:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3f9;
  --text: #101828;
  --muted: #475467;
  --primary: #0b63f6;
  --primary-ink: #ffffff;
  --border: #d0d9e7;
  --shadow: 0 12px 32px rgba(16, 24, 40, 0.08);
  --radius: 14px;
  --max-width: 1160px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, #d7e8ff 0%, transparent 40%),
    radial-gradient(circle at 95% 8%, #d8f3ff 0%, transparent 35%),
    var(--bg);
  font-family: "Segoe UI", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: var(--primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 10000;
  background: var(--text);
  color: #fff;
  padding: 0.6rem 0.9rem;
  border-radius: 0.5rem;
  text-decoration: none;
}

.skip-link:focus-visible {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid #0d62ee;
  outline-offset: 2px;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding: var(--space-7) 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(238, 243, 249, 0.6));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  margin-bottom: var(--space-5);
  max-width: 70ch;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.2;
}

.section-head p {
  margin: var(--space-2) 0 0;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(244, 247, 251, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.header-inner {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
}

.nav {
  position: fixed;
  inset: 4.6rem 0 auto 0;
  padding: 1rem;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.nav[data-open="true"] {
  display: flex;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  padding: 0.75rem 0.8rem;
  border-radius: 0.65rem;
}

.nav a:hover {
  background: var(--surface-soft);
}

.btn {
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 0.72rem 1rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-ink);
  box-shadow: 0 10px 20px rgba(11, 99, 246, 0.2);
}

.btn-primary:hover {
  background: #0a58d9;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
}

.btn-sm {
  padding: 0.55rem 0.8rem;
  font-size: 0.92rem;
}

.hero {
  padding-top: var(--space-6);
}

.hero-grid {
  display: grid;
  gap: var(--space-4);
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: #0c57cc;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.12;
}

.lead {
  margin: 1rem 0 0;
  color: var(--muted);
  max-width: 64ch;
}

.hero-actions {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cred-list {
  margin: 1.2rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.hero-card {
  background: linear-gradient(160deg, #f9fcff 0%, #f0f6ff 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow);
}

.h3,
h3 {
  margin: 0;
  font-size: 1.15rem;
}

.hero-card ul {
  margin: 1rem 0;
  padding-left: 1.1rem;
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.image-card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.image-card img {
  border-radius: 0.7rem;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.image-card figcaption {
  margin-top: 0.85rem;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.card ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
}

.meta {
  margin-top: 0.35rem;
  color: #0c57cc;
  font-weight: 700;
  font-size: 0.95rem;
}

.program-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.program-card .btn {
  margin-top: auto;
}

.tag-grid {
  display: grid;
  gap: 0.75rem;
}

.tag {
  margin: 0;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  text-align: center;
  font-weight: 500;
}

.team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.team-item {
  padding: 0.2rem 0 1rem;
  border-bottom: 1px solid var(--border);
}

.team-item h3 {
  margin: 0;
  font-size: 1.1rem;
}

.team-item .team-role {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.contact-grid {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.contact-points {
  margin: 0;
  padding-left: 1.1rem;
}

.contact-form {
  display: grid;
  gap: 0.4rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 0.7rem;
  font: inherit;
}

.form-status {
  margin: 0.35rem 0 0;
  color: var(--muted);
  min-height: 1.4rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  align-items: flex-start;
}

.footer-title {
  margin: 0;
  font-weight: 700;
}

.footer-inner p {
  margin: 0.2rem 0;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 860px) {
  .header-inner {
    min-height: 5.4rem;
  }

  .brand img {
    width: 60px;
    height: 60px;
  }

  .menu-toggle {
    display: none;
  }

  .nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.2rem;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
    inset: auto;
  }

  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

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

  .cards-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cards-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tag-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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