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

:root {
  --bg: #faf8f5;
  --bg-alt: #f0ece6;
  --text: #2c2c2c;
  --text-light: #6b6b6b;
  --accent: #c4a060;
  --accent-hover: #a8864e;
  --white: #ffffff;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
  padding: 2rem;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-chinese {
  display: block;
  font-size: 0.5em;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-top: 0.25rem;
  color: var(--text-light);
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-light);
  margin-bottom: 2rem;
  font-weight: 300;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  background: var(--accent);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* === Sections === */
.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-alt {
  max-width: 100%;
  background: var(--bg-alt);
}

.section-alt > .about-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2.5rem;
}

/* === Filter Bar === */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--text-light);
  padding: 0.5rem 1.5rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--text);
  color: var(--white);
  border-color: var(--text);
}

/* === Gallery Grid === */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.artwork {
  transition: transform 0.3s, opacity 0.3s;
}

.artwork.hidden {
  display: none;
}

.artwork img {
  width: 100%;
  display: block;
  transition: transform 0.4s;
  cursor: pointer;
}

.artwork:hover img {
  transform: scale(1.02);
}

.artwork-info {
  padding: 1rem 0;
}

.artwork-info h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.artwork-info p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* === About === */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: center;
  padding: 0 2rem;
}

.about-photo img {
  width: 100%;
  display: block;
}

.about-honorific {
  font-style: italic;
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

.about-text .section-title {
  text-align: left;
}

/* === Contact === */
.contact-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid #ddd;
  background: var(--white);
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.5rem;
}

.contact-info a {
  color: var(--accent);
  transition: color 0.2s;
}

.contact-info a:hover {
  color: var(--accent-hover);
}

.social-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
}

.social-links a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-light);
}

.social-links a:hover {
  color: var(--accent);
}

/* === Footer === */
.footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: var(--text-light);
  border-top: 1px solid rgba(0,0,0,0.05);
}

/* === Lightbox === */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.9);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.open {
  display: flex;
}

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

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 201;
}

/* === Mobile === */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .about-container {
    grid-template-columns: 1fr;
  }

  .about-text .section-title {
    text-align: center;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }
}