/* style.css — shared styles for the portfolio site.
   Palette follows the same light/dark token pattern as the coach-valuation
   project (data-driven, one place to swap for a rebrand later). */

:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-2: #1baf7a;
  --accent-wash: rgba(42, 120, 214, 0.10);
  --tag-bg: rgba(11, 11, 11, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-2: #199e70;
    --accent-wash: rgba(57, 135, 229, 0.14);
    --tag-bg: rgba(255, 255, 255, 0.08);
  }
}

:root[data-theme="dark"] {
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --accent-2: #199e70;
  --accent-wash: rgba(57, 135, 229, 0.14);
  --tag-bg: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ---------- header ---------- */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.site-header .brand {
  font-weight: 700;
  color: var(--ink);
  font-size: 1.05rem;
}
.site-header .brand:hover { text-decoration: none; }
.site-header nav { display: flex; gap: 22px; }
.site-header nav a {
  color: var(--ink-2);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-header nav a:hover { color: var(--accent); text-decoration: none; }

/* ---------- hero ---------- */

.hero {
  padding: 64px 0 48px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 36px;
  align-items: center;
}
.hero img.headshot {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 1px var(--border);
}
.hero h1 {
  margin: 0 0 6px;
  font-size: 2rem;
}
.hero .tagline {
  margin: 0 0 16px;
  color: var(--ink-2);
  font-size: 1.15rem;
}
.hero .links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--ink);
  background: var(--surface);
}
.btn:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.primary:hover { color: #fff; opacity: 0.9; }

/* ---------- sections ---------- */

section.block { padding: 40px 0; border-top: 1px solid var(--border); }
section.block h2 {
  font-size: 1.4rem;
  margin: 0 0 18px;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.skills li {
  background: var(--tag-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.9rem;
  color: var(--ink-2);
}

/* ---------- project card ---------- */

.project-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.project-card img.thumb {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 10px;
}
.project-card h3 { margin: 0 0 8px; font-size: 1.2rem; }
.project-card p { margin: 0 0 12px; color: var(--ink-2); }
.project-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.project-card .tags span {
  background: var(--tag-bg);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.78rem;
  color: var(--muted);
}
.project-card .actions { display: flex; gap: 14px; }

/* ---------- footer ---------- */

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---------- case study page ---------- */

.case-study .lede {
  font-size: 1.1rem;
  color: var(--ink-2);
}
.case-study .stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 24px 0;
}
.case-study .stat {
  background: var(--accent-wash);
  border-radius: 8px;
  padding: 14px 18px;
  min-width: 160px;
}
.case-study .stat .value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}
.case-study .stat .label {
  font-size: 0.82rem;
  color: var(--ink-2);
}
.case-study figure {
  margin: 24px 0;
  text-align: center;
}
.case-study figure img {
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
.case-study figcaption {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}
.case-study pre {
  background: var(--tag-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.88rem;
}
.case-study .back-link { display: inline-block; margin-bottom: 20px; }

@media (max-width: 640px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero .links { justify-content: center; }
  .project-card { grid-template-columns: 1fr; }
}