:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #667085;
  --brand: #0b6b57;
  --brand-2: #0f8f7a;
  --gold: #d6a13b;
  --bg: #f5f8f7;
  --card: #ffffff;
  --line: #dfe7e4;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  background: #06261f;
  color: #e8f5f2;
  font-size: 14px;
  padding: 9px 0;
}

.topbar .container,
.nav .container {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.nav {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  padding: 16px 0;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.mark {
  align-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-radius: 14px;
  color: #fff;
  display: inline-flex;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.navlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-weight: 600;
}

.language {
  display: flex;
  gap: 8px;
}

.language a,
.btn,
button,
.pill {
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.language a {
  border: 1px solid var(--line);
  padding: 6px 10px;
  background: #fff;
}

.hero {
  background:
    radial-gradient(circle at 15% 20%, rgba(214, 161, 59, 0.22), transparent 28%),
    linear-gradient(135deg, #08382e 0%, #0b6b57 54%, #0b8877 100%);
  color: #fff;
  padding: 82px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  color: #f7d58a;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(38px, 6vw, 70px);
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.lead {
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
  max-width: 740px;
}

.hero-card,
.card,
.admin-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: 0 22px 70px rgba(16, 32, 51, 0.12);
}

.hero-card {
  color: var(--ink);
  padding: 28px;
}

.track-form {
  display: grid;
  gap: 14px;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 14px;
  font: inherit;
  padding: 13px 14px;
  width: 100%;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.btn,
button {
  background: var(--brand);
  border: 0;
  color: #fff;
  cursor: pointer;
  padding: 13px 20px;
}

.btn.secondary {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}

section {
  padding: 70px 0;
}

.grid-3,
.grid-2 {
  display: grid;
  gap: 20px;
}

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

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

.card {
  padding: 26px;
}

.certificate {
  border: 1px solid var(--line);
  border-radius: 18px;
  display: block;
  margin: 12px 0 16px;
  max-height: 360px;
  object-fit: cover;
  object-position: top;
  width: 100%;
}

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

.pill {
  background: #e6f4f1;
  color: var(--brand);
  padding: 7px 12px;
}

.route-list {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.route-list li {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  display: flex;
  justify-content: space-between;
  padding: 14px 16px;
}

.footer {
  background: #06261f;
  color: #d9eeea;
  padding: 38px 0;
}

.admin-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #06261f;
  color: #fff;
  padding: 26px;
}

.sidebar a {
  display: block;
  padding: 10px 0;
  color: #d9eeea;
}

.admin-main {
  padding: 30px;
}

.admin-card {
  padding: 24px;
  margin-bottom: 20px;
}

.table {
  border-collapse: collapse;
  width: 100%;
}

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 12px;
  text-align: left;
}

.notice {
  background: #fff7e6;
  border: 1px solid #ffd591;
  border-radius: 14px;
  padding: 12px 14px;
}

.error {
  color: var(--danger);
}

.progress {
  background: #e9eeec;
  border-radius: 999px;
  height: 12px;
  overflow: hidden;
}

.progress span {
  background: linear-gradient(90deg, var(--brand), var(--gold));
  display: block;
  height: 100%;
}

@media (max-width: 860px) {
  .hero-grid,
  .grid-3,
  .grid-2,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .nav .container,
  .topbar .container {
    align-items: flex-start;
    flex-direction: column;
  }
}