:root {
  --bg: #fafbfe;
  --fg: #0a0f1a;
  --muted: #5b6478;
  --surface: #ffffff;
  --border: #e6eaf2;
  --brand: #006d77;
  --brand-2: #00b4d8;
  --accent: #30b2da;
  --maxw: 1200px;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(10,15,26,.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, Noto Sans, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  opacity: .9;
}

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

.container {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 24px;
}

.header {
  position: relative;
  width: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
              url('https://images.pexels.com/photos/17910460/pexels-photo-17910460.jpeg') center/cover no-repeat;
  color: #fff;
}

.navbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-inline: auto;
  padding: 19px 32px;
  background: rgba(13, 27, 42, 0.35);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #ffffff;
  text-transform: uppercase;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 26px;
  align-items: center;
}

.nav-links a {
  color: #eaf2ff;
  font-weight: 600;
  text-decoration: none;
  font-size: 17px;
  letter-spacing: 0.3px;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, opacity 0.2s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  border-color: var(--accent);
  opacity: 1;
}

.nav-cta {
  display: inline-block;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #fff;
  padding: 11px 22px;
  border-radius: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  transition: opacity 0.2s;
}

.nav-cta:hover {
  opacity: 0.9;
}

@media (max-width: 900px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 24px;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .logo {
    font-size: 26px;
  }

  .nav-links a {
    font-size: 15px;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  background: #fff;
  color: #000;
  padding: 8px 10px;
  z-index: 999;
}

.hero {
  display: grid;
  gap: 24px;
  align-items: center;
  grid-template-columns: 1.1fr 0.9fr;
  padding: 28px 0 10px;
}

.hero .card {
  background: var(--surface);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 24px;
}

.kicker {
  color: #93a0b8;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 13px;
  margin: 0 0 6px;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.15;
  margin: 0 0 8px;
}

.hero p {
  font-size: 18px;
  color: #2a3242;
}

.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 800;
  border: 2px solid transparent;
}

.btn.secondary {
  background: transparent;
  border-color: #dbe4f2;
  color: #0a0f1a;
}

.btn:focus {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.hero-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 260px;
  background: #000;
  box-shadow: var(--shadow);
}

.hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  margin: 18px 0 6px;
}

h2 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 12px;
}

h3 {
  font-size: 20px;
  margin: 0 0 8px;
}

p {
  margin: 0 0 10px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(12, 1fr);
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.feature {
  grid-column: span 4;
}

.figure {
  display: grid;
  gap: 8px;
}

.figure img {
  border-radius: 14px;
}

.figure figcaption {
  color: var(--muted);
  font-size: 14px;
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.table th,
.table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.table th {
  background: #f5f7fb;
  font-weight: 800;
}

.footer {
  background: #0d1b2a;
  color: #e6ecf5;
  margin-top: 32px;
  padding: 36px 0;
}

.footer a {
  color: #e6ecf5;
  text-decoration: underline;
}

.list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
}

.list li {
  margin-bottom: 4px;
}

form {
  display: grid;
  gap: 14px;
  max-width: 720px;
}

label {
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #cad2e1;
  background: #fff;
  font-size: 16px;
}

input::placeholder,
textarea::placeholder {
  color: #9aa6bd;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-color: #b9c3d6;
}

.help {
  color: #5c6784;
  font-size: 14px;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .feature {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .feature {
    grid-column: span 12;
  }
}