/* Almanca Kaynak - stil.css
   Renk sistemi: Almanca sınıflarında artikel öğretmek için kullanılan
   mavi (der) / kırmızı (die) / yeşil (das) üçlüsü.
   Sitede: mavi = videolar, kırmızı = indirmeler, yeşil = sınav. */

:root {
  --kagit: #F0F1EC;
  --yuzey: #FFFFFF;
  --murekkep: #17191A;
  --soluk: #6B6F6A;
  --cizgi: #DBDDD5;

  --der: #2D5BD6;
  --die: #CE2E28;
  --das: #1C7A45;

  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --govde: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  --etiket: "Space Mono", ui-monospace, "SF Mono", monospace;

  --olcu: 1180px;
  --r: 4px;
}

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

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

body {
  margin: 0;
  background: var(--kagit);
  color: var(--murekkep);
  font-family: var(--govde);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--der);
  outline-offset: 3px;
}

.kap {
  width: 100%;
  max-width: var(--olcu);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- Üst bar ---------- */

.ustbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--kagit) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cizgi);
}

.ustbar .kap {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 62px;
}

.marka {
  font-family: var(--display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.marka .nokta { color: var(--die); }

.menu {
  display: flex;
  gap: 20px;
  margin-left: auto;
  flex-wrap: wrap;
}

.menu a {
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  color: var(--soluk);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}

.menu a:hover { color: var(--murekkep); }
.menu a[aria-current="page"] { color: var(--murekkep); border-bottom-color: var(--murekkep); }

/* ---------- Kahraman ---------- */

.kahraman { padding: 72px 0 40px; }

.gozkapagi {
  font-family: var(--etiket);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--soluk);
  margin: 0 0 24px;
}

.kahraman h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.7rem, 9.5vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
}

.kahraman h1 .der { color: var(--der); }
.kahraman h1 .die { color: var(--die); }
.kahraman h1 .das { color: var(--das); }

.lede {
  max-width: 46ch;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--soluk);
  margin: 28px 0 0;
}

.anahtar {
  margin: 40px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--cizgi);
  font-family: var(--etiket);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--soluk);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
}

.anahtar span { display: inline-flex; align-items: center; gap: 8px; }
.anahtar i {
  width: 10px; height: 10px; border-radius: 50%;
  display: inline-block; font-style: normal;
}
.anahtar .i-der { background: var(--der); }
.anahtar .i-die { background: var(--die); }
.anahtar .i-das { background: var(--das); }

/* ---------- Seviye rafı ---------- */

.raf { padding: 56px 0 8px; }

.raf-baslik {
  font-family: var(--etiket);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--soluk);
  margin: 0 0 16px;
}

.seviyeler {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.seviye {
  display: block;
  text-decoration: none;
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r);
  padding: 20px 18px;
  transition: transform .16s ease, border-color .16s ease;
}

.seviye:hover { transform: translateY(-3px); border-color: var(--murekkep); }

.seviye b {
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: 30px;
  letter-spacing: -0.03em;
  line-height: 1;
}

.seviye small {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--soluk);
}

/* ---------- Bölümler ---------- */

.bolum { padding: 64px 0; border-top: 1px solid var(--cizgi); margin-top: 64px; }
.bolum:first-of-type { margin-top: 40px; }

.bolum-ust {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.bolum h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0;
}

.bolum h2::before {
  content: "";
  display: inline-block;
  width: 11px; height: 11px;
  border-radius: 50%;
  margin-right: 12px;
  vertical-align: 0.08em;
  background: var(--soluk);
}

.bolum.t-video h2::before { background: var(--der); }
.bolum.t-indirme h2::before { background: var(--die); }
.bolum.t-sinav h2::before { background: var(--das); }

.bolum-not { color: var(--soluk); font-size: 15px; margin: 10px 0 0; max-width: 52ch; }

.bag {
  font-family: var(--etiket);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  white-space: nowrap;
}

/* ---------- Kart ızgarası ---------- */

.izgara > li { display: grid; }
.kart { height: 100%; }

.izgara {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.kart {
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  transition: border-color .16s ease, transform .16s ease;
}

a.kart:hover { border-color: var(--murekkep); transform: translateY(-3px); }

.kart h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0;
}

.kart p { margin: 0; font-size: 14.5px; color: var(--soluk); line-height: 1.5; }

.kart-ust { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.rozet {
  font-family: var(--etiket);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  border-radius: 3px;
  color: var(--yuzey);
  background: var(--murekkep);
}

.rozet.s-A1, .rozet.s-A2 { background: var(--der); }
.rozet.s-B1, .rozet.s-B2 { background: var(--die); }
.rozet.s-C1, .rozet.s-C2 { background: var(--das); }

.meta {
  font-family: var(--etiket);
  font-size: 11.5px;
  color: var(--soluk);
  letter-spacing: 0.03em;
}

.kart-alt { margin-top: auto; padding-top: 6px; }

/* Video kartı */
.kapak {
  aspect-ratio: 16 / 9;
  background: var(--cizgi);
  border-radius: 3px;
  object-fit: cover;
  width: 100%;
}

/* ---------- Süzgeç ---------- */

.suzgec {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.suzgec button {
  font-family: var(--etiket);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--cizgi);
  background: var(--yuzey);
  color: var(--soluk);
  cursor: pointer;
  transition: background .14s ease, color .14s ease, border-color .14s ease;
}

.suzgec button:hover { border-color: var(--murekkep); color: var(--murekkep); }

.suzgec button[aria-pressed="true"] {
  background: var(--murekkep);
  border-color: var(--murekkep);
  color: var(--kagit);
}

/* ---------- Sayfa başlığı ---------- */

.sayfa-ust { padding: 64px 0 8px; }

.sayfa-ust h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7vw, 4rem);
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 12px 0 0;
}

.sayfa-ust .lede { margin-top: 20px; }

/* ---------- Durum ---------- */

.durum {
  border: 1px dashed var(--cizgi);
  border-radius: var(--r);
  padding: 28px 20px;
  text-align: center;
  color: var(--soluk);
  font-size: 15px;
}

/* ---------- Yazı ---------- */

.yazi { max-width: 62ch; }
.yazi p { margin: 0 0 18px; font-size: 17.5px; }
.yazi h2 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.025em;
  font-size: 1.5rem;
  margin: 40px 0 14px;
}

/* ---------- Alt bilgi ---------- */

.altbilgi {
  border-top: 1px solid var(--cizgi);
  margin-top: 80px;
  padding: 40px 0 56px;
}

.altbilgi .kap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.altbilgi a { color: var(--soluk); text-decoration: none; }
.altbilgi a:hover { color: var(--murekkep); }

.altbilgi .baglar { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }

.telif { font-family: var(--etiket); font-size: 11.5px; color: var(--soluk); letter-spacing: 0.03em; }

/* ---------- Küçük ekran ---------- */

@media (max-width: 760px) {
  .ustbar .kap {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    min-height: 0;
    padding-block: 10px;
  }
  .menu {
    margin-left: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 18px;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .menu::-webkit-scrollbar { display: none; }
  .menu a { font-size: 14.5px; white-space: nowrap; }
  .kahraman { padding: 40px 0 24px; }
  .bolum { padding: 44px 0; margin-top: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}