/* ============================================================
   Olena Simsek — Soprano & Voice Teacher
   Elegant classical theme
   ============================================================ */

:root {
  --color-bg: #faf6f0;
  --color-bg-alt: #f1e9dd;
  --color-ink: #2a201d;
  --color-ink-soft: #6b5a52;
  --color-wine: #5c1329;
  --color-wine-dark: #3a0d1c;
  --color-wine-light: #7d1f3a;
  --color-gold: #b8902f;
  --color-gold-light: #d9b45c;
  --color-cream: #fffdf9;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-body: 'Lora', Georgia, serif;

  --container-width: 1140px;
  --radius: 10px;
  --shadow-soft: 0 10px 30px rgba(42, 32, 29, 0.12);
  --transition: 0.3s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.2; margin: 0 0 0.5em; color: var(--color-wine-dark); }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-wine);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 2000;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.center { text-align: center; }

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.section-lead {
  max-width: 700px;
  margin: 0 auto 3rem;
  color: var(--color-ink-soft);
  font-size: 1.05rem;
}
.section-lead.center { margin-left: auto; margin-right: auto; }

section { padding: 6rem 0; }

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  border: 2px solid transparent;
}
.btn-gold {
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  color: var(--color-wine-dark);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(184, 144, 47, 0.35); }
.btn-outline {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-small { padding: 0.55rem 1.3rem; font-size: 0.85rem; }
.btn-full { width: 100%; text-align: center; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(250, 246, 240, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(42,32,29,0.06);
  transition: background var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-wine-dark);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-wine-dark);
  color: var(--color-gold-light);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.main-nav ul {
  display: flex;
  gap: 1.75rem;
}
.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-ink);
  position: relative;
  padding: 0.25rem 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-wine-dark);
  transition: transform var(--transition), opacity var(--transition);
  margin: 0 auto;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  background: radial-gradient(ellipse at top right, var(--color-wine-light) 0%, var(--color-wine-dark) 55%, #200711 100%);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; opacity: 0.18; }
.staff-lines { width: 100%; height: 100%; }
.staff-lines line { stroke: var(--color-gold-light); stroke-width: 1.5; }

.hero-inner { position: relative; z-index: 2; padding-top: 74px; max-width: 780px; }
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--color-gold-light);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  color: #fff;
  margin-bottom: 0.5rem;
}
.hero-tagline {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.88);
  max-width: 620px;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.hero-note { color: var(--color-gold-light); font-size: 0.95rem; }

.scroll-cue {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 46px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  z-index: 2;
}
.scroll-cue span {
  position: absolute;
  top: 8px; left: 50%;
  width: 5px; height: 5px;
  margin-left: -2.5px;
  border-radius: 50%;
  background: var(--color-gold-light);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { top: 8px; opacity: 1; }
  70% { opacity: 1; }
  100% { top: 28px; opacity: 0; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  align-items: start;
}
.photo-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--color-wine-light), var(--color-wine-dark));
  box-shadow: var(--shadow-soft);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-frame.img-missing::after {
  content: attr(data-placeholder);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-family: var(--font-body);
}
.photo-caption {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.about-content p { color: var(--color-ink-soft); }
.credential-list { margin-top: 1.75rem; display: grid; gap: 0.85rem; }
.credential-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--color-ink);
}
.credential-icon { flex-shrink: 0; }

/* ============================================================
   REPERTOIRE
   ============================================================ */
.repertoire { background: var(--color-bg-alt); }
.repertoire-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
}
.repertoire-col h3 {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 1rem;
}
.repertoire-list { display: grid; gap: 0.6rem; }
.repertoire-list li {
  background: var(--color-cream);
  border-radius: var(--radius);
  padding: 0.85rem 1.1rem;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  box-shadow: var(--shadow-soft);
}

/* ============================================================
   RECORDINGS
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.video-card {
  background: var(--color-cream);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  padding-bottom: 1.25rem;
}
.video-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-card h3 { font-size: 1.05rem; margin: 1rem 1.25rem 0.15rem; }
.video-card p { margin: 0 1.25rem; color: var(--color-ink-soft); font-size: 0.9rem; }

/* ============================================================
   TEACHING
   ============================================================ */
.teaching-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3.5rem;
}
.teaching-card {
  background: var(--color-cream);
  border: 1px solid rgba(92, 19, 41, 0.08);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.teaching-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.teaching-icon { font-size: 1.75rem; margin-bottom: 0.75rem; }
.teaching-card h3 { font-size: 1.15rem; }
.teaching-card p { color: var(--color-ink-soft); font-size: 0.95rem; margin: 0; }

.lesson-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  background: var(--color-wine-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 2.5rem;
  margin-bottom: 3rem;
}
.lesson-info-item h4 {
  color: var(--color-gold-light);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}
.lesson-info-item p { margin: 0; color: rgba(255,255,255,0.9); font-size: 0.95rem; }

.teaching-cta { text-align: center; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery { background: var(--color-bg-alt); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--color-wine-light), var(--color-wine-dark));
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   SCHEDULE
   ============================================================ */
.schedule-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
}
.schedule-col h3 {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 1.25rem;
}
.schedule-list { display: grid; gap: 1rem; }
.schedule-item {
  background: var(--color-cream);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}
.schedule-date {
  font-weight: 600;
  color: var(--color-wine);
  font-size: 0.88rem;
  white-space: nowrap;
}
.schedule-event { color: var(--color-ink-soft); font-size: 0.95rem; }
.schedule-placeholder {
  color: var(--color-ink-soft);
  font-style: italic;
  text-align: center;
  padding: 1.5rem;
  background: var(--color-cream);
  border-radius: var(--radius);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--color-bg-alt); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info p { color: var(--color-ink-soft); }
.contact-details { margin-top: 2rem; display: grid; gap: 1rem; }
.contact-details li { display: flex; align-items: center; gap: 0.75rem; font-size: 1rem; }
.contact-icon { font-size: 1.1rem; }
.contact-details a { color: var(--color-wine); font-weight: 600; }
.contact-details a:hover { text-decoration: underline; }

.contact-form {
  background: var(--color-cream);
  border-radius: var(--radius);
  padding: 2.25rem;
  box-shadow: var(--shadow-soft);
}
.form-row { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label { font-size: 0.85rem; font-weight: 600; color: var(--color-ink); }
.form-row input, .form-row select, .form-row textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(42,32,29,0.18);
  border-radius: 6px;
  background: #fff;
  color: var(--color-ink);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(184,144,47,0.15);
}
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-privacy {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin: -0.5rem 0 1.1rem;
}
.form-status {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  min-height: 1.2em;
}
.form-status.success { color: #2e7d32; }
.form-status.error { color: #c62828; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-wine-dark);
  color: rgba(255,255,255,0.85);
  padding: 3.5rem 0 2rem;
  text-align: center;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-serif); font-size: 1.1rem; color: #fff; }
.footer-brand .brand-mark { background: var(--color-gold-light); color: var(--color-wine-dark); }
.footer-tagline { color: rgba(255,255,255,0.65); font-size: 0.9rem; margin-bottom: 0.5rem; }
.footer-socials { display: flex; gap: 1.5rem; margin-bottom: 1rem; }
.footer-socials a { font-size: 0.9rem; font-weight: 600; color: var(--color-gold-light); }
.footer-socials a:hover { text-decoration: underline; }
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.45); margin: 0; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--color-wine-dark);
  color: var(--color-gold-light);
  font-size: 1.2rem;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 900;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-photo { max-width: 340px; margin: 0 auto; }
}

@media (max-width: 780px) {
  section { padding: 4.5rem 0; }
  .main-nav {
    position: fixed;
    top: 74px; left: 0; right: 0;
    background: var(--color-cream);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1.5rem;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    box-shadow: var(--shadow-soft);
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul li { border-bottom: 1px solid rgba(42,32,29,0.08); }
  .nav-link { display: block; padding: 0.9rem 0; }
  .nav-cta { margin-top: 1rem; text-align: center; }
  .nav-toggle { display: flex; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.4rem; }
  .contact-form, .lesson-info { padding: 1.5rem; }
}