:root {
  color-scheme: light dark;
  --bg: #f3f7f5;
  --panel: #ffffff;
  --ink: #18342d;
  --muted: #52675f;
  --brand: #2f6f5e;
  --brand-dark: #174b3e;
  --line: #cfddd7;
  --soft: #e6f0ec;
  --shadow: 0 20px 60px rgba(24, 52, 45, 0.1);
  --button-ink: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 0%, rgba(47, 111, 94, 0.16), transparent 32rem),
    linear-gradient(180deg, #f8fbfa 0%, var(--bg) 100%);
}

a {
  color: var(--brand-dark);
  text-underline-offset: 0.18em;
}

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

a:focus-visible {
  border-radius: 6px;
  outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent);
  outline-offset: 2px;
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.92rem;
}

.nav a {
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--brand-dark);
  text-decoration: none;
}

.nav a:hover {
  background: var(--soft);
  color: var(--brand-dark);
}

.nav a[aria-current="page"] {
  background: var(--soft);
  border-color: var(--line);
  color: var(--ink);
  font-weight: 750;
}

.nav a.nav-login {
  border-color: var(--brand);
  background: var(--brand);
  color: var(--button-ink);
  font-weight: 750;
}

.nav a.nav-login:hover {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
  color: var(--button-ink);
}

.hero,
.document {
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero {
  padding: clamp(32px, 6vw, 72px);
}

.document {
  width: min(100%, 860px);
  margin: 0 auto;
  padding: clamp(26px, 5vw, 58px);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 18px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--brand-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.12;
  overflow-wrap: break-word;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.3rem, 7vw, 5.2rem);
  letter-spacing: -0.055em;
}

.document h1 {
  font-size: clamp(2.1rem, 5vw, 4rem);
}

h2 {
  margin: 2.2rem 0 0.7rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -0.025em;
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

p,
li {
  line-height: 1.72;
  overflow-wrap: break-word;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--brand);
  border-radius: 12px;
  background: var(--brand);
  color: var(--button-ink);
  font-weight: 750;
  text-decoration: none;
}

.button:hover {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
  color: var(--button-ink);
}

.button.secondary {
  border-color: var(--line);
  background: transparent;
  color: var(--brand-dark);
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  letter-spacing: 0;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.notice {
  margin: 28px 0 0;
  padding: 20px 22px;
  border-left: 4px solid var(--brand);
  border-radius: 12px;
  background: var(--soft);
}

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

.toc {
  margin: 30px 0 0;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--soft) 65%, var(--panel));
}

.toc-title {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
  columns: 2;
  column-gap: 36px;
}

.toc li {
  margin: 0 0 7px;
  break-inside: avoid;
  line-height: 1.5;
}

.toc a {
  text-decoration: none;
}

.toc a:hover {
  text-decoration: underline;
}

.document a {
  overflow-wrap: anywhere;
}

.callout {
  margin: 0;
  padding: 16px 18px;
  border-left: 4px solid var(--brand);
  border-radius: 12px;
  background: var(--soft);
}

.support .lead a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  margin: 10px 0 0;
  padding: 0 18px;
  border: 1px solid var(--brand);
  border-radius: 12px;
  background: var(--brand);
  color: var(--button-ink);
  font-size: 1rem;
  font-weight: 750;
  text-decoration: none;
}

.support .lead a:hover {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
  color: var(--button-ink);
}

.document section + section {
  border-top: 1px solid var(--line);
  margin-top: 2.2rem;
  padding-top: 1.4rem;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

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

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .toc ul {
    columns: 1;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1b17;
    --panel: #14251f;
    --ink: #edf7f3;
    --muted: #b5c9c1;
    --brand: #69aa96;
    --brand-dark: #9ed0c0;
    --line: #2e4a40;
    --soft: #1c352c;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
    --button-ink: #0e1b17;
  }

  body {
    background:
      radial-gradient(circle at 12% 0%, rgba(105, 170, 150, 0.14), transparent 32rem),
      linear-gradient(180deg, #101f1a 0%, var(--bg) 100%);
  }
}

/* Login screen. Scoped to .login-page so public pages stay unchanged. */

.login-page {
  --login-danger-ink: #8f3730;
  --login-danger-bg: #fbeae7;
  --login-danger-line: #ecc7c1;
  --login-button-ink: #ffffff;
}

body.login-page {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 20px;
  min-height: 100vh;
  padding: clamp(20px, 5vw, 48px) 16px;
}

.login-card {
  width: min(100%, 440px);
  padding: clamp(26px, 5vw, 38px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 6px;
}

.login-brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
}

.login-brand h1 {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 1.85rem);
  letter-spacing: -0.03em;
}

.login-lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.98rem;
}

.login-error {
  margin: 0 0 18px;
  padding: 12px 14px;
  border: 1px solid var(--login-danger-line);
  border-left-width: 4px;
  border-radius: 12px;
  background: var(--login-danger-bg);
  color: var(--login-danger-ink);
  font-weight: 650;
  line-height: 1.5;
}

.login-form {
  display: grid;
  gap: 16px;
  margin: 0;
}

.login-field {
  display: grid;
  gap: 7px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.login-field input {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  font-weight: 400;
}

.login-field input:focus-visible {
  border-color: var(--brand);
  outline: 3px solid color-mix(in srgb, var(--brand) 40%, transparent);
  outline-offset: 2px;
}

.login-field input:-webkit-autofill,
.login-field input:-webkit-autofill:hover,
.login-field input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--ink);
  box-shadow: 0 0 0 1000px var(--panel) inset;
}

.login-submit {
  min-height: 46px;
  margin-top: 2px;
  padding: 0 18px;
  border: 1px solid var(--brand);
  border-radius: 12px;
  background: var(--brand);
  color: var(--login-button-ink);
  font: inherit;
  font-size: 1rem;
  font-weight: 750;
  cursor: pointer;
}

.login-submit:hover {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
}

.login-submit:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand-dark) 45%, transparent);
  outline-offset: 2px;
}

.login-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 18px;
  width: min(100%, 440px);
  margin: 0;
  padding: 0 4px;
  font-size: 0.9rem;
}

.login-links a {
  padding: 8px 2px;
  color: var(--brand-dark);
  text-decoration: none;
}

.login-links a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.login-links a:focus-visible {
  border-radius: 4px;
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  body.login-page {
    padding: 16px 14px 24px;
  }

  .login-card {
    border-radius: 20px;
    padding: 22px 18px;
  }

  .login-links {
    gap: 2px 14px;
  }
}

@media (prefers-color-scheme: dark) {
  .login-page {
    --login-danger-ink: #ffd2cb;
    --login-danger-bg: #3a201c;
    --login-danger-line: #6f3d35;
    --login-button-ink: #0e1b17;
  }
}