/* Base Styles */
:root {
  --primary-green: #1b5e20;
  --primary-blue: #0a2540;
  --accent-gold: #ffc107;
  --accent-teal: #00897b;
  --neutral-light: #f5f5f5;
  --neutral-white: #ffffff;
  --neutral-dark: #37474f;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --border-radius: 0.375rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  color: var(--neutral-dark);
  background-color: var(--neutral-white);
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

section {
  padding: 5rem 0;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-blue);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  h3 {
    font-size: 1.75rem;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

.btn:hover::after {
  width: 300%;
  height: 300%;
}

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

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

.btn-accent {
  background-color: var(--accent-gold);
  color: var(--primary-blue);
}

.btn-accent:hover {
  background-color: #ffd54f;
}

.btn-full {
  width: 100%;
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.section-divider {
  position: relative;
  height: 4px;
  width: 80px;
  background-color: var(--primary-green);
  margin: 1rem auto;
  border-radius: 2px;
}

.section-divider::before,
.section-divider::after {
  content: "";
  position: absolute;
  top: 0;
  height: 4px;
  width: 15px;
  background-color: var(--accent-gold);
  border-radius: 2px;
}

.section-divider::before {
  left: -20px;
}

.section-divider::after {
  right: -20px;
}

.section-intro {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  background-color: transparent;
  padding: 0.5rem 0;
}

.header.scrolled {
  background-color: var(--neutral-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  flex-shrink: 0;
  transition: var(--transition);
}

.logo img {
  height: 45px;
  width: auto;
  transition: var(--transition);
}

.header.scrolled .logo img {
  height: 40px;
}

.logo-dark {
  display: none;
}

.logo-light {
  display: block;
}

.header.scrolled .logo-dark {
  display: block;
}

.header.scrolled .logo-light {
  display: none;
}

.desktop-nav {
  display: none;
}

.desktop-nav ul {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--neutral-white);
  position: relative;
  padding: 0.5rem 0;
}

.header.scrolled .nav-link {
  color: var(--primary-blue);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  background: transparent;
  border: none;
  color: var(--neutral-white);
  font-size: 1.5rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.header.scrolled .mobile-menu-btn {
  color: var(--primary-blue);
  background-color: rgba(10, 37, 64, 0.05);
}

.mobile-menu-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.header.scrolled .mobile-menu-btn:hover {
  background-color: rgba(10, 37, 64, 0.1);
}

.mobile-menu {
  position: absolute;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--neutral-white);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  padding: 0;
  display: none;
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.3s ease;
  overflow: hidden;
  max-height: 0;
}

.mobile-menu.active {
  display: block;
  transform: translateY(0);
  opacity: 1;
  max-height: 500px;
  padding: 1rem 0;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
}

.mobile-menu .nav-link {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--primary-blue);
  border-left: 3px solid transparent;
  transition: all 0.3s ease;
}

.mobile-menu .nav-link:hover {
  background-color: rgba(10, 37, 64, 0.05);
  color: var(--primary-green);
  border-left: 3px solid var(--primary-green);
}

@media (min-width: 768px) {
  .desktop-nav {
    display: block;
  }

  .mobile-menu-btn {
    display: none;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--neutral-white);
  text-align: center;
  padding: 8rem 0 5rem;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("images/hero-background.jpg");
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(10, 37, 64, 0.8), rgba(10, 37, 64, 0.6));
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--neutral-white);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  font-size: 2.8rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.btn-hero {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.hero-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact-item i {
  font-size: 1.25rem;
  color: var(--accent-gold);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 2;
  animation: bounce 2s infinite;
}

.scroll-indicator a {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--neutral-white);
  font-size: 0.875rem;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.scroll-indicator a:hover {
  opacity: 1;
}

.scroll-indicator span {
  margin-bottom: 0.5rem;
}

.scroll-indicator i {
  font-size: 1.25rem;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-10px) translateX(-50%);
  }
  60% {
    transform: translateY(-5px) translateX(-50%);
  }
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.5rem;
  }

  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }

  .hero-contact {
    flex-direction: row;
    gap: 2rem;
  }
}

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

/* Services Section */
.services {
  background-color: var(--neutral-light);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.service-card {
  background-color: var(--neutral-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.service-icon {
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Why Choose Us Section */
.why-choose-us {
  background-color: var(--neutral-white);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: rgba(0, 137, 123, 0.1);
  color: var(--accent-teal);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Testimonials Section */
.testimonials {
  background-color: rgba(0, 137, 123, 0.1);
}

.testimonial-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-slides {
  position: relative;
  overflow: hidden;
  min-height: 300px;
}

.testimonial-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease;
  background-color: var(--neutral-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.testimonial-slide.active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  color: rgba(27, 94, 32, 0.2);
  margin-bottom: 1rem;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 2rem;
}

.testimonial-author img {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.testimonial-prev,
.testimonial-next {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--neutral-light);
  color: var(--primary-blue);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.testimonial-prev:hover,
.testimonial-next:hover {
  background-color: var(--primary-green);
  color: var(--neutral-white);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.contact-info,
.contact-form-container {
  background-color: var(--neutral-light);
  border-radius: var(--border-radius);
  padding: 2rem;
}

.info-items {
  margin-top: 1.5rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.info-item i {
  color: var(--primary-green);
  font-size: 1.25rem;
  margin-right: 1rem;
  margin-top: 0.25rem;
}

.info-label {
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 0.25rem;
}

.contact-form {
  margin-top: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  background-color: var(--neutral-white);
  font-family: inherit;
  font-size: 1rem;
}

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 2px rgba(27, 94, 32, 0.2);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Footer */
.footer {
  background-color: var(--primary-blue);
  color: var(--neutral-white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--neutral-white);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--accent-gold);
  color: var(--primary-blue);
}

.footer h3 {
  color: var(--neutral-white);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

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

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

.footer-contact li {
  display: flex;
  align-items: center;
}

.footer-contact i {
  color: var(--accent-gold);
  margin-right: 1rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.footer-legal a:hover {
  color: var(--accent-gold);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Modern Touches */
.service-card,
.feature,
.contact-info,
.contact-form-container {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover,
.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

input,
textarea,
button {
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Active navigation state */
.nav-link.active::after {
  width: 100%;
}

.desktop-nav .nav-link.active {
  color: var(--accent-gold);
}

.header.scrolled .desktop-nav .nav-link.active {
  color: var(--primary-green);
}

.mobile-menu .nav-link.active {
  background-color: rgba(10, 37, 64, 0.05);
  color: var(--primary-green);
  border-left: 3px solid var(--primary-green);
}

/* Reveal animations */
.section-header,
.service-card,
.feature,
.testimonial-container {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-header.revealed,
.service-card.revealed,
.feature.revealed,
.testimonial-container.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger service cards animation */
.services-grid {
  --stagger-delay: 0.1s;
}

.service-card:nth-child(1) {
  transition-delay: calc(var(--stagger-delay) * 1);
}
.service-card:nth-child(2) {
  transition-delay: calc(var(--stagger-delay) * 2);
}
.service-card:nth-child(3) {
  transition-delay: calc(var(--stagger-delay) * 3);
}
.service-card:nth-child(4) {
  transition-delay: calc(var(--stagger-delay) * 4);
}
.service-card:nth-child(5) {
  transition-delay: calc(var(--stagger-delay) * 5);
}
.service-card:nth-child(6) {
  transition-delay: calc(var(--stagger-delay) * 6);
}
.service-card:nth-child(7) {
  transition-delay: calc(var(--stagger-delay) * 7);
}
.service-card:nth-child(8) {
  transition-delay: calc(var(--stagger-delay) * 8);
}