/* ===============================================
   HEADER & NAVIGATION
   =============================================== */

.header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--gray-300);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-16) var(--space-24);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.logo img {
  height: 80px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

/* Main Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-24);
}

.nav a {
  color: var(--primary-700);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding: var(--space-8) 0;
}

.nav a:hover {
  color: var(--accent-600);
}

.nav a.active {
  color: var(--accent-600);
}

.nav a.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-600);
}

.nav a.btn-primary {
  color: white;
  font-weight: 700;
  padding: 10px 18px;
}

.nav a.btn-primary:hover {
  color: white;
}

.nav a.btn-primary.active::after {
  display: none;
}

/* Hamburger Menu Button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-8);
  width: 44px;
  height: 44px;
  z-index: 1000;
}

.hamburger {
  width: 28px;
  height: 2px;
  background-color: var(--accent-500);
  display: block;
  position: relative;
  transition: background-color var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--accent-500);
  transition: transform var(--transition-normal);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

/* Active hamburger state (X) */
.nav-toggle.active .hamburger {
  background-color: transparent;
}

.nav-toggle.active .hamburger::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .hamburger::after {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ===============================================
   BUTTONS
   =============================================== */

.btn-primary {
  display: inline-block;
  background-color: var(--accent-600);
  color: white;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: background-color var(--transition-fast);
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary:hover {
  background-color: var(--accent-500);
  color: white;
}

.btn-secondary-light {
  display: inline-block;
  background-color: transparent;
  border: 2px solid white;
  color: white;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.btn-secondary-light:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: white;
}

.btn-full {
  width: 100%;
}

/* ===============================================
   HERO SECTION
   =============================================== */
.hero {
  position: relative;
  min-height: 600px;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-40) 0;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 400px;
  object-fit: cover;
  z-index: 1;
  min-height: 100%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3),
    rgba(0, 0, 0, 0.4)
  );
  z-index: 2;
  min-height: 100%;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 950px;
  width: 100%;
  padding: var(--space-24);
  color: white;
}

.hero-eyebrow {
  font-size: var(--fs-300);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  opacity: 0.95;
  margin-bottom: var(--space-8);
  font-weight: 600;
}

.hero-title {
  font-size: var(--fs-600);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-16);
  color: white;
}

.hero-subtitle {
  font-size: var(--fs-400);
  margin-bottom: var(--space-24);
  line-height: 1.6;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: var(--space-16);
  flex-wrap: wrap;
}

/* ===============================================
   CARDS
   =============================================== */

.card {
  background-color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
}

.card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-content {
  padding: var(--space-24);
}

.card-title {
  font-size: var(--fs-600);
  margin-bottom: var(--space-16);
  color: var(--gray-900);
}

.card-text {
  color: var(--gray-700);
  line-height: 1.6;
}

/* ===============================================
   PAGE HERO
   =============================================== */

.page-hero {
  background-color: var(--primary-700);
  background-image: url(/assets/img/page-hero.webp);
  background-size: cover;
  background-position: center;
  color: white;
  padding: var(--space-64) 0 var(--space-40);
  text-align: center;
}

.page-hero-title {
  font-size: var(--fs-800);
  font-weight: 700;
  margin-bottom: var(--space-16);
  color: white;
}

.page-hero-subtitle {
  font-size: var(--fs-500);
  color:white;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===============================================
   SERVICE SECTION
   =============================================== */

.service-hero-image {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-40);
}

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

.service-content {
  margin-bottom: var(--space-40);
}

.service-title {
  font-size: var(--fs-700);
  font-weight: 600;
  margin-bottom: var(--space-24);
  color: var(--primary-700);
}

.service-description {
  font-size: var(--fs-500);
  line-height: 1.7;
  color: var(--gray-700);
}

/* Service Tags */
.service-tags-wrapper {
  margin-bottom: var(--space-40);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.service-tags-wrapper::-webkit-scrollbar {
  display: none;
}

.service-tags {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-24);
}

.service-tag {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  background-color: white;
  padding: var(--space-24);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.service-tag-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-500);
}

.service-tag-text {
  font-size: var(--fs-400);
  font-weight: 500;
  color: var(--gray-900);
  line-height: 1.5;
}

/* ===============================================
   PARTNERS SECTION
   =============================================== */

.partners-section {
  background-color: var(--gray-100);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-16);
}

.partner-card {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.partner-card img {
  width: 150px;
  height: 60px;
  object-fit: contain;
  align-self: flex-start;
}

.partner-card .partner-logo {
  max-width: 72px;
}

.partner-content p {
  font-size: var(--fs-400);
  line-height: 1.6;
  color: var(--gray-700);
}

/* ===============================================
   PROJECTS PAGE
   =============================================== */

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-64);
}

.project-card {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-40);
  box-shadow: var(--shadow-md);
}

.hidden-project {
  display: none;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-32);
  flex-wrap: wrap;
  gap: var(--space-16);
}

.project-title {
  font-size: var(--fs-700);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-16);
}

.project-year {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--gray-700);
  font-size: var(--fs-400);
}

.project-year svg {
  color: var(--accent-500);
}

.project-description {
  margin-bottom: var(--space-32);
}

.project-description h3 {
  font-size: var(--fs-500);
  font-weight: 600;
  margin-bottom: var(--space-16);
  color: var(--gray-900);
}

.project-description ul {
  padding: 0;
}

.project-description li {
  font-size: var(--fs-400);
  color: var(--gray-700);
  padding-left: var(--space-24);
  position: relative;
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.project-description li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-500);
  font-weight: bold;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-8);
}

.project-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.project-img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.load-more-wrapper {
  text-align: center;
  margin-top: var(--space-32);
}

/* ===============================================
   PROJECT TABS
   =============================================== */

.project-tabs {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-40);
  border-bottom: 2px solid var(--gray-300);
}

.project-tab {
  padding: var(--space-8) var(--space-8);
  background: none;
  border: none;
  color: var(--gray-700);
  font-size: var(--fs-500);
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}

.project-tab:hover {
  color: var(--accent-600);
}

.project-tab.active {
  color: var(--accent-600);
  border-bottom-color: var(--accent-600);
}

.project-tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Empty State for Projects in Progress */
.empty-state {
  text-align: center;
  padding: var(--space-64) var(--space-24);
  background-color: var(--gray-100);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin: 0 auto;
}

.empty-state svg {
  color: var(--accent-500);
  margin: 0 auto var(--space-24);
}

.empty-state h3 {
  font-size: var(--fs-600);
  color: var(--gray-900);
  margin-bottom: var(--space-16);
}

.empty-state p {
  font-size: var(--fs-400);
  color: var(--gray-700);
  line-height: 1.6;
  margin: 0;
}

/* ===============================================
   LIGHTBOX
   =============================================== */

.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: var(--space-24);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: var(--space-24);
  right: var(--space-32);
  background: none;
  border: none;
  color: white;
  font-size: 48px;
  cursor: pointer;
  z-index: 10001;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  line-height: 1;
}

.lightbox-close:hover {
  transform: scale(1.1);
}

#lightbox-img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* ===============================================
   CONTACT PAGE
   =============================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  margin-bottom: var(--space-32);
}

.contact-section-title {
  font-size: var(--fs-600);
  font-weight: 600;
  margin-bottom: var(--space-32);
  color: var(--primary-700);
}

/* Contact Form */
.contact-form-wrapper {
  background-color: white;
  padding: var(--space-40);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form-group label {
  font-size: var(--fs-400);
  font-weight: 500;
  color: var(--gray-900);
}

.form-group input,
.form-group textarea {
  padding: var(--space-16);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: var(--fs-400);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-500);
}

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

.form-message {
  display: none;
  margin-top: var(--space-16);
}

.form-success {
  padding: var(--space-16);
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: var(--radius-sm);
}

.form-error {
  padding: var(--space-16);
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  border-radius: var(--radius-sm);
}

/* Contact Info */
.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.contact-info-item {
  display: flex;
  gap: var(--space-16);
  padding: var(--space-24);
  margin-bottom: var(--space-16);
  background-color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-500);
}

.contact-info-content h3 {
  font-size: var(--fs-500);
  font-weight: 600;
  margin-bottom: var(--space-8);
  color: var(--gray-900);
}

.contact-info-content p {
  font-size: var(--fs-400);
  line-height: 1.6;
  color: var(--gray-700);
  margin: 0;
}

.contact-info-content a {
  transition: color var(--transition-fast);
}

.contact-info-content a:hover {
  color: var(--accent-500);
}

/* Map Section */
.map-section {
  margin-top: 0;
  padding: 0;
}

.map-container {
  width: 100%;
  height: 350px;
  overflow: hidden;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ===============================================
   CTA BANNER
   =============================================== */

#cta-placeholder {
  min-height: 280px;
  transition: min-height var(--transition-normal),
    opacity var(--transition-normal);
  contain: layout;
}

#cta-placeholder[style*="display: none"],
#cta-placeholder[style*="display:none"] {
  min-height: 0 !important;
  opacity: 0;
  overflow: hidden;
}

.cta-banner {
  padding: var(--space-64) 0;
  background-color: var(--primary-500);
  background-image: url(/assets/img/page-hero.webp);
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  margin: var(--space-24);
  border-radius: var(--radius-lg);
  min-height: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  contain: layout style paint;
}

.cta-inner {
  width: 100%;
  max-width: var(--container-max);
  padding: 0 var(--space-24);
}

.cta-inner h4 {
  font-size: var(--fs-700);
  margin-bottom: var(--space-24);
  color: white;
  contain: layout;
}

/* ===============================================
   FOOTER
   =============================================== */

.footer {
  border-top: 1px solid var(--gray-300);
  padding: var(--space-32) 0;
  text-align: center;
  background-color: white;
}

.footer-inner {
  color: var(--gray-700);
  font-size: var(--fs-300);
}

/* ===============================================
   RESPONSIVE: TABLET (900px and below)
   =============================================== */

@media (max-width: 900px) {
  /* Navigation */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--primary-700);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px var(--space-32) var(--space-32);
    gap: 0;
    transition: right var(--transition-normal);
    z-index: 999;
    overflow-y: auto;
  }

  .nav.active {
    right: 0;
  }

  .nav.active::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 280px;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }

  .nav a {
    color: white;
    font-size: var(--fs-500);
    padding: var(--space-16) var(--space-24);
    width: 100%;
    border-radius: var(--radius-sm);
  }

  .nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
  }

  .nav a.active {
    color: var(--accent-500);
    background-color: rgba(255, 255, 255, 0.15);
  }

  .nav a.active::after {
    display: none;
  }

  .nav a.btn-primary {
    background-color: var(--accent-600);
    margin: var(--space-16) 0 0 0;
    text-align: center;
  }

  .nav-toggle {
    display: block;
  }

  /* Hero */
  .hero {
    min-height: 600px;
    padding: var(--space-40) 0;
  }

  .hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 100%;
    padding: var(--space-24);
  }

  .hero-title {
    font-size: var(--fs-600);
  }

  .hero-subtitle {
    font-size: var(--fs-300);
  }

  .hero-cta {
    flex-direction: column;
    max-width: 300px;
    width: 100%;
  }

  .hero-card {
    min-height: 400px;
  }

  .hero-card--about {
    padding: var(--space-40);
  }

  /* Services */
  .service-hero-image {
    height: 300px;
  }

  .service-tags {
    grid-template-columns: 1fr;
  }

  /* Partners */
  .partners-grid {
    grid-template-columns: 1fr;
  }

  /* Projects */
  .project-card {
    padding: var(--space-32);
  }

  .project-gallery {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: var(--space-8);
    padding: var(--space-16) var(--space-8);
  }

  .project-img {
    min-width: 180px;
    max-width: 180px;
    height: 200px;
  }

  /* Contact */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-40);
  }
}

/* ===============================================
   RESPONSIVE: MOBILE (600px and below)
   =============================================== */

@media (max-width: 600px) {
  /* Logo */
  .logo img {
    height: 70px;
    max-width: 150px;
  }

  /* Hero */
  .hero {
    min-height: 500px;
    padding: var(--space-32) 0;
  }

  .hero-content {
    text-align: center;
    padding: var(--space-16);
  }

  .hero-eyebrow {
    font-size: var(--fs-200);
    margin-bottom: var(--space-8);
  }

  .hero-title {
    font-size: var(--fs-500);
    line-height: 1.3;
    margin-bottom: var(--space-16);
  }

  .hero-subtitle {
    font-size: var(--fs-300);
    line-height: 1.6;
    margin-bottom: var(--space-16);
  }

  .hero-cta {
    width: 90%;
    max-width: 300px;
  }

  /* Hero Bottom */
  .hero-card {
    min-height: 250px;
  }

  .hero-card--about {
    padding: var(--space-32);
  }

  /* CTA Banner */
  .cta-banner {
    padding: var(--space-40) 0;
  }

  .cta-inner h4 {
    font-size: var(--fs-500);
    margin-bottom: var(--space-24);
  }

  /* Services */
  .service-hero-image {
    height: 250px;
  }

  .service-tags-wrapper {
    margin-left: calc(-1 * var(--space-16));
    margin-right: calc(-1 * var(--space-16));
    padding: 0 var(--space-16);
  }

  .service-tags {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-16);
    min-width: max-content;
  }

  .service-tag {
    min-width: 280px;
    max-width: 320px;
  }

  .service-tag-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
  }

  .service-tag-icon svg {
    width: 20px;
    height: 20px;
  }

  /* Partners */
  .partner-card {
    padding: var(--space-24);
  }

  .partner-card img {
    width: 140px;
  }

  /* Projects */
  .project-card {
    padding: var(--space-24);
  }

  .project-gallery {
    scrollbar-width: none;
  }

  .project-gallery::-webkit-scrollbar {
    display: none;
  }

  .project-img {
    min-width: 240px;
    max-width: 240px;
    height: 180px;
  }

  /* Lightbox */
  .lightbox-close {
    top: var(--space-16);
    right: var(--space-16);
    font-size: 36px;
    width: 40px;
    height: 40px;
  }

  /* Project tabs */

  .project-tabs {
    gap: var(--space-8);
  }

  .project-tab {
    padding: var(--space-16);
    font-size: var(--fs-400);
    flex: 1;
    text-align: center;
  }

  .empty-state {
    padding: var(--space-40) var(--space-16);
  }

  /* Contact */
  .contact-form-wrapper {
    padding: var(--space-24);
  }

  .contact-info-item {
    padding: var(--space-16);
  }

  .contact-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
  }

  .contact-icon svg {
    width: 20px;
    height: 20px;
  }

  .map-container {
    height: 300px;
  }
}