/* ============================================================
   WayScale — shared chrome + component styles for standalone
   PHP pages (modules/*, blog.php, blog-post.php, changelog.php).
   Tokens/buttons/topbar/footer mirror index.html's inline
   <style> block verbatim so nothing visually drifts between the
   landing page and these pages — kept as one file instead of
   duplicated per page.
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --ink:        #1D1D1B;
    --ink-soft:   #2A2A28;
    --ink-mute:   #6B6B68;
    --line:       #E5E3DD;
    --paper:      #F6F4EF;
    --paper-2:    #EDEAE2;
    --white:      #FFFFFF;

    --blue-50:    #E8F0FF;
    --blue-100:   #C7DBFF;
    --blue-300:   #5C95FF;
    --blue-500:   #1A6BFF;
    --blue-600:   #0954E6;
    --blue-700:   #003FB3;
    --blue-900:   #001E5C;

    --amber:      #E8B14A;
    --moss:       #6A8A4F;
    --moss-bg:    #E8EFDB;
    --moss-tx:    #43592A;
    --rust-bg:    #F5DDD3;
    --rust-tx:    #9A3B1E;

    --sans: "Montserrat", "Helvetica Neue", Arial, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

    --r-sm: 4px;
    --r-md: 10px;
    --r-lg: 18px;
    --r-pill: 999px;

    --shadow-sm: 0 1px 0 rgba(29,29,27,0.04);
    --shadow-md: 0 1px 0 rgba(29,29,27,0.04), 0 12px 30px -16px rgba(29,29,27,0.16);
}

html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { text-decoration: none; color: inherit; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 56px; }
@media (max-width: 720px) { .wrap { padding: 0 24px; } }

section.block { padding: 96px 0; border-bottom: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: 220px 1fr; gap: 56px; margin-bottom: 48px; }
@media (max-width: 880px) { .sec-head { grid-template-columns: 1fr; gap: 16px; } }
.sec-no { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.sec-no::before { content: ""; display: inline-block; width: 24px; height: 1px; background: var(--ink-mute); vertical-align: middle; margin-right: 12px; transform: translateY(-2px); }
.sec-title { font-size: clamp(32px, 4vw, 48px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.05; margin: 0 0 16px; }
.sec-title .light { font-weight: 200; letter-spacing: 0; }
.sec-desc { max-width: 640px; color: var(--ink-soft); font-size: 16px; line-height: 1.55; margin: 0; }

.wm { display: inline-block; vertical-align: middle; height: 1em; aspect-ratio: 164.25 / 20.94; background-color: currentColor; -webkit-mask: url(/assets/wordmark.svg) center/contain no-repeat; mask: url(/assets/wordmark.svg) center/contain no-repeat; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--sans); font-weight: 600; font-size: 17px; letter-spacing: 0.01em; padding: 20px 34px; border-radius: var(--r-pill); border: 1px solid transparent; cursor: pointer; transition: transform .12s ease, background .15s ease, color .15s ease, border-color .15s ease; }
.btn:active { transform: translateY(1px); }
.btn-blue { background: var(--blue-500); color: var(--white); }
.btn-blue:hover { background: var(--blue-600); }
.btn-outline { background: transparent; color: var(--paper); border-color: rgba(246,244,239,.32); }
.btn-outline:hover { border-color: rgba(246,244,239,.6); }
.btn-lg { font-size: 21px; padding: 28px 48px; }
.btn-sm { font-size: 13px; padding: 9px 18px; }
.btn-link { padding: 0; background: none; border: none; color: var(--blue-600); font-weight: 600; }
.btn-block { width: 100%; justify-content: center; }

/* ── Tags ── */
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: var(--r-pill); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; background: var(--paper-2); color: var(--ink-soft); border: 1px solid var(--line); }
.tag.blue { background: var(--blue-50); border-color: var(--blue-100); color: var(--blue-700); }

/* ── Promo bar + topbar (shared chrome) ── */
.promo-bar { background: var(--ink); color: var(--paper); }
.promo-bar-inner { display: flex; align-items: center; justify-content: center; gap: 18px; height: 38px; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.promo-bar-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue-300); animation: promoPulse 1.8s infinite; }
@keyframes promoPulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.promo-bar-sep { opacity: .45; }
.promo-bar-countdown { color: var(--blue-300); }
@media (max-width: 720px) { .promo-bar-inner { font-size: 9.5px; gap: 10px; } }

.topbar { position: sticky; top: 0; z-index: 50; background: rgba(246,244,239,.86); backdrop-filter: saturate(140%) blur(12px); -webkit-backdrop-filter: saturate(140%) blur(12px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.brand-lockup { display: inline-flex; align-items: baseline; gap: 9px; color: var(--ink); }
.brand-lockup .wm { font-size: 19px; }
.brand-lockup .suffix { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--blue-600); }
.topbar nav { display: flex; gap: 4px; flex: 1 1 auto; justify-content: center; }
.topbar nav a { color: var(--ink-mute); font-size: 12.5px; font-weight: 500; letter-spacing: 0.03em; padding: 8px 14px; border-radius: var(--r-pill); transition: background .15s ease, color .15s ease; }
.topbar nav a:hover, .topbar nav a.active { color: var(--ink); background: var(--paper-2); }
@media (max-width: 880px) { .topbar nav { display: none; } }

/* ── Footer ── */
.foot { background: var(--ink); color: rgba(246,244,239,.85); padding: 56px 0 40px; }
.foot-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; color: var(--paper); }
.foot-brand .wm { font-size: 18px; }
.foot-brand .suffix { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--blue-300); }
.foot-row { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(246,244,239,.6); border-top: 1px solid rgba(246,244,239,.14); padding-top: 22px; }
.foot-row a { color: inherit; border-bottom: 1px dotted currentColor; padding-bottom: 1px; }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }

/* ── FAQ accordion ── */
.faq-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; padding: 22px 0; font-size: 16px; font-weight: 600; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .plus { font-size: 18px; color: var(--blue-600); transition: transform .2s ease; flex: 0 0 auto; }
.faq-item[open] .plus { transform: rotate(45deg); }
.faq-item p { margin: 0 0 24px; font-size: 15px; line-height: 1.65; color: var(--ink-soft); max-width: 680px; }

/* ── Breadcrumb ── */
.crumb { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 36px; }
.crumb a { color: var(--ink-mute); }
.crumb a:hover { color: var(--ink); }
.crumb .sep { opacity: .5; }
.crumb .current { color: var(--ink); }

/* ── Module detail page ── */
.mod-hero { background: var(--white); border-bottom: 1px solid var(--line); padding: 34px 0 64px; }
.mod-hero-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 56px; align-items: start; }
@media (max-width: 980px) { .mod-hero-grid { grid-template-columns: 1fr; } }
.mod-hero-badge-row { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.mod-hero-icon { width: 60px; height: 60px; border-radius: var(--r-md); background: var(--blue-600); display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.mod-hero-icon svg { width: 30px; height: 30px; }
.mod-hero h1 { font-size: clamp(38px,5vw,68px); font-weight: 800; letter-spacing: -.03em; line-height: 1; margin: 0 0 18px; }
.mod-hero-lede { font-size: 19px; line-height: 1.5; color: var(--ink-soft); max-width: 560px; margin: 0 0 28px; }
.mod-kpis { display: flex; flex-wrap: wrap; gap: 26px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); max-width: 560px; }
.mod-kpis .kpi-v { font-size: 26px; font-weight: 800; letter-spacing: -.02em; color: var(--blue-600); }
.mod-kpis .kpi-l { font-size: 12px; color: var(--ink-mute); margin-top: 2px; }

.buy-card { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px; background: var(--paper); box-shadow: var(--shadow-md); position: sticky; top: 96px; }
.buy-card-meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mute); }
.buy-card-price { display: flex; align-items: baseline; gap: 6px; margin: 12px 0 4px; }
.buy-card-price .amount { font-size: 48px; font-weight: 800; letter-spacing: -.03em; }
.buy-card-price .cents { font-size: 18px; font-weight: 600; color: var(--ink-mute); }
.buy-card-note { font-size: 12.5px; color: var(--ink-mute); margin-bottom: 20px; }
.buy-card-pack { margin: 14px 0 18px; padding: 14px; border: 1px dashed var(--blue-100); background: var(--blue-50); border-radius: var(--r-md); font-size: 13px; line-height: 1.5; color: var(--blue-700); }
.buy-card-pack a { display: block; margin-top: 6px; font-weight: 600; }
.buy-card-checks { display: flex; flex-direction: column; gap: 9px; font-size: 12.5px; color: var(--ink-soft); }

.problem-solution { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 880px) { .problem-solution { grid-template-columns: 1fr; } }
.problem-solution h2 { font-size: clamp(26px,2.8vw,38px); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; margin: 0 0 18px; }
.problem-solution p { font-size: 16px; line-height: 1.65; color: var(--ink-soft); margin: 0 0 24px; }
.pain-list { display: flex; flex-direction: column; gap: 12px; }
.pain-item { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; line-height: 1.55; color: var(--ink-soft); }
.pain-item .x { flex: 0 0 auto; width: 18px; height: 18px; border-radius: 50%; background: var(--rust-bg); color: var(--rust-tx); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; margin-top: 2px; }
.solution-card { border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--white); }
.solution-card-shot { height: 220px; background: var(--paper-2) linear-gradient(135deg, var(--blue-50), var(--paper-2)); display: flex; align-items: center; justify-content: center; color: var(--ink-mute); font-size: 13px; font-family: var(--mono); text-align: center; padding: 20px; }
.solution-card-copy { padding: 20px 22px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.6; color: var(--ink-soft); }

.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
@media (max-width: 880px) { .steps-grid { grid-template-columns: 1fr; } }
.step-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; }
.step-card__no { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--blue-600); margin-bottom: 16px; }
.step-card__title { font-size: 16.5px; font-weight: 700; margin-bottom: 8px; }
.step-card__desc { margin: 0; font-size: 14px; line-height: 1.6; color: var(--ink-soft); }

.feat-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 18px; }
.feat-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; }
.feat-card-t { font-size: 15.5px; font-weight: 700; margin-bottom: 8px; }
.feat-card-d { margin: 0; font-size: 14px; line-height: 1.6; color: var(--ink-soft); }

.quote-band { background: var(--ink); color: var(--paper); border-bottom: none; }
.quote-band-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 880px) { .quote-band-grid { grid-template-columns: 1fr; } }
.quote-band blockquote { font-size: clamp(20px,2.2vw,28px); line-height: 1.4; font-weight: 300; margin: 0 0 24px; }
.quote-band-by { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: rgba(246,244,239,.6); }
.compare-box { border: 1px solid rgba(246,244,239,.16); border-radius: var(--r-lg); padding: 32px; background: rgba(246,244,239,.05); }
.compare-box-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: rgba(246,244,239,.55); margin-bottom: 20px; }
.compare-row { display: grid; grid-template-columns: 1fr auto auto; gap: 14px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid rgba(246,244,239,.12); }
.compare-row .l { font-size: 14px; color: rgba(246,244,239,.7); }
.compare-row .before { font-size: 15px; color: rgba(246,244,239,.45); text-decoration: line-through; }
.compare-row .after { font-size: 19px; font-weight: 700; color: var(--blue-300); }

.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
@media (max-width: 880px) { .related-grid { grid-template-columns: 1fr; } }
.related-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; color: var(--ink); display: flex; flex-direction: column; gap: 12px; transition: border-color .15s ease; }
.related-card:hover { border-color: var(--blue-100); }
.related-card-foot { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding-top: 12px; font-size: 13px; }
.related-card-foot strong { font-size: 18px; }
.related-card-foot span { color: var(--blue-600); font-weight: 600; }

.sticky-buy { position: sticky; bottom: 0; z-index: 40; background: var(--ink); color: var(--paper); border-top: 1px solid rgba(246,244,239,.16); }
.sticky-buy-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 0; flex-wrap: wrap; }
.sticky-buy-name { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.sticky-buy-name strong { font-size: 15px; }
.sticky-buy-name span { font-family: var(--mono); font-size: 11px; color: rgba(246,244,239,.55); letter-spacing: .08em; }
.sticky-buy-cta { display: flex; align-items: center; gap: 18px; }
.sticky-buy-cta .price { font-size: 20px; font-weight: 800; }

/* ── Blog list ── */
.blog-hero { background: var(--ink); color: var(--paper); padding: 72px 0 56px; }
.blog-hero h1 { font-size: clamp(32px,4.4vw,52px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 12px; }
.blog-hero p { max-width: 560px; color: rgba(246,244,239,.72); font-size: 16px; line-height: 1.55; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(320px,1fr)); gap: 22px; }
.blog-card { display: flex; flex-direction: column; gap: 14px; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px; color: var(--ink); transition: border-color .15s ease, transform .15s ease; }
.blog-card:hover { border-color: var(--blue-100); transform: translateY(-2px); }
.blog-card-meta { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-mute); }
.blog-card h2 { font-size: 19px; font-weight: 700; letter-spacing: -.01em; line-height: 1.3; margin: 0; }
.blog-card p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ink-soft); }

/* ── Blog article ── */
.article-hero { background: var(--white); border-bottom: 1px solid var(--line); padding: 56px 0; }
.article-hero h1 { font-size: clamp(30px,4vw,46px); font-weight: 800; letter-spacing: -.03em; line-height: 1.08; margin: 18px 0 20px; max-width: 780px; }
.article-lede { font-size: 18px; line-height: 1.55; color: var(--ink-soft); max-width: 680px; margin: 0 0 20px; }
.article-byline { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--ink-mute); }
.article-byline strong { color: var(--ink); }
.article-body { max-width: 680px; margin: 0; padding: 56px 0; }
.article-body h2 { font-size: 22px; font-weight: 700; letter-spacing: -.015em; margin: 36px 0 12px; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { font-size: 16px; line-height: 1.7; color: var(--ink-soft); margin: 0 0 16px; }
.article-body h3 { font-size: 17px; font-weight: 700; margin: 24px 0 10px; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 22px; color: var(--ink-soft); font-size: 16px; line-height: 1.7; }
.article-body li { margin-bottom: 6px; }
.article-body a { color: var(--blue-600); text-decoration: underline; }
.article-body strong { font-weight: 700; color: var(--ink); }
.article-takeaways { max-width: 680px; margin: 0 0 56px; background: var(--paper-2); border-radius: var(--r-lg); padding: 28px 30px; }
.article-takeaways h3 { font-size: 13px; font-family: var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-mute); margin: 0 0 14px; }
.article-takeaways ul { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }

/* ── Changelog ── */
.log-hero { background: var(--ink); color: var(--paper); padding: 72px 0 56px; }
.log-hero h1 { font-size: clamp(32px,4.4vw,52px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 12px; }
.log-hero p { max-width: 560px; color: rgba(246,244,239,.72); font-size: 16px; line-height: 1.55; }
.legal-lang-switch { font-family: var(--mono); font-size: 13px; letter-spacing: .04em; margin-top: 14px !important; }
.legal-lang-switch a { color: rgba(246,244,239,.72); }
.legal-lang-switch a:hover { color: var(--paper); text-decoration: underline; }
.legal-lang-switch a[aria-current="page"] { color: var(--paper); font-weight: 700; }
.log-timeline { max-width: 800px; margin: 0 auto; }
.log-entry { display: grid; grid-template-columns: 140px 1fr; gap: 32px; padding: 32px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 640px) { .log-entry { grid-template-columns: 1fr; gap: 8px; } }
.log-entry-meta { font-family: var(--mono); }
.log-entry-v { font-size: 15px; font-weight: 700; color: var(--blue-600); }
.log-entry-date { font-size: 11px; color: var(--ink-mute); margin-top: 4px; }
.log-entry-kind { display: inline-block; margin-top: 10px; }
.log-entry h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.log-entry ul { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.65; }