:root {
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, .08);
  --text: #eaf0ff;
  --muted: rgba(234, 240, 255, .72);
  --line: rgba(234, 240, 255, .14);
  --primary: #3b82f6;
  --primary2: #22d3ee;
  --shadow: 0 18px 40px rgba(0, 0, 0, .35);
  --radius: 16px;
  --container: 1100px;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #cbd5e1;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

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

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

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

a:hover {
  text-decoration: underline;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background-color: var(--bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--panel);
  transform: scale(1.1);
}


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

.muted {
  color: var(--muted);
}

.section {
  padding: 64px 0;
}

/* Top bar */
.topbar {
  background: var(--bg);
  opacity: 0.95;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.about-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-top: 20px;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  font-size: .95rem;
}

.topbar__left {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.topbar__item {
  color: var(--muted);
}

.topbar__item:hover {
  color: var(--text);
  text-decoration: none;
}

/* Sticky nav */
.navwrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  opacity: 0.95;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand__logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: .5px;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: var(--shadow);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-weight: 800;
}

.brand__sub {
  font-size: .9rem;
  color: var(--muted);
}

/* Nav links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav__link {
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 10px;
}

.nav__link:hover {
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
}

.nav__link.is-active {
  color: var(--text);
  background: rgba(59, 130, 246, .18);
  border: 1px solid rgba(59, 130, 246, .25);
}

/* Mobile menu button */
.nav__toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(59, 130, 246, .35);
  background: linear-gradient(135deg, rgba(59, 130, 246, .95), rgba(34, 211, 238, .75));
  color: white;
  font-weight: 700;
  box-shadow: 0 12px 26px rgba(59, 130, 246, .18);
  text-decoration: none;
}

.btn:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

.btn--ghost {
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, .10);
}

.btn--small {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: .95rem;
}

.btn--block {
  width: 100%;
}

/* Hero */
/* Hero */
.hero {
  padding: 120px 0 80px;
  /* Default / Home: Dark Tools mixed with brightness (Reduced overlay opactiy) */
  background-image: linear-gradient(rgba(7, 11, 20, 0.45), rgba(7, 11, 20, 0.35)), url('https://images.unsplash.com/photo-1581244277943-fe4a9c777189?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line);
}

.hero--services {
  /* Services: Close-up pipes/valves (User liked this) */
  background-image: linear-gradient(rgba(7, 11, 20, 0.7), rgba(7, 11, 20, 0.6)), url('https://images.unsplash.com/photo-1607472586893-edb57bdc0e39?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
}

.hero--about {
  /* About: Very obvious Plumber Fixing Sink (No scenery) */
  background-image: linear-gradient(rgba(7, 11, 20, 0.75), rgba(7, 11, 20, 0.6)), url('https://images.unsplash.com/photo-1621905251918-48416bd8575a?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
}

.hero--contact {
  /* Contact: Plumber on tablet/phone/clipboard (Authentic vibe) */
  background-image: linear-gradient(rgba(7, 11, 20, 0.65), rgba(7, 11, 20, 0.55)), url('https://images.unsplash.com/photo-1621905252507-b354f6030250?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: start;
}

.pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 999px;
  color: var(--muted);
  font-size: .95rem;
}

.hero h1 {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.1;
}

.lead {
  color: var(--muted);
  font-size: 1.06rem;
  margin: 0 0 18px;
}

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}

.hero__badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.badge {
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
}

.badge__title {
  font-weight: 800;
  margin-bottom: 4px;
}

.badge__text {
  color: var(--muted);
  font-size: .95rem;
}

/* Card */
.card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card__title {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.card__text {
  color: var(--muted);
  margin: 0 0 14px;
}

.card__row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-top: 1px solid rgba(234, 240, 255, .10);
}

.fineprint {
  margin-top: 10px;
  color: rgba(234, 240, 255, .65);
  font-size: .9rem;
}

/* Section headings */
.section__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 14px;
  margin-bottom: 16px;
}

.section__head h2 {
  margin: 0;
  font-size: 1.7rem;
}

/* Grids / tiles */
.grid {
  display: grid;
  gap: 14px;
}

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

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

.tile {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
}

.tile .icon-box {
  margin-bottom: 12px;
  color: var(--primary2);
}

.tile h3 {
  margin: 0 0 6px;
}

.tile p {
  margin: 0;
  color: var(--muted);
}

.quote {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
}

.quote blockquote {
  margin: 0 0 10px;
}

.quote figcaption {
  color: var(--muted);
}

/* CTA strip */
.cta__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(59, 130, 246, .25);
  background: linear-gradient(135deg, rgba(59, 130, 246, .18), rgba(34, 211, 238, .10));
}

.cta__buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  margin-top: 50px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
  padding: 28px 0;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer__bottom {
  border-top: 1px solid rgba(234, 240, 255, .10);
  padding: 14px 0;
  color: var(--muted);
  font-size: .95rem;
}

/* Forms */
label {
  display: block;
  font-weight: 700;
  margin: 10px 0 6px;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, .20);
  color: var(--text);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(59, 130, 246, .55);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, .18);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.notice {
  margin-top: 14px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
  color: var(--muted);
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: .6rem .8rem;
  border-radius: 12px;
  background: rgba(11, 18, 32, .95);
  border: 1px solid var(--line);
  z-index: 9999;
}

/* Responsive */
@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .grid--3 {
    grid-template-columns: 1fr;
  }

  .grid--2 {
    grid-template-columns: 1fr;
  }

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

  .section__head {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 760px) {
  .nav__toggle {
    display: inline-flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    right: 1rem;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    width: min(320px, calc(100% - 2rem));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(11, 18, 32, .92);
    backdrop-filter: blur(12px);
  }

  .nav__links.is-open {
    display: flex;
  }
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-100 {
  transition-delay: 0.1s;
}

.animate-delay-200 {
  transition-delay: 0.2s;
}

.animate-delay-300 {
  transition-delay: 0.3s;
}