:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --ink: #1a1f2e;
  --muted: #5a6478;
  --line: #e2e6ee;
  --accent: #0b6e4f;
  --accent-hover: #085a40;
  --accent-soft: #e8f5f0;
  --max: 720px;
  --wide: 960px;
  --font: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

.wrap {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

/* Header */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
  font-weight: 600;
}

.logo .badge {
  display: inline-block;
  margin-left: 0.45rem;
  padding: 0.15rem 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 3px;
  vertical-align: middle;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--ink);
}

/* Main */
main {
  width: min(100% - 2rem, var(--max));
  margin: 2rem auto 3.5rem;
}

main.wide {
  width: min(100% - 2rem, var(--wide));
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 2.25rem 0 0.65rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.4rem;
}

p {
  margin: 0 0 1rem;
  color: var(--ink);
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin: -0.35rem 0 1.25rem;
}

.disclaimer {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 0.85rem 1rem;
  margin: 0 0 1.75rem;
  font-size: 0.95rem;
  color: var(--ink);
}

.disclaimer strong {
  font-weight: 600;
}

ul, ol {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
}

li {
  margin-bottom: 0.4rem;
}

li::marker {
  color: var(--accent);
}

/* Cards grid for home */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.75rem 0 2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.25rem 1.35rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  color: inherit;
}

.card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  color: var(--ink);
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

/* CTA */
.cta-box {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.5rem 1.5rem 1.35rem;
  margin: 2rem 0;
  text-align: center;
}

.cta-box p {
  margin-bottom: 1rem;
  color: var(--muted);
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.4rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

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

.btn-secondary {
  background: transparent;
  color: var(--accent) !important;
  border: 1.5px solid var(--accent);
  margin-left: 0.5rem;
}

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

/* Steps */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 1.75rem;
}

.steps li {
  position: relative;
  padding: 0 0 1.35rem 3rem;
  margin: 0;
  border-left: 2px solid var(--line);
  margin-left: 0.9rem;
}

.steps li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -1.05rem;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.steps strong {
  display: block;
  margin-bottom: 0.2rem;
}

/* Table */
.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

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

th, td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
}

th {
  background: var(--bg);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}

tr:last-child td {
  border-bottom: none;
}

/* Form */
form {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.5rem;
  margin: 1.25rem 0;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

input,
textarea {
  width: 100%;
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 1rem;
  background: var(--bg);
  color: var(--ink);
}

input:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
}

footer nav {
  justify-content: center;
  margin-bottom: 0.75rem;
}

footer nav a {
  color: var(--muted);
}

footer p {
  margin: 0.25rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

code {
  font-size: 0.88em;
  background: var(--bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  border: 1px solid var(--line);
}

@media (max-width: 640px) {
  header .wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-secondary {
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .cta-box .btn-secondary {
    display: inline-block;
  }
}