* {
  box-sizing: border-box;
}

:root {
  --ink: #1e252b;
  --muted: #5a6670;
  --sand: #f4f1ed;
  --stone: #e7ecef;
  --slate: #24323f;
  --accent: #c87f42;
  --accent-dark: #9a5f2f;
  --line: #d6dadd;
  --white: #ffffff;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 6vw;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 0.95rem;
}

.ad-disclosure {
  font-size: 0.82rem;
  color: var(--muted);
  max-width: 260px;
  text-align: right;
}

.main {
  flex: 1;
}

.split-section {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 70px 6vw;
  align-items: center;
}

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

.split-text,
.split-media {
  flex: 1 1 320px;
}

.split-text h1,
.split-text h2,
.split-text h3 {
  margin-top: 0;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.panel {
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--white);
}

.panel.dark {
  background: var(--slate);
  color: var(--white);
}

.panel.dark a {
  color: var(--white);
  text-decoration: underline;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 24px;
  background: var(--accent);
  color: var(--white);
  font-weight: 600;
  border: none;
  cursor: pointer;
}

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

.btn:focus {
  outline: 2px solid var(--accent-dark);
  outline-offset: 2px;
}

.inline-link {
  color: var(--accent-dark);
  text-decoration: underline;
}

.img-wrap {
  width: 100%;
  height: 100%;
  border-radius: 18px;
  overflow: hidden;
}

.img-sand {
  background: var(--sand);
}

.img-stone {
  background: var(--stone);
}

.img-slate {
  background: #2f3f4c;
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.card {
  flex: 1 1 220px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--white);
}

.card-body {
  padding: 18px;
}

.price {
  font-weight: 700;
  color: var(--accent-dark);
}

.sticky-cta {
  position: sticky;
  top: 24px;
  padding: 18px;
  border-radius: 16px;
  background: var(--sand);
  border: 1px solid var(--line);
}

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

.form-grid input,
.form-grid select,
.form-grid textarea {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 0.95rem;
}

.form-grid button {
  align-self: flex-start;
}

.banner {
  display: none;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  background: var(--slate);
  color: var(--white);
  padding: 18px;
  border-radius: 16px;
  z-index: 10;
}

.banner.active {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.banner-actions {
  display: flex;
  gap: 12px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 6vw;
  background: var(--white);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-col {
  flex: 1 1 200px;
}

.legal {
  font-size: 0.86rem;
  color: var(--muted);
}

.bg-block {
  background: var(--sand);
}

.bg-alt {
  background: var(--stone);
}

.bg-thermal {
  background-image: url("https://images.unsplash.com/photo-1497366216548-37526070297c?w=1400&q=80");
  background-size: cover;
  background-position: center;
}

.bg-layout {
  background-image: url("https://images.unsplash.com/photo-1505691938895-1758d7feb511?w=1400&q=80");
  background-size: cover;
  background-position: center;
}

.notice {
  font-size: 0.88rem;
  color: var(--muted);
}

.list {
  padding-left: 18px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th,
.table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}

.hero-surface {
  background: var(--slate);
  color: var(--white);
}

.hero-surface .btn.secondary {
  color: var(--white);
  border-color: var(--white);
}

.section-title {
  font-size: 1.6rem;
}

.spacer {
  height: 24px;
}

@media (max-width: 780px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .ad-disclosure {
    text-align: left;
  }

  .split-section {
    padding: 50px 6vw;
  }

  .sticky-cta {
    position: static;
  }
}