2340;
    --gold: #c9a227;
    --text: #1e293b;
    --muted: #64748b;
    --bg: #f4f7fb;
    --card: #ffffff;
    --line: #e2e8f0;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
}
a { color: #1d4ed8; }
.klavuz-header {
    background: linear-gradient(135deg, var(--navy) 0%, #163a66 100%);
    color: #fff;
    padding: 2.5rem 1.5rem 2rem;
    text-align: center;
    border-bottom: 4px solid var(--gold);
}
.klavuz-header .brand { font-size: .95rem; letter-spacing: .12em; text-transform: uppercase; opacity: .9; }
.klavuz-header h1 { margin: .75rem 0 .35rem; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.klavuz-header p { margin: 0; opacity: .85; max-width: 720px; margin-inline: auto; }
.klavuz-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem;
}
.klavuz-nav {
    position: sticky;
    top: 1rem;
    align-self: start;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1rem;
    max-height: calc(100vh - 2rem);
    overflow: auto;
}
.klavuz-nav h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .75rem; }
.klavuz-nav a {
    display: block;
    padding: .35rem .5rem;
    border-radius: 6px;
    color: var(--text);
    text-decoration: none;
    font-size: .92rem;
}
.klavuz-nav a:hover { background: #eef4ff; color: #1d4ed8; }
.klavuz-nav .sub { padding-left: .85rem; font-size: .86rem; color: var(--muted); }
.klavuz-main section {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.25rem;
}
.klavuz-main h2 {
    margin-top: 0;
    color: var(--navy);
    border-bottom: 2px solid var(--gold);
    padding-bottom: .5rem;
    font-size: 1.35rem;
}
.klavuz-main h3 { color: #163a66; margin-top: 1.25rem; font-size: 1.05rem; }
.klavuz-main ol, .klavuz-main ul { padding-left: 1.25rem; }
.klavuz-main li { margin-bottom: .35rem; }
.klavuz-tip {
    background: #eff6ff;
    border-left: 4px solid #3b82f6;
    padding: .85rem 1rem;
    border-radius: 0 8px 8px 0;
    margin: 1rem 0;
    font-size: .95rem;
}
.klavuz-warn {
    background: #fff7ed;
    border-left: 4px solid #f97316;
    padding: .85rem 1rem;
    border-radius: 0 8px 8px 0;
    margin: 1rem 0;
}
figure.klavuz-shot {
    margin: 1.25rem 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}
figure.klavuz-shot img {
    display: block;
    width: 100%;
    height: auto;
}
figure.klavuz-shot figcaption {
    padding: .65rem .85rem;
    font-size: .85rem;
    color: var(--muted);
    background: #f8fafc;
    border-top: 1px solid var(--line);
}
.klavuz-table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 1rem 0; }
.klavuz-table th, .klavuz-table td { border: 1px solid var(--line); padding: .55rem .65rem; text-align: left; }
.klavuz-table th { background: #f1f5f9; }
.klavuz-footer {
    background: var(--navy);
    color: #fff;
    text-align: center;
    padding: 1.75rem 1rem;
    margin-top: 1rem;
}
.klavuz-footer a { color: var(--gold); text-decoration: none; }
.klavuz-footer a:hover { text-decoration: underline; }
@media (max-width: 960px) {
    .klavuz-layout { grid-template-columns: 1fr; }
    .klavuz-nav { position: static; max-height: none; }
}