:root {
  color-scheme: light;
  --bg: #f6f3ee;
  --panel: #fffefd;
  --text: #19253a;
  --muted: #5c6675;
  --line: #d9dce4;
  --line-strong: #c7cbd7;
  --accent: #526297;
  --accent-dark: #394979;
  --accent-soft: #eef0f8;
  --result-bg: #e9edf9;
  --result-line: #b9c3e3;
  --shadow: 0 8px 24px rgba(25, 37, 58, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent-dark); text-underline-offset: 0.16em; }
a:hover { color: #273760; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid #9ca9d3;
  outline-offset: 3px;
}

main { max-width: 1120px; margin: 0 auto; padding: 28px 24px 56px; }
header { margin: 28px 0 40px; max-width: 780px; }

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 4px 0 22px;
  border-bottom: 1px solid var(--line);
}
.site-name {
  display: inline-flex;
  align-items: center;
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 780;
  letter-spacing: -0.045em;
  text-decoration: none;
}
.site-logo { display: block; width: auto; height: 32px; }
.site-name-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.site-nav-links { display: flex; gap: 16px; }
.site-nav-links a { color: var(--muted); font-size: 0.93rem; font-weight: 680; text-decoration: none; }
.site-nav-links a:hover { color: var(--accent-dark); }

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
h1, h2 { color: var(--text); letter-spacing: -0.035em; }
h1 { font-size: clamp(2.35rem, 5vw, 4rem); line-height: 1.04; margin: 10px 0 16px; }
h2 { font-size: 1.2rem; line-height: 1.25; margin: 0 0 10px; }
p { color: var(--muted); max-width: 760px; }
header p { font-size: 1.08rem; margin: 0; }

.layout { display: grid; grid-template-columns: minmax(0, 1.42fr) minmax(280px, 0.58fr); gap: 24px; align-items: start; }
.panel, section, aside {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 26px;
}
section[style] { margin-top: 24px !important; }
aside { background: #f1f0ed; box-shadow: none; }
aside h2 { font-size: 1.05rem; }
aside p { font-size: 0.94rem; margin-bottom: 0; }

label { display: block; color: var(--text); font-size: 0.93rem; font-weight: 700; margin: 18px 0 7px; }
input, select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  background: #fff;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
input:hover, select:hover { border-color: #aeb6ca; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(82, 98, 151, 0.14); outline: none; }
fieldset { margin-top: 18px; }
fieldset label { color: var(--muted); }

button, .button {
  display: inline-block;
  margin-top: 22px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 760;
  line-height: 1.25;
  padding: 13px 19px;
  box-shadow: 0 2px 4px rgba(57, 73, 121, 0.16);
  cursor: pointer;
  text-decoration: none;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}
button:hover, .button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  box-shadow: 0 5px 12px rgba(57, 73, 121, 0.2);
  transform: translateY(-1px);
}

.result {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--result-line);
  border-radius: 10px;
  background: var(--result-bg);
  color: #253867;
  box-shadow: inset 4px 0 0 var(--accent);
  font-size: 1.05rem;
  font-weight: 750;
}
.result .small { display: block; margin-top: 8px; color: #47577f; font-weight: 550; }
.error { border: 1px solid #e3bbb4; border-radius: 10px; box-shadow: none; }

.trust-panel { background: #f2f3f8; box-shadow: none; }
.trust-panel h2 { font-size: 1.05rem; }
.trust-panel ul { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; list-style: none; }
.trust-panel li { color: var(--muted); font-size: 0.94rem; }
.trust-panel li::before { content: "✓"; margin-right: 8px; color: var(--accent-dark); font-weight: 800; }
.related-tools { box-shadow: none; }
.related-tools ul { margin: 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card {
  display: flex;
  min-height: 232px;
  flex-direction: column;
  align-items: flex-start;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}
.card:hover { border-color: #bcc4d9; box-shadow: 0 12px 28px rgba(25, 37, 58, 0.1); transform: translateY(-2px); }
.card h2 { font-size: 1.22rem; }
.card p { margin: 0 0 20px; }
.card .button { margin-top: auto; }

.site-footer {
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 9px 18px;
  margin-top: 52px;
  padding: 24px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent-dark); }
.small { font-size: 0.9rem; color: var(--muted); }
ul { padding-left: 20px; }
li + li { margin-top: 7px; }

@media (max-width: 760px) {
  main { padding: 20px 16px 40px; }
  header { margin: 24px 0 28px; }
  h1 { font-size: clamp(2.1rem, 11vw, 3rem); }
  .layout { grid-template-columns: 1fr; gap: 16px; }
  .panel, section, aside { border-radius: 12px; padding: 20px; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: auto; }
  .site-footer { margin-top: 36px; }
}