/* AracımX tanıtım sayfaları (index.html, özellik sayfaları, sss, 404) — ortak stil.
   Uygulamanın kendisi /styles.css kullanır; bu dosya JS içermeyen statik sayfalar içindir. */
:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #efede8;
  --text: #1f2321;
  --muted: #5d625f;
  --line: #e3e0d9;
  --accent: #1e5a61;
  --accent-hover: #174a50;
  --accent-ink: #ffffff;
  --accent-soft: #e3eeef;
  --shadow: 0 1px 2px rgba(31, 35, 33, .05), 0 8px 24px rgba(31, 35, 33, .06);
  --radius: 12px;
  color-scheme: light dark;
}
/* Karanlık tema: sistem karanlıksa (kullanıcı aydınlık seçmediyse) ya da kullanıcı karanlık seçtiyse.
   Seçim localStorage("theme") ile uygulamayla ortaktır (/theme.js). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #151716;
    --surface: #1d201f;
    --surface-2: #232625;
    --text: #e9e7e2;
    --muted: #a3a6a2;
    --line: #2e3230;
    --accent: #72b4b9;
    --accent-hover: #8cc4c8;
    --accent-ink: #0f2a2d;
    --accent-soft: #1f3335;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #151716;
  --surface: #1d201f;
  --surface-2: #232625;
  --text: #e9e7e2;
  --muted: #a3a6a2;
  --line: #2e3230;
  --accent: #72b4b9;
  --accent-hover: #8cc4c8;
  --accent-ink: #0f2a2d;
  --accent-soft: #1f3335;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}
:root[data-theme="light"] { color-scheme: light; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.75rem, 4.2vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 2.8vw, 1.75rem); }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Üst çubuk */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.site-header .wrap { display: flex; align-items: center; gap: 16px; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.brand img { width: 32px; height: 32px; }
.site-nav { display: flex; gap: 20px; margin-left: auto; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.site-nav a:hover { color: var(--text); }
.site-header .btn { margin-left: 8px; }
@media (max-width: 720px) {
  .site-nav { display: none; }
  .site-header .btn { margin-left: auto; }
}

/* Düğmeler */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: .98rem; line-height: 1.3;
  text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-hover); color: var(--accent-ink); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }
.btn-sm { padding: 7px 14px; font-size: .92rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0 12px; }
@media (max-width: 420px) { .btn-row .btn { flex: 1 1 100%; } }

/* Bölümler */
section { padding: 56px 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 28px; }
.kicker { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }

/* Giriş (hero) */
.hero { padding: 48px 0 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 40px; align-items: center; }
.hero .lead { font-size: 1.12rem; color: var(--muted); max-width: 560px; }
.hero-note { font-size: .9rem; color: var(--muted); }
.shot { border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--surface); overflow: hidden; }
.shot img { width: 100%; }
figure { margin: 0; }
figcaption { font-size: .85rem; color: var(--muted); margin-top: 8px; }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}

/* Kartlar */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h3 { margin-bottom: 6px; }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
.card .more { display: inline-block; margin-top: 10px; font-size: .92rem; font-weight: 600; text-decoration: none; }
.card .more:hover { text-decoration: underline; }
.icon { width: 36px; height: 36px; border-radius: 9px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 12px; }
.icon svg { width: 20px; height: 20px; }

/* Kimler için */
.chips { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.chips li { background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: .95rem; }

/* Adımlar */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 16px; padding: 0; margin: 0; list-style: none; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; margin-bottom: 12px; }
.steps p { color: var(--muted); margin: 0; font-size: .95rem; }

/* SSS */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 18px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style-position: outside; }
.faq details[open] summary { border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.faq details p { color: var(--muted); }

/* Çağrı bandı */
.cta { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; text-align: center; }
.cta p { color: var(--muted); max-width: 560px; margin-left: auto; margin-right: auto; }
.cta .btn-row { justify-content: center; }

/* Makale (özellik sayfaları) */
.crumbs { font-size: .88rem; color: var(--muted); padding-top: 20px; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line); }
.crumbs a { color: var(--muted); }
.article { padding: 24px 0 56px; }
.article .lead { font-size: 1.12rem; color: var(--muted); }
.article h2 { margin-top: 1.8em; }
.article ul, .article ol { padding-left: 1.3em; }
.article li { margin-bottom: .4em; }
.article .shot { margin: 28px 0; }
.article .cta { margin-top: 40px; }
.related { margin-top: 40px; }
.related ul { list-style: none; padding: 0; display: grid; gap: 8px; }

/* Alt bilgi */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 36px 0 28px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 24px; }
.site-footer h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.site-footer a { color: var(--text); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }
.footer-bottom { margin-top: 28px; color: var(--muted); font-size: .85rem; }

/* 404 */
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 56px 0; }

/* Tema düğmesi (aydınlık / karanlık) */
.theme-toggle { display: inline-grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--text); cursor: pointer; flex-shrink: 0; }
.theme-toggle:hover { border-color: var(--muted); }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .i-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .i-moon { display: none; }
}
@media (max-width: 760px) { .site-header .theme-toggle { margin-left: auto; } }