:root {
  --bg: #0b1220;
  --panel: #121b2f;
  --text: #e6edf7;
  --muted: #a4b1c7;
  --brand: #4f9cff;
  --brand-strong: #2f7ee6;
  --line: #25314a;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #0b1220 0%, #0f182a 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(11, 18, 32, 0.8);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  color: var(--white);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 1.25rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: var(--white);
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}

.hero {
  padding: 5.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: start;
}

.eyebrow {
  color: var(--brand);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  font-weight: 700;
}

h1 {
  margin: 0.6rem 0 1rem;
  line-height: 1.15;
  font-size: clamp(1.8rem, 5vw, 3.1rem);
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 66ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  padding: 0.72rem 1.15rem;
  font-weight: 600;
}

.btn-primary {
  background: var(--brand);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--brand-strong);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.hero-card,
.card,
.contact-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.hero-card {
  padding: 1.4rem;
}

.hero-card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.hero-card ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.75;
}

.section {
  padding: 3.6rem 0;
}

.section.alt {
  background: rgba(255, 255, 255, 0.015);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.brand-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(79, 156, 255, 0.03);
}

h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

p {
  color: var(--muted);
  line-height: 1.75;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  padding: 1.1rem;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.timeline {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.timeline div {
  padding: 1rem;
  background: rgba(79, 156, 255, 0.08);
  border: 1px solid rgba(79, 156, 255, 0.22);
  border-radius: 12px;
}

.timeline strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--white);
}

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

.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.brand-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.brand-block h3 {
  margin-top: 0;
}

.contact-form {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.2rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  color: var(--text);
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.72rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0f1728;
  color: var(--text);
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(79, 156, 255, 0.35);
  border-color: var(--brand);
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
}

.form-status {
  margin: 0;
  min-height: 1.2rem;
  font-size: 0.95rem;
}

.form-status.success {
  color: #67e39c;
}

.form-status.error {
  color: #ff8a8a;
}

.contact-box {
  margin-top: 1rem;
  padding: 1.2rem;
}

.contact-box p {
  margin: 0.2rem 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 1.4rem;
}

.site-footer p {
  margin: 0;
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .brand-grid {
    grid-template-columns: 1fr;
  }

  .menu-btn {
    display: inline-block;
  }

  nav {
    display: none;
    position: absolute;
    top: 72px;
    right: 4%;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.8rem;
    flex-direction: column;
    width: min(260px, 86vw);
  }

  nav.open {
    display: flex;
  }
}