/* =========================================================
   Adım Özel Öğretim Kursu — Anasayfa
   Renk: siyah / beyaz / gri (#111, #888). Yazı: Inter Tight + Satoshi (butonlar)
   ========================================================= */

:root {
  --black: #111;
  --white: #fff;
  --gray: #888;
  --line: #e6e6e6;
  --f-display: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-text: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-button: "Satoshi", "Inter", system-ui, sans-serif;
  --pad: 72px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-text);
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -.01em;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* Tam ekran arka plan görseli + koyu kaplama */
.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }

/* ---------- Pill button (beyaz kapsül + siyah nokta) ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 12px;
  height: 42px; padding: 0 20px 0 16px;
  background: var(--white); color: var(--black);
  border-radius: 999px;
  font-family: var(--f-button); font-size: 16px; font-weight: 500; letter-spacing: 0;
  transition: transform .25s var(--ease), background .25s;
}
.pill i { width: 10px; height: 10px; border-radius: 50%; background: var(--black); transition: transform .25s var(--ease); }
.pill:hover { transform: translateY(-2px); }
.pill:hover i { transform: scale(1.3); }
.pills { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center;
  height: 84px; padding: 0 39px 0 36px;
  color: var(--white);
  transition: background .35s, height .35s, backdrop-filter .35s;
}
.header.is-scrolled {
  height: 68px;
  background: rgba(17, 17, 17, .72);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
}
.logo { font-family: var(--f-display); font-size: 28px; font-weight: 500; letter-spacing: -.02em; }
.nav { display: flex; gap: 20px; margin-left: 42px; }
.nav a { font-size: 14px; opacity: .95; transition: opacity .2s; }
.nav a:hover { opacity: .6; }
.header__cta {
  margin-left: auto;
  display: inline-flex; align-items: center; height: 36px; padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-family: "Inter", sans-serif; font-size: 14px; font-weight: 500;
  transition: background .25s;
}
.header__cta:hover { background: rgba(255, 255, 255, .3); }
.burger { display: none; width: 40px; height: 40px; margin-left: 12px; position: relative; }
.burger span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: currentColor; transition: .3s; }
.burger span:first-child { top: 16px; }
.burger span:last-child { top: 23px; }
.burger.is-open span:first-child { top: 19.5px; transform: rotate(45deg); }
.burger.is-open span:last-child { top: 19.5px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; height: 100vh; min-height: 680px; max-height: 1000px;
  color: var(--white); overflow: hidden; background: var(--black);
}
.hero .bg { animation: zoom 14s var(--ease) both; }
.hero::after, .testimonial::after, .contact::after, .cta::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,.25) 45%, rgba(0,0,0,.6) 100%);
}
@keyframes zoom { from { transform: scale(1.08); } to { transform: none; } }
.hero__inner {
  position: absolute; inset: auto 0 53px 0; z-index: 2;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 40px;
  padding: 0 39px 0 var(--pad);
}
.hero__title { font-family: var(--f-display); font-size: 88px; font-weight: 500; line-height: 1; letter-spacing: -.035em; }
.hero__side { width: 404px; padding-bottom: 6px; }
.hero__side p { font-size: 24px; line-height: 1.2; margin-bottom: 24px; }

/* ---------- Values ---------- */
.values {
  display: grid; grid-template-columns: repeat(3, 1fr);
  height: 130px; align-items: center;
}
.values span {
  text-align: center; font-family: var(--f-display); font-size: 40px; line-height: 1.2; color: var(--gray);
  letter-spacing: -.02em;
}
.values span + span { border-left: 1.5px solid #ddd; }

/* ---------- Split (Vision / Director) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; height: 748px; background: var(--black); color: var(--white); }
.split__text { display: grid; place-items: center; padding: 40px; text-align: center; }
.split__text > div { max-width: 432px; }
.split__text h3 { font-size: 18px; font-weight: 600; margin-bottom: 14px; letter-spacing: -.01em; }
.split__text p { font-size: 20px; line-height: 1.2; margin-bottom: 26px; letter-spacing: -.015em; }
.split__media { position: relative; overflow: hidden; }
.split__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.split__media:hover img { transform: scale(1.04); }
.split__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.15) 40%, rgba(0,0,0,.65) 100%); }
.split__media figcaption {
  position: absolute; z-index: 1; left: 0; right: 0; bottom: 42px;
  text-align: center; font-size: 40px; line-height: 1.2; letter-spacing: -.025em;
}

/* ---------- Bant başlıklar ---------- */
.band {
  height: 120px; display: grid; place-items: center; text-align: center;
  font-family: var(--f-display); font-size: 40px; font-weight: 400; line-height: 1.2;
  color: var(--gray); letter-spacing: -.025em; padding: 0 20px;
}

/* ---------- Programs ---------- */
.programs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.program { position: relative; height: 757px; overflow: hidden; color: var(--white); background: var(--black); }
.program img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease), filter .6s; filter: brightness(.82); }
.program::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 45%, rgba(0,0,0,.8) 100%); }
.program:hover img { transform: scale(1.05); filter: brightness(.95); }
.program__arrow {
  position: absolute; z-index: 2; top: 20px; right: 20px;
  width: 36px; height: 36px; border-radius: 3px;
  background: rgba(255, 255, 255, .22); backdrop-filter: blur(6px);
  display: grid; place-items: center; transition: background .25s, color .25s;
}
.program__arrow svg { width: 13px; height: 13px; }
.program:hover .program__arrow { background: var(--white); color: var(--black); }
.program__body { position: absolute; z-index: 2; left: 32px; right: 32px; bottom: 34px; }
.tag { display: inline-block; background: var(--white); color: var(--black); font-size: 14px; padding: 5px 8px; border-radius: 2px; margin-bottom: 10px; }
.program h3 { font-size: 32px; font-weight: 400; line-height: 1.2; margin-bottom: 10px; letter-spacing: -.02em; }
.program p { font-size: 14px; line-height: 1.2; max-width: 400px; opacity: .92; }

/* ---------- Add-ons ---------- */
.addons { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 100px; padding: 0 24px; }
.addons h2 { font-size: 40px; font-weight: 400; color: var(--gray); letter-spacing: -.025em; white-space: nowrap; }
.addons__list { display: flex; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
.addons__list span {
  display: inline-flex; align-items: center; height: 41px; padding: 0 16px;
  background: var(--black); color: var(--white); border-radius: 3px; font-size: 18px; letter-spacing: -.01em;
  transition: background .25s;
}
.addons__list span:hover { background: #333; }

/* ---------- Testimonial ---------- */
.testimonial { position: relative; height: 777px; color: var(--white); overflow: hidden; background: var(--black); }
.testimonial__inner {
  position: relative; z-index: 2; height: 100%;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; padding: 0 72px;
}
.badge {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 7px 18px 7px 8px; border-radius: 4px;
  background: rgba(255, 255, 255, .2); backdrop-filter: blur(10px);
  font-size: 24px; letter-spacing: -.02em; margin-bottom: 18px;
}
.badge i { width: 30px; height: 30px; border-radius: 3px; background: var(--black); display: grid; place-items: center; }
.badge svg { width: 13px; height: 13px; }
.testimonial h2 { font-size: 80px; font-weight: 400; line-height: 1.2; letter-spacing: -.035em; }
.quotes { padding-left: 10px; }
.quotes__mark { width: 40px; color: rgba(255, 255, 255, .7); margin-bottom: 26px; }
.quotes__track { display: grid; }
.quotes blockquote { grid-area: 1 / 1; opacity: 0; transform: translateY(12px); transition: opacity .3s, transform .3s; pointer-events: none; }
.quotes blockquote.is-active { opacity: 1; transform: none; pointer-events: auto; transition-duration: .5s; transition-delay: .3s; }
.quotes p { font-size: 32px; font-weight: 300; line-height: 1.2; letter-spacing: -.03em; margin-bottom: 14px; }
.quotes cite { font-style: normal; font-size: 32px; letter-spacing: -.03em; }
.quotes__nav { display: flex; justify-content: flex-end; gap: 10px; margin-top: -36px; }
.quotes__nav button { width: 32px; height: 32px; transition: opacity .2s; }
.quotes__nav button:hover { opacity: .6; }

/* ---------- Contact ---------- */
.contact { position: relative; min-height: 777px; color: var(--white); overflow: hidden; background: var(--black); }
.contact__inner {
  position: relative; z-index: 2; min-height: 777px;
  display: grid; grid-template-columns: 1fr 518px; align-items: center; gap: 40px;
  padding: 80px 74px 80px 72px;
}
.contact__intro { align-self: end; padding-bottom: 60px; }
.contact__intro h3 { font-size: 18px; font-weight: 600; color: rgba(255,255,255,.85); margin-bottom: 14px; }
.contact__intro h2 { font-size: 80px; font-weight: 400; line-height: 1.2; letter-spacing: -.035em; }
.form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px 10px;
  padding: 22px 16px 16px; border-radius: 12px;
  background: rgba(20, 20, 20, .45); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.form label { display: grid; gap: 10px; font-size: 12px; }
.form .full { grid-column: 1 / -1; }
.form input, .form select, .form textarea {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 4px;
  background: rgba(255, 255, 255, .12); color: var(--white);
  font: 400 14px "Inter", sans-serif; outline: none; transition: border-color .2s, background .2s;
}
.form textarea { height: auto; padding: 12px; resize: vertical; }
.form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' fill='none' stroke='white' stroke-width='1.3'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 12px; }
.form select option { color: var(--black); }
.form input::placeholder, .form textarea::placeholder { color: rgba(255, 255, 255, .7); }
.form input:focus, .form select:focus, .form textarea:focus { border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .16); }
.form button[type="submit"] {
  height: 40px; border-radius: 4px; background: var(--white); color: var(--black);
  font: 500 14px "Inter", sans-serif; transition: opacity .2s;
}
.form button[type="submit"]:hover { opacity: .88; }

/* ---------- Team ---------- */
.team { background: var(--black); color: var(--white); margin: 28px 0; padding: 26px 0 10px; overflow: hidden; }
.team h2 { text-align: center; font-size: 40px; font-weight: 500; letter-spacing: -.025em; margin-bottom: 24px; }
.team__viewport { overflow: hidden; }
.team__track { display: flex; gap: 24px; width: max-content; animation: marquee 38s linear infinite; }
.team__viewport:hover .team__track { animation-play-state: paused; }
.team figure { position: relative; width: 382px; height: 316px; flex: none; overflow: hidden; }
.team img { width: 100%; height: 100%; object-fit: cover; object-position: center 25%; }
.team figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 24px 22px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.78) 100%);
  display: grid; gap: 8px;
}
.team b { font-size: 18px; font-weight: 400; letter-spacing: .01em; }
.team figcaption span { font-size: 14px; letter-spacing: .02em; opacity: .9; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- CTA ---------- */
.cta { position: relative; height: 644px; color: var(--white); overflow: hidden; background: var(--black); }
.cta__inner {
  position: relative; z-index: 2; height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  padding: 0 90px 0 72px;
}
.cta h2 { font-size: 80px; font-weight: 400; line-height: 1.2; letter-spacing: -.035em; }
.cta__side { width: 452px; }
.cta__side p { font-size: 20px; line-height: 1.2; margin-bottom: 18px; }
.cta__side .pills { justify-content: flex-start; }

/* ---------- Footer ---------- */
.footer { padding: 34px 48px 22px; }
.footer__top { display: flex; justify-content: space-between; gap: 40px; }
.footer__logo { font-family: var(--f-display); font-size: 36px; font-weight: 500; letter-spacing: -.03em; margin-bottom: 48px; }
.footer__addr { display: flex; align-items: center; gap: 10px; }
.footer__addr p { font-size: 14px; line-height: 1.25; max-width: 340px; }
.pin { width: 40px; height: 40px; border-radius: 4px; background: #f2f2f2; display: grid; place-items: center; transition: background .2s; }
.pin svg { width: 18px; height: 18px; }
.pin:hover { background: #e4e4e4; }
.footer__cols { display: grid; grid-template-columns: 150px 170px 190px auto; gap: 0; padding-top: 14px; }
.footer__cols h4 { font-size: 12px; font-weight: 400; color: var(--gray); margin: 0 0 14px; }
.footer__cols a { display: block; font-size: 14px; margin-bottom: 9px; transition: opacity .2s; }
.footer__cols a:hover { opacity: .55; }
.ico { display: flex !important; align-items: center; gap: 8px; }
.ico i { width: 18px; height: 18px; border-radius: 50%; background: var(--black); color: var(--white); display: grid; place-items: center; }
.ico svg { width: 10px; height: 10px; }
.footer__bottom { display: flex; justify-content: space-between; margin-top: 44px; font-size: 12px; font-weight: 500; color: var(--gray); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1200px) {
  .hero__title { font-size: 72px; }
  .testimonial h2, .contact__intro h2, .cta h2 { font-size: 64px; }
  .addons { height: auto; padding: 24px; flex-direction: column; align-items: flex-start; }
  .addons__list { justify-content: flex-start; }
  .footer__top { flex-direction: column; }
}

@media (max-width: 900px) {
  :root { --pad: 20px; }
  .nav, .header__cta { display: none; }
  .burger { display: block; margin-left: auto; }
  .header { padding: 0 16px 0 20px; height: 68px; }
  .nav.is-open {
    display: flex; flex-direction: column; gap: 20px;
    position: fixed; top: 68px; left: 0; right: 0; margin: 0; padding: 26px 20px 30px;
    background: rgba(17,17,17,.95); backdrop-filter: blur(16px);
  }
  .nav.is-open a { font-size: 20px; }
  .header.is-open { background: rgba(17,17,17,.95); }

  .hero__inner { flex-direction: column; align-items: flex-start; padding: 0 20px; bottom: 40px; }
  .hero__title { font-size: 46px; }
  .hero__side { width: auto; }
  .hero__side p { font-size: 18px; }

  .values { height: 90px; }
  .values span { font-size: 20px; }

  .split { grid-template-columns: 1fr; height: auto; }
  .split__text { padding: 70px 24px; }
  .split__text p { font-size: 18px; }
  .split__media { height: 480px; }
  .split__media figcaption { font-size: 28px; }

  .band { height: 90px; font-size: 26px; }
  .programs { grid-template-columns: 1fr; }
  .program { height: 520px; }
  .addons h2 { font-size: 26px; }
  .addons__list span { font-size: 14px; height: 36px; }

  .testimonial { height: auto; }
  .testimonial__inner { grid-template-columns: 1fr; gap: 50px; padding: 100px 20px; }
  .testimonial h2, .contact__intro h2, .cta h2 { font-size: 42px; }
  .badge { font-size: 16px; }
  .quotes p, .quotes cite { font-size: 22px; }
  .quotes__nav { margin-top: 20px; justify-content: flex-start; }

  .contact__inner { grid-template-columns: 1fr; padding: 90px 20px; }
  .contact__intro { padding-bottom: 0; }

  .team figure { width: 280px; height: 240px; }
  .team h2 { font-size: 28px; }

  .cta { height: auto; }
  .cta__inner { flex-direction: column; align-items: flex-start; padding: 110px 20px; }
  .cta__side { width: auto; }
  .cta__side p { font-size: 18px; }

  .footer { padding: 34px 20px 100px; }
  .footer__cols { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer__bottom { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}
