/* ==========================================================================
   PAPER MANAGER - DESIGN SYSTEM (ELECTRIC BLUE + LIGHT/DARK THEMES)
   Universal Hamburger Menu, Vertical Logo Stacking & SEO Optimized System
   ========================================================================== */

@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 {
  /* Paper Manager Blue Palette */
  --clr-blue-50: #eff6ff;
  --clr-blue-100: #dbeafe;
  --clr-blue-300: #93c5fd;
  --clr-blue-400: #60a5fa;
  --clr-blue-500: #3b82f6;
  --clr-blue-600: #2563eb;
  --clr-blue-700: #1d4ed8;
  --clr-blue-cyan: #38bdf8;
  --clr-blue-neon: #0099ff;
  --clr-blue-neon-glow: rgba(59, 130, 246, 0.4);

  /* Dark Theme Navy & Obsidian Base (Default) */
  --clr-dark-bg: #0b0f19;
  --clr-dark-card: rgba(15, 23, 42, 0.75);
  --clr-dark-card-hover: rgba(30, 41, 59, 0.88);
  --clr-dark-border: rgba(59, 130, 246, 0.22);
  --clr-dark-border-hover: rgba(96, 165, 250, 0.5);
  --clr-drawer-bg: rgba(11, 15, 25, 0.96);
  
  /* Text System */
  --clr-text-main: #f8fafc;
  --clr-text-muted: #94a3b8;
  --clr-text-light: #64748b;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* UI Details */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows & Glows */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.25);
  --shadow-glow-strong: 0 0 40px rgba(56, 189, 248, 0.4);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-mode {
  --clr-dark-bg: #f8fafc;
  --clr-dark-card: rgba(255, 255, 255, 0.85);
  --clr-dark-card-hover: rgba(255, 255, 255, 0.98);
  --clr-dark-border: rgba(37, 99, 235, 0.18);
  --clr-dark-border-hover: rgba(37, 99, 235, 0.45);
  --clr-drawer-bg: rgba(255, 255, 255, 0.96);
  
  --clr-text-main: #0f172a;
  --clr-text-muted: #475569;
  --clr-text-light: #64748b;

  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.15);
  --shadow-glow-strong: 0 0 35px rgba(37, 99, 235, 0.3);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 85px;
}

body {
  font-family: var(--font-body);
  background-color: var(--clr-dark-bg);
  color: var(--clr-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.12), transparent 35%),
    radial-gradient(circle at 90% 60%, rgba(56, 189, 248, 0.08), transparent 35%),
    radial-gradient(circle at 50% 90%, rgba(29, 78, 216, 0.07), transparent 40%);
  background-attachment: fixed;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.light-mode {
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.06), transparent 35%),
    radial-gradient(circle at 90% 60%, rgba(56, 189, 248, 0.06), transparent 35%),
    radial-gradient(circle at 50% 90%, rgba(29, 78, 216, 0.04), transparent 40%);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--clr-text-main);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  letter-spacing: -0.015em;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  margin-bottom: 0.5rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

/* Glassmorphism Utility */
.glass {
  background: var(--clr-dark-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--clr-dark-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-normal);
}

.glass:hover {
  border-color: var(--clr-dark-border-hover);
}

/* Text & Accent Utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--clr-text-main) 10%, var(--clr-blue-400) 50%, var(--clr-blue-cyan) 95%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

body.light-mode .text-gradient {
  background: linear-gradient(135deg, #0f172a 10%, #1d4ed8 60%, #0284c7 95%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subheading {
  color: var(--clr-blue-500);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 4px 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-full);
}

.section-sub {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 720px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.6;
}

/* Layout Containers & Section Alignment */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Vertically Centered & Well-Spaced Sections */
.section {
  padding: 5rem 0;
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.section-header {
  text-align: center;
  width: 100%;
  margin-bottom: 2.5rem;
}

/* Header & Navbar System */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-dark-border);
  padding: 0.7rem 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

body.light-mode .navbar.scrolled {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(37, 99, 235, 0.15);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

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

/* Stacked Logo: Icon Left, "Paper" Top, "Manager" Bottom */
.logo-papermanager {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-papermanager img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.4));
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-transform: uppercase;
}

.logo-paper {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--clr-text-main);
}

.logo-manager {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--clr-blue-500);
}

/* Header Controls Right */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Toggle Button (Light/Dark) */
.theme-toggle-btn {
  background: var(--clr-dark-card);
  border: 1px solid var(--clr-dark-border);
  color: var(--clr-blue-400);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-soft);
}

.theme-toggle-btn:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--clr-blue-400);
  transform: rotate(15deg) scale(1.05);
}

/* Universal Hamburger Menu Toggle Button (For Desktop and Mobile) */
.menu-toggle-btn {
  background: var(--clr-dark-card);
  border: 1px solid var(--clr-dark-border);
  color: var(--clr-text-main);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-soft);
}

.menu-toggle-btn:hover {
  border-color: var(--clr-blue-400);
  background: rgba(59, 130, 246, 0.15);
  color: var(--clr-blue-400);
  transform: translateY(-2px);
}

.menu-toggle-btn i {
  font-size: 1.3rem;
  color: var(--clr-blue-400);
}

/* Drawer Menu (Sliding Overlay) */
.menu-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.menu-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.menu-drawer {
  position: fixed;
  top: 0;
  right: -360px;
  width: 340px;
  height: 100vh;
  background: var(--clr-drawer-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--clr-dark-border);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1600;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  overflow-y: auto;
}

.menu-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--clr-dark-border);
}

.drawer-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--clr-dark-border);
  color: var(--clr-text-main);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.drawer-close-btn:hover {
  background: var(--clr-blue-600);
  color: #fff;
  border-color: var(--clr-blue-400);
}

.drawer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 1.5rem 0;
}

.drawer-nav-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  transition: var(--transition-fast);
}

.drawer-nav-link i {
  font-size: 1.2rem;
  color: var(--clr-blue-400);
  transition: var(--transition-fast);
}

.drawer-nav-link:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--clr-blue-400);
}

.drawer-nav-link:hover i {
  transform: translateX(3px);
}

.drawer-footer {
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-dark-border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-blue-600) 0%, var(--clr-blue-700) 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
  background: linear-gradient(135deg, var(--clr-blue-400) 0%, var(--clr-blue-600) 100%);
  color: #ffffff;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--clr-text-main);
  border: 1px solid var(--clr-dark-border);
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--clr-blue-400);
  color: var(--clr-blue-400);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 80px);
  padding: 6rem 0 3rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-logo-img {
  width: 75px;
  height: auto;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.5));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--clr-blue-500);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-badge i {
  font-size: 1rem;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--clr-text-muted);
  max-width: 750px;
  margin: 0 auto 2rem auto;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.tags span {
  background: var(--clr-dark-card);
  border: 1px solid var(--clr-dark-border);
  color: var(--clr-text-main);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-normal);
}

.tags span:hover {
  border-color: var(--clr-blue-400);
  transform: translateY(-2px);
  color: var(--clr-blue-400);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.tags span i {
  color: var(--clr-blue-500);
}

/* Dashboard Mockup Container */
.dashboard-preview {
  margin-top: 3rem;
  width: 100%;
  max-width: 1050px;
  position: relative;
}

.dashboard-preview-inner {
  padding: 8px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.35) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow), 0 20px 50px rgba(0,0,0,0.5);
}

.dashboard-preview img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

/* Grid Layouts */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  width: 100%;
  align-items: center;
}

/* Cards Design System */
.card-glass {
  background: var(--clr-dark-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--clr-dark-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.card-glass:hover {
  transform: translateY(-6px);
  border-color: var(--clr-dark-border-hover);
  box-shadow: 0 12px 30px rgba(0,0,0,0.15), var(--shadow-glow);
  background: var(--clr-dark-card-hover);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--clr-blue-500);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: var(--transition-normal);
}

.card-glass:hover .card-icon {
  background: var(--clr-blue-600);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
  transform: scale(1.08);
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--clr-blue-500);
  background: rgba(59, 130, 246, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

/* Highlights Grid */
.product-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  margin-top: 2.5rem;
}

.highlight-box {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--clr-dark-card);
  border: 1px solid var(--clr-dark-border);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.highlight-box:hover {
  border-color: var(--clr-blue-400);
  transform: translateY(-4px);
}

.highlight-box h4 {
  font-size: 1rem;
  color: var(--clr-text-main);
  margin-bottom: 0.2rem;
}

.highlight-box p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin: 0;
}

/* Workflow Step Timeline */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
  position: relative;
}

.step-card {
  background: var(--clr-dark-card);
  border: 1px solid var(--clr-dark-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-8px);
  border-color: var(--clr-blue-400);
  box-shadow: var(--shadow-glow);
}

.step-number {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.12);
  border: 2px solid var(--clr-blue-400);
  color: var(--clr-blue-500);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step-card:hover .step-number {
  background: var(--clr-blue-600);
  color: #ffffff;
  box-shadow: var(--shadow-glow-strong);
}

.step-icon {
  font-size: 2rem;
  color: var(--clr-blue-cyan);
  margin-bottom: 0.75rem;
}

.step-items {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1rem;
}

.step-items span {
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  color: var(--clr-text-muted);
}

/* Stats Metric Cards */
.stats-banner {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(11, 15, 25, 0.85) 100%);
  border: 1px solid var(--clr-dark-border-hover);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: 100%;
  margin-bottom: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--clr-blue-cyan);
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-text-main);
  margin-bottom: 0.25rem;
}

.stat-sub {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

/* AI Feature Section */
.ai-card-content {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem;
}

.ai-card-content .card-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

.ai-preview-img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-dark-border);
  box-shadow: var(--shadow-soft);
}

/* MoReq Certification Box */
.moreq-box {
  background: var(--clr-dark-card);
  border: 1px solid var(--clr-dark-border-hover);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2.5rem;
  align-items: center;
  width: 100%;
}

.moreq-badge-icon {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.1);
  border: 2px solid var(--clr-blue-400);
  color: var(--clr-blue-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  box-shadow: var(--shadow-glow);
  margin: 0 auto;
}

.moreq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.moreq-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.moreq-item i {
  color: var(--clr-blue-500);
  font-size: 1.25rem;
  margin-top: 2px;
}

/* Video Tutorial Cards & Modal */
.video-card {
  cursor: pointer;
}

.video-thumb-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--clr-dark-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  overflow: hidden;
  transition: var(--transition-normal);
}

.video-thumb-wrapper i {
  font-size: 3rem;
  color: var(--clr-blue-500);
  z-index: 2;
  transition: var(--transition-normal);
}

.video-card:hover .video-thumb-wrapper {
  border-color: var(--clr-blue-400);
  background: rgba(59, 130, 246, 0.15);
}

.video-card:hover .video-thumb-wrapper i {
  transform: scale(1.2);
  color: var(--clr-blue-cyan);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  width: 90%;
  max-width: 900px;
  background: #000;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-dark-border);
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.8);
  aspect-ratio: 16 / 9;
}

.modal-box video {
  width: 100%;
  height: 100%;
  display: block;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 20px;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
  background: rgba(0,0,0,0.6);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--clr-blue-600);
  color: #ffffff;
}

/* CTA Demo Section */
.cta-box {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(11, 15, 25, 0.98) 100%);
  border: 1px solid var(--clr-dark-border-hover);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  width: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18), transparent 70%);
  pointer-events: none;
}

.cta-benefits {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.cta-benefit-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 8px 18px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  color: var(--clr-text-main);
}

.cta-benefit-pill i {
  color: var(--clr-blue-500);
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  width: 100%;
}

.contact-card {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--clr-dark-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.contact-card i {
  font-size: 1.4rem;
  color: var(--clr-blue-500);
}

/* Footer Paper Manager Brand */
footer {
  background: #070a12;
  border-top: 1px solid var(--clr-dark-border);
  padding: 4rem 0 2rem 0;
  margin-top: 4rem;
}

body.light-mode footer {
  background: #f1f5f9;
  border-top: 1px solid rgba(37, 99, 235, 0.15);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-title {
  font-size: 1rem;
  color: var(--clr-text-main);
  margin-bottom: 1.25rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--clr-blue-500);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--clr-text-light);
  flex-wrap: wrap;
  gap: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  font-size: 1.1rem;
}

.social-links a:hover {
  background: var(--clr-blue-600);
  color: #ffffff;
  border-color: var(--clr-blue-400);
}

/* Animations & Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .grid-4, .workflow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-highlights {
    grid-template-columns: repeat(2, 1fr);
  }
  .moreq-box {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .moreq-grid {
    text-align: left;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .menu-toggle-btn span {
    display: none;
  }
  .menu-toggle-btn {
    padding: 8px 12px;
  }
  .grid-3, .grid-4, .grid-2, .product-highlights, .workflow-steps, .stats-banner, .moreq-grid, .contact-info-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 3.5rem 0;
  }
}