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

:root {
  --black:      #0c0c0c;
  --dark:       #181818;
  --gray-900:   #1f1f1f;
  --gray-700:   #3a3a3a;
  --gray-500:   #666666;
  --gray-300:   #aaaaaa;
  --gray-100:   #e5e5e5;
  --off-white:  #f4f4f4;
  --white:      #ffffff;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;
  --ease-out:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-serif); background: var(--black); color: var(--white); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ─── NAVBAR ─────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px;
  background: transparent;
  transition: background 0.4s, backdrop-filter 0.4s;
}
.navbar.scrolled {
  background: rgba(12,12,12,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--white);
}
.nav-back {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  display: flex; align-items: center; gap: 8px;
  transition: color 0.25s;
}
.nav-back svg { transition: transform 0.25s; }
.nav-back:hover { color: var(--white); }
.nav-back:hover svg { transform: translateX(-4px); }
.nav-cta {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.35);
  padding: 9px 22px; border-radius: 1px;
  color: var(--white);
  transition: background 0.25s, border-color 0.25s;
}
.nav-cta:hover { background: rgba(255,255,255,0.09); border-color: var(--white); }

/* ─── HERO ───────────────────────────── */
.hero {
  position: relative; width: 100%;
  height: 100vh; min-height: 560px; overflow: hidden;
}
.hero-img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 70%;   /* image position slider: 0% = upar, 100% = neeche */
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.88) 0%,
    rgba(0,0,0,0.35) 50%,
    rgba(0,0,0,0.12) 100%
  );
}
.hero-overlay-left {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.55) 0%,
    transparent 60%
  );
}
.hero-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  z-index: 3; padding: 0 8% 64px;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 40px;
}
.hero-title-block { max-width: 600px; }
.hero-category {
  display: block;
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
  opacity: 0; animation: fadeUp 0.8s 0.2s var(--ease-out) forwards;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 7vw, 7rem);
  font-weight: 600; line-height: 0.95;
  color: var(--white); letter-spacing: -0.02em;
  opacity: 0; animation: fadeUp 0.9s 0.35s var(--ease-out) forwards;
}
.hero-scroll-hint {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  opacity: 0; animation: fadeUp 0.8s 0.8s var(--ease-out) forwards;
  padding-bottom: 8px;
}
.hero-scroll-hint span {
  font-family: var(--font-sans);
  font-size: 9px; font-weight: 600;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px; height: 52px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── DESCRIPTION ────────────────────── */
.description {
  background: var(--black);
  padding: 100px 8%;
}
.desc-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.6fr;
  gap: 80px; align-items: start;
}
.desc-left { position: sticky; top: 100px; }
.desc-tag {
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 24px; display: block;
}
.desc-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-weight: 600; line-height: 1.18;
  color: var(--white);
}
.desc-heading em {
  font-style: italic;
  color: var(--gray-300);
}
.desc-para {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 400; line-height: 1.82;
  color: rgba(255,255,255,0.72);
  margin-bottom: 28px;
}
.desc-para:last-child { margin-bottom: 0; }
.desc-divider {
  width: 40px; height: 1px;
  background: rgba(255,255,255,0.18);
  margin: 36px 0;
}

/* ─── STATS (inside overview) ────────── */
.desc-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 28px 24px; margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stat { display: flex; flex-direction: column; }
.stat-label {
  font-family: var(--font-sans);
  font-size: 9px; font-weight: 600;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 8px;
}
.stat-value {
  font-family: var(--font-serif);
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  font-weight: 500; color: var(--white);
}

/* ─── GALLERY ────────────────────────── */
.gallery {
  background: var(--black);
  padding: 0 8% 120px;
}
.gallery-inner { max-width: 1200px; margin: 0 auto; }
.gallery-label {
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 48px; display: block;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.gallery-hero {
  width: 100%; aspect-ratio: 16/9;
  overflow: hidden; border-radius: 1px;
  margin-bottom: 12px; cursor: pointer;
}
.gallery-hero img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}
.gallery-hero:hover img { transform: scale(1.03); }

.gallery-row-2 {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-bottom: 12px;
}
.gallery-row-3 {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 12px; margin-bottom: 12px;
}
.gallery-row-asym {
  display: grid; grid-template-columns: 1.5fr 1fr;
  gap: 12px; margin-bottom: 12px;
}

.gitem {
  overflow: hidden; border-radius: 1px;
  cursor: pointer; position: relative;
}
.gitem img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform 0.7s var(--ease-out);
}
.gitem:hover img { transform: scale(1.04); }
.gitem.tall  { aspect-ratio: 4/5; }
.gitem.wide  { aspect-ratio: 16/10; }
.gitem.std   { aspect-ratio: 4/3; }

/* ─── LIGHTBOX ───────────────────────── */
.lightbox {
  display: none; position: fixed; inset: 0;
  z-index: 9000; background: rgba(0,0,0,0.96);
  align-items: center; justify-content: center;
  padding: 32px;
}
.lightbox.open { display: flex; }
.lb-img-wrap {
  position: relative; max-width: 90vw; max-height: 88vh;
  display: flex; align-items: center; justify-content: center;
}
.lb-img {
  max-width: 90vw; max-height: 88vh;
  object-fit: contain; border-radius: 1px;
}
.lb-close {
  position: fixed; top: 28px; right: 36px;
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,0.6); font-size: 28px;
  line-height: 1; transition: color 0.2s; z-index: 9001;
}
.lb-close:hover { color: var(--white); }
.lb-arrow {
  position: fixed; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%; width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--white); z-index: 9001;
  transition: background 0.25s;
}
.lb-arrow:hover { background: rgba(255,255,255,0.18); }
.lb-prev { left: 24px; }
.lb-next { right: 24px; }
.lb-counter {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-sans); font-size: 11px;
  letter-spacing: 0.18em; color: rgba(255,255,255,0.4);
}

/* ─── CTA ────────────────────────────── */
.project-cta {
  background: var(--dark);
  padding: 100px 8%; text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.project-cta-tag {
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(255,255,255,0.3); margin-bottom: 20px; display: block;
}
.project-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 600; color: var(--white);
  margin-bottom: 14px; line-height: 1.1;
}
.project-cta p {
  font-family: var(--font-sans);
  font-size: 14px; color: rgba(255,255,255,0.45);
  margin-bottom: 40px; line-height: 1.7;
}
.btn {
  display: inline-block; padding: 14px 34px;
  font-family: var(--font-sans); font-size: 11px;
  font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; border-radius: 1px;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-outline {
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--white); background: transparent;
}
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: var(--white); }
.btn-filled {
  background: var(--white); color: var(--black);
  border: 1px solid var(--white); margin-right: 14px;
}
.btn-filled:hover { background: var(--gray-100); }

/* ─── FOOTER ─────────────────────────── */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px 8% 28px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 15px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--white);
}
.footer-copy {
  font-family: var(--font-sans);
  font-size: 11px; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.25); text-transform: uppercase;
}

/* ─── REVEAL ─────────────────────────── */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.12s; }
.reveal.delay-2 { transition-delay: 0.24s; }

/* ─── RESPONSIVE ─────────────────────── */
@media (max-width: 1024px) {
  .desc-inner { grid-template-columns: 1fr; gap: 44px; }
  .desc-left { position: static; }
}
@media (max-width: 768px) {
  .navbar { padding: 0 24px; }
  .hero-img { object-position: 60% center; }
  .hero-content { padding: 0 6% 48px; }
  .description, .gallery { padding-left: 6%; padding-right: 6%; }
  .gallery-row-2, .gallery-row-asym { grid-template-columns: 1fr; }
  .gallery-row-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .gallery-row-3 { grid-template-columns: 1fr; }
  .lb-arrow { display: none; }
}