:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #94a3b8;
  --accent: #f59e0b;
  --text: #f1f5f9;
  --text-light: #94a3b8;
  --bg: #0f172a;
  --bg-alt: #1e293b;
  --white: #ffffff;
  --black: #000000;
  --success: #22c55e;
  --border: #334155;
  --shadow: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --header-height: 70px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}

ul {
  list-style: none;
}

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

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

.section {
  padding: 100px 0;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
  text-align: center;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25d366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background-color: #128c7e;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text);
  font-weight: 800;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 4rem;
}

/* Header */
header {
  height: var(--header-height);
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-light);
}

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

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

/* Hero Section */
.hero {
  padding: 180px 0 120px;
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent),
              radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.05), transparent);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text);
  font-weight: 800;
}

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

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
}

.hero-btns {
  display: flex;
  gap: 20px;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

.floating-card {
  position: absolute;
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(10px);
  padding: 15px 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
}

.card-1 { top: 20%; left: -40px; }
.card-2 { bottom: 10%; right: -20px; }

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--bg-alt);
  padding: 40px;
  border-radius: 16px;
  transition: 0.4s;
  border: 1px solid var(--border);
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 15px;
  font-size: 1.5rem;
  color: var(--text);
}

/* Why Choose Us */
.why-us {
  background-color: var(--bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
}

.feature-item {
  text-align: center;
  padding: 20px;
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

/* Results */
.results {
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  color: var(--white);
}

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

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}

.result-number {
  font-size: 3.5rem;
  font-weight: 800;
  display: block;
  margin-bottom: 10px;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: var(--bg-alt);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--border);
  position: relative;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.testimonial-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.testimonial-info h4 {
  color: var(--text);
  margin-bottom: 2px;
}

.testimonial-info span {
  color: var(--text-light);
  font-size: 0.85rem;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Contact */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.info-item {
  background: var(--bg-alt);
  padding: 30px;
  border-radius: 16px;
  border: 1px solid var(--border);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.info-icon {
  font-size: 1.5rem;
  color: var(--primary);
}

/* Footer */
footer {
  background-color: #020617;
  color: var(--white);
  padding: 80px 0 30px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  display: block;
  color: var(--primary);
}

.footer-links h4 {
  margin-bottom: 25px;
  font-size: 1.2rem;
}

.footer-links a {
  display: block;
  margin-bottom: 12px;
  color: var(--text-light);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 30px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: white;
  width: 65px;
  height: 65px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 10px 25px -5px rgba(37, 211, 102, 0.5);
  z-index: 1000;
  transition: 0.3s;
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(10deg);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .hero-btns {
    justify-content: center;
  }
  
  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .card-1 { left: 0; }
  .card-2 { right: 0; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg);
    flex-direction: column;
    padding: 30px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-btns {
    flex-direction: column;
  }
}