*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Open Sans', sans-serif;
  color: #222;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* HEADER */
.header {
  background: #000;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo { height: 90px; }

.logo-placeholder {
  height: 60px;
  background: #1a1a1a;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 14px;
  border: 2px solid #db7a2e;
  border-radius: 4px;
}

.menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
}

.mobile-nav {
  display: none;
  background: #111;
  position: fixed;
  top: 110px;
  left: 0;
  right: 0;
  z-index: 99;
}

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

.mobile-nav a {
  display: block;
  color: #fff;
  padding: 16px 20px;
  border-bottom: 1px solid #222;
  font-family: 'Oswald', sans-serif;
  font-size: 17px;
}

/* HERO */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('images/hero.png') center/cover no-repeat;
  background-color: #333;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero h1 {
  color: #fff;
  font-size: 34px;
  margin-bottom: 20px;
}

.hero p {
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 28px;
}

/* SERVICE HERO (shorter, uses same bg unless overridden) */
.hero-service { min-height: 50vh; }

/* BUTTONS */
.btn-gold {
  display: inline-block;
  background: #db7a2e;
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-size: 17px;
  font-weight: 600;
  padding: 14px 44px;
  border: 2px solid #db7a2e;
}

.btn-gold-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #db7a2e;
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-size: 17px;
  font-weight: 600;
  padding: 14px 36px;
  border: none;
}

/* SECTIONS */
.section { padding: 48px 20px; max-width: 800px; margin: 0 auto; }
.section-gray { padding: 48px 20px; background: #f5f5f3; }

/* ABOUT */
.about { padding: 48px 20px; text-align: center; max-width: 720px; margin: 0 auto; }
.about h2 { font-size: 28px; margin-bottom: 20px; }
.about > p { font-size: 15px; color: #444; line-height: 1.8; margin-bottom: 28px; }

.creds {
  text-align: left;
  max-width: 400px;
  margin: 0 auto 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cred {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
}

.cred-icon {
  width: 22px;
  height: 22px;
  background: #db7a2e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cred-icon svg { width: 13px; height: 13px; fill: #fff; }

.img-slot {
  background: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 13px;
}

/* CTA BANNER */
.cta {
  position: relative;
  padding: 72px 20px;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: url('images/furnace-install.png') center/cover no-repeat;
  background-color: #222;
}

.cta-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
}

.cta-content { position: relative; z-index: 1; }

.cta .eyebrow {
  color: #db7a2e;
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.cta h2 { color: #fff; font-size: 28px; margin-bottom: 10px; }
.cta .sub { color: rgba(255,255,255,0.7); font-size: 15px; margin-bottom: 24px; }

/* SERVICES */
.services { padding: 48px 16px; background: #f5f5f3; }
.services h2 { text-align: center; font-size: 28px; margin-bottom: 32px; }

.services-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.svc { background: #fff; padding: 28px 20px; text-align: center; }
.svc h3 { font-size: 22px; margin-bottom: 8px; }
.svc h3 a { color: #222; }
.svc h3 a:hover { color: #db7a2e; }
.svc p { font-size: 14px; color: #555; line-height: 1.7; }

/* GALLERY */
.gallery { padding: 48px 16px; }
.gallery h2 { text-align: center; font-size: 28px; margin-bottom: 24px; }

.gallery-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.gallery-list img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.gallery-list .img-slot { width: 100%; height: 300px; }

/* REVIEWS */
.reviews { padding: 48px 16px; background: #f5f5f3; }
.reviews-head { text-align: center; margin-bottom: 32px; }
.reviews-head h2 { font-size: 28px; margin-bottom: 8px; }
.reviews-head .stars { color: #fbbc04; font-size: 20px; letter-spacing: 2px; }

.reviews-head .g-line {
  margin-top: 8px;
  font-size: 14px;
  color: #777;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.g-text { font-weight: 700; font-size: 15px; }
.g-text .c1 { color: #4285F4; }
.g-text .c2 { color: #EA4335; }
.g-text .c3 { color: #FBBC05; }
.g-text .c4 { color: #4285F4; }
.g-text .c5 { color: #34A853; }
.g-text .c6 { color: #EA4335; }

.reviews-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rev { background: #fff; padding: 20px; }

.rev-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.rev-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #db7a2e;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 17px;
  flex-shrink: 0;
}

.rev-name { font-weight: 700; font-size: 14px; }
.rev-date { font-size: 12px; color: #999; }
.rev-stars { color: #fbbc04; font-size: 15px; letter-spacing: 1px; margin-bottom: 8px; }
.rev p { font-size: 14px; color: #555; line-height: 1.7; }

/* FAQ */
.faq { padding: 48px 20px; max-width: 720px; margin: 0 auto; }
.faq h2 { font-size: 28px; margin-bottom: 24px; text-align: center; }

.faq-item { border-bottom: 1px solid #e0e0e0; padding: 16px 0; }
.faq-item h3 { font-size: 17px; margin-bottom: 8px; color: #222; }
.faq-item p { font-size: 14px; color: #555; line-height: 1.7; }

/* SERVICE DETAIL */
.svc-detail { padding: 48px 20px; max-width: 720px; margin: 0 auto; }
.svc-detail h2 { font-size: 24px; margin-bottom: 16px; }
.svc-detail p { font-size: 15px; color: #444; line-height: 1.8; margin-bottom: 16px; }
.svc-detail ul { margin: 0 0 20px 20px; }
.svc-detail li { font-size: 15px; color: #444; line-height: 1.8; margin-bottom: 6px; }

.svc-detail img {
  width: 100%;
  height: auto;
  margin: 24px 0;
}

/* OTHER SERVICES */
.other-services { padding: 48px 20px; background: #f5f5f3; }
.other-services h2 { text-align: center; font-size: 24px; margin-bottom: 24px; }

.other-services-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.other-services-list a {
  display: block;
  background: #fff;
  padding: 16px 20px;
  font-family: 'Oswald', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: #222;
}

.other-services-list a:hover { color: #db7a2e; }

/* FOOTER */
.footer {
  background: #000;
  color: rgba(255,255,255,0.75);
  padding: 56px 20px 32px;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  text-align: center;
}

.footer-brand {
  font-family: 'Oswald', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: #db7a2e;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
}

.footer-col h4 {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  color: #db7a2e;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.footer-col p,
.footer-col a {
  font-size: 14px;
  line-height: 2;
  color: rgba(255,255,255,0.7);
}

.footer-col a:hover { color: #db7a2e; }

.footer-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Oswald', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: #db7a2e;
  margin-top: 8px;
}

.footer-services-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-services-list a {
  display: block;
  font-size: 14px;
}

.footer-bottom {
  max-width: 900px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  line-height: 1.8;
}

@media (min-width: 600px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr 1fr;
    text-align: left;
  }
}

/* RESPONSIVE */
@media (min-width: 600px) {
  .services-list { display: grid; grid-template-columns: 1fr 1fr; }
  .gallery-list { display: grid; grid-template-columns: 1fr 1fr; }
  .reviews-list { display: grid; grid-template-columns: 1fr 1fr; }
  .other-services-list { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .hero h1 { font-size: 44px; }
  .services-list { grid-template-columns: 1fr 1fr 1fr; }
  .gallery-list { grid-template-columns: 1fr 1fr 1fr; }
}