:root {
  --primary: #0a2342;
  --primary-mid: #1a3a6b;
  --secondary: #009edb;
  --secondary-dark: #0076a3;
  --accent: #c9a227;
  --dark: #0a1628;
  --footer-bg: #061020;
  --light-bg: #f4f6fa;
  --white: #ffffff;
  --text-main: #1a202c;
  --text-muted: #4a5568;
  --text-light: #718096;
  --border: #e2e8f0;
  --border-light: #f0f4f8;
  --success: #2d7a4f;
  --warning: #c9a227;
  --container: 1280px;
  --section-pad: 100px;
  --nav-height: 72px;
  --topbar-height: 40px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 16px 34px rgba(10, 35, 66, 0.12);
  --shadow-lg: 0 24px 48px rgba(10, 35, 66, 0.18);
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--white);
}

body.menu-open {
  overflow: hidden;
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 14px 16px;
  background: var(--white);
  color: var(--text-main);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(0, 158, 219, 0.18);
  border-color: var(--secondary);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

p,
blockquote {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  color: var(--primary);
}

h4,
h5,
h6 {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--primary);
}

h1 {
  font-size: 60px;
  line-height: 1.1;
  font-weight: 700;
}

h2 {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 700;
}

h3 {
  font-size: 26px;
  line-height: 1.3;
  font-weight: 600;
}

h4 {
  font-size: 19px;
  line-height: 1.4;
  font-weight: 600;
}

small {
  font-size: 14px;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

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

.section-sm {
  padding: 72px 0;
}

.section-alt {
  background: var(--light-bg);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--secondary);
}

.section-header {
  max-width: 720px;
  margin-bottom: 42px;
}

.section-header p {
  margin-top: 16px;
  color: var(--text-muted);
}

.lead {
  font-size: 18px;
  color: var(--text-muted);
}

.text-muted {
  color: var(--text-muted);
}

.text-light {
  color: rgba(255, 255, 255, 0.8);
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

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

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 1fr);
  gap: 40px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 24px;
}

.page-main {
  min-height: 100vh;
}

.page-hero {
  position: relative;
  padding: 120px 0 88px;
  background:
    linear-gradient(135deg, rgba(10, 35, 66, 0.94) 0%, rgba(26, 58, 107, 0.84) 100%),
    url("https://images.unsplash.com/photo-1523050854058-8df90110c9f1?w=1920&q=90") center/cover no-repeat;
  color: var(--white);
}

.page-hero h1,
.page-hero .breadcrumb,
.page-hero p {
  color: var(--white);
}

.breadcrumb {
  display: inline-flex;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
}

.hero-home {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(10, 35, 66, 0.92) 0%, rgba(0, 76, 163, 0.85) 100%),
    url("https://images.unsplash.com/photo-1523050854058-8df90110c9f1?w=1920&q=90") center/cover no-repeat;
  color: var(--white);
}

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

.hero-content {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 700;
}

.hero-home h1 {
  font-size: 62px;
  color: var(--white);
}

.hero-home p {
  margin-top: 18px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
}

.hero-motto {
  display: inline-block;
  margin-top: 18px;
  font-family: "Source Serif 4", Georgia, serif;
  font-style: italic;
  font-size: 16px;
  color: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 26px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-indicator span:last-child {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.6);
  animation: scroll-line 1.6s ease-in-out infinite;
}

@keyframes scroll-line {
  0%,
  100% {
    transform: scaleY(0.45);
    transform-origin: top;
  }

  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
}

.quote-block {
  padding: 20px 0 20px 22px;
  border-left: 4px solid var(--accent);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 24px;
  line-height: 1.5;
  color: var(--primary);
}

.profile-inline {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.profile-inline img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.stats-panel {
  padding-top: 26px;
}

.partners-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.partner-logo {
  padding: 24px 18px;
  border: 1px solid var(--border);
  background: var(--white);
  text-align: center;
  font-weight: 600;
  color: var(--primary);
}

.contact-band {
  background:
    linear-gradient(rgba(10, 35, 66, 0.95), rgba(10, 35, 66, 0.95)),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80") center/cover no-repeat;
  color: var(--white);
}

.contact-band h2,
.contact-band p,
.contact-band address,
.contact-band a {
  color: var(--white);
}

.contact-band-form {
  display: flex;
  gap: 12px;
  margin: 30px 0 20px;
}

.contact-band-form input {
  background: rgba(255, 255, 255, 0.96);
}

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  color: rgba(255, 255, 255, 0.82);
}

.timeline {
  position: relative;
  display: grid;
  gap: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 70px;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: start;
}

.timeline-year {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 42px;
  line-height: 1;
  color: var(--primary);
}

.timeline-content {
  padding: 8px 0 0 24px;
  border-left: 3px solid var(--secondary);
}

.research-feature {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 28px;
  padding: 28px;
  border: 1px solid var(--border);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.research-feature img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.publication-list {
  display: grid;
  gap: 18px;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 32px;
}

.map-panel {
  position: relative;
  min-height: 100%;
  padding: 28px;
  background:
    linear-gradient(rgba(244, 246, 250, 0.92), rgba(244, 246, 250, 0.92)),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80") center/cover no-repeat;
  border: 1px solid var(--border);
}

.map-pin {
  position: absolute;
  top: 32%;
  left: 52%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 0 10px rgba(0, 158, 219, 0.14);
}

.policy-notes {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}