/* Loopette site — dark TE-inspired theme on Tennnis bones */

:root {
  /* Loopette palette — pulled from the app screenshots */
  --lp-ink:        #0a0a0b;        /* page background, deeper than design system */
  --lp-ink-2:      #131316;        /* card surface 1 — like the cassette body */
  --lp-ink-3:      #1c1c20;        /* card surface 2 — module panel */
  --lp-ink-4:      #2a2a30;        /* card surface 3 — controls */
  --lp-line:       rgba(243, 239, 228, 0.08);
  --lp-line-2:     rgba(243, 239, 228, 0.16);
  --lp-line-3:     rgba(243, 239, 228, 0.32);

  --lp-paper:      #f3efe4;        /* keeps the Tennnis paper for inversions */
  --lp-fg:         #ECE6D6;        /* primary fg — slightly warm cream */
  --lp-fg-2:       rgba(236, 230, 214, 0.62);
  --lp-fg-3:       rgba(236, 230, 214, 0.40);

  /* Loopette function colors — sampled from the app */
  --lp-teal:       #4FC8B8;        /* speed, reverb, primary CTA */
  --lp-teal-deep:  #2a8c80;
  --lp-orange:     #E8693A;        /* wow, flutter, record */
  --lp-orange-deep:#b04822;
  --lp-yellow:     #E8C341;        /* inertia, tape ribbon */
  --lp-yellow-deep:#b89421;
  --lp-clay:       var(--clay);    /* keep tennnis clay for hover sweeps */

  /* Type — inherit from tokens.css */
  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-sans: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--lp-ink);
  color: var(--lp-fg);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--lp-teal); color: var(--lp-ink); }

/* ----- Layout ----- */
.lp-page {
  min-height: 100vh;
  overflow-x: hidden;
}
.lp-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 4rem;
}
@media (max-width: 800px) {
  .lp-container { padding: 0 1.5rem; }
}

/* ----- Type system overrides for the dark mode ----- */
.lp-mega {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(4.5rem, 14vw, 13rem);
  line-height: 0.86;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--lp-fg);
  margin: 0;
}
.lp-h1 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(2.5rem, 6vw, 5.25rem);
  line-height: 0.96;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  margin: 0;
}
.lp-h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(2rem, 4.2vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0;
}
.lp-h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin: 0;
}
.lp-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lp-fg-2);
}
.lp-mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.lp-body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--lp-fg-2);
  margin: 0;
}
.lp-body-lg {
  font-family: var(--font-body);
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--lp-fg);
  margin: 0;
}

/* ----- Function-color labels (OP-1 style) ----- */
.lp-fn { font-weight: 600; }
.lp-fn--teal   { color: var(--lp-teal); }
.lp-fn--orange { color: var(--lp-orange); }
.lp-fn--yellow { color: var(--lp-yellow); }
.lp-fn--paper  { color: var(--lp-fg); }

/* ----- Buttons ----- */
.lp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.4rem;
  border: 1px solid var(--lp-line-3);
  background: transparent;
  color: var(--lp-fg);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0.65, 0, 0.35, 1);
  position: relative;
  overflow: hidden;
}
.lp-btn:hover {
  background: var(--lp-fg);
  color: var(--lp-ink);
  border-color: var(--lp-fg);
}
.lp-btn--primary {
  background: var(--lp-teal);
  border-color: var(--lp-teal);
  color: var(--lp-ink);
}
.lp-btn--primary:hover {
  background: var(--lp-fg);
  border-color: var(--lp-fg);
  color: var(--lp-ink);
}
.lp-btn--pill {
  border-radius: 999px;
}

/* ----- Status LED ----- */
.lp-led {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lp-teal);
  box-shadow: 0 0 8px var(--lp-teal);
  animation: lp-pulse 2s ease-in-out infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}
@keyframes lp-pulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

/* ----- Section frames ----- */
section { position: relative; }
.lp-section {
  padding: clamp(5rem, 10vw, 9rem) 0;
  position: relative;
}
.lp-rule {
  height: 1px;
  background: var(--lp-line-2);
  width: 100%;
}

/* ----- Marquee ticker ----- */
.lp-ticker {
  border-top: 1px solid var(--lp-line);
  border-bottom: 1px solid var(--lp-line);
  overflow: hidden;
  white-space: nowrap;
  padding: 0.9rem 0;
}
.lp-ticker-track {
  display: inline-block;
  animation: lp-marquee 38s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lp-fg-2);
}
.lp-ticker-track > span {
  margin: 0 1.6rem;
}
.lp-ticker-track > span.dot {
  color: var(--lp-teal);
}
@keyframes lp-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ----- Annotations / callouts ----- */
.lp-callout {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lp-fg-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.lp-callout::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c, var(--lp-teal));
}
.lp-callout-line {
  height: 1px;
  background: var(--lp-line-3);
  flex: 1;
  min-width: 24px;
}

/* ----- Number tag (TE part-number style) ----- */
.lp-pn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lp-fg-3);
}

/* ----- Cassette (animated) ----- */
.lp-cassette {
  position: relative;
  width: 100%;
  aspect-ratio: 1.6 / 1;
  background: linear-gradient(180deg, #1a1a1d 0%, #0e0e10 100%);
  border-radius: 22px;
  border: 1px solid var(--lp-line);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.03),
    0 30px 80px -20px rgba(0,0,0,0.8);
  overflow: hidden;
}
.lp-cassette-label {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 8%;
  height: 22%;
  background: var(--lp-paper);
  color: var(--lp-ink);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: clamp(0.95rem, 2.2vw, 1.5rem);
  background-image:
    repeating-linear-gradient(0deg,
      transparent 0,
      transparent 4px,
      rgba(0,0,0,0.05) 4px,
      rgba(0,0,0,0.05) 5px
    );
}
.lp-cassette-window {
  position: absolute;
  left: 0;
  right: 0;
  top: 33%;
  bottom: 0;
  background: #050507;
  border-top: 1px solid rgba(255,255,255,0.04);
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  align-items: center;
  padding: 0 6%;
}
.lp-spool {
  width: 90%;
  max-width: 130px;
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%,
    var(--lp-orange) 0 14%,
    #0a0a0b 14% 16%,
    var(--lp-orange-deep) 16% 92%,
    #0a0a0b 92% 100%);
  border-radius: 50%;
  position: relative;
  margin: 0 auto;
  animation: lp-spin 6s linear infinite;
}
.lp-spool::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-conic-gradient(
      from 0deg,
      transparent 0deg 18deg,
      rgba(0,0,0,0.4) 18deg 30deg
    );
  border-radius: 50%;
  mask: radial-gradient(circle at 50% 50%, transparent 16%, black 16% 90%, transparent 90%);
  -webkit-mask: radial-gradient(circle at 50% 50%, transparent 16%, black 16% 90%, transparent 90%);
}
.lp-spool-hub {
  position: absolute;
  inset: 38%;
  background: #1a1a1d;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
}
@keyframes lp-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* The infinity tape ribbon — drawn as SVG inside */
.lp-tape-ribbon {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 12px rgba(232, 195, 65, 0.3));
}

/* Waveform ribbon below the spools */
.lp-waveform {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12%;
  height: 16%;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 6%;
}
.lp-waveform-bar {
  flex: 1;
  background: var(--lp-teal);
  border-radius: 1px;
  opacity: 0.85;
}
.lp-waveform-playhead {
  position: absolute;
  top: -10%;
  bottom: -10%;
  width: 2px;
  background: var(--lp-yellow);
  box-shadow: 0 0 8px var(--lp-yellow);
}

/* Cassette timecode */
.lp-cassette-time {
  position: absolute;
  bottom: 4%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.4vw, 0.95rem);
  color: var(--lp-yellow);
  letter-spacing: 0.1em;
}

/* Court-style thin guide rules in the hero */
.lp-guides {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.lp-guides::before,
.lp-guides::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--lp-line);
}
.lp-guides::before { left: 33.33%; }
.lp-guides::after  { left: 66.66%; }

/* Phone frame */
.lp-phone {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 9 / 19.5;
  background: #050507;
  border-radius: 44px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    inset 0 0 0 1px rgba(0,0,0,0.8),
    0 0 0 8px #1a1a1d,
    0 0 0 9px rgba(0,0,0,0.6),
    0 30px 80px -20px rgba(0,0,0,0.9);
  overflow: hidden;
  margin: 0 auto;
}
.lp-phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 32%;
  height: 22px;
  background: #000;
  border-radius: 999px;
  z-index: 2;
}
.lp-phone img,
.lp-phone .lp-phone-shot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Color chip / function key (OP-1 inspired) */
.lp-key {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--lp-ink-3);
  border: 1px solid var(--lp-line);
  color: var(--lp-fg);
}
.lp-key .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c, var(--lp-teal));
  box-shadow: 0 0 6px var(--c, var(--lp-teal));
}

/* "Loaded" pill from the app */
.lp-loaded-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--lp-line-2);
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lp-fg-2);
}
.lp-loaded-pill .lp-led { margin-right: 0; }

/* App store badge */
.lp-appstore {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1.2rem;
  background: var(--lp-fg);
  color: var(--lp-ink);
  border-radius: 12px;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  transition: transform 200ms;
}
.lp-appstore:hover { transform: translateY(-2px); }
.lp-appstore .apple-mark {
  width: 28px; height: 28px;
}
.lp-appstore .text small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  opacity: 0.7;
  letter-spacing: 0.05em;
}
.lp-appstore .text strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

/* Knob */
.lp-knob {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #2a2a30 0%, #0e0e10 100%);
  position: relative;
  border: 1px solid var(--lp-line-2);
}
.lp-knob::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  width: 2px;
  height: 14px;
  background: var(--c, var(--lp-teal));
  transform-origin: 50% 24px;
  transform: translateX(-50%) rotate(var(--rot, 0deg));
  border-radius: 2px;
  box-shadow: 0 0 4px var(--c, var(--lp-teal));
}

/* Scroll-reveal helper */
.lp-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}
.lp-reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Feel diagram animations ---- */
@keyframes feel-spool-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes feel-spool-spin-rev {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}
@keyframes feel-spool-spindown {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(140deg); }
}
@keyframes feel-spool-spindown-rev {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(-140deg); }
}

/* IDLE — finger hovers slightly above cassette, gentle bob */
@keyframes feel-finger-idle {
  0%, 100% { transform: translate(0px, -10px); }
  50%      { transform: translate(0px, 4px); }
}

/* PRESS — finger comes down, holds, lifts */
@keyframes feel-finger-press {
  0%   { transform: translate(0px, -30px); }
  20%  { transform: translate(0px, 12px); }
  70%  { transform: translate(0px, 12px); }
  100% { transform: translate(0px, -30px); }
}

/* DRAG — finger presses, then scrubs left/right like turntable scratch */
@keyframes feel-finger-drag {
  0%   { transform: translate(0px, 12px); }
  25%  { transform: translate(-70px, 12px); }
  50%  { transform: translate(40px, 12px); }
  75%  { transform: translate(-30px, 12px); }
  100% { transform: translate(0px, 12px); }
}

/* FLICK — quick swipe across, then lift away */
@keyframes feel-finger-flick {
  0%   { transform: translate(-90px, 10px) rotate(-6deg); }
  25%  { transform: translate(-90px, 10px) rotate(-6deg); }
  55%  { transform: translate(110px, -20px) rotate(8deg); }
  75%  { transform: translate(140px, -60px) rotate(12deg); opacity: 0.8; }
  100% { transform: translate(-90px, 10px) rotate(-6deg); opacity: 1; }
}