:root {
  --black: #000;
  --white: #fff;
  --gray-50: #fafafa;
  --gray-100: #f2f2f2;
  --border: #e0e0e0;
  --text: #111;
  --muted: #6b6b6b;
  --gray-400: #999;
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1280px;
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--border); }

.logo {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.38em;
  text-transform: uppercase;
}

.nav-main { display: flex; gap: clamp(20px, 3vw, 48px); }
.nav-main a {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.3s;
}
.nav-main a:hover, .nav-main a.is-active { color: var(--black); }

.nav-toggle { display: none; width: 28px; height: 28px; position: relative; }
.nav-toggle span {
  position: absolute;
  left: 4px;
  right: 4px;
  height: 1px;
  background: var(--black);
}
.nav-toggle span:nth-child(1) { top: 10px; }
.nav-toggle span:nth-child(2) { top: 14px; }
.nav-toggle span:nth-child(3) { top: 18px; }

.wrap { width: min(var(--max), 100% - clamp(32px, 8vw, 128px)); margin: 0 auto; }

.section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1.25rem;
}

.display {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1.display { font-size: clamp(2.75rem, 7vw, 5.5rem); }
h2.display { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h3.case-card__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 0.35rem;
}

.lead {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  color: var(--muted);
  max-width: 42ch;
  line-height: 1.75;
}

.rule { width: 48px; height: 1px; background: var(--black); margin: 2rem 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 1rem 1.75rem;
  border: 1px solid var(--black);
  transition: background 0.35s var(--ease), color 0.35s;
}
.btn:hover { background: var(--black); color: var(--white); }
.btn--ghost { border-color: var(--border); }
.btn--ghost:hover { border-color: var(--black); }
.btn-arrow::after { content: "→"; }

.hero {
  min-height: 100dvh;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(48px, 8vh, 120px) clamp(32px, 5vw, 80px) clamp(64px, 10vh, 140px);
}
.hero-visual { position: relative; overflow: hidden; min-height: 50vh; background: var(--gray-100); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); transition: filter 1.2s var(--ease); }
.hero:hover .hero-visual img { filter: grayscale(10%); }
.hero-eyebrow { font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }

.intro-strip {
  padding: clamp(80px, 12vh, 160px) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 8vw, 120px);
  align-items: start;
}
.intro-grid p { color: var(--muted); font-size: 15px; }
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 0.35rem;
}
.stat span { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-400); }

.work-preview { padding: clamp(80px, 12vh, 140px) 0; }
.work-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.case-card { background: var(--white); grid-column: span 6; display: block; }
.case-card:nth-child(1) { grid-column: span 7; }
.case-card:nth-child(2) { grid-column: span 5; }
.case-card:nth-child(3) { grid-column: span 5; }
.case-card:nth-child(4) { grid-column: span 7; }

.case-card__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--gray-100);
}
.case-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease);
}
.case-card:hover .case-card__img img { transform: scale(1.04); }

.case-card__body { padding: 1.75rem 2rem 2.25rem; }
.case-card__cat {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}
.case-card__loc { font-size: 12px; color: var(--muted); }

.services { padding: clamp(80px, 12vh, 140px) 0; background: var(--gray-50); }
.service-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 3rem;
}
.service-item { background: var(--white); padding: 2.5rem 2rem; }
.service-item strong {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.service-item p { font-size: 14px; color: var(--muted); line-height: 1.7; }

.philosophy {
  padding: clamp(100px, 14vh, 180px) 0;
  text-align: center;
}
.philosophy .display { max-width: 18ch; margin: 0 auto 2rem; }
.philosophy .lead { margin: 0 auto; text-align: center; }

.site-footer {
  padding: 4rem 0 2.5rem;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-grid p, .footer-grid a { font-size: 13px; color: var(--muted); line-height: 1.8; }
.footer-grid a:hover { color: var(--black); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.page-hero {
  padding: calc(var(--nav-h) + clamp(80px, 12vh, 140px)) 0 clamp(60px, 8vh, 100px);
  border-bottom: 1px solid var(--border);
}

.case-detail { padding: clamp(60px, 10vh, 120px) 0; border-bottom: 1px solid var(--border); }
.case-detail__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
.case-detail__grid--reverse { direction: rtl; }
.case-detail__grid--reverse > * { direction: ltr; }
.case-detail__visual {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  background: var(--gray-100);
  overflow: hidden;
}
.case-detail__visual img { width: 100%; aspect-ratio: 5 / 6; object-fit: cover; }

.case-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0 2rem; }
.case-meta span {
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  color: var(--muted);
}

.deliverables { margin-top: 2rem; border-top: 1px solid var(--border); }
.deliverables li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
}
.deliverables li strong { color: var(--text); font-weight: 500; font-size: 13px; }

.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: var(--nav-h);
  min-height: 70vh;
}
.about-hero__text {
  padding: clamp(60px, 10vh, 120px) clamp(32px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-hero__img { background: var(--gray-100); min-height: 400px; }
.about-hero__img img { width: 100%; height: 100%; min-height: 70vh; object-fit: cover; }

.timeline-section { padding: clamp(80px, 12vh, 140px) 0; }
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.timeline-item strong {
  display: block;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.timeline-item p { font-size: 13px; color: var(--muted); }

.contact-page {
  min-height: 100dvh;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.contact-copy, .contact-panel {
  padding: clamp(80px, 12vh, 140px) clamp(32px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-panel { background: var(--black); color: var(--white); }
.contact-panel p { color: rgba(255, 255, 255, 0.65); margin-bottom: 1rem; font-size: 15px; }
.contact-panel a { color: var(--white); border-bottom: 1px solid rgba(255, 255, 255, 0.3); }
.contact-panel a:hover { border-color: var(--white); }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* Work page: show content even if JS observer fails */
.page-hero,
.case-detail,
.page-hero .wrap,
.case-detail .wrap { opacity: 1; transform: none; }
.page-hero.reveal,
.case-detail.reveal,
.case-detail .reveal,
.page-hero .reveal { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .hero, .about-hero, .contact-page { grid-template-columns: 1fr; }
  .hero-visual { min-height: 45vh; order: -1; }
  .intro-grid, .case-detail__grid { grid-template-columns: 1fr; }
  .case-detail__visual { position: static; }
  .case-detail__grid--reverse { direction: ltr; }
  .case-card, .case-card:nth-child(n) { grid-column: span 12; }
  .service-list, .footer-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-main {
    position: fixed;
    inset: var(--nav-h) 0 auto;
    flex-direction: column;
    padding: 2rem;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: 0.4s var(--ease);
  }
  .nav-main.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .stats { grid-template-columns: 1fr; }
}