:root {
  --primary: #4361ee;
  --primary-dark: #3a56d4;
  --dark: #1a1a2e;
  --light: #f8f9fa;
  --gray: #6c757d;
  --border: #e9ecef;
  --card-bg: #ffffff;
  --text: #212529;
  --text-light: #495057;
}

.dark-mode {
  --dark: #f8f9fa;
  --light: #1a1a2e;
  --border: #2d3748;
  --card-bg: #252940;
  --text: #f8f9fa;
  --text-light: #adb5bd;
  --footer-bg: #0f0f1a;
  --footer-text: #e2e2e2;
  --footer-link: #a5b4fc;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s, color 0.3s;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--light);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Header */
header {
  background-color: var(--card-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo i {
  font-size: 2rem;
  color: var(--primary);
  margin-right: 10px;
}

.logo h1 {
  font-size: 1.8rem;
  font-weight: 700;
}

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

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  display: flex;
  align-items: center;
}

nav ul li a i {
  margin-right: 8px;
  font-size: 1.1rem;
}

/* Dark Mode Toggle */
.theme-toggle {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: 20px;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
}

.dark-mode .theme-toggle {
  color: var(--text);
  border-color: var(--text);
}

.dark-mode .theme-toggle:hover {
  background-color: var(--text);
  color: var(--dark);
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(248, 249, 250, 1) 100%);
}

.dark-mode .hero {
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(26, 26, 46, 1) 100%);
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

/* Services Section */
.services {
  padding: 100px 0;
  background-color: var(--card-bg);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

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

.section-title p {
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
  border: 1px solid var(--border);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-img {
  height: 200px;
  overflow: hidden;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.service-card:hover .service-img img {
  transform: scale(1.1);
}

.service-content {
  padding: 20px;
}

.service-content h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.service-content h3 i {
  margin-right: 10px;
  color: var(--primary);
}

.service-content p {
  color: var(--text-light);
  margin-bottom: 20px;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background-color: var(--light);
}

.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}

.contact-info {
  display: grid;
  gap: 30px;
}

.info-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
  border: 1px solid var(--border);
}

.info-card:hover {
  transform: translateY(-5px);
}

.info-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.info-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

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

#contact-form {
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  background-color: var(--light);
  color: var(--text);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

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

.btn-submit {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

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

.error-message {
  color: #dc3545;
  font-size: 0.9rem;
  margin-top: 5px;
  display: none;
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 5px 20px rgba(37, 211, 102, 0.3);
  z-index: 100;
  transition: all 0.3s;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: 20px
}

.footer-links a, .footer-contact p {
  color: var(--footer-text);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--footer-text);
}

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

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}

.footer-logo i {
  margin-right: 10px;
  color: var(--primary);
}

.footer-about p {
  color: #adb5bd;
  margin-bottom: 20px;
}

.footer-links h3, .footer-contact h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #adb5bd;
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-contact p {
  color: #adb5bd;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.footer-contact i {
  margin-right: 10px;
  color: var(--primary);
  width: 20px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  color: #adb5bd;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }

  .menu-toggle {
    display: block;
  }
}