/* ===================================
   BlanketByte - CSS Design System
   Modern, Premium Consultancy Website
   =================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;600;700&display=swap');

/* ===================================
   CSS Variables & Design Tokens
   =================================== */
:root {
  /* Brand Colors - Restored */
  --primary: #1a4d5c;
  --secondary: #2a7a8a;
  --accent: #5ba3b8;
  --accent-glow: rgba(91, 163, 184, 0.4);

  /* Light Mode Colors - Premium Liquid Glass */
  --bg-primary: linear-gradient(135deg, #e8f4f8 0%, #f0f9fc 100%);
  --bg-secondary: rgba(255, 255, 255, 0.85);
  --bg-card: rgba(255, 255, 255, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.4);
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #6a6a6a;
  --border-color: rgba(255, 255, 255, 0.5);
  --border-glow: rgba(91, 163, 184, 0.2);
  --shadow: rgba(26, 77, 92, 0.1);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #1a4d5c 0%, #2a7a8a 50%, #5ba3b8 100%);
  --gradient-mesh: radial-gradient(at 0% 0%, rgba(26, 77, 92, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(91, 163, 184, 0.15) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(42, 122, 138, 0.1) 0px, transparent 50%);
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);

  /* Glass Effects */
  --glass-blur: 20px;
  --glass-blur-heavy: 40px;
  --glass-border: 1px solid rgba(255, 255, 255, 0.6);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-xl: 40px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Shadows - Softer, more layered */
  --shadow-sm: 0 2px 12px rgba(26, 77, 92, 0.06),
    0 1px 4px rgba(26, 77, 92, 0.04);
  --shadow-md: 0 8px 24px rgba(26, 77, 92, 0.1),
    0 2px 8px rgba(26, 77, 92, 0.06);
  --shadow-lg: 0 16px 48px rgba(26, 77, 92, 0.12),
    0 4px 16px rgba(26, 77, 92, 0.08);
  --shadow-xl: 0 24px 64px rgba(26, 77, 92, 0.16),
    0 8px 24px rgba(26, 77, 92, 0.1);
  --shadow-glow: 0 0 40px rgba(91, 163, 184, 0.3),
    0 0 80px rgba(91, 163, 184, 0.15);
}

/* Dark Mode Variables - Liquid Glass */
/* Dark Mode Variables - Liquid Glass */
.dark-mode {
  --bg-primary: #000000;
  /* Pure black for maximum contrast on OLED/Mobile */
  --bg-secondary: rgba(30, 30, 30, 0.6);
  --bg-card: rgba(40, 40, 40, 0.4);
  --bg-glass: rgba(20, 20, 20, 0.3);
  --text-primary: #f5f5f5;
  --text-secondary: #d0d0d0;
  --text-muted: #a0a0a0;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(91, 163, 184, 0.4);
  --shadow: rgba(0, 0, 0, 0.4);
  --gradient-card: linear-gradient(135deg, rgba(60, 60, 60, 0.4) 0%, rgba(40, 40, 40, 0.3) 100%);
  --gradient-mesh: none;
  /* Disable mesh gradient to prevent grey wash on Safari */

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
}

.dark-mode .contact-item-icon {
  color: var(--accent);
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  /* Ensure background covers full view on iOS */
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background var(--transition-slow), color var(--transition-base);
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: 0;
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

/* ===================================
   Typography
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

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

/* ===================================
   Layout & Container
   =================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

/* ===================================
   Navigation Bar
   =================================== */
.navbar {
  position: fixed;
  top: var(--spacing-sm);
  left: 50%;
  transform: translateX(-50%);
  width: min(1400px, calc(100% - var(--spacing-lg)));
  z-index: 1000;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: 100px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.dark-mode .navbar {
  background: rgba(20, 20, 20, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1400px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  transition: transform var(--transition-fast);
}

.dark-mode .navbar-brand {
  color: #f5f5f5;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-brand img {
  height: 50px;
  width: auto;
  transition: transform var(--transition-base);
}

.navbar-brand:hover img {
  transform: rotate(-5deg) scale(1.1);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.navbar-menu a {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--accent);
  transition: transform var(--transition-base);
}

.navbar-menu a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

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

/* Dark Mode Toggle - Clean & Minimal */
.dark-mode-toggle {
  background: transparent;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  color: var(--primary);
  box-shadow: none;
}

.dark-mode .dark-mode-toggle {
  color: var(--accent);
}

.dark-mode-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
  transform: rotate(15deg);
}

.dark-mode .dark-mode-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu Button */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(91, 163, 184, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(42, 122, 138, 0.3) 0%, transparent 50%);
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-content h1 {
  color: white;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease-out;
}

.highlight-text {
  color: #aed9e0;
  /* Light cyan/blue color that matches the theme */
  position: relative;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background-color: rgba(255, 255, 255, 0.7);
  animation: blink 1s infinite;
  margin-left: 2px;
  vertical-align: -0.15em;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s ease-out 0.6s both;
  margin-top: 4rem;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
  width: 400px;
  height: 400px;
}

.btn-primary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  transform: translateY(-3px) scale(1.02);
  border-color: white;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.4);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(91, 163, 184, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(91, 163, 184, 0.5);
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-hero);
  border-radius: 2px;
}

.section-header p {
  max-width: 600px;
  margin: var(--spacing-md) auto 0;
}

/* ===================================
   Services Section
   =================================== */
.services {
  background: var(--bg-secondary);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  position: relative;
}

.services-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.service-card {
  flex: 1 1 350px;
  max-width: 420px;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(91, 163, 184, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-base);
  filter: blur(20px);
}

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

.service-card:hover::after {
  opacity: 0.6;
}

.service-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-glow);
  border-color: var(--border-glow);
  background: rgba(255, 255, 255, 0.5);
}

.dark-mode .service-card:hover {
  background: rgba(60, 60, 60, 0.5);
}

.service-icon {
  margin-bottom: var(--spacing-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  color: var(--primary);
  width: 64px;
  height: 64px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.dark-mode .service-icon {
  color: var(--accent);
}

.service-card:hover .service-icon {
  background: var(--accent);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: scale(1.2) rotate(5deg);
}

.service-card h3 {
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.dark-mode .service-card h3 {
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.8rem 1.5rem;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.filter-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.filter-btn.active {
  background: var(--gradient-hero);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-md), 0 0 20px rgba(91, 163, 184, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.portfolio-item {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 250px;
}

.portfolio-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-item:hover {
  transform: translateY(-10px) scale(1.01);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(91, 163, 184, 0.15);
  border-color: var(--border-glow);
}

.portfolio-item:hover::before {
  opacity: 1;
}

.portfolio-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--accent-glow);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  width: fit-content;
  backdrop-filter: blur(5px);
}

.dark-mode .portfolio-tag {
  color: var(--accent);
}

.portfolio-item h3 {
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.portfolio-item p {
  font-size: 1rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
  flex-grow: 1;
}

/* ===================================
   About Section
   =================================== */
.about {
  background: var(--bg-secondary);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  position: relative;
}

.about-content {
  display: block;
  max-width: 900px;
  margin: var(--spacing-lg) auto 0;
  text-align: center;
}

.about-text h3 {
  color: var(--primary);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.dark-mode .about-text h3 {
  color: var(--text-primary);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.expertise-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.expertise-item:hover {
  border-color: var(--accent);
  transform: translateX(5px);
}

.expertise-item::before {
  content: '✓';
  color: var(--accent);
  font-weight: 800;
  font-size: 1.2rem;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: var(--spacing-md);
  border-radius: var(--radius-xl);
  border: var(--glass-border);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(91, 163, 184, 0.1), transparent);
  transform: rotate(45deg);
  transition: all var(--transition-slow);
}

.testimonial-card:hover::before {
  left: 100%;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.5);
}

.dark-mode .testimonial-card:hover {
  background: rgba(60, 60, 60, 0.5);
}

.testimonial-stars {
  color: #ffd700;
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary);
}

.testimonial-role {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
  background: var(--bg-secondary);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  position: relative;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-item-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  transition: all var(--transition-base);
}

.contact-item-card:hover {
  transform: translateX(10px);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
}

.contact-item-icon {
  width: 45px;
  height: 45px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  color: var(--primary);
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item-card:hover .contact-item-icon {
  background: var(--accent);
  color: white;
  transform: scale(1.1) rotate(5deg);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  width: 45px;
  height: 45px;
  background: var(--bg-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
}

.social-link:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-5px) rotate(8deg);
  box-shadow: var(--shadow-glow);
}

.contact-form {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  background: white;
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.dark-mode .form-group input,
.dark-mode .form-group textarea,
.dark-mode .form-group select {
  background: #1e1e1e;
  border-color: var(--accent);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 15px rgba(91, 163, 184, 0.2);
}

.dark-mode .form-group input:focus,
.dark-mode .form-group textarea:focus,
.dark-mode .form-group select:focus {
  background: rgba(0, 0, 0, 0.5);
}

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

.error-message {
  color: #ff4d4d;
  font-size: 0.85rem;
  margin-top: 5px;
  display: none;
}

.success-message {
  background: rgba(75, 181, 67, 0.2);
  color: #2e7d32;
  border: 1px solid #4bb543;
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  display: none;
  font-weight: 600;
  text-align: center;
}

.dark-mode .success-message {
  background: rgba(75, 181, 67, 0.1);
  color: #a5d6a7;
}

@media (max-width: 991px) {
  .contact-container {
    grid-template-columns: 1fr;
  }

  .contact-info-groups {
    order: 2;
  }
}

.success-message.show {
  display: block;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h4 {
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

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

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease-out forwards;
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

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

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

/* Tablet (768px and below) */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-md);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: none;
    box-shadow: none;
    z-index: 999;
  }

  .navbar-menu.active {
    transform: translateX(0);
  }

  .hamburger {
    display: none;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
    margin-bottom: var(--spacing-md);
  }

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

  .about-content,
  .contact-container {
    grid-template-columns: 1fr;
  }

  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .navbar {
    width: calc(100% - var(--spacing-sm));
    top: var(--spacing-xs);
  }

  .navbar .container {
    padding: 0.5rem 1rem;
  }

  .navbar-brand span {
    display: block;
    font-size: 1.2rem;
  }

  section {
    padding: var(--spacing-lg) 0;
  }

  .btn {
    width: 100%;
  }

  .hero-cta {
    flex-direction: column;
  }

  .navbar-brand img {
    height: 35px;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* Large Desktop (1920px and above) */
@media (min-width: 1920px) {
  .container {
    max-width: 1600px;
  }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

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

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

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

.hidden {
  display: none !important;
}

/* Animation for showing elements */
@keyframes itemShow {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.portfolio-item:not(.hidden) {
  animation: itemShow 0.5s ease forwards;
}