/* AVLA tanıtım sitesi. Renkler uygulamanın P1 temasından (lacivert #0B2545, turkuaz #13B5B1).
   Dış kaynak yok: yazı tipleri /fonts altında, CSP yalnız 'self' izin verir. */

@font-face { font-family: "Instrument Serif"; src: url("/fonts/InstrumentSerif_400Regular.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("/fonts/InstrumentSerif_400Regular_Italic.ttf") format("truetype"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/fonts/Manrope_400Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/fonts/Manrope_600SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/fonts/Manrope_800ExtraBold.ttf") format("truetype"); font-weight: 800; font-display: swap; }

:root {
  --lacivert: #0B2545;
  --turkuaz: #13B5B1;
  --yuzey: #1C6E8C;
  --dip: #040E1B;
  --kopuk: #EAF2F7;
  --sis: #8FA5B5;
  --safak: #FFD9A8;

  /* belge sayfaları (açık tema) */
  --zemin: #FFFFFF;
  --metin: #0B2545;
  --soluk: #56657A;
  --kart: #F1F4F7;
  --ayrac: #DFE5EB;
  --baglanti: #0E8C89;

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --zemin: #07131F;
    --metin: #E3ECF3;
    --soluk: #9FB0C1;
    --kart: #0F2236;
    --ayrac: #1E3349;
    --baglanti: #3FD0CC;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.6; background: var(--zemin); color: var(--metin); }
img { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--turkuaz); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { text-wrap: balance; }

.atla { position: absolute; left: -999px; top: 8px; background: var(--turkuaz); color: var(--dip); padding: 8px 14px; border-radius: 8px; font-weight: 800; z-index: 50; }
.atla:focus { left: 16px; }

/* ---------- Üst şerit (her sayfada) ---------- */
.ust {
  position: absolute; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px clamp(16px, 4vw, 48px);
}
.ust .logo img { height: 30px; width: auto; }
.ust nav { display: flex; gap: clamp(12px, 2.5vw, 28px); font-size: 14px; font-weight: 600; }
.ust nav a { color: var(--kopuk); text-decoration: none; opacity: .85; }
.ust nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 560px) { .ust nav .genis { display: none; } }

/* ================= ANA SAYFA: denize iniş ================= */
.deniz-sayfa { background: var(--dip); color: var(--kopuk); overflow-x: clip; }

/* Kapak: şafakta ufuk */
.kapak {
  position: relative; isolation: isolate;
  padding: 128px clamp(16px, 5vw, 64px) 0;
  background: linear-gradient(180deg, #06162B 0%, #0B2545 38%, #1B4E6E 70%, #3E8EA2 92%, #57A7B3 100%);
  overflow: hidden;
}
.gunes {
  position: absolute; z-index: -2; left: 50%; bottom: 40px;
  width: min(900px, 140vw); aspect-ratio: 1; margin-left: calc(min(900px, 140vw) / -2);
  background: radial-gradient(circle at 50% 50%, rgba(255, 217, 168, .55) 0 6%, rgba(255, 217, 168, .18) 18%, rgba(255, 217, 168, 0) 46%);
  pointer-events: none;
}
.dalga { position: absolute; z-index: -1; left: -5%; width: 110%; height: auto; pointer-events: none; }
.dalga-arka { bottom: 34px; opacity: .55; }
.dalga-on { bottom: -2px; }

.kapak-icerik {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(24px, 5vw, 72px); align-items: end;
}
.ust-etiket { font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--turkuaz); margin: 0 0 14px; }
.kapak h1 {
  font-family: var(--serif); font-weight: 400; margin: 0;
  font-size: clamp(46px, 7.4vw, 96px); line-height: .98; letter-spacing: -.01em;
}
.kapak h1 em { font-style: italic; color: var(--safak); }
.kapak-metin p { font-size: clamp(17px, 1.6vw, 19px); max-width: 34em; color: #D3E1EB; margin: 22px 0 0; }
.durum {
  display: inline-flex; align-items: center; gap: 10px; margin: 28px 0 0;
  padding: 10px 16px; border-radius: 999px; font-size: 14px; font-weight: 600;
  background: rgba(4, 14, 27, .45); border: 1px solid rgba(234, 242, 247, .18);
}
.durum i { width: 8px; height: 8px; border-radius: 50%; background: var(--turkuaz); box-shadow: 0 0 0 4px rgba(19, 181, 177, .25); }
.kapak-metin { padding-bottom: clamp(96px, 14vw, 180px); }
.kapak-telefon { justify-self: center; margin-bottom: -150px; }

/* Telefon çerçevesi */
.telefon {
  margin: 0; width: clamp(220px, 24vw, 300px);
  border-radius: 46px; padding: 10px; background: #02070E;
  box-shadow: 0 0 0 1.5px rgba(234, 242, 247, .16), 0 40px 80px -20px rgba(0, 0, 0, .65), 0 18px 36px -18px rgba(19, 181, 177, .35);
}
.telefon img { border-radius: 36px; width: 100%; height: auto; aspect-ratio: 540 / 1168; object-fit: cover; object-position: top; background: #fff; }
.telefon.kucuk { width: clamp(180px, 19vw, 236px); border-radius: 38px; padding: 8px; }
.telefon.kucuk img { border-radius: 30px; }

/* Deniz: yukarıdan aşağı koyulaşan su sütunu */
.deniz {
  position: relative;
  background: linear-gradient(180deg, #57A7B3 0%, #2C7E96 6%, #155873 18%, #0B2545 46%, #071A31 72%, var(--dip) 100%);
}
.huzme {
  position: absolute; top: 0; left: 0; right: 0; height: 900px; pointer-events: none;
  background: repeating-linear-gradient(100deg, rgba(234, 242, 247, .07) 0 34px, rgba(234, 242, 247, 0) 34px 120px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
}

/* Derinlik göstergesi */
.derinlik {
  position: fixed; right: clamp(12px, 2vw, 28px); top: 50%; z-index: 15; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 800; letter-spacing: .08em; color: var(--kopuk);
  font-variant-numeric: tabular-nums; pointer-events: none;
}
.derinlik-ray { position: relative; width: 2px; height: 160px; background: rgba(234, 242, 247, .2); border-radius: 2px; overflow: hidden; }
.derinlik-dolu { position: absolute; inset: 0; background: var(--turkuaz); transform-origin: top; transform: scaleY(0); }
.derinlik-yazi { writing-mode: vertical-rl; transform: rotate(180deg); opacity: .8; }
@media (max-width: 820px) { .derinlik { display: none; } }

/* Balıklar: farklı derinlikte, farklı hızla süzülür */
.balik { position: absolute; pointer-events: none; z-index: 0; }
.balik img { width: 100%; height: auto; }
.balik.uzak { filter: blur(1.5px) saturate(.6); opacity: .45; }
.balik.orta { opacity: .75; }
.balik .ters { transform: scaleX(-1); }
.b-1 { width: 150px; right: 8%; top: 12%; }
.b-2 { width: 96px; left: 6%; top: 8%; }
.b-3 { width: 130px; left: 10%; bottom: 10%; }
.b-4 { width: 88px; right: 14%; top: 6%; }
@media (max-width: 860px) { .b-1, .b-3 { width: 96px; } .b-2, .b-4 { width: 64px; } }

/* Bölümler */
.bolum { position: relative; padding: clamp(96px, 12vw, 168px) clamp(16px, 5vw, 64px); }
.bolum:first-of-type { padding-top: clamp(200px, 20vw, 260px); }
.satir {
  position: relative; z-index: 1; max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(32px, 7vw, 96px); align-items: center;
}
.satir.ters { grid-template-columns: minmax(0, 1fr) auto; }
.satir.ters .gorsel { order: 2; }
.gorsel { position: relative; display: flex; gap: 20px; align-items: flex-start; }
.gorsel .ikinci { margin-top: 90px; }

.urun { font-size: 14px; font-weight: 800; letter-spacing: .02em; color: var(--turkuaz); margin: 0 0 10px; }
.urun b { color: var(--kopuk); font-weight: 800; }
.bolum h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(36px, 4.6vw, 60px); line-height: 1.02; margin: 0 0 18px; }
.bolum h2 em { font-style: italic; color: var(--turkuaz); }
.bolum p { color: #C9D7E2; max-width: 36em; margin: 0 0 14px; }
.ozellikler { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; max-width: 36em; }
.ozellikler li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; color: #DCE7EF; }
.ozellikler li::before { content: ""; width: 10px; height: 10px; margin-top: 8px; border-radius: 50%; border: 2px solid var(--turkuaz); }

/* Topluluk: üç ekran yan yana, kademeli hız */
.topluluk-baslik { position: relative; z-index: 1; max-width: 760px; margin: 0 auto clamp(40px, 6vw, 72px); text-align: center; }
.topluluk-baslik p { margin-left: auto; margin-right: auto; }
.uclu {
  position: relative; z-index: 1; max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 3vw, 40px);
}
.uclu > div { display: grid; justify-items: center; gap: 22px; align-content: start; }
.uclu > div:nth-child(2) { padding-top: 70px; }
.uclu h3 { font-size: 15px; font-weight: 800; margin: 0; color: var(--turkuaz); }
.uclu h3 + p { font-size: 15px; text-align: center; margin: -14px 0 0; max-width: 18em; }

/* Denize çıkmadan önce */
.uyari { max-width: 1080px; margin: 0 auto; position: relative; z-index: 1; }
.uyari-izgara { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: rgba(234, 242, 247, .14); border-radius: 22px; overflow: hidden; margin-top: 34px; }
.uyari-izgara div { background: #061528; padding: 26px 24px; }
.uyari-izgara h3 { font-family: var(--serif); font-weight: 400; font-size: 26px; margin: 0 0 8px; }
.uyari-izgara p { font-size: 15px; margin: 0; }

.bolum .not { font-size: 13px; color: var(--sis); text-align: center; margin: 56px auto 0; max-width: 46em; position: relative; z-index: 1; }

/* Alt bilgi (her sayfada) */
.alt {
  background: #02080F; color: #B9C8D4; font-size: 14px;
  padding: 48px clamp(16px, 5vw, 64px) 40px;
}
.alt-ic { max-width: 1080px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px 48px; align-items: start; }
.alt img { height: 26px; width: auto; margin-bottom: 12px; }
.alt p { margin: 0; max-width: 32em; }
.alt nav { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 32px; }
.alt nav a { color: var(--kopuk); text-decoration: none; }
.alt nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.alt small { grid-column: 1 / -1; color: #7F93A5; border-top: 1px solid rgba(234, 242, 247, .1); padding-top: 18px; }

@media (max-width: 860px) {
  .kapak-icerik { grid-template-columns: minmax(0, 1fr); }
  .kapak-metin { padding-bottom: 32px; }
  .kapak-telefon { margin-bottom: -120px; }
  .satir, .satir.ters { grid-template-columns: minmax(0, 1fr); }
  .satir.ters .gorsel { order: 0; }
  .gorsel { justify-content: center; }
  .gorsel .ikinci { margin-top: 60px; }
  .uclu {
    display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 20px;
    margin: 0 calc(clamp(16px, 5vw, 64px) * -1); padding: 0 clamp(16px, 5vw, 64px) 12px;
  }
  .uclu > div { flex: 0 0 auto; scroll-snap-align: center; }
  .uclu > div:nth-child(2) { padding-top: 0; }
  .uyari-izgara { grid-template-columns: minmax(0, 1fr); }
  .alt-ic { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
  .gorsel .telefon { width: min(46vw, 200px); border-radius: 30px; padding: 7px; }
  .gorsel .telefon img { border-radius: 24px; }
  .gorsel .telefon:only-child { width: min(72vw, 260px); }
}

/* ================= BELGE SAYFALARI ================= */
.belge-ust { position: relative; background: var(--lacivert); color: var(--kopuk); padding: 96px clamp(16px, 5vw, 64px) 40px; overflow: hidden; }
.belge-ust .dalga { bottom: -2px; opacity: 1; }
.belge-ust-ic { max-width: 760px; margin: 0 auto; position: relative; z-index: 1; padding-bottom: 28px; }
.belge-ust h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(40px, 6vw, 64px); line-height: 1.02; margin: 0 0 8px; }
.belge-ust p { margin: 0; color: #B9CAD7; font-size: 15px; }
.sekmeler { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.sekmeler a { display: inline-block; padding: 8px 14px; border-radius: 999px; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--kopuk); border: 1px solid rgba(234, 242, 247, .22); }
.sekmeler a[aria-current="page"] { background: var(--kopuk); color: var(--lacivert); border-color: var(--kopuk); }

.belge { max-width: 760px; margin: 0 auto; padding: 40px clamp(16px, 5vw, 24px) 80px; }
.belge h2 { font-family: var(--serif); font-weight: 400; font-size: 30px; line-height: 1.15; margin: 44px 0 10px; }
.belge h3 { font-size: 17px; font-weight: 800; margin: 24px 0 6px; }
.belge p, .belge li { max-width: 68ch; }
.belge ul, .belge ol { padding-left: 22px; }
.belge li { margin: 6px 0; }
.belge a { color: var(--baglanti); text-underline-offset: 3px; }
.belge .kutu { background: var(--kart); border-radius: 18px; padding: 18px 20px; margin: 18px 0; }
.belge .kutu p { margin: 0; }
.belge .soluk { color: var(--soluk); font-size: 15px; }
.belge .icindekiler { background: var(--kart); border-radius: 18px; padding: 18px 22px; margin: 8px 0 12px; font-size: 15px; }
.belge .icindekiler ol { margin: 6px 0 0; columns: 2; column-gap: 32px; }
.belge .icindekiler li { margin: 3px 0; break-inside: avoid; }
@media (max-width: 560px) { .belge .icindekiler ol { columns: 1; } }

/* 404 */
.kayip { min-height: 70vh; display: grid; place-content: center; text-align: center; padding: 140px 16px 80px; background: linear-gradient(180deg, #0B2545, var(--dip)); color: var(--kopuk); }
.kayip h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(44px, 8vw, 80px); margin: 0 0 10px; }
.kayip a { color: var(--turkuaz); font-weight: 800; }