:root {
  --red: #d0121a;
  --red-dark: #a40d14;
  --blue: #2ea8e0;
  --blue-deep: #0d4f78;
  --green: #3a8f4a;
  --ink: #16181d;
  --muted: #5c6370;
  --paper: #f6f3ee;
  --white: #ffffff;
  --line: rgba(22, 24, 29, 0.1);
  --shadow: 0 18px 40px rgba(13, 79, 120, 0.12);
  --radius: 18px;
  --header-h: 4.75rem;
  --max: 70rem;
  --gutter: clamp(1.35rem, 4vw, 2rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Outfit, system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--white);
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 243, 238, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0.55rem var(--gutter);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  flex: 0 0 auto;
}

.brand img {
  height: 3.35rem;
  width: auto;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 1.35rem;
}

.nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--red);
}

.call-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  text-decoration: none;
  background: var(--red);
  color: var(--white);
  border-radius: 999px;
  padding: 0.45rem 1rem 0.5rem;
  line-height: 1.15;
  flex-shrink: 0;
}

.call-btn:hover,
.call-btn:focus-visible {
  background: var(--red-dark);
}

.call-btn-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

.call-btn-number {
  font-weight: 700;
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

section[id] {
  scroll-margin-top: 5.25rem;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0 0 0.85rem;
}

h1 {
  font-size: clamp(2.15rem, 4.4vw, 3.5rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.02em;
}

.lede,
.section-head p,
.why p,
.area p,
.contact p {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.35rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  min-height: 3rem;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--red-dark);
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--ink);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.btn-large {
  font-size: 1.25rem;
  padding: 1rem 1.6rem;
}

.hero-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.hero-points li::before {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--green);
}

.hero-panel {
  background: linear-gradient(160deg, var(--blue-deep), #16324a 55%, #8a1c22);
  color: var(--white);
  border-radius: 28px;
  padding: 1.6rem;
  min-height: 18rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  box-shadow: var(--shadow);
}

.temp-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 1.1rem;
}

.temp-card span {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.temp-card strong {
  font-size: 2.6rem;
  font-weight: 800;
}

.temp-card.heat strong {
  color: #ffb4b0;
}

.temp-card.cool strong {
  color: #9ee4ff;
}

.hero-panel-note {
  grid-column: 1 / -1;
  margin: 0.4rem 0 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.15rem;
}

.services,
.why,
.contact {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) 4rem;
}

.section-head {
  margin-bottom: 1.75rem;
}

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

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
}

.card h3 {
  margin-top: 0.85rem;
}

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

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
}

.heat-icon {
  background: linear-gradient(135deg, #ff6a4d, var(--red));
}

.cool-icon {
  background: linear-gradient(135deg, #7ad7ff, var(--blue));
}

.maintain-icon {
  background: linear-gradient(135deg, #7dcc88, var(--green));
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.why-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.why-list li {
  background: var(--white);
  border-left: 4px solid var(--blue);
  padding: 1rem 1.1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.why-list strong {
  display: block;
  margin-bottom: 0.2rem;
}

.area {
  background: var(--blue-deep);
  color: var(--white);
  margin-bottom: 3rem;
}

.area-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.25rem var(--gutter);
}

.area .eyebrow {
  color: #9ee4ff;
}

.area p {
  color: rgba(255, 255, 255, 0.84);
}

.contact-card {
  background: var(--white);
  border-radius: 28px;
  padding: 2.2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  display: grid;
  justify-items: center;
  gap: 0.35rem;
}

.contact-logo {
  height: 5.5rem;
  width: auto;
  margin-bottom: 0.4rem;
}

.hours-note {
  font-size: 0.95rem !important;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem var(--gutter) 5.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: var(--max);
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer a {
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.mobile-call-bar {
  display: none;
}

@media (max-width: 860px) {
  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 0.75rem var(--gutter) 1rem;
    gap: 0.85rem;
  }

  .nav.open {
    display: flex;
  }

  .call-btn {
    margin-left: auto;
  }

  .hero-grid,
  .card-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: 0;
  }

  .brand img {
    height: 2.85rem;
  }

  .mobile-call-bar {
    display: flex;
    position: fixed;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    z-index: 40;
    align-items: center;
    justify-content: center;
    min-height: 3.15rem;
    background: var(--red);
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    border-radius: 999px;
    box-shadow: 0 10px 24px rgba(208, 18, 26, 0.35);
  }
}

@media (max-width: 520px) {
  .call-btn-label {
    display: none;
  }

  .header-inner {
    gap: 0.6rem;
  }

  .call-btn {
    padding: 0.65rem 0.85rem;
  }
}