@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&display=swap');
:root {
  color-scheme: light;
  --canvas: #edf2f7; --paper: #fafcfe; --ink: #20354b; --muted: #52677c;
  --line: #c6d3e0; --control-line: #6e849b;
  --accent: #315f8e; --accent-hover: #244b73; --on-accent: #ffffff; --accent-soft: #dce9f5;
  --warning: #765213; --warning-bg: #fbf0d7;
  --sans: 'Outfit', sans-serif; --display: var(--sans);
  font: 18px/1.6 var(--sans); color: var(--ink); background: var(--canvas);
  font-synthesis: none; text-rendering: optimizeLegibility;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --canvas: #121d2a; --paper: #1a293a; --ink: #e3edf7; --muted: #aebfd1;
    --line: #3a5067; --control-line: #6b849d;
    --accent: #9ec5ec; --accent-hover: #bddbfa; --on-accent: #122b43; --accent-soft: #2b4560;
    --warning: #efd091; --warning-bg: #393426;
  }
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --canvas: #121d2a; --paper: #1a293a; --ink: #e3edf7; --muted: #aebfd1;
  --line: #3a5067; --control-line: #6b849d;
  --accent: #9ec5ec; --accent-hover: #bddbfa; --on-accent: #122b43; --accent-soft: #2b4560;
  --warning: #efd091; --warning-bg: #393426;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 4px; }
:where(a, summary, select):focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.test-notice { margin: 0; padding: 12px 24px; background: var(--warning-bg); color: var(--warning); text-align: center; font-size: 14px; }
header, main, footer { max-width: 1440px; margin: auto; padding: 20px clamp(20px, 3vw, 40px); }
header { display: flex; justify-content: space-between; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); }
.brand { text-decoration: none; }
.brand img { display: block; width: 160px; max-width: 100%; height: auto; margin-bottom: 8px; background: #fafcfe; border-radius: 6px; }
.brand span { display: block; font-size: 15px; color: var(--muted); }
.header-controls, nav { display: flex; align-items: center; gap: 24px; }
.theme-control { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.theme-control select { min-height: 44px; padding: 8px; border: 1px solid var(--control-line); border-radius: 6px; background: var(--paper); color: var(--ink); font: inherit; }
nav a { min-height: 44px; display: inline-flex; align-items: center; }
.button { display: inline-block; background: var(--accent); color: var(--on-accent); border-radius: 6px; padding: 14px 24px; text-decoration: none; font-weight: 600; text-align: center; }
.button:hover { background: var(--accent-hover); }
section { padding: 28px 0; }
.hero { max-width: 900px; padding-top: 24px; }
h1 { font: 500 clamp(44px, 7vw, 80px)/1.02 var(--display); letter-spacing: -.035em; margin: 24px 0; }
h1 em { color: var(--accent); }
.hero > p { max-width: 640px; font-size: 19px; }
.hero .scope { font-size: 16px; color: var(--muted); margin: 12px 0 0; }
.eyebrow { font-size: 15px !important; letter-spacing: .1em; font-weight: 600; color: var(--accent); }
.text-link { display: inline-block; margin: 20px; }
h2 { font: 500 clamp(28px, 4vw, 40px)/1.1 var(--display); letter-spacing: -.02em; margin: 0 0 24px; }
h3 { font: 600 20px/1.25 var(--display); margin: 0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps article { display: grid; grid-template-columns: auto 1fr; align-content: start; align-items: center; gap: 12px 10px; padding: 20px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.steps article b { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font-size: 14px; line-height: 1; font-variant-numeric: tabular-nums; }
.steps article p { grid-column: 1 / -1; margin: 0; }
.steps article p, details p { color: var(--muted); }
details { border-bottom: 1px solid var(--line); padding: 14px 0; max-width: 760px; }
summary { cursor: pointer; padding: 8px 0; font-weight: 600; }
.closing { border-top: 1px solid var(--line); }
footer { display: flex; flex-wrap: wrap; gap: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 760px) {
  .header-controls { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
  .steps { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 620px) {
  header, main, footer { padding: 20px; }
  header { flex-wrap: wrap; gap: 12px; }
  .brand span { display: none; }
  .brand img { width: 115px; margin-bottom: 0; }
  .header-controls { display: contents; }
  .theme-control { margin-left: auto; }
  nav { width: 100%; justify-content: flex-end; gap: 16px; font-size: 14px; }
  nav .button { padding: 10px 12px; }
  section { padding: 28px 0; }
  .hero { padding-top: 24px; }
  .hero > p { font-size: 17px; }
  .hero .button { display: block; }
  .text-link { margin: 16px 0; }
  .hero .scope { margin-top: 0; }
  .steps article { padding: 16px; gap: 8px 10px; }
  h2 { margin-bottom: 20px; }
}