/* ===== Basement Project Builds — retro builder / tech hybrid ===== */
:root {
  --bg: #0b1f3a;
  --bg-deep: #08182e;
  --bg-alt: #0d2545;
  --line: rgba(120, 190, 255, 0.10);
  --line-strong: rgba(120, 190, 255, 0.22);
  --ink: #d8e6ff;
  --ink-dim: #9bb3d4;
  --ink-mute: #6b88ad;
  --accent: #ffb627;       /* blueprint amber */
  --accent-2: #41d7c7;     /* teal terminal */
  --danger: #ff6b6b;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1080px;
  --gutter: clamp(1rem, 4vw, 3rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Blueprint grid background */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(var(--line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-strong) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
}
.grid-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(65, 215, 199, 0.06), transparent 60%);
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.06) 3px,
    transparent 4px
  );
  opacity: 0.5;
}

.container {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #000;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(8, 24, 46, 0.72);
  border-bottom: 1px solid var(--line-strong);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
}
.brand {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.brand-mark {
  color: var(--accent);
  font-weight: 700;
}
.brand-name .dot { color: var(--accent-2); }

.nav {
  display: flex;
  gap: 1.25rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.nav a {
  color: var(--ink-dim);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav a:hover { color: var(--ink); }
.nav-cta {
  color: var(--accent) !important;
}

/* Hero */
.hero { padding-block: clamp(4rem, 12vh, 8rem) clamp(3rem, 8vh, 5rem); }
.hero-inner { max-width: 760px; }
.kicker {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent-2);
  margin: 0 0 1.25rem;
  letter-spacing: 0.04em;
}
.cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1em;
  background: var(--accent-2);
  margin-left: 2px;
  vertical-align: -2px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  line-height: 1.05;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}
.hero-title .accent {
  color: var(--accent);
  font-style: italic;
}
.hero-sub {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--ink-dim);
  max-width: 56ch;
  margin: 0 0 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 2.5rem; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.hero-stats dt { color: var(--ink-mute); margin-bottom: 0.2rem; }
.hero-stats dd { color: var(--ink); margin: 0; }

/* Buttons */
.btn {
  font-family: var(--mono);
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.18s ease;
  display: inline-block;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 700;
}
.btn-primary:hover { background: #ffc94d; transform: translateY(-1px); }
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn-lg { font-size: 1rem; padding: 0.9rem 1.6rem; }

/* Sections */
.section { padding-block: clamp(3.5rem, 9vh, 6rem); border-top: 1px solid var(--line-strong); }
.section-alt { background: linear-gradient(180deg, rgba(13, 37, 69, 0.55), rgba(11, 31, 58, 0.2)); }
.section-head { display: flex; align-items: baseline; gap: 0.85rem; margin-bottom: 2rem; }
.section-num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
}
.section-head h2 {
  font-family: var(--mono);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0;
  color: var(--ink);
}
.lede {
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  color: var(--ink);
  max-width: 60ch;
  margin: 0 0 1.25rem;
}
.about-grid p { max-width: 64ch; color: var(--ink-dim); }
.about-grid p + p { margin-top: 1rem; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  margin-bottom: 1.5rem;
}
.card {
  background: var(--bg);
  padding: 1.5rem;
  transition: background 0.18s ease;
}
.card:hover { background: var(--bg-alt); }
.card h3 {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.card p { margin: 0; color: var(--ink-dim); font-size: 0.95rem; }
.note {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-mute);
  margin: 0;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.project {
  border: 1px solid var(--line-strong);
  padding: 1.4rem;
  background: rgba(13, 37, 69, 0.35);
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.project.placeholder:hover { border-color: var(--accent-2); transform: translateY(-2px); }
.project-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
  margin-bottom: 1rem;
}
.project-status { color: var(--accent); }
.project-id { color: var(--ink-mute); }
.project h3 {
  font-family: var(--mono);
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.project p { margin: 0 0 1rem; color: var(--ink-dim); font-size: 0.9rem; }
.project-link {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent-2);
  text-decoration: none;
}
.project-link.disabled { color: var(--ink-mute); }

/* Contact */
.contact-inner .contact-cta { margin-top: 1.5rem; }
.contact-note {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin: 0.85rem 0 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line-strong);
  padding-block: 1.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.site-footer p { margin: 0; }

/* Responsive */
@media (max-width: 640px) {
  .nav { gap: 0.85rem; font-size: 0.75rem; }
  .brand-name { display: none; }
  .hero-stats { gap: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}