:root {
  --color-bg: #f5f1ec;
  --color-surface: #fffdfa;
  --color-surface-alt: #efe7db;
  --color-text: #1d1916;
  --color-muted: #5d554e;
  --color-primary: #5f3f3f;
  --color-secondary: #6592a7;
  --color-border: #d9cec2;
  --shadow-soft: 0 18px 42px rgba(38, 24, 14, 0.14);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;

  --step--1: 0.89rem;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.56rem;
  --step-3: 1.95rem;
  --step-4: 2.44rem;

  --radius-sm: 0.65rem;
  --radius-md: 1rem;
  --radius-lg: 1.4rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Source Sans 3", Arial, sans-serif;
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(55rem 35rem at 88% -10%, #e2d9ca 0%, rgba(226, 217, 202, 0) 68%),
    linear-gradient(180deg, #f8f4ee 0%, #f2ece4 50%, #f7f3ee 100%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 253, 250, 0.93);
  border-bottom: 1px solid rgba(95, 63, 63, 0.14);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-family: "Bree Serif", Georgia, serif;
  font-size: var(--step--1);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: var(--step-0);
}

.brand-text small {
  font-size: var(--step--1);
  color: var(--color-muted);
}

.menu-button {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.27rem;
  border: 1px solid var(--color-border);
  border-radius: 0.7rem;
  background: var(--color-surface);
}

.menu-button span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0 auto;
  background: var(--color-text);
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(27, 23, 19, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.site-nav {
  position: fixed;
  top: 4.5rem;
  right: var(--space-3);
  width: min(16rem, calc(100vw - 2.5rem));
  display: grid;
  gap: 0.45rem;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  transform: translateY(-0.5rem) scale(0.98);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}

.site-nav a {
  display: inline-block;
  padding: 0.4rem 0.5rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: 0.5rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: #efe5d8;
}

.site-nav .nav-cta {
  color: #fff;
  background: var(--color-primary);
  text-align: center;
}

.nav-open .site-nav {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.nav-open .menu-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.hero {
  padding: var(--space-3);
  display: grid;
  gap: var(--space-3);
}

.hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(34, 25, 21, 0.14);
  box-shadow: var(--shadow-soft);
}

.hero-media {
  aspect-ratio: 16 / 10;
  background: url("https://assets.kmu-web.ch/gujan-holz/hero-holzbau-werkhalle.jpg") center / cover no-repeat;
}

.hero-panel {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.eyebrow {
  margin: 0 0 var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-secondary);
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: "Bree Serif", Georgia, serif;
  line-height: 1.2;
}

h1 {
  font-size: clamp(var(--step-2), 5vw, var(--step-4));
  margin-bottom: var(--space-2);
}

h2 {
  font-size: clamp(var(--step-2), 4vw, var(--step-3));
  margin-bottom: var(--space-2);
}

h3 {
  font-size: var(--step-1);
  margin-bottom: 0.6rem;
}

.hero p {
  max-width: 52ch;
}

.hero-actions {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  padding: 0.62rem 1.2rem;
}

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

.section {
  padding: var(--space-6) var(--space-3);
}

.section-light {
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.94) 0%, rgba(253, 248, 242, 0.88) 100%);
  border-top: 1px solid rgba(95, 63, 63, 0.09);
  border-bottom: 1px solid rgba(95, 63, 63, 0.09);
}

.section-head {
  max-width: 44rem;
  margin-bottom: var(--space-4);
}

.service-layout,
.process-grid,
.project-grid,
.team-grid,
.contact-layout {
  display: grid;
  gap: var(--space-3);
}

.service-block,
.process-card,
.team-grid article,
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.service-block ul {
  margin: 0;
  padding-left: 1rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.project-photo {
  aspect-ratio: 4 / 3;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.project-copy {
  padding: var(--space-2);
}

.project-copy p {
  margin: 0;
  color: var(--color-muted);
}

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-0.35rem);
  box-shadow: 0 18px 30px rgba(43, 30, 20, 0.16);
}

.map-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  filter: saturate(1.05) contrast(1.02);
  min-height: 18rem;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  border: 0;
}

.site-footer {
  padding: var(--space-4) var(--space-3) var(--space-5);
}

.footer-inner {
  max-width: 75rem;
  margin: 0 auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.25fr 1fr;
    align-items: stretch;
    padding: var(--space-4);
  }

  .hero-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

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

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

@media (min-width: 1024px) {
  .site-header {
    padding: var(--space-2) var(--space-4);
  }

  .menu-button,
  .menu-backdrop {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    border: 0;
    box-shadow: none;
    background: transparent;
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.45rem 0.8rem;
  }

  .section,
  .hero {
    max-width: 80rem;
    margin: 0 auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

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

  .project-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }

}