* {
  box-sizing: border-box;
}

:root {
  --ink: #1c1f24;
  --muted: #5a616a;
  --accent: #2e6b4f;
  --accent-dark: #1f4a37;
  --surface: #f6f4ef;
  --surface-strong: #ece7df;
  --line: #d5d0c8;
  --highlight: #f0f7f3;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.6;
}

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

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

main {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-bar {
  padding: 18px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand strong {
  font-size: 1.2rem;
  letter-spacing: 0.04em;
}

.ad-label {
  font-size: 0.85rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  font-size: 0.95rem;
}

.cta-link {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cta-link.secondary {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent-dark);
}

.hero {
  padding: 70px 8% 40px;
  background: var(--surface);
}

.hero-heat {
  background-color: #e6e1d8;
  background-image: url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=1400&q=80");
  background-size: cover;
  background-position: center;
}

.panel-ducts {
  background-color: #e3efe9;
  background-image: url("https://images.unsplash.com/photo-1504309092620-4d0ec726efa4?w=1400&q=80");
  background-size: cover;
  background-position: center;
}

.panel-workshop {
  background-color: #ede7de;
  background-image: url("https://images.unsplash.com/photo-1482192596544-9eb780fc7f66?w=1400&q=80");
  background-size: cover;
  background-position: center;
}

.split {
  display: flex;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

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

.split > div {
  flex: 1 1 320px;
}

.panel {
  padding: 60px 8%;
  border-top: 1px solid var(--line);
}

.panel.highlight {
  background: var(--highlight);
}

.panel.surface {
  background: var(--surface);
}

.panel.strong {
  background: var(--surface-strong);
}

.section-title {
  font-size: 2rem;
  margin: 0 0 12px;
}

.section-intro {
  color: var(--muted);
  margin: 0 0 20px;
  max-width: 520px;
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.card {
  flex: 1 1 230px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card img {
  border-radius: 12px;
}

.price {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent-dark);
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.quote {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  color: var(--muted);
}

.form-wrapper {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  background: #fff;
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

label {
  font-weight: 600;
}

input,
select,
textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 1rem;
}

button {
  padding: 12px 18px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
}

.sticky-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--accent-dark);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  z-index: 5;
}

.footer {
  padding: 40px 8%;
  background: #1d1f1c;
  color: #f2f2f2;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer a {
  color: #f2f2f2;
}

.footer-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-columns > div {
  flex: 1 1 220px;
}

.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  display: none;
  z-index: 6;
}

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

.cookie-actions button {
  background: var(--accent);
}

.cookie-actions .reject {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent-dark);
}

.image-frame {
  background-color: #e8e3da;
  border-radius: 18px;
  overflow: hidden;
}

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

.stack-gap {
  margin-top: 18px;
}

.muted {
  color: var(--muted);
}

@media (max-width: 900px) {
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .sticky-cta {
    right: 12px;
    bottom: 12px;
  }
}