/* AKIL AI web sitesi. Renkler uygulama simgesinden: gece laciverti, camgöbeği ve mavi neon. */
:root {
  --bg: #0d1230;
  --surface: #141a3d;
  --surface-2: #1a2150;
  --line: #262e63;
  --text: #e9edff;
  --muted: #a7b0d8;
  --link: #7fe6ff;
  --link-hover: #b8f1ff;
  --accent: #3a62ff;
  --focus: #7fe6ff;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7ff;
    --surface: #ffffff;
    --surface-2: #eef2ff;
    --line: #dce2f5;
    --text: #101633;
    --muted: #4b5579;
    --link: #1c3fcc;
    --link-hover: #142e99;
    --accent: #1c98e6;
    --focus: #1c3fcc;
    color-scheme: light;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--link);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--link-hover);
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.kap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---- Üst bar ---- */
.ust {
  border-bottom: 1px solid var(--line);
}

.ust .kap {
  display: flex;
  align-items: center;
  min-height: 60px;
}

.marka {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.marka:hover {
  color: var(--text);
}

.marka img {
  width: 34px;
  height: 34px;
  display: block;
}

/* ---- İçerik ---- */
main {
  flex: 1;
  padding: 28px 0 56px;
}

h1 {
  font-size: 1.85rem;
  line-height: 1.25;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.2rem;
  line-height: 1.35;
  margin: 2.2em 0 0.5em;
  padding-top: 1.2em;
  border-top: 1px solid var(--line);
}

h2:first-of-type {
  border-top: 0;
  padding-top: 0;
}

p,
ul,
ol {
  margin: 0 0 1em;
}

ul,
ol {
  padding-left: 1.3em;
}

li {
  margin: 0.45em 0;
}

li::marker {
  color: var(--accent);
}

strong {
  font-weight: 650;
}

.tarih {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.6em;
}

.ozet {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px 6px;
  margin: 0 0 2em;
}

.ozet-baslik {
  font-weight: 700;
  margin: 0 0 4px;
}

.ozet ul {
  margin-bottom: 0.6em;
}

.bilgi {
  color: var(--muted);
}

/* ---- Ana sayfa ---- */
.giris {
  text-align: center;
  padding: 36px 0 12px;
}

.giris picture img {
  width: 132px;
  height: 132px;
  display: block;
  margin: 0 auto 10px;
}

.giris h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.giris .tanitim {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 34ch;
  margin: 0 auto 28px;
}

.kartlar {
  display: grid;
  gap: 12px;
  margin: 0 0 28px;
}

@media (min-width: 560px) {
  .kartlar {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

.kart {
  display: block;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.kart:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--surface-2);
}

.kart-baslik {
  display: block;
  font-weight: 700;
  margin-bottom: 2px;
}

.kart-baslik::after {
  content: " →";
  color: var(--link);
}

.kart-aciklama {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.vurgu {
  text-align: center;
  color: var(--muted);
  font-size: 0.98rem;
}

/* ---- Alt bilgi ---- */
.alt {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  padding: 20px 0 28px;
}

.alt nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 8px;
}

.alt p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}