/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
:root {
  /* Color Palette */
  --primary-color: #1F3A5F;    /* Deep Blue - Trust & Professionalism */
  --secondary-color: #2CA6A4;  /* Teal - Growth & Opportunity */
  --accent-color: #E9B44C;     /* Warm Gold - CTAs */
  
  --neutral-white: #FFFFFF;
  --neutral-light: #F5F7FA;
  --neutral-dark: #2B2B2B;
  --neutral-gray: #6B7280;
  
  --overlay-gradient: linear-gradient(135deg, rgba(31, 58, 95, 0.9) 0%, rgba(44, 166, 164, 0.8) 100%);

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Border Radius */
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--neutral-dark);
  background-color: var(--neutral-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

/* ==========================================================================
   Layout & Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

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

.section-subtitle {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  color: var(--neutral-gray);
  font-size: 1.125rem;
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.875rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: #d19f3f;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

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

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

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--neutral-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--neutral-dark);
}

.nav-links a:hover {
  color: var(--secondary-color);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  margin-bottom: 5px;
  transition: all var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background-image: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--neutral-white);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-gradient);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-title {
  color: var(--neutral-white);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-sm);
  animation: fadeUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
  animation: fadeUp 1s ease-out 0.2s both;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  animation: fadeUp 1s ease-out 0.4s both;
}

.trust-indicators {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  animation: fadeUp 1s ease-out 0.6s both;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(5px);
}

.trust-item i {
  color: var(--accent-color);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
  background-color: var(--neutral-white);
}

.about-grid {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-lg);
}

.about-content p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
  color: var(--neutral-gray);
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.service-card {
  background: var(--neutral-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-align: center;
  border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary-color);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: rgba(44, 166, 164, 0.1);
  color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
  font-size: 2rem;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
  background: var(--secondary-color);
  color: var(--neutral-white);
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  color: var(--neutral-gray);
  margin-bottom: var(--spacing-sm);
}

.service-link {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.service-link i {
  transition: transform var(--transition-fast);
}

.service-link:hover i {
  transform: translateX(5px);
}

/* ==========================================================================
   Why Choose Us Section
   ========================================================================== */
.features {
  background-color: var(--primary-color);
  color: var(--neutral-white);
}

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

.features .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.features-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.feature-item {
  text-align: center;
  padding: var(--spacing-md);
}

.feature-item i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
}

.feature-item h3 {
  color: var(--neutral-white);
}

.feature-item p {
  color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Reviews Section
   ========================================================================== */
.reviews-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.review-card {
  background: var(--neutral-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.review-stars {
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.review-text {
  font-style: italic;
  color: var(--neutral-gray);
  margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta {
  background: var(--overlay-gradient);
  color: var(--neutral-white);
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.cta-title {
  color: var(--neutral-white);
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.cta-text {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
  background-color: var(--neutral-white);
}

.contact-grid {
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-info {
  background: var(--neutral-light);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: var(--spacing-md);
}

.contact-item i {
  color: var(--secondary-color);
  font-size: 1.5rem;
  margin-top: 0.2rem;
}

.contact-item h4 {
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--neutral-gray);
}

.map-container {
  margin-top: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 250px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(44, 166, 164, 0.1);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--neutral-dark);
  color: var(--neutral-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
  color: var(--neutral-white);
  margin-bottom: var(--spacing-sm);
  display: inline-block;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-sm);
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
}

.footer-links h4 {
  color: var(--neutral-white);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.footer-links h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.5rem;
  width: 30px;
  height: 2px;
  background-color: var(--secondary-color);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--neutral-white);
    flex-direction: column;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.3s ease-in-out;
  }

  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .mobile-menu-btn {
    display: block;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   WhatsApp Floating Button
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 35px;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  color: #FFF;
  transform: translateY(-5px) scale(1.05);
  box-shadow: 2px 5px 15px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
    font-size: 30px;
  }
}