:root {
  --bg: #0b1220;
  --surface: #101a30;
  --surface-2: #111f3a;
  --text: #e8eefc;
  --muted: #afbddb;
  --primary: #5ea3ff;
  --primary-2: #7b61ff;
  --card: #111d35;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 16px 38px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at 15% 0%, #19284f 0, var(--bg) 35%);
  color: var(--text);
  scroll-behavior: smooth;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 99;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 32, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 178px;
  height: auto;
}

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  font-size: 1rem;
}

.site-nav {
  display: flex;
  gap: 1.15rem;
  align-items: center;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--text);
}

.btn,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  font-weight: 600;
  padding: 0.85rem 1.2rem;
  transition: 0.2s ease;
}

.btn {
  color: #f8fbff;
  background: linear-gradient(130deg, var(--primary) 0%, var(--primary-2) 100%);
  box-shadow: 0 12px 30px rgba(95, 122, 255, 0.38);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  padding: 5.4rem 0 3.3rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
}

.kicker {
  color: #8fb6ff;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  font-size: 0.77rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

h1,
h2,
h3 {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4.8vw, 3.45rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  line-height: 1.7;
  max-width: 62ch;
}

.hero-actions {
  margin-top: 1.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(150deg, rgba(123, 97, 255, 0.14), rgba(94, 163, 255, 0.06));
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.hero-card h3 {
  font-size: 1.15rem;
}

.hero-card ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.hero-card li {
  color: #c8d4ee;
  padding: 0.48rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card li:last-child {
  border-bottom: 0;
}

.stats {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.stat {
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  padding: 0.85rem;
}

.stat strong {
  display: block;
  font-size: 1.22rem;
}

section {
  padding: 3.3rem 0;
}

.section-title {
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  margin-bottom: 0.7rem;
}

.section-lead {
  color: var(--muted);
  max-width: 70ch;
}

.cards {
  margin-top: 1.45rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  padding: 1.1rem;
}

.card h3 {
  margin-bottom: 0.65rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.15rem;
  background: var(--surface-2);
}

.panel p {
  margin: 0.7rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.cta {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  background: linear-gradient(150deg, rgba(94, 163, 255, 0.16), rgba(123, 97, 255, 0.09));
  box-shadow: var(--shadow);
  text-align: center;
}

.cta p {
  color: #d4e0f8;
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 10, 20, 0.86);
}

.footer-wrap {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.footer-wrap p {
  margin: 0;
  color: #96a8cc;
}

.footer-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: #bed2fc;
}

/* Inner pages */
.inner-hero {
  padding: 4.5rem 0 1.4rem;
}

.paper {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  padding: clamp(1rem, 2.5vw, 1.8rem);
}

.paper h1 {
  margin-bottom: 0.7rem;
}

.paper h2 {
  margin-top: 1.4rem;
  font-size: 1.25rem;
}

.paper p,
.paper li {
  color: var(--muted);
  line-height: 1.72;
}

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

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

form {
  display: grid;
  gap: 0.75rem;
}

label {
  font-size: 0.9rem;
  color: #ced9f3;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 10px;
  padding: 0.8rem;
  font: inherit;
}

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

@media (max-width: 920px) {
  .hero-grid,
  .cards,
  .about-wrap,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    inset: 79px 0 auto 0;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    background: #0d162b;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.9rem 1rem 1rem;
  }

  .site-nav.open {
    display: flex;
  }

  .brand img {
    width: 158px;
  }
}