/* ==========================================================================
   SCREENSENSEI - MAIN STYLESHEET
   Description: Premium Vanilla CSS Design System for ScreenSensei Digital Influence Platform
   Author: ScreenSensei Team
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand Primary Colors */
  --primary-50: #F0F9FF;
  --primary-100: #E0F2FE;
  --primary-200: #BAE6FD;
  --primary-300: #7DD3FC;
  --primary-400: #38BDF8;
  --primary-500: #0EA5E9; /* Main Tech Cyan */
  --primary-600: #0284C7;
  --primary-700: #0369A1;

  /* Accent & Secondary Colors */
  --accent-indigo: #6366F1;
  --accent-purple: #8B5CF6;
  --accent-deep: #4F46E5;
  --success-emerald: #10B981;
  --warning-amber: #F59E0B;
  --danger-rose: #F43F5E;

  /* Neutral & Dark Palette */
  --slate-950: #0B0F19;
  --slate-900: #0F172A; /* Midnight Dark */
  --slate-850: #172033;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50: #F8FAFC;
  --white: #FFFFFF;

  /* Background Tokens */
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-dark-glass: rgba(15, 23, 42, 0.85);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */
  --text-6xl: 3.75rem;   /* 60px */

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Layout & Containers */
  --container-max: 1280px;
  --header-height: 80px;
  --announcement-height: 40px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --shadow-glow: 0 0 25px rgba(14, 165, 233, 0.3);
  --shadow-indigo-glow: 0 0 30px rgba(99, 102, 241, 0.35);

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Indexes */
  --z-negative: -1;
  --z-normal: 1;
  --z-sticky: 100;
  --z-dropdown: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* --------------------------------------------------------------------------
   2. MODERN RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  color: var(--slate-800);
  background-color: var(--bg-body);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

img, svg, picture, video {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 3px solid var(--primary-500);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--slate-900);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  z-index: var(--z-toast);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Container Utility */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY & BUTTONS
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--slate-900);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  text-align: center;
}

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

.section-header {
  text-align: center;
  max-width: 840px;
  margin: 0 auto var(--space-10) auto;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid var(--primary-300);
  color: var(--primary-700);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 auto var(--space-4) auto;
  text-align: center;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--slate-900);
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--slate-700);
  max-width: 760px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-10);
  line-height: 1.65;
  font-weight: 450;
}

.text-gradient {
  background: linear-gradient(135deg, #0284C7 0%, #4F46E5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-base);
  min-height: 44px; /* Touch target */
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-deep) 100%);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--slate-800);
  border: 1px solid var(--slate-300);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--slate-100);
  border-color: var(--slate-400);
  color: var(--slate-900);
  transform: translateY(-1px);
}

.btn-dark {
  background: var(--slate-900);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--slate-850);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   4. ANNOUNCEMENT BAR
   -------------------------------------------------------------------------- */
.announcement-bar {
  background: linear-gradient(90deg, var(--slate-900) 0%, var(--accent-deep) 50%, var(--primary-600) 100%);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 0.5rem var(--space-4);
  position: relative;
  z-index: var(--z-fixed);
  transition: max-height var(--transition-normal), opacity var(--transition-normal), padding var(--transition-normal);
  overflow: hidden;
}

.announcement-bar.dismissed {
  display: none !important;
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
}

.announcement-tag {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.announcement-close {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.8);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.announcement-close:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.15);
}

/* --------------------------------------------------------------------------
   5. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: var(--z-sticky);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: 48px;
}

.logo-svg {
  height: 42px;
  width: auto;
}

/* Desktop Nav */
.desktop-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
  }
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--slate-700);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-600);
  background-color: var(--primary-50);
}

.chevron-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.nav-item.open .chevron-icon {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 320px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.75rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-item.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(4px);
}

.dropdown-link {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.dropdown-link:hover {
  background: var(--slate-100);
}

.dropdown-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--slate-900);
}

.dropdown-desc {
  font-size: var(--text-xs);
  color: var(--slate-500);
  margin-top: 0.15rem;
}

/* Header Actions */
.header-actions {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 1024px) {
  .header-actions {
    display: flex;
  }
}

.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
  color: var(--slate-800);
}

@media (min-width: 1024px) {
  .hamburger-btn {
    display: none;
  }
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger-btn.active .line-1 {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.active .line-2 {
  opacity: 0;
}

.hamburger-btn.active .line-3 {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Menu */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: var(--white);
  padding: 1.5rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-nav-drawer.active {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--slate-800);
  border-radius: var(--radius-md);
  background: var(--slate-50);
}

.mobile-submenu {
  display: none;
  padding-left: 1rem;
  margin-top: 0.5rem;
}

.mobile-submenu.active {
  display: block;
}

.mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--slate-200);
}

/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: clamp(3rem, 6vw, 6rem);
  padding-bottom: clamp(4rem, 8vw, 8rem);
  overflow: hidden;
  background: radial-gradient(100% 100% at 50% 0%, rgba(14, 165, 233, 0.08) 0%, rgba(99, 102, 241, 0.03) 50%, var(--bg-body) 100%);
}

.hero-glow-1 {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, rgba(99, 102, 241, 0.1) 40%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: var(--z-negative);
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto var(--space-12) auto;
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  color: var(--slate-600);
  line-height: 1.6;
  max-width: 760px;
  margin: 0 auto var(--space-8) auto;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: var(--space-4);
}

.hero-note {
  font-size: var(--text-xs);
  color: var(--slate-500);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Supported Platforms Strip */
.platform-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--slate-200);
}

.platform-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.platform-icons {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.platform-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--slate-600);
  background: var(--white);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
}

/* Hero Showcase Mockup */
.hero-mockup-wrapper {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  perspective: 1000px;
}

.dashboard-mockup-card {
  background: var(--slate-900);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-2xl), var(--shadow-indigo-glow);
  overflow: hidden;
  color: var(--white);
}

.mockup-header {
  height: 44px;
  background: var(--slate-950);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.mockup-search-bar {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.2rem 1rem;
  font-size: var(--text-xs);
  color: var(--slate-400);
  width: 40%;
  text-align: center;
}

.mockup-body {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  min-height: 460px;
}

@media (max-width: 768px) {
  .mockup-body {
    grid-template-columns: 1fr;
  }
  .mockup-sidebar {
    display: none;
  }
}

.mockup-sidebar {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--slate-400);
}

.mockup-nav-item.active {
  background: var(--primary-500);
  color: var(--white);
}

.mockup-main {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mockup-top-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.metric-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.metric-val {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--white);
  margin-top: 0.25rem;
}

.metric-title {
  font-size: var(--text-xs);
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Floating Risk Cards */
.floating-risk-card {
  position: absolute;
  background: var(--white);
  color: var(--slate-900);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  z-index: 10;
  animation: float 6s ease-in-out infinite alternate;
}

.card-top-left {
  top: 15%;
  left: -40px;
}

.card-bottom-right {
  bottom: 12%;
  right: -40px;
}

@media (max-width: 1150px) {
  .floating-risk-card {
    display: none;
  }
}

@keyframes float {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}

/* --------------------------------------------------------------------------
   7. TRUST STRIP
   -------------------------------------------------------------------------- */
.trust-section {
  padding: var(--space-8) 0;
  background: var(--white);
  border-y: 1px solid var(--slate-200);
  text-align: center;
}

.trust-title {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--slate-400);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0.7;
}

.trust-logo-item {
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--slate-600);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   8. STATISTICS SECTION
   -------------------------------------------------------------------------- */
.stats-section {
  padding: clamp(3rem, 6vw, 6rem) 0;
  background: linear-gradient(135deg, var(--slate-900) 0%, var(--slate-950) 100%);
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
}

.stat-number {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--primary-400);
  margin-bottom: 0.25rem;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--slate-400);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   9. BENEFITS SECTION
   -------------------------------------------------------------------------- */
.benefits-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--bg-body);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-400);
}

.benefit-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6) auto;
}

.benefit-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: #0F172A;
  margin-bottom: var(--space-3);
  text-align: center;
}

.benefit-desc {
  font-size: var(--text-base);
  color: #334155;
  line-height: 1.65;
  margin-bottom: var(--space-6);
  flex-grow: 1;
  text-align: center;
}

.benefit-visual-widget {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 1rem;
}

/* --------------------------------------------------------------------------
   10. INTERACTIVE FEATURES SECTION
   -------------------------------------------------------------------------- */
.features-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--white);
}

.features-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .features-layout {
    grid-template-columns: 360px 1fr;
  }
}

.features-tabs-list {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
}

@media (min-width: 1024px) {
  .features-tabs-list {
    flex-direction: column;
    overflow-x: visible;
  }
}

.feature-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--slate-600);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  text-align: left;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.feature-tab-btn:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

.feature-tab-btn.active {
  background: var(--slate-900);
  color: var(--white);
  border-color: var(--slate-900);
  box-shadow: var(--shadow-md);
}

.feature-preview-display {
  background: var(--slate-900);
  border-radius: var(--radius-xl);
  padding: 2rem;
  color: var(--white);
  min-height: 480px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.preview-content-box {
  display: none;
}

.preview-content-box.active {
  display: block;
  animation: fadeIn 0.35s ease-in-out;
}

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

/* --------------------------------------------------------------------------
   11. MEDIA INTELLIGENCE SECTION
   -------------------------------------------------------------------------- */
.intelligence-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: linear-gradient(180deg, var(--bg-body) 0%, var(--white) 100%);
}

.intelligence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .intelligence-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.rating-meters-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-md);
}

.rating-meter-item {
  margin-bottom: 1.25rem;
}

.meter-header {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.meter-bar-bg {
  height: 8px;
  background: var(--slate-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.meter-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s ease-out;
}

/* Graph Visualization */
.recommendation-map-box {
  background: var(--slate-950);
  border-radius: var(--radius-xl);
  padding: 2rem;
  color: var(--white);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.graph-nodes-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.graph-node {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-safe { border-left: 4px solid var(--success-emerald); }
.node-warn { border-left: 4px solid var(--warning-amber); }
.node-risk { border-left: 4px solid var(--danger-rose); }

/* --------------------------------------------------------------------------
   12. FAMILY CONCERNS SECTION
   -------------------------------------------------------------------------- */
.concerns-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--slate-900);
  color: var(--white);
}

.concerns-section .section-title {
  color: #FFFFFF;
  text-align: center;
}

.concerns-section .section-subtitle {
  color: #E2E8F0;
  text-align: center;
}

.concerns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.concern-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.concern-card:hover, .concern-card.selected {
  background: rgba(14, 165, 233, 0.2);
  border-color: #38BDF8;
  transform: translateY(-3px);
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.25);
}

.concern-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem auto;
  color: #38BDF8;
}

.concern-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: #FFFFFF;
}

.concern-detail-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--primary-500);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-top: 2rem;
  display: none;
}

.concern-detail-box.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* --------------------------------------------------------------------------
   13. HOW IT WORKS SECTION
   -------------------------------------------------------------------------- */
.how-it-works-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--white);
}

.timeline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
}

@media (min-width: 768px) {
  .timeline-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: relative;
  text-align: center;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary-500);
  color: var(--white);
  font-weight: 800;
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4) auto;
}

/* --------------------------------------------------------------------------
   14. PRODUCT DASHBOARD PREVIEW GALLERY
   -------------------------------------------------------------------------- */
.dashboard-gallery-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--bg-body);
}

.gallery-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: var(--space-8);
}

.gallery-tab-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--slate-600);
  background: var(--white);
  border: 1px solid var(--slate-200);
  transition: all var(--transition-fast);
}

.gallery-tab-btn.active {
  background: var(--primary-500);
  color: var(--white);
  border-color: var(--primary-500);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.gallery-viewport {
  background: var(--slate-900);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem;
  color: var(--white);
  min-height: 500px;
}

.gallery-slide {
  display: none;
}

.gallery-slide.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* --------------------------------------------------------------------------
   15. TESTIMONIALS & PLATFORMS
   -------------------------------------------------------------------------- */
.testimonials-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.platforms-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--bg-body);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
}

.platform-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.platform-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-300);
}

/* --------------------------------------------------------------------------
   16. PRICING SECTION
   -------------------------------------------------------------------------- */
.pricing-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--white);
}

.pricing-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: var(--space-12);
}

.toggle-switch {
  position: relative;
  width: 56px;
  height: 30px;
  background: var(--slate-300);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.toggle-switch.active {
  background: var(--primary-500);
}

.toggle-dot {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle-switch.active .toggle-dot {
  transform: translateX(26px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: stretch;
}

@media (min-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-2xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.recommended {
  background: var(--slate-900);
  color: var(--white);
  border-color: var(--primary-500);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transform: scale(1.03);
}

@media (max-width: 1023px) {
  .pricing-card.recommended {
    transform: none;
  }
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-indigo) 100%);
  color: var(--white);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price-amount {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  margin: 1.5rem 0 0.5rem 0;
}

/* --------------------------------------------------------------------------
   17. FAQ SECTION
   -------------------------------------------------------------------------- */
.faq-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--bg-body);
}

.faq-accordion {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--slate-900);
}

.faq-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-fast);
  color: var(--slate-500);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--primary-500);
}

.faq-panel {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--slate-600);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-panel {
  display: block;
}

/* --------------------------------------------------------------------------
   18. FINAL CTA & FOOTER
   -------------------------------------------------------------------------- */
.final-cta-section {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--white);
}

.cta-box {
  background: linear-gradient(135deg, var(--slate-900) 0%, var(--slate-950) 100%);
  border-radius: var(--radius-2xl);
  padding: clamp(2.5rem, 6vw, 5rem);
  text-align: center;
  color: var(--white);
  box-shadow: var(--shadow-2xl);
  position: relative;
  overflow: hidden;
}

.signup-form-inline {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 500px;
  margin: 2rem auto 1rem auto;
}

@media (min-width: 640px) {
  .signup-form-inline {
    flex-direction: row;
  }
}

.signup-input {
  flex-grow: 1;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.footer {
  background: var(--slate-950);
  color: var(--slate-400);
  padding-top: clamp(4rem, 6vw, 6rem);
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(4, 1fr);
  }
}

.footer-col-title {
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: var(--text-sm);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--text-xs);
}

/* Cookie Banner & Back To Top */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  max-width: 420px;
  background: var(--slate-900);
  color: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: var(--z-modal);
  transform: translateY(150%);
  transition: transform var(--transition-normal);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--primary-500);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-fixed);
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}