/* mavi-beyaz: mavi tonlar sakinlik ve güven hissiyle ilişkilendirilir */
:root {
  --beyaz: #ffffff;
  --sis: #f4f8fc;
  --gok: #e3eef8;
  --acik: #b9d3ec;
  --mavi: #4a7fb5;
  --lacivert: #1d3557;
  --metin: #2a3a4f;
  --soluk: #61728a;
  --font: "Manrope", system-ui, sans-serif;
  --serif: "Cormorant Garamond", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { background: var(--beyaz); color: var(--metin); font: 400 16.5px/1.75 var(--font); }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-weight: 600; line-height: 1.2; color: var(--lacivert); letter-spacing: -.02em; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.01em; line-height: 1.08; }
h1 { font-size: clamp(2.7rem, 5.2vw, 4.4rem); }
h2 { font-size: clamp(2.1rem, 3.6vw, 3rem); margin-bottom: 1.2rem; }
h3 { font-size: 1.15rem; margin-bottom: .5rem; }
section { padding: clamp(4rem, 9vw, 7rem) clamp(1.25rem, 6vw, 6rem); }
.ust-baslik {
  display: inline-block; font-size: .8rem; font-weight: 600; color: var(--mavi);
  background: var(--gok); padding: .35rem .9rem; border-radius: 999px; margin-bottom: 1.2rem;
}

/* üst bar */
.ust {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  padding: .9rem clamp(1.25rem, 6vw, 6rem);
  background: rgba(255, 255, 255, .9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gok);
}
.logo { font-family: var(--serif); font-size: 1.45rem; font-weight: 600; color: var(--lacivert); line-height: 1.2; letter-spacing: -.01em; }
.logo span { display: block; font-family: var(--font); font-size: .7rem; font-weight: 500; letter-spacing: .08em; color: var(--mavi); }
.ust nav { display: flex; gap: .4rem; font-size: .92rem; font-weight: 500; }
.ust nav a { padding: .45rem .9rem; border-radius: 999px; transition: background .2s; }
.ust nav a:hover { background: var(--sis); color: var(--mavi); }

.dugme {
  display: inline-block; padding: .9rem 1.7rem; border-radius: 14px;
  background: var(--mavi); color: var(--beyaz); font-size: .95rem; font-weight: 600;
  border: 1px solid var(--mavi); transition: background .25s, transform .25s;
  box-shadow: 0 10px 24px -12px rgba(74, 127, 181, .7);
}
.dugme:hover { background: var(--lacivert); border-color: var(--lacivert); transform: translateY(-2px); }
.dugme.cizgi { background: var(--beyaz); color: var(--lacivert); border-color: var(--acik); box-shadow: none; }
.dugme.cizgi:hover { background: var(--sis); }
.dugme.kucuk { padding: .55rem 1.2rem; font-size: .88rem; border-radius: 12px; }
.dugmeler { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

/* giriş: açık mavi kutu, foto solda */
.giris { padding-top: clamp(1.25rem, 3vw, 2rem); }
.giris-kutu {
  display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 5vw, 5rem); align-items: center;
  background: linear-gradient(135deg, var(--gok) 0%, var(--sis) 55%, var(--beyaz) 100%);
  border-radius: 32px; padding: clamp(1.25rem, 3vw, 2.5rem);
}
.giris-alt { font-size: 1.08rem; color: var(--soluk); max-width: 34rem; margin-top: 1.3rem; }
.portre, .foto { overflow: hidden; background: linear-gradient(160deg, var(--gok), var(--acik)); }
.portre { position: relative; aspect-ratio: 4 / 5; border-radius: 24px; }
.portre img { object-position: 38% 20%; }
.portre figcaption {
  position: absolute; left: 1rem; bottom: 1rem; display: flex; align-items: center; gap: .55rem;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px);
  padding: .55rem 1rem; border-radius: 999px; font-size: .85rem; font-weight: 600; color: var(--lacivert);
}
.nokta { width: 8px; height: 8px; border-radius: 50%; background: #3fb68b; box-shadow: 0 0 0 4px rgba(63, 182, 139, .2); }
.etiketler { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.2rem; }
.etiketler li { font-size: .82rem; color: var(--soluk); border: 1px solid var(--acik); padding: .3rem .8rem; border-radius: 999px; background: rgba(255, 255, 255, .6); }

/* alıntı */
.alinti { text-align: center; }
.alinti p { font-family: var(--serif); font-style: italic; font-size: clamp(1.7rem, 3.1vw, 2.6rem); font-weight: 500; line-height: 1.45; color: var(--lacivert); max-width: 50rem; margin: 0 auto; letter-spacing: -.02em; }
.alinti span { display: block; margin-top: 1.3rem; font-size: .9rem; color: var(--mavi); font-weight: 600; }

/* hakkımda */
.hakkimda { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; background: var(--sis); }
.hakkimda .foto { aspect-ratio: 4 / 5; border-radius: 24px; }
.hakkimda p + p { margin-top: 1rem; }
.rakamlar { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.2rem; }
.rakamlar li { background: var(--beyaz); border-radius: 18px; padding: 1.2rem; }
.rakamlar strong { display: block; font-size: 2rem; font-weight: 700; line-height: 1.1; color: var(--mavi); }
.rakamlar span { font-size: .85rem; color: var(--soluk); }

/* çalışma alanları */
.kartlar { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.25rem; margin-top: 2.5rem; }
.kartlar article {
  background: var(--beyaz); padding: 2rem; border-radius: 22px; border: 1px solid var(--gok);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.kartlar article:hover { transform: translateY(-4px); border-color: var(--acik); box-shadow: 0 22px 44px -26px rgba(29, 53, 87, .35); }
.kartlar p { font-size: .95rem; color: var(--soluk); }
.no { display: grid; place-items: center; width: 2.6rem; height: 2.6rem; border-radius: 12px; background: var(--gok); color: var(--mavi); font-size: .85rem; font-weight: 700; margin-bottom: 1.2rem; }
.kartlar .vurgulu { background: var(--lacivert); border-color: var(--lacivert); }
.vurgulu .no { background: rgba(255, 255, 255, .12); color: var(--acik); }
.vurgulu h3, .vurgulu p { color: var(--beyaz); }
.vurgulu a { display: inline-block; margin-top: 1.2rem; color: var(--acik); font-size: .92rem; font-weight: 600; }

/* eğitim */
.egitim { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); background: var(--sis); }
.zaman { list-style: none; display: grid; gap: 1rem; }
.zaman li { background: var(--beyaz); border-radius: 18px; padding: 1.3rem 1.5rem; border-left: 4px solid var(--acik); }
.zaman span { font-size: .78rem; font-weight: 600; color: var(--mavi); }
.zaman p { color: var(--soluk); font-size: .95rem; }

/* süreç */
.adimlar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
.adimlar > div { padding: 2rem; border-radius: 22px; background: linear-gradient(180deg, var(--sis), var(--beyaz)); border: 1px solid var(--gok); }
.adimlar span { display: grid; place-items: center; width: 2.8rem; height: 2.8rem; border-radius: 50%; background: var(--mavi); color: var(--beyaz); font-weight: 700; margin-bottom: 1.2rem; }
.adimlar p { color: var(--soluk); font-size: .95rem; }

/* iletişim */
.iletisim { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; background: var(--lacivert); }
.iletisim h2 { color: var(--beyaz); }
.iletisim .ust-baslik { background: rgba(255, 255, 255, .1); color: var(--acik); }
.iletisim > div p:last-child { color: var(--acik); max-width: 26rem; }
.iletisim-liste { list-style: none; display: grid; gap: .8rem; }
.iletisim-liste li { padding: 1.1rem 1.4rem; border-radius: 16px; background: rgba(255, 255, 255, .07); }
.iletisim-liste li > span { display: block; font-size: .78rem; font-weight: 600; color: var(--acik); }
.iletisim-liste a, .iletisim-liste p { font-size: 1.1rem; font-weight: 500; color: var(--beyaz); }
.iletisim-liste a:hover { color: var(--acik); }

/* destek verilen konular */
.konular { margin-top: 2.5rem; padding: 2rem; border-radius: 22px; background: var(--sis); }
.konular ul { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.konular li { font-size: .88rem; color: var(--metin); background: var(--beyaz); border: 1px solid var(--gok); padding: .35rem .9rem; border-radius: 999px; }

/* sss */
.sss { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); }
.sorular { display: grid; gap: .8rem; }
.sorular details { border: 1px solid var(--gok); border-radius: 18px; padding: 1.1rem 1.4rem; background: var(--beyaz); }
.sorular details[open] { border-color: var(--acik); background: var(--sis); }
.sorular summary { cursor: pointer; font-weight: 600; color: var(--lacivert); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.sorular summary::-webkit-details-marker { display: none; }
.sorular summary::after { content: '+'; color: var(--mavi); font-size: 1.3rem; line-height: 1.2; transition: transform .2s; }
.sorular details[open] summary::after { transform: rotate(45deg); }
.sorular p { margin-top: .7rem; color: var(--soluk); font-size: .95rem; }

footer { background: #16294a; color: var(--acik); text-align: center; padding: 2rem 1.25rem; font-size: .85rem; }
footer .not { margin-top: .4rem; font-size: .78rem; opacity: .75; }

/* sabit WhatsApp düğmesi */
.wa {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 20;
  padding: .85rem 1.3rem; border-radius: 999px; background: var(--mavi); color: var(--beyaz);
  font-size: .9rem; font-weight: 600; box-shadow: 0 14px 30px -12px rgba(29, 53, 87, .6); transition: background .25s;
}
.wa:hover { background: var(--lacivert); }

/* erişilebilirlik */
:focus-visible { outline: 2px solid var(--mavi); outline-offset: 3px; border-radius: 6px; }
.atla { position: absolute; left: 1rem; top: -4rem; z-index: 30; background: var(--lacivert); color: var(--beyaz); padding: .6rem 1rem; border-radius: 10px; }
.atla:focus { top: 1rem; }

/* kayarak belirme */
.belir { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.belir.gorundu { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .belir { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 860px) {
  /* menü gizlenmez, ikinci satırda kaydırılabilir olur */
  .ust { flex-wrap: wrap; gap: .5rem 1rem; padding-bottom: .5rem; }
  .ust nav { order: 3; width: 100%; overflow-x: auto; scrollbar-width: none; margin: 0 -.6rem; }
  .ust nav a { white-space: nowrap; }
  html { scroll-padding-top: 120px; }
  .giris-kutu, .hakkimda, .egitim, .iletisim, .adimlar, .sss { grid-template-columns: 1fr; }
  .portre { max-width: 460px; width: 100%; justify-self: center; }
  .hakkimda .foto { display: none; }
}