/* ============================================================
   Finella Technology — shared stylesheet
   Extracted from renewal-automation-case-study.html (originally inline)
   so all pages reference one file instead of duplicating CSS.

   Everything down to "END OF ORIGINAL CASE-STUDY CSS" is
   unchanged from the original page. Below that are additive
   components for the surrounding site (multi-page nav, project
   list, FAQ) built with the same tokens and conventions.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --navy: #0F1F3D;
  --slate: #52606D;
  --copper: #DB8A3D;
  --paper: #FFFFFF;
  --panel: #F4F6F8;
  --ink: #1B2430;
  --line: #E1E5EA;

  --serif: 'Fraunces', Georgia, serif;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.75rem;
  --space-5: 4.5rem;
  --space-6: 6rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

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

a { color: var(--navy); }
a:focus-visible, button:focus-visible, video:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.prose { max-width: 62ch; }

/* ---------- Top nav ---------- */
.top-nav {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
}
.top-nav .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-nav .brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--navy);
  text-decoration: none;
}
.top-nav .back-link {
  font-size: 0.9rem;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.top-nav .back-link:hover { border-bottom-color: var(--slate); }

/* ---------- Hero ---------- */
.hero {
  padding: var(--space-6) 0 var(--space-5);
}
.hero-copy {
  max-width: 44ch;
  animation: hero-in 0.7s ease-out both;
}
@keyframes hero-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  line-height: 1.2;
  color: var(--navy);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}
.automate-line {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  color: var(--copper);
  margin: 0 0 var(--space-3);
}
.hero .lede {
  color: var(--ink);
  font-size: 1.08rem;
  margin: 0 0 var(--space-4);
}
.disclosure {
  font-size: 0.88rem;
  color: var(--slate);
  font-style: italic;
  border-left: 2px solid var(--line);
  padding-left: var(--space-2);
  max-width: 46ch;
}
.disclosure strong {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.3rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Section shell ---------- */
section { padding: var(--space-5) 0; }
section.alt { background: var(--panel); }
section h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.6rem;
  color: var(--navy);
  margin: 0 0 var(--space-3);
}

/* ---------- Before / After ---------- */
.before-after {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-5);
}
.ba-block h3 {
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin: 0 0 var(--space-3);
}
.before-block h3 { color: var(--slate); }
.after-block h3 { color: var(--copper); }

.arrow-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.5rem;
  font-size: 0.98rem;
  color: var(--ink);
}
.arrow-chain .step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.4rem 0.7rem;
}
.arrow-chain .arrow {
  color: var(--slate);
  font-size: 0.9rem;
}

.after-block .after-statement {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--navy);
  margin: 0 0 var(--space-2);
  line-height: 1.3;
}
.after-block .after-sub {
  color: var(--slate);
  font-size: 1rem;
  margin: 0;
}

/* ---------- Video section ---------- */
.video-section .wrap { max-width: 840px; }
.video-section h2 { margin-bottom: 0.4rem; }
.video-sub {
  color: var(--slate);
  margin: 0 0 var(--space-3);
}
.video-frame {
  border: 1px solid var(--line);
  background: var(--navy);
  border-radius: 4px;
  overflow: hidden;
}
.video-frame video {
  display: block;
  width: 100%;
  height: auto;
  background: var(--navy);
}
.video-caption {
  font-size: 0.85rem;
  color: var(--slate);
  margin-top: var(--space-1);
}

/* ---------- Technical (secondary tier) ---------- */
.technical {
  border-top: 1px solid var(--line);
}
.technical-intro {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-2);
}
.technical h2 { font-size: 1.4rem; }
.technical h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--navy);
  margin: var(--space-4) 0 var(--space-2);
}

.flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.flow-list li {
  padding: var(--space-3) var(--space-2);
  border-right: 1px solid var(--line);
}
.flow-list li:last-child { border-right: none; }
.flow-num {
  font-family: var(--mono);
  color: var(--copper);
  font-size: 0.9rem;
  display: block;
  margin-bottom: var(--space-1);
}
.flow-title {
  font-weight: 600;
  display: block;
  margin-bottom: 0.35rem;
  color: var(--navy);
  font-size: 0.95rem;
}
.flow-desc {
  font-size: 0.85rem;
  color: var(--slate);
  line-height: 1.5;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  padding: var(--space-4) var(--space-3);
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat-figure {
  font-family: var(--mono);
  font-size: 2.1rem;
  color: var(--copper);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}
.stat-label {
  color: var(--ink);
  font-size: 0.92rem;
}
.results-note {
  font-size: 0.85rem;
  color: var(--slate);
  margin-top: var(--space-3);
  max-width: 62ch;
}
.cadence-note {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  color: var(--ink);
  max-width: 62ch;
  font-size: 0.95rem;
}

.skills-line { max-width: 68ch; color: var(--ink); }

/* ---------- CTA ---------- */
.cta {
  background: var(--navy);
  color: var(--paper);
  padding: var(--space-5) 0;
}
.cta h2 {
  color: var(--paper);
  font-size: 1.8rem;
  margin-bottom: var(--space-2);
}
.cta p {
  color: #C9D3DF;
  max-width: 46ch;
  margin: 0 0 var(--space-3);
}
.cta-button {
  display: inline-block;
  background: var(--copper);
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border-radius: 3px;
  font-size: 1rem;
}
.cta-button:hover { background: #E6A05F; }

/* ---------- Footer ---------- */
footer {
  padding: var(--space-4) 0 var(--space-5);
  border-top: 1px solid var(--line);
}
footer .foot-links {
  font-size: 0.9rem;
}
footer .foot-links a { color: var(--slate); margin-right: var(--space-3); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .before-after { grid-template-columns: 1fr; gap: var(--space-4); }
  .flow-list { grid-template-columns: 1fr 1fr; }
  .flow-list li { border-bottom: 1px solid var(--line); }
  .flow-list li:nth-child(2n) { border-right: none; }
  .stat-row { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
}

@media (max-width: 560px) {
  .flow-list { grid-template-columns: 1fr; }
  .flow-list li { border-right: none; }
  .arrow-chain { flex-direction: column; align-items: flex-start; }
  .arrow-chain .arrow { transform: rotate(90deg); margin-left: 0.9rem; }
}

/* ============================================================
   END OF ORIGINAL CASE-STUDY CSS
   ============================================================
   Additions below support the surrounding site (home, portfolio,
   about, contact, dummy case studies) using the same tokens.
   ============================================================ */

/* Full nav for non-case-study pages (case study keeps its own
   single back-link nav, unchanged, using .back-link above) */
.nav-links {
  display: flex;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--copper);
}
@media (max-width: 560px) {
  .nav-links { gap: var(--space-2); }
  .nav-links a { font-size: 0.82rem; }
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin: 0 0 var(--space-2);
}

/* Project index — stacked list, not cards, matching the
   hairline-rule language used in .flow-list / .stat-row */
.project-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.project-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
}
.project-row:hover .project-title { color: var(--copper); }
.project-main { max-width: 32rem; }
.project-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--navy);
  margin: 0 0 0.3rem;
  transition: color 0.15s ease;
}
.project-desc {
  color: var(--slate);
  font-size: 0.95rem;
  margin: 0;
}
.project-meta {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--slate);
  white-space: nowrap;
  text-align: right;
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .project-row { flex-direction: column; gap: 0.3rem; }
  .project-meta { text-align: left; }
}

/* FAQ — same stacked-list convention as project-list */
.faq-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.faq-item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
}
.faq-question {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--navy);
  margin: 0 0 0.4rem;
}
.faq-answer {
  color: var(--slate);
  font-size: 0.95rem;
  margin: 0;
  max-width: 62ch;
}

/* Lightweight header for non-case-study pages (About, Contact,
   Portfolio, dummy case studies) that don't need the full
   "problem + Automate it." hero pattern */
.page-header h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  color: var(--navy);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}
.page-header p {
  color: var(--slate);
  max-width: 46ch;
  margin: 0;
  font-size: 1.05rem;
}