/* PulseMetrics - Premium Light Theme (TikTok Marketing & Analytics API) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  
  --border-color: #e2e8f0;
  --border-glow: rgba(99, 102, 241, 0.2);

  --accent-cyan: #0284c7;
  --accent-blue: #4f46e5;
  --accent-purple: #7c3aed;
  --accent-pink: #ec4899;
  --accent-green: #059669;
  --accent-yellow: #d97706;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #0284c7 50%, #059669 100%);
  --gradient-text: linear-gradient(135deg, #1e1b4b 0%, #4f46e5 60%, #0284c7 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(79, 70, 229, 0.2), rgba(2, 132, 199, 0.2));

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -8px rgba(15, 23, 42, 0.06);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Glowing Mesh Orbs */
.bg-glow-1 {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(2, 132, 199, 0.08) 50%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow-2 {
  position: absolute;
  top: 1000px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, rgba(99, 102, 241, 0.06) 50%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font-heading);
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  fill: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(79, 70, 229, 0.45);
}

.btn-outline {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  background: rgba(79, 70, 229, 0.04);
  color: var(--accent-blue);
}

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  text-align: center;
}

.badge-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 50px;
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.2);
  margin-bottom: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
  100% { opacity: 1; transform: scale(1); }
}

.hero-title {
  font-size: 3.8rem;
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  color: #0f172a;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
  padding: 28px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.stat-item h3 {
  font-size: 2rem;
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Glass & Clean Card */
.glass-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(79, 70, 229, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Interactive Dashboard Section */
.preview-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  color: var(--accent-blue);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--text-main);
}

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

/* Dashboard Mockup Component (Clean Light Canvas) */
.dashboard-mockup {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.dashboard-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #f8fafc;
  border-bottom: 1px solid var(--border-color);
}

.window-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.dashboard-tabs {
  display: flex;
  gap: 8px;
  background: #e2e8f0;
  padding: 4px;
  border-radius: 10px;
}

.tab-btn {
  padding: 8px 18px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: #ffffff;
  color: var(--accent-blue);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.dashboard-body {
  padding: 32px;
  background: #ffffff;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.metric-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all 0.2s ease;
}

.metric-card:hover {
  background: #ffffff;
  border-color: rgba(79, 70, 229, 0.2);
  box-shadow: var(--shadow-sm);
}

.metric-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-bottom: 6px;
  color: var(--text-main);
}

.metric-change {
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.metric-change.positive { color: var(--accent-green); }
.metric-change.negative { color: var(--accent-pink); }

.chart-container {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.mock-chart-visual {
  height: 180px;
  display: flex;
  align-items: flex-end;
  gap: 16px;
  padding-top: 20px;
}

.chart-bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  width: 100%;
  max-width: 40px;
  background: var(--gradient-primary);
  border-radius: 6px 6px 0 0;
  transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0.9;
}

.chart-bar-wrapper:hover .chart-bar {
  opacity: 1;
  filter: brightness(1.1);
}

.chart-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 600;
}

/* Features Grid */
.features-section {
  padding: 80px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.features-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.features-row-bottom {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.feature-card {
  position: relative;
  overflow: hidden;
  background: #f8fafc;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-blue);
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.feature-scopes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scope-tag {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: monospace;
  color: var(--accent-blue);
  font-weight: 600;
}

/* API Compliance & Security Section */
.compliance-section {
  padding: 80px 0;
}

.compliance-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  margin-top: 36px;
}

.compliance-item {
  display: flex;
  gap: 16px;
}

.compliance-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
}

.compliance-item h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.compliance-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Footer Section */
.footer {
  background: #f1f5f9;
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 320px;
  font-size: 0.9rem;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Modals (Light Premium Theme) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  max-width: 760px;
  width: 90%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.4rem;
  color: var(--text-main);
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.close-btn:hover {
  color: var(--text-main);
  background: var(--bg-primary);
}

.modal-body {
  padding: 28px;
  overflow-y: auto;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.modal-body h4 {
  color: var(--text-main);
  margin: 20px 0 8px;
}

.modal-body p {
  margin-bottom: 12px;
}

.modal-body ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .features-row-top { grid-template-columns: repeat(2, 1fr); }
  .features-row-bottom { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-title { font-size: 2.2rem; }
  .hero-stats { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; }
  .features-row-top { grid-template-columns: 1fr; }
  .features-row-bottom { grid-template-columns: 1fr; }
  .compliance-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .dashboard-tabs { overflow-x: auto; flex-wrap: nowrap; justify-content: flex-start; }
}