/* ===== EFFECTS LAYER =====
   Understated premium dark-theme effects.
   One accent color. No gradients. No animation gimmicks.
   ================================================= */

/* ---------- 1. Accent Text ---------- */
.accent-text {
  color: var(--accent-blue, #4f8fff);
}

/* ---------- 2. Glassmorphism Cards ---------- */
.glass-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    border-color 0.4s,
    box-shadow 0.4s;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25);
}

/* ---------- 3. Background Patterns ---------- */
.bg-dots {
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.04) 1px,
    transparent 1px
  );
  background-size: 24px 24px;
}

.bg-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ---------- 4. Stat Numbers ---------- */
.stat-number {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  white-space: nowrap;
}

.stat-label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--w2, #8a8a82);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

/* ---------- 5. Stagger Animation ---------- */
.stagger > * {
  transition-delay: calc(var(--i, 0) * 0.1s);
}

/* ---------- 6. Entry Page ---------- */
.entry-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.entry-name {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.entry-slogan {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  margin-bottom: 4rem;
  line-height: 1.5;
}

.entry-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 700px;
  width: 100%;
  gap: 2.5rem;
}

.entry-card {
  padding: 3rem 2.5rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition:
    transform 0.3s,
    border-color 0.3s,
    box-shadow 0.3s;
}

.entry-card:hover {
  transform: translateY(-2px);
}

.entry-card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.entry-card p {
  font-size: 0.9rem;
  color: var(--w2, #8a8a82);
  line-height: 1.6;
}

.entry-card-icon {
  width: 32px;
  height: 3px;
  border-radius: 2px;
  margin-bottom: 1.5rem;
  background: var(--accent-blue);
}

.entry-card-arrow {
  display: inline-block;
  color: var(--w3, #555550);
  transition:
    transform 0.3s,
    color 0.3s;
}

.entry-card:hover .entry-card-arrow {
  transform: translateX(4px);
  color: var(--w, #f5f5f0);
}

/* ---------- 7. Enterprise Hero ---------- */
.ent-hero-h {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* ---------- 8. Stat Card ---------- */
.stat-card {
  text-align: center;
  padding: 3rem;
}

/* ---------- 9. Service Icon ---------- */
.service-icon {
  width: 32px;
  height: 3px;
  border-radius: 2px;
  margin-bottom: 1.5rem;
  background: var(--accent-blue);
}

/* ---------- 10. Steps with Connecting Line ---------- */
.steps-visual {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  position: relative;
  padding: 2rem 0;
}

.steps-visual::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 0;
}

.step-v {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-v-num {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-blue, #4f8fff);
  margin-bottom: 1rem;
}

.step-v h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-v p {
  color: var(--w2, #8a8a82);
  font-size: 0.88rem;
  line-height: 1.8;
}

/* ---------- 11. LINE Chat Demo ---------- */
.line-chat {
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
}

.line-msg {
  max-width: 80%;
  padding: 0.7rem 1rem;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.7;
}

.line-msg--user {
  align-self: flex-end;
  background: var(--accent-blue);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.line-msg--ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.08);
  color: var(--w2);
  border-bottom-left-radius: 4px;
}

/* ---------- 12. Responsive (768px) ---------- */
@media (max-width: 768px) {
  .entry-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .steps-visual {
    grid-template-columns: 1fr;
  }

  .steps-visual::before {
    display: none;
  }
}

/* ---------- 12. Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .glass-card {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .entry-card:hover {
    transform: none;
  }

  .entry-card-arrow {
    transition: none;
  }
}