:root {
  --bg: #e8e2d8;
  --bg-deep: #d4cdc2;
  --surface: #f3efe8;
  --ink: #1c1a17;
  --ink-soft: #4a453e;
  --muted: #6f675c;
  --line: rgba(28, 26, 23, 0.12);
  --bronze: #8f6a3d;
  --bronze-deep: #6e4f2c;
  --steel: #3d4a55;
  --hero-ink: #f6f1e8;
  --shadow: 0 18px 40px rgba(28, 26, 23, 0.12);
  --radius: 4px;
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(143, 106, 61, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(61, 74, 85, 0.1), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--surface) 45%, var(--bg-deep) 100%);
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--hero-ink);
  padding: 0.75rem 1rem;
  z-index: 1000;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(243, 239, 232, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  text-decoration: none;
  font-weight: 560;
  font-size: 0.95rem;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--bronze-deep);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0.6rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.hero {
  position: relative;
  min-height: min(100vh, 820px);
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--hero-ink);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: hero-drift 18s ease-in-out infinite alternate;
}

.hero-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 16, 14, 0.78) 0%, rgba(18, 16, 14, 0.45) 48%, rgba(18, 16, 14, 0.2) 100%),
    linear-gradient(0deg, rgba(18, 16, 14, 0.72) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: clamp(5rem, 12vh, 8rem) 0 clamp(3rem, 8vh, 5rem);
  max-width: 38rem;
  justify-self: start;
  margin-left: max(1rem, calc((100% - var(--max)) / 2));
  animation: rise-in 0.9s ease both;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 1.25rem;
  color: var(--hero-ink);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 18ch;
}

.hero-lead {
  margin: 0 0 1.75rem;
  color: rgba(246, 241, 232, 0.86);
  font-size: 1.05rem;
  max-width: 36ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 650;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--bronze);
  color: #fff;
}

.btn-primary:hover {
  background: var(--bronze-deep);
}

.btn-ghost {
  border-color: rgba(246, 241, 232, 0.45);
  color: var(--hero-ink);
  background: rgba(246, 241, 232, 0.06);
}

.btn-ghost:hover {
  border-color: rgba(246, 241, 232, 0.8);
  background: rgba(246, 241, 232, 0.12);
}

.notice {
  width: min(100% - 2rem, var(--max));
  margin: var(--space) auto 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--bronze);
  background: rgba(143, 106, 61, 0.1);
  color: var(--ink-soft);
}

.notice p {
  margin: 0;
}

.about,
.systems,
.projects,
.contact {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding-block: clamp(3.5rem, 8vw, 5.5rem);
}

.section-intro {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
}

.section-intro h2,
.contact-block h2 {
  font-family: var(--font-display);
  font-weight: 750;
  font-size: clamp(1.7rem, 3.4vw, 2.45rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 0.85rem;
}

.section-intro p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

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

.about-list li {
  position: relative;
  padding: 1.15rem 1.15rem 1.15rem 2.5rem;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  opacity: 0;
  transform: translateY(16px);
  animation: rise-in 0.7s ease forwards;
}

.about-list li:nth-child(1) { animation-delay: 0.05s; }
.about-list li:nth-child(2) { animation-delay: 0.12s; }
.about-list li:nth-child(3) { animation-delay: 0.19s; }
.about-list li:nth-child(4) { animation-delay: 0.26s; }
.about-list li:nth-child(5) { animation-delay: 0.33s; }

.about-list li::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 1.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--bronze);
}

.systems {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.system-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.system-tags li {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  background: rgba(61, 74, 85, 0.06);
  color: var(--steel);
  font-weight: 650;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.filter {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter:hover,
.filter.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--hero-ink);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1.25rem;
}

.project-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.project-item.is-visible {
  opacity: 1;
  transform: none;
}

.project-item.is-hidden {
  display: none;
}

.project-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  background: #cfc7bb;
  border: 0;
  padding: 0;
  cursor: zoom-in;
  width: 100%;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.project-thumb:hover img,
.project-thumb:focus-visible img {
  transform: scale(1.05);
}

.project-meta h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.project-meta p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact {
  background:
    linear-gradient(135deg, rgba(61, 74, 85, 0.92), rgba(28, 26, 23, 0.94)),
    url("images/hero.jpg") center / cover;
  width: 100%;
  max-width: none;
  padding-inline: 1rem;
  color: var(--hero-ink);
  margin-bottom: 0;
}

.contact-grid {
  width: min(100%, var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3.5rem, 8vw, 5.5rem);
}

.contact-block h2 {
  color: var(--hero-ink);
}

.contact-label {
  margin: 1.25rem 0 0.35rem;
  font-weight: 700;
  color: #d4b48a;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.contact-block p,
.contact-block address {
  margin: 0.2rem 0;
  font-style: normal;
  color: rgba(246, 241, 232, 0.88);
}

.contact-block a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.contact-block a:hover,
.contact-block a:focus-visible {
  border-bottom-color: rgba(246, 241, 232, 0.55);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--bronze-deep);
  font-weight: 650;
  text-decoration: none;
}

.lightbox {
  border: none;
  padding: 0;
  max-width: min(92vw, 920px);
  background: transparent;
  color: var(--hero-ink);
}

.lightbox::backdrop {
  background: rgba(14, 12, 10, 0.82);
}

.lightbox img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: #111;
}

.lightbox-caption {
  margin: 0.75rem 0 0;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  border: none;
  background: transparent;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

@keyframes hero-drift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.1) translate3d(-1.5%, -1%, 0); }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    background: rgba(243, 239, 232, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1rem 1rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-5px) rotate(-45deg);
  }

  .hero {
    min-height: 100svh;
    align-items: center;
  }

  .hero-content {
    margin-left: 1rem;
    max-width: calc(100% - 2rem);
    padding-block: 5.5rem 3rem;
  }

  .hero-wash {
    background:
      linear-gradient(90deg, rgba(18, 16, 14, 0.82) 0%, rgba(18, 16, 14, 0.55) 100%),
      linear-gradient(0deg, rgba(18, 16, 14, 0.55) 0%, rgba(18, 16, 14, 0.35) 100%);
  }

  .brand-mark {
    font-size: clamp(2.1rem, 11vw, 3rem);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}