:root {
  --navy: #0f2946;
  --navy-soft: #173b63;
  --gold: #b4873f;
  --gold-dark: #9b7030;
  --cream: #f7f3ec;
  --text: #172033;
  --muted: #667085;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(15, 41, 70, 0.16);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text);
  background: var(--cream);
}

a {
  color: inherit;
  text-decoration: none;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 41, 70, 0.08);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  height: 44px;
}

.nav-links {
  display: flex;
  gap: 34px;
  font-weight: 700;
  color: var(--navy);
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--gold);
}

.hero {
  min-height: 680px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255,255,255,.72), rgba(255,255,255,.72)),
    url("assets/images/mtrhanarslan.png") center/cover no-repeat;
}

.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 70px 22px 120px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 40px;
}

.profile-wrap {
  display: flex;
  justify-content: center;
}

.profile-img {
  max-height: 560px;
  width: auto;
  filter: drop-shadow(0 22px 30px rgba(0,0,0,.18));
}

.hero-content {
  text-align: center;
}

.welcome {
  color: var(--gold-dark);
  letter-spacing: 3px;
  font-weight: 800;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(48px, 6vw, 78px);
  line-height: 1;
  margin: 0;
  color: var(--navy);
  font-family: Georgia, serif;
}

.hero h2 {
  color: var(--gold);
  letter-spacing: 3px;
  margin: 18px 0;
  font-size: 26px;
}

.hero p {
  max-width: 520px;
  margin: 0 auto 28px;
  font-size: 18px;
  line-height: 1.75;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 26px;
  border-radius: 10px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn.gold {
  background: linear-gradient(135deg, var(--gold), #c69a4d);
  color: white;
}

.btn.navy {
  background: var(--navy);
  color: white;
}

.quick-card {
  max-width: 900px;
  margin: -70px auto 0;
  position: relative;
  z-index: 5;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
}

.quick-item {
  padding: 34px;
  border-right: 1px solid rgba(15, 41, 70, 0.1);
  cursor: pointer;
}

.quick-item:last-child {
  border-right: 0;
}

.quick-item h3 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: 22px;
}

.quick-item p {
  margin: 0;
  color: var(--muted);
}

.section {
  max-width: 1180px;
  margin: 70px auto;
  padding: 0 22px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.label {
  color: var(--gold);
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
}

.section h2 {
  font-family: Georgia, serif;
  font-size: 42px;
  margin: 10px 0 18px;
  color: var(--navy);
}

.section p {
  line-height: 1.8;
  color: #2d3748;
}

.about-photo {
  width: 100%;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.tabs {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.tab-btn {
  border: 1px solid rgba(15,41,70,.12);
  background: white;
  color: var(--navy);
  padding: 14px 24px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
}

.tab-btn.active {
  background: var(--navy);
  color: white;
}

.tab-panel {
  display: none;
  background: white;
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.tab-panel.active {
  display: block;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: #fff;
  border: 1px solid rgba(15,41,70,.08);
  border-radius: 20px;
  padding: 22px;
}

.card h3 {
  color: var(--navy);
  margin-top: 0;
}

.footer {
  background: var(--navy);
  color: white;
  padding: 38px 22px;
  text-align: center;
}

.footer a {
  color: #f1c879;
  font-weight: 800;
}

@media (max-width: 900px) {
  .hero-inner,
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-inner {
    padding-top: 42px;
  }

  .profile-img {
    max-height: 420px;
  }

  .quick-card,
  .cards {
    grid-template-columns: 1fr;
  }

  .quick-item {
    border-right: 0;
    border-bottom: 1px solid rgba(15, 41, 70, 0.1);
  }

  .nav {
    flex-direction: column;
    gap: 16px;
  }

  .nav-links {
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
  }
}