/* ============================================================
   JukeNFC landing — component & layout styles.
   Built on the design-system tokens (styles/tokens/*.css).
   ============================================================ */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-body);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; }

:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; border-radius: 4px; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ---- soft blurred atmosphere blobs ---- */
.blob { position: absolute; border-radius: 50%; pointer-events: none; }

/* ---- icons (SVG sprite via <use>) ---- */
.ico {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-block;
  vertical-align: middle;
  flex: 0 0 auto;
}

/* ---- tone fills (white-on-color tiles) ---- */
.bg-grape { background: var(--grape-500); }
.bg-tangerine { background: var(--tangerine-500); }
.bg-sunshine { background: var(--sunshine-500); }
.bg-mint { background: var(--mint-500); }
.bg-sky { background: var(--sky-500); }
.bg-bubblegum { background: var(--bubblegum-500); }

.tile {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 -8px 16px rgba(0, 0, 0, 0.12);
}
.tile.soft-shadow { box-shadow: inset 0 -6px 14px rgba(0, 0, 0, 0.18); }

/* ============================================================
   Buttons — chunky, tactile "candy" face on a darker bottom edge.
   ============================================================ */
.btn {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: var(--ls-snug);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: transform var(--dur-fast) var(--ease-spring),
              filter var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
  user-select: none;
}
.btn-sm { font-size: var(--text-sm); padding: 8px 16px; gap: 6px; border-radius: var(--radius-md); }
.btn-md { font-size: var(--text-md); padding: 13px 24px; }
.btn-lg { font-size: var(--text-lg); padding: 17px 32px; gap: 10px; border-radius: var(--radius-xl); }

/* solid tones — the 3D edge is the bottom box-shadow */
.btn-grape    { background: var(--grape-500);    color: #fff;     box-shadow: 0 4px 0 var(--grape-700); }
.btn-sunshine { background: var(--sunshine-500); color: #4a3208;  box-shadow: 0 4px 0 var(--sunshine-600); }
.btn-sm.btn-grape, .btn-sm.btn-sunshine { box-shadow: 0 3px 0 var(--grape-700); }
.btn-sm.btn-sunshine { box-shadow: 0 3px 0 var(--sunshine-600); }
.btn-lg.btn-grape    { box-shadow: 0 5px 0 var(--grape-700); }
.btn-lg.btn-sunshine { box-shadow: 0 5px 0 var(--sunshine-600); }

.btn-grape:active, .btn-sunshine:active { transform: translateY(3px) scale(0.99); }
.btn-lg.btn-grape:active, .btn-lg.btn-sunshine:active { transform: translateY(4px) scale(0.99); }

/* ghost variants */
.btn-ghost {
  background: transparent;
  color: var(--text-strong);
  box-shadow: inset 0 0 0 2px var(--border-mid);
}
.btn-ghost:active { transform: translateY(1px) scale(0.99); }
.btn-ghost-light {
  background: transparent;
  color: #fff;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.5);
}
.btn-ghost-light:active { transform: translateY(1px) scale(0.99); }

/* ---- badge / pill ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: var(--text-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.badge-mint { background: var(--mint-300); color: var(--mint-600); }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint-500); }

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--cream) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner { display: flex; align-items: center; gap: 24px; padding: 14px 28px; max-width: 1180px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-word { font-family: var(--font-display); font-weight: 700; font-size: 24px; letter-spacing: -0.02em; }
.logo-word .j { color: var(--ink-900); }
.logo-word .n { color: var(--grape-500); }
.nav-links { display: flex; gap: 26px; margin-left: 18px; }
.nav-links a { font-family: var(--font-body); font-weight: 700; font-size: 15px; color: var(--text-body); text-decoration: none; transition: opacity var(--dur-fast) var(--ease-out); }
.nav-links a:hover { opacity: 0.65; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* ---- language picker ---- */
.lang { position: relative; }
.lang-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--text-strong);
  background: var(--surface-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
}
.lang-btn .chev { transition: transform var(--dur-base) var(--ease-out); }
.lang.open .lang-btn .chev { transform: rotate(180deg); }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 168px;
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 70;
  display: none;
}
.lang.open .lang-menu { display: block; }
.lang-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  color: var(--text-body);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
}
.lang-opt:hover { background: var(--bg-subtle); }
.lang-opt.active { color: var(--grape-600); background: var(--grape-100); }
.lang-opt .left { display: flex; align-items: center; gap: 9px; }
.lang-opt .code { font-family: var(--font-mono); font-size: 12px; font-weight: 600; opacity: 0.7; }
.lang-opt .check { display: none; color: var(--grape-600); }
.lang-opt.active .check { display: inline-block; }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; overflow: hidden; }
.hero-grid {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 70px 28px 90px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grape-600);
  background: var(--grape-100);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin: 20px 0 0;
}
.hero h1 .accent { color: var(--grape-500); }
.hero-sub {
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.55;
  color: var(--text-body);
  max-width: 470px;
  margin: 22px 0 0;
  font-weight: 500;
}
.hero-ctas { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-chips { display: flex; gap: 22px; margin-top: 28px; flex-wrap: wrap; }
.chip { display: flex; align-items: center; gap: 8px; font-family: var(--font-body); font-weight: 700; font-size: 14px; color: var(--text-muted); }
.chip .ico { color: var(--mint-600); }

.hero-art { position: relative; height: 460px; }
.float { position: absolute; width: 150px; animation: floaty 5s ease-in-out infinite; }
.float-inner {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-soft);
}
.float .tile { aspect-ratio: 1 / 1; }
.float-name { font-family: var(--font-display); font-weight: 600; font-size: 17px; color: var(--text-strong); }
.float-sound { display: flex; align-items: center; gap: 5px; font-family: var(--font-body); font-weight: 700; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.float-meta { padding: 10px 4px 4px; }

@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)) scale(var(--s, 1)); }
  50%      { transform: translateY(-14px) rotate(var(--r, 0deg)) scale(var(--s, 1)); }
}

/* ============================================================
   Section heads + shared blocks
   ============================================================ */
.section { max-width: 1180px; margin: 0 auto; padding: 90px 28px; }
.shead .eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grape-600);
}
.shead h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 10px 0 0;
  line-height: 1.05;
}
.shead p { font-family: var(--font-body); font-size: 18px; line-height: 1.55; color: var(--text-body); margin: 14px 0 0; }
.shead.center { text-align: center; max-width: 640px; margin: 0 auto; }
.shead.dark .eyebrow { color: var(--grape-300); }
.shead.dark h2 { color: #fff; }
.shead.dark p { color: rgba(255, 255, 255, 0.78); }

.h3-title { font-family: var(--font-display); font-weight: 600; font-size: 24px; color: var(--text-strong); margin: 0 0 8px; }
.p-body { font-family: var(--font-body); font-size: 16px; line-height: 1.55; color: var(--text-body); margin: 0; }

/* ---- card surface ---- */
.card {
  position: relative;
  background: var(--surface-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-soft);
  padding: var(--space-6);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.card.interactive:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card .accent-stripe { position: absolute; top: 0; left: 0; right: 0; height: 6px; }

/* ---- grids ---- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.grid-3-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 48px; }

/* ---- how-it-works step ---- */
.how-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.how-top .tile { width: 56px; height: 56px; }
.how-num { font-family: var(--font-display); font-weight: 700; font-size: 52px; line-height: 1; opacity: 0.5; }

/* ============================================================
   Private (dark section)
   ============================================================ */
.private { position: relative; overflow: hidden; background: var(--night-900); }
.private .inner { position: relative; max-width: 1180px; margin: 0 auto; padding: 90px 28px; }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 48px; }
.pillar { background: var(--night-700); border: 1px solid rgba(255, 255, 255, 0.07); border-radius: var(--radius-xl); padding: 24px; }
.pillar .tile { width: 56px; height: 56px; margin-bottom: 18px; }
.pillar h3 { font-family: var(--font-display); font-weight: 600; font-size: 21px; color: #fff; margin: 0 0 8px; }
.pillar p { font-family: var(--font-body); font-size: 15px; line-height: 1.55; color: rgba(255, 255, 255, 0.72); margin: 0; }
.private-note { display: flex; align-items: center; gap: 10px; margin-top: 32px; font-family: var(--font-mono); font-size: 13px; color: rgba(255, 255, 255, 0.55); }
.private-note .ico { color: var(--mint-400); }

/* ============================================================
   Use cases
   ============================================================ */
.use { background: var(--bg-subtle); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.use .inner { max-width: 1180px; margin: 0 auto; padding: 90px 28px; }
.case .tile { width: 60px; height: 60px; margin-bottom: 16px; box-shadow: inset 0 -6px 14px rgba(0, 0, 0, 0.12); }
.case h3 { font-family: var(--font-display); font-weight: 600; font-size: 22px; color: var(--text-strong); margin: 0 0 8px; }
.case p { font-family: var(--font-body); font-size: 16px; line-height: 1.5; color: var(--text-body); margin: 0; }
.dream {
  border-radius: var(--radius-card);
  background: var(--grape-500);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.dream h3 { font-family: var(--font-display); font-weight: 600; font-size: 22px; margin: 14px 0 6px; }
.dream p { font-family: var(--font-body); font-size: 15px; line-height: 1.5; margin: 0; opacity: 0.9; }

/* ============================================================
   Features
   ============================================================ */
.feat {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: 22px;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
}
.feat .ico-chip {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  background: var(--grape-100);
}
.feat h3 { font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--text-strong); margin: 0 0 6px; }
.feat p { font-family: var(--font-body); font-size: 14px; line-height: 1.5; color: var(--text-body); margin: 0; }
.fg-grape { color: var(--grape-600); }
.fg-tangerine { color: var(--tangerine-600); }
.fg-sky { color: var(--sky-600); }
.fg-mint { color: var(--mint-600); }
.fg-bubblegum { color: var(--bubblegum-600); }
.fg-sunshine { color: var(--sunshine-600); }

/* ============================================================
   Library + sound cards
   ============================================================ */
.library { background: var(--bg-subtle); border-top: 1px solid var(--border-soft); }
.lib-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 90px 28px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.sound-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.sound-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  padding: 14px;
  border: none;
  cursor: pointer;
  width: 100%;
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  outline: 1px solid var(--border-soft);
  transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-base) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.sound-card:active { transform: scale(0.96); }
.sound-card.playing { box-shadow: 0 0 0 3px var(--_tone, var(--grape-500)), var(--shadow-md); }

.sound-face {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: var(--_tone, var(--grape-500));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 -8px 16px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.sound-face .glyph { transform: scale(1.6); transition: opacity var(--dur-base); }
.sound-card.playing .sound-face .glyph { opacity: 0.25; }

.eq { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; gap: 5px; }
.sound-card.playing .eq { display: flex; }
.eq span { width: 6px; border-radius: 3px; background: #fff; height: 14px; transform-origin: center; animation: eq 0.9s ease-in-out infinite; }
.eq span:nth-child(2) { animation-delay: 0.12s; }
.eq span:nth-child(3) { animation-delay: 0.24s; }
.eq span:nth-child(4) { animation-delay: 0.36s; }
@keyframes eq { 0%, 100% { height: 8px; } 50% { height: 22px; } }

.sound-meta { display: flex; flex-direction: column; gap: 2px; padding: 0 4px 4px; }
.sound-name { font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--text-strong); line-height: 1.1; }
.sound-file { display: flex; align-items: center; gap: 5px; font-family: var(--font-body); font-weight: 600; font-size: 14px; color: var(--text-muted); }
.sound-file .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tones-grape { --_tone: var(--grape-500); }
.tones-tangerine { --_tone: var(--tangerine-500); }
.tones-sunshine { --_tone: var(--sunshine-500); }
.tones-mint { --_tone: var(--mint-500); }
.tones-sky { --_tone: var(--sky-500); }
.tones-bubblegum { --_tone: var(--bubblegum-500); }

/* ============================================================
   CTA
   ============================================================ */
.cta { position: relative; overflow: hidden; background: var(--grape-500); }
.cta .inner { position: relative; max-width: 800px; margin: 0 auto; padding: 90px 28px; text-align: center; }
.cta img { margin: 0 auto; filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.25)); }
.cta h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(34px, 5vw, 56px); letter-spacing: -0.02em; color: #fff; margin: 20px 0 0; line-height: 1.02; }
.cta p { font-family: var(--font-body); font-size: 19px; line-height: 1.5; color: rgba(255, 255, 255, 0.9); margin: 16px auto 0; max-width: 460px; font-weight: 500; }
.cta .ctas { display: flex; gap: 14px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.cta .note { font-family: var(--font-body); font-size: 13px; color: rgba(255, 255, 255, 0.7); margin-top: 20px; font-weight: 600; }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--night-900); color: #fff; }
.footer .cols {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 28px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer .tagline { font-family: var(--font-body); font-size: 15px; line-height: 1.5; color: var(--night-400); margin: 16px 0 0; max-width: 260px; }
.footer .col-h { font-family: var(--font-display); font-weight: 600; font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--night-400); margin-bottom: 14px; }
.footer .col a {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  margin-bottom: 10px;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.footer .col a:hover { opacity: 0.65; }
.footer .bottom {
  border-top: 1px solid var(--night-700);
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--night-400);
}
.footer .bottom .offline { display: flex; align-items: center; gap: 8px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid, .lib-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-3-cases, .grid-4, .pillars { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .grid-3, .grid-3-cases, .grid-4, .pillars, .sound-grid, .footer .cols { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .hero-grid { padding-top: 40px; }
}

/* ---- respect reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .float { animation: none; }
  .eq span { animation: none; height: 14px; }
  html { scroll-behavior: auto; }
}