/* ==========================================
   ScamTok - Security-Focused Design System
   ========================================== */

/* CSS Variables - Security-Focused Palette */
:root {
  /* Primary Colors - Deep Blues for Security & Trust */
  --color-primary: #0B1A3E;
  --color-primary-light: #152A5E;
  --color-primary-dark: #050D1F;
  
  /* Accent Colors - Electric Blue for Energy */
  --color-accent: #00D9FF;
  --color-accent-light: #33E1FF;
  --color-accent-dark: #00A8CC;
  --color-accent-glow: rgba(0, 217, 255, 0.3);
  
  /* Status Colors */
  --color-success: #00FF88;
  --color-warning: #FFB800;
  --color-danger: #FF3366;
  --color-info: #6B8CFF;
  
  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-gray-100: #F8F9FA;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #CED4DA;
  --color-gray-500: #ADB5BD;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px var(--color-accent-glow);
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-tooltip: 1070;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */

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

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

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-gray-100);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==========================================
   Typography
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-300);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent-light);
}

/* ==========================================
   Layout Components
   ========================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

/* ==========================================
   Header & Navigation
   ========================================== */

.header {
  background: rgba(11, 26, 62, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-heading);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-info) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  align-items: center;
}

.nav-link {
  color: var(--color-gray-200);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after {
  width: 80%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: var(--space-2);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 73px;
    flex-direction: column;
    background: rgba(11, 26, 62, 0.98);
    width: 100%;
    text-align: center;
    transition: left var(--transition-slow);
    padding: var(--space-8) 0;
    gap: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-menu.active {
    left: 0;
  }
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-family: var(--font-primary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-info) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-slow);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* ==========================================
   Cards
   ========================================== */

.card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-accent);
}

.card-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-info) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  color: var(--color-white);
}

.card-text {
  color: var(--color-gray-300);
  line-height: 1.7;
}

/* ==========================================
   Grid System
   ========================================== */

.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
  padding: var(--space-24) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-300);
  margin-bottom: var(--space-8);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================
   Forms
   ========================================== */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 600;
  color: var(--color-gray-200);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
  background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-500);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================
   Modal
   ========================================== */

.modal {
  display: none;
  position: fixed;
  z-index: var(--z-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  animation: fadeIn var(--transition-base);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  padding: var(--space-8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: slideUp var(--transition-slow);
  box-shadow: var(--shadow-xl);
}

@keyframes slideUp {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--color-gray-400);
  font-size: var(--text-3xl);
  cursor: pointer;
  transition: color var(--transition-base);
  line-height: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--color-accent);
}

.modal-title {
  margin-bottom: var(--space-6);
  color: var(--color-white);
}

/* ==========================================
   Footer
   ========================================== */

.footer {
  background: rgba(5, 13, 31, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section h4 {
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
}

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

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--color-gray-400);
  transition: color var(--transition-base);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-gray-500);
}

/* ==========================================
   Utility Classes
   ========================================== */

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

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.gradient-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-info) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* ==========================================
   Breadcrumb
   ========================================== */

.breadcrumb {
  display: flex;
  list-style: none;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.breadcrumb-item {
  color: var(--color-gray-400);
  font-size: var(--text-sm);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-2);
  color: var(--color-gray-600);
}

.breadcrumb-item a {
  color: var(--color-gray-400);
}

.breadcrumb-item a:hover {
  color: var(--color-accent);
}

.breadcrumb-item.active {
  color: var(--color-accent);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 1024px) {
  :root {
    --text-5xl: 2.5rem;
    --text-6xl: 3rem;
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .hero {
    padding: var(--space-16) 0;
  }
}

@media (max-width: 768px) {
  :root {
    --text-4xl: 2rem;
    --text-5xl: 2.25rem;
  }
  
  .container {
    padding: 0 var(--space-4);
  }
  
  .card {
    padding: var(--space-6);
  }
  
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
}

/* ==========================================
   Animations
   ========================================== */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Success Message */
.success-message {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
  text-align: center;
  font-weight: 600;
}

/* Author Profile Card */
.author-card {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-8);
}

.author-avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--color-accent);
}

.author-info h3 {
  margin-bottom: var(--space-2);
  color: var(--color-white);
}

.author-role {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.author-social {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-300);
  transition: color var(--transition-base);
}

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

@media (max-width: 768px) {
  .author-card {
    flex-direction: column;
    text-align: center;
  }
  
  .author-social {
    justify-content: center;
  }
}