/* main.css — reset, layout, components, motion.
   Swiss-editorial: bright white, hairlines, big type, generous air.
   No colors or fonts here; those live in theme.css. */

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--ink);
  line-height: 1.05;
  margin: 0 0 var(--sp-3);
  font-weight: 700;
  letter-spacing: -0.03em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.02em; }
p { margin: 0 0 var(--sp-2); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dk); }
strong { color: var(--ink); font-weight: 600; }
ul { padding-left: 1.1rem; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

/* Skip link */
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 0.6rem 1rem; z-index: 100; }
.skip-link:focus { left: 0; top: 0; }

/* Layout */
.container { width: 100%; max-width: var(--maxw-wide); margin-inline: auto; padding-inline: 1.75rem; }
.prose { max-width: var(--maxw-prose); }
.section { padding-block: var(--sp-7); }
.section + .section { border-top: var(--border); }
.band-alt { background: var(--paper-2); }
.band-ink { background: var(--ink); color: var(--on-ink-soft); }
.band-ink h1, .band-ink h2, .band-ink h3 { color: var(--on-ink); }
.band-ink strong { color: var(--on-ink); }
.band-ink a { color: #fff; text-decoration: underline; }

/* Eyebrow — numbered editorial index label */
.eyebrow {
  display: flex; align-items: baseline; gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 var(--sp-3);
}
.eyebrow .num { color: var(--accent); font-weight: 500; }
.band-ink .eyebrow { color: var(--on-ink-soft); }
.band-ink .eyebrow .num { color: #fff; }

.lead { font-size: var(--fs-lead); color: var(--ink); line-height: 1.35; letter-spacing: -0.01em; }
.section-head { max-width: 52rem; margin-bottom: var(--sp-5); }

/* Header / nav */
.site-header { border-bottom: var(--border); background: var(--paper); position: sticky; top: 0; z-index: 50; }
.site-nav { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); padding-block: 1.15rem; flex-wrap: wrap; }
.brand { font-family: var(--font-sans); font-weight: 700; font-size: 1.15rem; color: var(--ink); letter-spacing: -0.03em; }
.brand::after { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-left: 0.35rem; vertical-align: middle; }
.site-nav nav { display: flex; gap: var(--sp-4); flex-wrap: wrap; }
.site-nav nav a { color: var(--ink-soft); font-size: 0.9rem; letter-spacing: -0.01em; }
.site-nav nav a:hover { color: var(--ink); }

/* Buttons and text links */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.85rem 1.5rem; border-radius: var(--radius); font-weight: 600; font-size: 0.98rem; border: 1px solid var(--ink); transition: var(--transition); cursor: pointer; letter-spacing: -0.01em; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; color: #fff; }
.btn-outline { background: transparent; color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.band-ink .btn-primary { background: #fff; color: var(--ink); border-color: #fff; }
.band-ink .btn-primary:hover { background: var(--on-ink-soft); }
.link-arrow { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; color: var(--accent); letter-spacing: -0.01em; }
.link-arrow::after { content: "\2192"; transition: transform var(--transition); }
.link-arrow:hover::after { transform: translateX(4px); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); margin-top: var(--sp-4); }

/* Hero */
.hero-grid { display: grid; grid-template-columns: 1fr; gap: var(--sp-5); align-items: center; }
@media (min-width: 860px) { .hero-grid { grid-template-columns: 1.3fr 0.7fr; gap: var(--sp-6); } }
.hero h1 { font-size: var(--fs-display); margin-bottom: var(--sp-4); }
.hero .lead { max-width: 40rem; }
.hero-motif { color: var(--accent); opacity: 0.9; }
.hero-motif svg { width: 100%; height: auto; }

/* Trust strip */
.trust-row { display: grid; grid-template-columns: 1fr; gap: var(--sp-4); margin-top: var(--sp-6); padding-top: var(--sp-4); border-top: var(--border); }
@media (min-width: 620px) { .trust-row { grid-template-columns: 1fr 1fr; } }
.trust-item h3 { font-size: 1rem; margin: 0 0 0.3rem; }
.trust-item p { font-size: 0.9rem; margin: 0; color: var(--ink-soft); }

/* Numbered columns (receive/do/produce) */
.cols-3 { display: grid; gap: var(--sp-5); grid-template-columns: 1fr; }
@media (min-width: 760px) { .cols-3 { grid-template-columns: repeat(3, 1fr); } }

/* Simple two-column grid (screenshot placeholders, paired blocks) */
.grid-2 { display: grid; gap: var(--sp-4); grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* Numbered file/spec list (kit contents) */
.speclist { list-style: none; padding: 0; margin: 0; border-top: var(--border); }
.speclist li { border-bottom: var(--border); padding: var(--sp-4) 0; display: grid; grid-template-columns: 1fr; gap: 0.35rem; }
@media (min-width: 640px) { .speclist li { grid-template-columns: 3.5rem 1fr; gap: var(--sp-3); } }
.speclist .n { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); letter-spacing: 0.08em; }
.speclist h3 { margin: 0 0 0.25rem; }
.speclist p { margin: 0; font-size: 0.95rem; }
.col-item { border-top: 2px solid var(--ink); padding-top: var(--sp-3); }
.col-item .col-num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); letter-spacing: 0.1em; }
.col-item h3 { margin: 0.6rem 0 0.5rem; }

/* Product mockup placeholder */
.mockup { border: var(--border); background: var(--paper-2); aspect-ratio: 4 / 3; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: var(--sp-4); border-radius: var(--radius); }
.mockup .label { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); }
.mockup .title { font-size: var(--fs-h3); color: var(--ink); font-weight: 700; letter-spacing: -0.02em; margin: 0.5rem 0; }
.mockup .sub { font-size: 0.9rem; color: var(--ink-soft); max-width: 26rem; }

/* Kit cards — minimal, hairline, hover to ink border */
.cards { display: grid; gap: 0; grid-template-columns: 1fr; border-top: var(--border); }
@media (min-width: 820px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card { border-bottom: var(--border); padding: var(--sp-5) var(--sp-4); display: flex; flex-direction: column; transition: var(--transition); }
@media (min-width: 820px) { .card { border-right: var(--border); } .cards .card:last-child { border-right: none; } }
.card:hover { background: var(--paper-2); }
.card.is-featured { background: var(--accent-tint); }
.card .kicker { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--sp-3); }
.card h3 { margin-bottom: var(--sp-2); }
.card .price { font-size: 2rem; color: var(--ink); font-weight: 700; letter-spacing: -0.03em; margin: 0 0 var(--sp-2); }
.card .price small { font-size: 0.8rem; color: var(--ink-faint); font-weight: 500; letter-spacing: 0; }
.card p { font-size: 0.95rem; }
.card .card-cta { margin-top: auto; padding-top: var(--sp-3); }

/* Founder */
.founder { display: grid; grid-template-columns: 1fr; gap: var(--sp-5); align-items: start; }
@media (min-width: 760px) { .founder { grid-template-columns: 240px 1fr; } }
.founder .photo { aspect-ratio: 1 / 1; }
.founder-photo { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: var(--radius); border: var(--border); filter: grayscale(100%); }
.signature { font-weight: 700; color: var(--ink); letter-spacing: -0.02em; margin-top: var(--sp-3); }

/* Framed placeholder */
.frame { border: var(--border); background: var(--paper-2); border-radius: var(--radius); padding: var(--sp-4); text-align: center; min-height: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.frame .frame-label { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-faint); }
.frame .caption { font-size: 0.85rem; color: var(--ink-faint); margin-top: 0.5rem; }

/* Pricing table */
.pricing-table { width: 100%; border-collapse: collapse; margin: var(--sp-4) 0; font-size: 0.96rem; }
.pricing-table th, .pricing-table td { border-bottom: var(--border); padding: 0.85rem 0.9rem; text-align: center; }
.pricing-table th { color: var(--ink); font-weight: 700; letter-spacing: -0.01em; }
.pricing-table td:first-child, .pricing-table th:first-child { text-align: left; color: var(--ink-soft); }
.pricing-table .check { color: var(--accent); font-weight: 700; }

/* Disclaimer */
.disclaimer { font-size: 0.85rem; color: var(--ink-faint); }

/* Footer */
.site-footer { border-top: var(--border); padding-block: var(--sp-5); }
.site-footer .brand { color: var(--ink); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-block: var(--sp-3); }
.site-footer a { color: var(--ink-soft); font-size: 0.9rem; }
.site-footer a:hover { color: var(--ink); }
.site-footer small { color: var(--ink-faint); }

/* Color accents — subdued rhythm across the near-monochrome layout */
.c-indigo { color: var(--accent); }
.c-teal { color: var(--c-teal); }
.c-coral { color: var(--c-coral); }

/* Receive / Do / Produce columns cycle the three hues */
.cols-3 .col-item:nth-child(1) { border-top-color: var(--accent); }
.cols-3 .col-item:nth-child(2) { border-top-color: var(--c-teal); }
.cols-3 .col-item:nth-child(3) { border-top-color: var(--c-coral); }
.cols-3 .col-item:nth-child(1) .col-num { color: var(--accent); }
.cols-3 .col-item:nth-child(2) .col-num { color: var(--c-teal); }
.cols-3 .col-item:nth-child(3) .col-num { color: var(--c-coral); }

/* Kit-card kickers pick up the hues; featured card gets a colored top edge */
.cards .card:nth-child(1) .kicker { color: var(--c-teal); }
.cards .card:nth-child(2) .kicker { color: var(--accent); }
.cards .card:nth-child(3) .kicker { color: var(--c-coral); }
.card.is-featured { box-shadow: inset 0 3px 0 var(--accent); }

/* Section-number color rhythm (01 indigo, 02 teal, 03 coral, and repeat) */
main > section:nth-of-type(2) .eyebrow .num { color: var(--c-teal); }
main > section:nth-of-type(3) .eyebrow .num { color: var(--c-coral); }
main > section:nth-of-type(5) .eyebrow .num { color: var(--c-teal); }
main > section:nth-of-type(6) .eyebrow .num { color: var(--c-coral); }

/* Scorer */
#scorer-form { max-width: 42rem; }
.scorer-cat { font-size: var(--fs-h3); margin: var(--sp-5) 0 var(--sp-3); padding-bottom: var(--sp-1); border-bottom: 2px solid var(--accent); }
.scorer-q { border: var(--border); border-radius: var(--radius); padding: var(--sp-3); margin: 0 0 var(--sp-3); }
.scorer-q legend { font-weight: 600; color: var(--ink); padding: 0 0.4rem; }
.scorer-q label { display: inline-flex; align-items: center; gap: 0.4rem; margin-right: var(--sp-4); cursor: pointer; }
.scorer-gate { margin: var(--sp-4) 0; }

/* Motion — subdued: slow, small fade-up */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}