/* cascadeit.com.tr — ortak stil.
   Yazı: TeX Gyre Schola (okul kitabı harfi, başlıklar) + Inter (metin). Renkler Çizelge'nin simgesinden
   ve programın ders renklerinden gelir. */

@font-face { font-family: "Schola"; src: url("fonts/schola-bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Schola"; src: url("fonts/schola-regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Adventor"; src: url("fonts/adventor-bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/inter-regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/inter-semibold.woff") format("woff"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/inter-bold.woff") format("woff"); font-weight: 700; font-display: swap; }

:root {
  --murekkep: #15324a;
  --lacivert: #24577e;
  --lacivert-koyu: #1a4263;
  --kagit: #f3f6f9;
  --beyaz: #ffffff;
  --zil: #ffc94d;
  --zil-koyu: #e9ad1f;
  --cizgi: #d3dde6;
  --soluk: #566b7d;
  --tamam: #2f7d4f;

  /* Çizelge'nin çıktılarındaki ders renkleri */
  --d-atolye: #e4eacc;
  --d-sanat: #ffdce7;
  --d-dil: #ebddff;
  --d-meslek: #ddf3e0;
  --d-sosyal: #dff0cc;
  --d-rehber: #e9d8f0;
  --d-fen: #ffe3d6;
  --d-spor: #dcebff;
  --d-mat: #d3f1f1;

  --serif: "Schola", "Century Schoolbook", "New Century Schoolbook", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --genislik: 1160px;
  --kenar: clamp(16px, 4vw, 40px);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--kagit);
  color: var(--murekkep);
  font: 400 17px/1.6 var(--sans);
  font-feature-settings: "calt", "kern";
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--lacivert); text-underline-offset: 3px; }
a:hover { color: var(--lacivert-koyu); }
:focus-visible { outline: 3px solid var(--zil-koyu); outline-offset: 3px; border-radius: 4px; }
h1, h2 { font-family: var(--serif); font-weight: 700; letter-spacing: -0.01em; margin: 0; color: var(--murekkep); }
h1 { font-size: clamp(38px, 5.6vw, 62px); line-height: 1.04; }
h2 { font-size: clamp(30px, 3.6vw, 41px); line-height: 1.1; }
h3 { font: 600 20px/1.35 var(--sans); margin: 0; }
p { margin: 0; }
.ic { max-width: var(--genislik); margin: 0 auto; padding: 0 var(--kenar); }
.gizli { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.atla { position: absolute; left: 12px; top: -60px; background: var(--murekkep); color: #fff; padding: 10px 14px; border-radius: 8px; z-index: 50; }
.atla:focus { top: 12px; color: #fff; }

/* Üst şerit */
.ust { position: sticky; top: 0; z-index: 20; background: rgba(243, 246, 249, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid transparent; }
.ust.kaydi { border-bottom-color: var(--cizgi); }
.ust .ic { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.marka { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--murekkep); font: 700 22px/1 var(--serif); }
.marka img { width: 36px; height: 36px; border-radius: 9px; }
.marka small { display: block; font: 400 13px/1.2 var(--sans); color: var(--soluk); margin-top: 3px; }
.menu { display: flex; gap: 22px; margin-left: auto; }
.menu a { color: var(--murekkep); text-decoration: none; font-weight: 600; font-size: 15px; }
.menu a:hover { color: var(--lacivert); text-decoration: underline; }
.menu .menu-cta, .menu-dugmesi { display: none; }
/* Telefon ve dar pencere: menü ☰ düğmesiyle açılan panel olur (site.js açar/kapatır). */
@media (max-width: 760px) {
  .ust .ic { position: relative; gap: 12px; min-height: 64px; }
  .ust .ust-cta { margin-left: auto; }
  .menu-dugmesi {
    display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; margin-right: -10px;
    border: 0; border-radius: 10px; background: transparent; color: var(--murekkep); cursor: pointer;
  }
  .menu-dugmesi:hover { background: rgba(0, 0, 0, 0.05); }
  .menu-dugmesi .kapa, .menu-dugmesi[aria-expanded="true"] .ac { display: none; }
  .menu-dugmesi[aria-expanded="true"] .kapa { display: block; }
  .menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; margin: 0;
    padding: 4px var(--kenar) 18px; background: var(--kagit); border-bottom: 1px solid var(--cizgi);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.08);
  }
  .menu.acik { display: flex; }
  .menu a { display: block; padding: 15px 0; font-size: 17px; border-bottom: 1px solid var(--cizgi); }
  .menu a:hover { text-decoration: none; }
  .menu a.dugme, .menu a.dugme:hover { display: inline-flex; color: #fff; border-bottom: 2px solid var(--lacivert); align-self: flex-start; padding: 0 22px; }
  .menu a.menu-cta { margin: 14px 0 6px; display: none; } /* panelde yalnızca üstteki düğme sığmayınca görünür */
  .menu a:nth-last-child(2) { border-bottom: 0; }
  body.kurum .menu a:nth-last-child(2) { border-bottom: 1px solid var(--cizgi); }
  body.kurum .menu a:last-child { border-bottom: 0; }
}
/* Üstteki ana düğme sığmayınca menü paneline geçer: Çizelge sayfasında 480 px altı, şirket sayfalarında 380 px altı. */
@media (max-width: 480px) {
  body.cizelge-sayfasi .ust .ust-cta { display: none; }
  body.cizelge-sayfasi .menu-dugmesi { margin-left: auto; }
  body.cizelge-sayfasi .menu a.menu-cta { display: inline-flex; }
  .ust .marka-sirket img { height: 26px; }
}
@media (max-width: 379px) {
  body.kurum .ust .ust-cta { display: none; }
  body.kurum .menu-dugmesi { margin-left: auto; }
  body.kurum .menu a.menu-cta { display: inline-flex; }
}
@media (max-width: 420px) { .marka small { display: none; } }

/* Düğmeler */
.dugme {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 999px; border: 2px solid var(--lacivert);
  background: var(--lacivert); color: #fff; font: 600 16px/1 var(--sans); text-decoration: none; cursor: pointer; white-space: nowrap;
}
.dugme:hover { background: var(--lacivert-koyu); border-color: var(--lacivert-koyu); color: #fff; }
.dugme.ikinci { background: transparent; color: var(--lacivert); }
.dugme.ikinci:hover { background: var(--beyaz); color: var(--lacivert-koyu); }
.dugme.kucuk { min-height: 40px; padding: 0 16px; font-size: 15px; }
.dugme[aria-disabled="true"] { background: var(--cizgi); border-color: var(--cizgi); color: var(--soluk); pointer-events: none; }
.dugmeler { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Bölümler */
.bolum { padding: clamp(64px, 9vw, 120px) 0; }
.bolum.beyaz { background: var(--beyaz); }
.bolum-bas { max-width: 680px; margin-bottom: 44px; }
.bolum-bas p { margin-top: 14px; color: var(--soluk); font-size: 19px; }

/* Giriş: yazı solda, kendini dolduran haftalık program sağda */
.giris { padding: clamp(40px, 6vw, 72px) 0 clamp(64px, 8vw, 104px); }
.giris .ic { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.giris h1 { max-width: 15ch; font-size: clamp(36px, 4.4vw, 56px); }
.giris .ozet { margin: 22px 0 30px; font-size: 19px; max-width: 34em; color: #2b465c; }
.giris .not { margin-top: 18px; font-size: 15px; color: var(--soluk); }
@media (max-width: 900px) { .giris .ic { grid-template-columns: 1fr; } .giris h1 { max-width: 16ch; } }

.pano { background: var(--beyaz); border: 1px solid var(--cizgi); border-radius: 14px; padding: 18px; box-shadow: 0 30px 60px -38px rgba(21, 50, 74, 0.45); }
.pano-bas { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin: 2px 4px 14px; }
.pano-bas b { font: 700 19px/1.2 var(--serif); }
.pano-bas span { font-size: 13px; color: var(--soluk); }
.izgara { display: grid; grid-template-columns: 26px repeat(5, minmax(0, 1fr)); gap: 3px; font-size: 12px; }
.izgara .gun { text-align: center; font-weight: 600; padding: 6px 0; background: #edf1f6; border-radius: 4px; }
.izgara .saat { display: grid; place-items: center; font-weight: 600; color: var(--soluk); }
.ders { min-height: 44px; border-radius: 5px; padding: 6px 4px; text-align: center; line-height: 1.2; display: flex; flex-direction: column; justify-content: center; }
.ders b { font-weight: 700; font-size: 12.5px; }
.ders i { font-style: normal; color: #4a5d6d; font-size: 11px; }
.izgara.dagitiliyor .ders { opacity: 0; transform: scale(0.92); }
.izgara .ders { transition: opacity 0.22s ease, transform 0.22s ease; }
.izgara .ders.yerlesti { opacity: 1; transform: none; }
.pano-alt { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.durum { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; color: var(--tamam); background: #e3f3e8; padding: 6px 12px; border-radius: 999px; transition: opacity 0.3s ease; }
.durum.bekliyor { color: var(--soluk); background: #edf1f6; }
.durum svg { width: 16px; height: 16px; }
@media (max-width: 520px) { .ders i { display: none; } .ders { min-height: 34px; } .izgara { grid-template-columns: 18px repeat(5, minmax(0, 1fr)); } }

.d-atolye { background: var(--d-atolye); } .d-sanat { background: var(--d-sanat); } .d-dil { background: var(--d-dil); }
.d-meslek { background: var(--d-meslek); } .d-sosyal { background: var(--d-sosyal); } .d-rehber { background: var(--d-rehber); }
.d-fen { background: var(--d-fen); } .d-spor { background: var(--d-spor); } .d-mat { background: var(--d-mat); }

/* Özellikler: programın ders listesi gibi, renk kareli satırlar */
.ozellikler { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(32px, 6vw, 88px); }
.ozellikler .bolum-bas { position: sticky; top: 110px; align-self: start; }
.liste { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--cizgi); }
.liste li { display: grid; grid-template-columns: 28px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--cizgi); }
.liste .kare { width: 28px; height: 28px; border-radius: 7px; margin-top: 1px; }
.liste p { margin-top: 6px; color: #3b5468; }
@media (max-width: 900px) { .ozellikler { grid-template-columns: 1fr; } .ozellikler .bolum-bas { position: static; } }

/* Çıktı örneği */
.kagitta { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.kagitta figure { margin: 0; background: #fff; padding: clamp(8px, 1.4vw, 16px); border-radius: 6px; box-shadow: 0 2px 0 var(--cizgi), 0 40px 70px -45px rgba(21, 50, 74, 0.55); }
.kagitta .yan p { margin-top: 14px; color: #3b5468; }
.kagitta .yan ul { margin: 18px 0 0; padding-left: 20px; color: #3b5468; }
.kagitta .yan li + li { margin-top: 6px; }
@media (max-width: 900px) { .kagitta { grid-template-columns: 1fr; } }

/* Ekran görüntüleri */
.ekranlar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.ekranlar figure { margin: 0; }
.ekranlar img { border-radius: 10px; border: 1px solid var(--cizgi); }
.ekranlar figcaption { margin-top: 10px; font-size: 15px; color: var(--soluk); }
.ekranlar .genis { grid-column: 1 / -1; }
@media (max-width: 760px) { .ekranlar { grid-template-columns: 1fr; } }

/* Fiyat */
.fiyatlar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; max-width: 920px; }
.fiyat { background: var(--beyaz); border: 1px solid var(--cizgi); border-radius: 16px; padding: 30px; display: flex; flex-direction: column; }
.fiyat.kalici { border: 2px solid var(--murekkep); position: relative; overflow: hidden; }
.fiyat.kalici::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 10px; background: var(--zil); }
.fiyat h3 { font: 700 24px/1.2 var(--serif); }
.fiyat .ucret { margin: 16px 0 4px; font: 700 44px/1 var(--sans); letter-spacing: -0.02em; }
.fiyat .ucret small { font-size: 17px; font-weight: 600; color: var(--soluk); letter-spacing: 0; }
.fiyat .ek { color: var(--soluk); font-size: 15px; min-height: 24px; }
.fiyat ul { list-style: none; padding: 0; margin: 22px 0 26px; flex: 1; }
.fiyat li { padding-left: 28px; position: relative; margin-top: 10px; }
.fiyat li::before { content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px; border-left: 2.5px solid var(--tamam); border-bottom: 2.5px solid var(--tamam); transform: rotate(-45deg); }
.sayac[hidden] { display: none; }
.sayac { display: inline-block; margin-top: 4px; font-weight: 600; font-size: 15px; background: #fff4d6; color: #7a5600; padding: 4px 10px; border-radius: 6px; }
.fiyat-not { margin-top: 26px; max-width: 760px; color: var(--soluk); font-size: 15px; }
@media (max-width: 760px) { .fiyatlar { grid-template-columns: 1fr; } }

/* İndir */
.indir { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--cizgi); }
.platform { padding: 28px 28px 28px 0; }
.platform + .platform { padding-left: 28px; border-left: 1px solid var(--cizgi); }
.platform p { margin: 8px 0 18px; color: var(--soluk); font-size: 15px; }
.platform .dugmeler { flex-direction: column; align-items: stretch; }
.platform .ipucu { margin: 14px 0 0; font-size: 14px; }
@media (max-width: 900px) { .indir { grid-template-columns: 1fr; } .platform, .platform + .platform { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--cizgi); } }
.adimlar { counter-reset: adim; list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.adimlar li { counter-increment: adim; padding-top: 16px; border-top: 3px solid var(--murekkep); }
.adimlar li::before { content: counter(adim); display: block; font: 700 30px/1 var(--serif); margin-bottom: 10px; }
.adimlar p { color: #3b5468; margin-top: 6px; }
@media (max-width: 760px) { .adimlar { grid-template-columns: 1fr; } }
.uyari { margin-top: 40px; padding: 18px 20px; background: #fff8e6; border-left: 4px solid var(--zil-koyu); border-radius: 6px; color: #4d3b0f; max-width: 820px; }

/* Telefon şeridi */
.telefon { background: var(--murekkep); color: #e8f0f7; }
.telefon .ic { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 34px; padding-bottom: 34px; flex-wrap: wrap; }
.telefon b { font: 700 26px/1.2 var(--serif); color: #fff; }

/* Sorular */
.sorular { max-width: 820px; }
.sorular details { border-bottom: 1px solid var(--cizgi); }
.sorular summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 600; font-size: 18px; position: relative; }
.sorular summary::-webkit-details-marker { display: none; }
.sorular summary::after { content: "+"; position: absolute; right: 6px; top: 14px; font: 400 28px/1 var(--sans); color: var(--lacivert); transition: transform 0.2s ease; }
.sorular details[open] summary::after { transform: rotate(45deg); }
.sorular details p { padding: 0 0 22px; color: #3b5468; max-width: 70ch; }
.sorular details p + p { margin-top: -10px; }

/* Düz metin sayfaları (hakkında, yasal) */
.metin { max-width: 760px; padding: clamp(40px, 6vw, 80px) 0 clamp(64px, 8vw, 110px); }
.metin h1 { font-size: clamp(34px, 4.6vw, 50px); margin-bottom: 24px; }
.metin h2 { font-size: 26px; margin: 40px 0 12px; }
.metin p, .metin li { color: #2f4a5f; }
.metin p + p { margin-top: 14px; }
.metin ul, .metin ol { padding-left: 22px; }
.metin .tarih { color: var(--soluk); font-size: 15px; margin-bottom: 28px; }
.metin .bos { background: #fff4d6; padding: 0 4px; border-radius: 3px; }

/* Alt bilgi */
.alt { border-top: 1px solid var(--cizgi); padding: 48px 0 56px; font-size: 15px; color: var(--soluk); }
.alt .ic { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.alt h4 { font: 600 15px/1.3 var(--sans); color: var(--murekkep); margin: 0 0 10px; }
.alt ul { list-style: none; padding: 0; margin: 0; }
.alt li + li { margin-top: 6px; }
.alt a { color: var(--soluk); }
.alt a:hover { color: var(--lacivert); }
@media (max-width: 760px) { .alt .ic { grid-template-columns: 1fr; } }

/* Ana sayfa */
.sirket { padding: clamp(56px, 8vw, 110px) 0 clamp(40px, 5vw, 64px); }
.sirket h1 { max-width: 14ch; }
.sirket p { margin-top: 22px; font-size: 20px; max-width: 34em; color: #2b465c; }
.urun { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(28px, 5vw, 64px); align-items: center; background: var(--beyaz); border: 1px solid var(--cizgi); border-radius: 18px; padding: clamp(24px, 4vw, 48px); }
.urun .ad { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.urun .ad img { width: 52px; height: 52px; border-radius: 12px; }
.urun .ad b { font: 700 32px/1 var(--serif); }
.urun p { color: #3b5468; margin-bottom: 24px; }
@media (max-width: 900px) { .urun { grid-template-columns: 1fr; } }

/* Şirket sayfaları (Cascade IT): siyah, beyaz, gri; başlıklar logonun harfiyle */
body.kurum {
  --murekkep: #000000;
  --lacivert: #000000;
  --lacivert-koyu: #3a3a3a;
  --kagit: #f2f2f2;
  --cizgi: #d4d4d4;
  --soluk: #5c5c5c;
  --zil: #8a8a8a;
  --zil-koyu: #000000;
  --serif: "Adventor", "Avant Garde", "Century Gothic", var(--sans);
}
body.kurum h1, body.kurum h2 { letter-spacing: -0.025em; }
body.kurum .ust { background: rgba(242, 242, 242, 0.92); }
body.kurum p, body.kurum .metin p, body.kurum .metin li { color: #2e2e2e; }
body.kurum .sirket p, body.kurum .urun p { color: #3a3a3a; }
.marka-sirket img { width: auto; height: 34px; border-radius: 0; }
/* Ürün sayfalarının üstündeki ince şirket şeridi (ana sayfaya dönüş) */
.kurum-seridi { background: #000; color: #bdbdbd; font: 500 13px/1 var(--sans); }
.kurum-seridi .ic { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 36px; }
.kurum-seridi-logo { display: inline-flex; align-items: center; padding: 6px 0; }
.kurum-seridi-logo img { height: 17px; width: auto; display: block; }
.kurum-seridi nav { display: flex; gap: 18px; }
.kurum-seridi nav a { color: #bdbdbd; text-decoration: none; }
.kurum-seridi nav a:hover, .kurum-seridi-logo:hover { color: #fff; opacity: 0.85; }
@media (max-width: 520px) { .kurum-seridi nav a:not(:first-child) { display: none; } }
.ust .urun-dugme { margin-left: 8px; padding-left: 10px; }
.urun-dugme img { width: 22px; height: 22px; border-radius: 6px; }
@media (max-width: 760px) { .ust .urun-dugme { margin-left: auto; } }
.alt-logo { display: inline-block; margin-bottom: 12px; }
.alt-logo img { height: 28px; width: auto; }
.destek { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.destek .kademe { aspect-ratio: 1; max-width: 340px; justify-self: end; width: 100%; position: relative; }
.destek .kademe span { position: absolute; width: 62%; aspect-ratio: 1; border-radius: 17%; }
.destek .kademe span:nth-child(1) { left: 0; top: 0; background: #c8c8c8; }
.destek .kademe span:nth-child(2) { left: 19%; top: 19%; background: #6e6e6e; }
.destek .kademe span:nth-child(3) { left: 38%; top: 38%; background: #000; }
@media (max-width: 760px) { .destek { grid-template-columns: 1fr; } .destek .kademe { max-width: 200px; justify-self: start; } }
.uruneson { border-top: 1px solid var(--cizgi); }
.uruneson .ic { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding-top: 40px; padding-bottom: 40px; }
.uruneson p { max-width: 640px; color: #3b5468; }