:root {
  --bg: #0a0c0e;
  --bg-elev: #12151a;
  --surface: #1c2027;
  --border: #262b31;
  --text: #e8e6e1;
  --text-dim: #9a958d;
  --accent: #c9975c;
  --accent-soft: rgba(201, 151, 92, 0.14);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  background: rgba(10, 12, 14, 0.6);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.wordmark {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--text);
}

.wordmark:hover {
  text-decoration: none;
  color: var(--accent);
}

.wordmark-dot {
  color: var(--accent);
}

.nav-contact {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.nav-contact:hover {
  color: var(--accent);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  inset: 0;
}

.hero-pattern-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity 4s ease-in-out;
}

.hero-pattern-layer--a {
  background-image: url("/static/img/opus-incertum.svg");
  opacity: 1;
}

.hero-pattern-layer--b {
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  .hero-pattern-layer {
    transition: none;
  }
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(10, 12, 14, 0.78) 0%, rgba(10, 12, 14, 0.62) 32%, rgba(10, 12, 14, 0.15) 58%, rgba(10, 12, 14, 0.02) 78%),
    linear-gradient(0deg, rgba(10, 12, 14, 0.6) 0%, rgba(10, 12, 14, 0) 22%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding-top: 80px;
}

.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  line-height: 1.12;
  color: var(--text);
}

.lede {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 56ch;
}

.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--accent);
}

.cta:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

/* ---------- dividers ---------- */

.divider {
  position: relative;
  height: 1px;
  margin: 0 auto;
  max-width: 1100px;
  background: linear-gradient(90deg, transparent, var(--border) 15%, var(--border) 85%, transparent);
}

.divider::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  background: var(--accent);
  transform: translate(-50%, -50%) rotate(45deg);
}

/* ---------- sections ---------- */

.section {
  padding: 88px 32px;
}

.section h2 {
  font-size: 1.7rem;
  margin-bottom: 0.75em;
}

.section-narrow {
  max-width: 720px;
  margin: 0 auto;
}

.section-narrow p {
  color: var(--text-dim);
  font-size: 1.05rem;
}

.section-narrow em {
  color: var(--text);
  font-style: normal;
  font-family: var(--mono);
}

.section-contact {
  text-align: center;
}

.section-contact .lede {
  margin-left: auto;
  margin-right: auto;
}

.section-contact .cta {
  font-size: 1rem;
}

/* ---------- capability grid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 2px;
  padding: 22px 24px 24px;
}

.card h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  background: var(--bg-elev);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-inner a {
  color: var(--text-dim);
}

.footer-inner a:hover {
  color: var(--accent);
}

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 24px;
  }

  .nav {
    padding: 16px 20px;
  }

  .nav-contact {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}