/**
* Evoo - Premium Tech-forward Design System
* Based on: Dark theme with Indigo/Cyan accent colors
* Design Principles: Clean. Sharp. Impactful.
*/

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Primary Brand Colors */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-accent: #06b6d4;
  
  /* Dark Mode (Default) */
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-hover: #334155;
  --color-text-primary: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  
  /* Light Mode Colors */
  --color-bg-light: #ffffff;
  --color-surface-light: #f1f5f9;
  --color-surface-hover-light: #e2e8f0;
  --color-text-primary-light: #0f172a;
  --color-text-secondary-light: #475569;
  --color-text-muted-light: #64748b;
  --color-border-light: #cbd5e1;
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  --gradient-card: linear-gradient(145deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
  --gradient-card-light: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%);
  --gradient-text: linear-gradient(135deg, #f8fafc 0%, #94a3b8 100%);
  --gradient-text-light: linear-gradient(135deg, #1e293b 0%, #475569 100%);
  
  /* Typography */
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Spacing (8px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows Dark */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
  --shadow-glow-lg: 0 6px 20px rgba(99, 102, 241, 0.6);
  
  /* Shadows Light */
  --shadow-sm-light: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md-light: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg-light: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  overflow: hidden;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

#preloader::before {
  content: "";
  width: 60px;
  height: 60px;
  border: 3px solid var(--color-surface);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: 15px;
  z-index: 996;
  background: var(--gradient-hero);
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.back-to-top i {
  font-size: 24px;
  color: white;
  line-height: 0;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-lg);
}

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
#header {
  transition: all var(--transition-slow);
  background: transparent;
  z-index: 997;
  padding: 20px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}

#header.header-scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  padding: 15px 0;
}

#header .logo {
  font-size: 28px;
  margin: 0;
  padding: 0;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: var(--font-heading);
}

#header .logo a {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#header .logo img {
  max-height: 40px;
}

/* Desktop Navigation */
.navbar {
  padding: 0;
}

.navbar ul {
  margin: 0;
  padding: 0;
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--space-8);
}

.navbar li {
  position: relative;
}

.navbar a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: color var(--transition-base);
  position: relative;
}

.navbar a:hover,
.navbar .active,
.navbar .active:focus,
.navbar li:hover > a {
  color: var(--color-text-primary);
}

.navbar a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-hero);
  transition: width var(--transition-base);
}

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

.navbar .getstarted {
  background: var(--gradient-hero);
  padding: 10px 24px;
  border-radius: 0.75rem;
  color: white !important;
  font-weight: 600;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
}

.navbar .getstarted::after {
  display: none;
}

.navbar .getstarted:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
}

/* Mobile Navigation */
.mobile-nav-toggle {
  color: var(--color-text-primary);
  font-size: 28px;
  cursor: pointer;
  display: none;
  line-height: 0;
  transition: 0.5s;
}

.mobile-nav-toggle.bi-x {
  color: white;
}

@media (max-width: 991px) {
  .mobile-nav-toggle {
    display: block;
  }
  .navbar ul {
    display: none;
  }
}

.navbar-mobile {
  position: fixed;
  overflow: hidden;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(10px);
  transition: 0.3s;
  z-index: 999;
}

.navbar-mobile .mobile-nav-toggle {
  position: absolute;
  top: 15px;
  right: 15px;
}

.navbar-mobile ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 55px;
  right: 15px;
  bottom: 15px;
  left: 15px;
  padding: 10px 0;
  background: var(--color-surface);
  border-radius: 1rem;
  overflow-y: auto;
  transition: 0.3s;
  gap: var(--space-6);
}

.navbar-mobile a {
  padding: 10px 20px;
  font-size: 16px;
  color: var(--color-text-secondary);
}

.navbar-mobile a:hover,
.navbar-mobile .active,
.navbar-mobile li:hover > a {
  color: var(--color-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  padding-top: 80px;
}

/* Animated background gradient */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
  animation: gradientPulse 8s ease-in-out infinite;
}

@keyframes gradientPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

#hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

#hero h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-6);
  animation: heroFadeIn 0.8s ease-out 0.2s both;
}

#hero h2 {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
  font-weight: 400;
  animation: heroFadeIn 0.8s ease-out 0.4s both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 1rem 2rem;
  background: var(--gradient-hero);
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-glow);
  text-decoration: none;
  animation: heroFadeIn 0.8s ease-out 0.6s both;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
  color: white;
}

.hero-cta i {
  font-size: 1.25rem;
  transition: transform var(--transition-base);
}

.hero-cta:hover i {
  transform: translateX(4px);
}

/* Feature Cards in Hero */
.hero-features {
  margin-top: var(--space-24);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--gradient-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 1rem;
  padding: var(--space-8);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  animation: slideUpFade 0.6s ease-out both;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

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

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

.feature-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--gradient-hero);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: white;
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
}

.feature-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
}

.feature-card h4 a {
  color: inherit;
  transition: color var(--transition-base);
}

.feature-card h4 a:hover {
  color: var(--color-primary);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* Animations */
@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   SECTIONS GENERAL
   ============================================ */
section {
  padding: var(--space-24) 0;
  overflow: hidden;
  position: relative;
}

.section-bg {
  background: var(--color-surface);
}

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

.section-title h2 {
  font-size: clamp(2rem, 5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.section-title p {
  margin-bottom: 0;
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--color-bg);
}

.about .content h3 {
  font-weight: 700;
  font-size: 2rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-6);
}

.about .content p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

.about .content ul {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
}

.about .content ul li {
  padding-left: 2rem;
  position: relative;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  font-size: 1rem;
}

.about .content ul i {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 1.25rem;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about .btn-learn-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-base);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  background: transparent;
  text-decoration: none;
  margin-top: var(--space-4);
}

.about .btn-learn-more:hover {
  background: var(--gradient-hero);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
  background: var(--color-surface);
}

.pricing .box {
  padding: var(--space-8) var(--space-6);
  text-align: center;
  border-radius: 1rem;
  position: relative;
  overflow: hidden;
  background: var(--gradient-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  transition: all var(--transition-slow);
  height: 100%;
}

.pricing .box:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.pricing .box h3 {
  font-weight: 600;
  padding: 0;
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.pricing .box h4 {
  font-size: 2.5rem;
  color: var(--color-primary);
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: var(--space-6);
}

.pricing .box h4 sup {
  font-size: 1.25rem;
  top: -0.75rem;
  left: -3px;
  color: var(--color-text-secondary);
}

.pricing .box ul {
  padding: 0;
  list-style: none;
  color: var(--color-text-secondary);
  text-align: left;
  line-height: 1.6;
  font-size: 0.95rem;
}

.pricing .box ul li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pricing .box ul li::before {
  content: '\F26B';
  font-family: 'bootstrap-icons';
  color: var(--color-primary);
  font-size: 1rem;
}

.pricing .box ul .na {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.pricing .box ul .na::before {
  content: '\F659';
  color: var(--color-text-muted);
}

.pricing .btn-wrap {
  padding-top: var(--space-6);
  margin-top: auto;
}

.pricing .btn-buy {
  display: inline-flex;
  padding: 0.875rem 2.5rem;
  border-radius: 0.75rem;
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-base);
  border: 2px solid var(--color-primary);
  background: transparent;
  text-decoration: none;
}

.pricing .btn-buy:hover {
  background: var(--gradient-hero);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.pricing .featured {
  background: var(--gradient-hero);
  border-color: transparent;
  transform: scale(1.02);
}

.pricing .featured:hover {
  transform: scale(1.02) translateY(-8px);
}

.pricing .featured h3,
.pricing .featured h4,
.pricing .featured h4 sup,
.pricing .featured ul,
.pricing .featured ul li {
  color: white;
}

.pricing .featured ul li::before {
  color: rgba(255, 255, 255, 0.9);
}

.pricing .featured ul .na {
  color: rgba(255, 255, 255, 0.5);
}

.pricing .featured ul .na::before {
  color: rgba(255, 255, 255, 0.5);
}

.pricing .featured .btn-buy {
  color: white;
  border-color: white;
}

.pricing .featured .btn-buy:hover {
  background: white;
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  background: var(--color-bg);
}

.contact .info {
  width: 100%;
  background: var(--color-surface);
  padding: var(--space-8);
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.1);
}

.contact .info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact .info-item:last-child {
  margin-bottom: 0;
}

.contact .info i {
  font-size: 1.25rem;
  color: white;
  width: 48px;
  height: 48px;
  background: var(--gradient-hero);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 0.75rem;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.contact .info h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.contact .info p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.contact .info a {
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.contact .info a:hover {
  color: var(--color-primary);
}

.contact .map-container {
  background: var(--color-surface);
  padding: var(--space-2);
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.1);
  height: 100%;
}

.contact .map-container iframe {
  border-radius: 0.75rem;
  filter: grayscale(20%) contrast(1.1);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: var(--gradient-hero);
  padding: var(--space-20) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-headline {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-4);
}

.cta-subtext {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.cta-button {
  background: white;
  color: var(--color-primary);
  padding: 1rem 2.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1.125rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.cta-button:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  color: var(--color-primary-dark);
}

/* ============================================
   FOOTER
   ============================================ */
#footer {
  color: var(--color-text-secondary);
  font-size: 14px;
  background: var(--color-bg);
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  padding: var(--space-12) 0 var(--space-6);
}

#footer .footer-top {
  padding-bottom: var(--space-8);
}

#footer .footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

#footer .footer-brand p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

#footer h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  position: relative;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-4);
}

#footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-hero);
  border-radius: 2px;
}

#footer .footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#footer .footer-links ul li {
  padding: 0.5rem 0;
}

#footer .footer-links ul a {
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  display: inline-block;
  position: relative;
}

#footer .footer-links ul a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gradient-hero);
  transition: width var(--transition-base);
}

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

#footer .footer-links ul a:hover::after {
  width: 100%;
}

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

#footer .social-links a {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  font-size: 1.125rem;
}

#footer .social-links a:hover {
  background: var(--gradient-hero);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

#footer .copyright {
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-down"] {
  transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
  transform: translateY(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.95);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 991px) {
  section {
    padding: var(--space-16) 0;
  }
  
  .hero-features {
    grid-template-columns: repeat(2, 1fr);
    margin-top: var(--space-16);
  }
  
  .pricing .featured {
    transform: none;
  }
  
  .pricing .featured:hover {
    transform: translateY(-8px);
  }
}

@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-20: 3rem;
    --space-16: 2.5rem;
  }
  
  .hero-features {
    grid-template-columns: 1fr;
  }
  
  .feature-card {
    padding: var(--space-6);
  }
  
  .contact .info {
    margin-bottom: var(--space-6);
  }
  
  .cta-section {
    padding: var(--space-16) var(--space-4);
  }
}

@media (max-width: 575px) {
  .pricing .box {
    margin-bottom: var(--space-4);
  }
}

/* Reduced motion preference */
@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;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.glow-hover {
  transition: box-shadow var(--transition-base);
}

.glow-hover:hover {
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

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

.bg-gradient {
  background: var(--gradient-hero);
}

/* Scroll reveal initial states */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: var(--space-6);
}

.theme-toggle:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-primary);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
  width: 20px;
  height: 20px;
}

/* Icon visibility based on theme */
[data-theme="dark"] .sun-icon,
[data-theme="light"] .moon-icon {
  display: block;
}

[data-theme="dark"] .moon-icon,
[data-theme="light"] .sun-icon {
  display: none;
}

/* Default: show sun icon (assuming dark mode default) */
.sun-icon {
  display: block;
}

.moon-icon {
  display: none;
}

/* ============================================
   LIGHT MODE STYLES
   ============================================ */
[data-theme="light"] {
  --color-bg: var(--color-bg-light);
  --color-surface: var(--color-surface-light);
  --color-surface-hover: var(--color-surface-hover-light);
  --color-text-primary: var(--color-text-primary-light);
  --color-text-secondary: var(--color-text-secondary-light);
  --color-text-muted: var(--color-text-muted-light);
  --gradient-card: var(--gradient-card-light);
  --gradient-text: var(--gradient-text-light);
  --shadow-sm: var(--shadow-sm-light);
  --shadow-md: var(--shadow-md-light);
  --shadow-lg: var(--shadow-lg-light);
}

/* Light mode specific adjustments */
[data-theme="light"] .feature-card {
  border-color: rgba(100, 116, 139, 0.15);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .feature-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] #hero h1 {
  background: var(--gradient-text-light);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .section-title h2 {
  background: var(--gradient-text-light);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .about .content h3 {
  background: var(--gradient-text-light);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] #footer {
  border-top-color: rgba(100, 116, 139, 0.15);
}

[data-theme="light"] .pricing {
  background: var(--color-surface-light);
}

[data-theme="light"] .testimonial-card::before {
  opacity: 0.1;
}

[data-theme="light"] .stat-number {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .contact .map-container iframe {
  filter: grayscale(0%) contrast(1);
}

[data-theme="light"] #header.header-scrolled {
  background: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .navbar-mobile {
  background: rgba(255, 255, 255, 0.98);
}

[data-theme="light"] .navbar-mobile ul {
  background: var(--color-surface-light);
}

/* ============================================
   FLOATING SHAPES (Hero Background)
   ============================================ */
.floating-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.shape {
  position: absolute;
  opacity: 0.05;
  animation: float 20s ease-in-out infinite;
}

.shape-1 {
  width: 400px;
  height: 400px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  top: 10%;
  left: -100px;
  animation-delay: 0s;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  border-radius: 50%;
  top: 60%;
  right: -50px;
  animation-delay: -5s;
}

.shape-3 {
  width: 200px;
  height: 200px;
  border: 2px solid var(--color-primary);
  transform: rotate(45deg);
  top: 30%;
  right: 20%;
  animation-delay: -10s;
}

.shape-4 {
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  bottom: 20%;
  left: 10%;
  animation-delay: -15s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-30px) rotate(5deg);
  }
  66% {
    transform: translateY(20px) rotate(-5deg);
  }
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
  background: var(--color-surface);
  padding: var(--space-20) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
}

.stat-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--gradient-card);
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.1);
  transition: all var(--transition-slow);
}

.stat-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-section {
  background: var(--color-bg);
  padding: var(--space-24) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-surface);
  border-radius: 1rem;
  padding: var(--space-8);
  border: 1px solid rgba(148, 163, 184, 0.1);
  position: relative;
  transition: all var(--transition-slow);
}

.testimonial-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-content {
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.testimonial-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Responsive adjustments for new sections */
@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .shape {
    opacity: 0.03;
  }
}

@media (max-width: 575px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   TRUST STRIP SECTION
   ============================================ */
.trust-strip {
  background: var(--color-surface);
  padding: var(--space-8) 0;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.trust-items {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.trust-item i {
  color: var(--color-primary);
  font-size: 1.125rem;
}

@media (max-width: 768px) {
  .trust-items {
    gap: var(--space-6);
  }
  
  .trust-item {
    font-size: 0.875rem;
  }
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */
.solutions {
  background: var(--color-bg);
}

.solution-card {
  background: var(--gradient-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 1rem;
  padding: var(--space-8);
  height: 100%;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.solution-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

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

.solution-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--gradient-hero);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: white;
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
}

.solution-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
}

.solution-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* ============================================
   DEMO SECTION
   ============================================ */
.demo-section {
  background: var(--color-surface);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.demo-card {
  background: var(--gradient-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 1rem;
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-slow);
}

.demo-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.demo-image {
  width: 5rem;
  height: 5rem;
  background: var(--gradient-hero);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: white;
  font-size: 2rem;
}

.demo-card h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.demo-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

/* ============================================
   CASE STUDY SECTION
   ============================================ */
.casestudy-section {
  background: var(--color-bg);
}

.casestudy-card {
  background: var(--gradient-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 1rem;
  padding: var(--space-8);
  max-width: 800px;
  margin: 0 auto;
}

.casestudy-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.casestudy-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.casestudy-item strong {
  display: block;
  color: var(--color-text-primary);
  font-weight: 600;
  margin-bottom: var(--space-2);
  font-size: 1rem;
}

.casestudy-item p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   PACKAGES SECTION
   ============================================ */
.packages {
  background: var(--color-surface);
}

.package-box {
  padding: var(--space-8) var(--space-6);
  text-align: center;
  border-radius: 1rem;
  position: relative;
  overflow: hidden;
  background: var(--gradient-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  transition: all var(--transition-slow);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.package-box:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

.package-header {
  margin-bottom: var(--space-6);
}

.package-box h3 {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.package-desc {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin: 0;
}

.package-price {
  margin-bottom: var(--space-6);
}

.price-from {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--space-2);
}

.package-box h4 {
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 700;
  font-family: var(--font-heading);
  margin: 0;
}

.package-box h4 sup {
  font-size: 0.875rem;
  top: -0.5rem;
  left: -3px;
  color: var(--color-text-secondary);
}

.price-note {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  margin-top: var(--space-1);
}

.package-box ul {
  padding: 0;
  list-style: none;
  color: var(--color-text-secondary);
  text-align: left;
  line-height: 1.8;
  font-size: 0.95rem;
  flex-grow: 1;
}

.package-box ul li {
  padding: 0.35rem 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.package-box ul li i {
  color: var(--color-primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.package-box .btn-wrap {
  padding-top: var(--space-6);
  margin-top: auto;
}

.package-box .btn-buy {
  display: inline-flex;
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-base);
  border: 2px solid var(--color-primary);
  background: transparent;
  text-decoration: none;
}

.package-box .btn-buy:hover {
  background: var(--gradient-hero);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.package-box.featured {
  background: var(--gradient-hero);
  border-color: transparent;
  transform: scale(1.02);
}

.package-box.featured:hover {
  transform: scale(1.02) translateY(-8px);
}

.package-box.featured h3,
.package-box.featured .package-desc,
.package-box.featured h4,
.package-box.featured h4 sup,
.package-box.featured .price-from,
.package-box.featured .price-note,
.package-box.featured ul,
.package-box.featured ul li {
  color: white;
}

.package-box.featured ul li i {
  color: rgba(255, 255, 255, 0.9);
}

.package-box.featured .btn-buy {
  color: white;
  border-color: white;
}

.package-box.featured .btn-buy:hover {
  background: white;
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.pricing-note {
  text-align: center;
  margin-top: var(--space-8);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.pricing-note i {
  color: var(--color-primary);
  margin-right: var(--space-2);
}

/* ============================================
   WHY EVOO SECTION
   ============================================ */
.why-evoo-section {
  background: var(--color-bg);
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 1rem;
  transition: all var(--transition-slow);
  height: 100%;
}

.why-item:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md);
}

.why-item i {
  width: 3rem;
  height: 3rem;
  background: var(--gradient-hero);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.why-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.why-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

/* ============================================
   ABOUT SECTION (UPDATED)
   ============================================ */
.about .about-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about .about-content .lead {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  line-height: 1.4;
}

.about .about-content p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

/* Responsive for new sections */
@media (max-width: 991px) {
  .package-box.featured {
    transform: none;
  }
  
  .package-box.featured:hover {
    transform: translateY(-8px);
  }
  
  .demo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
  
  .casestudy-card {
    padding: var(--space-6);
  }
  
  .casestudy-card h4 {
    font-size: 1.25rem;
  }
  
  .about .about-content .lead {
    font-size: 1.25rem;
  }
}

@media (max-width: 575px) {
  .package-box {
    margin-bottom: var(--space-4);
  }
  
  .why-item {
    flex-direction: column;
    text-align: center;
  }
  
  .why-item i {
    margin: 0 auto;
  }
}

/* ============================================
   LANGUAGE SWITCHER
   ============================================ */
.language-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: var(--space-4);
  padding: 0.25rem;
  background: var(--color-surface);
  border-radius: 0.5rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all var(--transition-base);
}

.lang-btn:hover {
  color: var(--color-text-secondary);
  background: var(--color-surface-hover);
}

.lang-btn.active {
  background: var(--gradient-hero);
  color: white;
}

.lang-flag {
  font-size: 0.875rem;
  line-height: 1;
}

.lang-code {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Light mode adjustments */
[data-theme="light"] .language-switcher {
  background: var(--color-surface-light);
  border-color: rgba(100, 116, 139, 0.2);
}

[data-theme="light"] .lang-btn:hover {
  background: var(--color-surface-hover-light);
}

/* Mobile adjustments */
@media (max-width: 991px) {
  .language-switcher {
    margin-left: auto;
    margin-right: var(--space-4);
  }
  
  .navbar-mobile .language-switcher {
    position: absolute;
    top: 15px;
    left: 15px;
    margin: 0;
    background: var(--color-surface);
  }
  
  [data-theme="light"] .navbar-mobile .language-switcher {
    background: var(--color-surface-light);
  }
}

@media (max-width: 768px) {
  .lang-btn {
    padding: 0.375rem 0.5rem;
  }
  
  .lang-code {
    display: none;
  }
}