:root {
  --ink: #111827;
  --muted: #5b6472;
  --line: #dbe6ef;
  --paper: #f7fbff;
  --panel: #ffffff;
  --brand: #0f766e;
  --brand-dark: #0b4f4a;
  --brand-soft: #e8f5f3;
  --accent: #2563eb;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 34rem),
    linear-gradient(180deg, #f8fcff 0%, #eef7f6 44%, #f8fbff 100%);
}

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

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: white;
  border-radius: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 10px 25px rgba(15, 118, 110, 0.22);
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  background: var(--brand);
  color: white !important;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--brand-dark) !important;
}

/* Hero */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 96px 20px 72px;
  max-width: 860px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  background: var(--brand-soft);
  padding: 8px 12px;
  border-radius: 999px;
}

h1 {
  font-size: 3.15rem;
  line-height: 1.12;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 680px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 40px;
}

.button {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--brand);
  color: white;
  box-shadow: 0 14px 32px rgba(15, 118, 110, 0.22);
}

.button.primary:hover {
  background: var(--brand-dark);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.82);
  border: 1.5px solid var(--line);
  color: var(--ink);
}

.button.secondary:hover {
  border-color: var(--brand);
}

.trust-row {
  display: flex;
  gap: 24px;
  justify-content: center;
  font-size: 0.92rem;
  color: var(--muted);
}

.trust-row span::before {
  content: "✓";
  color: var(--brand);
  margin-right: 6px;
  font-weight: 800;
}

/* Sections */
.section {
  padding: 76px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.section.alt {
  background: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(219, 230, 239, 0.8);
  border-bottom: 1px solid rgba(219, 230, 239, 0.8);
  max-width: 100%;
  padding: 76px 20px;
}

.compact-alt {
  border-bottom: 0;
}

.section-header {
  text-align: center;
  margin-bottom: 44px;
}

.section-header h2 {
  font-size: 2.1rem;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

/* Pricing Grid */
.pricing-grid {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.pricing-grid.two-col .card {
  width: min(420px, 100%);
}

.card {
  background: rgba(255, 255, 255, 0.92);
  border: 1.5px solid var(--line);
  border-radius: 22px;
  padding: 38px 32px;
  width: 300px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 16px 44px rgba(15, 23, 42, 0.06);
}

.card.featured {
  border-color: var(--brand);
  box-shadow: 0 0 0 1px rgba(15, 118, 110, 0.22), var(--shadow);
}

.badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: white;
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.card h3 {
  font-size: 1.28rem;
  margin: 0 0 8px;
}

.price {
  font-size: 2.7rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
}

.price-desc {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 24px;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  flex-grow: 1;
}

.card li {
  padding: 7px 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.card li::before {
  content: "✓";
  color: var(--brand);
  margin-right: 8px;
  font-weight: 800;
}

.card .button {
  text-align: center;
}

.pricing-note {
  max-width: 780px;
  margin: 24px auto 0;
  text-align: center;
  color: var(--muted);
  background: var(--brand-soft);
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 14px;
  padding: 14px 18px;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1060px;
  margin: 0 auto;
}

.step-card {
  background: white;
  border: 1.5px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 800;
  margin-bottom: 14px;
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.93rem;
}

/* Code Block */
.code-block {
  background: #111827;
  border-radius: 18px;
  max-width: 740px;
  margin: 0 auto 20px;
  overflow-x: auto;
  box-shadow: 0 20px 50px rgba(17, 24, 39, 0.18);
}

.code-block pre {
  margin: 0;
  padding: 22px 24px;
}

.code-block code {
  color: #e5eef8;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.86rem;
  line-height: 1.65;
}

.tac {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 4px 22px;
}

details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

details:last-child {
  border-bottom: 0;
}

summary {
  font-weight: 700;
  cursor: pointer;
  font-size: 1.02rem;
}

details p {
  color: var(--muted);
  line-height: 1.6;
  margin: 12px 0 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 30px 20px;
  background: rgba(255, 255, 255, 0.65);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner a {
  color: var(--brand);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.15rem;
  }
  .site-header {
    flex-direction: column;
    gap: 16px;
    padding: 18px 20px;
  }
  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
  }
  .hero {
    padding: 64px 20px 54px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }
  .pricing-grid {
    flex-direction: column;
    align-items: center;
  }
  .trust-row {
    flex-wrap: wrap;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}