/* Base Styles */
:root {
  --primary: #00AEEF;
  --primary-dark: #0096cc;
  --primary-light: #33bef2;
  --dark-gray: #4A4A4A;
  --darker-gray: #333333;
  --medium-gray: #666666;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --black: #000000;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --transition-speed: 0.3s;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--darker-gray);
  overflow-x: hidden;
  background-color: var(--white);
}

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

a {
  text-decoration: none;
  color: var(--primary);
  transition: color var(--transition-speed);
}

a:hover {
  color: var(--primary-dark);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-padding {
  padding: var(--spacing-xxl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--darker-gray);
  margin-bottom: var(--spacing-sm);
}

.section-subheading {
  font-size: 1.2rem;
  color: var(--medium-gray);
  margin-top: var(--spacing-md);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.divider {
  width: 80px;
  height: 4px;
  background-color: var(--primary);
  margin: 0 auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--darker-gray);
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.8rem;
}

h4 {
  font-size: 1.3rem;
}

p {
  margin-bottom: var(--spacing-md);
}

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

.text-primary {
  color: var(--primary);
}

.brand-highlight {
  color: var(--primary);
  font-weight: 700;
}

.hashtag {
  color: var(--primary);
  font-weight: 600;
}

/* Header and Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  transition: background-color var(--transition-speed), padding var(--transition-speed);
  padding: var(--spacing-md) 0;
}

header.scrolled {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo img {
  max-height: 60px;
  transition: max-height var(--transition-speed);
}

header.scrolled .logo img {
  max-height: 45px;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-menu li {
  margin-left: var(--spacing-lg);
}

.nav-link {
  color: var(--darker-gray);
  font-weight: 500;
  transition: color var(--transition-speed);
}

.nav-link:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--darker-gray);
  margin-bottom: 5px;
  transition: transform var(--transition-speed), opacity var(--transition-speed);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%), url('https://images.pexels.com/photos/3182812/pexels-photo-3182812.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
  background-size: cover;
  background-position: center;
  padding: 180px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 650px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: var(--spacing-sm);
}

.hero h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--dark-gray);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-gray);
  font-weight: 500;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--medium-gray);
  margin-bottom: var(--spacing-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  z-index: 0;
}

.hero-shape {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 174, 239, 0.1);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.pulse-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background-color: rgba(0, 174, 239, 0.05);
  animation: pulse 3s ease-in-out infinite;
}

/* About Section */
.about {
  background-color: var(--light-gray);
}

.about-content {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  font-size: 1.1rem;
}

.about-boxes {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.about-box {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  flex: 1;
  min-width: 250px;
  max-width: 350px;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.about-box i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.about-box h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-sm);
}

.about-box p {
  color: var(--medium-gray);
  margin-bottom: 0;
}

/* Services Section */
.services-tabs {
  margin-top: var(--spacing-xl);
}

.tabs-header {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-sm);
}

.tab-button {
  background-color: transparent;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark-gray);
  cursor: pointer;
  transition: color var(--transition-speed), background-color var(--transition-speed);
  border-radius: var(--border-radius-sm);
}

.tab-button:hover {
  color: var(--primary);
}

.tab-button.active {
  color: var(--white);
  background-color: var(--primary);
}

.tabs-content {
  position: relative;
  min-height: 400px;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease forwards;
}

.tab-content.active {
  display: block;
}

.tab-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.tab-header i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.tab-header p {
  color: var(--medium-gray);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

.service-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.service-item {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.service-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.service-item i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.service-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0;
}

/* Why Choose Us Section */
.why-us {
  background-color: var(--light-gray);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.why-us-item {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-speed);
  position: relative;
  overflow: hidden;
}

.why-us-item:hover {
  transform: translateY(-5px);
}

.why-us-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background-color: rgba(0, 174, 239, 0.1);
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
}

.why-us-icon i {
  font-size: 1.8rem;
  color: var(--primary);
}

.why-us-item h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-sm);
}

.why-us-item p {
  color: var(--medium-gray);
  margin-bottom: 0;
}

.why-us-cta {
  text-align: center;
  margin-top: var(--spacing-xxl);
  padding: var(--spacing-lg);
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.why-us-cta h3 {
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
}

/* Contact Section */
.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.contact-item {
  margin-bottom: var(--spacing-lg);
}

.contact-item i {
  color: var(--primary);
  font-size: 1.5rem;
  margin-right: var(--spacing-sm);
}

.contact-item h4 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}

.contact-item p {
  color: var(--medium-gray);
  margin-bottom: var(--spacing-xs);
}

.social-icons {
  display: flex;
  gap: var(--spacing-sm);
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--light-gray);
  border-radius: 50%;
  transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.social-icons a:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

.social-icons a:hover i {
  color: var(--white);
}

.social-icons i {
  font-size: 1.2rem;
  color: var(--dark-gray);
  transition: color var(--transition-speed);
}

.contact-form {
  flex: 1;
  min-width: 300px;
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid #ddd;
  border-radius: var(--border-radius-sm);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

/* Footer */
footer {
  background-color: var(--darker-gray);
  color: var(--white);
  padding-top: var(--spacing-xxl);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  flex: 1;
  min-width: 250px;
}

.footer-logo img {
  max-width: 120px;
  margin-bottom: var(--spacing-md);
}

.footer-logo p {
  color: #ccc;
}

.footer-links {
  flex: 2;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.footer-column {
  flex: 1;
  min-width: 150px;
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.footer-column ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-column a {
  color: #ccc;
  transition: color var(--transition-speed);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  margin-bottom: 0;
  color: #aaa;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed), visibility var(--transition-speed), background-color var(--transition-speed);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-dark);
}

.back-to-top i {
  font-size: 1.2rem;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero-visual {
    right: -15%;
    width: 350px;
    height: 350px;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    transition: right var(--transition-speed);
    z-index: 1001;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    margin: var(--spacing-sm) 0;
    width: 100%;
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
  }
  
  .hero {
    padding: 120px 0 60px;
    text-align: center;
  }
  
  .hero-content {
    margin: 0 auto;
  }
  
  .hero-visual {
    display: none;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .about-boxes {
    flex-direction: column;
    align-items: center;
  }
  
  .about-box {
    width: 100%;
    max-width: 100%;
  }
  
  .why-us-item {
    text-align: center;
  }
  
  .why-us-icon {
    margin: 0 auto var(--spacing-md);
  }
  
  .footer-content {
    flex-direction: column;
  }
  
  .footer-links {
    justify-content: space-between;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .section-padding {
    padding: var(--spacing-xl) 0;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .tabs-header {
    flex-direction: column;
    align-items: center;
  }
  
  .tab-button {
    width: 100%;
    text-align: center;
  }
  
  .service-item {
    min-height: auto;
  }
  
  .contact-container {
    gap: var(--spacing-lg);
  }
}