/* ---------- Custom properties ---------- */
:root {
  --color-bg: #ffffff;
  --color-bg-cream: #f3efe7;
  --color-text: #1a1a1a;
  --color-muted: #6b655c;
  --color-border: #e2dcd0;
  --color-border-white: #e6e6e1;
  --color-accent: #c2410c;
  --color-accent-contrast: #ffffff;
  --color-badge-bg: #e7f5ea;
  --color-badge-text: #157347;
  --color-badge-border: #bfe3c9;
  --color-footer-bg: #181818;
  --color-footer-text: #c9c9c6;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Roboto Slab", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max-width: 72rem;
  --radius: 0.375rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #131211;
    --color-bg-cream: #1c1a17;
    --color-text: #f2efe9;
    --color-muted: #b3aca1;
    --color-border: #35322c;
    --color-border-white: #2c2a26;
    --color-accent: #fb8a4c;
    --color-accent-contrast: #131211;
    --color-badge-bg: #16261c;
    --color-badge-text: #7ad999;
    --color-badge-border: #2c4a35;
    --color-footer-bg: #0c0b0a;
    --color-footer-text: #a9a49b;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------- Accessibility helpers ---------- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  transition: top 0.15s ease;
  z-index: 100;
}
.skip-link:focus { top: 0.5rem; }

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

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

section { padding-block: 5rem; border-top: 1px solid var(--color-border-white); }
.hero { border-top: none; }
.hero, .services, .about { background: var(--color-bg-cream); }
.projects { background: var(--color-bg); }
.services, .about { border-top-color: var(--color-border); }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem); }
h2 { font-size: clamp(1.75rem, 2vw + 1.25rem, 2.5rem); margin-bottom: 2.5rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
p { color: var(--color-muted); margin: 0 0 1rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.accent { color: var(--color-accent); }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg-cream);
  z-index: 10;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.1rem;
  flex-wrap: wrap;
}
.logo {
  font-family: var(--font-serif);
  font-weight: 700;
  text-decoration: none;
  color: var(--color-text);
  font-size: 1.05rem;
}
.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}
.site-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--color-accent); }

.lang-toggle {
  display: flex;
  border: 1px solid var(--color-text);
  border-radius: var(--radius);
  overflow: hidden;
}
.lang-toggle a {
  font: inherit;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.65rem;
  border: 0;
  background: var(--color-bg-cream);
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  line-height: 1;
}
.lang-toggle a + a { border-left: 1px solid var(--color-text); }
.lang-toggle a[aria-current="page"] {
  background: var(--color-text);
  color: var(--color-bg-cream);
}

/* ---------- Hero ---------- */
.hero { padding-block: 6rem; }
.hero h1 { max-width: 40rem; }
.hero__sub {
  max-width: 32rem;
  font-size: 1.05rem;
  margin-top: 1.5rem;
  margin-bottom: 2.5rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.button {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
}
.button--primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}
.button--primary:hover { opacity: 0.9; }
.button--secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-text);
}
.button--secondary:hover { background: var(--color-border-white); }

/* ---------- Services ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.service-card {
  padding: 2rem;
  border-right: 1px solid var(--color-border);
}
.service-card:last-child { border-right: none; }
.service-card__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

/* ---------- Projects ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border-white);
  border-radius: var(--radius);
  overflow: hidden;
}
.project-card {
  padding: 2rem;
  border-right: 1px solid var(--color-border-white);
  border-bottom: 1px solid var(--color-border-white);
}
.project-card h3 { font-size: 1.1rem; }
.project-card h3 a {
  text-decoration: none;
  color: var(--color-text);
}
.project-card h3 a:hover { color: var(--color-accent); }

.card__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0 0 1.25rem;
}
.card__tags li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

.project-card__link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  text-decoration: none;
}
.project-card__link:hover { text-decoration: underline; }

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
}
.about__intro h2 { margin-bottom: 1.5rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin: 0;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
}
.badge--available {
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
  border: 1px solid var(--color-badge-border);
}
.badge__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.about__body p { font-size: 1.02rem; }

/* ---------- Contact / Footer ---------- */
.site-footer { background: var(--color-bg); }
.site-footer > .wrap { padding-block: 5rem; border-top: 1px solid var(--color-border-white); }
.contact__body { max-width: 34rem; }
.contact__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(12rem, 20rem));
  gap: 3rem;
  margin-top: 2.5rem;
}
.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}
.contact__email {
  display: inline-block;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: underline;
  font-size: 1.1rem;
}

.social-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}
.social-links a:hover { color: var(--color-accent); }
.icon { width: 1rem; height: 1rem; }

.site-footer__bar {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}
.site-footer__bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 1.5rem;
  font-size: 0.85rem;
}
.footer__meta { color: var(--color-footer-text); margin: 0; }
.footer__bar-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.footer__bar-links a {
  color: var(--color-footer-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.footer__bar-links a:hover { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 56rem) {
  .service-grid, .project-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(2) { border-right: none; }
  .project-card:nth-child(2n) { border-right: none; }
  .about__grid { grid-template-columns: 1fr; }
}

@media (max-width: 40rem) {
  .site-header__inner { justify-content: space-between; }
  .site-nav ul { gap: 1.1rem; flex-wrap: wrap; }
  .service-grid, .project-grid { grid-template-columns: 1fr; }
  .service-card { border-right: none; border-bottom: 1px solid var(--color-border); }
  .service-card:last-child { border-bottom: none; }
  .project-card { border-right: none; }
  .contact__grid { grid-template-columns: 1fr; }
}