/* ============================================================
   Favour Atane — Portfolio
   Design tokens
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,680&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #14171C;
  --ink-soft: #363B42;
  --paper: #F2F4F1;
  --paper-raised: #FFFFFF;
  --line: #DAD9D0;
  --line-soft: #E7E5DC;
  --muted: #6B7178;

  --amber: #B97A2E;
  --amber-soft: #F3E6D3;
  --amber-line: #E4CBA4;
  --teal: #1F6E62;
  --teal-soft: #DCEAE6;
  --teal-line: #B9D8D1;

  --accent: var(--teal);
  --accent-soft: var(--teal-soft);
  --accent-line: var(--teal-line);

  --serif: 'Fraunces', 'Iowan Old Style', serif;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --max: 780px;
  --wide: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 1.5px 1.5px, rgba(20,23,28,0.05) 1px, transparent 0);
  background-size: 28px 28px;
}

body.theme-analytics { --accent: var(--amber); --accent-soft: var(--amber-soft); --accent-line: var(--amber-line); }
body.theme-automation { --accent: var(--teal); --accent-soft: var(--teal-soft); --accent-line: var(--teal-line); }

img { max-width: 100%; display: block; }
a { color: inherit; }
code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 5px;
}

.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 32px; }
.prose { max-width: var(--max); }

/* ---------- Top accent bar ---------- */

.top-bar {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--amber) 0%, var(--amber) 45%, var(--teal) 55%, var(--teal) 100%);
}

/* ---------- Nav ---------- */

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 32px;
  max-width: var(--wide);
  margin: 0 auto;
}

.site-nav .brand {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 9px;
}

.site-nav .brand .mark {
  width: 9px; height: 9px; border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), var(--teal));
  display: inline-block;
}

.site-nav .links { display: flex; align-items: center; font-size: 14.5px; }

.site-nav .links a {
  text-decoration: none;
  color: var(--ink-soft);
  padding-bottom: 3px;
  margin-right: 30px;
  border-bottom: 1px solid transparent;
  transition: border-color .15s ease, color .15s ease;
  font-family: var(--mono);
}

.site-nav .links a:last-child { margin-right: 0; }

.site-nav .links a:hover,
.site-nav .links a.active {
  color: var(--ink);
  border-bottom-color: currentColor;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: relative; }
  .site-nav .links {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--paper-raised);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 8px 32px;
    z-index: 20;
  }
  .site-nav .links.open { display: flex; }
  .site-nav .links a { padding: 14px 0; margin-right: 0; border-bottom: 1px solid var(--line); }
}

/* ---------- Hero ---------- */

.hero { padding: 30px 0 90px; position: relative; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}

@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.eyebrow-role {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.eyebrow-role .rule { width: 26px; height: 1px; background: var(--muted); display: inline-block; }

.hero h1 {
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.08;
  margin: 0 0 24px;
  letter-spacing: -0.015em;
  max-width: 18ch;
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
}

.hero p.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 55ch;
  margin: 0 0 36px;
  line-height: 1.65;
}

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 3px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--ink);
  transition: background .15s ease, color .15s ease, transform .15s ease;
}

.btn.solid { background: var(--ink); color: var(--paper); }
.btn.solid:hover { background: var(--ink-soft); }
.btn.outline { background: transparent; color: var(--ink); }
.btn.outline:hover { background: var(--ink); color: var(--paper); }

/* ---------- Portrait ---------- */

.portrait-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--ink);
  border-radius: 4px;
  overflow: hidden;
}

.portrait-frame img { width: 100%; height: 100%; object-fit: cover; }

.portrait-art { position: absolute; inset: 0; width: 100%; height: 100%; }

.portrait-mark {
  position: absolute;
  left: 22px; bottom: 56px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.portrait-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: rgba(242,244,241,0.8);
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
  display: flex;
  justify-content: space-between;
}

.portrait-corner {
  position: absolute;
  top: 18px; right: 18px;
  width: 10px; height: 10px;
  border-top: 1.5px solid var(--teal);
  border-right: 1.5px solid var(--amber);
  opacity: 0.85;
}

/* ---------- Section scaffolding ---------- */

section { padding: 80px 0; }
.section-line { border-top: 1px solid var(--line); }

.section-head {
  max-width: 640px;
  margin-top: 28px;
  margin-bottom: 36px;
}

.section-head .kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}

.section-head h2 {
  font-family: var(--serif);
  font-weight: 560;
  font-size: 31px;
  margin: 0 0 12px;
  line-height: 1.2;
}

.section-head .section-desc {
  color: var(--ink-soft);
  max-width: 58ch;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.6;
}

/* ---------- Principles row (home) ---------- */

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
@media (max-width: 720px) { .principles { grid-template-columns: 1fr; } }

.principle {
  padding: 0 28px 0 0;
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.principle:first-child { border-left: none; padding-left: 0; }
@media (max-width: 720px) {
  .principle { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 24px; margin-top: 24px; }
  .principle:first-child { border-top: none; padding-top: 0; margin-top: 0; }
}

.principle .num {
  font-family: var(--serif);
  font-size: 34px;
  color: var(--line);
  margin-bottom: 12px;
  line-height: 1;
}

.principle h3 { font-family: var(--serif); font-weight: 560; font-size: 21px; margin: 0 0 10px; }
.principle p { color: var(--ink-soft); margin: 0; font-size: 15.5px; }

/* ---------- Stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 0;
}
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.stat { padding-top: 18px; border-top: 2px solid var(--ink); }
.stat:nth-child(2) { border-top-color: var(--amber); }
.stat:nth-child(3) { border-top-color: var(--teal); }
.stat:nth-child(4) { border-top-color: var(--ink); }

.stat .figure { font-family: var(--serif); font-size: 42px; font-weight: 560; color: var(--ink); }
.stat .label { font-size: 13.5px; color: var(--muted); margin-top: 6px; }

/* ---------- Path cards ---------- */

.paths { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 720px) { .paths { grid-template-columns: 1fr; } }

.path-card {
  position: relative;
  padding: 38px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease;
}

.path-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -18px rgba(20,23,28,0.35); }

.path-card .glyph { position: absolute; top: 26px; right: 26px; width: 56px; height: 56px; opacity: 0.9; }

.path-card .tag {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.path-card.analytics .tag { color: var(--amber); }
.path-card.automation .tag { color: var(--teal); }
.path-card.analytics { border-top: 3px solid var(--amber); }
.path-card.automation { border-top: 3px solid var(--teal); }

.path-card h3 {
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 560;
  margin: 16px 0 12px;
  max-width: 85%;
}

.path-card p { color: var(--ink-soft); margin: 0 0 20px; font-size: 15.5px; max-width: 42ch; }

.path-card .go { font-family: var(--mono); font-size: 13.5px; font-weight: 500; }
.path-card.analytics .go { color: var(--amber); }
.path-card.automation .go { color: var(--teal); }

/* ---------- Project entries ---------- */

.project {
  padding: 56px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  position: relative;
}
.project:last-child { border-bottom: 1px solid var(--line); }

@media (max-width: 780px) { 
  .project { 
    grid-template-columns: 1fr; 
    gap: 24px;
    padding: 48px 0;
  } 
}

.project .meta { align-self: start; position: sticky; top: 100px; }

@media (max-width: 780px) { .project .meta { position: relative; top: 0; } }

.project .index {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
  font-weight: 500;
}

.project .status {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 16px;
  font-weight: 500;
}

.status.production { background: var(--teal-soft); color: var(--teal); }
.status.confidential { background: #EDE9E2; color: var(--ink-soft); }
.status.inprogress { background: var(--amber-soft); color: var(--amber); }

.project .timeframe {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  display: block;
  margin-bottom: 18px;
}

.project .stack { display: flex; flex-wrap: wrap; gap: 8px; }

.project .stack span {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 4px 9px;
  background: var(--paper-raised);
}

.project h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 560;
  margin: 0 0 28px;
  line-height: 1.2;
  max-width: 36ch;
}

/* case study step flow */

.case-steps { position: relative; margin-top: 8px; }

.case-step {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 20px;
  position: relative;
  margin-bottom: 2px;
}

.case-step-marker { position: relative; display: flex; justify-content: center; }

.case-step-marker .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
  position: relative;
  z-index: 2;
}

.case-step:not(:last-child) .case-step-marker::after {
  content: '';
  position: absolute;
  top: 16px; bottom: -22px;
  width: 1px;
  background: var(--line);
  left: 50%;
  transform: translateX(-50%);
}

.case-step-body { padding-bottom: 30px; }
.case-step:last-child .case-step-body { padding-bottom: 0; }

.case-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.case-step-body p { 
  margin: 0; 
  color: var(--ink-soft); 
  font-size: 16px; 
  line-height: 1.7;
}
.case-step-body p.outcome { color: var(--ink); font-weight: 500; }

/* ---------- Page intro ---------- */

.page-hero { 
  padding: 60px 0 40px; 
  position: relative; 
  border-bottom: 1px solid var(--line);
  margin-bottom: 60px;
}

.page-hero .tag {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  font-weight: 500;
}

.page-hero .tag .rule { width: 26px; height: 1px; background: var(--accent); display: inline-block; }

.page-hero h1 {
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(36px, 4.8vw, 52px);
  margin: 0 0 20px;
  line-height: 1.15;
  max-width: 20ch;
  letter-spacing: -0.01em;
}

.page-hero p { 
  max-width: 65ch; 
  color: var(--ink-soft); 
  font-size: 17px;
  line-height: 1.65;
}

/* ---------- Footer ---------- */

footer { padding: 60px 0 60px; border-top: 1px solid var(--line); margin-top: 40px; }

footer .foot-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
}

footer h2 { font-family: var(--serif); font-weight: 560; font-size: 27px; margin: 0 0 14px; }

footer .contact-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--mono);
  font-size: 14.5px;
}

footer .contact-links a { text-decoration: none; }
footer .contact-links a:hover { text-decoration: underline; }

footer .copyright { font-size: 13px; color: var(--muted); }

/* ---------- Footer ---------- */

.contact-footer {
  background: linear-gradient(135deg, var(--paper) 0%, var(--paper-raised) 100%);
  border-top: 1px solid var(--line);
  padding: 90px 0 50px;
  margin-top: 80px;
}

.contact-section { margin-bottom: 60px; }

.contact-header {
  text-align: center;
  margin-bottom: 64px;
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
}

.contact-header h2 {
  font-family: var(--serif);
  font-weight: 560;
  font-size: 44px;
  margin: 0 0 14px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.contact-header p {
  font-size: 18px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.6;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

@media (max-width: 860px) { .contact-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; } }
@media (max-width: 560px) { .contact-grid { grid-template-columns: 1fr; gap: 16px; } }

.contact-card {
  display: block;
  text-decoration: none;
}

.contact-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 32px 28px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  color: var(--ink);
  text-decoration: none;
  transition: all .2s ease;
  cursor: pointer;
  height: 100%;
}

.contact-button:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(20, 23, 28, 0.15);
  transform: translateY(-4px);
  background: linear-gradient(135deg, rgba(242, 244, 241, 0.5), var(--paper-raised));
}

.contact-button svg {
  width: 36px;
  height: 36px;
  color: var(--accent);
}

.contact-button span {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 560;
  color: var(--ink);
}

.contact-button p {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  text-align: center;
  word-break: break-word;
}

.contact-button.email:hover svg { color: #2563eb; }
.contact-button.linkedin:hover svg { color: #0a66c2; }
.contact-button.github:hover svg { color: #333; }
.contact-button.phone:hover svg { color: #16a34a; }

.resume-section {
  text-align: center;
  padding: 48px 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-soft) 0%, rgba(31, 110, 98, 0.08) 100%);
  border: 1px solid var(--accent-line);
}

.resume-section p {
  font-size: 17px;
  color: var(--ink);
  margin: 0 0 20px;
  font-weight: 500;
}

.resume-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.resume-section .btn {
  background: var(--accent);
  color: var(--paper-raised);
  border-color: var(--accent);
  font-weight: 500;
}

.resume-section .btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(20, 23, 28, 0.2);
}

.resume-section .btn.outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.resume-section .btn.outline:hover {
  background: var(--accent);
  color: var(--paper-raised);
}

.copyright {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

@media (max-width: 720px) {
  .contact-footer { padding: 70px 0 40px; }
  .contact-header { margin-bottom: 48px; }
  .contact-header h2 { font-size: 36px; }
  .resume-section { padding: 36px 28px; }
}