/* Ana sayfa (yeni tasarım). Renkler site.css değişkenlerinden; yalnızca index.html yükler. */

/* --- Giriş --- */
.an-hero { position: relative; z-index: 2; padding: 20px 0 56px; overflow-x: clip; }
.an-hero::before, .an-hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.an-hero::after { right: -8%; top: -10%; width: 640px; height: 640px; background: radial-gradient(closest-side, var(--glow-a), transparent); }
.an-hero::before { left: -12%; bottom: -30%; width: 520px; height: 520px; background: radial-gradient(closest-side, var(--glow-g), transparent); }
.an-hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.an-hero h1 { font-size: clamp(38px, 5.6vw, 68px); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; margin: 0 0 18px; }
.an-hero .lead { font-size: 18.5px; color: var(--mu); max-width: 560px; margin: 0; }

/* Arama */
.an-ara { position: relative; margin: 30px 0 22px; max-width: 560px; }
.an-ara > svg { position: absolute; left: 18px; top: 50%; width: 22px; height: 22px; transform: translateY(-50%); color: var(--mu2); pointer-events: none; }
.an-ara input {
  width: 100%; height: 60px; padding: 0 56px 0 52px; font: 500 17px var(--body); color: var(--fg);
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow);
  transition: border-color .15s, box-shadow .15s;
}
.an-ara input::placeholder { color: var(--mu2); }
.an-ara input:focus { outline: none; border-color: var(--a); box-shadow: 0 0 0 4px var(--a-bg), var(--shadow); }
.an-ara input::-webkit-search-cancel-button { display: none; }
.an-ara kbd { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font: 600 13px/1 var(--body); color: var(--mu2); border: 1px solid var(--line); border-radius: 7px; padding: 5px 8px; background: var(--card2); }
.an-ara input:focus ~ kbd { display: none; }
.an-ara-sonuc {
  position: absolute; z-index: 20; left: 0; right: 0; top: calc(100% + 8px); margin: 0; padding: 6px; list-style: none;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); max-height: 420px; overflow: auto;
}
.an-ara-sonuc a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--fg); text-decoration: none; }
.an-ara-sonuc a:hover, .an-ara-sonuc [aria-selected="true"] a { background: var(--a-bg); }
.an-ara-sonuc b { display: block; font: 700 15.5px/1.3 var(--display); }
.an-ara-sonuc small { display: block; color: var(--mu); font-size: 13.5px; margin-top: 3px; line-height: 1.4; }
.an-ara-sonuc em { font-style: normal; color: var(--a-t); font-weight: 600; }
.an-ara-sonuc .bos { padding: 12px; color: var(--mu); }

.an-sayi { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.an-sayi li { font-size: 14px; color: var(--mu); background: var(--card2); border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; }
.an-sayi b { font: 800 15px var(--display); color: var(--fg); margin-right: 3px; }

/* Gemi kesiti çizimi */
.an-sekil { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 18px 18px 14px; box-shadow: var(--shadow); }
.an-sekil svg { display: block; width: 100%; height: auto; color: var(--g-t); }
.an-izgara path { stroke: var(--line); stroke-dasharray: 4 6; }
.an-tekne { fill: var(--card2); stroke: var(--a-t); stroke-width: 2.5; stroke-linejoin: round; }
.an-tekne-su { fill: var(--a-bg); stroke: none; }
.an-eksen { stroke: var(--mu2); stroke-dasharray: 3 5; }
.an-guverte { stroke: var(--a-t); stroke-width: 4; stroke-linecap: round; }
.an-su { fill: none; stroke: var(--a-t); stroke-width: 2; opacity: .8; }
.an-kaldirma { stroke: var(--teal-t); stroke-width: 2; stroke-dasharray: 5 4; fill: none; color: var(--teal-t); }
.an-gz { stroke: var(--g-t); stroke-width: 5; stroke-linecap: round; }
.an-nokta circle { fill: var(--fg); stroke: var(--card); stroke-width: 2; }
.an-nokta text { font: 700 15px var(--display); fill: var(--fg); }
.an-nokta .an-z { fill: var(--g-t); }
.an-sekil figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 10px 6px 0; font-size: 14px; color: var(--mu); border-top: 1px solid var(--line); margin-top: 6px; }
.an-sekil figcaption b { font: 700 14px var(--display); color: var(--fg); font-variant-numeric: tabular-nums; display: inline-block; min-width: 46px; }

/* --- Son eklenenler: bento --- */
.an-son { padding-top: 48px; }
.an-bas { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.an-bas h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; margin: 0; }
.an-cipler { display: flex; flex-wrap: wrap; gap: 8px; }
.cip { font: 600 14px var(--body); color: var(--mu); background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; cursor: pointer; transition: all .15s; }
.cip:hover { color: var(--fg); border-color: var(--line-h); }
.cip[aria-pressed="true"] { color: #fff; background: var(--a); border-color: var(--a); }

.an-bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bk {
  position: relative; display: flex; flex-direction: column; overflow: hidden; color: var(--fg); text-decoration: none;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); transition: transform .2s, border-color .2s, box-shadow .2s;
}
.bk[hidden] { display: none; }
.bk:hover { transform: translateY(-3px); border-color: var(--line-h); box-shadow: var(--shadow); }
.bk-resim { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--card2); }
.bk-resim img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.bk:hover .bk-resim img { transform: scale(1.04); }
.bk-resim .an-yelkenli { display: block; width: 100%; height: 100%; }
.bk-resim .yok { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, var(--a-bg), var(--g-bg)); }
.bk-yazi { display: flex; flex-direction: column; gap: 8px; padding: 16px 18px 18px; }
.bk-ust { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; color: var(--mu2); }
.bk-etiket { font: 700 11.5px/1.6 var(--display); letter-spacing: .08em; text-transform: uppercase; color: var(--a-t); }
.bk strong { font: 700 17.5px/1.3 var(--display); }
.bk-ozet { display: none; color: var(--mu); font-size: 15px; line-height: 1.55; }

/* İlk (en yeni) kart büyük: görselin üstünde yazı */
.bk.buyuk { grid-column: span 2; grid-row: span 2; }
.bk.buyuk .bk-resim { position: absolute; inset: 0; aspect-ratio: auto; }
.bk.buyuk .bk-resim::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(2, 14, 22, .8) 75%, rgba(2, 14, 22, .95)); }.bk.buyuk .bk-yazi { position: relative; margin-top: auto; padding: 28px; min-height: 420px; justify-content: flex-end; color: #fff; }
.bk.buyuk .bk-ust { color: rgba(255, 255, 255, .8); }
.bk.buyuk .bk-etiket { color: #7fd7ff; }
.bk.buyuk strong { font-size: clamp(24px, 2.6vw, 32px); font-weight: 800; }
.bk.buyuk .bk-ozet { display: block; color: rgba(255, 255, 255, .85); max-width: 560px; }

/* --- Ders yolları --- */
.an-yollar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
/* Kapalıyken dört kart eşit boyda; bir "Dahası" açılınca diğerleri kendi boyunda kalır */
.an-yollar:has(.an-dahasi[open]) { align-items: start; }
.an-yol { display: flex; flex-direction: column; min-width: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; }
.an-yol-bas { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.an-yol-bas .ico { margin: 0; flex: none; }
.an-yol .k { font: 700 11.5px/1 var(--display); letter-spacing: .1em; text-transform: uppercase; color: var(--mu2); margin-bottom: 6px; }
.an-yol h3 { font-size: 17px; font-weight: 700; line-height: 1.3; margin: 0; }
.an-yol ol { counter-reset: adim; list-style: none; margin: 0; padding: 0; position: relative; }
.an-yol ol::before { content: ""; position: absolute; left: 14px; top: 14px; bottom: 14px; width: 2px; background: var(--line); }
.an-yol li { counter-increment: adim; position: relative; }
.an-yol li a { display: grid; grid-template-columns: 30px minmax(0, 1fr); align-items: center; gap: 12px; min-height: 44px; padding: 0 8px 0 0; color: var(--fg2); text-decoration: none; border-radius: 10px; font-size: 15px; }
.an-yol li a > span { line-height: 1.3; padding: 4px 0; }
.an-yol li a::before {
  content: counter(adim); flex: none; position: relative; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  font: 700 12.5px var(--display); background: var(--card2); border: 2px solid var(--line); color: var(--mu); transition: all .15s;
}
.an-yol li a:hover { color: var(--fg); background: var(--card2); }
.an-yol.a li a:hover::before { background: var(--a); border-color: var(--a); color: #fff; }
.an-yol.t li a:hover::before { background: var(--teal-t); border-color: var(--teal-t); color: var(--card); }
.an-yol.g li a:hover::before { background: var(--g); border-color: var(--g); color: #fff; }
.an-yol.c li a:hover::before { background: var(--a); border-color: var(--a); color: #fff; }
.an-yol .gi { margin-left: auto; font-size: 11.5px; font-weight: 600; color: var(--mu2); background: var(--chip); border-radius: 6px; padding: 2px 7px; white-space: nowrap; }
.an-yol-not { color: var(--mu); font-size: 14.5px; margin: 12px 0 0; }

/* "Dahası" akordiyonu: kartın dibinde, açılınca kalan dersler */
.an-dahasi { padding-top: 10px; }
.an-dahasi summary {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; padding: 0 14px; cursor: pointer; list-style: none;
  font: 600 14.5px var(--body); color: var(--a-t); background: var(--a-bg); border-radius: 12px; user-select: none;
}
.an-dahasi summary::-webkit-details-marker { display: none; }
.an-dahasi summary span { font-weight: 500; color: var(--mu); margin-left: auto; }
.an-dahasi summary::after { content: ""; width: 8px; height: 8px; border: solid currentColor; border-width: 0 2px 2px 0; transform: rotate(45deg) translateY(-2px); transition: transform .2s; }
.an-dahasi[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.an-dahasi summary:hover { filter: brightness(1.1); }
.an-dahasi summary:focus-visible { outline: 2px solid var(--a); outline-offset: 2px; }
.an-dahasi ol { margin-top: 8px; }
.an-dahasi[open] ol { animation: an-ac .2s ease-out; }
@keyframes an-ac { from { opacity: 0; transform: translateY(-4px); } }

/* --- Sınav bandı --- */
.an-sinav {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding: 36px 40px; border-radius: 24px; color: #fff;
  background: linear-gradient(120deg, #0a5f8c, #0d7fb8 45%, #1c8f55);
}
.an-sinav h3 { font-size: clamp(22px, 2.8vw, 30px); font-weight: 800; margin: 6px 0 8px; color: #fff; }
.an-sinav p { margin: 0; max-width: 600px; color: rgba(255, 255, 255, .88); }
.an-sinav-k { font: 700 11.5px/1 var(--display); letter-spacing: .1em; text-transform: uppercase; color: rgba(255, 255, 255, .75); }

/* --- Alt bilgi --- */
.an-foot .wrap { flex-direction: column; align-items: stretch; }
.an-foot-ust { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.an-foot-ust p { margin: 0; max-width: 380px; }
.an-foot-ust { border-bottom: 0; padding-bottom: 0; }
.an-foot nav { display: flex; gap: 56px; }
.an-foot nav div { display: flex; flex-direction: column; gap: 6px; }
.an-foot nav b { color: var(--fg); font: 700 14px var(--display); margin-bottom: 4px; }

/* --- Dar ekranlar --- */
@media (max-width: 1000px) {
  .an-hero .wrap { grid-template-columns: 1fr; gap: 36px; }
  .an-sekil { max-width: 520px; }
  .an-yollar { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .an-yollar { grid-template-columns: 1fr; }
  .an-hero { padding: 16px 0 32px; }
  .an-hero .lead { font-size: 16.5px; }
  .an-ara input { height: 54px; font-size: 16px; }
  .an-ara kbd { display: none; }
  /* Kartlar yana kayar */
  .an-bento { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; margin: 0 -20px; padding: 4px 20px 12px; scrollbar-width: none; }
  .an-bento::-webkit-scrollbar { display: none; }
  .bk { flex: 0 0 78%; scroll-snap-align: start; }
  /* Telefonda büyük kartın yazısı görselin altında */
  .bk.buyuk .bk-resim { position: relative; inset: auto; aspect-ratio: 4 / 3; }
  .bk.buyuk .bk-resim::after { display: none; }
  .bk.buyuk .bk-yazi { min-height: 0; padding: 16px 18px 18px; color: var(--fg); }
  .bk.buyuk .bk-ust { color: var(--mu2); }
  .bk.buyuk .bk-etiket { color: var(--a-t); }
  .bk.buyuk strong { font-size: 19px; }
  .bk.buyuk .bk-ozet { display: none; }
  .an-cipler { flex-wrap: nowrap; overflow-x: auto; margin: 0 -20px; padding: 0 20px; scrollbar-width: none; }
  .cip { flex: none; }
  .an-yol { padding: 20px; }
  .an-sinav { padding: 28px 24px; }
  .an-sinav .btn { width: 100%; }
  .an-foot nav { gap: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  .bk, .bk-resim img { transition: none; }
}

/* Bölüm araları (site.css'teki .sec 84px'ten daha sıkı) */
.an-hero { padding-bottom: 28px; }
.an-son { padding: 20px 0 36px; }
#dersler { padding: 36px 0 24px; }
#dersler .sec-h { margin-bottom: 24px; }
#dersler .sec-h h2 { margin-bottom: 6px; }
.sec-ince { padding: 24px 0; }
.an-foot { padding-top: 28px; }
@media (max-width: 760px) {
  .an-hero { padding-bottom: 20px; }
  .an-son { padding: 12px 0 24px; }
  #dersler { padding: 32px 0; }
  .sec-ince { padding: 24px 0; }
}