:root {
  --bg-color: #ffffff;
  --text-main: #1d1d1f;
  --text-muted: #6e6e73;
  --primary-green: #48b07b;
  --primary-light: rgba(72, 176, 123, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.8);
  --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
  --border-radius-lg: 24px;
  --border-radius-md: 16px;
  --border-radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  position: relative;
}

/* BACKGROUND BLOBS */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.5;
  pointer-events: none;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: rgba(72, 176, 123, 0.25);
  top: -50px;
  left: -100px;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: rgba(180, 230, 205, 0.3);
  top: 40%;
  right: -150px;
}

.blob-3 {
  width: 350px;
  height: 350px;
  background: rgba(72, 176, 123, 0.18);
  bottom: 10%;
  left: -100px;
}

/* TYPOGRAPHY & UTILITIES */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.text-center { text-align: center; }

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary-green);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

/* GLASS CARD */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.07);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--primary-green);
  color: #fff;
  box-shadow: 0 10px 20px rgba(72, 176, 123, 0.3);
}

.btn-primary:hover {
  background-color: #3d986a;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(0,0,0,0.15);
}

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

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar.scrolled {
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  padding: 14px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary-green);
}

.hamburger {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO */
.hero-section {
  padding: 160px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--primary-green);
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 32px;
}

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

.hero-img-card {
  padding: 12px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.hero-img-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: calc(var(--border-radius-lg) - 8px);
}

/* STATISTICS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 28px;
}

.stat-value {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: 4px;
}

.stat-title {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ABOUT */
.img-wrapper img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
}

.about-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.detail-item {
  font-size: 0.95rem;
}

.detail-item .label {
  font-weight: 600;
  color: var(--text-main);
}

.detail-item .val {
  color: var(--text-muted);
}

/* TAGS */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

.tag-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
}

.tag-item:hover {
  background: var(--primary-green);
  color: #fff;
  transform: translateY(-3px);
}

/* CARDS GRIDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary-green);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.card-subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* TIMELINE */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 20px auto 0;
  padding-left: 30px;
  border-left: 2px solid rgba(72, 176, 123, 0.3);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-dot {
  position: absolute;
  left: -37px;
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-green);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(72, 176, 123, 0.2);
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-green);
  margin-bottom: 4px;
}

/* LAST COMPANY & FEATURED PROJECT */
.highlight-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-card {
  padding: 40px;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.project-gallery img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  transition: var(--transition);
}

.project-gallery img:hover {
  transform: scale(1.03);
}

/* LIST CARDS */
.list-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.list-item-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
}

/* PHOTOGRAPHY GALLERY */
.masonry-gallery {
  column-count: 3;
  column-gap: 20px;
  margin-top: 20px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 20px;
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  display: block;
  border-radius: var(--border-radius-md);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-overlay h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

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

/* LIGHTBOX */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(10px);
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 85%;
  max-height: 80vh;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.lightbox-caption {
  color: #fff;
  margin-top: 16px;
  font-size: 1.1rem;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
}

/* CONTACT & FOOTER */
.contact-wrapper {
  padding: 48px;
}

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

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.social-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: var(--border-radius-md);
  text-decoration: none;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.social-card:hover {
  background: var(--primary-green);
  color: #fff;
}

.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(0,0,0,0.05);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer .subtext {
  font-size: 0.8rem;
  margin-top: 4px;
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
  .grid-2, .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .project-gallery { grid-template-columns: repeat(2, 1fr); }
  .masonry-gallery { column-count: 2; }
  .hero-title { font-size: 2.8rem; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero-section { padding-top: 120px; padding-bottom: 60px; }
  
  .hamburger { display: block; z-index: 1001; }
  
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    transform: translateY(-100%);
    transition: transform 0.4s ease-in-out;
    z-index: 999;
  }
  
  .nav-links.active { transform: translateY(0); }
  
  .cards-grid, .cards-grid-4, .stats-grid, .project-gallery { grid-template-columns: 1fr; }
  .masonry-gallery { column-count: 1; }
  .social-links-grid { grid-template-columns: 1fr; }
  .highlight-card { flex-direction: column; gap: 20px; text-align: center; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
}