/* =========================================
   Steve Kansa Portfolio — Global Styles
   ========================================= */

:root {
  --color-bg: #0e0e11;
  --color-surface: #18181d;
  --color-border: #2a2a35;
  --color-text: #e8e8ee;
  --color-muted: #8888a0;
  --color-accent: #5b7cfa;
  --color-accent-hover: #7b96ff;
  --color-tag-bg: #1e2035;
  --color-tag-text: #8a9ff5;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --max-width: 900px;
  --radius: 12px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

img { max-width: 100%; display: block; }

/* ---- Layout ---- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ---- Nav ---- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14,14,17,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-weight: 700;
  font-size: 17px;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.nav-logo:hover { color: var(--color-text); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--color-muted);
  font-size: 15px;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--color-text); }

/* ---- Avatar ---- */
.hero-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 5%;
  margin-bottom: 24px;
  border: 3px solid var(--color-border);
  display: block;
}

/* ---- Hero ---- */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--color-border);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 24px;
}
.hero-eyebrow::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}
.hero h1 {
  font-size: clamp(38px, 6vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--color-text);
  max-width: 720px;
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}
.hero-sub {
  font-size: 19px;
  color: var(--color-muted);
  max-width: 580px;
  line-height: 1.6;
  margin-bottom: 40px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--color-muted);
}
.hero-meta span { display: flex; align-items: center; gap: 6px; }

/* ---- Section headers ---- */
.section { padding: 72px 0; }
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
  color: var(--color-text);
}

/* ---- Case study cards ---- */
.case-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.case-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
}
.case-card:last-child { border-bottom: 1px solid var(--color-border); }
.case-card:hover .card-title { color: var(--color-accent); }
.case-card:hover .card-arrow { transform: translate(4px, -4px); color: var(--color-accent); }

.card-left { min-width: 0; }
.card-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.card-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 10px;
  transition: color var(--transition);
  line-height: 1.3;
}
.card-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  max-width: 600px;
}
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}
.card-arrow {
  font-size: 22px;
  color: var(--color-muted);
  transition: all var(--transition);
  flex-shrink: 0;
  margin-top: 4px;
}

/* ---- About section ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p { color: var(--color-muted); margin-bottom: 16px; line-height: 1.8; }
.about-text p:last-child { margin-bottom: 0; }
.about-sub { font-size: 17px; font-weight: 600; color: var(--color-text) !important; margin-bottom: 16px !important; }
.about-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.about-bullets li {
  color: var(--color-muted);
  padding: 6px 0 6px 20px;
  position: relative;
  line-height: 1.6;
}
.about-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}
.skills-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.skill-row { display: flex; flex-direction: column; gap: 6px; }
.skill-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.03em;
}
.skill-items { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 6px;
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 14px;
}
footer a { color: var(--color-muted); }
footer a:hover { color: var(--color-text); }
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 16px; }

/* ========================================
   Case Study Pages
   ======================================== */
.cs-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--color-border);
}
.cs-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 40px;
  transition: color var(--transition);
}
.cs-back:hover { color: var(--color-text); }
.cs-back::before { content: '←'; }

.cs-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.cs-hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 700px;
}
.cs-subtitle {
  font-size: 18px;
  color: var(--color-muted);
  max-width: 600px;
  margin-bottom: 40px;
}
.cs-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}
.cs-meta-item { display: flex; flex-direction: column; gap: 4px; }
.cs-meta-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.cs-meta-value { font-size: 15px; font-weight: 600; color: var(--color-text); }

/* Case study body */
.cs-body { padding: 72px 0; }
.cs-body h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 56px 0 16px;
  padding-top: 56px;
  border-top: 1px solid var(--color-border);
}
.cs-body h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.cs-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin: 32px 0 12px;
}
.cs-body p {
  color: var(--color-muted);
  margin-bottom: 16px;
  max-width: 700px;
  line-height: 1.8;
}
.cs-body ul, .cs-body ol {
  padding-left: 24px;
  color: var(--color-muted);
  margin-bottom: 16px;
  max-width: 680px;
}
.cs-body li { margin-bottom: 8px; line-height: 1.7; }
.cs-body strong { color: var(--color-text); font-weight: 600; }

/* Finding callout */
.finding {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 24px 0;
  max-width: 700px;
}
.finding-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.finding p { color: var(--color-text); margin-bottom: 8px; font-weight: 500; }
.finding p:last-child { margin-bottom: 0; }
.finding span { color: var(--color-muted); font-size: 15px; font-weight: 400; }

/* Outcomes */
.outcomes {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 24px 0;
  max-width: 700px;
}
.outcome-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}
.outcome-stat:last-child { margin-bottom: 0; }
.outcome-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  min-width: 80px;
}
.outcome-desc { font-size: 15px; color: var(--color-muted); }

/* Case study images */
.cs-img {
  width: 100%;
  max-width: 700px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin: 24px 0;
  display: block;
}

/* Phase header */
.phase-header {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* Next case study nav */
.cs-nav {
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cs-nav-label { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 6px; }
.cs-nav-title { font-size: 18px; font-weight: 700; color: var(--color-text); }
.cs-nav a:hover .cs-nav-title { color: var(--color-accent); }
.cs-nav-next { text-align: right; }

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .about-grid { grid-template-columns: 1fr; }
  .case-card { grid-template-columns: 1fr; }
  .card-arrow { display: none; }
  .cs-meta-row { gap: 20px; }
  .cs-nav { flex-direction: column; gap: 24px; align-items: flex-start; }
}