/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #0e0e12;
  color: #e8e6e3;
  line-height: 1.7;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, #1a0a0a 0%, #2d0a0a 40%, #0e0e12 100%);
  overflow: hidden;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(200,30,30,0.15), transparent 70%);
  animation: pulse 4s ease-in-out infinite alternate;
}
@keyframes pulse {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.1); }
}
.hero-content { position: relative; z-index: 2; }
.kanji {
  font-size: 6rem;
  color: rgba(200,30,30,0.25);
  font-weight: 900;
  letter-spacing: 0.3em;
  user-select: none;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero h1 {
  font-size: 5rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin-top: -0.5rem;
}
.accent { color: #c81e1e; }
.subtitle {
  font-size: 1.3rem;
  color: #aaa;
  margin-top: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.cta-btn {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 0.9rem 2.8rem;
  border: 2px solid #c81e1e;
  color: #fff;
  text-decoration: none;
  border-radius: 50px;
  font-size: 1rem;
  letter-spacing: 0.1em;
  transition: all 0.3s;
}
.cta-btn:hover {
  background: #c81e1e;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,30,30,0.4);
}
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.8rem;
  color: #555;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* === SECTIONS === */
.section { padding: 5rem 1.5rem; }
.section-dark { background: #14141a; }
.section-red {
  background: linear-gradient(135deg, #2d0a0a, #1a0505);
}
.section-quote {
  background: linear-gradient(90deg, #1a0a0a, #0e0e12);
  text-align: center;
}
.container { max-width: 900px; margin: 0 auto; }
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-align: center;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: #c81e1e;
  margin: 0.7rem auto 0;
  border-radius: 2px;
}
.section-title.light { color: #fff; }
.section-text {
  font-size: 1.1rem;
  color: #ccc;
  margin-bottom: 1.2rem;
  text-align: center;
}
.light-text { color: #bbb; }

/* === CARDS === */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(200,30,30,0.15);
}
.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; color: #fff; }
.card p { font-size: 0.95rem; color: #aaa; }

/* === BENEFITS === */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.benefit-item { text-align: center; }
.benefit-number {
  font-size: 3rem;
  font-weight: 900;
  color: #c81e1e;
  margin-bottom: 0.5rem;
}
.benefit-item h3 { font-size: 1.1rem; margin-bottom: 0.4rem; color: #fff; }
.benefit-item p { font-size: 0.9rem; color: #999; }

/* === KATA LIST === */
.kata-list { margin-top: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.kata-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(200,30,30,0.3);
  transition: background 0.3s;
}
.kata-item:hover { background: rgba(200,30,30,0.1); }
.kata-name {
  font-weight: 700;
  color: #fff;
  font-size: 1.1rem;
}
.kata-desc { color: #999; font-size: 0.9rem; }

/* === FACTS === */
.facts-list { max-width: 600px; margin: 2rem auto 0; }
.fact {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  margin-bottom: 0.8rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s, transform 0.5s;
}
.fact.visible { opacity: 1; transform: translateX(0); }
.fact-emoji { font-size: 1.5rem; flex-shrink: 0; margin-top: 0.1rem; }
.fact p { color: #ccc; font-size: 0.95rem; }

/* === QUOTE === */
blockquote {
  font-size: 1.6rem;
  font-style: italic;
  color: #ddd;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}
cite {
  display: block;
  margin-top: 1rem;
  color: #888;
  font-size: 1rem;
}

/* === BELTS === */
.belts-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}
.belt-chip {
  padding: 0.6rem 1.6rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: transform 0.3s;
  cursor: default;
}
.belt-chip:hover { transform: scale(1.08); }

/* === FOOTER === */
.footer {
  text-align: center;
  padding: 2rem;
  color: #555;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .kanji { font-size: 3.5rem; }
  .hero h1 { font-size: 3rem; }
  blockquote { font-size: 1.2rem; }
  .kata-item { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}