:root {
  --bg: #050814;
  --bg-elevated: #0b1022;
  --bg-soft: rgba(10, 16, 34, 0.8);
  --accent: #f5a623;
  --accent-soft: rgba(245, 166, 35, 0.12);
  --accent-strong: #ffcc4d;
  --text: #f7f7fb;
  --text-muted: #9da3c7;
  --border-subtle: rgba(118, 132, 190, 0.3);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-soft: 0 22px 45px rgba(0, 0, 0, 0.55);
  --shadow-subtle: 0 16px 30px rgba(0, 0, 0, 0.4);
  --transition-fast: 160ms ease-out;
  --transition-slow: 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #182547 0, #050814 55%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 8, 20, 0.92), rgba(5, 8, 20, 0.7));
  border-bottom: 1px solid rgba(118, 132, 190, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0.5rem;
}

.logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: conic-gradient(from 210deg, #f5a623, #ffcc4d, #f5a623);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #1c1304;
  box-shadow: 0 0 0 2px #050814, 0 16px 30px rgba(0, 0, 0, 0.7);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: "SF Pro Display", system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.4rem 0.8rem;
  margin: 0;
  border-radius: 999px;
  background: rgba(7, 10, 26, 0.9);
  border: 1px solid rgba(118, 132, 190, 0.45);
}

.nav-links a {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 0.1rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(118, 132, 190, 0.6);
  background: rgba(7, 10, 26, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
}

.nav-toggle span {
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hero {
  position: relative;
  padding: 4rem 0 3.5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(circle at 10% 0%, rgba(245, 166, 35, 0.16) 0, transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(89, 130, 255, 0.25) 0, transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.06) 0,
      rgba(255, 255, 255, 0) 40%
    ),
    radial-gradient(circle at 20% 120%, rgba(5, 8, 20, 0.7) 0, rgba(5, 8, 20, 1) 55%);
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: flex-start;
  z-index: 1;
}

.hero-copy h1 {
  font-family: "SF Pro Display", system-ui, sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.1rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.hero-accent {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--accent-strong);
  letter-spacing: 0.22em;
}

.hero-copy p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition-slow), color var(--transition-slow),
    transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #1c1304;
  box-shadow: var(--shadow-subtle);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.btn-ghost {
  background: rgba(9, 12, 30, 0.9);
  border-color: var(--border-subtle);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(16, 22, 49, 0.95);
}

.btn-block {
  width: 100%;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.hero-meta span {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(118, 132, 190, 0.45);
  background: rgba(7, 10, 26, 0.85);
}

.hero-stats {
  display: grid;
  gap: 0.85rem;
}

.stat-card {
  padding: 0.8rem 1rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(9, 12, 30, 0.98), rgba(9, 12, 30, 0.92));
  border: 1px solid rgba(118, 132, 190, 0.6);
  box-shadow: var(--shadow-subtle);
}

.stat-number {
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.section {
  padding: 3rem 0 2.5rem;
}

.section-header {
  text-align: left;
  margin-bottom: 1.75rem;
}

.section-header h2 {
  font-size: 1.4rem;
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  max-width: 28rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.1rem 1.25rem;
  background: radial-gradient(circle at top left, rgba(245, 166, 35, 0.16), transparent 55%),
    radial-gradient(circle at bottom right, rgba(57, 92, 255, 0.18), transparent 55%),
    rgba(7, 10, 26, 0.98);
  border: 1px solid rgba(118, 132, 190, 0.6);
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0)
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.service-card:hover::after {
  opacity: 1;
}

.service-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  margin-bottom: 0.8rem;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: rgba(5, 8, 20, 0.9);
  border: 1px solid rgba(118, 132, 190, 0.7);
}

.service-icon--water {
  background-image: radial-gradient(circle at 30% 0, #4fc3f7 0, transparent 55%),
    radial-gradient(circle at 70% 100%, #0277bd 0, transparent 55%);
}

.service-icon--electric {
  background-image: radial-gradient(circle at 30% 0, #ffd54f 0, transparent 55%),
    radial-gradient(circle at 70% 100%, #ff6f00 0, transparent 55%);
}

.service-icon--ac {
  background-image: radial-gradient(circle at 30% 0, #b3e5fc 0, transparent 55%),
    radial-gradient(circle at 70% 100%, #0288d1 0, transparent 55%);
}

.service-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.service-card p {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.service-card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.service-card li + li {
  margin-top: 0.15rem;
}

.gallery {
  border-top: 1px solid rgba(118, 132, 190, 0.35);
}

.gallery-filters {
  display: inline-flex;
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid rgba(118, 132, 190, 0.6);
  background: rgba(7, 10, 26, 0.9);
  margin-bottom: 1.5rem;
}

.filter-btn {
  border: none;
  outline: none;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
}

.filter-btn.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.gallery-item {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(7, 10, 26, 0.96);
  border: 1px solid rgba(118, 132, 190, 0.55);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    border-color var(--transition-fast), opacity var(--transition-fast), filter var(--transition-fast);
}

.gallery-item.hidden {
  display: none;
}

.gallery-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.gallery-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 8, 20, 0.9), rgba(5, 8, 20, 0.15));
  mix-blend-mode: multiply;
}

.gallery-image--ac-1 {
  background-image: url("images/image4.jpeg");
}
.gallery-image--ac-2 {
  background-image: url("images/image13.jpeg");
}

.gallery-image--water-1 {
  background-image: url("images/image3.jpeg");
}

.gallery-image--water-2 {
  background-image: url("images/image6.jpeg");
}

.gallery-image--electric-1 {
  background-image: url("images/image8.jpeg");
}

.gallery-image--electric-2 {
  background-image: url("images/image11.jpeg");
}

.gallery-item figcaption {
  padding: 0.65rem 0.8rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.contact {
  border-top: 1px solid rgba(118, 132, 190, 0.35);
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 2.2rem;
  align-items: flex-start;
}

.contact-map-wrap {
  margin-top: 1.8rem;
}

.contact-map-card {
  border-radius: var(--radius-lg);
  padding: 0.9rem 0.9rem 1rem;
  background: radial-gradient(circle at top left, rgba(245, 166, 35, 0.16), transparent 55%),
    radial-gradient(circle at bottom right, rgba(57, 92, 255, 0.18), transparent 55%),
    rgba(7, 10, 26, 0.98);
  border: 1px solid rgba(118, 132, 190, 0.7);
  box-shadow: var(--shadow-subtle);
}

.contact-map-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.contact-map-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-map-title {
  font-size: 0.9rem;
}

.contact-map-frame {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(118, 132, 190, 0.7);
}

.contact-map-frame iframe {
  display: block;
  width: 100%;
  height: 260px;
  border: 0;
  filter: grayscale(0.2) contrast(1.05) saturate(0.9);
}

.contact-info h2 {
  margin: 0 0 0.4rem;
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.contact-info p {
  margin: 0 0 1.1rem;
  color: var(--text-muted);
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}

.contact-list li + li {
  margin-top: 0.6rem;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.contact-list a {
  color: var(--accent-strong);
}

.contact-form {
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.1rem 1.3rem;
  background: rgba(6, 10, 28, 0.96);
  border: 1px solid rgba(118, 132, 190, 0.7);
  box-shadow: var(--shadow-subtle);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.7rem;
}

.form-field label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  border-radius: 9px;
  border: 1px solid rgba(118, 132, 190, 0.7);
  background: rgba(4, 7, 22, 0.96);
  color: var(--text);
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background var(--transition-fast);
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(157, 163, 199, 0.7);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 1px rgba(245, 166, 35, 0.6);
}

.form-note {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

.site-footer {
  padding: 1.3rem 0 1.6rem;
  border-top: 1px solid rgba(118, 132, 190, 0.4);
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.03), rgba(5, 8, 20, 1));
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.2fr);
    gap: 2.2rem;
  }

  .service-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .header-inner {
    padding-inline: 0.1rem;
  }

  .nav-links {
    position: absolute;
    right: 1.5rem;
    top: 58px;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.6rem 0.9rem;
    border-radius: 16px;
    border-width: 1px;
    width: min(220px, 70vw);
    transform-origin: top right;
    transform: scale(0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-header {
    margin-bottom: 1.3rem;
  }

  .service-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.3rem;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .gallery-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
}