/* ── Projects — Emily ───────────────────────────────────── */

:root {
  --cream: #faf6f0;
  --cream-deep: #f3ede3;
  --ink: #2b2520;
  --ink-soft: #5a5048;
  --coral: #e07856;
  --coral-soft: #ec9d82;
  --teal: #4a9b8e;
  --teal-soft: #7bbaad;
  --gold: #c9a14a;
  --gold-soft: #ddc078;
  --lavender: #9b8ec4;
  --lavender-soft: #bbaedb;
  --shadow: 0 2px 12px rgba(43, 37, 32, 0.08);
  --shadow-lift: 0 6px 24px rgba(43, 37, 32, 0.12);
  --radius: 14px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, system-ui, sans-serif;
  --nav-bg: rgba(250, 246, 240, 0.88);
  --nav-shadow: rgba(43, 37, 32, 0.06);
  --card-bg: #f3ede3;
  --card-border: rgba(43, 37, 32, 0.06);
  --bg-grain-opacity: 0.035;
  --blob-opacity: 0.18;
}

[data-theme="signal"] {
  --cream: #0a0e14;
  --cream-deep: #0e1320;
  --ink: #c8d3e0;
  --ink-soft: #6b7a8f;
  --coral: #00d4ff;
  --coral-soft: #4fc3f7;
  --teal: #00ff9f;
  --teal-soft: #4fd9a0;
  --gold: #ffaa00;
  --gold-soft: #ffc966;
  --lavender: #a78bfa;
  --lavender-soft: #c4b5fd;
  --shadow: 0 2px 12px rgba(0, 212, 255, 0.06);
  --shadow-lift: 0 6px 24px rgba(0, 212, 255, 0.12);
  --radius: 4px;
  --serif: 'JetBrains Mono', 'Courier New', monospace;
  --sans: 'Inter', -apple-system, system-ui, sans-serif;
  --nav-bg: rgba(10, 14, 20, 0.92);
  --nav-shadow: rgba(0, 212, 255, 0.08);
  --card-bg: #0e1320;
  --card-border: rgba(0, 212, 255, 0.15);
  --bg-grain-opacity: 1;
  --blob-opacity: 0;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

/* ── background ─────────────────────────────────────────── */

.bg-grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: var(--bg-grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' /%3E%3C/svg%3E");
}

.bg-blob {
  position: fixed; z-index: 0; pointer-events: none;
  border-radius: 50%;
  filter: blur(80px);
  opacity: var(--blob-opacity);
}

.blob-1 { width: 420px; height: 420px; top: -120px; right: -80px; background: var(--coral); }
.blob-2 { width: 360px; height: 360px; bottom: -100px; left: -120px; background: var(--teal); }

[data-theme="signal"] .bg-blob { display: none; }

[data-theme="signal"] .bg-grain {
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 1;
}

[data-theme="signal"] body::before {
  content: '';
  position: fixed; top: 0; left: 0; right: 0; height: 50vh;
  background: radial-gradient(ellipse at center top, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
  z-index: 0; pointer-events: none;
}

/* ── nav ────────────────────────────────────────────────── */

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 32px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 0.3s ease, background 0.4s ease;
}

nav.scrolled { box-shadow: 0 1px 12px var(--nav-shadow); }

.nav-logo {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links { display: flex; align-items: center; gap: 24px; }

.nav-links a {
  font-size: 0.88rem;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.theme-toggle {
  font-family: var(--sans);
  font-size: 0.8rem;
  background: none;
  border: 1px solid var(--card-border);
  border-radius: 100px;
  padding: 5px 14px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover { color: var(--coral); border-color: var(--coral); }

[data-theme="signal"] .theme-toggle {
  font-family: var(--serif);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid var(--card-border);
  padding: 4px 10px;
  opacity: 0.7;
}

[data-theme="signal"] .nav-links a:hover {
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
}

/* ── hero ───────────────────────────────────────────────── */

#hero {
  position: relative; z-index: 1;
  min-height: 70vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 32px 60px;
}

.hero-content { max-width: 680px; text-align: center; }

.hero-eyebrow {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--coral);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

#hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-accent {
  font-style: italic;
  font-weight: 400;
  color: var(--coral);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 540px;
  margin: 0 auto;
}

[data-theme="signal"] #hero h1 { line-height: 1.2; }
[data-theme="signal"] .hero-eyebrow::after {
  content: '_';
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── projects grid ──────────────────────────────────────── */

#projects {
  position: relative; z-index: 1;
  padding: 40px 32px 80px;
  max-width: 1100px;
  margin: 0 auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px 20px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.project-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--coral-soft);
}

[data-theme="signal"] .project-card:hover {
  border-color: var(--coral);
  box-shadow: 0 6px 24px rgba(0, 212, 255, 0.1);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--coral);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-day {
  font-family: var(--serif);
  font-size: 0.72rem;
  color: var(--ink-soft);
  opacity: 0.6;
}

.project-card h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.project-card p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: auto;
}

.project-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
}

.project-tech {
  font-family: var(--serif);
  font-size: 0.75rem;
  color: var(--ink-soft);
  opacity: 0.7;
}

.project-link {
  font-size: 1.2rem;
  color: var(--coral);
  transition: transform 0.2s ease;
}

.project-card:hover .project-link { transform: translateX(4px); }

.project-soon {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* coming soon card */
.project-coming {
  border-style: dashed;
  border-color: var(--card-border);
}

.project-coming:hover {
  border-color: var(--gold-soft);
}

[data-theme="signal"] .project-coming { border-style: dashed; }
[data-theme="signal"] .project-coming:hover { border-color: var(--gold); }

/* placeholder card */
.project-placeholder {
  opacity: 0.4;
  border-style: dashed;
  cursor: default;
}

.project-placeholder:hover {
  transform: none;
  box-shadow: var(--shadow);
  border-color: var(--card-border);
}

.project-placeholder h2 { color: var(--ink-soft); }

/* ── footer ─────────────────────────────────────────────── */

footer {
  position: relative; z-index: 1;
  text-align: center;
  padding: 40px 32px 60px;
}

.footer-name {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

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

.footer-desc a {
  color: var(--coral);
  text-decoration: none;
}

.footer-desc a:hover { text-decoration: underline; }

.footer-made {
  font-family: var(--serif);
  font-size: 0.75rem;
  color: var(--ink-soft);
  opacity: 0.5;
  margin-top: 8px;
}

[data-theme="signal"] .footer-desc a {
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
}

/* ── responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
  nav { padding: 14px 18px; }
  #hero { min-height: 60vh; padding: 80px 18px 40px; }
  #projects { padding: 20px 18px 60px; }
  .projects-grid { grid-template-columns: 1fr; gap: 18px; }
}