/* ============================================
   Nadiejda Mouly — Artist Portfolio
   Dark elegance, warm gold accents
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400&family=Raleway:wght@200;300;400;500;600&display=swap');

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

:root {
  --bg-deep: #0a0a0a;
  --bg-card: #141414;
  --bg-overlay: rgba(10, 10, 10, 0.85);
  --gold: #c9a84c;
  --gold-light: #e8d49a;
  --gold-dark: #8a6d2b;
  --red-warm: #b83a3a;
  --amber: #d4893f;
  --cream: #f5f0e8;
  --text-primary: #f5f0e8;
  --text-secondary: #a09882;
  --text-muted: #6b6355;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Raleway', 'Helvetica Neue', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--gold);
  color: var(--bg-deep);
}

/* === LANGUAGE SWITCHER === */
.lang-switcher {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  gap: 0.25rem;
  background: rgba(20, 20, 20, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 2rem;
  padding: 0.25rem;
}

.lang-switcher button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.8rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-switcher button:hover {
  color: var(--gold-light);
}

.lang-switcher button.active {
  background: var(--gold);
  color: var(--bg-deep);
}

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 900;
  padding: 1.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, padding 0.4s ease;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 3rem;
  border-bottom: 1px solid rgba(201, 168, 76, 0.1);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--gold);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin-right: 8rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
  margin-right: 5rem;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--gold);
  transition: all 0.3s ease;
}

/* === HERO === */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.5s ease;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
  transition: opacity 1.5s ease, transform 8s ease;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 10, 0.7) 0%,
    rgba(10, 10, 10, 0.4) 50%,
    rgba(10, 10, 10, 0.7) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 0.5s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--cream);
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s 0.8s forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 300;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 1.1s forwards;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 1.4s forwards;
}

.hero-cta:hover {
  background: var(--gold);
  color: var(--bg-deep);
}

.hero-cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.hero-cta:hover svg {
  transform: translateX(4px);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0;
  animation: fadeUp 1s 1.8s forwards;
}

.hero-scroll .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s infinite;
}

/* === SECTIONS COMMON === */
section {
  padding: 8rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1.2;
}

.section-divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 1.5rem auto 0;
}

/* === ABOUT === */
.about {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-card) 50%, var(--bg-deep) 100%);
}

.about-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  border: 1px solid var(--gold-dark);
  z-index: 0;
}

.about-image {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: sepia(0.1) contrast(1.05);
}

.about-image-placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a1510 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--gold-dark);
  font-style: italic;
}

.about-text h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(201, 168, 76, 0.15);
}

.about-stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.about-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

/* === GALLERY === */
.gallery {
  max-width: 1400px;
  margin: 0 auto;
}

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.gallery-filter {
  background: transparent;
  border: 1px solid rgba(201, 168, 76, 0.2);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.gallery-filter:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.gallery-filter.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--bg-deep);
}

.gallery-masonry {
  columns: 3;
  column-gap: 1.5rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.6s ease;
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.9) 0%,
    rgba(10, 10, 10, 0) 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--cream);
}

.gallery-item-info {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

.gallery-item-price {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold);
  margin-top: 0.5rem;
}

/* === LIGHTBOX === */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lightbox.open {
  display: flex;
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--cream);
  font-size: 2rem;
  cursor: pointer;
  z-index: 2001;
  transition: color 0.3s;
}

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

.lightbox img {
  max-width: 85vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox-info {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.lightbox-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--cream);
}

.lightbox-info p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

/* === COURSES === */
.courses {
  background: var(--bg-card);
}

.courses-card {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid rgba(201, 168, 76, 0.15);
  padding: 4rem;
  text-align: center;
  position: relative;
}

.courses-card::before,
.courses-card::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  border-color: var(--gold);
  border-style: solid;
}

.courses-card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.courses-card::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.courses-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 1.5rem;
}

.courses-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.courses-details {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.courses-detail {
  text-align: center;
}

.courses-detail-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.courses-detail-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.courses-detail-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--cream);
  margin-top: 0.2rem;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding: 1rem 2.5rem;
  background: var(--gold);
  color: var(--bg-deep);
  border: none;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 168, 76, 0.2);
}

/* === CONTACT === */
.contact {
  text-align: center;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

.contact-link svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
}

/* === FOOTER === */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(201, 168, 76, 0.1);
}

.footer p {
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.footer .heart {
  color: var(--red-warm);
}

/* === ANIMATIONS === */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .gallery-masonry {
    columns: 2;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
  }

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

  .nav-hamburger {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .gallery-masonry {
    columns: 1;
  }

  .courses-card {
    padding: 2.5rem 1.5rem;
  }

  section {
    padding: 5rem 1.5rem;
  }

  .hero-content {
    padding: 0 1.5rem;
  }

  .about-stats {
    gap: 2rem;
  }

  .lang-switcher {
    top: 1rem;
    right: 1rem;
  }
}