/*
 * Modern, enterprise-grade stylesheet for the CloudApper AI Browser Extension marketing page.
 * Self-contained, responsive, zero-dependency.
 */

:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #f0f9ff;
  --primary-border: #bae6fd;
  --ink: #0f172a;
  --text: #334155;
  --text-muted: #64748b;
  --text-faint: #94a3b8;
  --bg: #ffffff;
  --bg-subtle: #f8fafc;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --hero-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.07), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

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

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

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand-logo {
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  position: relative;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-link:hover {
  color: var(--ink);
}

/* Scrollspy state — set by script.js when the link's section is in view. */
.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  transform: scaleX(1);
}

@media (prefers-reduced-motion: reduce) {
  .nav-link::after {
    transition: none;
  }
}

.nav-btn {
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s ease;
}

.nav-btn:hover,
.nav-btn.active {
  background: var(--primary-hover);
}

.nav-btn.active {
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.18);
}

/* Hero Section */
.hero {
  padding: 72px 24px 48px;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(2, 132, 199, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(2, 132, 199, 0); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 36px;
}

/* SSO pre-configured notice (shown by script.js from the marker) */
.sso-notice {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.sso-notice strong {
  font-weight: 700;
}

.sso-notice svg {
  flex-shrink: 0;
}

/* Store Buttons Grid */
.store-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 580px;
}

@keyframes store-rise {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  background: #ffffff;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.15s ease;
  min-width: 160px;
  justify-content: center;
  /* `backwards` (not `both`) so the finished animation releases the
     transform and hover transitions keep working. */
  animation: store-rise 0.5s cubic-bezier(0.22, 1, 0.36, 1) backwards;
  animation-delay: calc(var(--i, 0) * 80ms);
}

.store-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.store-btn:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
}

.store-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
}

.store-btn-icon img {
  display: block;
  width: 22px;
  height: 22px;
  object-fit: contain;
}

/* Featured store (the visitor's current browser) — a CTA card with a
   recommendation badge, gradient border and arrow affordance on its own
   row, with the other browsers' buttons demoted to a quieter row below. */
.store-grid.has-featured {
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.store-grid-others {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.store-grid-others .store-btn {
  min-width: 0;
  padding: 11px 18px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.store-btn--featured {
  position: relative;
  padding: 18px 24px;
  font-size: 1.05rem;
  gap: 14px;
  min-width: 290px;
  margin-top: 12px;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
    linear-gradient(135deg, var(--primary), #38bdf8) border-box;
  box-shadow:
    0 0 0 4px rgba(2, 132, 199, 0.07),
    0 12px 28px -10px rgba(2, 132, 199, 0.35);
}

.store-btn--featured:hover {
  border-color: transparent;
  background:
    linear-gradient(var(--primary-light), var(--primary-light)) padding-box,
    linear-gradient(135deg, var(--primary), #38bdf8) border-box;
  transform: translateY(-3px);
  box-shadow:
    0 0 0 5px rgba(2, 132, 199, 0.09),
    0 18px 36px -12px rgba(2, 132, 199, 0.45);
}

.store-btn--featured .store-btn-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-radius: 12px;
  flex-shrink: 0;
}

.store-btn--featured .store-btn-icon img {
  width: 26px;
  height: 26px;
}

.store-btn-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--primary), #38bdf8);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 9999px;
  box-shadow: 0 4px 10px -2px rgba(2, 132, 199, 0.4);
  white-space: nowrap;
}

.store-btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  text-align: left;
}

.store-btn-label {
  font-weight: 700;
  color: var(--ink);
}

.store-btn-sub {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.store-btn-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.store-btn--featured:hover .store-btn-arrow,
.store-btn--featured:focus-visible .store-btn-arrow {
  transform: translateX(3px);
  background: var(--primary);
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  .store-btn,
  .store-btn-arrow {
    animation: none;
    transition: none;
  }
}

.store-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-top: 10px;
}

/* Trust Strip */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  width: 100%;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
}

.trust-item svg {
  color: var(--primary);
}

/* Browser Mockup Section */
.preview-section {
  max-width: 1060px;
  margin: 0 auto 80px;
  padding: 0 24px;
}

.browser-mockup {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--hero-shadow);
  overflow: hidden;
}

.browser-header {
  background: #f1f5f9;
  border-bottom: 1px solid var(--border);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.browser-dots span:nth-child(1) { background: #f87171; }
.browser-dots span:nth-child(2) { background: #fbbf24; }
.browser-dots span:nth-child(3) { background: #34d399; }

.browser-address {
  flex: 1;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.browser-ext-icon {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--primary-border);
  border-radius: 6px;
  padding: 4px;
}

.browser-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  min-height: 440px;
  background: #f8fafc;
}

/* Wireframe Host Application */
.host-app-wireframe {
  padding: 24px;
  border-right: 1px solid var(--border);
}

.wire-topbar {
  height: 28px;
  background: #e2e8f0;
  border-radius: 6px;
  margin-bottom: 20px;
}

.wire-columns {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
}

.wire-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wire-line {
  height: 12px;
  background: #e2e8f0;
  border-radius: 4px;
}

.wire-line.short { width: 60%; }
.wire-line.medium { width: 85%; }
.wire-line.wide { width: 40%; height: 16px; margin-bottom: 8px; }
.wire-line.full { width: 90%; }

.wire-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wire-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
}

.wire-table {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wire-row {
  height: 24px;
  background: #f1f5f9;
  border-radius: 4px;
}

/* Extension Panel Mockup */
.extension-panel-mockup {
  background: #ffffff;
  display: flex;
  flex-direction: column;
}

.panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
}

.panel-status-pill {
  font-size: 0.72rem;
  font-weight: 600;
  background: #dcfce7;
  color: #166534;
  padding: 2px 8px;
  border-radius: 9999px;
}

.panel-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-context {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.8rem;
}

.context-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  font-weight: 600;
  margin-bottom: 2px;
}

.panel-card {
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 14px;
}

.panel-card h4 {
  font-size: 0.88rem;
  color: var(--ink);
  margin-bottom: 4px;
}

.panel-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 12px;
}

.panel-card.secondary {
  background: #ffffff;
  border: 1px solid var(--border);
}

.panel-card.secondary p {
  margin-bottom: 0;
}

.panel-btn {
  width: 100%;
  padding: 8px;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

/* Sections */
.section {
  padding: 80px 24px;
  max-width: 1140px;
  margin: 0 auto;
}

.section.alt-bg {
  max-width: 100%;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.section-head p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Feature Cards Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--card-shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-border);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon.blue { background: #e0f2fe; color: #0284c7; }
.feature-icon.purple { background: #f3e8ff; color: #9333ea; }
.feature-icon.green { background: #dcfce7; color: #16a34a; }
.feature-icon.amber { background: #fef3c7; color: #d97706; }

.feature-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: 1060px;
  margin: 0 auto;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
}

.step-num {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.step-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Security Section */
.security-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: var(--hero-shadow);
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #38bdf8;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.security-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.security-content p {
  font-size: 1.05rem;
  color: #94a3b8;
  max-width: 720px;
  margin-bottom: 28px;
  line-height: 1.6;
}

.security-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.security-list li {
  font-size: 0.95rem;
  color: #cbd5e1;
  padding-left: 24px;
  position: relative;
}

.security-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #38bdf8;
  font-weight: 800;
}

.security-list strong {
  color: #ffffff;
}

/* Footer */
.page-footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 64px 24px 36px;
}

.footer-container {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
  margin: 12px 0 20px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--primary);
}

/* Responsiveness */
@media (max-width: 860px) {
  .hero-title { font-size: 2.3rem; }
  .browser-body { grid-template-columns: 1fr; }
  .extension-panel-mockup { border-top: 1px solid var(--border); }
  .footer-container { grid-template-columns: 1fr; gap: 36px; }
  .security-card { padding: 36px 24px; }
  .nav-links .nav-link { display: none; }
}