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

:root {
  --bg: #0e0c08;
  --bg-2: #141008;
  --bg-3: #1c1608;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-dim: #8a6e2a;
  --text: #f0ebe0;
  --text-dim: #9e9480;
  --text-muted: #5a5240;
  --border: #2a2416;
  --border-gold: rgba(201, 168, 76, 0.25);
  --ff-serif: 'Cormorant Garant', 'Times New Roman', serif;
  --ff-sc: 'Cormorant SC', 'Times New Roman', serif;
  --ff-zh: 'Noto Sans SC', sans-serif;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-serif);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

body.lang-zh { font-family: var(--ff-zh); }

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 22px 50px;
  background: linear-gradient(to bottom, rgba(8, 6, 2, 0.82) 0%, rgba(8, 6, 2, 0) 100%);
  backdrop-filter: blur(0px);
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(10, 8, 4, 0.96);
  backdrop-filter: blur(16px);
  padding: 14px 50px;
  border-bottom: 1px solid var(--border-gold);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-family: var(--ff-sc);
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-right: auto;
}

.nav__logo-initial {
  width: 36px; height: 36px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--gold);
  font-family: var(--ff-sc);
}

.nav__links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav__links a {
  font-family: var(--ff-sc);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #ffffff;
  transition: color var(--transition);
}

.nav__links a:hover { color: var(--gold); }

.nav__lang {
  display: flex;
  gap: 6px;
}

.lang-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.8);
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 9px;
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201, 168, 76, 0.1);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 24px; height: 1px;
  background: var(--text);
  transition: var(--transition);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 8, 4, 0.97);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.mobile-menu.open { display: flex; }

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.mobile-menu ul a {
  font-family: var(--ff-sc);
  font-size: 22px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
}

.mobile-menu__lang {
  display: flex;
  gap: 10px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg img {
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8, 6, 2, 0.55) 0%,
    rgba(8, 6, 2, 0.30) 40%,
    rgba(8, 6, 2, 0.75) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
}

.hero__subtitle {
  font-family: var(--ff-sc);
  font-size: 13px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--ff-sc);
  font-size: clamp(42px, 6.5vw, 88px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.0;
  color: #ffffff;
  text-transform: uppercase;
  margin-bottom: 24px;
  text-shadow: 0 2px 40px rgba(0,0,0,0.6);
}

.hero__desc {
  font-family: var(--ff-serif);
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 48px;
}

.hero__cta {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--ff-sc);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 14px 40px;
  transition: all var(--transition);
}

.hero__cta:hover {
  background: var(--gold);
  color: var(--bg);
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== SECTION COMMON ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: block;
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--ff-sc);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #ffffff;
  text-transform: uppercase;
  text-shadow: 0 0 60px rgba(201, 168, 76, 0.2);
}

/* ===== SECTIONS SCROLL OFFSET ===== */
.works, .about, .contact { scroll-margin-top: 80px; }

/* ===== WORKS ===== */
.works {
  padding: 110px 0;
  background: var(--bg-2);
}

/* FILTERS */
.filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 9px 22px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201, 168, 76, 0.06);
}

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

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}


.gallery-item__inner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.gallery-item__inner img {
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  color: transparent;
}

.gallery-item:hover .gallery-item__inner img {
  transform: scale(1.06);
}

.gallery-item__hover {
  position: absolute;
  inset: 0;
  background: rgba(8, 6, 2, 0);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 24px;
  transition: background var(--transition);
}

.gallery-item:hover .gallery-item__hover {
  background: rgba(8, 6, 2, 0.5);
}

.gallery-item__cat {
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition);
}

.gallery-item:hover .gallery-item__cat {
  opacity: 1;
  transform: translateY(0);
}

.gallery-item.hidden {
  display: none;
}

/* ===== ABOUT ===== */
.about {
  padding: 120px 0;
  background: var(--bg);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__image {
  position: relative;
}

.about__image img {
  aspect-ratio: 3/4;
  object-position: top center;
  filter: grayscale(20%) contrast(1.05);
}

.about__image-frame {
  position: absolute;
  top: 20px; left: 20px; right: -20px; bottom: -20px;
  border: 1px solid var(--border-gold);
  pointer-events: none;
  z-index: -1;
}

.about__text .section-label { text-align: left; }
.about__text .section-title { text-align: left; margin-bottom: 32px; }

.about__quote {
  border-left: 2px solid var(--gold);
  padding-left: 24px;
  margin-bottom: 28px;
}

.about__quote p {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 20px;
  color: var(--text-dim);
  line-height: 1.5;
}

.about__text p {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 18px;
}

.about__instagram {
  margin-top: 36px;
}

.about__insta-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-gold);
  color: var(--gold);
  font-family: var(--ff-sc);
  font-size: 13px;
  letter-spacing: 0.1em;
  padding: 12px 24px;
  transition: all var(--transition);
}

.about__insta-link:hover {
  background: rgba(201, 168, 76, 0.08);
  border-color: var(--gold);
  color: var(--gold-light);
}

/* ===== CONTACT ===== */
.contact {
  padding: 110px 0;
  background: var(--bg-3);
}

.contact__intro {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 560px;
  margin: 16px auto 0;
  text-align: center;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  margin-top: 56px;
}

.contact__info {
  padding-top: 8px;
}

.contact__item {
  margin-bottom: 28px;
}

.contact__item-label {
  display: block;
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.contact__item a {
  font-size: 16px;
  color: #d8d0bc;
}

.contact__item a:hover { color: var(--gold); }

/* FORM */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

.form-group input,
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(201,168,76,0.3);
  padding: 12px 0;
  color: #f0ebe0;
  font-family: var(--ff-serif);
  font-size: 16px;
  outline: none;
  resize: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.btn-submit {
  align-self: flex-start;
  background: none;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--ff-sc);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 14px 40px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-submit:hover {
  background: var(--gold);
  color: var(--bg);
}

.form-note {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== FOOTER ===== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-sc);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.footer__copy {
  font-size: 13px;
  color: var(--text-muted);
}

.footer__insta {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer__insta:hover { color: var(--gold); }

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 4, 2, 0.96);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.lightbox.open { display: flex; }

.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox__content img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  width: auto;
  height: auto;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background: none;
  border: 1px solid var(--border-gold);
  color: var(--text);
  cursor: pointer;
  font-size: 20px;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.lightbox__close { top: 24px; right: 24px; font-size: 28px; }
.lightbox__prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 24px; top: 50%; transform: translateY(-50%); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .container { padding: 0 28px; }
  .nav { padding: 20px 28px; }
  .nav.scrolled { padding: 12px 28px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
.about__container { grid-template-columns: 1fr; gap: 48px; }
  .about__image { max-width: 440px; }
  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .nav__links,
  .nav__lang { display: none; }
  .nav__burger { display: flex; }
  .nav { padding: 18px 24px; }
  .nav.scrolled { padding: 12px 24px; }
  .container { padding: 0 20px; }
  .gallery-grid { grid-template-columns: 1fr; gap: 3px; }
.works { padding: 72px 0; }
  .about { padding: 72px 0; }
  .contact { padding: 72px 0; }
  .footer__inner { flex-direction: column; text-align: center; }
}