/* ============================================
   Nebulaxhub Bento Grid — Index
   ============================================ */

/* ---- Hero ---- */
.hero {
  padding: 170px 0 80px;
  position: relative;
  background: radial-gradient(
    ellipse 60% 50% at 50% -10%,
    rgba(0, 113, 227, 0.08),
    transparent
  );
}

.hero-content {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--card);
  box-shadow: var(--shadow);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  color: var(--secondary);
  font-size: 1.18rem;
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Bento Features ---- */
.bento-section {
  padding: 80px 0 100px;
}

.features-header {
  text-align: center;
  margin-bottom: 48px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(200px, auto);
  gap: 18px;
}

.bento-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.b-ai {
  grid-column: span 2;
  background: linear-gradient(145deg, #ffffff 60%, rgba(0, 113, 227, 0.06));
}

.b-reply {
  background: linear-gradient(145deg, #ffffff 60%, rgba(52, 199, 89, 0.07));
}

.b-inbox {
  grid-row: span 2;
  background: linear-gradient(180deg, #ffffff 55%, rgba(0, 113, 227, 0.07));
}

.b-stats {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
  justify-content: space-around;
  gap: 12px;
  padding: 24px;
}

.b-oauth {
  background: linear-gradient(145deg, #ffffff 60%, rgba(255, 149, 0, 0.06));
}

.b-e2e {
  grid-column: span 2;
}

.b-quote {
  grid-column: span 2;
  background: var(--ink);
  color: #f5f5f7;
  justify-content: center;
}

.bento-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  margin-bottom: 20px;
}

.bento-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.bento-card h3 {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.bento-card p {
  color: var(--secondary);
  font-size: 0.96rem;
}

.bento-inbox-visual {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  gap: 8px;
}

.bento-inbox-visual span {
  flex: 1;
  height: 10px;
  border-radius: 999px;
  background: rgba(0, 113, 227, 0.15);
  animation: tilePulse 3s ease-in-out infinite;
}

.bento-inbox-visual span:nth-child(2) {
  animation-delay: 0.4s;
  background: rgba(52, 199, 89, 0.2);
}

.bento-inbox-visual span:nth-child(3) {
  animation-delay: 0.8s;
  background: rgba(255, 149, 0, 0.18);
}

@keyframes tilePulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scaleX(1);
  }
  50% {
    opacity: 1;
    transform: scaleX(1.06);
  }
}

.bento-stat {
  text-align: center;
}

.bento-stat-value {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1.15;
}

.bento-stat-label {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
}

.bento-quote-text {
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.bento-quote-author {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ---- Use Cases ---- */
.use-cases {
  padding: 100px 0;
}

.use-cases-header {
  text-align: center;
  margin-bottom: 48px;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.use-case-card {
  padding: 32px;
}

.use-case-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.use-case-avatar {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg);
}

.use-case-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.use-case-info h4 {
  font-size: 1.05rem;
}

.use-case-info p {
  font-size: 0.86rem;
  color: var(--muted);
}

.use-case-quote {
  font-size: 0.98rem;
  color: var(--secondary);
  padding-left: 16px;
  border-left: 3px solid var(--accent);
  border-radius: 2px;
}

/* ---- CTA ---- */
.cta {
  padding: 90px 0 110px;
}

.cta-card {
  padding: 76px 48px;
  text-align: center;
}

.cta-dark {
  background: var(--ink);
  color: #f5f5f7;
}

.cta-dark h2 {
  color: #ffffff;
}

.cta-card h2 {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: 18px;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.64);
  margin-bottom: 36px;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .b-ai,
  .b-stats,
  .b-e2e,
  .b-quote {
    grid-column: span 2;
  }

  .b-inbox {
    grid-row: span 1;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 140px 0 60px;
  }

  .bento-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .b-ai,
  .b-stats,
  .b-e2e,
  .b-quote {
    grid-column: span 1;
  }

  .b-stats {
    flex-direction: column;
    gap: 20px;
  }

  .cta-card {
    padding: 48px 24px;
  }
}