/* Jetpack Publishing — brand tokens taken from the original Little Jetpack logo:
   ink #0c0c0c, flame red #ff153c. Layout is fluid (clamp/rem/flex/grid), no fixed px positioning. */
:root {
  --ink: #0c0c0c;
  --ink-soft: #3d3b38;
  --paper: #f7f5f1;
  --card: #ffffff;
  --line: #e2ded6;
  --flame: #ff153c;          /* decorative + large text only (3.6:1 on white) */
  --flame-text: #c8102e;     /* links/body accents on light (5.9:1 on paper) */
  --on-dark: #f7f5f1;
  --on-dark-soft: #b9b5ad;
  --cut: clamp(0.5rem, 1.6vw, 0.9rem);
  --wrap: min(70rem, 100% - 2 * clamp(1rem, 4vw, 2.5rem));
  --space: clamp(3rem, 8vw, 6rem);
  --display: "Archivo", system-ui, sans-serif;
  --body: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-variation-settings: "wdth" 100;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--flame-text); text-underline-offset: 0.2em; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--flame); outline-offset: 3px; }

.wrap { width: var(--wrap); margin-inline: auto; }
.skip { position: absolute; left: -999rem; }
.skip:focus { left: 1rem; top: 1rem; background: var(--card); padding: 0.5rem 1rem; z-index: 10; }

/* Display type: Archivo stretched to 125% width, heavy — echoes the logo's wide geometric caps. */
h1, h2, h3, .eyebrow, .footer-brand, .logo-sub, .btn {
  font-family: var(--display);
  font-variation-settings: "wdth" 125;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
h1 { font-size: clamp(2.1rem, 1.2rem + 4.2vw, 4.25rem); margin: 0 0 1.25rem; text-transform: uppercase; }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.4rem); margin: 0 0 1rem; text-transform: uppercase; }
h3 { font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem); margin: 0 0 0.5rem; }

/* The flame: a skewed red quad lifted from the jet mark, used as the section marker. */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; margin: 0 0 1rem;
}
.eyebrow::before {
  content: ""; width: 0.9em; aspect-ratio: 1;
  background: var(--flame);
  clip-path: polygon(30% 0, 100% 8%, 100% 75%, 0 100%);
}

/* Chamfered corners — the logo's cut-corner geometry. */
.chamfer {
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

/* Header */
.site-header { background: var(--ink); color: var(--on-dark); }
.header-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem 2rem; padding-block: clamp(1rem, 3vw, 1.5rem);
}
.logo { display: flex; flex-direction: column; gap: 0.35rem; text-decoration: none; color: var(--on-dark); }
.logo img { width: clamp(8.5rem, 32vw, 12.5rem); aspect-ratio: 1962 / 326; }
.logo-sub { font-size: clamp(0.6rem, 0.55rem + 0.3vw, 0.75rem); letter-spacing: 0.42em; color: var(--on-dark-soft); padding-left: 25%; }
.site-nav { display: flex; gap: clamp(1rem, 3vw, 2rem); }
.site-nav a {
  color: var(--on-dark); text-decoration: none; font-weight: 600; font-size: 0.95rem;
  padding-block: 0.4rem; border-bottom: 2px solid transparent;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--on-dark); border-bottom-color: var(--flame); }

/* Hero */
.hero { background: var(--ink); color: var(--on-dark); padding-block: var(--space); }
.hero .eyebrow { color: var(--on-dark-soft); }
.hero p.lede { font-size: clamp(1.1rem, 1rem + 0.6vw, 1.35rem); max-width: 40ch; color: var(--on-dark-soft); margin: 0 0 2rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-block; font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; padding: 0.95em 1.6em;
}
.btn-primary { background: var(--flame); color: var(--ink); }
.btn-primary:hover { background: var(--on-dark); color: var(--ink); }
.btn-ghost { background: var(--on-dark); color: var(--ink); }
.btn-ghost:hover { background: var(--flame); color: var(--ink); }

/* Sections */
.section { padding-block: var(--space); }
.section + .section { padding-top: 0; }
.prose { max-width: 68ch; }
.prose h2 { margin-top: 2.5rem; font-size: clamp(1.2rem, 1rem + 0.9vw, 1.6rem); }
.prose h2:first-child { margin-top: 0; }
.muted { color: var(--ink-soft); }

.grid { display: grid; gap: clamp(1rem, 2.5vw, 1.5rem); grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }
.card { background: var(--card); padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--line); }
.card p { margin: 0; color: var(--ink-soft); }

.product {
  display: grid; gap: clamp(1.5rem, 4vw, 3rem); align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  background: var(--card); border: 1px solid var(--line); padding: clamp(1.5rem, 4vw, 3rem);
}
.product .tagline { font-family: var(--display); font-variation-settings: "wdth" 125; font-weight: 800; font-size: clamp(1.4rem, 1rem + 2vw, 2.25rem); line-height: 1.1; margin: 0 0 1rem; }
.product ul { list-style: none; padding: 0; margin: 1.25rem 0 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; font-weight: 600; }

/* Company facts — what Apple's reviewer checks against D-U-N-S. */
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.6rem clamp(1rem, 3vw, 2.5rem); margin: 0; }
.facts dt { font-weight: 600; color: var(--ink-soft); }
.facts dd { margin: 0; }
@media (max-width: 30rem) {
  .facts { grid-template-columns: 1fr; gap: 0.15rem; }
  .facts dd { margin-bottom: 0.75rem; }
}

/* Footer */
.site-footer { background: var(--ink); color: var(--on-dark-soft); padding-block: clamp(2.5rem, 6vw, 4rem) 1.5rem; font-size: 0.9rem; }
.site-footer a { color: var(--on-dark); }
.site-footer a:hover { color: var(--flame); }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.footer-grid p { margin: 0 0 0.5rem; }
.footer-brand { color: var(--on-dark); font-size: 1rem; text-transform: uppercase; }
.site-footer address { font-style: normal; line-height: 1.8; }
.site-footer nav { display: flex; flex-direction: column; gap: 0.5rem; }
.copyright { border-top: 1px solid #2a2927; margin-top: 2.5rem; padding-top: 1.25rem; font-size: 0.8rem; }
.product .promise { font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem); color: var(--ink-soft); margin: 0; }
.product .outcomes { font-family: var(--display); font-variation-settings: "wdth" 125; font-weight: 600; font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.35rem); line-height: 1.35; margin: 0; }