/* Import Outfit and Inter fonts from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Design Tokens */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Premium HSL Color Palette */
  --bg-darkest: hsl(222, 47%, 4%);
  --bg-darker: hsl(222, 47%, 7%);
  --bg-card: hsla(222, 47%, 11%, 0.7);
  --bg-card-hover: hsla(222, 47%, 16%, 0.8);
  
  --color-text-primary: hsl(210, 40%, 98%);
  --color-text-secondary: hsl(215, 20%, 65%);
  --color-text-muted: hsl(215, 16%, 47%);

  /* Tech Accents */
  --color-whatsapp: hsl(142, 70%, 45%);
  --color-whatsapp-glow: hsla(142, 70%, 45%, 0.35);
  --color-accent-purple: hsl(263, 80%, 60%);
  --color-accent-blue: hsl(217, 91%, 60%);
  --color-border: hsla(217, 30%, 20%, 0.6);
  --color-border-hover: hsla(217, 30%, 35%, 0.8);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-whatsapp) 0%, var(--color-accent-blue) 100%);
  --gradient-text: linear-gradient(135deg, hsl(0, 0%, 100%) 30%, var(--color-whatsapp) 100%);
  --gradient-glow: linear-gradient(135deg, var(--color-whatsapp-glow) 0%, hsla(217, 91%, 60%, 0.15) 100%);

  /* Animation & Shadow Tokens */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  --border-radius: 16px;
}

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

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-darkest);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darkest);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: hsla(222, 47%, 4%, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 0 15px var(--color-whatsapp-glow);
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}

.logo-subtext {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  display: block;
  font-weight: 400;
  margin-top: -2px;
  letter-spacing: 0.5px;
}

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

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

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

.nav-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  border-color: var(--color-whatsapp);
  background: hsla(142, 70%, 45%, 0.1);
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.15);
}

/* Buttons */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 14px 28px;
  border-radius: 30px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  box-shadow: 0 8px 20px -6px var(--color-whatsapp-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px var(--color-whatsapp-glow);
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 14px 28px;
  border-radius: 30px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--color-border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 100px 0 80px 0;
  position: relative;
  background: radial-gradient(circle at 50% 20%, hsla(142, 70%, 45%, 0.08) 0%, transparent 60%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: hsla(142, 70%, 45%, 0.1);
  border: 1px solid hsla(142, 70%, 45%, 0.25);
  color: var(--color-whatsapp);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

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

.hero-description {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 650px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.section-tag {
  color: var(--color-whatsapp);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--color-border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-premium);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: hsla(142, 70%, 45%, 0.1);
  color: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Simulated Dashboard Demo */
.demo-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-border);
  background: radial-gradient(circle at 80% 50%, hsla(217, 91%, 60%, 0.05) 0%, transparent 50%);
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 992px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.8rem;
  }
}

.demo-dashboard {
  background: #0b111e;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}

.dashboard-header {
  background: #111a2e;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
}

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

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.window-dots span:nth-child(1) { background: #ff5f56; }
.window-dots span:nth-child(2) { background: #ffbd2e; }
.window-dots span:nth-child(3) { background: #27c93f; }

.dashboard-title {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

.dashboard-body {
  padding: 24px;
}

.webhook-simulator {
  font-family: monospace;
  background: #070a12;
  border-radius: 8px;
  padding: 16px;
  font-size: 0.85rem;
  color: #a0aec0;
  margin-top: 16px;
  overflow-y: auto;
  max-height: 160px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.webhook-line {
  margin-bottom: 6px;
  border-left: 2px solid var(--color-whatsapp);
  padding-left: 8px;
}

.webhook-line.system {
  border-left-color: var(--color-accent-blue);
}

.webhook-timestamp {
  color: var(--color-text-muted);
  margin-right: 8px;
}

.webhook-event {
  color: var(--color-whatsapp);
}

.webhook-data {
  color: var(--color-text-primary);
}

/* Legal Pages Styling */
.legal-container {
  padding: 60px 0 100px 0;
  max-width: 800px;
  margin: 0 auto;
}

.legal-header {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 24px;
}

.legal-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.legal-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin: 32px 0 16px 0;
  color: var(--color-text-primary);
}

.legal-content p, .legal-content li {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

.legal-company-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
}

.legal-company-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--color-whatsapp);
}

.legal-company-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  font-size: 0.95rem;
}

.legal-company-label {
  font-weight: 600;
  color: var(--color-text-primary);
}

.legal-company-val {
  color: var(--color-text-secondary);
}

/* Footer Section */
footer {
  margin-top: auto;
  background-color: var(--bg-darker);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .logo-text {
    font-size: 1.1rem;
  }
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

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

.footer-company-details {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Embedded Signup Mock Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  background: #181d26;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  padding: 32px;
  box-shadow: var(--shadow-premium);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
}

.fb-login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #1877f2;
  margin-bottom: 24px;
}

.fb-login-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.fb-login-body {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.fb-step-list {
  margin: 16px 0;
  list-style: none;
}

.fb-step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.fb-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #1877f2;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.btn-fb-blue {
  background: #1877f2;
  color: white;
  border: none;
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-fb-blue:hover {
  background: #166fe5;
}

.text-center {
  text-align: center;
}