/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0a0a0a;
  color: #f5f5f5;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(201, 168, 76, 0.3); }

/* ===== Variables ===== */
:root {
  --gold: #c9a84c;
  --gold-light: #e8d08a;
  --dark: #0a0a0a;
  --dark2: #111;
  --dark3: #1a1a1a;
  --text: #f5f5f5;
  --text-muted: #888;
  --nav-h: 72px;
  --max-w: 1280px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed; top: 0; left: 0; width: 100%;
  z-index: 1000;
  padding: 0 24px;
  transition: background 0.4s, box-shadow 0.4s;
}
.nav.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem; font-weight: 700;
  letter-spacing: 0.06em;
}
.nav-logo::after { content: ' —'; color: var(--gold); }
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-links a {
  font-size: 0.85rem; font-weight: 400;
  letter-spacing: 0.1em;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.3s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--gold);
  transition: width 0.4s;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--gold-light); }
.lang-toggle {
  background: transparent; border: 1px solid rgba(255,255,255,0.2);
  color: #fff; padding: 4px 14px; border-radius: 2px;
  font-size: 0.75rem; letter-spacing: 0.08em;
  cursor: pointer; transition: all 0.3s;
  font-family: inherit;
}
.lang-toggle:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}

/* Hamburger */
.nav-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: 8px; flex-direction: column; gap: 5px;
}
.nav-toggle span {
  display: block; width: 24px; height: 1.5px; background: #fff;
  transition: transform 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative; width: 100%; height: 100vh;
  min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
#heroCanvas {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; z-index: 1;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.85) 80%);
  z-index: 2;
}
.hero-content {
  position: relative; z-index: 3;
  text-align: center;
  max-width: 800px; padding: 0 24px;
}
.hero-label {
  font-size: 0.8rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 24px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s 0.3s forwards;
}
.hero-title {
  margin-bottom: 20px;
}
.hero-title-line {
  display: block;
  font-family: 'Playfair Display', 'Noto Sans SC', serif;
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 400; line-height: 1.1;
  opacity: 0; transform: translateY(40px);
}
.hero-title-line:first-child {
  animation: fadeUp 1s 0.5s forwards;
}
.hero-title-line.accent {
  font-style: italic; color: var(--gold);
  animation: fadeUp 1s 0.7s forwards;
}
.hero-desc {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--text-muted); letter-spacing: 0.15em;
  margin-bottom: 40px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s 0.9s forwards;
}
.hero-actions {
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s 1.1s forwards;
}

/* Buttons */
.btn {
  display: inline-block; padding: 14px 40px;
  font-size: 0.85rem; letter-spacing: 0.12em;
  border: none; cursor: pointer; transition: all 0.4s;
  font-family: inherit;
}
.btn-primary {
  background: var(--gold); color: #0a0a0a;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--gold); color: var(--gold-light);
  transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  animation: bob 2s infinite;
}
.scroll-indicator span {
  display: block; width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Section Common ===== */
section { padding: 120px 24px; }
.section-header {
  text-align: center; margin-bottom: 80px;
}
.section-label {
  font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 8px;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 400; font-style: italic;
  color: var(--text);
}

/* ===== Works ===== */
.works {
  max-width: var(--max-w); margin: 0 auto;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.work-item {
  position: relative; overflow: hidden;
  cursor: pointer;
}
.work-item-tall { grid-row: span 2; }
.work-item-wide { grid-column: span 2; }
.work-image {
  position: relative; overflow: hidden;
  height: 100%;
}
.work-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.work-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  display: flex; align-items: flex-end;
  padding: 32px;
  opacity: 0;
  transition: opacity 0.5s;
}
.work-info {
  transform: translateY(16px);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.work-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem; font-weight: 400;
}
.work-cat {
  font-size: 0.75rem; color: var(--gold); letter-spacing: 0.15em;
  text-transform: uppercase; margin-top: 4px;
}

/* Hover */
.work-item:hover .work-image img { transform: scale(1.08); }
.work-item:hover .work-overlay { opacity: 1; }
.work-item:hover .work-info { transform: translateY(0); }

/* Work item border reveal */
.work-item::before {
  content: ''; position: absolute; inset: 0;
  border: 1px solid transparent;
  z-index: 2; pointer-events: none;
  transition: border-color 0.5s;
}
.work-item:hover::before { border-color: var(--gold); }

/* ===== Contact ===== */
.contact {
  background: var(--dark2);
}
.contact-inner {
  max-width: var(--max-w); margin: 0 auto;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.contact-item {
  margin-bottom: 32px;
}
.contact-item-label {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 4px;
}
.contact-item-value {
  font-size: 1rem;
}

/* Form */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-group {
  position: relative;
}
.form-group-full { grid-column: 1 / -1; }
.form-input {
  width: 100%;
  padding: 16px 0 8px;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s;
}
.form-input:focus { border-bottom-color: var(--gold); }
.form-input:not(:placeholder-shown) { border-bottom-color: rgba(255,255,255,0.3); }
.form-textarea { resize: vertical; min-height: 60px; }
.form-label {
  position: absolute; left: 0; top: 16px;
  font-size: 0.85rem; color: var(--text-muted);
  pointer-events: none;
  transition: all 0.3s;
}
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -4px; font-size: 0.7rem; color: var(--gold);
}
.btn-submit {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 8px;
}
.form-success {
  grid-column: 1 / -1;
  color: var(--gold-light);
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.5s;
}
.form-success.visible { opacity: 1; }

/* ===== Footer ===== */
.footer {
  padding: 32px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy {
  font-size: 0.75rem; color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .work-item-tall { grid-row: span 1; }
  .work-item-wide { grid-column: span 1; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; position: fixed; top: var(--nav-h);
    left: 0; width: 100%;
    flex-direction: column; gap: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(20px);
    padding: 16px 24px;
  }
  .nav-links.open a {
    display: block; padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links.open .lang-toggle { margin-top: 8px; align-self: flex-start; }
  .nav-toggle { display: flex; }

  .works-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  section { padding: 80px 20px; }
  .section-header { margin-bottom: 48px; }
}