:root {
  --bg: #ffffff;
  --bg-alt: #f4f4f4;
  --ink: #000000;
  --ink-soft: #4a4a4a;
  --brand: #ef3340;
  --brand-dark: #c8222e;
  --border: #e5e5e5;
  --radius: 12px;
  --max: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--brand); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
}
@media (max-width: 600px) {
  .logo { height: 36px; }
}
.site-header nav a {
  color: var(--ink-soft);
  margin-left: 1.25rem;
  font-weight: 500;
}
.site-header nav a:hover { color: var(--brand); text-decoration: none; }
.site-header nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--brand);
}
.site-header nav a.nav-cta { color: var(--ink); position: relative; }
.site-header nav a.nav-cta::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  margin-left: 0.35rem;
  vertical-align: middle;
  transform: translateY(-1px);
}
@media (max-width: 700px) {
  .nav { flex-wrap: wrap; gap: 0.5rem; padding: 0.75rem 1.25rem; }
  .site-header nav { display: flex; flex-wrap: wrap; }
  .site-header nav a { margin-left: 0; margin-right: 1rem; font-size: 0.95rem; }
  .site-header nav a:last-child { margin-right: 0; }
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(1200px 400px at 20% -10%, rgba(239,51,64,0.08), transparent 60%),
    radial-gradient(900px 300px at 100% 0%, rgba(0,0,0,0.04), transparent 60%);
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 22ch;
}
.hero h1::after {
  content: ".";
  color: var(--brand);
}
.hero .lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 1.75rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Page hero (subpages) */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  background: radial-gradient(900px 300px at 15% -20%, rgba(239,51,64,0.06), transparent 60%);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.85rem;
  max-width: 24ch;
}
.page-hero .lead {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0;
}
.btn {
  display: inline-block;
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform .05s ease-in-out, background .15s ease-in-out;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--brand); }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { border-color: var(--brand); color: var(--brand); }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  letter-spacing: -0.01em;
  margin: 0 0 2rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
  transition: border-color .15s ease-in-out, transform .15s ease-in-out;
}
.card::before {
  content: "";
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}
.card h3 { margin: 0 0 0.5rem 1.25rem; font-size: 1.1rem; }
.card p { margin: 0; color: var(--ink-soft); }
.card:hover { border-color: var(--ink); transform: translateY(-2px); }

/* Linked cards */
.card-link {
  display: block;
  color: var(--ink);
}
.card-link:hover { color: var(--ink); text-decoration: none; }
.card-link:hover h3 { color: var(--brand); }
.card-more {
  display: block;
  margin-top: 0.85rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--brand);
}
.card-more::after {
  content: " \2192";
}

/* Tech stack strip */
.stack { margin-top: 2.5rem; }
.stack-label {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  font-weight: 600;
}
.stack-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.stack-list li {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  background: var(--bg-alt);
}

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.steps li {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.steps h3 { margin: 0 0 0.5rem; font-size: 1.05rem; color: var(--ink); }
.steps p { margin: 0; color: var(--ink-soft); }

/* Contact */
.contact .lead { max-width: 60ch; color: var(--ink-soft); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.site-footer p { margin: 0; }
.footer-sep { color: var(--border); margin: 0 0.5rem; }
.site-footer a { color: var(--ink); }
.site-footer a:hover { color: var(--brand); }