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

body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: #1e1f24;
  background-color: #f6f5f2;
  line-height: 1.6;
}

a {
  color: #1c5c52;
  text-decoration: none;
}

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid #1c5c52;
  outline-offset: 2px;
}

.page {
  width: 100%;
  overflow-x: hidden;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6%;
  background-color: #f6f5f2;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand h2 {
  font-size: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.ad-label {
  font-size: 12px;
  color: #6b6f76;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.hero {
  display: flex;
  gap: 40px;
  padding: 50px 6% 70px;
  align-items: stretch;
  background-color: #efece5;
}

.hero-text,
.hero-media {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-text h1 {
  font-size: 42px;
  line-height: 1.1;
  margin-bottom: 18px;
}

.hero-text p {
  font-size: 18px;
  margin-bottom: 20px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 24px;
  border: 1px solid #1c5c52;
  background-color: #1c5c52;
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}

.btn.light {
  background-color: transparent;
  color: #1c5c52;
}

.image-frame {
  background-color: #d8d3c9;
  border-radius: 18px;
  overflow: hidden;
  min-height: 320px;
  display: flex;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.section {
  padding: 70px 6%;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.split {
  display: flex;
  gap: 36px;
  align-items: center;
}

.split.reverse {
  flex-direction: row-reverse;
}

.split .content {
  flex: 1;
}

.split .content h3 {
  font-size: 30px;
  margin-bottom: 12px;
}

.split .content p {
  max-width: 520px;
}

.tinted {
  background-color: #f0f3f2;
}

.accent {
  background-color: #1c5c52;
  color: #fff;
}

.bg-roof {
  background-color: #3a3a3a;
  background-image: url("https://images.pexels.com/photos/31813821/pexels-photo-31813821.jpeg");
  background-size: cover;
  background-position: center;
  color: #fff;
  position: relative;
}

.bg-roof::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(20, 20, 20, 0.45);
}

.bg-roof .content-overlay {
  position: relative;
  z-index: 1;
}

.bg-duct {
  background-color: #1b2a2f;
  background-image: url("https://images.pexels.com/photos/6728023/pexels-photo-6728023.jpeg");
  background-size: cover;
  background-position: center;
  color: #f7f3e8;
  position: relative;
}

.bg-duct::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(15, 28, 32, 0.6);
}

.bg-duct .content-overlay {
  position: relative;
  z-index: 1;
}

.accent a {
  color: #f7f3e8;
  text-decoration: underline;
}

.services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.service-card {
  background-color: #fff;
  border-radius: 16px;
  padding: 18px;
  flex: 1 1 250px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 220px;
}

.service-card h4 {
  font-size: 20px;
}

.price {
  font-size: 18px;
  color: #1c5c52;
  font-weight: 600;
}

.stats-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.stat {
  background-color: #fff;
  padding: 18px;
  border-radius: 14px;
  flex: 1 1 160px;
}

.form-wrap {
  display: flex;
  gap: 30px;
  align-items: stretch;
}

.form-panel,
.form-aside {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: #fff;
  padding: 24px;
  border-radius: 16px;
}

.radio-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-item {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background-color: #f4f2ee;
}

label {
  font-size: 14px;
}

input,
select,
textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #c6c1b7;
  font-size: 14px;
}

.footer {
  padding: 40px 6%;
  background-color: #1f1f1f;
  color: #d9d6cf;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: #d9d6cf;
}

.disclaimer {
  font-size: 13px;
  color: #b7b2a8;
}

.sticky-cta {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background-color: #1c5c52;
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 10;
}

.cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  background-color: #ffffff;
  border-radius: 14px;
  padding: 16px 18px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 20;
}

.cookie-actions {
  display: flex;
  gap: 10px;
}

.cookie-actions button {
  border: 1px solid #1c5c52;
  background-color: #1c5c52;
  color: #fff;
  padding: 8px 14px;
  border-radius: 20px;
  cursor: pointer;
}

.cookie-actions .reject {
  background-color: transparent;
  color: #1c5c52;
}

.page-hero {
  padding: 60px 6% 40px;
  background-color: #efece5;
}

.page-hero h1 {
  font-size: 36px;
}

.page-content {
  padding: 40px 6% 70px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-grid {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.contact-card {
  background-color: #fff;
  padding: 18px;
  border-radius: 14px;
  flex: 1 1 240px;
}

.plain-email {
  font-weight: 600;
  color: #1c5c52;
}

.thanks {
  padding: 80px 6%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background-color: #f0f3f2;
  min-height: 70vh;
}

.reference-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .form-wrap {
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .sticky-cta {
    right: 14px;
    bottom: 14px;
  }
}