/* ==================================================
   ROOT VARIABLES
   ================================================== */
:root {
  /* Core Colors */
  --primary-color: #1a5f7a;
  --primary-dark: #124457;
  --primary-light: #57b0d4;
  --secondary-color: #d17842;
  --secondary-dark: #b25b2e;
  --secondary-light: #f6a876;
  
  /* Neutrals */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #495057;
  --black: #212529;
  
  /* UI Colors */
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  
  /* Typography */
  --heading-font: 'Archivo Black', sans-serif;
  --body-font: 'Roboto', sans-serif;
  --base-font-size: 16px;
  --h1-size: 3.5rem;
  --h2-size: 2.5rem;
  --h3-size: 1.75rem;
  --h4-size: 1.5rem;
  --h5-size: 1.25rem;
  --small-size: 0.875rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-sm: 4px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-indices */
  --z-header: 1000;
  --z-overlay: 100;
  --z-modal: 2000;
}

/* ==================================================
   GENERAL STYLES
   ================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--base-font-size);
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

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

h1 { font-size: var(--h1-size); }
h2 { font-size: var(--h2-size); }
h3 { font-size: var(--h3-size); }
h4 { font-size: var(--h4-size); }
h5 { font-size: var(--h5-size); }

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

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

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

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

.section-title {
  position: relative;
  margin-bottom: var(--spacing-md);
  color: var(--black);
  font-weight: 700;
}

.title-underline {
  width: 80px;
  height: 4px;
  background: var(--secondary-color);
  margin: 0 auto 30px;
}

.lead {
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

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

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

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

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

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

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

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
}

.btn-link {
  color: var(--primary-color);
  background: transparent;
  border: none;
  padding: 0;
  font-weight: 500;
  text-decoration: none;
  box-shadow: none;
}

.btn-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
  box-shadow: none;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Container for sections */
.section-container {
  padding: var(--spacing-xl) 0;
}

/* ==================================================
   HEADER & NAVIGATION
   ================================================== */
.header {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 0.5rem 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: 0.2rem 0;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

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

.navbar-nav .nav-link {
  color: var(--dark-gray);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color var(--transition-fast);
}

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

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  outline: none;
  box-shadow: none;
}

/* ==================================================
   HERO SECTION
   ================================================== */
.hero-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  padding: 180px 0 120px;
  overflow: hidden;
}

.hero-section .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
  z-index: var(--z-overlay);
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-section p {
  margin-bottom: var(--spacing-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.scroll-indicator span {
  display: block;
  width: 8px;
  height: 8px;
  background-color: var(--white);
  border-radius: 50%;
  margin: 4px 0;
  animation: scrollIndicator 2s infinite;
  opacity: 0;
}

.scroll-indicator span:nth-child(1) {
  animation-delay: 0s;
}

.scroll-indicator span:nth-child(2) {
  animation-delay: 0.3s;
}

.scroll-indicator span:nth-child(3) {
  animation-delay: 0.6s;
}

@keyframes scrollIndicator {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(20px);
  }
}

/* ==================================================
   ABOUT SECTION
   ================================================== */
.about-section {
  background-color: var(--white);
  padding: var(--spacing-xl) 0;
}

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

.about-section img {
  transition: transform var(--transition-slow);
}

.about-section .image-container:hover img {
  transform: scale(1.05);
}

.about-section h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.progress-container {
  margin-bottom: var(--spacing-md);
}

.progress {
  height: 8px;
  background-color: var(--medium-gray);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.progress-bar {
  background-color: var(--primary-color);
  transition: width var(--transition-slow);
}

/* ==================================================
   PRICING/SERVICES SECTION
   ================================================== */
.pricing-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--light-gray);
}

.pricing-card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--primary-light);
  z-index: 1;
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-5px);
}

.pricing-card .card-header {
  background-color: var(--white);
  border-bottom: 1px solid var(--medium-gray);
  padding: var(--spacing-md) var(--spacing-sm);
  position: relative;
}

.pricing-card .badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
}

.pricing-card h3 {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  color: var(--black);
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.pricing-card .currency {
  font-size: 1.5rem;
  vertical-align: super;
}

.pricing-card .period {
  font-size: 0.875rem;
  color: var(--dark-gray);
  font-weight: 400;
}

.pricing-card .card-body {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pricing-card .card-image {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.pricing-card .card-image img {
  border-radius: var(--border-radius);
  height: 200px;
  width: 100%;
  object-fit: cover;
}

.pricing-card ul {
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.pricing-card ul li {
  margin-bottom: var(--spacing-xs);
  position: relative;
  padding-left: 25px;
}

.pricing-card ul li .check-icon::before {
  content: "✓";
  color: var(--success);
  position: absolute;
  left: 0;
  top: 0;
}

/* ==================================================
   PROJECTS SECTION
   ================================================== */
.projects-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.project-card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.project-card .card-image {
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .card-image img {
  transform: scale(1.05);
}

.project-card .card-content {
  background-color: var(--white);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.project-stats {
  font-size: var(--small-size);
  color: var(--dark-gray);
  border-top: 1px solid var(--medium-gray);
  padding-top: var(--spacing-xs);
}

/* ==================================================
   RESOURCES SECTION
   ================================================== */
.resources-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--light-gray);
}

.resource-card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
  height: 100%;
}

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

.resource-card .card-body {
  padding: var(--spacing-md);
}

.resource-card h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.resource-card .card-text {
  margin-bottom: var(--spacing-md);
  flex: 1;
}

/* ==================================================
   CLIENTELE SECTION
   ================================================== */
.clientele-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.client-logo {
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
}

.client-logo:hover {
  transform: translateY(-5px);
}

.client-logo img {
  max-width: 150px;
  height: 80px;
  object-fit: contain;
  opacity: 0.8;
  transition: opacity var(--transition-normal);
}

.client-logo:hover img {
  opacity: 1;
}

.client-logo p {
  margin-top: var(--spacing-xs);
  font-size: var(--small-size);
  color: var(--dark-gray);
}

.testimonial-card {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  background-color: var(--white);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.testimonial-content {
  display: flex;
  align-items: flex-start;
}

.testimonial-img {
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.testimonial-img img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-light);
}

.testimonial-text {
  flex: 1;
}

.testimonial-text p {
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text h5 {
  margin-bottom: 0;
  color: var(--primary-color);
}

.testimonial-position {
  font-size: var(--small-size);
  color: var(--dark-gray);
  margin-bottom: 0;
}

/* ==================================================
   RESEARCH SECTION
   ================================================== */
.research-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--light-gray);
}

.research-section .image-container {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.research-section img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.research-list {
  list-style-type: none;
  margin-bottom: var(--spacing-md);
}

.research-list li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px dashed var(--medium-gray);
  position: relative;
  padding-left: 20px;
}

.research-list li:before {
  content: "→";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

.research-list li:last-child {
  border-bottom: none;
}

/* ==================================================
   BLOG SECTION
   ================================================== */
.blog-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.blog-card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.blog-card .card-image {
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .card-image img {
  transform: scale(1.05);
}

.blog-card .card-content {
  background-color: var(--white);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-date {
  font-size: var(--small-size);
  color: var(--dark-gray);
  margin-bottom: var(--spacing-xs);
}

.blog-card h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.blog-card p {
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.blog-card .btn-link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
}

.blog-card .arrow-icon:after {
  content: "→";
  margin-left: 5px;
  transition: transform var(--transition-fast);
}

.blog-card .btn-link:hover .arrow-icon:after {
  transform: translateX(5px);
}

/* ==================================================
   CONTACT SECTION
   ================================================== */
.contact-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.contact-info {
  padding: var(--spacing-md);
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: var(--border-radius-lg);
  height: 100%;
}

.contact-info h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

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

.contact-item {
  display: flex;
  margin-bottom: var(--spacing-md);
}

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

.contact-item h5 {
  color: var(--white);
  margin-bottom: var(--spacing-xs);
}

.contact-item p {
  margin-bottom: 0;
}

.contact-form-container {
  background-color: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
  margin-bottom: var(--spacing-sm);
}

.contact-form label {
  font-weight: 500;
}

.contact-form .form-control {
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(26, 95, 122, 0.25);
}

.contact-form .form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
}

.social-link {
  margin-right: var(--spacing-sm);
  color: var(--primary-light);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-info .social-link {
  color: var(--white);
}

.social-link:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer .social-link {
  color: var(--primary-color);
}

.footer .social-link:hover {
  color: var(--primary-dark);
}

/* ==================================================
   MAP SECTION
   ================================================== */
.map-section {
  height: 450px;
}

.map-container {
  width: 100%;
  height: 100%;
}

/* ==================================================
   FOOTER
   ================================================== */
.footer {
  background-color: var(--light-gray);
  color: var(--dark-gray);
}

.footer h4, .footer h5 {
  color: var(--black);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style-type: none;
  padding-left: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--dark-gray);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  color: var(--dark-gray);
}

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

.footer-bottom a:hover {
  text-decoration: underline;
}

/* ==================================================
   PRIVACY & TERMS PAGES
   ================================================== */
.page-content {
  padding-top: 100px;
  padding-bottom: var(--spacing-xl);
}

/* ==================================================
   SUCCESS PAGE
   ================================================== */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
}

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

.success-icon {
  font-size: 5rem;
  color: var(--success);
  margin-bottom: var(--spacing-md);
}

/* ==================================================
   ANIMATIONS
   ================================================== */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-right"] {
  transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-left"] {
  transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

/* ==================================================
   UTILITIES
   ================================================== */
.icon-location:before { content: "📍"; }
.icon-phone:before { content: "📞"; }
.icon-email:before { content: "✉️"; }
.icon-clock:before { content: "🕒"; }
.check-icon:before { content: "✓"; }
.arrow-icon:after { content: "→"; }

/* ==================================================
   RESPONSIVE STYLES
   ================================================== */
@media (max-width: 1199.98px) {
  :root {
    --h1-size: 3rem;
    --h2-size: 2.25rem;
    --h3-size: 1.5rem;
  }
  
  .hero-section {
    padding: 150px 0 100px;
  }
}

@media (max-width: 991.98px) {
  :root {
    --h1-size: 2.5rem;
    --h2-size: 2rem;
    --h3-size: 1.25rem;
  }
  
  .hero-section {
    padding: 120px 0 80px;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-10px);
  }
  
  .testimonial-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .testimonial-img {
    margin-right: 0;
    margin-bottom: var(--spacing-sm);
  }
}

@media (max-width: 767.98px) {
  :root {
    --h1-size: 2.25rem;
    --h2-size: 1.75rem;
    --spacing-xl: 3rem;
  }
  
  .hero-section {
    padding: 100px 0 60px;
  }
  
  .contact-info {
    margin-bottom: var(--spacing-md);
  }
}

@media (max-width: 575.98px) {
  :root {
    --base-font-size: 14px;
    --h1-size: 2rem;
    --h2-size: 1.5rem;
    --spacing-xl: 2.5rem;
  }
  
  .btn {
    padding: 0.6rem 1.2rem;
  }
  
  .btn-lg {
    padding: 0.8rem 1.6rem;
  }
}