/* ============================================================
   Richard Paul Frascona II — Portfolio Shared Stylesheet
   ============================================================ */

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

:root {
  --ink: #1a1a18;
  --ink-soft: #3d3d38;
  --ink-muted: #7a7a72;
  --rule: #e2e0d8;
  --paper: #faf9f6;
  --paper-warm: #f4f2ec;
  --accent: #b85c2c;
  --accent-soft: #d4763e;
  --cream: #ede9e0;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono: 'DM Mono', monospace;
  --sans: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250,249,246,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.nav-name {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
}

.nav-links { display: flex; gap: 36px; list-style: none; }

.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* CASE STUDY PAGE */
.case-page { padding-top: 80px; }

.case-hero {
  padding: 80px 48px 60px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper-warm);
}

.case-back {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  transition: color 0.2s;
}

.case-back:hover { color: var(--accent); }

.case-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.case-headline {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 24px;
  max-width: 800px;
}

.case-deck {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 680px;
  line-height: 1.75;
  margin-bottom: 40px;
}

.case-outcomes-row { display: flex; gap: 2px; flex-wrap: wrap; }

.outcome-chip {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 16px 24px;
  text-align: center;
  min-width: 140px;
}

.outcome-number {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.outcome-label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  line-height: 1.3;
}

/* CASE BODY */
.case-body { max-width: 1100px; margin: 0 auto; padding: 80px 48px 100px; }

.case-section { margin-bottom: 72px; }

.case-section-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}

.case-section p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 16px;
  max-width: 760px;
}

.case-section p:last-child { margin-bottom: 0; }
.case-section strong { font-weight: 500; color: var(--ink); }

.case-section ul {
  margin: 16px 0;
  padding-left: 0;
  list-style: none;
  max-width: 760px;
}

.case-section ul li {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
  padding: 10px 0 10px 24px;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.case-section ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ARTIFACTS */
.artifact-block { margin-bottom: 48px; }

.artifact-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 10px;
}

.artifact-img {
  width: 100%;
  border: 1px solid var(--rule);
  display: block;
}

.artifact-caption {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-top: 10px;
  line-height: 1.5;
  max-width: 760px;
}

.artifact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* SQL */
.sql-block {
  background: var(--ink);
  padding: 28px 32px;
  overflow-x: auto;
  margin-bottom: 10px;
  max-width: 900px;
}

.sql-block pre {
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.7;
  color: #c8c4b8;
  white-space: pre;
}

/* COMPARISON TABLE */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
  max-width: 760px;
}

.comparison-table th {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 12px 16px;
  text-align: left;
}

.comparison-table td {
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.comparison-table tr:nth-child(even) td { background: var(--paper-warm); }

.comparison-table td:first-child {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
  width: 220px;
}

/* TAGS */
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }

.case-tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--rule);
  padding: 4px 10px;
}

/* CONNECT / FOOTER */
.connect-section {
  background: var(--ink);
  padding: 80px 48px;
  text-align: center;
}

.connect-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 24px;
}

.connect-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--paper);
  margin-bottom: 16px;
  line-height: 1.2;
}

.connect-title em { font-style: italic; color: var(--accent-soft); }

.connect-sub {
  font-size: 0.95rem;
  color: #8a8a80;
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.connect-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  padding: 16px 32px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.connect-btn:hover { background: var(--accent); color: var(--paper); }

footer {
  background: var(--ink);
  border-top: 1px solid #2a2a28;
  padding: 24px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-name { font-family: var(--serif); font-size: 0.9rem; color: #4a4a44; }
.footer-note { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; color: #3a3a34; }

/* FADE IN */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links { gap: 20px; }
  .case-hero { padding: 60px 24px 40px; }
  .case-body { padding: 48px 24px 64px; }
  .artifact-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 8px; text-align: center; }
}