/* theozdev.com — implements design-system/theozdev/MASTER.md. Do not deviate
   without recording an override in MASTER.md. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --color-background: #0F172A;
  --color-foreground: #F8FAFC;
  --color-card: #1B2336;
  --color-card-foreground: #F8FAFC;
  --color-muted: #272F42;
  --color-muted-foreground: #94A3B8;
  --color-border: #334155;
  --color-accent: #22C55E;
  --color-on-accent: #0F172A;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  background: var(--color-background);
  color: var(--color-foreground);
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Header --- */
.site-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.site-header h1 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.015em;
  font-size: 2.25rem;
}

.tagline {
  color: var(--color-accent);
  margin: var(--space-xs) 0 var(--space-md);
  font-weight: 500;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  padding: 0;
  margin: 0;
  color: var(--color-muted-foreground);
  font-size: 0.95rem;
}

/* --- Links --- */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 200ms ease;
}
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* --- Sections --- */
main section { padding: var(--space-xl) 0; }
main section + section { border-top: 1px solid var(--color-muted); }

h2 {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted-foreground);
  margin: 0 0 var(--space-lg);
  padding-left: var(--space-sm);
  border-left: 3px solid var(--color-accent);
}

/* --- Job cards --- */
.job {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.job:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.job h3 {
  margin: 0 0 var(--space-xs);
  font-weight: 600;
  letter-spacing: -0.005em;
  font-size: 1.05rem;
}
.org { color: var(--color-muted-foreground); font-weight: 400; }
.date-range {
  color: var(--color-muted-foreground);
  font-size: 0.9rem;
  margin: 0 0 var(--space-sm);
}
.job ul { margin: 0; padding-left: var(--space-lg); }
.job li { margin-bottom: var(--space-xs); }

.muted { color: var(--color-muted-foreground); font-size: 0.9rem; }

/* --- Skills --- */
.skills-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-sm) var(--space-lg);
}
.skills-grid li {
  background: var(--color-muted);
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
}

/* --- Education --- */
#education ul { padding-left: var(--space-lg); margin: 0; }
#education li { margin-bottom: var(--space-xs); }

/* --- Footer --- */
.site-footer {
  padding: var(--space-xl) 0;
  text-align: center;
  color: var(--color-muted-foreground);
  border-top: 1px solid var(--color-muted);
}

#visitor-counter { color: var(--color-accent); font-weight: 600; }

/* --- Motion preferences --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .site-header h1 { font-size: 1.75rem; }
  .container { padding: 0 var(--space-md); }
}