:root {
  color-scheme: light;
  --ink: #18211e;
  --muted: #5f6d66;
  --line: #d9ded6;
  --paper: #f4f1ea;
  --panel: #ffffff;
  --green: #22352f;
  --green-2: #33584e;
  --blue: #e8eff1;
  --yellow: #c89b3c;
  --warn: #a54636;
  --shadow: 0 16px 45px rgba(34, 53, 47, 0.12);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { overflow-x: hidden; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  overflow-x: hidden;
}

a { color: var(--green-2); }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--green);
  color: white;
  padding: .6rem .8rem;
  z-index: 10;
}

.skip-link:focus { top: 1rem; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(244, 241, 234, 0.94);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(16px);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: .9rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  min-width: 13rem;
}

.brand img { width: 38px; height: 38px; }
.brand strong { display: block; font-size: 1rem; }
.brand small { display: block; color: var(--muted); font-size: .78rem; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  justify-content: flex-end;
}

.nav a {
  text-decoration: none;
  color: var(--ink);
  border: 1px solid transparent;
  padding: .45rem .62rem;
  font-size: .92rem;
}

.nav a:hover,
.nav a:focus-visible {
  border-color: var(--green);
  background: var(--panel);
}

.hero {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(34, 53, 47, 0.96), rgba(51, 88, 78, 0.9)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.09) 0 1px, transparent 1px 72px);
  color: #fff;
}

.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3.4rem 1rem 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 2rem;
  align-items: end;
}

.hero-inner > *,
.header-inner > *,
.calculator > *,
.two-col > * {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 .75rem;
  color: #d8c38a;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: .8rem;
  font-weight: 700;
}

h1, h2, h3 { line-height: 1.14; letter-spacing: 0; }
h1 { margin: 0; font-size: clamp(2.2rem, 6vw, 5.2rem); max-width: 10ch; }
h2 { margin: 0 0 1rem; font-size: clamp(1.7rem, 3vw, 2.6rem); }
h3 { margin: 0 0 .5rem; font-size: 1.1rem; }

.lead {
  color: rgba(255,255,255,.86);
  font-size: 1.08rem;
  max-width: 62ch;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.5rem;
}

.meta-row span,
.tag {
  border: 1px solid rgba(255,255,255,.28);
  color: inherit;
  padding: .38rem .55rem;
  background: rgba(255,255,255,.08);
  font-size: .88rem;
}

.status-board {
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow);
  border: 1px solid #dce5df;
  padding: 1rem;
}

.status-board table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .94rem;
}

th, td {
  border-bottom: 1px solid var(--line);
  padding: .75rem .55rem;
  text-align: left;
  vertical-align: top;
}

th { color: var(--muted); font-weight: 700; }

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2.5rem 1rem;
}

.section.tight { padding-top: 1.4rem; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.tool-panel,
.text-panel,
.calculator {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1rem;
}

.tool-panel {
  min-height: 13rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tool-panel p,
.text-panel p { color: var(--muted); }

.button,
button {
  appearance: none;
  border: 1px solid var(--green);
  background: var(--green);
  color: white;
  text-decoration: none;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: .4rem;
  padding: .72rem .9rem;
  font-weight: 750;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--green);
}

.calculator {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .82fr);
  gap: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
}

label { display: grid; gap: .3rem; font-weight: 700; }
label span { color: var(--muted); font-size: .9rem; font-weight: 600; }

input,
select {
  width: 100%;
  border: 1px solid #b9c3bb;
  background: #fff;
  color: var(--ink);
  padding: .72rem .75rem;
  font: inherit;
}

.result-box {
  border-left: 5px solid var(--yellow);
  background: #faf8f1;
  padding: 1rem;
  min-height: 100%;
}

.result-number {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 850;
  margin: .4rem 0;
}

.ratio-track {
  height: 14px;
  background: #dde4df;
  margin: .8rem 0;
  overflow: hidden;
}

.ratio-fill {
  height: 100%;
  width: 0;
  background: var(--green-2);
  transition: width .2s ease;
}

.notice {
  border-left: 4px solid var(--warn);
  background: #fff8f5;
  color: #5f2d25;
  padding: .85rem 1rem;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .68fr);
  gap: 1rem;
}

.check-list {
  display: grid;
  gap: .6rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.check-list li {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: .75rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding: 2rem 1rem;
  color: var(--muted);
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

@media (max-width: 820px) {
  .header-inner,
  .hero-inner,
  .calculator,
  .two-col {
    grid-template-columns: 1fr;
  }

  .header-inner {
    display: grid;
    align-items: start;
  }

  .brand { min-width: 0; }

  .nav {
    justify-content: flex-start;
    width: 100%;
    max-width: calc(100vw - 2rem);
  }

  .nav a { white-space: nowrap; }

  .hero-inner {
    display: block;
    width: 100%;
    max-width: 100vw;
    padding-top: 2rem;
  }

  .hero-inner > div,
  .status-board,
  .lead,
  h1,
  .meta-row {
    width: 100%;
    max-width: calc(100vw - 2rem);
  }

  h1 {
    font-size: clamp(2rem, 8.4vw, 2.35rem);
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .lead {
    font-size: 1rem;
    overflow-wrap: anywhere;
  }

  .status-board {
    margin-top: 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .status-board table {
    min-width: 0;
    table-layout: fixed;
  }

  .status-board th:first-child,
  .status-board td:first-child {
    width: 31%;
  }

  .status-board td {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .tool-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  th, td { padding: .62rem .35rem; }
}