/* Good Cookie landing — "paperwork": warm paper, ink, one ballpoint blue, highlighter for what the wizard fills in.
   serif display (Newsreader), Plex Sans for reading, Plex Mono for anything that is a file, a value or a label. */

/* fonts: self-hosted, SIL OFL (licenses in /fonts). no third-party requests. */
@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("/fonts/newsreader-latin-opsz-normal.woff2") format("woff2"); }
@font-face { font-family: "Newsreader"; font-style: italic; font-weight: 200 800; font-display: swap; src: url("/fonts/newsreader-latin-wght-italic.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-sans-latin-ext-400-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fonts/ibm-plex-sans-latin-ext-600-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-mono-latin-ext-400-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

:root {
  color-scheme: light;
  --paper: #f3efe6;
  --desk: #e9e3d5;
  --sheet: #fdfbf6;
  --ink: #1a1814;
  --ink-2: #3f3b33;
  --muted: #6b6558;
  --rule: #d8d1c0;
  --blue: #2a3fd0;
  --mark: #ffe873;
  --ok: #1b6e41;
  --err: #a8261d;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --wrap: 1240px;
  --shadow: 0 1px 0 rgba(26, 24, 20, 0.04), 0 12px 32px -12px rgba(26, 24, 20, 0.22);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
a { color: inherit; text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.015em; line-height: 1.08; margin: 0; }
p { margin: 0; }
code { font-family: var(--mono); font-size: 0.86em; background: rgba(26, 24, 20, 0.06); border-radius: 3px; padding: 1px 5px; }
mark { background: var(--mark); color: inherit; padding: 0 2px; border-radius: 2px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.kicker, .label, .sec-no {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(243, 239, 230, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.35rem; letter-spacing: -0.02em; text-decoration: none; }
.brand::before { content: "§"; color: var(--blue); margin-right: 0.28em; font-weight: 500; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 0.93rem; }
.nav-links a { color: var(--ink-2); text-decoration: none; }
.nav-links a:hover { color: var(--ink); text-decoration: underline; }

/* buttons */
.btn {
  display: inline-block; border: 1px solid var(--ink); background: var(--ink); color: var(--sheet);
  font: 600 1rem/1.2 var(--sans); padding: 12px 20px; border-radius: 6px; text-decoration: none; cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { background: var(--blue); border-color: var(--blue); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.6; cursor: progress; }
.btn-lg { padding: 16px 26px; font-size: 1.04rem; }
.btn-sm { padding: 9px 14px; font-size: 0.9rem; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--sheet); }

.sheet { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; box-shadow: var(--shadow); }

/* hero */
.hero { padding: 72px 0 84px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 640px); gap: 64px; align-items: start; }
.hero-copy { padding-top: 22px; }
.hero h1 { font-size: clamp(2.5rem, 4.6vw, 4.1rem); margin: 18px 0 24px; text-wrap: balance; }
.hero h1 em { font-style: italic; color: var(--blue); }
.lede { font-size: 1.14rem; color: var(--ink-2); max-width: 52ch; }
.lede strong { color: var(--ink); font-weight: 600; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.reassure { color: var(--muted); font-size: 0.92rem; margin-top: 18px; max-width: 48ch; }

/* live banner demo */
.demo { min-width: 0; }
.browser { border: 1px solid var(--ink); border-radius: 10px; overflow: hidden; background: var(--sheet); box-shadow: var(--shadow); }
.browser-bar { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-bottom: 1px solid var(--ink); background: var(--paper); }
.browser-dots { display: flex; gap: 6px; }
.browser-dots i { width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--ink); }
.browser-url { flex: 1; min-width: 0; font: 0.78rem var(--mono); color: var(--ink-2); background: var(--sheet); border: 1px solid var(--rule); border-radius: 20px; padding: 3px 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.browser-reset { font: 0.74rem var(--mono); letter-spacing: 0.04em; background: none; border: 1px solid var(--ink); border-radius: 4px; padding: 3px 10px; cursor: pointer; color: var(--ink); }
.browser-reset:hover { background: var(--ink); color: var(--sheet); }
.browser-frame { display: block; width: 100%; height: 400px; border: 0; background: #fbfaf6; }

.demo-controls { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 14px 0; }
.seg { display: flex; align-items: center; gap: 0; font: 0.76rem var(--mono); }
.seg-label { color: var(--muted); margin-right: 8px; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.7rem; }
.seg button { font: inherit; background: transparent; color: var(--ink); border: 1px solid var(--ink); border-left-width: 0; padding: 5px 10px; cursor: pointer; }
.seg button:first-of-type { border-left-width: 1px; border-radius: 4px 0 0 4px; }
.seg button:last-of-type { border-radius: 0 4px 4px 0; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--sheet); }

.log { background: var(--ink); color: #e9e4d6; border-radius: 8px; padding: 16px 18px; font: 0.78rem/1.55 var(--mono); }
.log code { background: rgba(255, 255, 255, 0.1); color: inherit; }
.log-head { color: #a9a292; margin-bottom: 10px; }
.log dl { margin: 0; display: grid; gap: 6px; }
.log dl > div { display: grid; grid-template-columns: 172px minmax(0, 1fr); gap: 12px; }
.log dt { color: #a9a292; }
.log dd { margin: 0; overflow-wrap: anywhere; }
.tag { display: inline-block; padding: 0 6px; border-radius: 3px; margin-right: 6px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.tag-off { background: #4a4539; color: #e9e4d6; }
.tag-on { background: var(--mark); color: var(--ink); }
.tag-zero { background: #2f6b4a; color: #fff; }

/* sections */
.section { padding: 96px 0; }
.section-rule { border-top: 1px solid var(--rule); }
.section-desk { background: var(--desk); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.sec-head { margin-bottom: 44px; }
.sec-no { color: var(--blue); margin-bottom: 14px; }
.section h2 { font-size: clamp(2rem, 3.5vw, 3rem); max-width: 22ch; text-wrap: balance; }
.sub { color: var(--ink-2); max-width: 62ch; margin-top: 16px; }
.sub b { font-weight: 600; color: var(--ink); }

/* zip explorer */
.explorer { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 28px; align-items: start; }
.tree { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 10px; font: 0.84rem var(--mono); position: sticky; top: 84px; }
.tree-root { padding: 8px 10px 10px; color: var(--muted); overflow-wrap: anywhere; font-size: 0.78rem; }
.file { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; width: 100%; text-align: left; font: inherit; color: var(--ink); background: none; border: 0; border-radius: 5px; padding: 9px 10px 9px 26px; cursor: pointer; }
.file:hover { background: rgba(26, 24, 20, 0.06); }
.file[aria-selected="true"] { background: var(--ink); color: var(--sheet); }
.file-size { color: var(--muted); font-size: 0.74rem; white-space: nowrap; }
.file[aria-selected="true"] .file-size { color: #b9b2a1; }
.panel { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 30px 32px 32px; box-shadow: var(--shadow); min-width: 0; }
.panel h3 { font-size: 1.7rem; margin-bottom: 10px; }
.panel > p { color: var(--ink-2); max-width: 70ch; }
.legend { font-size: 0.88rem; margin-top: 14px; }
.cut { font-size: 0.84rem; color: var(--muted) !important; margin-top: 10px; }
.doc-frame { display: block; width: 100%; height: 560px; margin-top: 16px; border: 1px solid var(--rule); border-radius: 6px; background: #fff; }
.doc-frame-short { height: 440px; }
.code { margin: 16px 0 0; background: var(--ink); color: #e9e4d6; border-radius: 6px; padding: 18px 20px; overflow: auto; max-height: 460px; font: 0.8rem/1.6 var(--mono); tab-size: 2; }
.code code { background: none; padding: 0; font-size: inherit; color: inherit; white-space: pre; }
.code .c { color: #9a927f; }
.code mark { background: none; color: var(--mark); padding: 0; }

/* banner facts */
.banner-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.facts { margin: 0; display: grid; gap: 0; }
.facts > div { padding: 22px 0; border-top: 1px solid var(--rule); }
.facts > div:last-child { border-bottom: 1px solid var(--rule); }
.facts dt { font-family: var(--serif); font-size: 1.4rem; letter-spacing: -0.01em; margin-bottom: 6px; }
.facts dd { margin: 0; color: var(--ink-2); }
.install { position: sticky; top: 84px; }
.install .label { margin-bottom: 0; }

/* steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.steps li { border-top: 1px solid var(--ink); padding-top: 18px; }
.steps .n { font: italic 500 3.4rem/1 var(--serif); color: var(--blue); display: block; margin-bottom: 18px; }
.steps h3 { font-size: 1.5rem; margin-bottom: 8px; }
.steps p { color: var(--ink-2); }

/* pricing */
.pricing-grid { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 64px; align-items: center; }
.pricing-grid .sec-head { margin-bottom: 0; }
.receipt { position: relative; isolation: isolate; padding: 32px 30px 44px; font-family: var(--mono); font-size: 0.86rem; filter: drop-shadow(0 14px 22px rgba(26, 24, 20, 0.16)); }
.receipt::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: #fffdf8;
  -webkit-mask: linear-gradient(#000 0 0) top / 100% calc(100% - 10px) no-repeat, conic-gradient(from -45deg at 50% 100%, #0000 0 90deg, #000 0) bottom / 20px 10px repeat-x;
  mask: linear-gradient(#000 0 0) top / 100% calc(100% - 10px) no-repeat, conic-gradient(from -45deg at 50% 100%, #0000 0 90deg, #000 0) bottom / 20px 10px repeat-x;
}
.receipt-title { text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.78rem; text-align: center; padding-bottom: 16px; border-bottom: 1px dashed var(--ink); }
.incl { list-style: none; padding: 14px 0; margin: 0; border-bottom: 1px dashed var(--ink); }
.incl li, .receipt-row, .receipt-total { display: flex; justify-content: space-between; gap: 16px; padding: 5px 0; }
.incl li span:last-child, .receipt-row span:last-child { color: var(--muted); text-align: right; }
.receipt-row { padding-top: 14px; }
.receipt-total { align-items: baseline; font-weight: 400; padding: 6px 0 22px; }
.receipt-total .price { font: 500 3.4rem/1 var(--serif); letter-spacing: -0.03em; }
.receipt .btn { font-family: var(--sans); }
.receipt-note { text-align: center; color: var(--muted); font-size: 0.78rem; margin-top: 14px; }

/* wizard */
.workbench { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.wizard { padding: 0 32px 30px; }
.stepper { list-style: none; display: flex; gap: 0; padding: 0; margin: 0 -32px 28px; border-bottom: 1px solid var(--rule); }
.stepper li { flex: 1; }
.stepper button { width: 100%; font: 0.8rem var(--mono); color: var(--muted); background: none; border: 0; border-bottom: 2px solid transparent; padding: 16px 8px 14px; cursor: pointer; white-space: nowrap; }
.stepper button b { font-weight: 400; display: inline-block; width: 22px; height: 22px; line-height: 21px; border: 1px solid currentColor; border-radius: 50%; margin-right: 6px; font-size: 0.72rem; }
.stepper button[aria-current="step"] { color: var(--ink); border-bottom-color: var(--ink); }
.stepper button[aria-current="step"] b { background: var(--ink); color: var(--sheet); border-color: var(--ink); }
.stepper button.is-done { color: var(--ink); }
.stepper button.is-done b { background: var(--mark); border-color: var(--ink); }
html:not(.js) .stepper, html:not(.js) #next-btn, html:not(.js) #back-btn { display: none; }
.js .step:not(.is-active) { display: none; }
fieldset { border: 0; padding: 0; margin: 0 0 8px; min-width: 0; }
html:not(.js) fieldset { margin-top: 28px; }
legend { font: 500 1.7rem/1.15 var(--serif); letter-spacing: -0.015em; padding: 0; margin-bottom: 18px; }
.step-hint { color: var(--muted); font-size: 0.92rem; margin: -8px 0 10px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.span2 { grid-column: 1 / -1; }
label { display: block; font-size: 0.86rem; font-weight: 600; color: var(--ink-2); }
label.req::after { content: none; }
.wizard input:not([type="checkbox"]), .wizard select {
  display: block; width: 100%; margin-top: 6px; padding: 11px 12px; background: #fff; color: var(--ink);
  border: 1px solid #bdb5a2; border-radius: 5px; font: 400 1rem var(--sans);
}
.wizard input::placeholder { color: #a39c8b; }
.wizard input:focus, .wizard select:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: var(--blue); }
.wizard input.is-invalid { border-color: var(--err); box-shadow: 0 0 0 1px var(--err); }
label.check { display: flex; align-items: flex-start; gap: 12px; font-size: 1rem; font-weight: 400; color: var(--ink); padding: 13px 0; border-top: 1px solid var(--rule); cursor: pointer; }
label.check input { width: 20px; height: 20px; margin: 3px 0 0; accent-color: var(--blue); flex: none; }
.step-hint + label.check { border-top: 0; }
.sub-fields { margin: 0 0 16px 32px; }
.grid2 + label.check { margin-top: 18px; }
.wizard-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 26px; }
.err { color: var(--err); font-size: 0.92rem; font-weight: 600; }

.slip { position: sticky; top: 84px; background: #fffdf8; border: 1px solid var(--rule); border-radius: 4px; padding: 22px 22px 18px; font: 0.82rem/1.5 var(--mono); box-shadow: var(--shadow); }
.slip .label { border-bottom: 1px dashed var(--ink); padding-bottom: 12px; margin-bottom: 4px; color: var(--ink); }
.slip dl { margin: 0; }
.slip dl > div { padding: 10px 0; border-bottom: 1px dashed var(--rule); }
.slip dt { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; }
.slip dd { margin: 2px 0 0; overflow-wrap: anywhere; }
.slip dd.empty { color: #a39c8b; }
.slip-foot { color: var(--muted); font-size: 0.76rem; margin-top: 12px; }

/* preview */
.preview { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: start; }
.preview-doc { border: 1px solid var(--ink); border-radius: 8px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.preview-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; padding: 10px 16px; border-bottom: 1px solid var(--ink); background: var(--paper); font: 0.8rem var(--mono); }
.preview-tag { color: var(--muted); }
#preview-frame { display: block; width: 100%; height: min(78vh, 820px); min-height: 480px; border: 0; background: #fff; }
.buy { position: sticky; top: 84px; padding: 26px 26px 22px; }
.buy h3 { font-size: 1.55rem; margin-bottom: 10px; }
.buy > p { color: var(--ink-2); font-size: 0.95rem; }
.locked { list-style: none; padding: 0; margin: 14px 0 22px; font-size: 0.9rem; }
.locked li { padding: 7px 0 7px 22px; border-top: 1px solid var(--rule); position: relative; }
.locked li::before { content: "+"; position: absolute; left: 2px; font-family: var(--mono); color: var(--blue); }
.buy .btn + .btn { margin-top: 10px; }
.buy .err { display: block; margin-top: 12px; }
.buy-note { font-size: 0.8rem !important; color: var(--muted) !important; margin-top: 14px; }

/* faq */
.faq-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: 56px; align-items: start; }
.faq details { border-top: 1px solid var(--rule); }
.faq details:last-child { border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; font: 500 1.3rem/1.25 var(--serif); padding: 18px 36px 18px 0; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font: 400 1.3rem var(--mono); color: var(--blue); }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 22px; color: var(--ink-2); max-width: 68ch; }

/* footer */
.footer { background: var(--ink); color: #d9d3c4; padding: 52px 0 64px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: 56px; }
.footer .brand { color: var(--sheet); }
.footer .brand::before { color: var(--mark); }
.footer .muted { color: #a9a292; font-size: 0.9rem; margin-top: 10px; max-width: 40ch; }
.disc { font-size: 0.95rem; max-width: 68ch; }
.disc b { color: #fff; }

/* success view (rendered by lib/pages.js) */
.done-page { min-height: 100vh; background: var(--desk); }
.done { padding-top: 64px; padding-bottom: 80px; max-width: 720px; }
.done-sheet { padding: 44px 44px 36px; }
.done-sheet h1 { font-size: clamp(2.2rem, 6vw, 3.2rem); margin: 14px 0 16px; }
.done-lede { color: var(--ink-2); margin-bottom: 28px; max-width: 54ch; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; }
.dot-ok { background: var(--ok); }
.dot-wait { background: #c98a12; }
.done-files { margin-top: 36px; border-top: 1px dashed var(--ink); padding-top: 18px; }
.done-files ul { list-style: none; padding: 0; margin: 10px 0 0; font-size: 0.92rem; }
.done-files li { padding: 5px 0; }
.done-note { margin-top: 26px; font-size: 0.88rem; color: var(--muted); }
.done-link { display: inline-block; margin-top: 6px; word-break: break-all; }
.done-disc { margin-top: 26px; font-size: 0.85rem; color: var(--muted); }
.done-disc b { color: var(--ink-2); }

/* responsive */
@media (max-width: 1140px) {
  .hero { padding: 48px 0 64px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .hero-copy { padding-top: 0; }
  .hero h1 { max-width: 18ch; }
  .demo { max-width: 760px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav .btn { margin-left: auto; }
  .section { padding: 68px 0; }
  .explorer, .banner-grid, .pricing-grid, .workbench, .preview, .faq-grid, .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .tree { position: static; display: flex; gap: 6px; overflow-x: auto; padding: 8px; scrollbar-width: thin; }
  .tree-root, .file-size { display: none; }
  .file { width: auto; flex: none; padding: 9px 12px; border: 1px solid var(--rule); white-space: nowrap; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .steps .n { font-size: 2.6rem; margin-bottom: 10px; }
  .slip, .buy, .install { position: static; }
  .receipt { max-width: 440px; }
  .sec-head { margin-bottom: 32px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 18px; }
  .hero { padding: 32px 0 52px; }
  .hero h1 { font-size: 2.45rem; margin: 14px 0 18px; }
  .lede { font-size: 1.04rem; }
  .cta-row .btn { width: 100%; text-align: center; }
  .browser-frame { height: 470px; }
  .log dl > div { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .log dl { gap: 10px; }
  .section { padding: 56px 0; }
  .panel { padding: 22px 18px 22px; }
  .panel h3 { font-size: 1.45rem; }
  .doc-frame { height: 460px; }
  .grid2 { grid-template-columns: minmax(0, 1fr); }
  .wizard { padding: 0 18px 22px; }
  .stepper { margin: 0 -18px 22px; }
  .stepper button span { display: none; }
  .stepper button[aria-current="step"] span { display: inline; }
  .stepper li { flex: 0 1 auto; }
  .stepper li:has([aria-current="step"]) { flex: 1; }
  legend { font-size: 1.45rem; }
  .wizard-actions .btn { flex: 1 1 auto; text-align: center; }
  .sub-fields { margin-left: 0; }
  #preview-frame { height: 70vh; }
  .receipt { padding: 28px 20px 40px; }
  .done-sheet { padding: 30px 22px 26px; }
  .done { padding-top: 32px; }
}