:root {
  --bg: #07111f;
  --bg-alt: #0d1728;
  --surface: rgba(18, 29, 49, 0.82);
  --surface-strong: rgba(15, 24, 41, 0.94);
  --surface-soft: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #edf3ff;
  --text-soft: #b8c6e3;
  --text-muted: #91a3c7;
  --accent: #66a3ff;
  --accent-strong: #8e7dff;
  --accent-warm: #f5b657;
  --success: #52d6a8;
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.38);
  --shadow-md: 0 20px 50px rgba(0, 0, 0, 0.24);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(102, 163, 255, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(142, 125, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #06101d 0%, #091424 46%, #07111f 100%);
  color: var(--text);
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(6, 12, 22, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.nav a {
  color: var(--text-soft);
  font-weight: 600;
  font-size: 0.96rem;
  transition: color 0.18s ease;
}

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

.hero {
  padding: 88px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.9fr);
  gap: 28px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.project-card,
.principle-card,
.contact-wrap {
  background: linear-gradient(180deg, rgba(18, 29, 49, 0.88), rgba(10, 18, 33, 0.94));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.hero-copy,
.hero-panel {
  border-radius: var(--radius-xl);
}

.hero-copy {
  padding: 42px;
}

.eyebrow,
.section-label,
.panel-label,
.project-type,
.project-type-muted,
.project-kind {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

.eyebrow,
.section-label,
.panel-label {
  color: var(--accent);
  font-weight: 700;
}

.hero-copy h1 {
  margin: 14px 0 16px;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-text {
  margin: 0;
  max-width: 60ch;
  color: var(--text-soft);
  font-size: 1.06rem;
}

.hero-actions,
.card-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 14px 35px rgba(87, 114, 255, 0.28);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-strong);
  color: var(--text);
}

.hero-panel {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-item {
  padding: 18px 18px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-item strong {
  display: block;
  margin-top: 8px;
  font-size: 1.02rem;
}

.section {
  padding: 38px 0;
}

.section-alt {
  padding: 38px 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 34px;
  align-items: start;
}

.section-title-block h2,
.section-heading h2,
.contact-wrap h2 {
  margin: 10px 0 0;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.section-copy,
.section-note,
.contact-copy {
  color: var(--text-soft);
}

.section-copy p {
  margin: 0 0 18px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 24px;
}

.section-note {
  max-width: 44ch;
  margin: 0;
}

.principles-grid,
.project-stack {
  display: grid;
  gap: 18px;
}

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

.project-card,
.principle-card,
.contact-wrap {
  border-radius: var(--radius-lg);
}

.principle-card {
  padding: 24px;
}

.principle-card h3 {
  margin: 0 0 12px;
  font-size: 1.18rem;
}

.principle-card p {
  margin: 0;
  color: var(--text-soft);
}

.stack-list {
  display: grid;
  gap: 12px;
}

.stack-item {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stack-item strong {
  font-size: 0.98rem;
}

.stack-item span {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.project-card {
  padding: 24px;
}

.card-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.project-type,
.project-type-muted,
.project-kind {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
}

.project-type {
  color: #d8e5ff;
  background: rgba(102, 163, 255, 0.12);
}

.project-type-muted {
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.03);
}

.project-kind {
  color: var(--accent-warm);
  background: rgba(245, 182, 87, 0.09);
}

.project-card h3 {
  margin: 16px 0 12px;
  font-size: 1.62rem;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.project-card p {
  margin: 0;
  color: var(--text-soft);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tags span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 600;
}

.card-actions {
  margin-top: 18px;
}

.card-actions a {
  color: var(--accent);
  font-weight: 700;
}

.contact-wrap {
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 20px;
  align-items: center;
}

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

  .section-heading {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .nav-wrap {
    min-height: 68px;
    align-items: start;
    padding: 14px 0;
    flex-direction: column;
  }

  .nav {
    gap: 14px;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-copy,
  .project-card,
  .principle-card,
  .hero-panel,
  .contact-wrap {
    padding: 20px;
  }

  .hero-copy h1 {
    font-size: 2.45rem;
  }
}