/* --------------------------------------------------------------------------
   Theme
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;
  --color-background: #f8f7f4;
  --color-surface: #ffffff;
  --color-text: #1f2430;
  --color-muted: #5a6373;
  --color-accent: #4b7b6b;
  --color-accent-soft: rgba(75, 123, 107, 0.12);
  --border-radius: 16px;
  --max-width: 980px;
  --shadow-soft: 0 18px 40px rgba(31, 36, 48, 0.08);
}

/* --------------------------------------------------------------------------
   Base reset
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
body {
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: "Fraunces", "Georgia", serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.1rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 0.8rem;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
}

p {
  margin-bottom: 1rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Links
   -------------------------------------------------------------------------- */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--color-text);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Layout utilities
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.6rem 1rem;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  z-index: 10;
}

.skip-link:focus {
  left: 1.2rem;
}

.container {
  width: min(90vw, var(--max-width));
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  padding: 3rem 0 2rem;
}

.site-header .container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.eyebrow {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-list a {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.hero {
  padding: 2rem 0 3rem;
}

.hero h2 {
  max-width: 720px;
  color: var(--color-text);
}

.hero p {
  max-width: 640px;
}

section {
  padding: 2.5rem 0;
}

/* --------------------------------------------------------------------------
   Work cards
   -------------------------------------------------------------------------- */
.work {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  padding: 2.5rem 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--color-background);
  border-radius: 12px;
  padding: 1.6rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid rgba(31, 36, 48, 0.08);
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(31, 36, 48, 0.08);
}

.card p {
  margin-bottom: 0.8rem;
}

.learning {
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-accent-soft);
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
}

.learning span {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   About + contact
   -------------------------------------------------------------------------- */
.about p {
  max-width: 680px;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
}

.contact-list a {
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding: 2.5rem 0 3rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Responsive layout
   -------------------------------------------------------------------------- */
@media (max-width: 720px) {
  .site-header {
    padding-top: 2.5rem;
  }

  .nav-list {
    gap: 1rem;
  }

  .work {
    padding: 2rem 0;
  }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
    transition: none !important;
  }
}