:root {
  --blue: #0b3cb8;
  --navy: #08153a;
  --yellow: #ffc61a;
  --bg: #f5f7fc;
  --white: #ffffff;
  --tint: #e6ecf9;
  --photo-bg: #e2e8f6;
  --line: #dde3ef;
  --line-strong: #d3dbec;
  --text-2: #4a5878;
  --text-3: #3a4766;
  --muted: #6b7899;
  --muted-2: #8a94ad;
  --pad-section: clamp(64px, 10vw, 120px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--navy);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--blue); }
a:hover { color: var(--navy); }
::selection { background: var(--yellow); color: var(--navy); }
img { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; }
[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Layout helpers ---------- */
.container { max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.section { padding-top: var(--pad-section); padding-bottom: var(--pad-section); }
.section-flush-top { padding-top: 0; }
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: clamp(40px, 6vw, 72px);
}
.stack-12, .stack-20, .stack-24, .stack-28, .stack-32 { display: flex; flex-direction: column; }
.stack-12 { gap: 12px; }
.stack-20 { gap: 20px; }
.stack-24 { gap: 24px; }
.stack-28 { gap: 28px; }
.stack-32 { gap: 32px; }
.align-start { align-self: flex-start; margin-top: 8px; }
.align-start-items { align-items: flex-start; }
.balance { text-wrap: balance; }
.accent { color: var(--blue); }
.band-white { background: var(--white); }
.band-yellow { background: var(--yellow); }

.kicker { font-size: 14px; font-weight: 600; color: var(--blue); }
.kicker-dark { color: var(--navy); }

h2 {
  font-weight: 800;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  border-radius: 999px;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-sm { padding: 10px 20px; }
.btn-md { padding: 14px 24px; }
.btn-lg { padding: 15px 26px; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--navy); color: var(--white); }
.btn-ghost { color: var(--navy); padding-left: 22px; padding-right: 22px; }
.btn-ghost:hover { background: var(--tint); color: var(--navy); }
.btn-yellow { background: var(--yellow); color: var(--navy); font-weight: 700; }
.btn-yellow:hover { background: var(--navy); color: var(--yellow); }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--blue); color: var(--white); }
.btn-outline { color: var(--navy); padding: 12px 22px; border: 2px solid var(--line-strong); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.btn-row-28 { margin-top: 28px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(245, 247, 252, .9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.header-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.brand:hover { color: var(--navy); }
.brand-logo { height: 36px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-weight: 700; font-size: 15px; }
.brand-sub { font-size: 12px; font-weight: 500; color: var(--muted); }

.nav-link { color: var(--text-3); text-decoration: none; }
.nav-link:hover { color: var(--blue); }

.nav-desktop {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 15px;
  font-weight: 500;
}
.nav-mobile-actions { margin-left: auto; display: none; align-items: center; gap: 8px; }
.nav-mobile-actions .btn { padding: 10px 18px; font-size: 14px; }
.menu-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--tint);
  color: var(--navy);
  cursor: pointer;
  display: grid;
  place-items: center;
  font: inherit;
  font-size: 20px;
  font-weight: 700;
}
.nav-mobile {
  display: flex;
  flex-direction: column;
  padding: 4px 24px 20px;
  font-size: 20px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}
.nav-mobile a { color: var(--navy); text-decoration: none; padding: 14px 0; border-bottom: 1px solid var(--line); }
.nav-mobile a:last-child { border-bottom: 0; }

@media (max-width: 819px) {
  .nav-desktop { display: none; }
  .nav-mobile-actions { display: flex; }
}
@media (min-width: 820px) {
  .nav-mobile { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(32px, 6vw, 72px);
  padding-bottom: clamp(64px, 10vw, 120px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}
.hero-copy { display: flex; flex-direction: column; gap: 24px; }
.greeting { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; color: var(--blue); }
.greeting-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  animation: ping 1.6s infinite;
}
.greeting-word { min-width: 6ch; }
.greeting-lang { color: var(--muted-2); font-weight: 500; }
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(11, 60, 184, .45); }
  100% { box-shadow: 0 0 0 10px rgba(11, 60, 184, 0); }
}
.hero h1 {
  font-weight: 800;
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.hero-lead { margin: 0; font-size: 20px; line-height: 1.5; color: var(--text-2); max-width: 30ch; }

.hero-media {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  grid-template-rows: auto auto;
  gap: 14px;
}
.photo { margin: 0; position: relative; border-radius: 24px; overflow: hidden; background: var(--photo-bg); }
.photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.photo-tall { grid-row: 1 / span 2; min-height: clamp(260px, 62vw, 420px); }
.photo-square { aspect-ratio: 1 / 1; }
.hero-stat {
  border-radius: 24px;
  background: var(--yellow);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2px;
}
.hero-stat-num { font-size: 32px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.hero-stat-label { font-size: 14px; font-weight: 500; }

/* ---------- Program ---------- */
.program {
  padding-top: var(--pad-section);
  padding-bottom: var(--pad-section);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
}
.program-text {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}
.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 40px) clamp(16px, 3vw, 32px);
  align-content: center;
}
.stat { display: flex; flex-direction: column; gap: 4px; padding-top: 16px; border-top: 2px solid var(--blue); }
.stat-yellow { border-top-color: var(--yellow); }
.stat-num {
  font-size: clamp(28px, 4.4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 16px; font-weight: 600; }
.stat-desc { font-size: 14px; color: var(--muted); }

/* ---------- Paths ---------- */
.section-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: 48px; max-width: 640px; }
.paths {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 20px;
}
.path {
  border-radius: 28px;
  padding: clamp(24px, 5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .3s;
}
.path:hover { transform: translateY(-4px); }
.path-blue { background: var(--blue); color: var(--white); --path-line: rgba(255, 255, 255, .25); }
.path-white { background: var(--white); color: var(--navy); --path-line: var(--line); }
.path-kicker { font-size: 14px; font-weight: 600; opacity: .75; }
.path h3 { font-weight: 800; font-size: clamp(28px, 6vw, 36px); line-height: 1.1; letter-spacing: -0.03em; }
.path p { margin: 0; font-size: 17px; line-height: 1.6; opacity: .9; }
.facts {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--path-line);
}
.fact { display: flex; flex-direction: column; }
.fact-v { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.fact-k { font-size: 14px; opacity: .75; }

/* ---------- Katılım ---------- */
.eligibility { display: flex; flex-direction: column; gap: 10px; }
.eligibility-title { font-size: 14px; font-weight: 600; color: var(--muted); }
.years, .years-row { display: grid; grid-template-columns: repeat(6, 1fr); }
.years {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}
.bar { border-radius: 10px; padding: 8px 12px; font-size: 14px; font-weight: 600; }
.bar-blue { grid-column: 2 / span 5; background: var(--blue); color: var(--white); }
.bar-yellow { grid-column: 1 / span 5; background: var(--yellow); color: var(--navy); }
.eligibility-note { font-size: 13px; color: var(--muted-2); }

.steps-col { display: flex; flex-direction: column; }
.steps { list-style: none; margin: 0; padding: 0; }
.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.step-n {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--tint);
  color: var(--blue);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
}
.step h3 { margin: 0 0 4px; font-size: 20px; font-weight: 700; letter-spacing: -0.015em; }
.step p { margin: 0; color: var(--text-2); font-size: 16px; }

.terms { border-bottom: 1px solid var(--line); }
.terms > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-weight: 600;
  font-size: 16px;
  color: var(--blue);
}
.terms > summary::-webkit-details-marker { display: none; }
.chev { transition: transform .25s; }
.terms[open] .chev { transform: rotate(180deg); }
.terms p { margin: 0 0 24px; color: var(--text-2); font-size: 16px; line-height: 1.7; }
.terms b { color: var(--navy); }

/* ---------- Ev sahibi ---------- */
.host {
  padding-top: clamp(56px, 9vw, 100px);
  padding-bottom: clamp(56px, 9vw, 100px);
  align-items: start;
}
.host-bonus { display: flex; align-items: baseline; gap: 12px; margin-top: 8px; }
.host-bonus-num { font-size: 64px; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.host-bonus-text { font-size: 16px; font-weight: 600; max-width: 34ch; line-height: 1.35; }
.host-text { margin: 0; font-size: 17px; line-height: 1.7; text-wrap: pretty; }

/* ---------- İletişim ---------- */
.contact-lead { margin: 0; color: var(--text-2); max-width: 38ch; }
.contact-list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(72px, 110px) minmax(0, 1fr);
  gap: 18px 16px;
  font-size: 16px;
}
.contact-list dt { color: var(--muted-2); font-weight: 600; }
.contact-list dd { margin: 0; }
.contact-list a { color: var(--navy); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.contact-list a:hover { color: var(--blue); }
.emails { display: flex; flex-direction: column; gap: 4px; }

.contact-form {
  align-self: start;
  background: var(--white);
  border-radius: 28px;
  padding: clamp(20px, 5vw, 36px);
  box-shadow: 0 20px 50px -30px rgba(8, 21, 58, .35);
}
.form-fields { display: flex; flex-direction: column; gap: 12px; }
.contact-form input,
.contact-form textarea {
  font: inherit;
  font-size: 16px;
  padding: 15px 20px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
  color: var(--navy);
  outline: none;
  transition: border-color .2s, background-color .2s;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--blue); background: var(--white); }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--muted); opacity: 1; }
.contact-form .invalid { border-color: #c4302b; }
.btn-submit {
  margin-top: 4px;
  font: inherit;
  font-weight: 600;
  font-size: 16px;
  padding: 16px 24px;
  border: 0;
  cursor: pointer;
}
.btn-submit:disabled { opacity: .7; cursor: progress; }
.btn-submit:disabled:hover { background: var(--blue); }
.form-error { margin: 0; font-size: 14px; font-weight: 600; color: #c4302b; }
.form-sent { display: flex; flex-direction: column; gap: 8px; padding: 40px 0; }
.form-sent h3 { font-weight: 800; font-size: 28px; letter-spacing: -0.03em; }
.form-sent p { margin: 0; color: var(--text-2); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); }
.footer-bar {
  padding-top: 28px;
  padding-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted);
}
.footer-brand { display: flex; align-items: center; gap: 12px; font-weight: 600; color: var(--navy); }
.footer-logo { height: 30px; width: auto; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; font-weight: 500; }
.footer-note { padding-bottom: 28px; font-size: 13px; color: var(--muted); }
