/* Gambill's Heating & Air — Sejuk-inspired layout, brand palette only. */

:root {
  --gha-red: #d7101d;
  --gha-red-dark: #b40d18;
  --gha-black: #000000;
  --gha-charcoal: #474747;
  --gha-white: #ffffff;
  --gha-gold: #f5b41a;
  --gha-gold-hover: #d99a00;
  --gha-bg: #ffffff;
  --gha-bg-soft: #f4f4f4;
  --gha-bg-dark: #111111;
  --gha-border: #e6e6e6;
  --gha-muted: #6b6b6b;
  --font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --container: 1180px;
  --header: 86px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--gha-charcoal);
  background: var(--gha-bg);
}

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

a {
  color: var(--gha-red);
  text-decoration: none;
}

a:hover {
  color: var(--gha-red-dark);
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font);
  color: var(--gha-black);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  font-weight: 800;
}

h3 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gha-red);
  color: var(--gha-white);
  padding: 0.6rem 1rem;
  z-index: 1000;
}

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

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section--soft {
  background: var(--gha-bg-soft);
}

.section--dark {
  background: var(--gha-bg-dark);
  color: #d4d4d4;
}

.section--dark h2,
.section--dark h3,
.section--dark .section__title {
  color: var(--gha-white);
}

.section__head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  color: var(--gha-red);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.section--dark .eyebrow {
  color: var(--gha-red);
}

.lead {
  font-size: 1.08rem;
  color: var(--gha-muted);
}

.section--dark .lead {
  color: #c8c8c8;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 50px;
  padding: 0.8rem 1.45rem;
  border: 2px solid transparent;
  border-radius: 6px;
  background: var(--gha-gold);
  color: var(--gha-black);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-transform: none;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--gha-gold-hover);
  color: var(--gha-black);
}

.btn--outline {
  background: transparent;
  border-color: var(--gha-white);
  color: var(--gha-white);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--gha-white);
  color: var(--gha-black);
}

.btn--dark {
  background: var(--gha-black);
  color: var(--gha-white);
}

.btn--dark:hover,
.btn--dark:focus-visible {
  background: #222;
  color: var(--gha-white);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

:focus-visible {
  outline: 3px solid var(--gha-red);
  outline-offset: 3px;
}

/* Header */

.topbar {
  background: var(--gha-red);
  color: var(--gha-white);
  font-size: 0.82rem;
  font-weight: 500;
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 38px;
}

.topbar a {
  color: var(--gha-white);
}

.topbar a:hover {
  color: var(--gha-black);
}

.topbar__links {
  display: flex;
  gap: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--gha-white);
  border-bottom: 1px solid var(--gha-border);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header);
}

.logo img {
  height: 56px;
  width: auto;
}

.nav {
  margin-left: auto;
}

.nav .menu {
  display: flex;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav .menu a {
  display: block;
  padding: 0.55rem 0.7rem;
  color: var(--gha-black);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav .menu a:hover,
.nav .current-menu-item > a {
  color: var(--gha-red);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.header__phone {
  display: flex;
  flex-direction: column;
  color: var(--gha-black);
  line-height: 1.15;
  font-weight: 800;
}

.header__phone span {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gha-red);
}

.header__phone strong {
  font-size: 1.02rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--gha-border);
  border-radius: 6px;
  background: var(--gha-white);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--gha-black);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

/* Hero */

.hero {
  position: relative;
  color: var(--gha-white);
  background: var(--gha-black) center / cover no-repeat;
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 4.5rem 0 6.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(215, 16, 29, 0.28) 0%, rgba(0, 0, 0, 0.78) 42%, rgba(0, 0, 0, 0.4) 100%);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero .eyebrow {
  color: var(--gha-red);
}

.hero h1 {
  color: var(--gha-white);
  margin-bottom: 0.8rem;
}

.hero p {
  max-width: 34rem;
  color: #e7e7e7;
  font-size: 1.12rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.7rem;
  border: 1px solid rgba(215, 16, 29, 0.85);
  border-radius: 999px;
  color: var(--gha-white);
  background: rgba(215, 16, 29, 0.22);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-hero {
  position: relative;
  background: var(--gha-black) center / cover no-repeat;
  color: var(--gha-white);
  padding: 4.5rem 0 3.5rem;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.5));
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--gha-white);
  max-width: 18ch;
}

.page-hero p {
  max-width: 40rem;
  color: #e4e4e4;
}

/* Cards / trust / services */

.trust {
  margin-top: -4.2rem;
  position: relative;
  z-index: 2;
  padding-bottom: 0;
}

.trust__grid,
.cards-3,
.cards-4,
.services-grid,
.steps,
.areas,
.compare {
  display: grid;
  gap: 1.25rem;
}

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

.cards-4,
.services-grid,
.areas {
  grid-template-columns: repeat(3, 1fr);
}

.card,
.feature,
.area-card,
.plan-card {
  background: var(--gha-white);
  border: 1px solid var(--gha-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.45rem;
  box-shadow: var(--shadow-soft);
}

.feature h3,
.area-card h3,
.plan-card h3 {
  margin-bottom: 0.4rem;
}

.icon-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 10px;
  background: #fde8e9;
  color: var(--gha-red);
  font-weight: 800;
}

.service-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  min-height: 260px;
  color: var(--gha-white);
  display: flex;
  align-items: flex-end;
  padding: 1.4rem;
  background: var(--gha-charcoal) center / cover no-repeat;
  text-decoration: none;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.78));
}

.service-card span,
.service-card strong {
  position: relative;
  z-index: 1;
}

.service-card strong {
  display: block;
  color: var(--gha-white);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.service-card span {
  display: block;
  color: var(--gha-red);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.service-card:hover strong {
  color: var(--gha-white);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.split__media img,
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  min-height: 380px;
}

.check-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.check-list li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.7rem;
  font-weight: 600;
  color: var(--gha-black);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gha-red);
}

.section--dark .check-list li {
  color: var(--gha-white);
}

.steps article {
  background: var(--gha-white);
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.5rem;
  border: 1px solid var(--gha-border);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--gha-red);
  color: var(--gha-white);
  font-weight: 800;
}

.cta-band {
  background: var(--gha-red);
  color: var(--gha-white);
  padding: 3.2rem 0;
}

.cta-band h2,
.cta-band p {
  color: var(--gha-white);
}

.cta-band__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cta-band p {
  margin: 0.4rem 0 0;
  max-width: 36rem;
}

.cta-band .btn {
  background: var(--gha-gold);
  color: var(--gha-black);
}

.cta-band .btn:hover,
.cta-band .btn:focus-visible {
  background: var(--gha-gold-hover);
  color: var(--gha-black);
}

.cta-band .btn--outline {
  background: transparent;
  border-color: var(--gha-white);
  color: var(--gha-white);
}

.cta-band .btn--outline:hover,
.cta-band .btn--outline:focus-visible {
  background: var(--gha-white);
  color: var(--gha-red);
}

.plan-card.is-featured {
  border-color: var(--gha-red);
  box-shadow: var(--shadow);
}

.plan-card .eyebrow {
  margin-bottom: 0.4rem;
}

.plan-card ul {
  margin: 1rem 0 1.4rem;
  padding-left: 1.1rem;
}

.reviews-empty {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  background: var(--gha-white);
  border: 1px dashed #cfcfcf;
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
}

/* Forms */

.form-card {
  background: var(--gha-white);
  color: var(--gha-charcoal);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem 1.4rem;
  box-shadow: var(--shadow);
}

.form-card p {
  color: var(--gha-charcoal);
  max-width: none;
}

.form-card h2,
.form-card h3 {
  color: var(--gha-black);
}

.form-card .eyebrow {
  color: var(--gha-red);
}

.form-grid {
  display: grid;
  gap: 0.85rem;
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gha-black);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  min-height: 46px;
  padding: 0.65rem 0.8rem;
  font: inherit;
  color: var(--gha-black);
  background: #fafafa;
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--gha-red);
  border-color: var(--gha-red);
  background: var(--gha-white);
}

.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.form-status {
  padding: 0.8rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-weight: 600;
}

.form-card .form-status--ok {
  background: #e9f7ee;
  color: #14532d;
}

.form-card .form-status--err {
  background: #fde8e9;
  color: #7f1d1d;
}

.check-inline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.95rem;
}

/* Tables / FAQ */

.compare-wrap {
  overflow-x: auto;
}

.compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--gha-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.compare th,
.compare td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gha-border);
}

.compare th {
  background: var(--gha-black);
  color: var(--gha-white);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compare td:nth-child(3) {
  font-weight: 700;
  color: var(--gha-black);
}

.faq details {
  background: var(--gha-white);
  border: 1px solid var(--gha-border);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.7rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--gha-black);
}

.faq details p {
  margin-top: 0.7rem;
}

/* Footer */

.site-footer {
  background: var(--gha-black);
  color: #cfcfcf;
  padding: 3.5rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #2a2a2a;
}

.site-footer .logo img {
  height: 52px;
  margin-bottom: 1rem;
}

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

.site-footer a:hover {
  color: var(--gha-red);
}

.site-footer h3 {
  color: var(--gha-white);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 0.45rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1.15rem;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: #1d1d1d;
  color: var(--gha-white);
  font-size: 1.25rem;
  line-height: 1;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: var(--gha-white);
  background: var(--gha-red);
}

.contact-split .social-links a {
  background: #f4f4f4;
  color: var(--gha-black);
}

.contact-split .social-links a:hover,
.contact-split .social-links a:focus-visible {
  background: var(--gha-red);
  color: var(--gha-white);
}

.reviews-empty .social-links {
  justify-content: center;
}

.btn .fa-brands {
  font-size: 1.05em;
}

.footer__legal {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.2rem;
  font-size: 0.82rem;
  color: #9a9a9a;
}

.mobile-cta {
  display: none;
}

/* Inner content blocks */

.prose {
  max-width: 68ch;
}

.contact-split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

.info-list dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gha-red);
  margin-top: 1.1rem;
}

.info-list dd {
  margin: 0.2rem 0 0;
  font-weight: 700;
  color: var(--gha-black);
  font-size: 1.15rem;
}

/* Responsive */

@media (max-width: 980px) {
  .hero__grid,
  .split,
  .contact-split,
  .footer__grid,
  .cta-band__inner {
    grid-template-columns: 1fr;
  }

  .cta-band__inner,
  .footer__legal,
  .topbar__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .trust__grid,
  .cards-3,
  .cards-4,
  .services-grid,
  .steps,
  .areas {
    grid-template-columns: 1fr 1fr;
  }

  .header__phone {
    display: none;
  }

  .trust {
    margin-top: 0;
    padding-top: 2rem;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
    margin-left: auto;
  }

  .header__actions .btn {
    display: none;
  }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--gha-white);
    border-bottom: 1px solid var(--gha-border);
    padding: 0.5rem 1.25rem 1.25rem;
  }

  .is-open .nav {
    display: block;
  }

  .nav .menu {
    flex-direction: column;
  }

  .mobile-cta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    padding: 0.65rem 0.75rem calc(0.65rem + env(safe-area-inset-bottom));
    background: var(--gha-white);
    border-top: 1px solid var(--gha-border);
  }

  body {
    padding-bottom: 76px;
  }

  .logo img {
    height: 44px;
  }
}

@media (max-width: 640px) {
  .trust__grid,
  .cards-3,
  .cards-4,
  .services-grid,
  .steps,
  .areas,
  .form-grid--2 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding: 3rem 0 5.5rem;
  }

  .topbar__links {
    flex-direction: column;
    gap: 0.15rem;
  }
}