/* ================================
   PKA Media - Modern Dark Theme CSS
   ================================ */

:root {
  --primary-dark: #0f1419;
  --secondary-dark: #1a1f2e;
  --accent-color: #00d4ff;
  --accent-secondary: #00a8cc;
  --text-light: #e0e0e0;
  --text-muted: #8a8a8a;
  --success: #00d97e;
  --warning: #ffa500;
  --error: #ff4757;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--primary-dark);
  color: var(--text-light);
  line-height: 1.6;
}

/* ============= HEADER & NAVBAR ============= */
header {
  background-color: var(--secondary-dark);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 212, 255, 0.1);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color);
  text-decoration: none;
  letter-spacing: 2px;
}

.logo:hover {
  color: var(--accent-secondary);
  transition: color 0.3s ease;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--accent-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============= HERO SECTION ============= */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
  padding: 150px 2rem 100px;
  text-align: center;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: var(--text-light);
  font-weight: 700;
  line-height: 1.2;
}

.hero h1 .accent {
  color: var(--accent-color);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--primary-dark);
}

.btn-primary:hover {
  background-color: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

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

.btn-secondary:hover {
  background-color: rgba(0, 212, 255, 0.1);
  transform: translateY(-2px);
}

/* ============= FEATURES SECTION ============= */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 2rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
  color: var(--text-light);
}

.section-title .accent {
  color: var(--accent-color);
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

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

.feature-card {
  background-color: var(--secondary-dark);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.feature-card h3 {
  margin-bottom: 1rem;
  color: var(--text-light);
}

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

/* ============= SERVICES SECTION ============= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, rgba(0, 212, 255, 0.05) 100%);
  padding: 2.5rem;
  border-radius: 10px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--accent-color);
  box-shadow: 0 15px 35px rgba(0, 212, 255, 0.2);
}

.service-card h3 {
  color: var(--accent-color);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.service-card p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.service-card ul {
  list-style: none;
  color: var(--text-muted);
}

.service-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.service-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

/* ============= ABOUT SECTION ============= */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 3rem;
}

.about-text h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-image {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 168, 204, 0.1) 100%);
  min-height: 300px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(0, 212, 255, 0.3);
  font-size: 4rem;
}

/* ============= CONTACT SECTION ============= */
.contact-section {
  background-color: var(--secondary-dark);
  padding: 80px 2rem;
  margin-top: 60px;
}

.contact-content {
  max-width: 1200px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-info {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  font-size: 2rem;
  color: var(--accent-color);
}

.contact-info-text h3 {
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.contact-info-text p {
  color: var(--text-muted);
}

.contact-form {
  max-width: 600px;
  margin: 3rem auto 0;
}

.form-group {
  margin-bottom: 1.5rem;
}

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

input,
textarea {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-dark);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 5px;
  color: var(--text-light);
  font-family: inherit;
  transition: border-color 0.3s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

/* ============= FOOTER ============= */
footer {
  background-color: var(--primary-dark);
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  padding-top: 1.5rem;
}

/* ============= RESPONSIVE DESIGN ============= */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--secondary-dark);
    padding: 1rem;
    gap: 0;
  }

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

  .nav-links a {
    padding: 0.75rem;
  }

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

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

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

  .hero {
    padding: 120px 1.5rem 80px;
  }

  .section {
    padding: 60px 1.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .btn {
    width: 100%;
  }

  .footer-links {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  nav {
    padding: 1rem;
  }

  .logo {
    font-size: 1.3rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero {
    padding: 100px 1rem 60px;
  }

  .section {
    padding: 40px 1rem;
  }

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

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