/* ============================================
   SRP Website - Main Stylesheet
   Neumorphic Design with Bright Colors
   ============================================ */

/* CSS Variables */
:root {
  /* Primary Colors - Bright & Cheerful */
  --primary-blue: #4A90D9;
  --primary-pink: #FFB7C5;
  --primary-yellow: #FFE066;
  --primary-green: #98D8AA;
  --primary-coral: #FF8A80;
  
  /* Background Colors */
  --bg-main: #E8F4FC;
  --bg-light: #F5FAFD;
  --bg-card: #EEF6FB;
  
  /* Text Colors */
  --text-dark: #2C3E50;
  --text-medium: #5D6D7E;
  --text-light: #8E99A4;
  
  /* Neumorphic Shadows */
  --shadow-light: #FFFFFF;
  --shadow-dark: #C5D5E4;
  
  /* Accent Colors */
  --accent-sakura: #FFB7C5;
  --accent-sky: #87CEEB;
  --accent-sunshine: #FFD93D;
  --accent-mint: #98D8AA;
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #E8F4FC 0%, #FFE4E8 50%, #E8F4FC 100%);
  --gradient-card: linear-gradient(145deg, #F5FAFD, #E0EBF5);
  --gradient-button: linear-gradient(145deg, #5BA3E8, #3D7DBF);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 15px;
  --radius-lg: 25px;
  --radius-xl: 35px;
  --radius-full: 50px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); }

p {
  color: var(--text-medium);
  margin-bottom: var(--spacing-sm);
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ============================================
   Neumorphic Components
   ============================================ */

/* Neumorphic Card */
.neu-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  transition: var(--transition-normal);
}

.neu-card:hover {
  transform: translateY(-5px);
  box-shadow: 
    12px 12px 24px var(--shadow-dark),
    -12px -12px 24px var(--shadow-light);
}

/* Neumorphic Button */
.neu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
  background: var(--bg-card);
  color: var(--text-dark);
  box-shadow: 
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
}

.neu-btn:hover {
  box-shadow: 
    2px 2px 5px var(--shadow-dark),
    -2px -2px 5px var(--shadow-light);
  transform: translateY(2px);
}

.neu-btn:active {
  box-shadow: 
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
}

/* Primary Button */
.neu-btn-primary {
  background: var(--gradient-button);
  color: white;
  box-shadow: 
    5px 5px 15px rgba(74, 144, 217, 0.4),
    -3px -3px 10px var(--shadow-light);
}

.neu-btn-primary:hover {
  background: linear-gradient(145deg, #6AB0F0, #4A90D9);
  box-shadow: 
    3px 3px 8px rgba(74, 144, 217, 0.5),
    -2px -2px 5px var(--shadow-light);
}

/* Secondary Button */
.neu-btn-secondary {
  background: var(--bg-card);
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.neu-btn-secondary:hover {
  background: var(--primary-blue);
  color: white;
}

/* Accent Button - Sakura */
.neu-btn-sakura {
  background: linear-gradient(145deg, #FFCAD4, #FFB7C5);
  color: var(--text-dark);
  box-shadow: 
    5px 5px 15px rgba(255, 183, 197, 0.5),
    -3px -3px 10px var(--shadow-light);
}

.neu-btn-sakura:hover {
  background: linear-gradient(145deg, #FFD6DE, #FFCAD4);
}

/* Neumorphic Input */
.neu-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-dark);
  font-size: 1rem;
  box-shadow: 
    inset 4px 4px 8px var(--shadow-dark),
    inset -4px -4px 8px var(--shadow-light);
  transition: var(--transition-fast);
}

.neu-input:focus {
  outline: none;
  box-shadow: 
    inset 2px 2px 4px var(--shadow-dark),
    inset -2px -2px 4px var(--shadow-light),
    0 0 0 3px rgba(74, 144, 217, 0.2);
}

.neu-input::placeholder {
  color: var(--text-light);
}

/* Neumorphic Textarea */
.neu-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-dark);
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  min-height: 150px;
  box-shadow: 
    inset 4px 4px 8px var(--shadow-dark),
    inset -4px -4px 8px var(--shadow-light);
  transition: var(--transition-fast);
}

.neu-textarea:focus {
  outline: none;
  box-shadow: 
    inset 2px 2px 4px var(--shadow-dark),
    inset -2px -2px 4px var(--shadow-light),
    0 0 0 3px rgba(74, 144, 217, 0.2);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  background: transparent;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(232, 244, 252, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-logo h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.nav-logo span {
  color: var(--accent-sakura);
}

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

.nav-link {
  position: relative;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--accent-sakura);
  border-radius: 2px;
  transition: var(--transition-normal);
  transform: translateX(-50%);
}

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

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

.nav-link.active {
  color: var(--primary-blue);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  box-shadow: 
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
  cursor: pointer;
  transition: var(--transition-fast);
}

.lang-toggle:hover {
  box-shadow: 
    1px 1px 3px var(--shadow-dark),
    -1px -1px 3px var(--shadow-light);
}

.lang-btn {
  padding: 4px 10px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-medium);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lang-btn.active {
  background: var(--primary-blue);
  color: white;
}

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

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-lg);
}

.hero-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(255, 183, 197, 0.3);
  color: var(--text-dark);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  animation: fadeInDown 0.8s ease;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero h1 span {
  color: var(--primary-blue);
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-medium);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

/* Decorative Elements */
.hero-decoration {
  position: absolute;
  z-index: 0;
  opacity: 0.5;
}

.decoration-sakura {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--accent-sakura) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.decoration-1 { top: 15%; left: 10%; animation-delay: 0s; }
.decoration-2 { top: 70%; left: 5%; animation-delay: 2s; }
.decoration-3 { top: 20%; right: 10%; animation-delay: 1s; }
.decoration-4 { bottom: 20%; right: 5%; animation-delay: 3s; }

/* ============================================
   Section Styles
   ============================================ */

.section {
  padding: var(--spacing-2xl) 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: linear-gradient(145deg, var(--accent-sakura), #FFD0DA);
  color: var(--text-dark);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  color: var(--text-medium);
  font-size: 1.1rem;
}

/* ============================================
   Service Cards Grid
   ============================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-card);
  box-shadow: 
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  font-size: 2rem;
}

.service-card h4 {
  margin-bottom: var(--spacing-sm);
}

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

.service-card .neu-btn {
  margin-top: var(--spacing-md);
}

/* Icon Colors */
.icon-blue { color: var(--primary-blue); }
.icon-pink { color: var(--accent-sakura); }
.icon-yellow { color: var(--accent-sunshine); }
.icon-green { color: var(--accent-mint); }

/* ============================================
   Features Section
   ============================================ */

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

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.feature-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  box-shadow: 
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
  font-size: 1.5rem;
}

.feature-content h4 {
  margin-bottom: var(--spacing-xs);
}

.feature-content p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ============================================
   About Section
   ============================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 
    15px 15px 30px var(--shadow-dark),
    -15px -15px 30px var(--shadow-light);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-content h2 {
  margin-bottom: var(--spacing-md);
}

.about-content p {
  margin-bottom: var(--spacing-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  box-shadow: 
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-medium);
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
  background: linear-gradient(135deg, var(--primary-blue) 0%, #6AB0F0 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
}

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

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
}

.cta-section .neu-btn {
  background: white;
  color: var(--primary-blue);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-section .neu-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Contact Section
   ============================================ */

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

.contact-form {
  padding: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-dark);
}

.contact-info {
  padding: var(--spacing-xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  box-shadow: 
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
  font-size: 1.25rem;
  color: var(--primary-blue);
}

.contact-details h4 {
  margin-bottom: var(--spacing-xs);
}

.contact-details p {
  margin-bottom: 0;
}

/* Map placeholder */
.map-container {
  margin-top: var(--spacing-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
}

.map-container iframe {
  width: 100%;
  height: 250px;
  border: none;
}

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

.footer {
  background: var(--bg-light);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-sakura), var(--primary-blue), var(--accent-mint));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-medium);
  box-shadow: 
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
  transition: var(--transition-fast);
}

.social-link:hover {
  color: var(--primary-blue);
  transform: translateY(-3px);
}

.footer-column h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

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

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

.footer-links a {
  color: var(--text-medium);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--shadow-dark);
}

.footer-bottom p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */

.page-header {
  padding: 150px 0 80px;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://images.unsplash.com/photo-1493976040374-85c8e12f0c0e?w=1920') center/cover;
  opacity: 0.1;
}

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

.page-header h1 {
  margin-bottom: var(--spacing-sm);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: var(--text-medium);
}

.breadcrumb span {
  color: var(--text-light);
}

/* ============================================
   Service Details Page
   ============================================ */

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.service-list {
  list-style: none;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--shadow-dark);
}

.service-list li:last-child {
  border-bottom: none;
}

.service-list .check-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-mint);
  color: white;
  font-size: 0.8rem;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-left {
  transform: translateX(-30px);
}

.animate-left.animated {
  transform: translateX(0);
}

.animate-right {
  transform: translateX(30px);
}

.animate-right.animated {
  transform: translateX(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

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

@media (max-width: 1024px) {
  .about-grid,
  .contact-grid,
  .service-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-light);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    opacity: 0;
    transition: var(--transition-normal);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .neu-card {
    padding: var(--spacing-md);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
}

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Why Choose Cards */
.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.why-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.why-card .icon-wrapper {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-card);
  box-shadow: 
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  font-size: 2.5rem;
}

.why-card h3 {
  margin-bottom: var(--spacing-sm);
}

/* Visa Type Cards */
.visa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.visa-card {
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.visa-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-blue), var(--accent-sakura));
  border-radius: 2px;
}

.visa-card h4 {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-sm);
}

.visa-card p {
  font-size: 0.95rem;
  padding-left: var(--spacing-sm);
}

.visa-card ul {
  list-style: none;
  padding-left: var(--spacing-sm);
}

.visa-card ul li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--text-medium);
}

.visa-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-mint);
  font-weight: bold;
}