/* Amy Lee — Violinist & Educator
   A refined single-page design with warm gallery aesthetics */

:root {
  /* Warm, sophisticated palette inspired by concert hall elegance */
  --color-cream: #f8f5f0;
  --color-ivory: #fffef9;
  --color-warm-gray: #8a8078;
  --color-charcoal: #2d2926;
  --color-deep: #1a1715;
  --color-terracotta: #c4644a;
  --color-terracotta-soft: rgba(196, 100, 74, 0.08);
  --color-gold: #b8956c;
  --color-border: rgba(45, 41, 38, 0.1);

  /* Typography */
  --font-serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Libre Franklin', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Animation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-cream);
  color: var(--color-charcoal);
  line-height: 1.7;
}

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

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

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: rgba(248, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.01em;
  color: var(--color-charcoal);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-warm-gray);
  transition: color 0.3s ease;
}

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

/* Hamburger button */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-charcoal);
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-logo {
    font-size: 0.95rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-cream);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.25rem;
    letter-spacing: 0.15em;
  }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  overflow: hidden;
}

.hero-image {
  position: relative;
  min-height: 70vh;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.hero-content {
  padding: calc(var(--space-lg) + 60px) var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-ivory);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.hero-title span {
  display: block;
  font-style: italic;
  font-size: 0.4em;
  color: var(--color-warm-gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

.hero-intro {
  font-size: 1.125rem;
  color: var(--color-warm-gray);
  max-width: 520px;
  margin-bottom: var(--space-md);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-charcoal);
  width: fit-content;
  transition: all 0.3s ease;
}

.hero-cta:hover {
  color: var(--color-terracotta);
  border-color: var(--color-terracotta);
  padding-left: var(--space-xs);
}

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

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

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
  }

  .hero-image {
    min-height: calc(100vh - 60px);
    margin-top: 60px;
    order: 2;
  }

  .hero-image img {
    object-position: center 10%;
  }

  .hero-content {
    order: 1;
    padding: calc(var(--space-2xl) + 40px) var(--space-xl) var(--space-2xl);
    align-items: flex-start;
  }
}

@media (min-width: 1200px) {
  .hero {
    grid-template-columns: 45% 55%;
  }
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
  padding: var(--space-2xl) var(--space-md);
  background: var(--color-ivory);
}

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
}

.about-image::after {
  content: '';
  position: absolute;
  inset: var(--space-sm);
  border: 1px solid var(--color-border);
  pointer-events: none;
  transform: translate(var(--space-sm), var(--space-sm));
  z-index: -1;
}

.about-content {
  max-width: 600px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: var(--space-sm);
}

.about-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.about-content p {
  color: var(--color-warm-gray);
  margin-bottom: var(--space-sm);
}

.about-positions {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.position {
  margin-bottom: var(--space-sm);
}

.position-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
}

.position-org {
  font-size: 0.875rem;
  color: var(--color-warm-gray);
}

@media (min-width: 900px) {
  .about-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .about-image img {
    max-width: none;
  }
}

/* ========================================
   BIOGRAPHY SECTION
   ======================================== */

.biography {
  padding: var(--space-2xl) var(--space-md);
  background: var(--color-cream);
}

.biography-inner {
  max-width: 800px;
  margin: 0 auto;
}

.biography-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.biography-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
}

.lang-toggle {
  display: flex;
  gap: var(--space-xs);
}

.lang-toggle button {
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-warm-gray);
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-toggle button:hover {
  border-color: var(--color-charcoal);
  color: var(--color-charcoal);
}

.lang-toggle button.active {
  background: var(--color-charcoal);
  border-color: var(--color-charcoal);
  color: var(--color-ivory);
}

.bio-text {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.9;
  color: var(--color-charcoal);
}

.bio-text p {
  margin-bottom: var(--space-md);
  text-indent: 2em;
}

.bio-text p:first-child {
  text-indent: 0;
}

.bio-text p:first-child::first-letter {
  font-size: 3.5em;
  float: left;
  line-height: 0.8;
  padding-right: 0.1em;
  color: var(--color-terracotta);
}

#bio-ko {
  display: none;
}

#bio-ko .bio-text {
  font-family: 'Noto Serif KR', var(--font-serif);
}

/* ========================================
   MEDIA SECTION
   ======================================== */

.media {
  padding: var(--space-2xl) var(--space-md);
  background: var(--color-deep);
  color: var(--color-cream);
}

.media-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.media-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.media-header .section-label {
  color: var(--color-gold);
}

.media-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  color: var(--color-cream);
}

.media-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.media-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-lg);
  transition: all 0.4s var(--ease-out);
}

.media-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.media-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-gold);
}

.media-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.media-card p {
  color: rgba(248, 245, 240, 0.6);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
}

.media-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  transition: gap 0.3s ease;
}

.media-card-link:hover {
  gap: var(--space-sm);
}

.media-card-link svg {
  width: 16px;
  height: 16px;
}

@media (min-width: 768px) {
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .media-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Video Section */
.video-grid {
  margin-bottom: var(--space-xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.video-item {
  text-align: center;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  margin-bottom: var(--space-md);
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-item h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.video-item p {
  font-size: 0.9375rem;
  color: rgba(248, 245, 240, 0.6);
}

/* Music Links */
.music-links {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.music-links h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: var(--space-md);
  color: var(--color-cream);
}

.music-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.music-card {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-cream);
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.music-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

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

/* ========================================
   GALLERY SECTION (removed)
   ======================================== */

.gallery {
  display: none; /* Gallery section removed */
  transition: filter 0.5s ease;
}

.gallery-item:hover img {
  filter: grayscale(0%);
}

@media (min-width: 768px) {
  .gallery-item {
    width: 400px;
  }
}

/* ========================================
   CONTACT / FOOTER
   ======================================== */

.contact {
  padding: var(--space-2xl) var(--space-md);
  background: var(--color-cream);
  text-align: center;
}

.contact-inner {
  max-width: 600px;
  margin: 0 auto;
}

.contact h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.contact p {
  color: var(--color-warm-gray);
  margin-bottom: var(--space-lg);
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--color-charcoal);
  color: var(--color-cream);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.contact-btn:hover {
  background: var(--color-terracotta);
  transform: translateY(-2px);
}

.contact-alt {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-warm-gray);
}

.contact-alt a {
  color: var(--color-charcoal);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.contact-alt a:hover {
  color: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

.footer {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-charcoal);
  color: var(--color-cream);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(248, 245, 240, 0.2);
  color: var(--color-cream);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(248, 245, 240, 0.5);
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ========================================
   ANIMATIONS
   ======================================== */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* Hero entrance animation */
@keyframes heroSlide {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes heroImage {
  from {
    opacity: 0;
    transform: scale(1.05);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.hero-content > * {
  animation: heroSlide 1s var(--ease-out) both;
}

.hero-content > *:nth-child(1) { animation-delay: 0.2s; }
.hero-content > *:nth-child(2) { animation-delay: 0.35s; }
.hero-content > *:nth-child(3) { animation-delay: 0.5s; }

.hero-image img {
  animation: heroImage 1.2s var(--ease-out) 0.1s both;
}

/* ========================================
   UTILITIES
   ======================================== */

::selection {
  background: var(--color-terracotta);
  color: var(--color-ivory);
}

:focus-visible {
  outline: 2px solid var(--color-terracotta);
  outline-offset: 3px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
  background: var(--color-warm-gray);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-charcoal);
}

/* Visually hidden (for accessibility) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}