/* =============================================
   TOKENS
============================================= */
:root {
  --bg:       #F2F0EB;
  --ink:      #111110;
  --mid:      #888680;
  --line:     rgba(17,17,16,0.12);
  --overlay:  rgba(17,17,16,0.72);
  --clay:     #C4683A;
  --white:    #FFFFFF;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --nav-h: 52px;
}

/* =============================================
   RESET
============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* =============================================
   NAV
============================================= */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  mix-blend-mode: normal;
  transition: background 0.3s, border-color 0.3s;
}

#nav.scrolled {
  background: rgba(242,240,235,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--white);
  mix-blend-mode: difference;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-right a,
.nav-lang {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  mix-blend-mode: difference;
  transition: opacity 0.2s;
}

.nav-right a:hover { opacity: 0.5; }

/* =============================================
   GRID
============================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  padding-top: 3px;       /* gap from very top */
  background: var(--ink); /* gap color */
}

/* ---- cell base ---- */
.cell {
  position: relative;
  overflow: hidden;
  background: var(--bg);
  aspect-ratio: 4 / 3;   /* cell shape */
}

.cell--wide  { grid-column: span 2; aspect-ratio: 16 / 9; }
.cell--tall  { grid-row: span 2; aspect-ratio: 3 / 4; }

.cell-link {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ---- image wrapper ---- */
.cell-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #d8d5ce;
}

.cell-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;     /* zoom + crop to fill cell, no grey gap */
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cell:hover .cell-img img {
  transform: scale(1.04);
}

/* placeholder (shown when no image loaded) */
.cell-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #dbd8d0 0%, #cac6be 100%);
  z-index: 0;
}

/* hide placeholder once real img loads */
.cell-img img + .cell-placeholder { z-index: -1; }

/* ---- overlay info (hidden until hover) ---- */
.cell-info {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 20px;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.68) 0%,
    rgba(0,0,0,0.28) 45%,
    rgba(0,0,0,0) 100%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
}

.cell:hover .cell-info,
.cell:focus-within .cell-info {
  opacity: 1;
}

.cell-cat {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 5px;
}

.cell-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.6rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 8px;
}

.cell-year {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
}

/* index number — subtle top-left badge */
.cell::before {
  content: attr(data-index);
  position: absolute;
  top: 14px;
  left: 16px;
  z-index: 10;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

.cell:hover::before { opacity: 1; }

/* =============================================
   ABOUT
============================================= */
.about {
  padding: 100px 24px;
  border-top: 1px solid var(--line);
}

.about-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.about-label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 20px;
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
}

.about-title em {
  color: var(--clay);
  font-style: italic;
}

.about-right p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: #3a3a38;
  margin-bottom: 1rem;
  max-width: 60ch;
}

.about-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.about-skills span {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: 2px;
}

/* =============================================
   CONTACT
============================================= */
.contact {
  padding: 100px 24px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--white);
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}

.contact-email {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1;
  transition: color 0.2s;
}

.contact-email:hover { color: var(--clay); }

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.contact-meta a,
.contact-meta span {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}

.contact-meta a:hover { color: var(--white); }

/* =============================================
   FOOTER
============================================= */
footer {
  display: flex;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: var(--ink);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.05em;
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .cell--wide { grid-column: span 2; aspect-ratio: 16 / 7; }
  .cell--tall { grid-row: span 2; aspect-ratio: 3 / 4; }
}

@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; gap: 2px; }
  .cell, .cell--wide, .cell--tall {
    grid-column: span 1;
    grid-row: span 1;
    aspect-ratio: 4 / 3;
  }

  .cell-info { opacity: 1; }  /* always visible on mobile */

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner { flex-direction: column; }
  .contact-meta { align-items: flex-start; }

  .nav-right { gap: 16px; }
  .nav-lang { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .cell-img img { transition: none; }
  .cell-info { transition: none; }
}

/* =============================================
   PROJECT PAGE
============================================= */
.proj-hero {
  position: relative;
  height: 70vh;
  min-height: 420px;
  overflow: hidden;
  background: #cac6be;
}

.proj-hero img {
  position: absolute;
  inset: 0;
}

.proj-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.05) 50%, rgba(0,0,0,0.25) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 48px 24px;
}

.proj-back {
  position: absolute;
  top: 64px;
  left: 24px;
  z-index: 5;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s;
}

.proj-back:hover { opacity: 0.6; }

.proj-hero-cat {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 10px;
}

.proj-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4.2rem);
  font-weight: 400;
  line-height: 1.05;
  color: var(--white);
  max-width: 16ch;
}

.proj-meta-bar {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  padding: 36px 24px;
  border-bottom: 1px solid var(--line);
}

.proj-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.proj-meta-label {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
}

.proj-meta-value {
  font-size: 0.85rem;
  color: var(--ink);
}

.proj-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 0;
  display: grid;
  grid-template-columns: 0.8fr 1.5fr;
  gap: 64px;
}

.proj-intro {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  font-style: italic;
  line-height: 1.4;
  color: var(--ink);
}

.proj-text p {
  font-size: 0.92rem;
  line-height: 1.9;
  color: #3a3a38;
  margin-bottom: 1.4rem;
  max-width: 68ch;
}

.proj-text h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin: 2rem 0 1rem;
}

/* =============================================
   PROJECT SLIDER (auto-advancing)
============================================= */
.proj-slider {
  position: relative;
  max-width: 1200px;
  margin: 64px auto 0;
  padding: 0 24px;
  overflow: hidden;
}

.proj-slides {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.proj-slide {
  flex: 0 0 100%;
  aspect-ratio: 16 / 9;
  background: #d8d5ce;
}

.proj-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.proj-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(17,17,16,0.55);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.proj-slider-btn:hover { background: rgba(17,17,16,0.85); }
.proj-slider-btn.prev { left: 36px; }
.proj-slider-btn.next { right: 36px; }

.proj-slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.proj-slider-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--line);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.proj-slider-dots button.active { background: var(--ink); }

@media (max-width: 600px) {
  .proj-slider-btn { width: 36px; height: 36px; }
  .proj-slider-btn.prev { left: 28px; }
  .proj-slider-btn.next { right: 28px; }
}

.proj-nav {
  max-width: 1200px;
  margin: 80px auto 0;
  padding: 36px 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.proj-nav a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  transition: color 0.2s;
}

.proj-nav a:hover { color: var(--ink); }

.proj-nav .next {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
}

@media (max-width: 800px) {
  .proj-body { grid-template-columns: 1fr; gap: 32px; }
  .proj-gallery { grid-template-columns: 1fr; }
  .proj-gallery .full { grid-column: 1; }
  .proj-meta-bar { gap: 24px; }
}