/* ─── RESET & BASE ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray: #888888;
  --light-gray: #e8e8e8;
  --nav-height: 64px;
  --max-width: 1440px;
  --pad-x: clamp(24px, 5vw, 80px);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

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

img { display: block; width: 100%; height: 100%; object-fit: cover; }

a { color: inherit; text-decoration: none; }

/* ─── TYPOGRAPHY ────────────────────────────────────────────────────────────── */
/* T1 — Display / Hero */
.t-display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: -0.01em;
  line-height: 1.05;
}

/* T2 — Section headings */
.t-heading {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
}

/* T3 — Category labels / metadata */
.t-label {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
}

/* T4 — Body */
.t-body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(0.875rem, 1.1vw, 1rem);
  line-height: 1.75;
  color: #333;
}

/* ─── NAVIGATION ────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-x);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.nav.scrolled { border-bottom-color: var(--light-gray); }

.nav-wordmark {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--black);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--black);
  transition: width 0.2s;
}

.nav-links a:hover { color: var(--black); }
.nav-links a:hover::after { width: 100%; }

/* ─── HERO ──────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

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

.hero-image img {
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.15) 45%,
    rgba(0,0,0,0) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 var(--pad-x) clamp(48px, 7vw, 96px);
  color: var(--white);
}

.hero-content .t-display { color: var(--white); }

.hero-subtitle {
  margin-top: 12px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
  color: rgba(255,255,255,0.8);
}

/* ─── SECTIONS ──────────────────────────────────────────────────────────────── */
.section {
  padding: clamp(80px, 10vw, 140px) var(--pad-x);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-full {
  padding: clamp(80px, 10vw, 140px) var(--pad-x);
}

.section-divider {
  width: 48px;
  height: 1px;
  background: var(--black);
  margin-bottom: 48px;
}

/* ─── WORK GRID ─────────────────────────────────────────────────────────────── */
#work { padding-top: clamp(80px, 10vw, 140px); }

.work-category {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  margin-bottom: clamp(64px, 8vw, 120px);
}

.work-category-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.work-category-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--light-gray);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}

.project-card {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  cursor: pointer;
  display: block;
}

.project-card-image {
  position: absolute;
  inset: 0;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-card:hover .project-card-image {
  transform: scale(1.04);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.72) 0%,
    rgba(0,0,0,0.1) 50%,
    rgba(0,0,0,0) 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card:hover .project-card-overlay { opacity: 1; }

.project-card-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 28px;
  transform: translateY(6px);
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.project-card:hover .project-card-info {
  opacity: 1;
  transform: translateY(0);
}

.project-card-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1rem, 1.4vw, 1.35rem);
  color: var(--white);
  line-height: 1.2;
}

.project-card-location {
  margin-top: 4px;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  font-weight: 400;
}

/* 2-column for categories with fewer items */
.project-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* ─── ABOUT ─────────────────────────────────────────────────────────────────── */
#about {
  background: #fafafa;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(80px, 10vw, 140px) var(--pad-x);
}

.about-label { margin-bottom: 32px; }

.about-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  margin-bottom: 2em;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-bio {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  line-height: 1.85;
  color: #2a2a2a;
}

/* ─── CONTACT ────────────────────────────────────────────────────────────────── */
#contact {
  border-top: 1px solid var(--light-gray);
}

.contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(80px, 10vw, 140px) var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
}

.contact-details { margin-top: 40px; }

.contact-line {
  display: block;
  font-size: clamp(0.875rem, 1vw, 1rem);
  line-height: 2;
  font-weight: 300;
  color: var(--black);
  transition: color 0.2s;
}

a.contact-line:hover { color: var(--gray); }

.contact-name {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  font-weight: 400;
  margin-bottom: 8px;
  display: block;
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--light-gray);
  padding: 32px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-transform: uppercase;
}

/* ─── PROJECT PAGE ───────────────────────────────────────────────────────────── */
.project-hero {
  position: relative;
  height: 92svh;
  min-height: 480px;
  overflow: hidden;
  margin-top: var(--nav-height);
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.project-meta {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(56px, 7vw, 100px) var(--pad-x) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}

.project-title-block .t-label { margin-bottom: 16px; }

.project-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.project-location {
  margin-top: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  font-weight: 400;
}

.project-info { padding-top: 8px; }

.project-scope-label {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
  font-weight: 400;
}

.project-scope {
  font-size: clamp(0.8rem, 0.95vw, 0.9rem);
  line-height: 1.7;
  font-weight: 300;
  color: #444;
  border-left: 1px solid var(--light-gray);
  padding-left: 20px;
}

.project-description {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(40px, 5vw, 72px) var(--pad-x) 0;
}

.project-description p {
  max-width: 68ch;
  font-size: clamp(0.925rem, 1.1vw, 1.05rem);
  line-height: 1.85;
  font-weight: 300;
  color: #2a2a2a;
}

/* ─── GALLERY GRID ───────────────────────────────────────────────────────────── */
.gallery-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(56px, 7vw, 96px) var(--pad-x);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}

.gallery-item {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}

.gallery-item img {
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-item:hover img { transform: scale(1.03); }

/* ─── LIGHTBOX ───────────────────────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90svh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90svh;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.lightbox-close {
  position: fixed;
  top: 24px; right: 28px;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: rgba(255,255,255,0.75);
  font-size: 1.5rem;
  font-weight: 200;
  transition: color 0.2s;
  background: none;
  border: none;
  line-height: 1;
}

.lightbox-close:hover { color: var(--white); }

.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: rgba(255,255,255,0.6);
  background: none;
  border: none;
  font-size: 1.6rem;
  font-weight: 200;
  transition: color 0.2s;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-prev:hover,
.lightbox-next:hover { color: var(--white); }

.lightbox-counter {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}

/* ─── PROJECT NAV ────────────────────────────────────────────────────────────── */
.project-nav {
  border-top: 1px solid var(--light-gray);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-nav-item {
  padding: clamp(32px, 4vw, 56px) var(--pad-x);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.2s;
  cursor: pointer;
}

.project-nav-item:hover { background: #fafafa; }

.project-nav-item.next {
  border-left: 1px solid var(--light-gray);
  text-align: right;
  align-items: flex-end;
}

.project-nav-arrow {
  font-size: 1.2rem;
  font-weight: 200;
  color: var(--gray);
}

.project-nav-label {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  font-weight: 400;
}

.project-nav-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1rem, 1.5vw, 1.4rem);
  color: var(--black);
  line-height: 1.2;
}

/* ─── BACK LINK ──────────────────────────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--gray);
  transition: color 0.2s;
  padding: clamp(24px, 3vw, 40px) var(--pad-x) 0;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
}

.back-link:hover { color: var(--black); }

/* ─── MOBILE ─────────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid-2 { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .project-meta { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  :root { --pad-x: 20px; }
  .nav-wordmark { font-size: 0.95rem; }
  .nav-links { gap: 24px; }
  .project-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .project-nav { grid-template-columns: 1fr; }
  .project-nav-item.next { border-left: none; border-top: 1px solid var(--light-gray); align-items: flex-start; text-align: left; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

/* ─── TRANSITIONS / ANIMATIONS ───────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger.visible > * { opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.06s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.12s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.18s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.24s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.30s; }