:root {
  --bg: #f4efe6;
  --bg-alt: #fbf8f2;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: #fffdf8;
  --line: rgba(20, 32, 43, 0.12);
  --text: #15202b;
  --muted: #5f6b73;
  --accent: #1d4f63;
  --accent-strong: #0d3545;
  --accent-soft: #dbe9eb;
  --highlight: #b26b3b;
  --shadow: 0 18px 45px rgba(23, 38, 45, 0.08);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 999px;
  --max-width: 1180px;
  --body-font: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --heading-font: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Baskerville, Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(178, 107, 59, 0.12), transparent 32%),
    radial-gradient(circle at right 20%, rgba(29, 79, 99, 0.12), transparent 28%),
    linear-gradient(180deg, #f8f3eb 0%, #f4efe6 45%, #efe9dd 100%);
  color: var(--text);
  font-family: var(--body-font);
  line-height: 1.6;
}

a {
  color: inherit;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 10;
  padding: 0.95rem 1.15rem;
  margin-bottom: 2rem;
  background: rgba(251, 248, 242, 0.82);
  border: 1px solid rgba(21, 32, 43, 0.08);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 24px rgba(23, 38, 45, 0.05);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--accent-strong);
  color: #f8f3eb;
  font-weight: 700;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--accent-strong);
}

.hero,
.section,
.contact-card,
.project-layout,
.project-summary,
.project-details,
.project-sidebar {
  opacity: 0;
  transform: translateY(18px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.95fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.hero-copy,
.hero-panel,
.section,
.contact-card,
.project-summary,
.project-details,
.project-sidebar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.section {
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.hero h1,
.section h2,
.project-hero h1,
.project-summary h2,
.project-details h2,
.project-sidebar h2,
.project-sidebar h3,
.focus-card h3,
.approach-card h3,
.project-card h3 {
  font-family: var(--heading-font);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-top: 0;
}

.hero h1,
.project-hero h1 {
  font-size: clamp(2.7rem, 6vw, 4.8rem);
  max-width: 11ch;
  margin-bottom: 1rem;
}

.eyebrow,
.panel-label {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lede {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 58ch;
}

.hero-actions,
.project-links,
.contact-links,
.project-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button,
.text-link {
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 700;
}

.button-primary {
  background: var(--accent-strong);
  color: #f9f5ed;
}

.button-secondary {
  background: transparent;
  border-color: rgba(13, 53, 69, 0.2);
  color: var(--accent-strong);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.fact {
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 252, 246, 0.75);
}

.fact-label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.signal-list,
.project-points,
.detail-list,
.sidebar-list {
  padding-left: 1.1rem;
  margin: 1rem 0 0;
}

.signal-list li,
.project-points li,
.detail-list li,
.sidebar-list li {
  margin-bottom: 0.65rem;
}

.section {
  margin-bottom: 1.5rem;
}

.section-heading {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.section-heading p,
.section-heading h2,
.site-footer p {
  margin: 0;
}

.two-column-copy,
.focus-grid,
.approach-grid,
.project-grid,
.snapshot-grid,
.style-grid {
  display: grid;
  gap: 1rem;
}

.two-column-copy,
.focus-grid,
.approach-grid,
.snapshot-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.focus-grid,
.approach-grid {
  margin-top: 1.5rem;
}

.focus-card,
.approach-card,
.project-card,
.snapshot-card,
.style-card {
  padding: 1.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.78);
}

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

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

.snapshot-card:first-child {
  grid-column: span 2;
}

.project-card-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(13, 53, 69, 0.96), rgba(29, 79, 99, 0.92));
  color: #f8f3eb;
}

.project-card-featured p,
.project-card-featured li,
.project-card-featured .text-link {
  color: rgba(248, 243, 235, 0.92);
}

.project-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-sm);
  background: rgba(248, 243, 235, 0.16);
  border: 1px solid rgba(248, 243, 235, 0.18);
  font-size: 0.82rem;
}

.pill-muted {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent-strong);
}

.project-card-featured .pill-muted {
  background: rgba(248, 243, 235, 0.12);
  color: #f8f3eb;
}

.text-link {
  color: var(--accent-strong);
  font-weight: 700;
}

.section-contact {
  background: linear-gradient(135deg, rgba(255, 253, 248, 0.7), rgba(230, 237, 239, 0.8));
}

.contact-card {
  padding: 1.5rem;
}

.site-footer {
  gap: 1rem;
  padding: 1rem 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.project-page .page-shell {
  padding-top: 1rem;
}

.back-link {
  display: inline-flex;
  margin-bottom: 1.25rem;
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.project-hero {
  margin-bottom: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.8rem);
  background: linear-gradient(145deg, rgba(13, 53, 69, 0.97), rgba(31, 87, 106, 0.9));
  color: #f8f3eb;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.project-hero p,
.project-hero li,
.project-hero .text-link,
.project-hero .eyebrow {
  color: rgba(248, 243, 235, 0.92);
}

.project-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.72fr);
  gap: 1.25rem;
}

.project-content {
  display: grid;
  gap: 1.25rem;
}

.project-summary,
.project-details,
.project-sidebar {
  padding: 1.5rem;
}

.project-sidebar {
  align-self: start;
  position: sticky;
  top: 6rem;
  background: rgba(255, 252, 246, 0.9);
}

.detail-block + .detail-block,
.sidebar-block + .sidebar-block {
  margin-top: 1.5rem;
}

.note {
  padding: 1rem;
  border-left: 3px solid var(--highlight);
  background: rgba(178, 107, 59, 0.08);
  border-radius: 0 14px 14px 0;
  color: #5a4536;
}

.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 650ms ease, transform 650ms ease;
}

@media (max-width: 900px) {
  .hero,
  .project-layout,
  .two-column-copy,
  .focus-grid,
  .approach-grid,
  .project-grid,
  .snapshot-grid,
  .style-grid,
  .hero-facts {
    grid-template-columns: 1fr;
  }

  .project-card-featured {
    grid-column: auto;
  }

  .snapshot-card:first-child {
    grid-column: auto;
  }

  .project-sidebar {
    position: static;
  }

  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .site-header {
    top: 0.5rem;
    border-radius: 1.1rem;
  }

  .hero h1,
  .project-hero h1 {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
  }

  .button,
  .site-nav a {
    width: 100%;
    justify-content: center;
  }

  .site-nav {
    width: 100%;
  }
}