/* ========== AKAI / Brand Commerce — design tokens & base ========== */
:root {
  /* Brand */
  --akai-red: #E30613;        /* Pantone 485c equivalent */
  --akai-red-deep: #B30410;
  --akai-red-soft: rgba(227,6,19,0.12);

  /* Accents (remote-control palette — sparingly) */
  --akai-green: #42A55B;
  --akai-yellow: #F2B03F;
  --akai-purple: #A192FF;

  /* Light canvas (Samsung-style) — "ink" tokens repurposed to light surfaces */
  --ink-0: #FFFFFF;
  --ink-1: #FFFFFF;     /* page background */
  --ink-2: #F5F5F7;     /* cards / surfaces */
  --ink-3: #EEEEF1;
  --ink-4: #E7E7EC;
  --ink-5: #DCDCE2;
  --ink-6: #C9C9D1;
  --line: rgba(0,0,0,0.10);
  --line-strong: rgba(0,0,0,0.18);

  /* Foreground (dark text on light) */
  --fg-0: #000000;
  --fg-1: #141414;
  --fg-2: rgba(0,0,0,0.62);
  --fg-3: rgba(0,0,0,0.45);
  --fg-4: rgba(0,0,0,0.28);

  /* Light panel (for product photo stages) */
  --paper: #F5F5F7;
  --paper-2: #ECECEF;

  /* Type — Inter (close to SamsungOne) */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--ink-1); color-scheme: light; }
body {
  font-family: var(--font-sans);
  font-weight: 400;
  background: var(--ink-1);
  color: var(--fg-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }

/* Selection */
::selection { background: var(--akai-red); color: #fff; }

/* Scrollbar — subtle dark */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-2); }
::-webkit-scrollbar-thumb { background: var(--ink-5); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-6); }

/* Layout helpers */
.wrap { width: 100%; max-width: 1440px; margin-inline: auto; padding-inline: 32px; }
@media (max-width: 720px) { .wrap { padding-inline: 20px; } }

/* Type ramp */
.h-display {
  font-size: clamp(48px, 8vw, 128px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.92;
}
.h1 {
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}
.h2 {
  font-size: clamp(28px, 3.4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.h3 {
  font-size: clamp(20px, 1.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.body-l { font-size: 18px; line-height: 1.5; color: var(--fg-2); }
.body { font-size: 15px; line-height: 1.55; color: var(--fg-2); }
.mono { font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace; letter-spacing: 0.02em; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  font-weight: 700; font-size: 15px; letter-spacing: 0.01em;
  border-radius: 999px;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--akai-red); color: #fff; }
.btn-primary:hover { background: #ff1f2e; }
.btn-ghost { background: transparent; color: var(--fg-0); border-color: var(--line-strong); }
.btn-ghost:hover { background: rgba(0,0,0,0.05); border-color: rgba(0,0,0,0.28); }
.btn-light { background: var(--fg-0); color: var(--ink-1); }
.btn-light:hover { background: #e6e6e6; }
.btn-sm { padding: 10px 16px; font-size: 13px; }
.btn-lg { padding: 18px 28px; font-size: 16px; }

/* Pill / chip */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--fg-2);
  background: rgba(0,0,0,0.03);
}
.chip-red { background: var(--akai-red); color: #fff; border-color: transparent; }
.chip-green { background: rgba(66,165,91,.16); color: #6FCD86; border-color: rgba(66,165,91,.28); }
.chip-yellow { background: rgba(242,176,63,.14); color: #F2B03F; border-color: rgba(242,176,63,.28); }
.chip-purple { background: rgba(161,146,255,.14); color: #B6A8FF; border-color: rgba(161,146,255,.28); }

/* Section */
section { position: relative; }
.section-pad { padding-block: clamp(64px, 9vw, 140px); }
.section-pad-sm { padding-block: clamp(48px, 6vw, 96px); }

/* Decorative red sun (japanese) */
.red-sun {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ff2c3a 0%, var(--akai-red) 45%, #8a0410 100%);
  filter: blur(0px);
  pointer-events: none;
}

/* Kanji decoration */
.kanji-bg {
  position: absolute;
  font-family: "Noto Serif JP", serif;
  font-weight: 900;
  color: rgba(0,0,0,0.028);
  user-select: none;
  pointer-events: none;
  line-height: 0.85;
}

/* Card surfaces */
.card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}
.card-paper {
  background: var(--paper);
  color: var(--ink-1);
  border: none;
}

/* Image stage for product photos (warm warm bg) */
.tv-stage {
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.tv-stage::after {
  /* faint vignette */
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.06) 100%);
  pointer-events: none;
}

/* Marquee / scroll-snap row */
.snap-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-block: 6px;
  scrollbar-width: thin;
}
.snap-row > * { scroll-snap-align: start; flex: 0 0 auto; }

/* Divider with red mark */
.div-mark {
  display: flex; align-items: center; gap: 16px;
  color: var(--fg-3);
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
}
.div-mark::before,
.div-mark::after {
  content: ""; flex: 1; height: 1px;
  background: var(--line);
}
.div-mark .dot { width: 8px; height: 8px; background: var(--akai-red); border-radius: 50%; }

/* Sticky shadow utility */
.sticky-shadow {
  box-shadow: 0 1px 0 var(--line), 0 12px 30px -20px rgba(0,0,0,.7);
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
.in { animation: fadeUp .6s var(--ease-out) both; }

/* Focus */
:focus-visible { outline: 2px solid var(--akai-red); outline-offset: 3px; border-radius: 6px; }

/* No-image placeholder */
.tv-skeleton {
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), transparent 30%),
    var(--ink-3);
  aspect-ratio: 16/10;
  border-radius: 12px;
  border: 1px solid var(--line);
}