:root {
  --ink: #102033;
  --muted: #5a6775;
  --line: #d9e1e8;
  --paper: #f7fafc;
  --white: #ffffff;
  --blue: #0c6fb8;
  --blue-dark: #084a7a;
  --red: #d2473b;
  --green: #2f8a57;
  --shadow: 0 20px 60px rgba(16, 32, 51, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(217, 225, 232, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--red));
  font-weight: 800;
}

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

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  gap: clamp(14px, 2vw, 28px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav a:hover {
  color: var(--blue-dark);
}

.header-call,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 18px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.header-call,
.button.primary {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 10px 24px rgba(210, 71, 59, 0.24);
}

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.button.outline {
  color: var(--blue-dark);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 28px;
  padding: 120px clamp(18px, 5vw, 72px) 38px;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 23, 39, 0.86) 0%, rgba(6, 23, 39, 0.54) 48%, rgba(6, 23, 39, 0.18) 100%),
    url("assets/facebook-water-heater-1.png") center / cover;
  transform: scale(1.01);
}

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

.hero-content {
  max-width: 760px;
  padding-bottom: 38px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f4c5bf;
}

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

h1 {
  margin-bottom: 18px;
  max-width: 780px;
  font-size: clamp(44px, 7vw, 76px);
  line-height: 0.98;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-card {
  align-self: end;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(7, 32, 53, 0.68);
  backdrop-filter: blur(10px);
}

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

.hero-card span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.82);
}

.veteran-offer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.veteran-offer .flag-icon {
  flex: 0 0 auto;
  display: block;
  width: 48px;
  height: 32px;
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.24);
}

.veteran-offer .flag-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.veteran-offer span:last-child {
  margin: 0;
  color: var(--white);
  font-weight: 900;
  line-height: 1.2;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip div {
  padding: 24px clamp(18px, 4vw, 56px);
  background: var(--white);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 82px clamp(18px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: 44px;
  align-items: start;
  background: var(--white);
}

.section-copy p,
.maintenance-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.service-card p {
  color: var(--muted);
}

.icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #e6f1f8;
  color: var(--blue-dark);
}

.icon svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.photo-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: 46px;
  align-items: center;
  background: #eaf2f6;
}

.service-area {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 42px;
  align-items: start;
  background: #fdfefe;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.area-grid span {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font-weight: 800;
}

.photo-panel {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.photo-panel img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--green);
}

.photos {
  background: var(--white);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.photo-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.photo-grid img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.photo-grid figcaption {
  padding: 14px 16px;
  color: var(--ink);
  font-weight: 800;
}

.process {
  display: grid;
  grid-template-columns: minmax(230px, 0.65fr) minmax(0, 1.35fr);
  gap: 42px;
  background: var(--ink);
  color: var(--white);
}

.process .eyebrow {
  color: #99d6ff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.process-grid article {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.process-grid span {
  display: block;
  margin-bottom: 26px;
  color: #99d6ff;
  font-weight: 900;
}

.process-grid p {
  color: rgba(255, 255, 255, 0.74);
}

.reviews {
  background: var(--white);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.review-grid figure {
  margin: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

blockquote {
  margin: 0 0 18px;
  font-size: 19px;
  font-weight: 800;
}

figcaption {
  color: var(--muted);
  font-size: 14px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(300px, 1.15fr);
  gap: 42px;
  align-items: start;
  background: #fdfefe;
}

.contact-cards {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-cards a,
.contact-cards span {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 44px rgba(16, 32, 51, 0.08);
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c8d3dc;
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.76);
  background: #081723;
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer p {
  max-width: 430px;
  margin: 0;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .hero,
  .split,
  .service-area,
  .photo-band,
  .process,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 780px;
    align-items: end;
  }

  .hero-content {
    padding-bottom: 0;
  }

  .trust-strip,
  .photo-grid,
  .process-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    font-size: 14px;
  }

  .header-call {
    padding-inline: 13px;
  }

  .hero {
    min-height: 720px;
    padding: 96px 18px 24px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

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

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

  .section {
    padding: 60px 18px;
  }

  .site-footer {
    display: block;
  }

  .site-footer p {
    margin-top: 16px;
  }
}