:root {
  --ink: #11100e;
  --paper: #f4f0e7;
  --cream: #fff8e8;
  --yellow: #f7b718;
  --coral: #ef5b3f;
  --muted: #bbb4aa;
  --line: rgba(255, 255, 255, .16);
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--yellow); color: var(--ink); padding: .8rem 1rem; font-weight: 800; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 850; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 2.35rem; aspect-ratio: 1; background: var(--yellow); color: var(--ink); border-radius: 50%; font-size: .78rem; transform: rotate(-8deg); }
nav { display: flex; align-items: center; gap: 1.35rem; }
nav a { font-size: .88rem; font-weight: 700; text-decoration: none; opacity: .82; }
nav a:hover { opacity: 1; color: var(--yellow); }
.lang-toggle { border: 1px solid rgba(255,255,255,.35); border-radius: 2rem; background: transparent; color: inherit; padding: .45rem .7rem; font-size: .75rem; font-weight: 900; cursor: pointer; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 760px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 6rem);
  padding: 9rem max(1.5rem, calc((100% - 1180px) / 2)) 5rem;
  background:
    radial-gradient(circle at 81% 30%, rgba(247,183,24,.14), transparent 23rem),
    linear-gradient(125deg, #181613 0%, #0d0c0b 58%, #17110d 100%);
}

.hero::after { content: ""; position: absolute; z-index: -1; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to right, black, transparent 64%); }
.eyebrow { margin: 0 0 1rem; color: var(--yellow); font-size: .75rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.45rem; font-family: Impact, "Arial Narrow", ui-sans-serif, sans-serif; font-size: clamp(4.2rem, 9vw, 8rem); font-weight: 900; line-height: .82; letter-spacing: -.045em; text-transform: uppercase; }
h1 em { color: var(--yellow); font-style: normal; }
.hero-intro { max-width: 38rem; margin-bottom: 2rem; color: #d8d2c8; font-size: clamp(1.05rem, 1.8vw, 1.26rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.2rem; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 3.5rem; border: 0; padding: .95rem 1.35rem; text-decoration: none; font-weight: 900; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-3px) rotate(-.4deg); }
.button-primary { color: var(--ink); background: var(--yellow); box-shadow: 7px 7px 0 var(--coral); }
.button-light { color: var(--ink); background: var(--cream); box-shadow: 7px 7px 0 rgba(17,16,14,.25); }
.text-link { text-underline-offset: .32rem; font-weight: 800; }
.quick-facts { display: flex; flex-wrap: wrap; gap: .65rem 1.2rem; margin: 2.8rem 0 0; padding: 1.2rem 0 0; border-top: 1px solid var(--line); list-style: none; color: var(--muted); font-size: .82rem; }
.quick-facts li::before { content: "✦"; margin-right: .5rem; color: var(--yellow); }

.hero-art { position: relative; min-height: 570px; }
.sun { position: absolute; width: min(28vw, 390px); aspect-ratio: 1; right: 3%; top: 10%; border: 2px solid rgba(247,183,24,.3); border-radius: 50%; box-shadow: 0 0 0 35px rgba(247,183,24,.025), 0 0 0 70px rgba(247,183,24,.02); }
.amp-card { position: absolute; right: 6%; bottom: 5%; width: min(28vw, 330px); aspect-ratio: .88; border: 9px solid #322d27; border-radius: 12px; background: #38322c; box-shadow: var(--shadow); transform: rotate(4deg); }
.amp-label { position: absolute; left: 1.2rem; top: 1rem; color: var(--yellow); font-family: Impact, "Arial Narrow", sans-serif; font-size: 2rem; line-height: .85; transform: rotate(-5deg); }
.speaker { position: absolute; left: 12%; right: 12%; bottom: 8%; aspect-ratio: 1; border: 12px solid #191715; border-radius: 50%; background: repeating-radial-gradient(circle, #23201c 0 4px, #151311 5px 8px); box-shadow: inset 0 0 0 14px #2c2823; }
.amp-controls { position: absolute; top: 1rem; right: 1rem; display: flex; gap: .45rem; }
.amp-controls i { width: .7rem; height: .7rem; border-radius: 50%; background: var(--cream); box-shadow: 0 0 0 3px #151311; }
.guitar-art { position: absolute; z-index: 4; width: 122%; max-width: none; left: -17%; top: 5%; transform: rotate(-8deg); filter: drop-shadow(24px 30px 25px rgba(0,0,0,.5)); }
.sticker { position: absolute; z-index: 6; display: grid; place-items: center; color: var(--ink); font-family: Impact, "Arial Narrow", sans-serif; line-height: .8; text-align: center; box-shadow: 10px 12px 20px rgba(0,0,0,.25); }
.sticker-one { left: 2%; top: 14%; width: 112px; aspect-ratio: 1; border-radius: 50%; background: var(--yellow); font-size: 1.8rem; transform: rotate(-12deg); }
.sticker-two { right: 0; top: 5%; width: 72px; aspect-ratio: 1; background: var(--cream); font-size: 2.5rem; transform: rotate(9deg); clip-path: polygon(50% 0, 100% 20%, 85% 80%, 35% 100%, 0 60%, 10% 15%); }

.lessons { padding: 7rem max(1.5rem, calc((100% - 1180px) / 2)); background: var(--paper); color: var(--ink); }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; column-gap: 3rem; align-items: end; margin-bottom: 3rem; }
.section-heading .eyebrow { grid-column: 1 / -1; color: #9c351f; }
.section-heading h2, .about-panel h2, .contact-panel h2, .dialog-card h2 { margin-bottom: 0; font-family: Impact, "Arial Narrow", sans-serif; font-size: clamp(2.8rem, 5vw, 5rem); line-height: .95; letter-spacing: -.025em; text-transform: uppercase; }
.section-heading > p:last-child { margin: 0; max-width: 29rem; color: #645f58; line-height: 1.7; }
.lesson-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.lesson-card { position: relative; min-height: 330px; padding: 2rem; overflow: hidden; border: 2px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); }
.lesson-card::after { content: ""; position: absolute; width: 150px; height: 150px; border: 18px solid rgba(17,16,14,.12); border-radius: 50%; right: -60px; bottom: -70px; }
.card-yellow { background: var(--yellow); transform: rotate(-1deg); }
.card-coral { color: var(--paper); background: var(--coral); transform: translateY(1rem) rotate(1deg); }
.card-cream { background: var(--cream); transform: rotate(-.6deg); }
.card-number { display: block; margin-bottom: 5rem; font-weight: 950; opacity: .55; }
.lesson-card h3 { margin-bottom: .8rem; font-family: Impact, "Arial Narrow", sans-serif; font-size: 2.2rem; letter-spacing: .01em; text-transform: uppercase; }
.lesson-card p { margin-bottom: 0; line-height: 1.65; }

.about-contact { display: grid; grid-template-columns: 1.12fr .88fr; min-height: 650px; background: #1a1815; }
.about-panel, .contact-panel { padding: clamp(4rem, 8vw, 8rem) max(1.5rem, calc((100vw - 1180px) / 2)); }
.about-panel { padding-right: clamp(2rem, 6vw, 6rem); padding-left: max(1.5rem, calc((100vw - 1180px) / 2)); background: linear-gradient(145deg, #1c1a17, #0f0e0d); }
.about-panel h2 { max-width: 680px; margin-bottom: 2rem; }
.about-panel > p:not(.eyebrow) { max-width: 610px; color: #c9c3b9; font-size: 1.05rem; line-height: 1.75; }
blockquote { max-width: 560px; margin: 3rem 0 0; padding: 1.1rem 0 1.1rem 1.4rem; border-left: 5px solid var(--yellow); color: var(--yellow); font-size: 1.35rem; font-weight: 850; line-height: 1.35; }
.contact-panel { display: flex; flex-direction: column; justify-content: center; padding-left: clamp(2rem, 6vw, 5rem); padding-right: max(1.5rem, calc((100vw - 1180px) / 2)); color: var(--ink); background: var(--coral); }
.contact-kicker { margin-bottom: 1.3rem; font-size: .78rem; font-weight: 950; letter-spacing: .15em; text-transform: uppercase; }
.contact-panel h2 { margin-bottom: 1.6rem; font-size: clamp(3rem, 5vw, 5.4rem); }
.contact-panel > p:not(.contact-note) { max-width: 520px; line-height: 1.7; }
.contact-panel .button { align-self: flex-start; margin-top: 1rem; }
.contact-note { margin: 1.2rem 0 0; font-size: .76rem; font-weight: 800; opacity: .72; }
.contact-note a { color: inherit; text-underline-offset: .2rem; }
.contact-note a:hover { opacity: .75; }

footer { display: flex; justify-content: space-between; gap: 1rem; max-width: 1180px; margin: 0 auto; padding: 2rem 1.5rem; color: #8c877f; font-size: .78rem; }
footer p { margin: 0; }

.contact-dialog { width: min(560px, calc(100% - 2rem)); padding: 0; border: 0; color: var(--paper); background: transparent; }
.contact-dialog::backdrop { background: rgba(0,0,0,.75); backdrop-filter: blur(7px); }
.dialog-card { position: relative; padding: 2rem; border: 1px solid rgba(255,255,255,.15); background: #1a1815; box-shadow: var(--shadow); }
.dialog-card h2 { margin-bottom: 1.5rem; font-size: 2.7rem; }
.dialog-card label { display: grid; gap: .45rem; margin: 1rem 0; font-weight: 800; }
.dialog-card input, .dialog-card textarea { width: 100%; border: 1px solid #4c4841; border-radius: 0; outline: none; color: var(--paper); background: #0e0d0c; padding: .85rem; }
.dialog-card input:focus, .dialog-card textarea:focus { border-color: var(--yellow); }
.dialog-close { position: absolute; right: 1rem; top: .8rem; border: 0; color: var(--paper); background: transparent; font-size: 2rem; cursor: pointer; }
.dialog-hint { margin: 1.2rem 0 0; color: #aaa49b; font-size: .8rem; line-height: 1.5; }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding-top: 8.5rem; }
  .hero-art { min-height: 430px; }
  .sun { width: 330px; }
  .amp-card { width: 250px; }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; }
  .lesson-grid { grid-template-columns: 1fr; }
  .lesson-card { min-height: 250px; }
  .card-coral { transform: rotate(1deg); }
  .card-number { margin-bottom: 2.5rem; }
  .about-contact { grid-template-columns: 1fr; }
  .about-panel, .contact-panel { padding: 5rem 1.5rem; }
}

@media (max-width: 600px) {
  .site-header { width: calc(100% - 2rem); }
  .brand > span:last-child, nav a { display: none; }
  h1 { font-size: clamp(3.7rem, 18vw, 5.5rem); }
  .hero { min-height: auto; padding-inline: 1rem; padding-bottom: 3rem; }
  .hero-art { min-height: 360px; }
  .amp-card { width: 205px; }
  .guitar-art { width: 128%; left: -22%; top: 8%; }
  .sticker-one { width: 86px; font-size: 1.4rem; }
  .quick-facts { display: grid; }
  .lessons { padding: 5rem 1rem; }
  .lesson-card { padding: 1.5rem; }
  footer { display: grid; }
  .footer-note { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
