:root {
  --bg: #F5F2EA;
  --ink: #0A1730;
  --muted: #667188;
  --panel: #FBF7EE;
  --panel-strong: #FFFDF8;
  --border: #E5DECF;
  --navy: #07152D;
  --blue: #315B8F;
  --gold: #EAAA44;
  --gold-strong: #805006;
  --gold-soft: #FFF0C8;
  --emerald: #B1760E;
  --emerald-dark: #805006;
  --emerald-soft: #FFF0C8;
  --amber: #EAAA44;
  --coral: #f06449;
  --plum: #384F78;
  --shadow: 0 24px 80px rgba(16, 24, 47, 0.18);
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.82), rgba(247, 243, 232, 0.98)),
    var(--bg);
  line-height: 1.65;
}

a { color: var(--emerald-dark); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(229, 220, 199, 0.8);
  background: rgba(245, 242, 234, 0.9);
  backdrop-filter: blur(14px);
}

header.site .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--navy);
  font-weight: 950;
  font-size: 1.18rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand::before {
  content: "";
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(234, 170, 68, 0.42);
  background: var(--navy) url("/assets/logo.png") center / cover no-repeat;
  box-shadow: 0 10px 30px rgba(7, 21, 45, 0.2);
}

nav.site {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav.site a {
  color: #3d4758;
  font-size: 0.94rem;
  font-weight: 750;
  text-decoration: none;
}

nav.site a:hover { color: var(--emerald-dark); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.68rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--emerald);
  color: #FBF7EE !important;
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 14px 40px rgba(177, 118, 14, 0.28);
}

.btn:hover { transform: translateY(-1px); }

.btn.alt {
  background: rgba(255, 250, 240, 0.92);
  color: var(--emerald-dark) !important;
  border-color: rgba(177, 118, 14, 0.26);
  box-shadow: none;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100svh - 72px));
  padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
  color: #FBF7EE;
  background: var(--navy);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 17, 39, 1) 0%, rgba(6, 17, 39, 0.97) 43%, rgba(6, 17, 39, 0.54) 68%, rgba(6, 17, 39, 0.08) 100%),
    radial-gradient(circle at 78% 40%, rgba(234, 170, 68, 0.16), transparent 34%),
    url("/assets/logo.png") 88% 47% / min(52vw, 690px) auto no-repeat,
    var(--navy);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, var(--bg));
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 610px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.1rem;
  color: #F0CD7B;
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--emerald-dark);
}

.hero h1 {
  margin: 0;
  max-width: 680px;
  font-size: clamp(3.4rem, 10vw, 7.5rem);
  line-height: 0.88;
  letter-spacing: 0;
}

.hero p {
  max-width: 630px;
  margin: 1.4rem 0 0;
  color: rgba(255, 250, 240, 0.82);
  font-size: clamp(1.06rem, 2vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.6rem;
}

.hero-metrics span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.8rem;
  border: 1px solid rgba(240, 205, 123, 0.34);
  border-radius: 999px;
  background: rgba(177, 118, 14, 0.22);
  color: rgba(255, 250, 240, 0.92);
  font-weight: 800;
}

.section {
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.section h2 {
  max-width: 720px;
  margin: 0 0 1rem;
  color: var(--navy);
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.section-lead {
  max-width: 690px;
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-grid,
.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.card {
  min-height: 230px;
  padding: 1.25rem;
  border: 1px solid rgba(16, 24, 47, 0.08);
  border-radius: 22px;
  background: var(--panel-strong);
  box-shadow: 0 18px 56px rgba(16, 24, 47, 0.08);
}

.card h3 {
  margin: 0 0 0.8rem;
  color: var(--navy);
  font-size: 1.2rem;
  line-height: 1.2;
}

.card p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.card a {
  color: var(--emerald-dark);
  font-weight: 900;
  text-decoration: none;
}

.feature-grid .card {
  display: flex;
  align-items: flex-end;
  min-height: 170px;
}

.card.math { background: linear-gradient(135deg, rgba(177, 118, 14, 0.18), #FFFDF8 62%); }
.card.verbal { background: linear-gradient(135deg, rgba(128, 80, 6, 0.16), #FFFDF8 62%); }
.card.exam { background: linear-gradient(135deg, rgba(240, 166, 41, 0.18), #FFFDF8 62%); }
.card.calc { background: linear-gradient(135deg, rgba(240, 100, 73, 0.12), #FFFDF8 62%); }

.study-plan {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  align-items: center;
}

.plan-stack {
  display: grid;
  gap: 0.8rem;
}

.plan-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid rgba(16, 24, 47, 0.08);
  border-radius: 18px;
  background: rgba(255, 250, 240, 0.9);
}

.plan-step strong {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--emerald);
  color: #FBF7EE;
}

.plan-step h3 {
  margin: 0 0 0.2rem;
  color: var(--navy);
}

.plan-step p {
  margin: 0;
  color: var(--muted);
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.info-strip div {
  padding: 1.2rem;
  border-radius: 20px;
  background: var(--emerald-dark);
  color: #FBF7EE;
}

.info-strip strong {
  display: block;
  color: #F0CD7B;
  font-size: 2rem;
  line-height: 1;
}

article.post {
  padding: 2.5rem 0;
  max-width: 760px;
}

article.post h1 {
  color: var(--navy);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1;
}

.post-meta,
.muted,
.content-page .lead,
.lead {
  color: var(--muted);
}

.post-list {
  list-style: none;
  padding: 0;
}

.post-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.post-list a {
  color: var(--navy);
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
}

footer.site {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 2.5rem 0;
  margin-top: 3rem;
  font-size: 0.9rem;
}

footer.site a {
  color: var(--muted);
  text-decoration: none;
}

footer.site a:hover { color: var(--navy); }

.crumbs {
  color: var(--muted);
  font-size: 0.85rem;
  padding: 1.25rem 0 0;
}

.crumbs a {
  color: var(--muted);
  text-decoration: none;
}

.crumbs a:hover { color: var(--emerald-dark); }

.content-page { max-width: 760px; }
.content-page h2 { margin-top: 2rem; color: var(--navy); }
.content-page table { border-collapse: collapse; width: 100%; margin: 1rem 0; display: block; overflow-x: auto; }
.content-page th, .content-page td { border: 1px solid var(--border); padding: 0.4rem 0.7rem; text-align: left; }
.content-page code { background: var(--panel); padding: 0.1rem 0.35rem; border-radius: 4px; }

.cta-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  margin: 2.5rem 0;
}

.cta-box p { margin-top: 0; }

.konu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.konu-cat h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.konu-cat ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.konu-cat li { padding: 0.2rem 0; }
.konu-cat a { text-decoration: none; }
.konu-cat a:hover { text-decoration: underline; }

.content-page .calc {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  max-width: 480px;
}

.content-page .calc label {
  display: block;
  margin: 0.75rem 0 0.25rem;
  font-weight: 700;
  font-size: 0.9rem;
}

.content-page .calc input {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
}

.content-page .calc .result {
  margin-top: 1.25rem;
  font-size: 1.3rem;
  font-weight: 800;
}

.faq details {
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--navy);
}

.faq p {
  color: var(--muted);
  margin: 0.6rem 0 0;
}

.policy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 8vw, 7rem) 0;
  color: #FBF7EE;
  background:
    radial-gradient(circle at 82% 20%, rgba(240, 205, 123, 0.2), transparent 28rem),
    linear-gradient(135deg, #061127 0%, var(--emerald-dark) 62%, #07152D 100%);
}

.policy-hero::after {
  content: "";
  position: absolute;
  right: -6rem;
  bottom: -11rem;
  width: 30rem;
  height: 30rem;
  border: 1px solid rgba(240, 205, 123, 0.22);
  border-radius: 50%;
  box-shadow:
    0 0 0 4rem rgba(240, 205, 123, 0.04),
    0 0 0 8rem rgba(240, 205, 123, 0.03);
}

.policy-hero .container {
  position: relative;
  z-index: 1;
}

.policy-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
}

.policy-hero > .container > p:not(.eyebrow) {
  max-width: 680px;
  margin: 1.4rem 0 0;
  color: rgba(255, 250, 240, 0.78);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.policy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.policy-meta span {
  padding: 0.48rem 0.8rem;
  border: 1px solid rgba(240, 205, 123, 0.26);
  border-radius: 999px;
  background: rgba(6, 17, 39, 0.34);
  color: #FFF0C8;
  font-size: 0.84rem;
  font-weight: 750;
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.7fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  padding-top: clamp(3rem, 7vw, 6rem);
}

.policy-summary {
  position: sticky;
  top: 104px;
  padding: 1.5rem;
  border: 1px solid rgba(177, 118, 14, 0.18);
  border-radius: 24px;
  background: linear-gradient(145deg, var(--panel-strong), var(--emerald-soft));
  box-shadow: 0 20px 60px rgba(16, 24, 47, 0.08);
}

.policy-summary h2 {
  margin: 0;
  color: var(--navy);
  font-size: 1.55rem;
  line-height: 1.12;
}

.policy-summary .btn {
  width: 100%;
  margin-top: 1.25rem;
  background: #fff;
}

.policy-checks {
  display: grid;
  gap: 0.85rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.policy-checks li {
  position: relative;
  padding-left: 1.7rem;
  color: #34443f;
  font-size: 0.94rem;
}

.policy-checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.05rem;
  display: grid;
  place-items: center;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background: var(--emerald);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 950;
}

.policy-content {
  min-width: 0;
}

.policy-content section {
  position: relative;
  padding: 0 0 3.25rem;
  margin: 0 0 3.25rem;
  border-bottom: 1px solid var(--border);
}

.policy-content section:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}

.policy-content h2 {
  margin: 0 0 1rem;
  color: var(--navy);
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.policy-content h3 {
  margin: 0 0 0.45rem;
  color: var(--navy);
  font-size: 1rem;
}

.policy-content p,
.policy-content li {
  color: #4c5665;
}

.policy-content ul {
  padding-left: 1.25rem;
}

.policy-content li + li {
  margin-top: 0.55rem;
}

.policy-number {
  margin: 0 0 0.6rem;
  color: var(--emerald) !important;
  font-size: 0.8rem;
  font-weight: 950;
  letter-spacing: 0.16em;
}

.policy-data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.4rem;
}

.policy-data-grid > div {
  padding: 1.1rem;
  border: 1px solid rgba(16, 24, 47, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
}

.policy-data-grid p {
  margin: 0;
  font-size: 0.92rem;
}

.policy-note {
  margin-top: 1.4rem;
  padding: 1.1rem 1.2rem;
  border-left: 4px solid var(--amber);
  border-radius: 0 16px 16px 0;
  background: #fff5dc;
  color: #544319;
}

@media (max-width: 860px) {
  header.site .container {
    align-items: flex-start;
    height: auto;
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
  }

  nav.site {
    gap: 0.7rem;
  }

  nav.site a:not(.btn) {
    font-size: 0.86rem;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(6, 17, 39, 0.9), rgba(6, 17, 39, 0.98)),
      url("/assets/logo.png") center / cover no-repeat;
  }

  .feature-grid,
  .grid,
  .study-plan,
  .info-strip,
  .policy-layout {
    grid-template-columns: 1fr;
  }

  .policy-summary {
    position: static;
  }
}

@media (max-width: 560px) {
  .policy-data-grid {
    grid-template-columns: 1fr;
  }
}