* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f6f8fc;
  --text: #1f2937;
  --muted: #4b5563;
  --surface: #ffffff;
  --line: #e5e7eb;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --ink-dark: #0f172a;
}

body {
  font-family: "Manrope", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero-section {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  color: #ffffff;
}

.hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.42), rgba(15, 23, 42, 0.62));
}

.navbar {
  position: relative;
  z-index: 2;
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  text-decoration: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 12px;
  border-radius: 10px;
  transition: background-color 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255, 255, 255, 0.18);
}

.login-btn {
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  border-radius: 12px;
  padding: 11px 14px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.login-btn:hover {
  background: #ffffff;
  color: var(--ink-dark);
}

.mobile-menu-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-weight: 700;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
}

.hero-content {
  position: relative;
  z-index: 2;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 20px;
}

.hero-content h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 14px;
}

.hero-content p {
  max-width: 760px;
  font-size: clamp(18px, 2vw, 22px);
  color: rgba(255, 255, 255, 0.94);
}

.about-section {
  padding: 64px 0;
}

.section-head {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 42px;
}

.section-head h2,
.mission-content h2,
.cta-content h2,
.contact-content h2 {
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1.2;
  margin-bottom: 10px;
}

.section-head p,
.mission-content p,
.contact-content p {
  color: var(--muted);
  font-size: 18px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.05);
}

.feature-badge {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 14px;
}

.feature-badge.blue {
  color: #1d4ed8;
  background: #dbeafe;
}

.feature-badge.red {
  color: #b91c1c;
  background: #fee2e2;
}

.feature-badge.green {
  color: #166534;
  background: #dcfce7;
}

.feature-badge.violet {
  color: #6d28d9;
  background: #ede9fe;
}

.feature-card h3 {
  font-size: 21px;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--muted);
}

.mission-section {
  background: var(--surface);
  padding: 70px 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 44px;
  align-items: center;
}

.mission-media-wrap {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.16);
}

.mission-media {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
}

.mission-content p + p {
  margin-top: 14px;
}

.tanitim-section {
  background: linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
  padding: 72px 0;
}

.tanitim-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.tanitim-card {
  background: var(--surface);
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.tanitim-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #bfdbfe;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.3px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.tanitim-card h3 {
  font-size: 24px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
}

.tanitim-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.tanitim-card p + p {
  margin-top: 12px;
}

.contact-section {
  background: #111827;
  color: #ffffff;
  padding: 62px 0;
}

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

.contact-content p {
  color: rgba(255, 255, 255, 0.86);
}

.contact-content p + p {
  margin-top: 10px;
}

@media (max-width: 1200px) {
  .navbar {
    width: min(1280px, calc(100% - 24px));
  }

  .brand-text {
    display: none;
  }
}

@media (max-width: 980px) {
  .nav-links {
    position: absolute;
    top: 92px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    background: rgba(17, 24, 39, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 14px;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mission-grid {
    grid-template-columns: 1fr;
  }

  .tanitim-grid {
    grid-template-columns: 1fr;
  }

  .mission-media {
    height: 340px;
  }
}

@media (max-width: 640px) {
  .hero-section,
  .hero-content {
    min-height: 460px;
  }

  .navbar {
    padding-top: 12px;
  }

  .logo {
    width: 48px;
    height: 48px;
  }

  .login-btn {
    display: none;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .section-head p,
  .mission-content p,
  .contact-content p {
    font-size: 17px;
  }

  .tanitim-card {
    padding: 20px;
  }

  .tanitim-card h3 {
    font-size: 22px;
  }
}