:root { --ink: #111a19; --ink-soft: #26322f; --paper: #f5f3ec; --paper-deep: #e7e9da; --lime: #b7ef69; --lime-dark: #86b44a; --orange: #f29956; --muted: #63706a; --line: rgba(17,26,25,.16); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.circle-shell { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.circle-header { position: relative; z-index: 2; color: #fff; background: var(--ink); }
.circle-nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.12); }
.circle-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: -.04em; }.circle-brand > span:last-child { color: var(--lime); }.circle-mark { display: grid; grid-template-columns: repeat(2, 7px); gap: 2px; transform: rotate(3deg); }.circle-mark i { width: 7px; height: 7px; background: var(--lime); }.circle-mark i:nth-child(2) { background: var(--orange); }.circle-mark i:nth-child(3) { background: #7398a6; }
.circle-nav nav { display: flex; align-items: center; gap: 25px; color: rgba(255,255,255,.66); font-size: 12px; }.circle-nav nav a:hover { color: var(--lime); }.circle-nav .nav-cta { padding: 11px 15px; color: var(--ink); background: var(--lime); font-weight: 800; }.circle-nav .nav-cta:hover { color: var(--ink); background: #d0ff8d; }
.circle-hero { position: relative; overflow: hidden; padding: 88px 0 104px; color: #fff; background: radial-gradient(circle at 72% 45%, rgba(114,167,83,.28), transparent 27%), linear-gradient(120deg, #111a19, #1d3029 67%, #284236); }.circle-hero::after { content: ""; position: absolute; inset: 0; opacity: .18; background: repeating-linear-gradient(135deg, transparent 0 26px, rgba(183,239,105,.18) 26px 27px); pointer-events: none; }.circle-hero .circle-shell { position: relative; z-index: 1; }.circle-eyebrow, .section-eyebrow { margin: 0 0 18px; color: var(--lime); font-size: 10px; font-weight: 850; letter-spacing: .2em; }.circle-eyebrow::before, .section-eyebrow::before { content: ""; display: inline-block; width: 23px; height: 2px; margin: 0 9px 3px 0; background: currentColor; }.circle-hero h1, h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.055em; }.circle-hero h1 { max-width: 700px; font-size: clamp(50px, 7vw, 86px); line-height: .93; }.circle-hero h1 em, h2 em { color: var(--lime); font-style: normal; }.circle-lead { max-width: 600px; margin: 25px 0 0; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.75; }
.generator-section { position: relative; z-index: 1; padding: 0 0 104px; background: var(--paper-deep); }.generator-layout { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 24px; transform: translateY(-38px); }.controls-panel, .preview-panel { border: 1px solid var(--line); box-shadow: 13px 16px 0 rgba(17,26,25,.1); }.controls-panel { padding: 27px; background: #fbfaf4; }.panel-heading { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; }.panel-kicker { color: var(--orange); font: 800 10px ui-monospace, monospace; letter-spacing: .12em; }.panel-heading h2 { font-family: inherit; font-size: 18px; font-weight: 800; letter-spacing: -.035em; }
.dimension-fields { display: grid; grid-template-columns: 1fr 18px 1fr; align-items: end; gap: 7px; }.dimension-fields label { color: var(--ink); font-size: 12px; font-weight: 800; }.dimension-fields label span { display: block; margin: 3px 0 6px; color: var(--muted); font-size: 9px; font-weight: 500; }.dimension-fields input { width: 100%; padding: 10px 8px; border: 1px solid var(--line); border-radius: 0; color: var(--ink); background: var(--paper-deep); font: 800 17px ui-monospace, monospace; outline: none; }.dimension-fields input:focus { border-color: var(--lime-dark); box-shadow: 0 0 0 3px rgba(183,239,105,.35); }.times { padding-bottom: 11px; color: var(--orange); font-size: 19px; text-align: center; }.field-help { margin: 10px 0 26px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.mode-control { margin: 0; padding: 0; border: 0; }.mode-control legend { margin-bottom: 9px; font-size: 12px; font-weight: 800; }.mode-option { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; padding: 10px; border: 1px solid var(--line); cursor: pointer; }.mode-option:has(input:checked) { border-color: var(--lime-dark); background: #eef7de; }.mode-option input { accent-color: var(--ink); }.mode-option b, .mode-option small { display: block; }.mode-option b { font-size: 12px; }.mode-option small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.zoom-control { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; margin-top: 25px; font-size: 12px; font-weight: 800; }.zoom-control output { color: var(--muted); font: 10px ui-monospace, monospace; }.zoom-control input { grid-column: span 2; width: 100%; accent-color: var(--lime-dark); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 25px; background: var(--line); border: 1px solid var(--line); }.stat-grid div { min-height: 67px; padding: 10px; background: var(--ink); color: #fff; }.stat-grid div:last-child { grid-column: span 2; min-height: 48px; background: #293a34; }.stat-grid span, .stat-grid strong, .stat-grid small { display: block; }.stat-grid span { color: rgba(255,255,255,.5); font: 9px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .06em; }.stat-grid strong { margin-top: 4px; color: var(--lime); font-size: 20px; letter-spacing: -.04em; }.stat-grid div:last-child strong { font-size: 15px; }.stat-grid small { display: inline; color: rgba(255,255,255,.45); font-size: 9px; }
.panel-actions { display: grid; gap: 8px; margin-top: 22px; }.panel-actions button { cursor: pointer; border: 1px solid transparent; font-size: 11px; font-weight: 800; letter-spacing: .03em; }.action-primary { display: flex; justify-content: space-between; padding: 13px 14px; color: var(--ink); background: var(--lime); }.action-primary:hover { background: #d0ff8d; }.action-secondary { padding: 11px 13px; color: var(--ink); background: transparent; border-color: var(--line) !important; }.action-secondary:hover { background: var(--paper-deep); }.action-text { justify-self: start; padding: 4px 0; color: var(--muted); background: none; }.action-text:hover { color: var(--ink); }.copy-status { min-height: 12px; margin: 0; color: #50713a; font-size: 10px; }
.preview-panel { display: flex; flex-direction: column; min-width: 0; overflow: hidden; background: #fbfaf4; }.preview-bar, .preview-foot { display: flex; align-items: center; justify-content: space-between; padding: 12px 15px; color: #5d6862; background: #e2e5d7; font: 10px ui-monospace, monospace; letter-spacing: .05em; }.preview-bar i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; background: var(--lime-dark); }.preview-foot { color: rgba(255,255,255,.62); background: var(--ink); }.preview-foot span:last-child { color: var(--lime); }.grid-scroll { min-height: 580px; max-height: 650px; padding: 34px; overflow: auto; background: repeating-linear-gradient(45deg, rgba(17,26,25,.025) 0 1px, transparent 1px 12px); }.circle-grid { --grid-columns: 21; --cell-size: 16px; display: grid; grid-template-columns: repeat(var(--grid-columns), var(--cell-size)); width: max-content; margin: auto; border-top: 1px solid rgba(17,26,25,.2); border-left: 1px solid rgba(17,26,25,.2); background: #e8eadc; box-shadow: 0 0 0 9px #d5dac9, 0 13px 0 rgba(17,26,25,.11); }.grid-cell { display: block; width: var(--cell-size); height: var(--cell-size); border-right: 1px solid rgba(17,26,25,.2); border-bottom: 1px solid rgba(17,26,25,.2); }.grid-cell.is-filled { background: var(--lime); box-shadow: inset 2px 2px 0 rgba(255,255,255,.28), inset -2px -2px 0 rgba(77,109,46,.16); }
.guide-section, .circle-seo, .faq-section { padding: 110px 0; }.guide-section { background: var(--paper); }.guide-layout, .seo-columns, .faq-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 110px; }.guide-layout h2, .seo-columns h2, .faq-layout h2 { font-size: clamp(42px, 5vw, 67px); line-height: .96; }.section-eyebrow { color: var(--orange); }.guide-layout > div > p:not(.section-eyebrow), .seo-content > p { max-width: 350px; margin: 24px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }.row-guide { border-top: 1px solid var(--line); }.guide-row { display: grid; grid-template-columns: 76px 1fr; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); }.guide-row span { color: var(--orange); font: 800 10px ui-monospace, monospace; }.guide-row b { font: 12px ui-monospace, monospace; }.guide-ellipsis { padding: 6px 0; color: var(--muted); text-align: center; letter-spacing: .2em; }
.circle-seo { color: #fff; background: var(--ink); }.circle-seo .section-eyebrow { color: var(--lime); }.seo-content > p { max-width: 580px; margin-top: 0; color: rgba(255,255,255,.65); }.seo-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }.seo-facts article { padding-top: 16px; border-top: 1px solid rgba(255,255,255,.22); }.seo-facts h3 { margin: 0 0 9px; color: var(--lime); font-size: 15px; }.seo-facts p { margin: 0; color: rgba(255,255,255,.55); font-size: 12px; line-height: 1.65; }
.faq-section { background: var(--paper-deep); }.faq-list { border-top: 1px solid var(--line); }.faq-list article { padding: 21px 0; border-bottom: 1px solid var(--line); }.faq-list h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -.03em; }.faq-list p { max-width: 560px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.circle-footer { padding: 30px 0 24px; color: rgba(255,255,255,.58); background: var(--ink); font-size: 11px; }.circle-footer > div > div { display: flex; justify-content: space-between; gap: 20px; }.circle-footer a { color: var(--lime); }.circle-footer p { margin: 22px 0 0; padding-top: 15px; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.35); font-size: 10px; line-height: 1.6; }
@media (max-width: 860px) { .generator-layout { grid-template-columns: 1fr; }.controls-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; }.panel-heading, .panel-actions { grid-column: span 2; }.stat-grid { margin-top: 0; }.preview-panel { min-height: 500px; }.grid-scroll { min-height: 440px; }.guide-layout, .seo-columns, .faq-layout { grid-template-columns: 1fr; gap: 44px; }.guide-layout > div > p:not(.section-eyebrow) { max-width: 600px; }.seo-facts { max-width: 700px; } }
@media (max-width: 560px) { .circle-shell { width: calc(100% - 32px); }.circle-nav { min-height: 68px; }.circle-nav nav a:not(.nav-cta) { display: none; }.circle-hero { padding: 68px 0 90px; }.circle-lead { font-size: 14px; }.generator-section { padding-bottom: 70px; }.generator-layout { gap: 15px; transform: translateY(-28px); }.controls-panel { display: block; padding: 21px; }.panel-actions { margin-top: 20px; }.grid-scroll { min-height: 360px; padding: 25px; }.preview-bar, .preview-foot { padding: 11px; font-size: 9px; }.guide-section, .circle-seo, .faq-section { padding: 72px 0; }.guide-layout h2, .seo-columns h2, .faq-layout h2 { font-size: 45px; }.seo-facts { grid-template-columns: 1fr; gap: 14px; }.circle-footer > div > div { flex-direction: column; }.circle-footer p { margin-top: 18px; }.guide-row { grid-template-columns: 65px 1fr; gap: 8px; }.guide-row b { font-size: 11px; } }
