/* styles.css — Signalbox */

:root {
  --paper: #f0f2ef;
  --white: #ffffff;
  --ink: #161a17;
  --slate: #5c6660;
  --pine: #1b5e4b;
  --pine-dark: #14483a;
  --mint: #cfe7db;
  --line: #dcdfda;
  --display: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 980px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

a { color: var(--pine); }

/* ---------- Header ---------- */

.site-header { background: var(--white); border-bottom: 1px solid var(--line); }

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 30px; height: 30px; display: block; }
.brand b { font-family: var(--display); font-weight: 400; font-size: 20px; letter-spacing: -0.01em; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  font-size: 14px;
  text-decoration: none;
  color: var(--slate);
  padding: 7px 11px;
  border-radius: 6px;
}
.nav a:hover { color: var(--ink); background: var(--paper); }
.nav a[aria-current="page"] { color: var(--pine); background: var(--mint); }
.nav a.cta {
  background: var(--pine);
  color: var(--white);
  padding: 8px 15px;
}
.nav a.cta:hover { background: var(--pine-dark); color: var(--white); }

/* ---------- Type ---------- */

main { padding-bottom: 20px; }

h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(32px, 5.6vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 16ch;
}

h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(24px, 3.4vw, 31px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}

h3 { font-size: 17px; margin: 0 0 6px; letter-spacing: -0.01em; }

p { max-width: 62ch; }
.lede { font-size: 18px; color: var(--slate); max-width: 50ch; margin: 0 0 26px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pine);
  margin: 0 0 14px;
}

code { font-family: var(--mono); font-size: 0.86em; background: #e4e8e3; padding: 1px 5px; border-radius: 4px; }

/* ---------- Sections ---------- */

.section { padding: 62px 0; border-top: 1px solid var(--line); }
.section.plain { border-top: 0; }
.section-head { max-width: 54ch; margin-bottom: 30px; }

/* ---------- Hero ---------- */

.hero { padding: 62px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-block;
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  background: var(--pine);
  color: var(--white);
  border: 1px solid var(--pine);
  border-radius: 7px;
  padding: 11px 20px;
  cursor: pointer;
}
.btn:hover { background: var(--pine-dark); border-color: var(--pine-dark); }
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.btn.ghost { background: transparent; color: var(--pine); border-color: var(--line); }
.btn.ghost:hover { background: var(--white); border-color: var(--pine); }

.fineprint { font-size: 13px; color: var(--slate); margin: 14px 0 0; }

/* ---------- Dashboard card ---------- */

.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px 22px;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}
.panel-top .site { font-family: var(--mono); font-size: 13px; color: var(--slate); }
.panel-top .range { font-family: var(--mono); font-size: 11px; color: var(--slate); }

.stat { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.stat .big {
  font-family: var(--display);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat .delta { font-family: var(--mono); font-size: 12px; color: var(--pine); }
.stat-label { font-size: 13px; color: var(--slate); margin: 0 0 18px; }

.bars { display: flex; align-items: flex-end; gap: 7px; height: 96px; }
.bars .bar {
  flex: 1;
  background: var(--mint);
  border-radius: 3px 3px 0 0;
  height: 8%;
  position: relative;
  transition: height 700ms cubic-bezier(0.22, 1, 0.36, 1);
}
.bars .bar:last-child { background: var(--pine); }

.bar-days {
  display: flex;
  gap: 7px;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--slate);
}
.bar-days span { flex: 1; text-align: center; }

/* ---------- Feature grid ---------- */

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }

.card { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 22px; }
.card p { font-size: 15px; color: var(--slate); margin: 0; }
.card .mark {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--pine);
  display: block;
  margin-bottom: 12px;
}

/* ---------- Pricing ---------- */

.toggle {
  display: inline-flex;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 3px;
  margin-bottom: 28px;
}
.toggle button {
  font: inherit;
  font-size: 14px;
  border: 0;
  background: transparent;
  color: var(--slate);
  padding: 7px 15px;
  border-radius: 6px;
  cursor: pointer;
}
.toggle button[aria-pressed="true"] { background: var(--pine); color: var(--white); }
.toggle button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; }

.plan {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
}
.plan.featured { border-color: var(--pine); box-shadow: 0 0 0 1px var(--pine); }

.plan .name { font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--pine); margin-bottom: 12px; }
.plan .price { font-family: var(--display); font-size: 36px; line-height: 1; letter-spacing: -0.02em; }
.plan .per { font-size: 13px; color: var(--slate); margin: 6px 0 16px; }
.plan ul { list-style: none; margin: 0 0 22px; padding: 0; font-size: 15px; color: var(--slate); }
.plan li { padding: 5px 0 5px 20px; position: relative; }
.plan li::before { content: "+"; position: absolute; left: 0; color: var(--pine); font-family: var(--mono); }
.plan .btn { margin-top: auto; text-align: center; }

/* ---------- Quote ---------- */

.quote { background: var(--white); border-left: 3px solid var(--pine); padding: 24px 26px; border-radius: 0 10px 10px 0; }
.quote blockquote { font-family: var(--display); font-size: 20px; line-height: 1.45; margin: 0 0 12px; max-width: 46ch; }
.quote .who { font-family: var(--mono); font-size: 12px; color: var(--slate); }

/* ---------- Form ---------- */

.form { max-width: 480px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px 12px;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--pine);
  outline-offset: 1px;
  border-color: transparent;
}
.note { font-size: 13px; color: var(--slate); margin-top: 14px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--white);
  border-top: 1px solid var(--line);
  padding: 26px 0 34px;
  font-size: 13px;
  color: var(--slate);
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.site-footer a { color: var(--slate); }
.site-footer nav { display: flex; gap: 14px; flex-wrap: wrap; }
#footer-date { font-family: var(--mono); color: var(--pine); }

/* ---------- 404 ---------- */

.error-code {
  font-family: var(--display);
  font-size: clamp(66px, 16vw, 116px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
  color: var(--pine);
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  h1 { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}