/* Storehub — Design 3 "Canopy": warm editorial, serif-led, two-door audience entry */
@layer reset, base, layout, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  body { min-height: 100dvh; line-height: 1.65; -webkit-font-smoothing: antialiased; }
  img, svg { display: block; max-width: 100%; }
  input, button, textarea, select { font: inherit; color: inherit; }
}

@layer base {
  :root {
    color-scheme: light;
    /* storehub.io brand palette */
    --paper: #f7f9fc;
    --paper-2: #eef0f6;
    --card: #ffffff;
    --ink: #02094c;
    --ink-2: #2f373d;
    --muted: #54595f;
    --line: #dde1ea;
    --navy: #02094c;
    --on-navy: #c9cde3;
    --accent: #f56c20;
    --accent-2: #f45a2a;
    --accent-ink: #b94a0e; /* darker brand orange for small text on light (AA contrast) */
    --accent-50: #fef1e8;
    --radius: 6px;
    --max: 1200px;
    --pad: clamp(1.25rem, 4vw, 2.5rem);
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, ui-serif, serif;
    --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    accent-color: var(--accent);
  }
  @view-transition { navigation: auto; }

  html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  body { font-family: var(--sans); background: var(--paper); color: var(--ink-2); font-size: 1.075rem; }
  h1, h2, h3 { font-family: var(--serif); color: var(--ink); font-weight: 500; line-height: 1.08; letter-spacing: -0.015em; text-wrap: balance; }
  h1 { font-size: clamp(2.6rem, 6vw + .5rem, 5.25rem); }
  h2 { font-size: clamp(2rem, 3.5vw + .5rem, 3.4rem); }
  h3 { font-size: clamp(1.35rem, 1vw + 1rem, 1.7rem); }
  h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 700; }
  em { font-style: italic; color: var(--accent); }
  p { text-wrap: pretty; }
  a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: .22em; }
  a:hover { color: var(--accent-ink); }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
  ::selection { background: var(--accent-50); color: var(--ink); }
}

@layer layout {
  .container { width: min(100% - 2 * var(--pad), var(--max)); margin-inline: auto; }
  .section { padding-block: clamp(4rem, 9vw, 8rem); }
  .section--paper2 { background: var(--paper-2); }
  .section--navy { background: var(--navy); color: var(--on-navy); }
  .section--navy :is(h2, h3) { color: #ffffff; }
  .section--navy em { color: var(--accent); }
  .section--navy a { color: #ffffff; }
  .section--navy .lede { color: var(--on-navy); }
  .section--navy .panel a { color: var(--navy); }
  .rule { border: 0; border-top: 1px solid var(--line); }
  .cols { display: grid; gap: clamp(2rem, 5vw, 5rem); grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr)); }
  .cols--wide-left { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  @media (max-width: 900px) { .cols--wide-left { grid-template-columns: minmax(0, 1fr); } }
  .lede { font-size: clamp(1.15rem, 1vw + .9rem, 1.4rem); line-height: 1.55; color: var(--ink-2); max-width: 40rem; }
}

@layer components {
  .skip-link { position: absolute; left: 1rem; top: -4rem; background: var(--navy); color: white; padding: .6rem 1rem; z-index: 100; }
  .skip-link:focus { top: 1rem; }

  /* Header */
  .site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
  .site-header.is-scrolled { border-color: var(--line); }
  .site-header__inner { display: flex; align-items: center; gap: 2rem; min-height: 4.5rem; }
  .brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font-family: var(--serif); font-size: 1.45rem; letter-spacing: -0.01em; }
  .brand svg { width: 1.9rem; height: 1.9rem; color: var(--accent); }
  .nav { display: flex; align-items: center; gap: 1.6rem; margin-left: auto; font-size: .95rem; }
  .nav a:not(.btn) { color: var(--ink-2); text-decoration: none; font-weight: 500; position: relative; }
  .nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: currentColor; scale: 0 1; transform-origin: left; transition: scale .25s; }
  .nav a:not(.btn):hover::after, .nav a[aria-current="page"]::after { scale: 1 1; }
  .nav a[aria-current="page"] { color: var(--ink); }
  .nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); padding: .5rem; cursor: pointer; border-radius: var(--radius); }
  .nav-toggle svg { width: 1.5rem; height: 1.5rem; }
  @media (max-width: 960px) {
    .nav-toggle { display: inline-flex; }
    .nav { position: fixed; inset: 4.5rem 0 auto 0; flex-direction: column; align-items: flex-start; gap: 1.1rem; padding: 1.5rem var(--pad) 2rem; background: var(--paper); border-bottom: 1px solid var(--line); translate: 0 -120%; visibility: hidden; transition: translate .25s, visibility .25s; }
    .nav-open .nav { translate: 0 0; visibility: visible; }
  }

  /* Buttons */
  .btn { display: inline-flex; align-items: center; gap: .6rem; padding: .85rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: .98rem; text-decoration: none; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: #ffffff; transition: background .2s, border-color .2s, color .2s, gap .2s; line-height: 1.2; }
  .btn:hover { background: var(--navy); border-color: var(--navy); color: #ffffff; gap: .85rem; }
  .btn::after { content: "→"; }
  .btn--plain::after { content: none; }
  .btn--outline { background: transparent; color: var(--navy); border-color: var(--navy); }
  .btn--outline:hover { background: var(--navy); color: #ffffff; }
  .btn--light { background: #ffffff; color: var(--navy); border-color: #ffffff; }
  .btn--light:hover { background: var(--accent); border-color: var(--accent); color: #ffffff; }
  .btn--sm { padding: .55rem 1rem; font-size: .9rem; }
  .btn:disabled { opacity: .6; cursor: progress; }

  .overline { display: inline-flex; align-items: center; gap: .75rem; font-size: .78rem; text-transform: uppercase; letter-spacing: .16em; font-weight: 700; color: var(--accent-ink); margin-bottom: 1.25rem; }
  .overline::before { content: ""; width: 2rem; height: 1px; background: currentColor; }
  .section--navy .overline { color: var(--accent); }

  /* Doors (home) */
  .intro { padding-block: clamp(3rem, 7vw, 6rem) clamp(2rem, 4vw, 3rem); position: relative; overflow: clip; }
  .intro h1 { max-width: 15ch; }
  .intro .lede { margin-top: 1.5rem; }
  .frond { position: absolute; right: -4rem; top: -2rem; width: min(38rem, 60vw); color: var(--navy); opacity: .08; pointer-events: none; z-index: -1; }
  .doors { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 26rem), 1fr)); gap: 1.5rem; padding-bottom: clamp(3rem, 6vw, 5rem); }
  .door { position: relative; display: grid; align-content: space-between; gap: 2.5rem; min-height: 26rem; padding: clamp(1.75rem, 4vw, 3rem); border-radius: var(--radius); text-decoration: none; color: var(--ink-2); background: var(--card); border: 1px solid var(--line); overflow: hidden; transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s; }
  .door:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgb(2 9 76 / .45); color: var(--ink-2); }
  .door--partner { background: var(--navy); color: var(--on-navy); border-color: var(--navy); }
  .door--partner:hover { color: var(--on-navy); }
  .door--partner h2 { color: #ffffff; }
  .door--partner em { color: var(--accent); }
  .door__tag { font-size: .78rem; text-transform: uppercase; letter-spacing: .16em; font-weight: 700; color: var(--accent-ink); }
  .door--partner .door__tag { color: var(--accent); }
  .door h2 { font-size: clamp(2rem, 3vw + .5rem, 3rem); margin-block: .75rem 1rem; }
  .door ul { list-style: none; padding: 0; display: grid; gap: .5rem; border-top: 1px solid currentColor; border-top-color: color-mix(in srgb, currentColor 25%, transparent); padding-top: 1.25rem; }
  .door li::before { content: "— "; color: var(--accent); }
  .door--partner li::before { color: var(--accent); }
  .door__go { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--accent-ink); transition: gap .2s; }
  .door--partner .door__go { color: var(--accent); }
  .door:hover .door__go { gap: 1rem; }
  .door__num { position: absolute; right: 1.5rem; top: .5rem; font-family: var(--serif); font-size: 7rem; line-height: 1; color: color-mix(in srgb, currentColor 8%, transparent); }

  /* Page intro */
  .page-intro { padding-block: clamp(3rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--line); position: relative; overflow: clip; isolation: isolate; }
  .page-intro h1 { max-width: 17ch; }
  .page-intro .lede { margin-top: 1.5rem; }
  .page-intro__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

  /* Numbered features */
  .numbered { list-style: none; padding: 0; counter-reset: n; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); border-top: 1px solid var(--line); }
  .numbered > li { counter-increment: n; padding: 2rem 1.75rem 2rem 0; border-bottom: 1px solid var(--line); }
  .numbered > li::before { content: counter(n, decimal-leading-zero); display: block; font-family: var(--serif); font-size: 1rem; color: var(--accent-ink); margin-bottom: 1rem; }
  .numbered h3 { margin-bottom: .6rem; }
  .section--navy .numbered, .section--navy .numbered > li { border-color: rgb(255 255 255 / .15); }
  .section--navy .numbered > li::before { color: var(--accent); }

  /* Big stat row */
  .figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 2rem; }
  .figures div { border-top: 2px solid var(--navy); padding-top: 1rem; }
  .figures b { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(2.6rem, 4vw + 1rem, 4rem); color: var(--ink); line-height: 1; margin-bottom: .5rem; }
  .section--navy .figures div { border-color: var(--accent); }
  .section--navy .figures b { color: #ffffff; }

  /* Pull quote */
  .pull { font-family: var(--serif); font-size: clamp(1.6rem, 2.5vw + .75rem, 2.6rem); line-height: 1.25; color: var(--ink); max-width: 30ch; }
  .pull::before { content: "“"; display: block; font-size: 4em; line-height: .6; color: var(--accent); margin-bottom: .1em; }
  .pull-cite { margin-top: 1.5rem; font-size: .9rem; color: var(--muted); }
  .quotes { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
  .quotes figure { border-left: 2px solid var(--accent); padding-left: 1.25rem; }
  .quotes blockquote { font-family: var(--serif); font-size: 1.25rem; color: var(--ink); line-height: 1.4; }
  .quotes figcaption { margin-top: .75rem; font-size: .88rem; color: var(--muted); }

  /* Checklist */
  .check { list-style: none; padding: 0; display: grid; gap: .7rem; }
  .check li { display: grid; grid-template-columns: 1.4rem 1fr; gap: .5rem; }
  .check li::before { content: ""; width: .9rem; height: .9rem; margin-top: .4rem; border-radius: 50%; border: 2px solid var(--accent); background: radial-gradient(circle, var(--accent) 35%, transparent 40%); }
  .section--navy .check li::before { border-color: var(--accent); background: radial-gradient(circle, var(--accent) 35%, transparent 40%); }

  /* Panel */
  .panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.5rem); }
  .panel--tint { background: var(--paper-2); }

  /* Tabs via <details> for B2B vs retail */
  .ledger { display: grid; border-top: 1px solid var(--line); container-type: inline-size; }
  .ledger > div { display: grid; grid-template-columns: 14rem 1fr; gap: 1.5rem; padding-block: 1.5rem; border-bottom: 1px solid var(--line); }
  @container (max-width: 36rem) { .ledger > div { grid-template-columns: 1fr; gap: .5rem; } }
  .ledger dt { font-family: var(--serif); font-size: 1.3rem; color: var(--ink); }
  .ledger dd { margin: 0; }

  /* Status badges */
  .status { display: inline-grid; place-items: center; width: 1.5rem; height: 1.5rem; border-radius: 50%; font-size: .8rem; font-weight: 700; flex: none; }
  .status--y { background: var(--navy); color: #ffffff; }
  .status--p { background: #fee7d8; color: var(--accent-ink); }
  .status--n { border: 1px solid var(--line); color: #9aa0ad; }
  .status--na { color: #c9ced8; }
  .legend { display: flex; flex-wrap: wrap; gap: 1rem 1.75rem; font-size: .9rem; color: var(--muted); margin-block: 1rem; }
  .legend span { display: inline-flex; align-items: center; gap: .45rem; }

  /* Explorer */
  .explorer { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
  .explorer__controls { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); padding: 1.75rem; border-bottom: 1px solid var(--line); }
  .explorer__field label { display: block; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: .4rem; }
  .explorer__field select { width: 100%; padding: .7rem .2rem; border: 0; border-bottom: 2px solid var(--accent); background: transparent; font-family: var(--serif); font-size: 1.2rem; color: var(--ink); border-radius: 0; }
  .explorer__result { padding: 1.75rem; }
  .explorer__flow { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-bottom: 1.75rem; font-family: var(--serif); }
  .explorer__node { display: grid; font-size: 1.25rem; color: var(--ink); }
  .explorer__node small { font-family: var(--sans); font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
  .explorer__node--hub { color: var(--accent-ink); }
  .explorer__hub { color: var(--accent); font-size: 1.3rem; }
  .explorer__cols { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
  .explorer__cols h4 { margin-bottom: .75rem; }
  .explorer__list { list-style: none; padding: 0; border-top: 1px solid var(--line); }
  .explorer__item { display: flex; gap: .85rem; align-items: flex-start; padding-block: .7rem; border-bottom: 1px solid var(--line); }
  .explorer__item--n { opacity: .55; }
  .explorer__label { display: grid; color: var(--ink); }
  .explorer__note-inline { color: var(--muted); font-size: .85rem; }
  .explorer__disclaimer, .explorer__empty { margin-top: 1.25rem; font-size: .88rem; color: var(--muted); font-style: italic; }

  /* Matrix */
  .matrix-scroll { position: relative; overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
  .matrix { border-collapse: collapse; width: 100%; min-width: 56rem; font-size: .9rem; }
  .matrix th, .matrix td { padding: .65rem .7rem; border-bottom: 1px solid var(--line); text-align: center; }
  .matrix thead th { font-size: .78rem; font-weight: 700; color: var(--ink); vertical-align: bottom; background: var(--paper-2); }
  .matrix thead th:first-child, .matrix tbody th[scope="row"] { text-align: left; position: sticky; left: 0; background: var(--card); }
  .matrix thead th:first-child { background: var(--paper-2); }
  .matrix tbody th[scope="row"] { font-weight: 500; color: var(--ink); min-width: 13rem; }
  .matrix__group th { text-align: left !important; font-family: var(--serif); font-size: 1.05rem; font-weight: 500; color: var(--navy); background: var(--paper) !important; }

  /* Calculator */
  .calc { display: grid; gap: 1.25rem; }
  .calc input[type="range"] { width: 100%; }
  .calc__row { display: flex; justify-content: space-between; font-weight: 600; color: var(--ink); }
  .calc__row output { font-family: var(--serif); font-size: 1.4rem; }
  .calc__out { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; border-top: 1px solid var(--line); padding-top: 1.25rem; }
  .calc__out small { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
  .calc__out b { font-family: var(--serif); font-weight: 400; font-size: 2.2rem; color: var(--accent); }
  .calc__fine { font-size: .82rem; color: var(--muted); font-style: italic; }

  /* Forms */
  .form { display: grid; gap: 1.25rem 1.5rem; grid-template-columns: repeat(2, 1fr); }
  .form .field--full, .form > .btn, .form__status, .form__legal { grid-column: 1 / -1; }
  .form > .btn { justify-self: start; }
  @media (max-width: 600px) { .form { grid-template-columns: 1fr; } }
  .field { display: grid; gap: .3rem; }
  .field__label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
  .field :is(input, select, textarea) { width: 100%; padding: .6rem .1rem; border: 0; border-bottom: 1px solid var(--ink-2); background: transparent; border-radius: 0; font-size: 1.05rem; color: var(--ink); transition: border-color .15s; }
  .field :is(input, select, textarea):focus { outline: none; border-bottom: 2px solid var(--accent); }
  .field :is(input, textarea):user-invalid { border-bottom-color: #b91c1c; }
  .field textarea { min-height: 7rem; resize: vertical; }
  .form__status { min-height: 1.5em; font-weight: 600; }
  .form__status[data-state="ok"] { color: var(--navy); }
  .form__status[data-state="error"] { color: #b91c1c; }
  .form__legal { font-size: .82rem; color: var(--muted); }
  .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

  .inline-list { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; list-style: none; padding: 0; font-family: var(--serif); font-size: 1.25rem; color: var(--ink); }
  .inline-list li:not(:last-child)::after { content: " ·"; color: var(--accent); margin-left: 1.25rem; }

  .contact-list { list-style: none; padding: 0; display: grid; gap: 1.1rem; }
  .contact-list small { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--muted); }
  .contact-list a, .contact-list span { font-family: var(--serif); font-size: 1.2rem; color: var(--ink); text-decoration: none; }
  .section--navy .contact-list a, .section--navy .contact-list span { color: #ffffff; }
  .section--navy .contact-list small { color: var(--accent); }

  details.faq { border-bottom: 1px solid var(--line); }
  details.faq summary { cursor: pointer; list-style: none; padding-block: 1.25rem; font-family: var(--serif); font-size: 1.3rem; color: var(--ink); display: flex; justify-content: space-between; gap: 1rem; }
  details.faq summary::-webkit-details-marker { display: none; }
  details.faq summary::after { content: "+"; color: var(--accent); transition: rotate .2s; }
  details.faq[open] summary::after { rotate: 45deg; }
  details.faq p { padding-bottom: 1.25rem; max-width: 50rem; }

  /* Footer */
  .site-footer { background: var(--navy); color: #9ba1c4; padding-block: 4rem 2rem; font-size: .95rem; }
  .site-footer a { color: #d5d8ea; text-decoration: none; }
  .site-footer a:hover { color: white; }
  .site-footer .brand { color: #ffffff; }
  .site-footer .brand svg { color: var(--accent); }
  .footer-top { display: grid; gap: 2rem; grid-template-columns: 2fr repeat(3, 1fr); }
  @media (max-width: 860px) { .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 480px) { .footer-top { grid-template-columns: minmax(0, 1fr); } }
  .footer-top h4 { color: var(--accent); margin-bottom: 1rem; }
  .footer-top ul { list-style: none; padding: 0; display: grid; gap: .45rem; }
  .footer-sign { font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.4rem); color: #ffffff; line-height: 1.2; margin-top: 1rem; max-width: 20ch; }
  .footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgb(255 255 255 / .1); font-size: .85rem; }
}

@layer utilities {
  .visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
  .mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
  .muted { color: var(--muted); }
  .js-reveal [data-reveal] { opacity: 0; translate: 0 24px; transition: opacity .8s cubic-bezier(.2,.7,.2,1), translate .8s cubic-bezier(.2,.7,.2,1); }
  .js-reveal [data-reveal].is-visible { opacity: 1; translate: 0 0; }
}