:root {
  --bg: #f2f5f9;
  --surface: #ffffff;
  --ink: #0f2236;
  --muted: #53657a;
  --line: #d5dfeb;
  --brand: #0f766e;
  --brand-strong: #0b5f59;
  --accent: #dff5f1;
  --shadow: 0 14px 32px rgba(15, 34, 54, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 80% -10%, #d7e8ff 0%, transparent 55%),
    radial-gradient(1000px 500px at -10% 20%, #e6f7f2 0%, transparent 55%),
    var(--bg);
  font-family: "Trebuchet MS", "Gill Sans", "Segoe UI", sans-serif;
  line-height: 1.6;
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.stack {
  display: grid;
  gap: 18px;
  padding-top: 24px;
  padding-bottom: 44px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(242, 245, 249, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, var(--brand), #16a085);
}

.topnav {
  display: flex;
  gap: 14px;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.topnav a:hover {
  color: var(--brand-strong);
}

.hero {
  padding: 54px 0 24px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-strong);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 800;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.hero-copy {
  margin: 0 0 16px;
  color: var(--muted);
  max-width: 760px;
  font-size: 18px;
}

.hero-panel {
  background: linear-gradient(180deg, #f7fbff 0%, #edf5ff 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.notice {
  background: linear-gradient(180deg, #f8fdfa 0%, #eef9f6 100%);
}

.flow {
  margin: 0;
  font-weight: 800;
  color: var(--brand-strong);
}

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

.small {
  font-size: 14px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}

.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #fbfdff;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.pricing-grid article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #fbfdff;
}

.pricing-grid .featured {
  border-color: #8ecfc5;
  background: var(--accent);
}

.price {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  color: var(--brand-strong);
}

.chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chips li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  background: #f9fcff;
  font-weight: 600;
}

.faq h3 {
  margin-top: 14px;
}

.cta-panel {
  border: 1px solid #99d2c9;
  border-radius: 16px;
  padding: 22px;
  background: linear-gradient(180deg, #ebfaf6 0%, #dff5ef 100%);
}

.hero-cta,
.cta-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--brand-strong);
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  padding: 11px 16px;
  border-radius: 10px;
  cursor: pointer;
}

.btn:hover {
  background: var(--brand-strong);
}

.btn-small {
  padding: 8px 12px;
  font-size: 14px;
}

.btn-ghost {
  background: transparent;
  color: var(--brand-strong);
  border-color: #8cbfb8;
}

.btn-ghost:hover {
  background: var(--accent);
}

form {
  display: grid;
  gap: 10px;
}

label {
  display: grid;
  gap: 4px;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c4d3e3;
  border-radius: 10px;
  padding: 11px;
  font: inherit;
  background: #fff;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

#form-feedback {
  margin: 2px 0 0;
  font-weight: 700;
}

.success {
  margin: 0;
  color: #166534;
  font-weight: 700;
}

.footer {
  border-top: 1px solid var(--line);
  background: #f6f9fc;
}

.footer-inner {
  min-height: 86px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.footer nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--brand-strong);
}

@media (max-width: 900px) {
  .hero-inner,
  .two-col,
  .footer-inner {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topnav {
    display: none;
  }

  .footer-inner {
    padding: 16px 0;
  }
}