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

:root {
  --cream:    #f2ede6;
  --green:    #006b5d;
  --green-lt: #008f7c;
  --dark:     #1a1a18;
  --charcoal: #2b2b28;
  --mid:      #5a5a54;
  --muted:    #9a9a90;
  --border:   rgba(0,107,93,0.15);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Quicksand', sans-serif;
  background: var(--dark);
  color: var(--charcoal);
  overflow-x: hidden;
}

/* ── CURTAIN ── */
.curtain {
  position: fixed; inset: 0; background: var(--dark); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  animation: curtainLift 0.9s 1.4s cubic-bezier(0.76,0,0.24,1) forwards;
  pointer-events: none;
}
.curtain-text {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.2rem, 4vw, 2.2rem);
  letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--cream); opacity: 0;
  animation: fadeUp 0.7s 0.3s ease forwards;
}
.curtain-text span { color: var(--green); }

@keyframes curtainLift { to { transform: translateY(-100%); } }
@keyframes fadeUp { from { opacity:0; transform:translateY(18px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn  { from { opacity:0; } to { opacity:1; } }
@keyframes lineGrow { to { transform: scaleX(1); } }

/* ── NAV ── */
nav#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 800;
  height: 76px; display: flex; align-items: center;
  padding: 0 48px; justify-content: space-between;
  background: rgba(242,237,230,0.0);
  transition: background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
  opacity: 0; animation: fadeIn 0.6s 1.8s ease forwards;
}
nav#nav.scrolled {
  background: rgba(242,237,230,0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--border);
}
.nav-logo {
  font-family: 'Playfair Display', serif; font-size: 1.15rem;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--cream); text-decoration: none;
  transition: color 0.4s;
}
nav#nav.scrolled .nav-logo { color: var(--charcoal); }
.nav-logo span { color: var(--green); }

/* Desktop nav links */
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-link {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(242,237,230,0.7);
  text-decoration: none; transition: color 0.3s, opacity 0.3s;
  position: relative; padding-bottom: 2px;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--green);
  transition: width 0.3s;
}
.nav-link:hover { color: var(--cream); }
.nav-link:hover::after { width: 100%; }
nav#nav.scrolled .nav-link { color: var(--mid); }
nav#nav.scrolled .nav-link:hover { color: var(--green); }

/* ── HERO ── */
.slide {
  height: 100vh;
  min-height: 500px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(26,26,24,0.25) 0%, rgba(26,26,24,0.55) 55%, rgba(26,26,24,0.92) 100%),
    url('images/background.webp') center/cover no-repeat;
  will-change: transform;
}

/* scroll hint */
.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0; animation: fadeIn 1s 3.4s ease forwards;
}
.scroll-hint span {
  font-size: 0.58rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: rgba(242,237,230,0.35);
}
.scroll-arrow {
  width: 1px; height: 40px; background: rgba(242,237,230,0.2);
  position: relative; overflow: hidden;
}
.scroll-arrow::after {
  content: ''; position: absolute;
  top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--green);
  animation: scrollDrop 1.8s 3.4s ease infinite;
}
@keyframes scrollDrop { 0%{top:-100%} 60%{top:100%} 100%{top:100%} }

/* ── PROJECTS ── */
.projects-slide {
  background: var(--cream);
  min-height: 100vh;
  padding: 100px 6% 80px;
  content-visibility: auto;
  contain-intrinsic-size: 0 800px;
}

.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 52px;
}

.label {
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--green);
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.label::before { content: ''; width: 24px; height: 1px; background: var(--green); }

.sec-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400; line-height: 1.2; color: var(--dark);
}
.sec-title em { font-style: italic; color: var(--green); }

/* Project grid — 3 equal columns */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

/* Remove display:contents hack — use proper link wrapper */
.project-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 2px;
  overflow: hidden;
}

.project-card {
  position: relative;
  overflow: hidden;
  background: #111;
  border-radius: 2px;
  height: 100%;
}

.project-img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block;
  filter: saturate(0.8);
  transition: transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94), filter 0.5s;
}
.project-card-link:hover .project-img { transform: scale(1.06); filter: saturate(1.05); }

.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,26,24,0.88) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px 30px;
}

.project-badge {
  position: absolute; top: 18px; left: 18px;
  font-size: 0.58rem; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 5px 12px; font-weight: 600;
}
.badge-sale { background: var(--green); color: var(--cream); }
.badge-ltd  { background: rgba(242,237,230,0.14); color: var(--cream); backdrop-filter: blur(6px); }
.badge-done { background: rgba(30,30,30,0.85); color: var(--muted); }

.project-name {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 400; color: var(--cream);
}

/* ── CONTACT ── */
.contact-slide {
  background: var(--dark);
  padding: 110px 7% 80px;
  content-visibility: auto;
  contain-intrinsic-size: 0 400px;
}
.contact-slide .label { color: #8ecec5; }
.contact-slide .label::before { background: #8ecec5; }
.contact-slide .sec-title { color: var(--cream); }
.contact-slide .sec-title em { color: #8ecec5; }

.contact-info-block {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 56px;
}

.contact-detail {
  display: flex; align-items: flex-start; gap: 18px;
  background: rgba(255,255,255,0.03);
  padding: 36px 32px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: background 0.3s;
  border-radius: 2px;
}
.contact-detail:hover { background: rgba(255,255,255,0.06); }

.cd-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  border: 1px solid rgba(0,107,93,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; color: var(--green); margin-top: 2px;
}
.cd-label {
  font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 5px; font-weight: 600;
}
.cd-value {
  font-size: 0.95rem; color: var(--cream); font-weight: 500; line-height: 1.8;
}
.cd-value a { color: var(--cream); text-decoration: none; transition: color 0.3s; }
.cd-value a:hover { color: #8ecec5; }

/* ── FOOTER ── */
footer {
  background: var(--dark); padding: 32px 6%;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-logo {
  font-family: 'Playfair Display', serif; font-size: 0.95rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--cream);
}
.footer-logo span { color: var(--green); }
.footer-copy { font-size: 0.68rem; color: rgba(255,255,255,0.2); }
.footer-social { display: flex; gap: 10px; }

/* ============================================================
   HAMBURGER
   ============================================================ */
.hamburger {
  position: fixed;
  right: 20px;
  top: 20px;
  width: 48px;
  height: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  z-index: 99999;
  border-radius: 50%;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.3s ease;
  isolation: isolate;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #2b2b2b;
  transform-origin: center;
  transition:
    width     0.35s cubic-bezier(0.76, 0, 0.24, 1),
    transform 0.45s cubic-bezier(0.76, 0, 0.24, 1),
    opacity   0.3s ease,
    background 0.3s ease;
}

.hamburger span:nth-child(1) { width: 24px; }
.hamburger span:nth-child(2) { width: 16px; }
.hamburger span:nth-child(3) { width: 24px; }

.hamburger.active span              { background: #fff !important; }
.hamburger.active span:nth-child(1) { width: 22px; transform: translateY(7px)  rotate(45deg); }
.hamburger.active span:nth-child(2) { width: 0;    opacity: 0; }
.hamburger.active span:nth-child(3) { width: 22px; transform: translateY(-7px) rotate(-45deg); }

.mob-menu {
  position: fixed; top: 0; right: 0; width: min(260px, 80vw); height: 100%;
  background: var(--dark); z-index: 8500;
  display: flex; flex-direction: column; padding-top: 100px;
  transform: translateX(100%); opacity: 0;
  transition: transform 0.5s cubic-bezier(0.22,1,0.36,1), opacity 0.4s;
}
.mob-menu.active { transform: translateX(0); opacity: 1; }
.mob-menu::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 2px; height: 0; background: var(--green);
  transition: height 0.55s cubic-bezier(0.22,1,0.36,1);
}
.mob-menu.active::after { height: 100%; }
.mob-menu a {
  padding: 18px 32px; color: rgba(255,255,255,0.7);
  font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase;
  font-weight: 600; text-decoration: none;
  min-height: 56px; display: flex; align-items: center;
  transition: color 0.3s;
}
.mob-menu a:hover { color: #fff; }

/* ── ALTERNATE SECTION BG ── */
.projects-slide--alt {
  background: #eae5dd;
}

/* ── PLACEHOLDER CARDS ── */
.projects-grid--placeholder {
  grid-template-columns: 1fr;
}
.project-placeholder {
  border: 2px dashed rgba(0,107,93,0.25);
  border-radius: 4px;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder-inner {
  text-align: center;
  color: var(--mid);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.placeholder-icon { font-size: 2.2rem; }
.placeholder-inner p {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--mid);
}
.mob-menu a:hover { color: #fff; }
@keyframes mobSlide { from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:translateX(0)} }

.mob-dim {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 8000; display: none;
}
.mob-dim.active { display: block; }

/* ── RESPONSIVE — Tablet ── */
@media (max-width: 900px) {
  nav#nav { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .projects-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .contact-info-block { grid-template-columns: 1fr; }
  .projects-slide { padding: 90px 5% 60px; }
}

/* ── RESPONSIVE — Mobile ── */
@media (max-width: 600px) {
  .slide { min-height: 100svh; } /* use svh for mobile browser chrome */
  .projects-slide { padding: 80px 4% 50px; }
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .project-img { aspect-ratio: 16/10; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .contact-slide { padding: 80px 5% 60px; }
  .contact-detail { padding: 24px 20px; }
  footer { flex-direction: column; gap: 12px; text-align: center; }
  .footer-copy { font-size: 0.62rem; }
}

/* ── Focus styles for accessibility ── */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}