/* ============================================================
   Backchannel Studios — global stylesheet
   ============================================================ */

:root {
  --bg: #0a0b0d;
  --bg-raised: #121417;
  --bg-card: #16181c;
  --line: #262a30;
  --text: #eceae4;
  --text-dim: #9a9ea5;
  --text-faint: #63666d;
  --accent: #ff5a2e;
  --accent-dim: #7a3a24;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* subtle signal-grid backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 11, 13, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: var(--max);
  margin: 0 auto;
}

.logo {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 2px rgba(255, 90, 46, 0.6);
}

.nav-links {
  display: flex;
  gap: 36px;
  font-size: 14px;
  color: var(--text-dim);
}

.nav-links a { transition: color 0.15s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }

.nav-cta {
  font-size: 13px;
  font-family: var(--mono);
  border: 1px solid var(--line);
  padding: 9px 16px;
  border-radius: 4px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* ---------- hero ---------- */
.hero {
  padding: 120px 32px 100px;
  max-width: var(--max);
  margin: 0 auto;
  text-align: left;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
  max-width: 16ch;
}

.hero p.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-dim);
  max-width: 56ch;
  margin: 0 0 40px;
}

.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 14px;
  padding: 14px 24px;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.btn-primary { background: var(--accent); color: #0a0b0d; font-weight: 600; }
.btn-primary:hover { background: #ff7048; }

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

/* ---------- section shared ---------- */
section { padding: 96px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
}
.section-head .kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0; letter-spacing: -0.01em; }
.section-head .desc { color: var(--text-dim); max-width: 40ch; margin: 0; }

/* ---------- services grid ---------- */
.services {
  background: var(--bg-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  background: var(--bg-raised);
  padding: 32px 28px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.2s ease;
}
.service-card:hover { background: var(--bg-card); }

.service-card .idx {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.service-card h3 { font-size: 1.15rem; margin: 18px 0 10px; }
.service-card p { color: var(--text-dim); font-size: 0.94rem; margin: 0; }

/* ---------- project cards ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.project-card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }

.project-card .tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-card h3 { font-size: 1.6rem; margin: 0; }
.project-card .name { color: var(--accent); }
.project-card p.desc { color: var(--text-dim); margin: 0; }

.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.feature-list li {
  font-size: 0.92rem;
  color: var(--text-dim);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.feature-list li::before { content: "✓"; color: var(--accent); flex-shrink: 0; }

.project-card .learn-more {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.project-card .learn-more:hover { color: var(--accent); }

/* placeholder asset strip on projects page */
.asset-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 18px 0 6px;
}
.asset-plate {
  border: 1px dashed var(--line);
  border-radius: 4px;
  padding: 22px 18px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  background: repeating-linear-gradient(
    135deg, rgba(255,255,255,0.015), rgba(255,255,255,0.015) 10px,
    transparent 10px, transparent 20px
  );
}

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}
.about-grid p { color: var(--text-dim); margin: 0 0 18px; max-width: 58ch; }
.pillars-mini {
  display: grid;
  gap: 14px;
  font-family: var(--mono);
  font-size: 13px;
}
.pillars-mini div {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  color: var(--text-dim);
}
.pillars-mini span:last-child { color: var(--text); }

/* ---------- contact / CTA ---------- */
.contact {
  background: var(--bg-raised);
  border-top: 1px solid var(--line);
  text-align: center;
}
.contact h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin: 0 0 18px; max-width: 20ch; margin-inline: auto; }
.contact p { color: var(--text-dim); max-width: 50ch; margin: 0 auto 36px; }
.contact .email {
  font-family: var(--mono);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--accent);
  border-bottom: 1px solid var(--accent-dim);
  padding-bottom: 4px;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-faint);
  font-family: var(--mono);
}
.footer-inner a:hover { color: var(--text); }

/* ---------- page hero (projects page) ---------- */
.page-hero { padding: 100px 32px 60px; max-width: var(--max); margin: 0 auto; }
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); margin: 0 0 20px; letter-spacing: -0.02em; }
.page-hero p { color: var(--text-dim); max-width: 54ch; font-size: 1.1rem; margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .asset-strip { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 24px 32px;
    gap: 20px;
  }
  .nav.open .nav-cta { display: inline-flex; margin: 0 32px 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .hero { padding: 90px 24px 70px; }
  .wrap, .nav, .page-hero, .hero { padding-left: 20px; padding-right: 20px; }
}