/* Basic Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.nav-brand a {
  font-size: 1.5rem;
  font-weight: 700;
  color: #667eea;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-brand a:hover,
.nav-brand a:focus {
  color: #764ba2;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-menu li {
  margin: 0;
}

nav a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

nav a:hover,
nav a:focus {
  color: #667eea;
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #A9D6E5 100%);
  color: white;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.hero-wrapper {
  display: grid;
  /* grid-template-columns: 1fr 1fr; */
  gap: 60px;
  align-items: center;
}

.hero-content {
  z-index: 2;
  text-align: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.95;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  margin-top: 20px;
  gap: 20px;
  flex-wrap: wrap;
  flex-direction: column;
  align-items: center;
}

.hero-image {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
  /* animation: float 3s ease-in-out infinite; */
}

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

/* Services Preview Section */
.services-preview {
  padding: 100px 0;
  background: #f8f9fa;
}

.services-preview h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: #333;
  font-weight: 700;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.service-card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.service-card:focus-within {
  outline: 2px solid #667eea;
  outline-offset: 4px;
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #333;
  font-weight: 600;
}

.service-card p {
  color: #666;
  line-height: 1.6;
}

/* Why ARC Leaders Section */
.why-arc {
  padding: 100px 0;
  background: white;
}

.why-arc-content {
  max-width: 700px;
}

.why-arc h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #333;
  font-weight: 700;
}

.why-arc > .container > p {
  font-size: 1.1rem;
  margin-bottom: 40px;
  color: #666;
  line-height: 1.8;
}

.benefits-list {
  list-style: none;
  padding: 0;
}

.benefits-list li {
  padding: 12px 0;
  padding-left: 35px;
  position: relative;
  color: #555;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 8px;
}

.benefits-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
  font-size: 1.3rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  font-weight: 700;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.95;
  line-height: 1.6;
}

/* Page Header Section */
.page-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Services Detail Section */
.services-detail {
  padding: 100px 0;
  background: white;
}

.services-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
}

.service-item {
  padding: 40px;
  background: #f8f9fa;
  border-radius: 12px;
  border-left: 4px solid #667eea;
}

.service-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 15px;
}

.service-item h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #333;
}

.service-item p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  padding: 0;
}

.service-features li {
  padding: 8px 0;
  padding-left: 25px;
  position: relative;
  color: #555;
  line-height: 1.6;
}

.service-features li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
}

/* About Section */
.about-section {
  padding: 100px 0;
  background: white;
}

.about-content {
  max-width: 800px;
  margin-bottom: 80px;
}

.about-content h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: #333;
  font-weight: 700;
}

.about-content p {
  font-size: 1.1rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: 40px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.value-card {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.value-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: #667eea;
  font-weight: 600;
}

.value-card p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
  padding: 100px 0;
  background: #f8f9fa;
}

.contact-form-wrapper {
  max-width: 500px;
  margin: 0 auto;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-form h2 {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: #333;
  text-align: center;
  font-weight: 700;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #333;
  font-weight: 600;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
  resize: vertical;
  line-height: 1.5;
}

.contact-form .btn {
  width: 100%;
  text-align: center;
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  line-height: 1.5;
  font-size: 1rem;
}

.btn:focus {
  outline: 2px solid #333;
  outline-offset: 2px;
}

.btn-primary {
  background: #667eea;
  color: white;
}

.btn-primary:hover {
  background: #5568d3;
  transform: translateY(-2px);
}

.btn-primary:focus {
  outline-color: white;
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-secondary:hover {
  background: white;
  color: #667eea;
}

.btn-secondary:focus {
  outline-color: white;
}

.btn-lg {
  padding: 18px 48px;
  font-size: 1.1rem;
}

/* Footer */
footer {
  background: #333;
  color: white;
  padding: 40px 0;
  text-align: center;
  margin-top: 60px;
}

footer a {
  color: #667eea;
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover,
footer a:focus {
  color: #764ba2;
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-image {
    order: -1;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero {
    padding: 80px 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-image img {
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero {
    padding: 60px 0;
  }

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

  .hero-image img {
    max-width: 55%;
  }
}