/* --- Global Reset & Variables --- */
:root {
  --primary-blue: #0f4c81; /* Deep, trustworthy construction blue */
  --light-blue: #eef5fc; /* Soft background blue */
  --accent-blue: #2d8cf0; /* Vibrant action/link blue */
  --dark-neutral: #1a2530; /* Dark charcoal for high text readability */
  --light-neutral: #ffffff; /* Pure white */
  --gray-text: #606f7b; /* Subtle description text color */
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Global Section Styling Utility */
section {
  padding: 80px 10%;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--accent-blue);
  color: var(--light-neutral);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

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

/* --- Header & Navigation Styles --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--light-neutral);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--accent-blue);
  font-weight: 400;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: var(--dark-neutral);
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-blue);
}

/* Call to Action Button inside navbar */
.btn-nav {
  background-color: var(--primary-blue);
  color: var(--light-neutral);
  padding: 8px 20px;
  border-radius: 4px;
}

.btn-nav:hover {
  background-color: var(--accent-blue);
  color: var(--light-neutral);
}

/* Hamburger Icon for Mobile */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-blue);
  cursor: pointer;
}

/* --- Responsive Desktop Breakpoint --- */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--light-neutral);
    flex-direction: column;
    padding: 20px;
    gap: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    display: none; /* Hidden by default on mobile */
  }

  .nav-menu.active {
    display: flex; /* Shown when toggled via JS */
  }
}

/* --- Hero Section Styles --- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  /* High-quality construction placeholder image */
  background: url("../images/hero/img-1-hero.jpg") no-repeat center center/cover;
  text-align: center;
  color: var(--light-neutral);
  padding-top: 100px; /* Accounts for fixed navbar height */
}

/* Semi-transparent dark blue overlay to improve text readability */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(15, 76, 129, 0.85),
    rgba(26, 37, 48, 0.75)
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Secondary outline button styling */
.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--light-neutral);
  color: var(--light-neutral);
}

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

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
}

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

.about-container {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.about-content {
  flex: 1;
}

.sub-title {
  color: var(--accent-blue);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 10px;
}

.about-content h2 {
  font-size: 2.5rem;
  color: var(--primary-blue);
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-lead {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-neutral);
  margin-bottom: 20px;
}

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

/* Mission & Vision Styling */
.mission-vision {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.mv-box {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.mv-icon {
  background-color: var(--light-blue);
  color: var(--primary-blue);
  width: 50px;
  height: 50px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.mv-text h3 {
  font-size: 1.2rem;
  color: var(--primary-blue);
  margin-bottom: 5px;
}

.mv-text p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Image Column and Badge Layout */
.about-image {
  flex: 1;
  position: relative;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.experience-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background-color: var(--primary-blue);
  color: var(--light-neutral);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(15, 76, 129, 0.3);
  text-align: center;
}

.badge-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.badge-text {
  font-size: 0.85rem;
  text-transform: uppercase;
}

/* --- Responsive Layout --- */
@media (max-width: 992px) {
  .about-container {
    flex-direction: column-reverse;
    gap: 40px;
  }

  .about-image {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }

  .experience-badge {
    left: 20px;
  }
}

/* --- Enhanced Services Section Styles --- */
.services {
  background-color: var(--light-blue);
  text-align: center;
}

.services-header {
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.services-header h2 {
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.services-header p {
  color: var(--gray-text);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Image Background Card Base */
.service-card {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 8px;
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

/* Dark blue tint overlay to protect readability */
.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top,
    rgba(15, 76, 129, 0.95) 40%,
    rgba(26, 37, 48, 0.6)
  );
  z-index: 1;
  transition: var(--transition);
}

/* Card Content Container */
.card-content {
  position: relative;
  z-index: 2;
  padding: 40px 30px;
  text-align: left;
  transition: var(--transition);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--accent-blue);
  margin-bottom: 15px;
  transition: var(--transition);
}

.service-card h3 {
  font-size: 1.4rem;
  color: var(--light-neutral);
  margin-bottom: 12px;
}

.service-card p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

/* --- Hover Effects --- */
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(15, 76, 129, 0.3);
}

/* Brightens the image slightly on hover and shifts content layout */
.service-card:hover .card-overlay {
  background: linear-gradient(
    to top,
    rgba(15, 76, 129, 0.98) 60%,
    rgba(26, 37, 48, 0.4)
  );
}

.service-card:hover .service-icon {
  color: var(--light-neutral);
  transform: scale(1.1);
}

/* --- Responsive Adjustments --- */
@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Review Section Styles --- */
.reviews {
  background-color: var(--light-neutral);
  text-align: center;
}

.reviews-header {
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.reviews-header h2 {
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.reviews-header p {
  color: var(--gray-text);
}

/* Flexbox/Grid Layout for Reviews */
.reviews-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Individual Review Card */
.review-card {
  background-color: var(--light-blue);
  padding: 35px;
  border-radius: 8px;
  text-align: left;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(15, 76, 129, 0.1);
}

/* Star Colors */
.rating-stars {
  color: #ffb400; /* Warm construction gold/amber */
  font-size: 1.1rem;
  margin-bottom: 15px;
}

.review-text {
  font-style: italic;
  color: var(--dark-neutral);
  font-size: 0.95rem;
  margin-bottom: 25px;
  line-height: 1.6;
}

/* Client Info Container */
.client-info {
  display: flex;
  align-items: center;
  gap: 15px;
  border-top: 1px solid rgba(15, 76, 129, 0.1);
  padding-top: 20px;
}

.client-img img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-blue);
}

.client-details h4 {
  font-size: 1rem;
  color: var(--primary-blue);
  margin-bottom: 2px;
}

.client-details span {
  font-size: 0.8rem;
  color: var(--gray-text);
  display: block;
}

/* --- Project Showcase Section Styles --- */
.projects {
  background-color: var(--light-blue);
  text-align: center;
}

.projects-header {
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.projects-header h2 {
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.projects-header p {
  color: var(--gray-text);
}

/* Grid Layout for Gallery */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Individual Portfolio Item wrapper */
.project-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  height: 280px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: var(--transition);
}

/* Hidden Overlay that slides up beautifully on hover */
.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top,
    rgba(15, 76, 129, 0.95),
    rgba(26, 37, 48, 0.4)
  );
  display: flex;
  align-items: flex-end;
  padding: 30px;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.project-info {
  text-align: left;
  transform: translateY(20px);
  transition: var(--transition);
}

.project-info span {
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 5px;
}

.project-info h3 {
  color: var(--light-neutral);
  font-size: 1.25rem;
  font-weight: 700;
}

/* --- Gallery Interactions --- */
.project-item:hover img {
  transform: scale(1.1); /* Subtle magnification effect */
}

.project-item:hover .project-overlay {
  opacity: 1;
}

.project-item:hover .project-info {
  transform: translateY(0);
}

/* --- Responsive Layout Adjustments --- */
@media (max-width: 480px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

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

.contact-header {
  max-width: 700px;
  margin: 0 auto 50px auto;
  text-align: center;
}

.contact-header h2 {
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.contact-header p {
  color: var(--gray-text);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-info h3 {
  font-size: 1.5rem;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.contact-info > p {
  color: var(--gray-text);
  margin-bottom: 30px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 25px;
}

.info-icon {
  background-color: var(--light-blue);
  color: var(--primary-blue);
  width: 45px;
  height: 45px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-item h4 {
  font-size: 1rem;
  color: var(--primary-blue);
  margin-bottom: 2px;
}

.info-item p {
  color: var(--gray-text);
  font-size: 0.95rem;
}

/* Form Styles */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background-color: var(--light-blue);
  padding: 40px;
  border-radius: 8px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: span 2;
}

.contact-form label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-blue);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 12px;
  border: 1px solid rgba(15, 76, 129, 0.2);
  border-radius: 4px;
  font-family: "Poppins", sans-serif;
  font-size: 0.95rem;
  background-color: var(--light-neutral);
  color: var(--dark-neutral);
  outline: none;
  transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(45, 140, 240, 0.15);
}

.btn.full-width {
  grid-column: span 2;
  width: 100%;
  text-align: center;
}

/* Footer Styles */
.footer {
  background-color: var(--dark-neutral);
  color: var(--light-neutral);
  padding: 60px 10% 20px 10%;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto 40px auto;
}

.footer-brand .logo {
  color: var(--light-neutral);
  margin-bottom: 15px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer-links h4,
.footer-social h4 {
  font-size: 1.1rem;
  color: var(--accent-blue);
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 10px;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--light-neutral);
  transform: translateX(5px);
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--light-neutral);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* --- Responsive Layout for Contact & Footer --- */
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 576px) {
  .contact-form {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .form-group.full-width,
  .btn.full-width {
    grid-column: span 1;
  }
}

/* Services Page */
/* --- Detailed Service Rows on Services Page --- */
.service-details-page {
  padding: 80px 10%;
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 70px;
}

.service-row {
  display: flex;
  align-items: center;
  gap: 50px;
  background-color: var(--light-blue);
  padding: 40px;
  border-radius: 8px;
}

.service-row.reverse {
  flex-direction: row-reverse;
}

.service-row-img {
  flex: 1;
  height: 300px;
  border-radius: 6px;
  overflow: hidden;
}

.service-row-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-row-text {
  flex: 1.2;
  text-align: left;
}

.service-row-text h2 {
  color: var(--primary-blue);
  font-size: 1.8rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-row-text h2 i {
  color: var(--accent-blue);
  font-size: 1.4rem;
}

.service-row-text p {
  color: var(--gray-text);
  margin-bottom: 25px;
}

@media (max-width: 992px) {
  .service-row,
  .service-row.reverse {
    flex-direction: column;
    padding: 25px;
    gap: 30px;
  }
  .service-row-img {
    width: 100%;
    height: 220px;
  }
}