/* PULSO — Rock drum school */

:root {
  --bg: #0a0a0a;
  --bg-elev: #121212;
  --ink: #f5f2ea;
  --ink-dim: #9a968b;
  --ink-mute: #5a564d;
  --line: #222020;
  --accent: #ff2d55;    /* hot neon red */
  --accent-2: #eaff00;  /* acid yellow */
  --grid-gap: clamp(16px, 2vw, 28px);
  --glitch: 1;
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background-image:
    radial-gradient(ellipse at 10% 0%, rgba(255, 45, 85, 0.08), transparent 55%),
    radial-gradient(ellipse at 90% 30%, rgba(234, 255, 0, 0.04), transparent 50%);
}

/* Noise overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.8'/></svg>");
}

/* Scanlines subtle */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  opacity: 0.04;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0, transparent 2px,
    rgba(255,255,255,0.6) 2px, rgba(255,255,255,0.6) 3px
  );
}

.mono { font-family: 'JetBrains Mono', 'Menlo', monospace; letter-spacing: 0.02em; }
.display {
  font-family: 'Anton', 'Archivo Black', 'Impact', sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 0.85;
  text-transform: uppercase;
}

/* Layout shell */
.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,10,10,0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Anton', sans-serif;
  font-size: 22px;
  letter-spacing: 0.05em;
}
.brand-mark {
  width: 24px; height: 24px;
  position: relative;
  display: inline-block;
}
.brand-mark::before, .brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid var(--ink);
  border-radius: 50%;
}
.brand-mark::after {
  inset: 5px;
  border-color: var(--accent);
  background: var(--accent);
  animation: pulse-dot 0.8s steps(2, end) infinite;
}
@keyframes pulse-dot {
  0%, 49% { transform: scale(1); opacity: 1; }
  50%, 100% { transform: scale(0.5); opacity: 0.4; }
}
.nav-links {
  display: flex; gap: clamp(16px, 3vw, 36px);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-links a { color: var(--ink-dim); text-decoration: none; transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.lang-toggle {
  display: flex;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  border: 1px solid var(--line);
  overflow: hidden;
}
.lang-toggle button {
  background: transparent;
  color: var(--ink-dim);
  border: 0;
  padding: 7px 12px;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
}
.lang-toggle button.on {
  background: var(--accent);
  color: #000;
}

@media (max-width: 700px) {
  .nav-links { display: none; }
}

/* Hero */
.hero { position: relative; padding: clamp(36px, 8vh, 80px) 0 0; }
.hero-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}
.hero-kicker::before {
  content: "";
  width: 32px; height: 1px; background: var(--accent);
}

.hero-title {
  font-size: clamp(72px, 18vw, 280px);
  position: relative;
}
.hero-title .line2 {
  color: var(--accent);
  display: block;
  position: relative;
}
.hero-title .glyph-stroke {
  color: transparent;
  -webkit-text-stroke: 2px var(--ink);
}

.hero-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap);
  margin-top: 40px;
  align-items: end;
}
@media (max-width: 800px) {
  .hero-body { grid-template-columns: 1fr; }
}

.hero-sub {
  max-width: 46ch;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.45;
  color: var(--ink-dim);
  text-wrap: pretty;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 14px;
  background: var(--accent);
  color: #000;
  border: 0;
  padding: 22px 28px;
  font-family: 'Anton', sans-serif;
  font-size: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  transition: transform .1s ease, background .15s;
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  padding-right: 40px;
  text-decoration: none;
}
.btn-primary:hover { background: var(--ink); }
.btn-primary:active { transform: translate(2px, 2px); }
.btn-primary .arrow {
  font-size: 26px; line-height: 1;
}

.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 18px 24px;
  font-family: 'Anton', sans-serif;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn-ghost:hover { background: var(--ink); color: #000; }

.cta-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Stats row */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 24px;
  margin-top: 80px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  align-items: center;
}
@media (max-width: 800px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .bpm-widget { grid-column: span 2; }
}
.stat .num {
  font-family: 'Anton', sans-serif;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1;
  color: var(--ink);
}
.stat .num .accent { color: var(--accent); }
.stat .lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 8px;
}

/* BPM widget */
.bpm-widget {
  display: flex; align-items: center; gap: 18px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  min-width: 240px;
}
.bpm-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
}
.bpm-info { flex: 1; }
.bpm-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.bpm-value {
  font-family: 'Anton', sans-serif;
  font-size: 30px;
  line-height: 1;
  color: var(--ink);
}
.bpm-value span { color: var(--accent); font-size: 16px; margin-left: 6px; }
.bpm-ctrl {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.bpm-ctrl button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  width: 28px; height: 20px;
  cursor: pointer;
  font: 11px 'JetBrains Mono', monospace;
  padding: 0;
}
.bpm-ctrl button:hover { border-color: var(--ink); color: var(--ink); }

/* Marquee */
.marquee {
  margin-top: 0;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}
.marquee-track {
  display: inline-block;
  animation: slide 40s linear infinite;
  font-family: 'Anton', sans-serif;
  font-size: clamp(28px, 4vw, 56px);
  letter-spacing: 0.02em;
  color: var(--ink);
}
.marquee-track span { color: var(--accent); margin: 0 6px; }
@keyframes slide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Section tag */
.section-tag {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.section-tag::before, .section-tag::after {
  content: "";
  height: 1px;
  background: var(--line);
  flex: 1;
  max-width: 120px;
}
.section-tag::before { max-width: 32px; background: var(--accent); }

section { padding: clamp(80px, 12vh, 140px) 0; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}

.about-portrait {
  aspect-ratio: 4 / 5;
  background:
    linear-gradient(135deg, rgba(255,45,85,0.1), rgba(234,255,0,0.04)),
    repeating-linear-gradient(45deg, #1a1a1a 0 3px, #111 3px 6px);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}
.about-portrait::before {
  content: "IMG · PORTRAIT 4:5";
  position: absolute;
  bottom: 12px; left: 12px;
  font: 10px 'JetBrains Mono', monospace;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
}
.about-portrait .tape {
  position: absolute;
  top: 16px; right: -30px;
  background: var(--accent-2);
  color: #000;
  padding: 6px 40px;
  font: 10px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.2em;
  transform: rotate(8deg);
  text-transform: uppercase;
}

.about-name {
  font-size: clamp(44px, 6vw, 88px);
  margin-bottom: 12px;
}
.about-name .accent { color: var(--accent); }
.about-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.about-bio {
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 20px;
  max-width: 58ch;
}
.about-bio:last-of-type { color: var(--ink-dim); }

.about-credits {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.credit {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  gap: 16px;
}
.credit:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 16px; }
.credit:nth-child(even) { padding-left: 16px; }
.credit .k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.credit .v {
  font-family: 'Anton', sans-serif;
  font-size: 18px;
  color: var(--ink);
}

/* Drum animation */
.drum-section {
  padding: clamp(80px, 12vh, 140px) 0;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(255,45,85,0.08), transparent 60%),
    var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.drum-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.drum-title {
  font-size: clamp(44px, 7vw, 104px);
}
.drum-title .accent { color: var(--accent); }
.drum-meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}
.drum-step-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
  width: clamp(240px, 34vw, 380px);
}
.drum-step-grid .st {
  height: 18px;
  background: #1a1a1a;
  border: 1px solid var(--line);
  transition: background .06s, border-color .06s, box-shadow .06s;
}
.drum-step-grid .st.beat { border-top: 2px solid var(--ink-mute); }
.drum-step-grid .st.on {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}
.drum-toggle {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 10px 18px;
  font: 12px 'JetBrains Mono', monospace;
  letter-spacing: 0.15em;
  cursor: pointer;
  text-transform: uppercase;
  transition: background .15s, color .15s;
}
.drum-toggle:hover { background: var(--ink); color: #000; }

.drum-stage {
  position: relative;
  background:
    repeating-linear-gradient(90deg, transparent 0 60px, rgba(255,255,255,0.015) 60px 61px),
    #0c0c0c;
  border: 1px solid var(--line);
  padding: 24px 16px 16px;
  overflow: hidden;
}
.drum-svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 540px;
}

.drum-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  padding: 16px 0 4px;
  border-top: 1px solid var(--line);
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.legend-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .1s;
}
.legend-dot i {
  width: 8px;
  height: 8px;
  background: #3a3632;
  border-radius: 50%;
  transition: background .08s, box-shadow .08s, transform .08s;
}
.legend-dot.on { color: var(--ink); }
.legend-dot.on i {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  transform: scale(1.4);
}
.legend-dot.on.acid i {
  background: var(--accent-2);
  box-shadow: 0 0 10px var(--accent-2);
}

/* Plans */
.plans-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 48px; flex-wrap: wrap; }
.plans-title { font-size: clamp(48px, 8vw, 120px); }
.plans-title .accent { color: var(--accent); }
.plans-sub {
  max-width: 42ch;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.5;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
}
@media (max-width: 900px) {
  .plans-grid { grid-template-columns: 1fr; }
}

.plan {
  padding: 32px 28px 28px;
  border-right: 1px solid var(--line);
  background: var(--bg);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: background .2s;
}
.plan:last-child { border-right: 0; }
@media (max-width: 900px) {
  .plan { border-right: 0; border-bottom: 1px solid var(--line); }
  .plan:last-child { border-bottom: 0; }
}
.plan:hover { background: var(--bg-elev); }

.plan.popular {
  background: linear-gradient(180deg, rgba(255,45,85,0.12), transparent 60%);
}
.plan.popular::before {
  content: "POPULAR";
  position: absolute;
  top: 0; right: 0;
  background: var(--accent);
  color: #000;
  font: 10px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.2em;
  padding: 6px 10px;
}

.plan-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}
.plan-name {
  font-family: 'Anton', sans-serif;
  font-size: 40px;
  line-height: 1;
  color: var(--ink);
}
.plan.popular .plan-name { color: var(--accent); }

.plan-bpm {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  text-align: right;
  text-transform: uppercase;
}
.plan-bpm .num {
  display: block;
  font-family: 'Anton', sans-serif;
  font-size: 16px;
  color: var(--ink-dim);
  letter-spacing: 0;
}

.plan-level {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.plan-desc {
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 28px;
  min-height: 4em;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}
.plan-price .cur { font: 14px 'JetBrains Mono', monospace; color: var(--ink-dim); }
.plan-price .amt { font: 56px/1 'Anton', sans-serif; color: var(--ink); }
.plan.popular .plan-price .amt { color: var(--accent); }
.plan-price .per {
  font: 11px 'JetBrains Mono', monospace;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-left: 4px;
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}
.plan-features li {
  font-size: 13px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--ink);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.plan-features li::before {
  content: "◼";
  color: var(--accent);
  font-size: 8px;
  margin-top: 6px;
  flex-shrink: 0;
}

.plan-cta {
  width: 100%;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 16px;
  font: 16px 'Anton', sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s, color .15s;
  display: block;
  text-decoration: none;
  text-align: center;
}
.plan-cta:hover { background: var(--ink); color: #000; }
.plan.popular .plan-cta {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}
.plan.popular .plan-cta:hover { background: var(--ink); border-color: var(--ink); }

/* Students / testimonials */
.students-title { font-size: clamp(44px, 7vw, 104px); margin-bottom: 56px; }
.students-title .accent { color: var(--accent); }

.students-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 900px) { .students-grid { grid-template-columns: 1fr; } }

.student {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  min-height: 380px;
  transition: background .2s;
}
.student:hover { background: var(--bg-elev); }
.student-mark {
  font-family: 'Anton', sans-serif;
  font-size: 80px;
  line-height: 0.7;
  color: var(--accent);
}
.student-quote {
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  flex: 1;
  text-wrap: pretty;
}
.student-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  gap: 14px;
}
.student-who {
  display: flex; flex-direction: column; gap: 4px;
  min-width: 0;
  width: 100%;
  order: 2;
}
.student-name {
  font: 20px 'Anton', sans-serif;
  color: var(--ink);
  line-height: 1;
  word-break: normal;
  overflow-wrap: break-word;
}
.student-tag { font: 10px 'JetBrains Mono', monospace; letter-spacing: 0.15em; color: var(--ink-mute); text-transform: uppercase; }
.student-age {
  font: 14px 'JetBrains Mono', monospace;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 10px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  align-self: flex-start;
  order: 1;
}

/* CTA section */
.cta {
  background: var(--accent);
  color: #000;
  padding: clamp(100px, 15vh, 160px) 0;
  position: relative;
  overflow: hidden;
}
.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg, transparent 0 40px, rgba(0,0,0,0.04) 40px 41px
  );
  pointer-events: none;
}
.cta .section-tag { color: #000; }
.cta .section-tag::before { background: #000; }
.cta .section-tag::after { background: rgba(0,0,0,0.2); }

.cta-title {
  font-size: clamp(60px, 13vw, 200px);
  color: #000;
}
.cta-title .outline {
  color: transparent;
  -webkit-text-stroke: 2px #000;
}
.cta-sub-text {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.5;
  max-width: 52ch;
  margin: 32px 0 40px;
  color: #000;
}
.cta .btn-primary {
  background: #000;
  color: var(--accent);
  font-size: 22px;
  padding: 26px 40px;
}
.cta .btn-primary:hover { background: #fff; color: #000; }
.cta-small {
  margin-top: 16px;
  font: 11px 'JetBrains Mono', monospace;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.6);
}

/* Footer */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 800px) { .footer { grid-template-columns: 1fr; } }
.footer-brand {
  font: 64px 'Anton', sans-serif;
  letter-spacing: 0.02em;
}
.footer-brand .accent { color: var(--accent); }
.footer-col h4 {
  font: 11px 'JetBrains Mono', monospace;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}
.footer-rights {
  grid-column: 1 / -1;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font: 11px 'JetBrains Mono', monospace;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Glitch effect tied to intensity */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  pointer-events: none;
  opacity: calc(var(--glitch) * 0.7);
}
.glitch::before {
  color: var(--accent);
  transform: translate(calc(var(--glitch) * 4px), calc(var(--glitch) * -2px));
  mix-blend-mode: screen;
  animation: glitch-a calc(4s / var(--glitch, 0.01)) steps(2, end) infinite;
}
.glitch::after {
  color: #00e7ff;
  transform: translate(calc(var(--glitch) * -3px), calc(var(--glitch) * 2px));
  mix-blend-mode: screen;
  animation: glitch-b calc(5s / var(--glitch, 0.01)) steps(2, end) infinite;
}
@keyframes glitch-a {
  0%, 92%, 100% { transform: translate(calc(var(--glitch) * 4px), calc(var(--glitch) * -2px)); }
  93% { transform: translate(calc(var(--glitch) * 8px), calc(var(--glitch) * 3px)); }
  96% { transform: translate(calc(var(--glitch) * -6px), calc(var(--glitch) * 2px)); }
}
@keyframes glitch-b {
  0%, 94%, 100% { transform: translate(calc(var(--glitch) * -3px), calc(var(--glitch) * 2px)); }
  95% { transform: translate(calc(var(--glitch) * 6px), calc(var(--glitch) * -4px)); }
  98% { transform: translate(calc(var(--glitch) * -8px), calc(var(--glitch) * 3px)); }
}

/* beat flash class applied on beats */
.beat-sync {
  transition: transform .05s ease-out, filter .05s ease-out;
}
.beat-sync.beat {
  transform: scale(1.03);
  filter: brightness(1.3);
}

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ── focus-visible ──────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.lang-toggle button:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 0;
  position: relative;
  z-index: 1;
}
.cta :focus-visible {
  outline-color: #000;
}

/* ── prefers-reduced-motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.1ms !important;
    scroll-behavior: auto !important;
  }
  .marquee-track { animation: none; }
  .glitch::before, .glitch::after { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Interactive drum kit ─────────────────────────────────────────── */
[data-drum] {
  cursor: pointer;
  pointer-events: all;          /* SVG <g> necesita esto para recibir toques */
  touch-action: manipulation;   /* elimina el delay de 300 ms en móvil */
  -webkit-tap-highlight-color: transparent;
}
[data-drum]:focus-visible {
  filter: drop-shadow(0 0 8px var(--accent));
  outline: none;
}

.drum-hint {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  text-align: center;
  padding: 14px 0 4px;
  animation: blink-hint 2.5s steps(2, end) 3;
}
@keyframes blink-hint {
  0%, 49%, 100% { opacity: 1; }
  50%, 99% { opacity: 0.2; }
}
@media (prefers-reduced-motion: reduce) {
  .drum-hint { animation: none; }
}