/* ==========================================================================
   project.css — Shared styles for all project deep-dive pages
   Inherits design tokens from ../css/main.css
   ========================================================================== */

/* Logo face sizing/scale is owned by nav.css so the logo is pixel-identical to the
   main page — do NOT re-scale it here (a scale(1.12) override made it visibly bigger). */

/* ── FOUT gate ──────────────────────────────────────────────────────────────
   Project pages have no preloader to mask the initial paint, so the webfont swap
   (system fallback → Syne/Geist) flashed on hard-refresh. The head gate script adds
   .fonts-pending to <html> before first paint and removes it once the fonts load (or a
   1s cap), so the page reveals already-fonted. JS-disabled users never get the class,
   so they just see the render-blocking fonts with no hiding. */
html.fonts-pending body { opacity: 0; }
body { opacity: 1; transition: opacity .2s ease; }

/* ── Layout ─────────────────────────────────────────────────────────────── */
.proj-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 80px);
}

/* ── Back link (top nav) ─────────────────────────────────────────────────── */
.proj-back-link {
  position: fixed;
  top: clamp(30px, 7.7vh, 70px);
  right: clamp(28px, 4vw, 74px);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}
.proj-back-link:hover { opacity: 1; }
.proj-back-arrow { font-size: 18px; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.proj-hero {
  padding-top: clamp(120px, 16vh, 180px);
  padding-bottom: clamp(60px, 8vh, 100px);
}

.proj-eyebrow {
  display: block;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.proj-title {
  font-family: var(--font-display, 'Clash Display', sans-serif);
  font-size: clamp(40px, 7vw, 90px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.0;
  color: var(--color-text);
  margin-bottom: 24px;
}

.proj-tagline {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.5;
  color: var(--color-muted);
  max-width: 56ch;
  margin-bottom: 36px;
}

.proj-meta-row {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.proj-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.proj-tag {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid rgba(var(--color-text-rgb), 0.2);
  border-radius: 999px;
  color: var(--color-muted);
}

.proj-links {
  display: flex;
  gap: 20px;
}

.proj-link {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.proj-link:hover { opacity: 0.7; }

.proj-hero-media {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(var(--color-text-rgb), 0.08);
}
.proj-hero-media img {
  width: 100%;
  display: block;
  object-fit: cover;
}

/* ── Sections ────────────────────────────────────────────────────────────── */
.proj-section {
  padding: clamp(60px, 9vh, 120px) 0;
  border-top: 1px solid rgba(var(--color-text-rgb), 0.08);
}

.proj-section--dark {
  background: rgba(var(--color-text-rgb), 0.03);
  margin-left: calc(-1 * clamp(24px, 5vw, 80px));
  margin-right: calc(-1 * clamp(24px, 5vw, 80px));
  padding-left: clamp(24px, 5vw, 80px);
  padding-right: clamp(24px, 5vw, 80px);
}

.proj-section-inner {
  max-width: 860px;
}

.proj-section-label {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.proj-h2 {
  font-family: var(--font-display, 'Clash Display', sans-serif);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-top: 48px;
  margin-bottom: 16px;
}
.proj-h2:first-of-type { margin-top: 0; }

.proj-p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  max-width: 68ch;
  margin-bottom: 24px;
}
.proj-p--muted { color: var(--color-muted); }

/* ── Two-column layout (case study) ─────────────────────────────────────── */
.proj-two-col {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}

.proj-stat-card {
  border: 1px solid rgba(var(--color-text-rgb), 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.proj-stat-num {
  display: block;
  font-family: var(--font-display, 'Clash Display', sans-serif);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.proj-stat-label {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ── Key decisions ───────────────────────────────────────────────────────── */
.proj-decisions {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.proj-decisions li {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding: 20px 0;
  border-top: 1px solid rgba(var(--color-text-rgb), 0.08);
}

.proj-decision-title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.proj-decision-why {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-muted);
}

/* ── Architecture diagram ────────────────────────────────────────────────── */
.proj-arch-diagram {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(var(--color-text-rgb), 0.1);
  margin: 32px 0 48px;
  background: rgba(var(--color-text-rgb), 0.03);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.proj-arch-diagram img {
  width: 100%;
  display: block;
}

.proj-arch-components {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.proj-arch-component {
  padding: 20px;
  border: 1px solid rgba(var(--color-text-rgb), 0.1);
  border-radius: 10px;
}

.proj-arch-label {
  display: block;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.proj-arch-component p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* ── Demo ────────────────────────────────────────────────────────────────── */
.proj-demo-media {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(var(--color-text-rgb), 0.1);
  margin: 32px 0 40px;
  background: #000;
}
.proj-demo-media video {
  width: 100%;
  display: block;
}

.proj-demo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  margin: 32px 0 40px;
  transition: background 0.2s ease, color 0.2s ease;
}
.proj-demo-link:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.proj-demo-callouts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.proj-callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.proj-callout-num {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1.4;
}

.proj-callout p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.proj-footer {
  padding: clamp(48px, 6vh, 80px) 0;
  border-top: 1px solid rgba(var(--color-text-rgb), 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.proj-footer-back,
.proj-footer-next {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.proj-footer-back:hover,
.proj-footer-next:hover { color: var(--color-accent); }

/* ── Break sections.css sections out of proj-main's max-width constraint ─── */
/* proj-main is max-width:1080px centered — these sections must be full-bleed */
.case-study-section,
.arch-section,
.pipeline-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .proj-two-col { grid-template-columns: 1fr; }
  .proj-decisions li { grid-template-columns: 1fr; gap: 8px; }
  .proj-back-link { display: none; }
}
