/* ===== CSS Variables ===== */
:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --accent: #ed8936;
  --accent-hover: #dd6b20;
  --text-dark: #1a202c;
  --text-light: #718096;
  --bg-light: #f7fafc;
  --bg-cream: #fffbeb;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'Segoe UI', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--bg-light);
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

/* ===== Header & Navigation ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(237, 137, 54, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(237, 137, 54, 0.5);
}

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

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

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a365d 0%, #2c5282 50%, #3182ce 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 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");
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  color: white;
}

.hero-text h1 {
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease;
}

.hero-text p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-visual {
  position: relative;
  animation: fadeIn 1s ease 0.5s both;
}

.passport-card {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  transform: rotate(3deg);
}

.passport-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px dashed var(--border);
}

.passport-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.passport-title {
  font-size: 1.25rem;
  color: var(--primary);
}

.passport-subtitle {
  color: var(--text-light);
  font-size: 0.875rem;
}

.passport-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
}

.stat-item h4 {
  font-size: 1.75rem;
  color: var(--primary);
}

.stat-item p {
  font-size: 0.875rem;
  color: var(--text-light);
}

.floating-badge {
  position: absolute;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  animation: float 3s ease-in-out infinite;
}

.floating-badge.badge-1 {
  top: -20px;
  right: 20px;
  color: #38a169;
}

.floating-badge.badge-2 {
  bottom: 20px;
  left: -30px;
  color: var(--accent);
  animation-delay: 1s;
}

/* ===== Features Section ===== */
.features {
  background: white;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-light);
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
}

.feature-card h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-light);
}

/* ===== Services Page ===== */
.page-hero {
  padding: 10rem 0 5rem;
  background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
  text-align: center;
  color: white;
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero p {
  opacity: 0.9;
  font-size: 1.125rem;
}

/* ===== Visa Cards ===== */
.services-section {
  padding: 5rem 0;
  background: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.visa-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.visa-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.visa-card-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 2rem;
  color: white;
  position: relative;
}

.visa-card-header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visa-type-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}

.visa-card-header h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.visa-card-header p {
  opacity: 0.9;
  font-size: 0.875rem;
}

.visa-card-body {
  padding: 2.5rem 2rem 2rem;
}

.visa-price {
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.visa-price .price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
}

.visa-price .price span {
  font-size: 1rem;
  color: var(--text-light);
}

.visa-price .duration {
  font-size: 0.875rem;
  color: var(--text-light);
}

.visa-materials h4 {
  color: var(--primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.visa-materials ul {
  margin-bottom: 1.5rem;
}

.visa-materials li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-light);
}

.visa-materials li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #38a169;
  font-weight: bold;
}

.visa-card .btn {
  width: 100%;
}

/* ===== Application Form ===== */
.application-section {
  padding: 5rem 0;
  background: white;
}

.form-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-light);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
}

.form-header h2 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 0;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-group label .required {
  color: #e53e3e;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

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

.form-submit {
  margin-top: 2rem;
  text-align: center;
}

.form-submit .btn {
  min-width: 200px;
}

/* ===== About Page ===== */
.about-intro {
  padding: 5rem 0;
  background: white;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
}

.about-image-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: white;
  padding: 1.5rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.about-image-badge h4 {
  font-size: 2rem;
}

.about-content h2 {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: 15px;
}

.about-stat h3 {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.about-stat p {
  font-size: 0.875rem;
  color: var(--text-light);
  margin: 0;
}

/* ===== Team Section ===== */
.team-section {
  padding: 5rem 0;
  background: var(--bg-light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.team-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.team-avatar {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
}

.team-card h3 {
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.team-card .role {
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1rem;
}

.team-card p {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* ===== Values Section ===== */
.values-section {
  padding: 5rem 0;
  background: white;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.value-card {
  padding: 2rem;
  border: 2px solid var(--border);
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
}

.value-card:hover {
  border-color: var(--accent);
}

.value-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.value-card h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.value-card p {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* ===== Contact Section ===== */
.contact-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  text-align: center;
}

.contact-item {
  padding: 2rem;
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.contact-item h3 {
  margin-bottom: 0.5rem;
}

.contact-item p {
  opacity: 0.9;
}

/* ===== Footer ===== */
footer {
  background: var(--text-dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 1rem;
}

.footer-brand .logo-icon {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--accent);
}

.footer-links h4 {
  margin-bottom: 1.5rem;
  color: white;
}

.footer-links ul li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Success Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  text-align: center;
  max-width: 400px;
  animation: scaleIn 0.3s ease;
}

.modal-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #38a169 0%, #48bb78 100%);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
}

.modal-content h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.modal-content p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-visual {
    display: none;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

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

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

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

  .about-stats {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .floating-badge.badge-2 {
    display: none;
  }
}

/* ===== Language Switcher ===== */
.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-switcher {
  position: relative;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-light);
  border: 2px solid var(--border);
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
}

.lang-toggle:hover {
  border-color: var(--primary);
  background: white;
}

.lang-toggle .globe-icon {
  font-size: 1.1rem;
}

.lang-toggle .arrow-icon {
  font-size: 0.75rem;
  transition: var(--transition);
}

.lang-switcher.open .lang-toggle .arrow-icon {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: white;
  border-radius: 15px;
  box-shadow: var(--shadow-xl);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1001;
  overflow: hidden;
}

.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown-header {
  padding: 0.75rem 1rem;
  background: var(--bg-light);
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

.lang-option:hover {
  background: var(--bg-light);
}

.lang-option.active {
  background: rgba(237, 137, 54, 0.1);
  color: var(--accent);
}

.lang-option .flag {
  font-size: 1.25rem;
}

.lang-option .check {
  margin-left: auto;
  color: var(--accent);
  opacity: 0;
}

.lang-option.active .check {
  opacity: 1;
}

/* Mobile Language Switcher */
@media (max-width: 768px) {
  .nav-right {
    position: absolute;
    right: 60px;
  }
  
  .lang-toggle {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
  }
  
  .lang-dropdown {
    right: -20px;
  }
  
  .current-lang-text {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-right {
    right: 50px;
  }
}