/* ========================================
   Hole Mail - Top Page Styles
======================================== */

.top-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.top-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.top-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Hero */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  width: 100%;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  z-index: 10;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.status-dot-sm {
  width: 6px;
  height: 6px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Void Visual */
.hero-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 400px;
}

.void-circle {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.void-inner {
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  border-radius: 50%;
  animation: voidPulse 4s ease-in-out infinite;
}

.void-ring {
  position: absolute;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  animation: ringExpand 4s ease-out infinite;
}

.void-ring-1 {
  width: 120px;
  height: 120px;
  animation-delay: 0s;
}

.void-ring-2 {
  width: 180px;
  height: 180px;
  animation-delay: 1s;
}

.void-ring-3 {
  width: 260px;
  height: 260px;
  animation-delay: 2s;
}

@keyframes voidPulse {
  0%, 100% { 
    transform: scale(1);
    opacity: 0.8;
  }
  50% { 
    transform: scale(1.1);
    opacity: 1;
  }
}

@keyframes ringExpand {
  0% { 
    transform: scale(0.8);
    opacity: 0;
  }
  50% {
    opacity: 0.5;
  }
  100% { 
    transform: scale(1.2);
    opacity: 0;
  }
}

/* Info Section */
.info-section {
  padding: 6rem 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.info-card {
  padding: 2rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-normal);
}

.info-card:hover {
  border-color: var(--color-accent);
}

.info-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.info-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.info-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Footer */
.top-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
}

.top-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Main Content Area */
.top-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    max-width: 300px;
    margin-top: 2rem;
  }

  .void-circle {
    width: 250px;
    height: 250px;
  }
}

@media (max-width: 768px) {
  .info-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .top-footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-visual {
    display: none;
  }
}