/* Music lessons sample: warm cream canvas, coffee ink, orange CTA. */
:root {
  --primary: #ff4f00;
  --ink: #201515;
  --ink-soft: #2f2a26;
  --body: #605d52;
  --mute: #c5c0b1;
  --canvas: #fffefb;
  --canvas-soft: #f8f4f0;
  --on-primary: #fffefb;
  --display: Outfit, Inter, system-ui, sans-serif;
  --font: Inter, system-ui, -apple-system, sans-serif;
  --r: 12px;
  --pill: 999px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(ellipse 70% 45% at 0% 0%, rgba(255, 79, 0, 0.07), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 20%, rgba(32, 21, 21, 0.04), transparent 50%),
    var(--canvas);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.35em;
}
.eyebrow {
  margin: 0 0 12px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--body);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: #fff;
  padding: 8px 12px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

.demo-notice {
  background: var(--canvas-soft);
  color: var(--body);
  font-size: 13px;
  text-align: center;
  padding: 10px 16px;
  position: relative;
  z-index: 70;
}
.demo-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  margin-right: 8px;
  border-radius: var(--pill);
  background: rgba(255, 79, 0, 0.12);
  color: var(--primary);
  vertical-align: 1px;
}
.demo-notice a {
  color: var(--primary);
  text-decoration: underline;
  margin-left: 10px;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn-orange { background: var(--primary); color: var(--on-primary); }
.btn-orange:hover { filter: brightness(1.05); }
.btn-ink-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ink-outline:hover { background: var(--canvas-soft); }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 254, 251, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(197, 192, 177, 0.55);
}
.nav-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 68px;
  gap: 12px;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-left { justify-content: flex-end; }
.nav-right { justify-content: flex-start; }
.nav-left a, .nav-right a:not(.btn) {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
}
.nav-logo {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.nav-cta { margin-left: 4px; }
.nav-drawer {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 20px;
  border-top: 1px solid rgba(197, 192, 177, 0.55);
  background: var(--canvas);
}
.nav:has(.nav-menu[open]) .nav-drawer { display: flex; }
.nav-drawer a {
  padding: 12px 0;
  font-weight: 500;
  border-bottom: 1px solid rgba(197, 192, 177, 0.45);
}
.nav-drawer-cta { margin-top: 12px; border-bottom: none !important; text-align: center; }
.nav-menu { display: none; justify-self: end; grid-column: 3; }

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: min(78vh, 720px);
  background: var(--canvas-soft);
}
.hero-copy {
  display: flex;
  align-items: center;
  padding: 64px 40px 64px 6vw;
}
.hero-copy-inner { max-width: 460px; }
.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 3.75rem);
  color: var(--ink);
  margin-bottom: 16px;
}
.hero .lead {
  margin: 0;
  font-size: 1.15rem;
  color: var(--body);
  max-width: 28em;
}
.hero-media {
  position: relative;
  overflow: hidden;
  border-left: 1px solid rgba(197, 192, 177, 0.55);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
  animation: ken 18s ease-in-out infinite alternate;
}
@keyframes ken {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

.section-head { margin-bottom: 32px; max-width: 36em; }
.section-head h2 { font-size: clamp(1.9rem, 3.5vw, 2.5rem); }
.section-head p { margin: 0; color: var(--body); font-size: 1.05rem; }

.lessons { padding: 80px 0 40px; }
.flip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  perspective: 1200px;
}
.flip-card {
  appearance: none;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  text-align: left;
  height: 280px;
  font: inherit;
  color: inherit;
}
.flip-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s var(--ease);
}
.flip-card.is-flipped .flip-inner,
.flip-card[aria-pressed="true"] .flip-inner { transform: rotateY(180deg); }
.flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--r);
  overflow: hidden;
}
.flip-front {
  background: var(--canvas);
  border: 1px solid rgba(197, 192, 177, 0.65);
  box-shadow: 0 16px 36px rgba(32, 21, 21, 0.06);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
}
.flip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border-radius: 10px;
  background: rgba(255, 79, 0, 0.12);
  color: var(--primary);
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 600;
}
.flip-front h3 { font-size: 1.35rem; }
.flip-front p {
  margin: 0;
  color: var(--body);
  font-size: 0.95rem;
  flex: 1;
}
.flip-hint {
  margin-top: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
}
.flip-back {
  transform: rotateY(180deg);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}
.flip-back-label {
  width: 100%;
  padding: 16px;
  background: linear-gradient(transparent, rgba(32, 21, 21, 0.85));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

.studio {
  padding: 56px 0 72px;
  background: var(--canvas-soft);
}
.studio-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: center;
}
.studio-copy h2 { font-size: clamp(1.9rem, 3.5vw, 2.5rem); }
.studio-copy > p { color: var(--body); }
.studio-copy ul {
  margin: 20px 0 0;
  padding-left: 1.1em;
  color: var(--body);
}
.studio-copy li { margin-bottom: 8px; }
.studio-photo {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(32, 21, 21, 0.1);
}
.studio-photo img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.plans { padding: 72px 0; }
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: stretch;
}
.plan {
  display: flex;
  flex-direction: column;
  background: var(--canvas-soft);
  border: 1px solid rgba(197, 192, 177, 0.55);
  border-radius: var(--r);
  padding: 28px 24px;
  min-height: 100%;
}
.plan-featured {
  background: var(--ink);
  color: var(--on-primary);
  border-color: var(--ink);
}
.plan-featured p { color: rgba(255, 254, 251, 0.78); }
.plan-badge {
  display: block;
  min-height: 1.15em;
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.15;
  color: var(--primary) !important;
}
.plan:not(.plan-featured) .plan-badge {
  visibility: hidden;
}
.plan h3 {
  font-size: 1.35rem;
  margin: 0;
}
.plan-price {
  font-family: var(--display);
  font-size: 2.2rem;
  font-weight: 500;
  margin: 10px 0 12px;
  color: inherit !important;
}
.plan-price span {
  font-size: 1rem;
  font-family: var(--font);
  font-weight: 500;
  opacity: 0.7;
}
.plan > p:last-child {
  margin: 0;
  margin-top: auto;
  font-size: 0.95rem;
  color: var(--body);
}

.book { padding: 24px 0 96px; }
.book-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(197, 192, 177, 0.55);
  box-shadow: 0 24px 48px rgba(32, 21, 21, 0.08);
}
.book-photo { margin: 0; }
.book-photo img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
}
.book-panel {
  background: var(--canvas);
  padding: 40px 36px;
}
.book-panel h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); }
.book-panel > p { color: var(--body); margin-bottom: 24px; }
.book-panel form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.book-panel label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--body);
}
.book-panel input,
.book-panel select {
  font-family: var(--font);
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
  border: 1px solid var(--mute);
  border-radius: 8px;
  padding: 10px 12px;
  min-height: 44px;
  background: var(--canvas);
}
.book-panel input:focus,
.book-panel select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 79, 0, 0.15);
}
.form-note {
  margin: 0;
  min-height: 1.2em;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

.footer {
  background: var(--ink);
  color: rgba(255, 254, 251, 0.7);
  padding: 36px 0;
  font-size: 14px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  justify-content: space-between;
}
.footer-brand { margin: 0; font-family: var(--display); font-weight: 600; color: var(--on-primary); }
.footer p { margin: 0; }
.footer a { color: var(--on-primary); text-decoration: underline; font-weight: 600; }

.js-motion .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  transition-delay: calc(var(--i, 0) * 0.07s);
}
.js-motion .reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 960px) {
  .nav-left, .nav-right { display: none; }
  .nav-menu { display: block; }
  .nav-bar { grid-template-columns: 1fr auto; }
  .nav-logo { justify-self: start; grid-column: 1; }
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .hero-copy { padding: 48px 24px; order: 2; }
  .hero-media { order: 1; border-left: none; border-bottom: 1px solid rgba(197, 192, 177, 0.55); }
  .hero-media img { min-height: 280px; max-height: 360px; }
  .flip-grid { grid-template-columns: 1fr 1fr; }
  .studio-grid,
  .plan-grid,
  .book-split { grid-template-columns: 1fr; }
  .book-photo img { min-height: 260px; }
}

@media (max-width: 560px) {
  .flip-grid { grid-template-columns: 1fr; }
  .flip-card { height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-media img { animation: none !important; }
  .flip-inner { transition: none; }
  html { scroll-behavior: auto; }
}

/* --- Accessibility baseline (Web Interface Guidelines) --- */
.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 1000;
  padding: 10px 14px;
  background: #111;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: 6px;
  transform: translateY(-200%);
}
.skip-link:focus { outline: none; }
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid currentColor;
  outline-offset: 2px;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}
[id] {
  scroll-margin-top: calc(5.5rem + env(safe-area-inset-top, 0px));
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
.nav, .nav-min, .masthead, .bar {
  padding-left: max(0px, env(safe-area-inset-left, 0px));
  padding-right: max(0px, env(safe-area-inset-right, 0px));
}
.nav-drawer {
  overscroll-behavior: contain;
}

/* --- Web Interface Guidelines extras --- */
a, button, summary, input, select, textarea, label, [role="button"], [role="tab"] {
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0.08);
}
h1, h2, h3 { text-wrap: pretty; }