/* ————— Epipolar Labs — light, geometric, research-lab feel ————— */

:root {
  --ink: #101114;
  --ink-soft: #4b4e57;
  --paper: #fafaf7;
  --paper-raised: #ffffff;
  --line: #e3e2dc;
  --accent: #2f6df6;
  --dark: #101114;
  --dark-ink: #eef1f6;
  --dark-soft: #9aa1b0;
  --green: #7ee2a8;
  --radius: 14px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; margin: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.02em; }

a { color: inherit; }

/* ————— Nav ————— */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1.2rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.nav-brand img { width: 34px; height: 34px; }

.nav-links { display: flex; align-items: center; gap: clamp(0.9rem, 2.5vw, 1.8rem); }

.nav-links a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
}

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

.nav-cta {
  padding: 0.45rem 0.95rem;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  color: var(--ink) !important;
}

.nav-cta:hover { background: var(--ink); color: var(--paper) !important; }

/* ————— Hero ————— */

.hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(4.5rem, 10vw, 8rem) 1.5rem clamp(4rem, 9vw, 7rem);
}

.hero-geometry {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(900px, 110%);
  height: 100%;
  color: var(--ink);
  opacity: 0.07;
  pointer-events: none;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  font-weight: 700;
  margin-bottom: 1.4rem;
}

.hero-sub {
  max-width: 620px;
  margin: 0 auto 2.4rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.hero-actions { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.btn-primary { background: var(--ink); color: var(--paper); box-shadow: 0 10px 30px rgba(16, 17, 20, 0.18); }

.btn-ghost { border: 1.5px solid var(--line); background: var(--paper-raised); color: var(--ink); }

/* ————— Sections ————— */

.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) clamp(1.2rem, 4vw, 3rem);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.section h2 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  margin-bottom: 1.2rem;
}

.section-intro { max-width: 640px; color: var(--ink-soft); font-size: 1.06rem; margin-bottom: 2.8rem; }

/* ————— What-we-do cards ————— */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(16, 17, 20, 0.08); }

.card-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); margin-bottom: 0.9rem; }

.card h3 { font-size: 1.25rem; margin-bottom: 0.7rem; }

.card p:last-child { color: var(--ink-soft); font-size: 0.97rem; }

/* ————— Dark comparison section ————— */

.section-dark {
  max-width: none;
  background: var(--dark);
  color: var(--dark-ink);
}

.section-dark > * { max-width: 1080px; margin-left: auto; margin-right: auto; }

.section-dark .section-label { color: var(--green); }

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-top: 2.2rem;
}

.compare-text p { color: var(--dark-soft); margin-bottom: 1.1rem; }

.compare-text a { color: var(--green); }

.compare-panel {
  background: #191b21;
  border: 1px solid #2a2d36;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.compare-panel-header {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid #2a2d36;
  background: #1e2129;
}

.mono, .mono-svg { font-family: var(--font-mono); }

.compare-panel-header .mono { font-size: 0.72rem; color: var(--dark-soft); }

.compare-panel svg { display: block; width: 100%; height: auto; padding: 0.8rem; }

/* ————— Projects ————— */

.projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.2rem; }

.project {
  display: block;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

a.project:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(16, 17, 20, 0.08); }

.project-head { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; margin-bottom: 0.7rem; }

.project h3 { font-size: 1.3rem; }

.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  white-space: nowrap;
}

.tag-live { border-color: #b7e4c7; background: #eafbf1; color: #1c7c46; }

.project p { color: var(--ink-soft); font-size: 0.97rem; }

.project-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
}

/* ————— Team ————— */

.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; max-width: 760px; }

.person {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
}

.person-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 1rem;
}

.person h3 { font-size: 1.2rem; }

.person-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0.25rem 0 0.8rem;
}

.person p { color: var(--ink-soft); font-size: 0.95rem; }

.person a { display: inline-block; margin-top: 0.8rem; font-size: 0.9rem; font-weight: 600; }

/* ————— Footer ————— */

.footer {
  border-top: 1px solid var(--line);
  padding: 3rem clamp(1.2rem, 4vw, 3rem) 2.2rem;
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem 3rem;
}

.footer-brand { display: flex; gap: 0.9rem; align-items: center; }

.footer-brand img { width: 44px; height: 44px; }

.footer-name { font-family: var(--font-display); font-weight: 700; }

.footer-tag { color: var(--ink-soft); font-size: 0.88rem; }

.footer-cols { display: flex; gap: clamp(1.5rem, 4vw, 3.5rem); flex-wrap: wrap; }

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-bottom: 0.7rem;
}

.footer-cols a { display: block; text-decoration: none; font-size: 0.92rem; color: var(--ink); padding: 0.18rem 0; }

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

.footer-fine { grid-column: 1 / -1; color: var(--ink-soft); font-size: 0.82rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }

/* ————— Responsive ————— */

@media (max-width: 820px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .compare-grid { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; }
}