/* ===== CSS Variables - BC Infra Brand Colors ===== */
:root {
  --navy: #004985;
  --navy-dark: #003360;
  --navy-light: #005fa8;
  --teal: #09B7B6;
  --teal-dark: #079e9d;
  --teal-light: #0dd4d3;
  --gray: #BCBEC0;
  --gray-light: #E8E9EB;
  --gray-dark: #8a8c8e;
  --white: #FFFFFF;
  --black: #1a1a1a;
  --bg-light: #F4F6F8;
  --shadow: 0 4px 20px rgba(0, 73, 133, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 73, 133, 0.12);
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--black);
  line-height: 1.7;
  overflow-x: hidden;
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

.text-teal { color: var(--teal); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

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

.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(9, 183, 182, 0.3);
}

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

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

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 51, 96, 0.3);
  backdrop-filter: blur(4px);
  transition: var(--transition);
  padding: 18px 0;
}

.navbar.scrolled {
  background: var(--white);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .nav-link,
.navbar.scrolled .nav-toggle span {
  color: var(--black);
}

.navbar.scrolled .nav-toggle span {
  background: var(--black);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-img {
  height: 48px;
  width: auto;
  transition: var(--transition);
}

.logo-dark {
  display: none;
}

.logo-light {
  display: block;
}

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

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

.navbar.scrolled .logo-img {
  height: 40px;
}

.navbar:not(.scrolled) .logo-img {
  height: 80px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  color: var(--white);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 16px;
  border-radius: 4px;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-btn {
  background: var(--teal);
  color: var(--white) !important;
  padding: 10px 24px !important;
  border-radius: 6px !important;
  font-weight: 600;
}

.nav-btn:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero Slideshow ===== */
.hero-slideshow {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  padding-top: 180px;
  opacity: 0;
  transition: opacity 0.8s ease;
  z-index: 1;
}

.slide.active {
  opacity: 1;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  background: rgba(9, 183, 182, 0.25);
  color: var(--teal-light);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 24px;
  border: 1px solid rgba(9, 183, 182, 0.4);
}

.hero h1, .slide h1 {
  color: var(--white);
  max-width: 700px;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Slideshow Arrows */
.slide-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
}

.slide-arrow:hover {
  background: var(--teal);
  border-color: var(--teal);
}

.slide-prev { left: 24px; }
.slide-next { right: 24px; }

/* Slideshow Dots */
.slide-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}

.slide-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.slide-dot.active {
  background: var(--teal);
  border-color: var(--teal);
  transform: scale(1.2);
}

/* Stats Bar */
.stats-bar {
  background: var(--navy-dark);
  padding: 50px 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--teal);
}

.stat-suffix {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--teal);
}

.stat-label {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll a {
  color: rgba(255, 255, 255, 0.4);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--gray-dark);
  font-size: 1.05rem;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-img-main {
  border-radius: 12px;
  overflow: hidden;
}

.about-photo {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.about-img-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  gap: 12px;
}

.about-img-placeholder i {
  font-size: 4rem;
  color: var(--teal);
}

.about-img-placeholder span {
  font-size: 1.1rem;
  font-weight: 500;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--teal);
  color: var(--white);
  padding: 24px 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(9, 183, 182, 0.3);
}

.exp-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.exp-text {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.4;
}

.about-content .section-tag {
  text-align: left;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  color: var(--gray-dark);
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.about-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-icon {
  width: 42px;
  height: 42px;
  background: rgba(9, 183, 182, 0.1);
  color: var(--teal);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.about-feature h4 {
  margin-bottom: 2px;
}

.about-feature p {
  font-size: 0.85rem;
  margin: 0;
}

/* ===== Services ===== */
.services {
  background: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gray);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  background: var(--teal);
}

.service-card.featured {
  border: 2px solid var(--teal);
}

.service-card.featured::before {
  background: var(--teal);
  height: 4px;
}

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 73, 133, 0.08);
  color: var(--navy);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

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

.service-card h3 {
  margin-bottom: 12px;
  color: var(--navy);
}

.service-card > p {
  color: var(--gray-dark);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--gray-dark);
}

.service-list li i {
  color: var(--teal);
  font-size: 0.75rem;
}

/* ===== Projects ===== */
.projects {
  background: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.project-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-card-header {
  padding: 24px;
  color: var(--white);
}

.project-badge {
  display: inline-block;
  background: var(--teal);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.project-card-header h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
  color: var(--white);
}

.project-card-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  margin: 0;
}

.project-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.project-card-body {
  padding: 20px;
}

.project-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.85rem;
}

.project-meta strong {
  color: var(--navy);
}

.project-card-body > p {
  color: var(--gray-dark);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.project-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-status.ongoing {
  background: rgba(9, 183, 182, 0.1);
  color: var(--teal-dark);
}

.project-status.pending {
  background: rgba(9, 183, 182, 0.1);
  color: var(--teal-dark);
}

.project-status.completed {
  background: rgba(0, 73, 133, 0.1);
  color: var(--navy);
}

/* ===== CTA ===== */
.cta {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  text-align: center;
  padding: 80px 0;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(9, 183, 182, 0.08);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

/* ===== Team ===== */
.team {
  background: var(--white);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 992px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

.team-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.team-img {
  height: 320px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--gray-light) 100%);
}

.team-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  display: block;
}

.team-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  font-size: 5rem;
}

.team-info {
  padding: 24px;
}

.team-info h3 {
  color: var(--navy);
  margin-bottom: 4px;
}

.team-role {
  display: inline-block;
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.team-info p {
  color: var(--gray-dark);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.team-social {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.team-social a {
  width: 36px;
  height: 36px;
  background: rgba(9, 183, 182, 0.1);
  color: var(--teal);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.team-social a:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===== Contact ===== */
.contact {
  background: var(--bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(9, 183, 182, 0.1);
  color: var(--teal);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-card h4 {
  margin-bottom: 4px;
  color: var(--navy);
}

.contact-card p {
  color: var(--gray-dark);
  font-size: 0.9rem;
}

/* ===== Form ===== */
.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-light);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--white);
  color: var(--black);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(9, 183, 182, 0.1);
}

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23004985' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-message {
  margin-top: 16px;
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(39, 174, 96, 0.15);
  color: #1a7a42;
  border: 2px solid rgba(39, 174, 96, 0.4);
}

.form-message.error {
  display: block;
  background: rgba(220, 53, 69, 0.15);
  color: #dc3545;
  border: 2px solid rgba(220, 53, 69, 0.4);
}

/* ===== Footer ===== */
.footer {
  background: var(--navy-dark);
  color: var(--white);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  height: 44px;
  margin-bottom: 16px;
}

.footer-col p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  margin-bottom: 20px;
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a,
.footer-col ul li {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--teal);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: center;
}

.footer-contact li i {
  color: var(--teal);
  width: 16px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--teal);
  transform: translateY(-3px);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--navy-dark);
    flex-direction: column;
    padding: 80px 30px 30px;
    transition: var(--transition);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu .nav-link {
    color: var(--white);
    font-size: 1rem;
    padding: 12px 0;
  }

  .slide {
    padding-top: 140px;
    background-size: cover !important;
    background-position: center !important;
  }

  .slide h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .slide-arrow {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }

  .slide-prev { left: 12px; }
  .slide-next { right: 12px; }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .about-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .slide {
    padding-top: 120px;
  }

  .slide h1 {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  .hero-badge {
    font-size: 0.7rem;
    padding: 5px 14px;
  }

  .slide-arrow {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }

  .slide-dots {
    bottom: 20px;
  }

  .slide-dot {
    width: 10px;
    height: 10px;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat-number {
    font-size: 2rem;
  }

  .contact-form {
    padding: 24px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    text-align: center;
    justify-content: center;
  }
}

/* ===== Responsive Project Cards ===== */
@media (max-width: 768px) {
  .project-img {
    height: 200px;
  }
}

@media (max-width: 480px) {
  .project-img {
    height: 180px;
  }

  .project-meta {
    grid-template-columns: 1fr;
  }
}

/* ===== WhatsApp Floating Button ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
  color: var(--white);
}

.realestate-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--teal);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 4px 16px rgba(9, 183, 182, 0.4);
  z-index: 999;
  transition: var(--transition);
}
.realestate-float i { font-size: 1.2rem; }
.realestate-float:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(9, 183, 182, 0.5);
  color: var(--white);
  background: var(--teal-dark);
}

/* ===== Back to Top Button ===== */
.back-to-top {
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--navy-dark);
  transform: translateY(-2px);
}