/* =============================================
   Appointment Monitor — Landing Page Styles
   Great Thinking Lab
   ============================================= */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent: #8b5cf6;
  --success: #22c55e;
  --bg: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-dark: #0f172a;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.logo-icon { display: flex; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-cta { flex-shrink: 0; }
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  padding: 4px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(99,102,241,.3);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(99,102,241,.35);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: rgba(99,102,241,.04);
}
.btn-white {
  background: #fff;
  color: var(--primary-dark);
}
.btn-white:hover {
  background: #f1f5f9;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99,102,241,.1) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 10%, rgba(139,92,246,.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(99,102,241,.08);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  color: var(--bg-dark);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 12px; margin-bottom: 40px; }
.hero-proof { display: flex; flex-direction: column; gap: 10px; }
.hero-proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ---- HERO MOCKUP ---- */
.hero-visual {
  display: flex;
  justify-content: center;
}
.hero-mockup {
  width: 100%;
  max-width: 420px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}
.mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
}
.mockup-dots {
  display: flex;
  gap: 6px;
}
.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.mockup-dots span:first-child { background: #f87171; }
.mockup-dots span:nth-child(2) { background: #fbbf24; }
.mockup-dots span:nth-child(3) { background: #34d399; }
.mockup-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}
.mockup-body { padding: 20px; }
.mockup-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.mockup-status--active {
  background: rgba(34,197,94,.08);
  color: #16a34a;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,.4); }
  50% { opacity: .8; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}
.mockup-checks {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.mockup-check {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.check-num {
  color: var(--text-light);
  font-weight: 500;
  width: 40px;
}
.check-label {
  flex: 1;
  color: var(--text-muted);
}
.check-time {
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
}
.mockup-check--found {
  background: rgba(34,197,94,.06);
  border: 1px solid rgba(34,197,94,.2);
}
.mockup-check--found .check-label {
  color: #16a34a;
  font-weight: 700;
}
.mockup-alert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(34,197,94,.06);
  border: 1px solid rgba(34,197,94,.15);
  border-radius: var(--radius-sm);
}
.mockup-alert strong {
  display: block;
  color: #16a34a;
  font-size: 0.85rem;
}
.mockup-alert span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 80px 0;
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.problem-card {
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg);
}
.problem-card--solution {
  background: rgba(34,197,94,.02);
  border-color: rgba(34,197,94,.15);
}
.problem-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.problem-icon--red {
  background: rgba(239,68,68,.08);
  color: #ef4444;
}
.problem-icon--green {
  background: rgba(34,197,94,.08);
  color: #22c55e;
}
.problem-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.problem-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- SECTION HEADER ---- */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}
.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--bg-dark);
}
.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---- FEATURES ---- */
.features {
  padding: 100px 0;
  background: var(--bg-subtle);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(99,102,241,.08);
  color: var(--primary);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ---- HOW IT WORKS ---- */
.how-it-works {
  padding: 100px 0;
}
.steps {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 48px;
  bottom: 48px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--accent));
  border-radius: 2px;
}
.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 0;
  position: relative;
}
.step-num {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.step-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  padding-top: 4px;
}
.step-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- PORTALS ---- */
.portals {
  padding: 100px 0;
  background: var(--bg-subtle);
}
.portal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.portal-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  position: relative;
}
.portal-card--active {
  border-color: rgba(34,197,94,.3);
  box-shadow: 0 0 0 1px rgba(34,197,94,.1);
}
.portal-badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 100px;
  background: rgba(34,197,94,.1);
  color: #16a34a;
  margin-bottom: 16px;
}
.portal-badge--soon {
  background: rgba(251,191,36,.1);
  color: #d97706;
}
.portal-badge--custom {
  background: rgba(99,102,241,.08);
  color: var(--primary);
}
.portal-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.portal-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ---- PRICING ---- */
.pricing {
  padding: 100px 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.pricing-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg);
  position: relative;
}
.pricing-card--featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-xl);
  transform: scale(1.03);
}
.pricing-popular {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.pricing-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--bg-dark);
  letter-spacing: -0.03em;
}
.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}
.pricing-period {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 28px;
}
.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
}

/* ---- FAQ ---- */
.faq {
  padding: 100px 0;
  background: var(--bg-subtle);
}
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  gap: 16px;
}
.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--text-light);
}
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- CTA ---- */
.cta {
  padding: 80px 0;
}
.cta-inner {
  text-align: center;
  padding: 72px 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
}
.cta-inner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.cta-inner p {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 32px;
}

/* ---- FOOTER ---- */
.footer {
  background: var(--bg-dark);
  color: #cbd5e1;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 0.88rem;
  color: #94a3b8;
  line-height: 1.6;
}
.footer-links-group h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  margin-bottom: 16px;
}
.footer-links-group a {
  display: block;
  font-size: 0.88rem;
  color: #cbd5e1;
  text-decoration: none;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-links-group a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: #64748b;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.6rem; }
  .hero-inner { gap: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card--featured { transform: none; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { 
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .mobile-menu-btn { display: block; }

  .hero { padding: 120px 0 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 1.05rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-visual { order: -1; }
  .hero-mockup { max-width: 360px; }

  .problem-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.8rem; }

  .features-grid { grid-template-columns: 1fr; }
  .portal-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-card--featured { transform: none; }

  .steps::before { left: 23px; }
  .step-num { width: 48px; height: 48px; font-size: 1rem; }

  .cta-inner { padding: 48px 24px; }
  .cta-inner h2 { font-size: 1.8rem; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.85rem; }
  .container { padding: 0 16px; }
  .feature-card, .problem-card, .portal-card, .pricing-card { padding: 24px; }
}