/*
 * Digital Innovation Group @ UCF - Main Design System
 * Modern Minimal Theme: Black, White & Neon Red
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Primary Colors - Neon Red */
  --color-primary: #FF2D55;
  --color-primary-dim: #E0264A;
  --color-primary-glow: rgba(255, 45, 85, 0.4);

  /* Secondary Colors - Clean White */
  --color-secondary: #FFFFFF;
  --color-secondary-dim: #F5F5F5;
  --color-secondary-glow: rgba(255, 255, 255, 0.3);

  /* Accent Colors - Subtle Gray */
  --color-accent: #888888;
  --color-accent-dim: #666666;
  --color-accent-glow: rgba(136, 136, 136, 0.3);

  /* Success/Warning/Error */
  --color-success: #34C759;
  --color-warning: #FF9500;
  --color-error: #FF3B30;

  /* Background - Dark Mode */
  --bg-dark: #000000;
  --bg-dark-secondary: #0A0A0A;
  --bg-surface: #111111;
  --bg-surface-elevated: #1A1A1A;
  --bg-gradient: linear-gradient(180deg, #000000 0%, #0A0A0A 100%);
  --bg-gradient-radial: radial-gradient(ellipse at center, #111111 0%, #000000 70%);

  /* Glass Effect */
  --glass-bg: rgba(17, 17, 17, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 20px;

  /* Text Colors */
  --text-primary: #FFFFFF;
  --text-secondary: #999999;
  --text-muted: #666666;

  /* Typography - Clean Modern Fonts */
  --font-display: 'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;

  /* 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: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* 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;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.7);
  --shadow-glow-primary: 0 0 20px var(--color-primary-glow);
  --shadow-glow-secondary: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow-accent: 0 4px 20px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index Layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
  --z-tooltip: 500;
}

/* ============================================
   Base Reset & Typography
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-gradient);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Clean modern look - no overlay effects */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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(--text-secondary);
}

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

a:hover {
  color: var(--color-primary);
  opacity: 0.8;
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm {
  max-width: 960px;
}

.container-lg {
  max-width: 1440px;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* Flexbox */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

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

/* Grid */
.grid {
  display: grid;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .md\:grid-cols-1 {
    grid-template-columns: 1fr;
  }

  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .md\:flex-col {
    flex-direction: column;
  }

  h1 {
    font-size: var(--text-4xl);
  }

  h2 {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 640px) {
  .sm\:grid-cols-1 {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: var(--text-3xl);
  }

  h2 {
    font-size: var(--text-2xl);
  }
}

/* Text Utilities */
.text-center {
  text-align: center;
}

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

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

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

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

.text-muted {
  color: var(--text-muted);
}

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

.text-magenta {
  color: var(--color-secondary);
}

.text-violet {
  color: var(--color-accent);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) 0;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-base);
}

.navbar.scrolled {
  padding: var(--space-2) 0;
  background: rgba(10, 10, 18, 0.95);
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.navbar-logo-img {
  height: 32px;
  width: auto;
}

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

.navbar-links a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: var(--transition-base);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}

.navbar-links a:hover {
  color: var(--text-primary);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
}

@media (max-width: 768px) {
  .navbar-toggle {
    display: flex;
  }

  .navbar-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
  }

  .navbar-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 40px;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-slow);
}

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

.btn-primary {
  background: linear-gradient(135deg, #FF2D55 0%, #8B0000 40%, #1a0000 50%, #8B0000 60%, #FF2D55 100%);
  color: white;
  box-shadow: var(--shadow-glow-primary), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  transition: var(--transition-spring), filter 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  filter: brightness(1.2) saturate(1.1);
  box-shadow: 0 4px 20px var(--color-primary-glow), 0 0 40px var(--color-primary-glow), 0 0 80px rgba(255, 45, 85, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.99);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dim));
  color: var(--text-primary);
  box-shadow: var(--shadow-glow-secondary);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--color-secondary-glow), 0 0 60px var(--color-secondary-glow);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--bg-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-lg {
  padding: 16px 56px;
  font-size: var(--text-base);
}

.btn-sm {
  padding: 8px 28px;
  font-size: var(--text-xs);
}

.btn-nav {
  padding: 12px 64px;
  font-size: var(--text-sm);
}

.navbar .btn {
  padding-left: 24px;
  padding-right: 24px;
  letter-spacing: 0.06em;
}

.navbar .btn.btn-sm {
  padding-left: 24px;
  padding-right: 24px;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  opacity: 0;
  transition: var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.card:hover::before {
  opacity: 1;
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

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

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* Event Card Link */
.event-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.event-card-link .card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.event-card-link:hover .card {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Feature Card */
.feature-card {
  text-align: center;
  padding: var(--space-8);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  background: linear-gradient(135deg, rgba(180, 30, 30, 0.6) 0%, rgba(60, 10, 10, 0.8) 50%, rgba(140, 40, 40, 0.5) 100%);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  box-shadow: inset 0 1px 2px rgba(255, 100, 100, 0.2), 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Pricing Card */
.pricing-card {
  text-align: center;
  padding: var(--space-10);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow-primary);
}

.pricing-card.featured::before {
  opacity: 1;
}

.pricing-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--bg-dark);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.pricing-price span {
  font-size: var(--text-lg);
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin: var(--space-6) 0;
  text-align: left;
}

.pricing-features li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: bold;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: var(--space-20) var(--space-6);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-gradient-radial);
  z-index: -2;
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.08) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: perspective(500px) rotateX(60deg) translateY(0);
  }

  100% {
    transform: perspective(500px) rotateX(60deg) translateY(50px);
  }
}

.hero-content {
  max-width: 900px;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: var(--text-6xl);
  margin-bottom: var(--space-6);
  line-height: 1.2;
  color: var(--text-primary);
}

.hero-title-line {
  display: block;
  padding-bottom: 0.15em;
}

.hero-word {
  display: inline-block;
  color: var(--text-primary);
  margin-right: 0.1em;
}

.hero-word-accent {
  color: var(--color-primary);
  text-shadow: 0 0 40px rgba(255, 45, 85, 0.4);
}

.hero-word-glow {
  color: var(--text-primary);
}

.hero-word-muted {
  color: var(--text-muted);
  margin: 0 0.05em;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-10);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.footer-logo-img {
  height: 28px;
  width: auto;
}

.footer-links h4 {
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

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

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

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

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--glass-border);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--bg-dark);
  border-color: var(--color-primary);
}

/* ============================================
   Loading States
   ============================================ */
.skeleton {
  background: linear-gradient(90deg,
      var(--bg-surface) 25%,
      var(--bg-surface-elevated) 50%,
      var(--bg-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.opacity-0 {
  opacity: 0;
}

.opacity-100 {
  opacity: 1;
}

.pointer-events-none {
  pointer-events: none;
}

.overflow-hidden {
  overflow: hidden;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

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

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

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

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

.pt-20 {
  padding-top: 10rem;
}

.w-full {
  width: 100%;
}

/* Glow effect on text */
.glow-text {
  text-shadow: 0 0 10px currentColor, 0 0 20px currentColor, 0 0 30px currentColor;
}