/**
 * Public Landing Page & Web Call Stylesheet
 * Bright Future Academy
 */

:root {
  --landing-bg: #070a12;
  --landing-bg-secondary: #0b1120;
  --landing-card-bg: rgba(15, 23, 42, 0.75);
  --landing-card-border: rgba(255, 255, 255, 0.08);
  --landing-card-hover-border: rgba(99, 102, 241, 0.4);
  --primary-glow: rgba(99, 102, 241, 0.35);
  --cyan-glow: rgba(6, 182, 212, 0.35);
  --voice-wave-color: #6366f1;
}

body.landing-page {
  background-color: var(--landing-bg);
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 25%, rgba(6, 182, 212, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

/* ─── Navbar ─────────────────────────────────────────── */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(7, 10, 18, 0.85);
  border-bottom: 1px solid var(--landing-card-border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.landing-nav-container {
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
}

.brand-shield {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 0 20px var(--primary-glow);
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.brand-text p {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-menu a:hover {
  color: #ffffff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ─── Hero Section ───────────────────────────────────── */
.landing-hero {
  max-width: 1200px;
  margin: 40px auto 60px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.2rem;
  line-height: 1.12;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 580px;
}

/* ─── Interactive Voice Receptionist Calling Hub ─────── */
.calling-hub-card {
  background: var(--landing-card-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--landing-card-border);
  border-radius: 24px;
  box-shadow: 0 24px 64px -12px rgba(0, 0, 0, 0.6), 0 0 32px -8px var(--primary-glow);
  overflow: hidden;
  position: relative;
}

.hub-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--landing-card-border);
}

.hub-tab-btn {
  flex: 1;
  padding: 14px 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.hub-tab-btn.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.03);
  border-bottom-color: var(--primary);
}

.hub-tab-content {
  padding: 28px;
}

/* ─── Voice Call Animation & Orb ─────────────────────── */
.voice-orb-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 0 16px;
}

.voice-orb {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  position: relative;
  box-shadow: 0 0 32px var(--primary-glow);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.voice-orb:hover {
  transform: scale(1.05);
  box-shadow: 0 0 44px var(--primary-glow);
}

.voice-orb.calling {
  animation: orbPulse 1.8s infinite ease-in-out;
}

.voice-orb.speaking {
  animation: orbSpeaking 1.2s infinite alternate ease-in-out;
  box-shadow: 0 0 54px var(--cyan-glow);
}

@keyframes orbPulse {
  0% { transform: scale(1); box-shadow: 0 0 20px var(--primary-glow); }
  50% { transform: scale(1.08); box-shadow: 0 0 50px var(--primary-glow), 0 0 80px rgba(6, 182, 212, 0.3); }
  100% { transform: scale(1); box-shadow: 0 0 20px var(--primary-glow); }
}

@keyframes orbSpeaking {
  0% { transform: scale(1.02); filter: brightness(1); }
  100% { transform: scale(1.12); filter: brightness(1.25); box-shadow: 0 0 60px #06b6d4; }
}

.voice-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px dashed rgba(99, 102, 241, 0.4);
  animation: rotateRing 12s linear infinite;
  pointer-events: none;
}

@keyframes rotateRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.call-status-text {
  margin-top: 18px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.call-timer {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.live-transcript-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 18px;
  max-height: 140px;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.transcript-pill {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

.transcript-pill.aria {
  background: rgba(99, 102, 241, 0.15);
  border-left: 3px solid var(--primary);
  color: #e0e7ff;
}

.transcript-pill.user {
  background: rgba(6, 182, 212, 0.15);
  border-left: 3px solid var(--secondary);
  color: #cffafe;
}

.call-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

/* ─── Question Chips ─────────────────────────────────── */
.questions-section {
  max-width: 1200px;
  margin: 40px auto 70px;
  padding: 0 20px;
}

.section-header {
  text-align: center;
  margin-bottom: 36px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 10px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
}

.chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.question-chip {
  background: var(--landing-card-bg);
  border: 1px solid var(--landing-card-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.question-chip:hover {
  border-color: var(--landing-card-hover-border);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.4);
}

.question-chip-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.question-chip-text {
  font-size: 0.885rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
}

.question-chip-category {
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: capitalize;
}

/* ─── Highlights Section ─────────────────────────────── */
.highlights-grid {
  max-width: 1200px;
  margin: 0 auto 70px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.highlight-card {
  background: var(--landing-card-bg);
  border: 1px solid var(--landing-card-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-fast);
}

.highlight-card:hover {
  border-color: var(--landing-card-hover-border);
  transform: translateY(-3px);
}

.highlight-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 16px 0 8px;
}

.highlight-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
}

/* ─── Responsive Rules ───────────────────────────────── */
@media (max-width: 960px) {
  .landing-hero {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-subtitle {
    margin: 0 auto 28px;
  }
  .nav-menu {
    display: none;
  }
}