/* Andesis — andesis.com
   Renkler maskottan ve logodan: wordmark mavisi, ayakkabıların güneş sarısı, pelerin kırmızısı, kostümün açık yeşili.
   İmza öğesi: optik form (pembe baskılı kâğıt, kurşun kalemle doldurulan yuvarlaklar). */
:root {
  --mavi: #1f3cf0;
  --mavi-koyu: #13228f;
  --mavi-acik: #eef1ff;
  --sari: #ffcc1f;
  --sari-koyu: #e0a800;
  --kirmizi: #a31621;
  --yesil: #c9f27a;
  --murekkep: #141c44;
  --soluk: #4c557a;
  --cizgi: #d9def2;
  --kagit: #ffffff;
  --form-pembe: #e0476a;
  --form-zemin: #fff4f6;
  --kursun: #23263a;
  --govde: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --baslik: "Baloo 2", "Figtree", system-ui, sans-serif;
  --r: 18px;
  --kenar: clamp(16px, 4vw, 40px);
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--kagit); color: var(--murekkep);
  font: 400 17px/1.6 var(--govde);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--mavi); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--sari); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--baslik); line-height: 1.12; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.3rem; font-weight: 700; }
p { margin: 0 0 1em; }
.kap { width: min(1160px, 100% - 2 * var(--kenar)); margin-inline: auto; }
.dar { max-width: 68ch; }
.gizli-ekran { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- üst çubuk ---------- */
.ust { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cizgi); }
.ust .kap { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.ust .marka { display: flex; align-items: center; gap: 8px; text-decoration: none; margin-right: auto; }
.ust .marka img { height: 38px; width: auto; }
.menu { display: flex; gap: 4px; align-items: center; }
.menu a { color: var(--murekkep); text-decoration: none; font-weight: 600; padding: 8px 12px; border-radius: 999px; }
.menu a:hover { background: var(--mavi-acik); color: var(--mavi-koyu); }
.menu a[aria-current="page"] { color: var(--mavi); }
.menu-ac { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--murekkep); }
@media (max-width: 860px) {
  .menu-ac { display: block; }
  .menu { position: absolute; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; background: #fff;
    border-bottom: 1px solid var(--cizgi); padding: 8px var(--kenar) 16px; display: none; }
  .menu.acik { display: flex; }
  .menu a { padding: 12px; }
}

/* ---------- düğmeler ---------- */
.dugme { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 700 1.05rem/1 var(--govde);
  padding: 15px 24px; border-radius: 999px; text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease; }
.dugme:active { transform: translateY(1px); }
.dugme.sari { background: var(--sari); color: var(--murekkep); box-shadow: 0 4px 0 var(--sari-koyu); }
.dugme.sari:hover { box-shadow: 0 6px 0 var(--sari-koyu); transform: translateY(-2px); }
.dugme.cizgili { border-color: currentColor; color: inherit; background: transparent; }
.dugme.mavi { background: var(--mavi); color: #fff; box-shadow: 0 4px 0 var(--mavi-koyu); }
.dugme.mavi:hover { box-shadow: 0 6px 0 var(--mavi-koyu); transform: translateY(-2px); }
.dugme.kucuk { padding: 10px 16px; font-size: .95rem; }
@media (prefers-reduced-motion: reduce) { .dugme, .dugme:hover { transition: none; transform: none; } }

/* ---------- açılış (hero) ---------- */
.acilis { background: var(--mavi); color: #fff; overflow: hidden; position: relative; }
.acilis::after { /* zemindeki silik optik form ızgarası */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .09;
  background-image: radial-gradient(circle, #fff 2.2px, transparent 2.6px);
  background-size: 34px 30px; mask-image: linear-gradient(90deg, transparent 0 40%, #000 75%); }
.acilis .kap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 32px; align-items: center;
  padding-block: clamp(48px, 8vw, 96px) clamp(56px, 8vw, 110px); position: relative; z-index: 1; }
.acilis h1 { color: #fff; max-width: 14ch; }
.acilis .alt { font-size: 1.2rem; max-width: 46ch; color: #dfe5ff; margin-bottom: 1.6em; }
.acilis .dugmeler { display: flex; flex-wrap: wrap; gap: 14px; }
.acilis .not { margin-top: 18px; font-size: .95rem; color: #c8d1ff; }
.sahne { position: relative; min-height: 470px; }
.sahne .maskot { position: absolute; left: -4%; bottom: -46px; width: 36%; max-width: 230px; z-index: 2;
  filter: drop-shadow(0 18px 24px rgba(5, 12, 70, .35)); }
@media (max-width: 860px) {
  .acilis .kap { grid-template-columns: 1fr; }
  .sahne { min-height: 0; padding-left: 34%; }
  .sahne .maskot { left: -2%; bottom: -30px; width: 38%; }
}

/* ---------- optik form (imza öğesi) ---------- */
.optik { background: var(--form-zemin); color: var(--form-pembe); border-radius: 10px; padding: 18px 18px 14px 22px;
  box-shadow: 0 30px 60px rgba(4, 10, 60, .35); transform: rotate(2.2deg); max-width: 372px; margin-left: auto;
  border-left: 10px solid var(--form-pembe); font: 600 13px/1 var(--govde); }
.optik .baslik { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 2px solid var(--form-pembe);
  padding-bottom: 8px; margin-bottom: 10px; }
.optik .baslik b { font: 800 1.15rem/1 var(--baslik); letter-spacing: .02em; }
.optik .ogrenci { display: grid; grid-template-columns: auto 1fr; gap: 6px 10px; margin-bottom: 12px; align-items: end; }
.optik .ogrenci span:nth-child(even) { border-bottom: 1.5px solid var(--form-pembe); height: 18px; color: var(--kursun);
  font: 500 19px/18px "Caveat", "Segoe Print", "Comic Sans MS", sans-serif; padding-left: 4px; }
.optik ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.optik li { display: grid; grid-template-columns: 22px repeat(5, 1fr); align-items: center; gap: 6px; }
.optik li > span:first-child { text-align: right; padding-right: 4px; }
.optik i { width: 24px; height: 24px; border: 1.8px solid var(--form-pembe); border-radius: 50%; display: grid; place-items: center;
  font: 700 10px/1 var(--govde); font-style: normal; position: relative; justify-self: center; }
.optik i.dolu::after { content: ""; position: absolute; inset: 1px; border-radius: 50%; background: var(--kursun);
  animation: doldur .32s cubic-bezier(.3,.9,.4,1.2) both; animation-delay: calc(var(--s, 0) * 140ms + 500ms); }
@keyframes doldur { from { transform: scale(0); opacity: .4; } to { transform: scale(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .optik i.dolu::after { animation: none; } }
.optik .alt-bilgi { display: flex; justify-content: space-between; margin-top: 12px; padding-top: 8px; border-top: 1.5px dashed var(--form-pembe);
  font-weight: 700; }
.optik .sonuc { color: var(--mavi-koyu); background: var(--yesil); padding: 4px 10px; border-radius: 999px; font-size: 13px;
  animation: belir .4s ease both; animation-delay: 2.1s; }
@keyframes belir { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .optik .sonuc { animation: none; } }

/* ---------- bölümler ---------- */
.bolum { padding-block: clamp(56px, 8vw, 104px); }
.bolum.acik { background: var(--mavi-acik); }
.bolum > .kap > h2 { max-width: 22ch; }
.bolum .giris { font-size: 1.12rem; color: var(--soluk); max-width: 60ch; margin-bottom: 2.2em; }

/* nasıl çalışır: gerçekten sıralı, numara anlamlı */
.adimlar { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: adim; }
.adimlar li { counter-increment: adim; position: relative; padding-top: 64px; }
.adimlar li::before { content: counter(adim); position: absolute; top: 0; left: 0; width: 48px; height: 48px; border-radius: 50%;
  background: var(--kursun); color: #fff; display: grid; place-items: center; font: 800 1.4rem/1 var(--baslik); }
.adimlar li:not(:last-child)::after { content: ""; position: absolute; top: 24px; left: 60px; right: -16px; border-top: 2px dashed var(--cizgi); }
.adimlar p { color: var(--soluk); margin: 0; }
@media (max-width: 760px) { .adimlar { grid-template-columns: 1fr; } .adimlar li::after { display: none; } }

/* özellikler: iki sütunlu liste, kart değil */
.ozellikler { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 56px; margin: 0; padding: 0; list-style: none; }
.ozellikler li { display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: start; }
.ozellikler svg { width: 52px; height: 52px; padding: 12px; border-radius: 16px; background: var(--mavi-acik); color: var(--mavi);
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.bolum.acik .ozellikler li:nth-child(4n+1) svg { background: #fff; }
.ozellikler li:nth-child(4n+2) svg { background: #fff6d6; color: #8a6100; }
.ozellikler li:nth-child(4n+3) svg { background: #effbdc; color: #3f6a07; }
.ozellikler li:nth-child(4n+4) svg { background: #fdecee; color: var(--kirmizi); }
.ozellikler h3 { margin: 4px 0 6px; }
.ozellikler p { margin: 0; color: var(--soluk); }
@media (max-width: 760px) { .ozellikler { grid-template-columns: 1fr; } }

/* fiyatlar */
.fiyatlar { display: grid; grid-template-columns: 1.15fr 1fr; gap: 24px; align-items: stretch; }
.fiyat { border-radius: 26px; padding: 34px; display: flex; flex-direction: column; gap: 6px; }
.fiyat.yeni { background: var(--mavi); color: #fff; position: relative; overflow: hidden; }
.fiyat.yeni img { position: absolute; right: -14px; bottom: -60px; width: 150px; opacity: .95; pointer-events: none; }
.fiyat.yenileme { background: #fff; border: 2px solid var(--cizgi); }
.fiyat .tutar { font: 800 clamp(2.6rem, 5vw, 3.4rem)/1 var(--baslik); margin: 8px 0 0; }
.fiyat .tutar small { font-size: 1.1rem; font-weight: 700; margin-left: 4px; }
.fiyat .kdv { font-size: .95rem; opacity: .8; margin-bottom: 14px; }
.fiyat ul { margin: 0 0 22px; padding-left: 1.2em; max-width: 34ch; }
.fiyat.yeni ul { max-width: 30ch; }
.fiyat li { margin-bottom: 6px; }
.fiyat .dugme { margin-top: auto; align-self: flex-start; }
.deneme-notu { margin-top: 22px; color: var(--soluk); }
@media (max-width: 760px) { .fiyatlar { grid-template-columns: 1fr; } .fiyat.yeni img { width: 110px; } }

/* iletişim şeridi */
.iletisim-serit { background: var(--sari); }
.iletisim-serit .kap { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding-block: 44px; }
.iletisim-serit h2 { margin: 0 0 4px; }
.iletisim-serit p { margin: 0; }
.iletisim-serit .dugmeler { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 760px) { .iletisim-serit .kap { grid-template-columns: 1fr; } }

/* iç sayfalar */
.sayfa-bas { background: var(--mavi); color: #fff; }
.sayfa-bas .kap { padding-block: 52px 46px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.sayfa-bas h1 { color: #fff; font-size: clamp(2rem, 4.6vw, 3.2rem); margin: 0 0 .2em; }
.sayfa-bas p { color: #dfe5ff; margin: 0; max-width: 56ch; font-size: 1.1rem; }
.sayfa-bas img { width: 120px; margin-bottom: -46px; flex: none; }
@media (max-width: 640px) { .sayfa-bas img { display: none; } }
.icerik { padding-block: 48px 80px; }
.icerik h2 { font-size: 1.7rem; margin-top: 1.6em; }
.icerik h2:first-child { margin-top: 0; }
.icerik ol, .icerik ul { padding-left: 1.3em; }
.icerik li { margin-bottom: .45em; }
.iki-sutun { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 48px; align-items: start; }
@media (max-width: 860px) { .iki-sutun { grid-template-columns: 1fr; } }
.kutu { background: var(--mavi-acik); border-radius: var(--r); padding: 26px; }
.kutu.sari { background: #fff6d6; }

/* indir */
.indir-kutu { background: #fff; border: 2px solid var(--cizgi); border-radius: 24px; padding: 30px; display: grid; gap: 10px; }
.indir-kutu .surum { font: 700 1.05rem/1.3 var(--govde); color: var(--soluk); }
.indir-kutu .notlar { white-space: pre-line; color: var(--soluk); font-size: .95rem; margin: 6px 0 0; }
.gereksinim { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.gereksinim li { padding-left: 30px; position: relative; }
.gereksinim li::before { content: ""; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--kursun); box-shadow: 0 0 0 3px var(--form-zemin), 0 0 0 4.5px var(--form-pembe); }

/* lisans: ürün no formu */
.urun-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; margin-top: 12px; }
.urun-form label { display: block; font-weight: 700; margin-bottom: 6px; width: 100%; }
.urun-form input { font: 700 1.4rem/1 ui-monospace, Consolas, monospace; letter-spacing: .12em; padding: 13px 16px; border-radius: 14px;
  border: 2px solid var(--cizgi); width: min(260px, 100%); color: var(--murekkep); }
.urun-form input:focus { border-color: var(--mavi); outline: none; box-shadow: 0 0 0 4px rgba(31,60,240,.15); }
.hata-yazi { color: var(--kirmizi); font-weight: 600; min-height: 1.4em; margin: 8px 0 0; }

/* destek */
.kisiler { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin: 0 0 40px; }
.kisi { border: 2px solid var(--cizgi); border-radius: var(--r); padding: 22px; text-decoration: none; color: inherit; display: block; }
a.kisi:hover { border-color: var(--mavi); }
.kisi span { display: block; color: var(--soluk); font-weight: 600; margin-bottom: 4px; }
.kisi b { font: 800 1.35rem/1.25 var(--baslik); color: var(--mavi-koyu); overflow-wrap: anywhere; }
.kisi small { display: block; color: var(--soluk); margin-top: 6px; font-size: .9rem; }
.sss details { border-bottom: 1px solid var(--cizgi); padding: 16px 0; }
.sss summary { font-weight: 700; cursor: pointer; font-size: 1.08rem; list-style-position: outside; }
.sss details p { margin: 10px 0 0; color: var(--soluk); max-width: 68ch; }

/* yasal metinler */
.yasal { max-width: 78ch; }
.yasal h2 { font-size: 1.35rem; }
.yasal p, .yasal li { color: #2a3256; }
.taslak-notu { background: #fff6d6; border-left: 6px solid var(--sari-koyu); padding: 14px 18px; border-radius: 10px; margin-bottom: 28px; }
.doldur { background: #ffe680; padding: 0 4px; border-radius: 4px; }

/* alt bilgi */
.alt-bilgi-site { background: var(--murekkep); color: #c6cbe6; padding-block: 52px 30px; font-size: .97rem; }
.alt-bilgi-site .kap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.alt-bilgi-site h3 { color: #fff; font: 700 1.05rem/1.3 var(--govde); margin-bottom: 12px; }
.alt-bilgi-site a { color: #fff; text-decoration: none; }
.alt-bilgi-site a:hover { text-decoration: underline; }
.alt-bilgi-site ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.alt-bilgi-site img { height: 40px; width: auto; margin-bottom: 14px; filter: brightness(0) invert(1); }
.alt-bilgi-site .telif { grid-column: 1 / -1; border-top: 1px solid #2b3466; padding-top: 18px; margin-top: 8px; font-size: .88rem; }
@media (max-width: 760px) { .alt-bilgi-site .kap { grid-template-columns: 1fr; } }

/* İndir: eski programlar (Andesis İlköğretim / Lise) */
.eski-izgara { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 14px 0 10px; }
.eski-kart { background: #fff; border: 2px solid var(--cizgi); border-radius: 18px; padding: 18px 20px; display: grid; gap: 6px; align-content: start; }
.eski-kart h3 { margin: 0; }
.eski-kart p { margin: 0 0 6px; color: var(--soluk); font-size: .95rem; }
.eski-kart .dugme { justify-self: start; }
.eski-not { color: var(--soluk); font-size: .95rem; }

/* Arama için içerik sayfaları */
.acilis h1 .ust-etiket { display: block; font: 700 1rem/1.3 var(--govde); letter-spacing: .06em; text-transform: uppercase; color: var(--sari, #ffd23f); margin-bottom: .5em; }
.yazi { max-width: 72ch; }
.yazi h2 { font-size: 1.55rem; }
.yazi p, .yazi li { line-height: 1.7; }
.yazi .sss { margin-top: 2.4em; }
.yapiskan { position: sticky; top: 96px; }
.tablo-kap { overflow-x: auto; margin: 1em 0; }
table.karsilastir { width: 100%; border-collapse: collapse; font-size: .97rem; background: #fff; border-radius: 14px; overflow: hidden; }
table.karsilastir th, table.karsilastir td { padding: 10px 12px; border-bottom: 1px solid var(--cizgi); text-align: left; vertical-align: top; }
table.karsilastir thead th { background: var(--mavi-acik); }
table.karsilastir tbody td:last-child { font-weight: 600; color: var(--mavi); }
.diger { margin-top: 2em; color: var(--soluk); }
.cozumler { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cozum { display: grid; gap: 8px; align-content: start; background: #fff; border: 2px solid var(--cizgi); border-radius: var(--r); padding: 24px; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.cozum:hover { border-color: var(--mavi); transform: translateY(-2px); }
.cozum h3 { margin: 0; }
.cozum p { margin: 0; color: var(--soluk); }
.cozum span { color: var(--mavi); font-weight: 700; }
@media (max-width: 860px) { .cozumler { grid-template-columns: 1fr; } .yapiskan { position: static; } }