:root {
  --brand-primary: #ff6b00;
  --brand-primary-dark: #d85600;
  --brand-dark: #111827;
  --brand-dark-soft: #1f2937;
  --text-main: #374151;
  --text-muted: #6b7280;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-alt: #f3f4f6;
  --border: rgba(17, 24, 39, 0.08);
  --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 18px 45px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.18);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --container: 1200px;
  --header-height: 88px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-main);
  background: var(--surface);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
iframe { border: 0; }

body.menu-open { overflow: hidden; }

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.section-padding { padding: 88px 0; }
.bg-white { background: var(--surface); }
.bg-soft { background: linear-gradient(180deg, #fff 0%, var(--surface-soft) 100%); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1100;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 24, 39, 0.06);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.navbar {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  min-width: 0;
}
.logo img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-title {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--brand-dark);
}
.logo-title span { color: var(--brand-primary); }
.logo-subtitle {
  margin-top: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin: 0;
}
.nav-item { position: relative; }
.nav-link,
.lang-switch a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--brand-dark-soft);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: 999px;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.nav-link:hover,
.nav-link.active,
.lang-switch a:hover,
.lang-switch a.active-lang {
  background: rgba(255, 107, 0, 0.10);
  color: var(--brand-primary-dark);
  transform: translateY(-1px);
}
.nav-link.active { box-shadow: inset 0 0 0 1px rgba(255, 107, 0, 0.12); }
.arrow-icon { font-size: 0.72rem; transition: transform 0.25s ease; }

.dropdown-content {
  list-style: none;
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  min-width: 245px;
  margin: 0;
  padding: 10px;
  border-radius: 18px;
  background: rgba(255,255,255,0.98);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}
.dropdown-content a {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--brand-dark-soft);
  font-size: 0.92rem;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.dropdown-content a:hover {
  background: rgba(255, 107, 0, 0.08);
  color: var(--brand-primary-dark);
  transform: translateX(4px);
}
.dropdown:hover > .dropdown-content,
.dropdown:focus-within > .dropdown-content,
.dropdown.open > .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown:hover > .nav-link .arrow-icon,
.dropdown.open > .nav-link .arrow-icon { transform: rotate(180deg); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-left: 6px;
  margin-left: 8px;
  border-left: 1px solid rgba(17, 24, 39, 0.08);
}
.lang-switch .lang-sep { color: #cbd5e1; }

.hamburger {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 14px;
  background: var(--surface);
  color: var(--brand-dark);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding: 72px 0;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(17,24,39,0.86), rgba(17,24,39,0.58)),
    radial-gradient(circle at top left, rgba(255,107,0,0.26), transparent 34%),
    url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?q=80&w=1920&auto=format&fit=crop') center/cover no-repeat;
}
.hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 110px;
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.95) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.14);
  font-size: 0.92rem;
  font-weight: 700;
}
.hero-content h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.9rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero-content p {
  margin: 22px auto 0;
  max-width: 700px;
  font-size: clamp(1rem, 2vw, 1.22rem);
  color: rgba(255,255,255,0.88);
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 44px;
}
.hero-stat {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
}
.hero-stat strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 6px;
}
.hero-stat span { color: rgba(255,255,255,0.8); font-size: 0.95rem; }

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), #ff8a34);
  color: white;
  box-shadow: 0 14px 30px rgba(255, 107, 0, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 38px rgba(255, 107, 0, 0.34);
}
.btn-secondary {
  color: white;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
}
.btn-secondary:hover { transform: translateY(-2px); background: rgba(255,255,255,0.16); }

.section-title {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 48px;
}
.section-title .eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--brand-primary-dark);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.section-title h2 {
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 3rem);
  color: var(--brand-dark);
  line-height: 1.15;
}
.section-title p {
  margin: 16px auto 0;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.about-wrapper,
.contact-wrapper,
.detail-wrapper,
.cta-banner {
  display: grid;
  gap: 32px;
}
.about-wrapper { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: center; }
.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-height: 420px;
  object-fit: cover;
}
.about-text h2 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--brand-dark);
  line-height: 1.15;
}
.about-text p { color: var(--text-muted); margin: 0 0 18px; }
.about-features {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 14px;
}
.about-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid rgba(17,24,39,0.05);
}
.about-features i { color: var(--brand-primary); margin-top: 4px; }

.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}
.metric-card,
.service-card,
.project-card,
.info-card,
.detail-info-card,
.detail-description-box,
.detail-gallery-box,
.contact-form-box,
.filter-bar,
.footer-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
}
.metric-card {
  padding: 26px 20px;
  text-align: center;
}
.metric-card strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--brand-dark);
}
.metric-card span {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
}

.project-grid,
.projects-grid,
.services-grid,
.gallery-grid {
  display: grid;
  gap: 24px;
}
.contact-info-cards {
    display: flex;
    flex-direction: column; 
    gap: 25px;              
    width: 100%;
}
.project-grid,
.projects-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.services-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.contact-info-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.project-card {
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  position: relative;
  isolation: isolate;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.project-card:hover,
.service-card:hover,
.info-card:hover,
.metric-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}
.project-card img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.project-card:hover img { transform: scale(1.06); }
.project-card::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 55%;
  background: linear-gradient(180deg, rgba(17,24,39,0) 0%, rgba(17,24,39,0.08) 100%);
  pointer-events: none;
}
.status-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 1;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, rgba(17,24,39,0.86), rgba(255,107,0,0.92));
  box-shadow: 0 12px 26px rgba(17,24,39,0.20);
}
.card-info { padding: 22px; position: relative; z-index: 1; }
.category {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: rgba(255,107,0,0.08);
  color: var(--brand-primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
}
.card-info h3 {
  margin: 0 0 10px;
  color: var(--brand-dark);
  font-size: 1.24rem;
  line-height: 1.3;
}
.location {
  margin: 0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.location i { color: var(--brand-primary); }

.services-grid .service-card,
.info-card {
  padding: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.service-card:hover,
.info-card:hover { border-color: rgba(255,107,0,0.18); }
.icon-box,
.info-card > i {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  color: white;
  background: linear-gradient(135deg, var(--brand-primary), #ff964d);
  box-shadow: 0 14px 26px rgba(255, 107, 0, 0.2);
}
.service-card h3,
.info-card h3 {
  margin: 20px 0 10px;
  color: var(--brand-dark);
  font-size: 1.2rem;
}
.service-card p,
.info-card p { margin: 0; color: var(--text-muted); }
.info-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.info-card > i { flex-shrink: 0; }

.instagram-link,
.inline-cta {
  text-align: center;
  margin-top: 36px;
}
.instagram-link a,
.inline-cta a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  color: var(--brand-primary-dark);
  padding: 14px 22px;
  border-radius: 999px;
  background: rgba(255, 107, 0, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.instagram-link a:hover,
.inline-cta a:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); background: rgba(255, 107, 0, 0.13); }

.page-header {
  position: relative;
  overflow: hidden;
  padding: 110px 0 70px;
  background:
    radial-gradient(circle at top left, rgba(255,107,0,0.18), transparent 28%),
    linear-gradient(135deg, #111827, #1f2937);
  color: white;
}
.page-header::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}
.page-header .container,
.page-header > * { position: relative; z-index: 1; }
.page-header h1 { margin: 0; font-size: clamp(2.4rem, 5vw, 3.8rem); }
.page-header p {
  margin: 16px 0 0;
  max-width: 720px;
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
}

.filter-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px;
  margin-bottom: 28px;
  background: linear-gradient(180deg, #fff, #fafafa);
}
.filter-chip {
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  color: var(--brand-dark-soft);
  background: var(--surface-soft);
  transition: 0.25s ease;
}
.filter-chip:hover,
.filter-chip.active {
  color: white;
  background: linear-gradient(135deg, var(--brand-primary), #ff964d);
  box-shadow: 0 12px 25px rgba(255,107,0,0.18);
}

.detail-wrapper {
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.8fr);
  align-items: start;
}
.detail-image-box img {
  width: 100%;
  min-height: 380px;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}
.detail-info-card,
.detail-description-box,
.detail-gallery-box,
.contact-form-box {
  padding: 28px;
}
.detail-info-card h3,
.detail-description-box h2,
.detail-gallery-box h3,
.contact-form-box h2 {
  margin: 0 0 18px;
  color: var(--brand-dark);
}
.info-list,
.contact-info,
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.info-list li,
.contact-info li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(17,24,39,0.06);
}
.info-list li:last-child,
.contact-info li:last-child { border-bottom: 0; }
.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.gallery-grid img:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--shadow-md); }

.contact-wrapper { grid-template-columns: 0.95fr 1.05fr; align-items: start; }
.contact-form {
  display: grid;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(17,24,39,0.10);
  background: var(--surface-soft);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.contact-form textarea { min-height: 180px; resize: vertical; }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(255,107,0,0.45);
  box-shadow: 0 0 0 4px rgba(255,107,0,0.12);
  background: #fff;
}
.map-section { margin-top: 10px; }
.map-section iframe { width: 100%; min-height: 420px; }

.cta-banner {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 34px;
  border-radius: 28px;
  background: linear-gradient(135deg, #111827, #1f2937);
  color: white;
  box-shadow: var(--shadow-lg);
}
.cta-banner h3 { margin: 0 0 8px; font-size: clamp(1.6rem, 3vw, 2.25rem); }
.cta-banner p { margin: 0; color: rgba(255,255,255,0.78); }

.site-footer {
  margin-top: 0;
  color: #e5e7eb;
  background: linear-gradient(180deg, #101827 0%, #0b1220 100%);
}
.footer-main { padding: 72px 0 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.9fr 1fr;
  gap: 24px;
}
.footer-widget {
  padding: 28px;
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.07);
  box-shadow: none;
}
.footer-logo {
  font-size: 1.4rem;
  font-weight: 900;
  color: white;
}
.footer-logo span { color: #ff9d57; }
.footer-desc {
  color: rgba(229,231,235,0.74);
  margin: 14px 0 0;
}
.footer-links li + li { margin-top: 12px; }
.footer-links a {
  color: rgba(229,231,235,0.82);
  text-decoration: none;
  transition: color 0.25s ease, transform 0.25s ease;
  display: inline-flex;
  gap: 10px;
  align-items: center;
}
.footer-links a:hover { color: #fff; transform: translateX(4px); }
.contact-info .icon { color: #ff9d57; width: 18px; margin-top: 3px; }
.social-links {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}
.social-links a {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  text-decoration: none;
  color: white;
  background: rgba(255,255,255,0.08);
  transition: transform 0.25s ease, background 0.25s ease;
}
.social-links a:hover { transform: translateY(-3px); background: rgba(255,107,0,0.22); }
.copyright-bar {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 18px 0 24px;
  text-align: center;
  color: rgba(229,231,235,0.66);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 48px 20px;
  text-align: center;
  background: var(--surface);
  border: 1px dashed rgba(17,24,39,0.15);
  border-radius: 22px;
  color: var(--text-muted);
}

.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1200px) {
  .project-grid,
  .projects-grid,
  .services-grid,
  .contact-info-cards,
  .metrics-row,
  .gallery-grid,
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 992px) {
  :root { --header-height: 82px; }
  .hamburger { display: inline-flex; }
  .navbar { flex-wrap: wrap; padding: 14px 0; }
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    margin-top: 6px;
    border-radius: 24px;
    background: rgba(255,255,255,0.98);
    border: 1px solid rgba(17,24,39,0.08);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.active { display: flex; }
  .nav-item,
  .lang-switch { width: 100%; margin: 0; padding: 0; border: 0; }
  .lang-switch { justify-content: flex-start; gap: 10px; }
  .nav-link,
  .lang-switch a { width: 100%; justify-content: space-between; border-radius: 16px; }
  .dropdown-content {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    margin-top: 8px;
    min-width: 100%;
    box-shadow: none;
    border-radius: 16px;
    background: var(--surface-soft);
  }
  .dropdown.open > .dropdown-content { display: block; }
  .hero { min-height: auto; }
  .hero-stats,
  .about-wrapper,
  .contact-wrapper,
  .detail-wrapper,
  .cta-banner { grid-template-columns: 1fr; }
  .cta-banner { text-align: center; }
}

@media (max-width: 768px) {
  .section-padding { padding: 72px 0; }
  .container { width: min(var(--container), calc(100% - 1.2rem)); }
  .project-grid,
  .projects-grid,
  .services-grid,
  .contact-info-cards,
  .gallery-grid,
  .metrics-row,
  .footer-grid { grid-template-columns: 1fr; }
  .hero-content { text-align: left; margin: 0; }
  .hero-actions { justify-content: flex-start; }
  .hero-stats { gap: 14px; }
  .hero-stat { padding: 18px; }
  .page-header { padding: 96px 0 56px; }
  .detail-info-card,
  .detail-description-box,
  .detail-gallery-box,
  .contact-form-box,
  .service-card,
  .info-card,
  .metric-card,
  .footer-widget { padding: 22px; }
  .about-image img,
  .detail-image-box img { min-height: auto; }
}

@media (max-width: 520px) {
  .logo-title { font-size: 1.05rem; }
  .logo-subtitle { letter-spacing: 0.18em; font-size: 0.63rem; }
  .logo img { width: 48px; height: 48px; }
  .hero-content h1 { font-size: 2.2rem; }
  .hero-badge { font-size: 0.82rem; }
  .btn-primary,
  .btn-secondary { width: 100%; }
  .hero-actions { width: 100%; }
  .status-badge { top: 14px; right: 14px; }
}