:root {
  --charcoal: #121820;
  --ink: #1c2632;
  --steel: #687684;
  --line: #d7dee6;
  --blue: #0e5e91;
  --blue-dark: #0a4166;
  --orange: #e1782d;
  --white: #ffffff;
  --mist: #f4f7fa;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--mist);
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px min(5vw, 64px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  background: rgba(18, 24, 32, 0.94);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  width: 70px;
  height: 44px;
  object-fit: contain;
  background: #06142d;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: var(--orange);
  color: var(--charcoal);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
}

.brand small {
  color: rgba(255, 255, 255, 0.76);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
}

.site-nav a {
  text-decoration: none;
}

.nav-call {
  padding: 11px 15px;
  border: 1px solid rgba(255, 255, 255, 0.34);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  gap: 34px;
  padding: 150px min(5vw, 64px) 74px;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(12, 18, 25, 0.86) 0%, rgba(12, 18, 25, 0.56) 52%, rgba(12, 18, 25, 0.44) 100%),
    url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=2200&q=82");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  font-size: 24px;
  line-height: 1.12;
}

.hero-copy {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 21px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 15px 22px;
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.btn.primary {
  background: var(--orange);
  color: var(--charcoal);
}

.btn.secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--white);
}

.hero-panel {
  padding: 26px;
  border-left: 4px solid var(--orange);
  background: rgba(18, 24, 32, 0.74);
  backdrop-filter: blur(12px);
}

.hero-panel span,
.hero-panel strong {
  display: block;
}

.hero-panel span {
  margin-bottom: 8px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-panel strong {
  font-size: 24px;
  line-height: 1.18;
}

section {
  padding: 92px min(5vw, 64px);
}

.service-band {
  background: var(--white);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 38px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card,
.project-card,
.quote-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 38px rgba(25, 39, 52, 0.08);
}

.service-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.service-card div {
  padding: 24px;
}

.service-card span {
  display: block;
  margin-bottom: 20px;
  color: var(--orange);
  font-weight: 800;
}

.service-card p,
.project-card p,
.why-copy p,
.quote-copy p,
.contact p {
  color: #546170;
  line-height: 1.6;
}

.why {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 42px;
  background: var(--charcoal);
  color: var(--white);
}

.why-copy p {
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.value-list span {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stats div {
  min-height: 160px;
  padding: 24px;
  display: grid;
  align-content: end;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.stats strong {
  display: block;
  color: var(--orange);
  font-size: 52px;
}

.stats span {
  color: rgba(255, 255, 255, 0.76);
}

.projects {
  background: var(--mist);
}

.media-wall {
  background: var(--white);
}

.media-photo-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.media-photo-grid figure {
  min-height: 260px;
  margin: 0;
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
}

.media-photo-grid figure:nth-child(1),
.media-photo-grid figure:nth-child(6) {
  grid-column: span 2;
}

.media-photo-grid figure:nth-child(2),
.media-photo-grid figure:nth-child(3),
.media-photo-grid figure:nth-child(4),
.media-photo-grid figure:nth-child(5) {
  grid-column: span 2;
}

.media-photo-grid img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  opacity: 0.9;
  transition: transform 260ms ease, opacity 260ms ease;
}

.media-photo-grid figure:hover img {
  transform: scale(1.04);
  opacity: 1;
}

.media-photo-grid figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
}

.gallery-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter,
.gallery-tools input {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.filter.active {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}

.gallery-tools input {
  min-width: min(280px, 100%);
  margin-left: auto;
}

.project-grid {
  columns: 3 280px;
  column-gap: 18px;
}

.project-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 18px;
  overflow: hidden;
}

.project-card.hidden {
  display: none;
}

.project-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.project-card:nth-child(2n) img {
  height: 360px;
}

.project-card div {
  padding: 22px;
}

.project-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.video-showcase {
  background: var(--white);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.video-tile {
  min-height: 260px;
  display: grid;
  align-items: end;
  padding: 22px;
  color: var(--white);
  background:
    linear-gradient(rgba(18, 24, 32, 0.2), rgba(18, 24, 32, 0.76)),
    url("https://images.unsplash.com/photo-1581094288338-2314dddb7ece?auto=format&fit=crop&w=900&q=80");
  background-size: cover;
  background-position: center;
}

.video-tile:nth-child(2) {
  background-image:
    linear-gradient(rgba(18, 24, 32, 0.2), rgba(18, 24, 32, 0.76)),
    url("https://images.unsplash.com/photo-1581092580497-e0d23cbdf1dc?auto=format&fit=crop&w=900&q=80");
}

.video-tile:nth-child(3) {
  background-image:
    linear-gradient(rgba(18, 24, 32, 0.2), rgba(18, 24, 32, 0.76)),
    url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=900&q=80");
}

.video-tile span {
  font-size: 24px;
  font-weight: 800;
}

.video-card {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  background: var(--charcoal);
}

.video-card video {
  width: 100%;
  height: 100%;
  min-height: 300px;
  display: block;
  object-fit: cover;
  opacity: 0.84;
}

.video-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(18, 24, 32, 0.08), rgba(18, 24, 32, 0.68));
  pointer-events: none;
}

.video-card span {
  position: absolute;
  z-index: 1;
  left: 22px;
  right: 22px;
  bottom: 22px;
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  background: var(--charcoal);
}

.quote-card {
  padding: 32px;
}

.quote-card p {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.45;
}

.quote-card strong {
  color: var(--blue);
}

.quote-section {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 42px;
  background: var(--white);
}

.phone-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--blue);
  font-size: 30px;
  font-weight: 800;
  text-decoration: none;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: #354250;
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  background: #fbfcfd;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
}

.wide {
  grid-column: 1 / -1;
}

.upload input {
  padding: 10px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 34px;
  color: var(--white);
  background: var(--blue-dark);
}

.contact h2 {
  color: var(--white);
}

.contact p,
.contact a {
  color: rgba(255, 255, 255, 0.82);
}

.emergency {
  display: inline-block;
  padding: 12px 14px;
  background: var(--orange);
  color: var(--charcoal) !important;
  font-weight: 800;
}

.map-card {
  min-height: 340px;
  display: grid;
  align-content: end;
  gap: 12px;
  padding: 28px;
  background:
    linear-gradient(rgba(18, 24, 32, 0.08), rgba(18, 24, 32, 0.72)),
    url("https://images.unsplash.com/photo-1518005020951-eccb494ad742?auto=format&fit=crop&w=900&q=80");
  background-size: cover;
  background-position: center;
}

.map-card span {
  color: var(--orange);
  font-weight: 800;
  text-transform: uppercase;
}

.map-card strong {
  font-size: 24px;
  line-height: 1.22;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px min(5vw, 64px);
  color: rgba(255, 255, 255, 0.74);
  background: #0c1117;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--white);
}

.page-hero {
  min-height: 58vh;
  display: grid;
  align-items: end;
  padding: 150px min(5vw, 64px) 70px;
  color: var(--white);
  background:
    linear-gradient(100deg, rgba(12, 18, 25, 0.88), rgba(12, 18, 25, 0.48)),
    url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1800&q=82");
  background-position: center;
  background-size: cover;
}

.page-hero h1 {
  max-width: 900px;
}

.page-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 21px;
  line-height: 1.55;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.content-panel {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 38px rgba(25, 39, 52, 0.08);
}

.content-panel ul {
  margin: 0;
  padding-left: 20px;
  color: #546170;
  line-height: 1.8;
}

.services-intro {
  background: var(--white);
}

.service-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-photo-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 38px rgba(25, 39, 52, 0.08);
}

.service-photo-card img {
  width: 100%;
  height: 235px;
  object-fit: cover;
}

.service-photo-card div {
  min-height: 245px;
  padding: 24px;
  border-top: 6px solid var(--blue);
}

.service-photo-card span,
.service-detail .eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.service-photo-card p {
  color: #546170;
  line-height: 1.6;
}

.service-photo-card.plumbing div,
.service-detail.plumbing {
  border-color: #0e7c86;
}

.service-photo-card.hydronic div,
.service-detail.hydronic {
  border-color: #b95d42;
}

.service-photo-card.snow div,
.service-detail.snow {
  border-color: #4f7da6;
}

.service-photo-card.hvac div,
.service-detail.hvac {
  border-color: #0e5e91;
}

.service-photo-card.electrical div,
.service-detail.electrical {
  border-color: #d39b2c;
}

.service-photo-card.commercial div,
.service-detail.commercial {
  border-color: #627331;
}

.service-photo-card.plumbing span,
.service-detail.plumbing .eyebrow {
  color: #0e7c86;
}

.service-photo-card.hydronic span,
.service-detail.hydronic .eyebrow {
  color: #b95d42;
}

.service-photo-card.snow span,
.service-detail.snow .eyebrow {
  color: #4f7da6;
}

.service-photo-card.hvac span,
.service-detail.hvac .eyebrow {
  color: #0e5e91;
}

.service-photo-card.electrical span,
.service-detail.electrical .eyebrow {
  color: #b97816;
}

.service-photo-card.commercial span,
.service-detail.commercial .eyebrow {
  color: #627331;
}

.service-detail-band {
  display: grid;
  gap: 22px;
  background: #eef2f6;
}

.service-detail {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  overflow: hidden;
  background: var(--white);
  border-left: 8px solid var(--blue);
  box-shadow: 0 18px 38px rgba(25, 39, 52, 0.08);
}

.service-detail:nth-child(even) {
  grid-template-columns: 1.1fr 0.9fr;
}

.service-detail:nth-child(even) img {
  order: 2;
}

.service-detail img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.service-detail div {
  padding: 34px;
}

.service-detail h3 {
  font-size: 34px;
}

.service-detail ul {
  margin: 22px 0 0;
  padding-left: 20px;
  color: #546170;
  line-height: 1.8;
}

.process-list {
  display: grid;
  gap: 14px;
  counter-reset: process;
}

.process-list div {
  position: relative;
  padding: 22px 22px 22px 72px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
}

.process-list p {
  color: #546170;
  line-height: 1.6;
}

.process-list div::before {
  counter-increment: process;
  content: counter(process);
  position: absolute;
  left: 22px;
  top: 22px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--orange);
  color: var(--charcoal);
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: start;
}

.map-frame {
  width: 100%;
  min-height: 380px;
  border: 0;
}

.section-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.section-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-nav {
    position: absolute;
    inset: 80px 18px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: rgba(18, 24, 32, 0.98);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero,
  .why,
  .quote-section,
  .contact,
  .split-section {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .video-grid,
  .content-grid,
  .service-photo-grid,
  .media-photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .media-photo-grid figure,
  .media-photo-grid figure:nth-child(1),
  .media-photo-grid figure:nth-child(2),
  .media-photo-grid figure:nth-child(3),
  .media-photo-grid figure:nth-child(4),
  .media-photo-grid figure:nth-child(5),
  .media-photo-grid figure:nth-child(6) {
    grid-column: span 1;
  }

  .hero {
    min-height: 860px;
  }

  .hero-panel {
    max-width: 520px;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand small {
    display: none;
  }

  .brand-logo {
    width: 54px;
    height: 38px;
  }

  .hero {
    min-height: 760px;
    padding: 124px 22px 42px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 32px;
  }

  section {
    padding: 64px 22px;
  }

  .service-grid,
  .video-grid,
  .content-grid,
  .service-photo-grid,
  .media-photo-grid,
  .testimonials,
  .stats,
  .value-list,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .service-detail,
  .service-detail:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .service-detail:nth-child(even) img {
    order: 0;
  }

  .service-detail img {
    min-height: 260px;
  }

  .gallery-tools input {
    margin-left: 0;
  }

  .site-footer {
    display: block;
  }
}