/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* === DESIGN TOKENS === */
:root {
  --bg:           #faf7f6;
  --bg-card:      #ffffff;
  --bg-card-h:    #f5f0ee;
  --text:         #1a1210;
  --text-muted:   #7a6560;
  --text-dim:     #c4b0aa;
  --border:       rgba(26, 18, 16, 0.08);
  --border-h:     rgba(26, 18, 16, 0.16);
  --orange:       #d4847d;
  --r-sm:         10px;
  --r-md:         16px;
  --r-lg:         22px;
  --r-xl:         28px;
  --pad:          clamp(20px, 5vw, 56px);
  --max-w:        1120px;
  --ff-display:   'Fraunces', Georgia, serif;
  --ff-body:      'Instrument Sans', system-ui, sans-serif;
  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

/* Grain texture overlay — position:fixed so it doesn't repaint on scroll */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.018;
  pointer-events: none;
  z-index: 9998;
  will-change: transform;
}

/* === NAV === */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding: 18px var(--pad);
  display: flex;
  align-items: center;
  transition: background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(250, 247, 246, 0.92);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-color: var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--ff-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
}

.nav-icon {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

/* === BRAND HERO === */
.brand-hero {
  min-height: 100svh;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 120px var(--pad) 80px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  position: relative;
}

.brand-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 45%, rgba(212, 132, 125, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.brand-hero__eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 22px;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease-out) 0.1s forwards;
}

.brand-hero__title {
  font-family: var(--ff-display);
  font-size: clamp(52px, 7.5vw, 92px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--text);
  opacity: 0;
  animation: fadeUp 0.7s var(--ease-out) 0.2s forwards;
}

.brand-hero__title em {
  font-style: italic;
  color: var(--orange);
  font-weight: 200;
}

.brand-hero__sub {
  margin-top: 28px;
  font-size: 17px;
  color: var(--text-muted);
  max-width: 380px;
  line-height: 1.65;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease-out) 0.32s forwards;
}

.brand-hero__glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.brand-hero__octopus {
  width: clamp(110px, 14vw, 190px);
  height: auto;
  animation: float 5s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(212, 132, 125, 0.25));
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%       { transform: translateY(-14px) rotate(2deg); }
}

/* === SECTIONS === */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px var(--pad);
}

.section__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

/* === FEATURED GRID === */
.featured-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  grid-template-rows: 1fr 1fr auto;
  gap: 10px;
}

/* === HERO CARDS === */

/* Per-card accent tokens — set once per modifier, consumed by shared rules below */
.hero-card--takomd  { --card-accent: #C46864; --card-rgb: 196, 104, 100; --card-glow-pos: 90% 5%;  }
.hero-card--takoji  { --card-accent: #8B82F8; --card-rgb: 120, 110, 245; --card-glow-pos: 10% 90%; }
.hero-card--weargb  { --card-accent: #4ADE80; --card-rgb: 74, 222, 128;  --card-glow-pos: 90% 90%; }
.hero-card--tronwear{ --card-accent: #22D3EE; --card-rgb: 34, 211, 238;  --card-glow-pos: 70% 50%; }

.hero-card {
  display: flex;
  flex-direction: column;
  padding: 28px 30px 30px;
  border-radius: var(--r-xl);
  border: 1px solid rgba(var(--card-rgb), 0.18);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), border-color 0.3s;
  opacity: 0;
  transform: translateY(14px);
}

.hero-card.is-visible {
  animation: fadeUp 0.55s var(--ease-out) forwards;
}

.hero-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--card-rgb), 0.35);
}

/* Accent radial glow using per-card vars */
.hero-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse at var(--card-glow-pos), rgba(var(--card-rgb), 0.07) 0%, transparent 55%);
  pointer-events: none;
}

/* Shared accent-driven element styles */
.hero-card .hero-card__platform {
  color: var(--card-accent);
  background: rgba(var(--card-rgb), 0.12);
}
.hero-card .hero-card__icon {
  background: rgba(var(--card-rgb), 0.1);
  color: var(--card-accent);
}
.hero-card .hero-card__cta {
  color: var(--card-accent);
  transition: opacity 0.2s;
}
.hero-card:hover .hero-card__cta { opacity: 0.75; }

/* Per-card backgrounds and grid placement */
.hero-card--takomd {
  background: linear-gradient(145deg, #fff8f7 0%, #fdf2f1 60%, #fef5f4 100%);
  grid-column: 1;
  grid-row: 1 / 3;
  min-height: 340px;
}

.hero-card--takoji {
  background: linear-gradient(145deg, #f8f8ff 0%, #f5f5fe 100%);
  grid-column: 2;
  grid-row: 1;
}

.hero-card--weargb {
  background: linear-gradient(145deg, #f5fdf8 0%, #f0faf3 100%);
  grid-column: 2;
  grid-row: 2;
}

.hero-card--tronwear {
  background: linear-gradient(135deg, #f3fafe 0%, #f0f8fd 100%);
  grid-column: 1 / 3;
  grid-row: 3;
  flex-direction: row;
  align-items: center;
  gap: 48px;
  padding: 28px 36px;
}

/* Decorative elements */
.hero-card__deco--md {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196,104,100,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-card__deco--gb {
  position: absolute;
  bottom: 12px; right: 16px;
  width: 60px; height: 60px;
  border: 1px solid rgba(74,222,128,0.15);
  border-radius: 8px;
  box-shadow: inset 0 0 20px rgba(74,222,128,0.06);
  pointer-events: none;
}

.hero-card__kanji {
  font-size: 1.6rem;
  font-family: 'Hiragino Sans', 'Noto Sans JP', serif;
  line-height: 1;
}

.hero-card__tron-left {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.hero-card__tron-grid {
  flex: 0 0 auto;
  width: 200px;
  height: 100px;
  background-image:
    linear-gradient(rgba(34,211,238,0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.18) 1px, transparent 1px);
  background-size: 22px 22px;
  border-radius: 8px;
  position: relative;
}

.hero-card__tron-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(243,250,254,0.8) 100%);
  border-radius: inherit;
}

/* Card shared elements */
.hero-card__platform {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  align-self: flex-start;
  margin-bottom: 18px;
}

.hero-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
  overflow: hidden;
}

.hero-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-card__name {
  font-family: var(--ff-display);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 10px;
}

.hero-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.hero-card__cta {
  display: inline-block;
  margin-top: 22px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* === APP GRID === */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 8px;
}

/* === APP CARDS === */
.app-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s, transform 0.25s var(--ease-out), border-color 0.2s;
  opacity: 0;
  transform: translateY(8px);
}

.app-card.is-visible {
  animation: fadeUp 0.45s var(--ease-out) forwards;
}

.app-card:hover {
  background: var(--bg-card-h);
  border-color: var(--border-h);
  transform: translateY(-2px);
}

.app-card--soon {
  cursor: default;
  pointer-events: none;
}

/* Set dimmed opacity after animation completes, avoiding !important vs keyframe conflict */
.app-card--soon.is-visible {
  opacity: 0.5;
  animation: fadeUpSoon 0.45s var(--ease-out) forwards;
}

@keyframes fadeUpSoon {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 0.5; transform: translateY(0); }
}

.app-card__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Fallback for browsers without color-mix() support */
  background: rgba(26, 18, 16, 0.06);
  background: color-mix(in srgb, var(--accent, #888) 14%, transparent);
  color: var(--accent, #888);
  transition: background 0.2s;
}

img.app-card__icon {
  background: none;
  object-fit: cover;
  display: block;
}

.app-card:hover .app-card__icon {
  background: rgba(26, 18, 16, 0.1);
  background: color-mix(in srgb, var(--accent, #888) 20%, transparent);
}

.app-card__info { flex: 1; min-width: 0; }

.app-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.3;
}

.app-card__desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
  line-height: 1.5;
}

.app-card__arrow {
  font-size: 15px;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: color 0.2s, transform 0.25s var(--ease-out);
}

.app-card:hover .app-card__arrow {
  color: var(--text-muted);
  transform: translateX(3px);
}

.badge-soon {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(26, 18, 16, 0.07);
  color: var(--text-dim);
}

/* === STATS ROW === */
.section--stats {
  padding-top: 16px;
  padding-bottom: 16px;
}

.stats-row {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 16px;
  gap: 6px;
  position: relative;
}

.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: var(--border);
}

.stat-item__value {
  font-family: var(--ff-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text);
}

.stat-item__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* === FOOTER === */
.footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 44px var(--pad) 60px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border);
}

.footer__icon {
  width: 22px;
  height: 22px;
  opacity: 0.35;
}

.footer__text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
}

.footer__sep { opacity: 0.4; }

.footer__contact {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.2s;
}

.footer__contact:hover { color: var(--text-muted); }

/* === ANIMATIONS === */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === RESPONSIVE === */
@media (max-width: 860px) {
  .featured-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .hero-card--takomd,
  .hero-card--takoji,
  .hero-card--weargb,
  .hero-card--tronwear {
    grid-column: 1;
    grid-row: auto;
  }
  .hero-card--tronwear {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-card__tron-grid { width: 100%; height: 60px; }
}

@media (max-width: 640px) {
  .brand-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 60px;
  }
  .brand-hero__glyph { display: none; }
  .app-grid { grid-template-columns: 1fr; }
}