* {
  box-sizing: border-box;
}

:root {
  --primary: #0f766e;
  --primary-strong: #0b5f58;
  --primary-soft: #e6f5f2;
  --ink: #0f172a;
  --muted: #475569;
  --line: #dce3ea;
  --bg: #f6f8fb;
  --card: #ffffff;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 14px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f9fcff 0%, var(--bg) 35%, var(--bg) 100%);
  line-height: 1.55;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

ul {
  padding-left: 1.1rem;
}

.demo-banner {
  margin: 0;
  text-align: center;
  font-size: 0.875rem;
  background: #fff6da;
  color: #7a5b1f;
  padding: 0.55rem 0.75rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.narrow {
  max-width: 760px;
}

.section {
  padding: 3.5rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav-links {
  display: none;
  gap: 0.8rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-cta {
  margin-left: auto;
}

.hero {
  padding-top: 4rem;
  background: radial-gradient(circle at top right, rgba(15, 118, 110, 0.12), rgba(15, 118, 110, 0) 50%);
}

.hero-grid {
  display: grid;
  gap: 1.4rem;
}

.eyebrow {
  color: var(--primary-strong);
  font-weight: 700;
  margin-bottom: 0.7rem;
}

h1 {
  font-size: clamp(2rem, 8vw, 3.2rem);
  line-height: 1.1;
  margin-bottom: 0.9rem;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 58ch;
  margin-bottom: 1.2rem;
}

.hero-cta {
  width: fit-content;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.estimate-panel h2 {
  margin-bottom: 1rem;
}

.form-grid {
  display: grid;
  gap: 0.8rem;
}

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

label,
legend {
  font-size: 0.95rem;
  font-weight: 650;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cad4de;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  background: #fff;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid #9ad9d1;
  outline-offset: 1px;
}

fieldset {
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 0;
  padding: 0.8rem;
}

.checks-grid {
  display: grid;
  gap: 0.5rem;
}

.check-inline {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--muted);
}

.check-inline input {
  width: auto;
}

.estimate-result {
  margin: 1rem 0 0.4rem;
  font-size: 1.05rem;
}

.estimate-note {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  padding: 0.82rem 1.15rem;
  text-decoration: none;
  text-align: center;
  font-weight: 750;
  cursor: pointer;
}

.panel .btn {
  margin-top: 0.3rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary-strong);
}

.btn-secondary {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.section h2 {
  font-size: clamp(1.45rem, 4vw, 2rem);
  margin-bottom: 1.2rem;
}

.steps-grid,
.services-grid,
.trust-grid,
.faq-list {
  display: grid;
  gap: 1rem;
}

.step-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.step-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--primary-soft);
  margin-bottom: 0.75rem;
}

.step-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--primary-strong);
}

.step-card h3,
.service-card h3,
.faq-list h3,
.trust-grid h3 {
  margin-bottom: 0.5rem;
}

.service-card ul {
  margin-bottom: 1rem;
}

.section-intro {
  color: var(--muted);
  margin-bottom: 1rem;
}

.footer-grid {
  border-top: 1px solid var(--line);
  padding: 1.25rem 1rem 5.5rem;
  color: var(--muted);
  display: grid;
  gap: 0.35rem;
}

.mobile-sticky-cta {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 30;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  text-align: center;
  text-decoration: none;
  font-weight: 750;
  padding: 0.95rem 1rem;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.3);
}

@media (min-width: 760px) {
  .section {
    padding: 4.5rem 0;
  }

  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
    gap: 1.6rem;
  }

  .form-grid,
  .checks-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid,
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .trust-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .nav-links {
    display: flex;
  }

  .mobile-sticky-cta {
    display: none;
  }

  .footer-grid {
    padding-bottom: 1.5rem;
  }
}

@media (max-width: 759px) {
  .hero-cta,
  .nav-cta,
  .panel .btn,
  .mobile-sticky-cta {
    width: 100%;
  }

  .nav-cta {
    display: none;
  }
}