/* calipercommerce.com — one stylesheet, no build step, no third-party requests.
   Colours are the App Store listing's: navy #0E1729, panel #16203A,
   amber #F5A524, muted #AEB8CC. */

:root {
  --navy: #0e1729;
  --panel: #16203a;
  --amber: #f5a524;
  --amber-ink: #8a5a00;
  --muted-on-navy: #aeb8cc;
  --ink: #141b2d;
  --ink-soft: #4a5468;
  --line: #e3e7ef;
  --paper: #ffffff;
  --paper-soft: #f6f7fa;
  --radius: 14px;
  --measure: 68ch;
  --font: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

.wrap { width: min(1080px, 100% - 2.5rem); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--amber); color: var(--navy); padding: .6rem 1rem; z-index: 10;
}
.skip:focus { left: 1rem; }

:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

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

.site-header { background: var(--navy); color: #fff; }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: 1rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .65rem;
  text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: .01em;
}
.brand img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 1.25rem; font-size: .95rem; }
.nav a { text-decoration: none; color: var(--muted-on-navy); }
.nav a:hover { color: #fff; }

/* ---- Buttons ----------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.25rem; border-radius: 10px; font-weight: 650;
  text-decoration: none; line-height: 1.2; border: 2px solid transparent;
}
.btn-primary { background: var(--amber); color: var(--navy); }
.btn-primary:hover { background: #ffb53d; }
.btn-ghost { border-color: rgba(255,255,255,.28); color: #fff; }
.btn-ghost:hover { border-color: #fff; }
.nav .btn { padding: .55rem .9rem; color: var(--navy); }

/* ---- Hero (navy) ------------------------------------------------------- */

.hero { background: var(--navy); color: #fff; padding-block: 3.5rem 4.5rem; }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; letter-spacing: -.02em;
  margin: 0 0 1.1rem; max-width: 18ch;
}
.hero h1 em { font-style: normal; color: var(--amber); }
.hero .lede { color: var(--muted-on-navy); font-size: 1.2rem; max-width: 56ch; margin: 0 0 2rem; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.hero .fine { color: var(--muted-on-navy); font-size: .9rem; margin-top: 1rem; }

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

section { padding-block: 4rem; }
section.alt { background: var(--paper-soft); }
.eyebrow {
  text-transform: uppercase; letter-spacing: .12em; font-size: .78rem;
  font-weight: 700; color: var(--amber-ink); margin: 0 0 .6rem;
}
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); line-height: 1.15; letter-spacing: -.015em; margin: 0 0 1rem; }
h3 { font-size: 1.2rem; line-height: 1.3; margin: 0 0 .5rem; }
.section-lede { color: var(--ink-soft); max-width: 60ch; margin: 0 0 2.25rem; }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem;
}
.card p { margin: 0; color: var(--ink-soft); }
.card ul { margin: .5rem 0 0; padding-left: 1.1rem; color: var(--ink-soft); }
.card .mark {
  width: 2.25rem; height: 2.25rem; border-radius: 10px; background: var(--navy);
  display: grid; place-items: center; margin-bottom: 1rem;
}
.card .mark span { width: .8rem; height: .8rem; border-radius: 3px; background: var(--amber); }

.split { display: grid; gap: 2.5rem; grid-template-columns: 1.1fr .9fr; align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.shot {
  border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: 0 18px 40px -22px rgba(14, 23, 41, .35); background: #fff;
}

.channels { list-style: none; margin: 1.25rem 0 0; padding: 0; display: grid; gap: .6rem; }
.channels li {
  display: flex; gap: .75rem; align-items: baseline;
  border-left: 3px solid var(--amber); padding: .2rem 0 .2rem .85rem;
}
.channels b { white-space: nowrap; }

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

.plans { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; background: #fff; }
.plan h3 { margin-bottom: .25rem; }
.plan .price { font-size: 1.9rem; font-weight: 750; letter-spacing: -.02em; }
.plan .price small { font-size: .95rem; font-weight: 500; color: var(--ink-soft); }
.plan p { color: var(--ink-soft); margin: .5rem 0 0; }
.note { color: var(--ink-soft); font-size: .95rem; margin-top: 1.25rem; }

/* ---- CTA band ---------------------------------------------------------- */

.cta-band { background: var(--panel); color: #fff; }
.cta-band .wrap { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; justify-content: space-between; }
.cta-band h2 { margin: 0; }
.cta-band p { color: var(--muted-on-navy); margin: .4rem 0 0; }

/* ---- Articles (guides) ------------------------------------------------- */

.article-head { background: var(--navy); color: #fff; padding-block: 3rem 3.25rem; }
.article-head .crumbs { font-size: .9rem; color: var(--muted-on-navy); margin-bottom: 1rem; }
.article-head .crumbs a { color: var(--muted-on-navy); }
.article-head h1 {
  font-size: clamp(1.9rem, 4.2vw, 2.8rem); line-height: 1.12; letter-spacing: -.02em;
  margin: 0 0 1rem; max-width: 24ch;
}
.article-head .lede { color: var(--muted-on-navy); font-size: 1.15rem; max-width: 60ch; margin: 0; }

.article { padding-block: 3rem 4rem; }
.prose { max-width: var(--measure); }
.prose h2 { font-size: 1.55rem; margin: 2.5rem 0 .75rem; }
.prose h3 { margin: 1.75rem 0 .5rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.1rem; }
.prose li { margin-bottom: .4rem; }
.prose code {
  font-family: var(--mono); font-size: .9em; background: var(--paper-soft);
  border: 1px solid var(--line); border-radius: 6px; padding: .05rem .35rem;
}
.prose a { color: #1f4fd1; text-underline-offset: 2px; }
.prose a.btn { color: var(--navy); text-decoration: none; }
/* Title block shares the article's column, so the headline and the text line up. */
.article-head .wrap { max-width: var(--measure); }

.answer {
  border: 1px solid var(--line); border-left: 4px solid var(--amber);
  background: var(--paper-soft); border-radius: 10px; padding: 1.1rem 1.25rem; margin: 0 0 2rem;
}
.answer p:last-child { margin-bottom: 0; }

.table-wrap { overflow-x: auto; margin: 0 0 1.5rem; }
table { border-collapse: collapse; width: 100%; font-size: .97rem; }
th, td { text-align: left; vertical-align: top; padding: .65rem .75rem; border-bottom: 1px solid var(--line); }
th { font-weight: 650; background: var(--paper-soft); }

.callout {
  background: var(--navy); color: #fff; border-radius: var(--radius);
  padding: 1.5rem 1.6rem; margin: 2.5rem 0 0;
}
.callout p { color: var(--muted-on-navy); margin: .35rem 0 1rem; }
.callout h3 { color: #fff; }

.guide-list { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.guide-list a.card { text-decoration: none; display: block; }
.guide-list a.card:hover { border-color: #c9d0dd; }
.guide-list h3 { color: var(--ink); }

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

.site-footer { background: var(--navy); color: var(--muted-on-navy); font-size: .92rem; padding-block: 2.25rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; }
.site-footer a { color: var(--muted-on-navy); }
.site-footer a:hover { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }

@media (max-width: 640px) {
  .nav a:not(.btn) { display: none; }
  .hero { padding-block: 2.5rem 3.25rem; }
  section { padding-block: 3rem; }
}