:root, [data-theme="light"] {
  --color-bg: #f7f6f2;
  --color-surface: #fbfbf9;
  --color-surface-2: #f1efe8;
  --color-border: #d7d3ca;
  --color-text: #28251d;
  --color-text-muted: #6f6b63;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-text-inverse: #f9f8f4;
  --shadow-sm: 0 4px 16px rgba(23, 22, 20, .06);
  --shadow-md: 0 16px 40px rgba(23, 22, 20, .12);
  --radius-md: .75rem;
  --radius-lg: 1.25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --text-sm: clamp(.875rem, .84rem + .18vw, 1rem);
  --text-base: clamp(1rem, .98rem + .18vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.03rem + .45vw, 1.5rem);
  --text-xl: clamp(1.7rem, 1.3rem + 1.4vw, 2.7rem);
  --text-2xl: clamp(2.5rem, 1.6rem + 3vw, 4.8rem);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
}

[data-theme="dark"] {
  --color-bg: #171614;
  --color-surface: #1d1b19;
  --color-surface-2: #23211f;
  --color-border: #383632;
  --color-text: #ede8df;
  --color-text-muted: #b2aca0;
  --color-primary: #4f98a3;
  --color-primary-hover: #77b2bb;
  --color-text-inverse: #171614;
  --shadow-sm: 0 8px 18px rgba(0, 0, 0, .22);
  --shadow-md: 0 22px 48px rgba(0, 0, 0, .35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: inherit;
}

a:hover {
  color: var(--color-primary-hover);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: .75rem 1rem;
  border-radius: .5rem;
  z-index: 1000;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 1rem 1.25rem;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  letter-spacing: .02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-list {
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-list li {
  list-style: none;
}

.nav-list a,
.theme-toggle {
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-text-muted);
}

.theme-toggle {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  padding: .6rem .85rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

.hero,
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 1.25rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  min-height: 78vh;
}

.eyebrow {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-primary);
  font-weight: 700;
}

h1,
h2 {
  font-family: var(--font-display);
  line-height: 1.04;
  margin: 0 0 1rem;
}

h1 {
  font-size: var(--text-2xl);
  max-width: 12ch;
}

h2 {
  font-size: var(--text-xl);
}

p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  max-width: 62ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .85rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
}

.button.primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: transparent;
}

.button.primary:hover {
  background: var(--color-primary-hover);
}

.hero-card,
.card,
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.hero-card {
  overflow: hidden;
}

.hero-card img {
  aspect-ratio: 4/5;
  object-fit: cover;
}

.section-grid,
.feature-grid,
.gallery {
  display: grid;
  gap: 1.25rem;
}

.section-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 1.4rem;
}

.card h3 {
  margin: .2rem 0 .6rem;
  font-size: var(--text-lg);
}

.gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.gallery img {
  aspect-ratio: 4/3;
  object-fit: cover;
}

.gallery figcaption {
  padding: 1rem;
  color: var(--color-text-muted);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 1.25rem;
}

.contact-card {
  padding: 1.5rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: .8rem;
}

.contact-list a {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 600;
}

footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  color: var(--color-text-muted);
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin: 0 auto;
  max-width: 1100px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 860px) {
  .hero,
  .section-grid,
  .feature-grid,
  .gallery,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 3rem;
  }

  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}