:root {
  --navy-900: #0f1f3a;
  --navy-800: #132847;
  --navy-700: #1b365f;
  --yellow-500: #ffd400;
  --yellow-600: #f5c518;
  --text-main: #ffffff;
  --text-soft: #d3ddf0;
  --text-dark: #0b1a30;
  --border-strong: rgba(255, 212, 0, 0.45);
  --border-soft: rgba(255, 255, 255, 0.14);
  --shadow-soft: 0 14px 34px rgba(2, 8, 20, 0.28);
  --radius-lg: 20px;
  --radius-md: 14px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.65;
  color: var(--text-main);
  background: linear-gradient(180deg, var(--navy-800), var(--navy-900));
}

a {
  color: var(--yellow-500);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #ffe14a;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--yellow-500);
  outline-offset: 3px;
  border-radius: 10px;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 31, 58, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-strong);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  object-fit: contain;
  background: #fff;
  border: 2px solid rgba(255, 255, 255, 0.85);
  padding: 0.2rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-mark {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  color: #fff;
}

.brand-sub {
  font-size: 0.84rem;
  color: var(--text-soft);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
}

.nav-list a {
  display: inline-block;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.45rem 0.78rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: rgba(255, 212, 0, 0.12);
  border-color: var(--border-strong);
}

.hero {
  padding: 4.6rem 0 3.3rem;
  border-bottom: 1px solid var(--border-soft);
}

.hero-content {
  max-width: 740px;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  padding: 0.34rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 212, 0, 0.1);
  color: var(--yellow-500);
  font-weight: 700;
  font-size: 0.85rem;
}

h1 {
  margin: 1rem 0 0.8rem;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.14;
}

.lead {
  margin: 0 0 1.4rem;
  color: var(--text-soft);
  max-width: 62ch;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: 14px;
  padding: 0.78rem 1.1rem;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.btn-primary {
  background: var(--yellow-500);
  border-color: var(--yellow-500);
  color: var(--text-dark);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-main);
}

.small-note {
  margin-top: 0.35rem;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.section {
  padding: 3.7rem 0;
}

.section-alt {
  background: rgba(8, 21, 43, 0.6);
  border-block: 1px solid var(--border-soft);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.24;
}

h3 {
  margin: 0 0 0.52rem;
  font-size: 1.14rem;
}

p {
  margin-top: 0;
}

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

.card,
.panel {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  box-shadow: var(--shadow-soft);
}

.card p,
.panel p,
.panel li {
  color: var(--text-soft);
}

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

.site-footer {
  border-top: 1px solid var(--border-soft);
  background: #0a162c;
  color: var(--text-soft);
  padding: 1.35rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  align-items: flex-start;
}

.footer-content p {
  margin: 0;
}

.site-footer a {
  color: var(--yellow-500);
}

.site-footer a:hover {
  color: #ffe14a;
}

.error-wrapper {
  min-height: calc(100vh - 200px);
  display: grid;
  place-items: center;
}

.error-card {
  text-align: center;
  max-width: 540px;
}

@media (min-width: 760px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (max-width: 620px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-list {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 4rem;
  }
}