:root {
  --ink-950: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --canvas: #ffffff;
  --canvas-warm: #f8fafc;
  --surface-soft: #f1f5f9;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #eff6ff;
  --success: #15803d;
  --warning: #b45309;
  --danger: #b91c1c;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-pill: 999rem;
  --shadow-tool: 0 1.25rem 3.125rem rgba(15, 23, 42, 0.08), 0 0.25rem 0.75rem rgba(37, 99, 235, 0.06);
  --font-sans: Inter, "Segoe UI", Roboto, Arial, "Noto Sans KR", Pretendard, sans-serif;
  --container: 73.75rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink-950); background: var(--canvas); font-family: var(--font-sans); font-size: 1rem; line-height: 1.65; text-rendering: optimizeLegibility; }
body, button, input, textarea { font-family: var(--font-sans); }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
:focus-visible { outline: 0.125rem solid var(--accent); outline-offset: 0.1875rem; }

.container { width: min(calc(100% - 2.5rem), var(--container)); margin-inline: auto; }
.section-pad { padding-block: var(--space-24); }
.skip-link { position: fixed; top: var(--space-3); left: var(--space-3); z-index: 10; padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm); color: var(--canvas); background: var(--ink-950); transform: translateY(-200%); transition: transform 160ms ease-out; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: relative; z-index: 2; background: var(--canvas); border-bottom: 0.0625rem solid var(--border); }
.header-inner { display: flex; min-height: 4.75rem; align-items: center; justify-content: space-between; gap: var(--space-8); }
.wordmark { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 700; letter-spacing: -0.03em; }
.wordmark-mark { display: inline-grid; width: 1.875rem; height: 1.875rem; place-items: center; border-radius: var(--radius-sm); color: var(--canvas); background: var(--accent); font-size: 0.875rem; font-weight: 700; }
.primary-nav { display: flex; align-items: center; gap: var(--space-8); font-size: 0.875rem; font-weight: 600; color: var(--ink-700); }
.primary-nav a:not(.nav-cta) { transition: color 160ms ease-out; }
.primary-nav a:not(.nav-cta):hover { color: var(--accent); }
.nav-cta { padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm); color: var(--canvas); background: var(--accent); transition: background 160ms ease-out, transform 120ms ease-out; }
.nav-cta:hover { background: var(--accent-dark); }
.nav-cta:active { transform: scale(0.98); }
.menu-toggle { display: none; padding: var(--space-2) var(--space-3); border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); background: var(--canvas); font-size: 0.875rem; font-weight: 600; }
.language-control { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--ink-500); font-size: 0.75rem; font-weight: 600; white-space: nowrap; }
.language-control select { min-height: 2.25rem; max-width: 10rem; padding: 0 var(--space-3); border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); color: var(--ink-950); background: var(--canvas); font-size: 0.75rem; font-weight: 600; }
.language-control select:hover { border-color: var(--accent); }
.language-control select:focus-visible { outline: 0.125rem solid var(--accent); outline-offset: 0.125rem; }

.hero { overflow: hidden; padding-top: var(--space-16); background: var(--canvas); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(31rem, 1.1fr); align-items: center; gap: clamp(var(--space-10), 8vw, var(--space-24)); }
.eyebrow { display: flex; align-items: center; gap: var(--space-3); margin: 0 0 var(--space-5); color: var(--accent); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.eyebrow-line { width: 2rem; height: 0.125rem; background: var(--accent); }
.hero h1 { max-width: 10ch; margin: 0; color: var(--ink-950); font-size: clamp(2.75rem, 6vw, 5rem); line-height: 1.04; letter-spacing: -0.07em; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-lede { max-width: 34rem; margin: var(--space-6) 0 0; color: var(--ink-700); font-size: 1.125rem; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-8); }
.button { display: inline-flex; min-height: 2.875rem; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-3) var(--space-5); border: 0.0625rem solid transparent; border-radius: var(--radius-sm); font-size: 0.875rem; font-weight: 700; transition: background 160ms ease-out, border-color 160ms ease-out, color 160ms ease-out, transform 120ms ease-out; }
.button[hidden] { display: none; }
.button:active { transform: scale(0.98); }
.button-primary { color: var(--canvas); background: var(--accent); }
.button-primary:hover { background: var(--accent-dark); }
.button-secondary { border-color: var(--border); color: var(--ink-700); background: var(--canvas); }
.button-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.button-wide { width: 100%; }
.text-link { color: var(--ink-700); font-size: 0.875rem; font-weight: 600; text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 0.25rem; transition: color 160ms ease-out, text-decoration-color 160ms ease-out; }
.text-link:hover { color: var(--accent); text-decoration-color: var(--accent); }
.hero-notes { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); margin-top: var(--space-10); color: var(--ink-500); font-size: 0.75rem; }
.hero-notes span { display: inline-flex; align-items: center; gap: var(--space-2); }
.hero-notes span::before { content: ""; width: 0.375rem; height: 0.375rem; border-radius: 50%; background: var(--accent); }

.hero-demo { min-width: 0; }
.demo-window { overflow: hidden; border: 0.0625rem solid var(--border); border-radius: var(--radius-lg); background: var(--canvas); box-shadow: var(--shadow-tool); }
.demo-topbar, .demo-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-4) var(--space-5); border-bottom: 0.0625rem solid var(--border); font-size: 0.75rem; }
.demo-file { font-weight: 700; }
.demo-status, .demo-footer { color: var(--ink-500); }
.demo-body { display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) 8rem; min-height: 23rem; }
.demo-tool-rail { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4) var(--space-2); border-right: 0.0625rem solid var(--border); background: var(--canvas-warm); }
.rail-item { display: grid; min-height: 4.5rem; place-items: center; border-radius: var(--radius-sm); color: var(--ink-500); font-size: 0.75rem; font-weight: 700; }
.rail-item.is-active { color: var(--accent); background: var(--accent-soft); }
.demo-editor { min-width: 0; padding: var(--space-5); }
.demo-tab-row { display: flex; gap: var(--space-4); padding-bottom: var(--space-4); border-bottom: 0.0625rem solid var(--border); color: var(--ink-500); font-size: 0.75rem; font-weight: 600; }
.demo-tab.is-active { color: var(--accent); }
.demo-paper { position: relative; min-height: 15rem; margin-top: var(--space-5); padding: var(--space-8); border: 0.0625rem solid var(--border); border-radius: var(--radius-md); background: var(--canvas); }
.paper-kicker { display: block; margin-bottom: var(--space-4); color: var(--accent); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.08em; }
.demo-paper strong { display: block; color: var(--ink-950); font-size: clamp(1.25rem, 2.5vw, 1.75rem); line-height: 1.35; letter-spacing: -0.05em; }
.paper-line { display: block; height: 0.5rem; margin-top: var(--space-5); border-radius: var(--radius-pill); background: var(--surface-soft); }
.paper-line-long { width: 92%; }
.paper-line-medium { width: 72%; }
.paper-line-short { width: 48%; }
.paper-cursor { position: absolute; right: 2rem; bottom: 2rem; width: 0.125rem; height: 1.5rem; background: var(--accent); animation: blink 1.2s step-end infinite; }
.demo-side { display: flex; flex-direction: column; gap: var(--space-6); padding: var(--space-6) var(--space-4); border-left: 0.0625rem solid var(--border); background: var(--canvas-warm); }
.demo-side div { padding-bottom: var(--space-4); border-bottom: 0.0625rem solid var(--border); }
.demo-side span, .demo-side strong { display: block; }
.demo-side span { color: var(--ink-500); font-size: 0.6875rem; }
.demo-side strong { margin-top: var(--space-2); font-size: 1.5rem; line-height: 1; letter-spacing: -0.05em; }
.demo-footer { border-top: 0.0625rem solid var(--border); border-bottom: 0; }
[dir="rtl"] .demo-tool-rail { border-right: 0; border-left: 0.0625rem solid var(--border); }
[dir="rtl"] .demo-side { border-left: 0; border-right: 0.0625rem solid var(--border); }

.tools-section { background: var(--canvas-warm); }
.section-heading { max-width: 38rem; }
.section-heading h2, .feature-lead h2, .cta-inner h2 { margin: 0; color: var(--ink-950); font-size: clamp(1.9rem, 3.5vw, 3rem); line-height: 1.12; letter-spacing: -0.07em; }
.section-heading > p:last-child { margin: var(--space-5) 0 0; color: var(--ink-700); }
.tool-shell { margin-top: var(--space-12); border: 0.0625rem solid var(--border); border-radius: var(--radius-lg); background: var(--canvas); box-shadow: var(--shadow-tool); }
.tool-tabbar { display: grid; grid-template-columns: repeat(5, 1fr); border-bottom: 0.0625rem solid var(--border); }
.tool-tab { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: var(--space-3); align-items: center; padding: var(--space-5) var(--space-6); border: 0; border-right: 0.0625rem solid var(--border); color: var(--ink-500); background: var(--canvas); text-align: left; transition: background 160ms ease-out, color 160ms ease-out; }
.tool-tab:last-child { border-right: 0; }
.tool-tab:hover { color: var(--accent); background: var(--accent-soft); }
.tool-tab.is-active { color: var(--ink-950); background: var(--accent-soft); box-shadow: inset 0 -0.125rem 0 var(--accent); }
.tab-number { grid-row: span 2; color: var(--accent); font-size: 0.75rem; font-weight: 700; }
.tool-tab span:not(.tab-number) { font-size: 0.9375rem; font-weight: 700; }
.tool-tab small { margin-top: var(--space-1); color: var(--ink-500); font-size: 0.75rem; }
.tool-panel { display: grid; grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1.2fr); gap: var(--space-12); padding: clamp(var(--space-8), 6vw, var(--space-12)); }
.tool-panel[hidden] { display: none; }
.panel-index { display: block; margin-bottom: var(--space-4); color: var(--accent); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em; }
.panel-intro h3 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.25rem); line-height: 1.2; letter-spacing: -0.06em; }
.panel-intro p { margin: var(--space-5) 0 0; color: var(--ink-700); font-size: 0.9375rem; }
.panel-content { min-width: 0; }
.dropzone { display: grid; min-height: 15rem; place-items: center; align-content: center; gap: var(--space-2); padding: var(--space-8); border: 0.125rem dashed var(--border); border-radius: var(--radius-md); background: var(--canvas-warm); text-align: center; transition: border-color 160ms ease-out, background 160ms ease-out; }
.dropzone:hover, .dropzone.is-dragover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone input { position: absolute; width: 0.0625rem; height: 0.0625rem; opacity: 0; }
.dropzone-kicker { color: var(--ink-500); font-size: 0.875rem; }
.dropzone strong { color: var(--accent); font-size: 1.125rem; }
.dropzone-help { color: var(--ink-500); font-size: 0.75rem; }
.file-summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-4); padding: var(--space-4); border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); background: var(--canvas-warm); }
.file-summary > div { min-width: 0; }
.summary-label { display: block; color: var(--ink-500); font-size: 0.6875rem; }
.file-summary strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.875rem; }
.file-summary > span { flex: none; color: var(--ink-500); font-size: 0.75rem; }
.status-message { min-height: 2.875rem; margin-top: var(--space-4); padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); color: var(--ink-700); background: var(--surface-soft); font-size: 0.8125rem; }
.status-message.is-success { color: var(--success); background: var(--accent-soft); }
.status-message.is-warning { color: var(--warning); background: var(--surface-soft); }
.status-message.is-error { color: var(--danger); background: var(--surface-soft); }
.panel-content > .button-wide { margin-top: var(--space-4); }
.document-preview { overflow: hidden; margin-top: var(--space-6); border: 0.0625rem solid var(--border); border-radius: var(--radius-md); background: var(--canvas-warm); }
.preview-heading { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-4) var(--space-5); border-bottom: 0.0625rem solid var(--border); }
.preview-heading > div { min-width: 0; }
.preview-kicker { display: block; color: var(--accent); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.08em; }
.preview-heading strong { display: block; overflow: hidden; margin-top: var(--space-1); text-overflow: ellipsis; white-space: nowrap; font-size: 0.875rem; }
.document-preview iframe { display: block; width: 100%; height: 24rem; border: 0; background: var(--canvas); }
.field-label { display: block; margin-bottom: var(--space-2); color: var(--ink-700); font-size: 0.8125rem; font-weight: 700; }
.text-input { width: 100%; min-height: 13rem; resize: vertical; padding: var(--space-4); border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); color: var(--ink-950); background: var(--canvas); line-height: 1.7; }
.text-input::placeholder { color: var(--ink-500); }
.text-input:focus { border-color: var(--accent); outline: 0.125rem solid var(--accent-soft); outline-offset: 0.125rem; }
.input-meta, .count-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); color: var(--ink-500); font-size: 0.75rem; }
.input-meta { margin-top: var(--space-2); }
.server-ai-consent { display: flex; align-items: flex-start; gap: var(--space-2); margin-top: var(--space-3); color: var(--ink-500); font-size: 0.75rem; line-height: 1.5; }
.server-ai-consent[hidden] { display: none; }
.server-ai-consent input { flex: none; margin: 0.15rem 0 0; accent-color: var(--accent); }
.ai-result { margin-top: var(--space-6); padding-top: var(--space-6); border-top: 0.0625rem solid var(--border); }
.score-wrap { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); align-items: center; gap: var(--space-5); }
.score-ring { display: grid; width: 7rem; height: 7rem; place-items: center; align-content: center; border-radius: 50%; background: conic-gradient(var(--accent) var(--score-angle), var(--surface-soft) 0); box-shadow: inset 0 0 0 0.625rem var(--canvas); }
.score-ring span, .score-ring small { display: block; }
.score-ring span { font-size: 1.75rem; font-weight: 700; line-height: 1; }
.score-ring small { margin-top: var(--space-1); color: var(--ink-500); font-size: 0.6875rem; }
.score-wrap strong { font-size: 1rem; }
.score-wrap p { margin: var(--space-2) 0 0; color: var(--ink-500); font-size: 0.8125rem; }
.score-confidence { display: block; margin-top: var(--space-3); color: var(--ink-500); font-size: 0.75rem; }
.signal-list { display: grid; gap: var(--space-2); margin: var(--space-5) 0 0; padding: 0; list-style: none; }
.signal-list li { display: flex; align-items: flex-start; gap: var(--space-2); color: var(--ink-700); font-size: 0.8125rem; }
.signal-list li::before { content: ""; flex: none; width: 0.5rem; height: 0.5rem; margin-top: 0.45rem; border-radius: 50%; background: var(--accent); }
.metric-rail { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: var(--space-4); border-top: 0.0625rem solid var(--border); border-bottom: 0.0625rem solid var(--border); }
.metric-rail div { padding: var(--space-4); border-right: 0.0625rem solid var(--border); }
.metric-rail div:last-child { border-right: 0; }
.metric-rail span, .metric-rail strong { display: block; }
.metric-rail span { color: var(--ink-500); font-size: 0.6875rem; }
.metric-rail strong { margin-top: var(--space-2); font-size: clamp(1.25rem, 3vw, 2rem); line-height: 1; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.count-footer { margin-top: var(--space-4); }

/* Compression tools (image and ZIP) */
.control-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-5); }
.control-row { min-width: 0; }
.control-row.is-disabled { opacity: 0.45; }
.control-row .field-label { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-2); }
.control-row select { width: 100%; min-height: 2.75rem; padding: 0 var(--space-3); border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); color: var(--ink-950); background: var(--canvas); font-size: 0.875rem; font-weight: 600; }
.control-row select:focus-visible { outline: 0.125rem solid var(--accent); outline-offset: 0.125rem; }
.control-row input[type="range"] { width: 100%; height: 2.75rem; accent-color: var(--accent); cursor: pointer; }
.control-row input[type="range"]:disabled { cursor: not-allowed; }
.panel-content > .metric-rail { margin-top: var(--space-5); }
.panel-content > .button-wide + .button-wide, .panel-content > .metric-rail + .button-wide { margin-top: var(--space-3); }
.image-preview-wrap { margin-top: var(--space-5); }
.image-preview-wrap img { display: block; width: 100%; max-height: 22rem; object-fit: contain; border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); background: var(--surface-soft); }
.archive-list { margin: var(--space-5) 0 0; padding: 0; border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); list-style: none; }
.archive-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: var(--space-3); align-items: center; padding: var(--space-3) var(--space-4); border-bottom: 0.0625rem solid var(--border); font-size: 0.8125rem; }
.archive-list li:last-child { border-bottom: 0; }
.archive-name { overflow: hidden; color: var(--ink-950); font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.archive-size { color: var(--ink-500); font-variant-numeric: tabular-nums; }
.archive-remove { display: grid; width: 1.5rem; height: 1.5rem; place-items: center; padding: 0; border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); color: var(--ink-500); background: var(--canvas); font-size: 0.875rem; line-height: 1; }
.archive-remove:hover { border-color: var(--danger); color: var(--danger); }
.ad-slot { display: flex; min-height: 5.5rem; align-items: center; justify-content: center; gap: var(--space-3); margin-top: var(--space-12); border-top: 0.0625rem solid var(--border); border-bottom: 0.0625rem solid var(--border); color: var(--ink-500); }
.ad-slot span { padding: var(--space-1) var(--space-2); border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); font-size: 0.6875rem; font-weight: 700; }
.ad-slot p { margin: 0; font-size: 0.75rem; }

.guide-section { background: var(--canvas); }
.guide-grid, .faq-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(var(--space-10), 8vw, var(--space-24)); }
.steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 3.25rem 1fr; gap: var(--space-5); padding-block: var(--space-6); border-top: 0.0625rem solid var(--border); }
.steps li:last-child { border-bottom: 0.0625rem solid var(--border); }
.steps li > span, .feature-list article > span { color: var(--accent); font-size: 0.75rem; font-weight: 700; }
.steps h3, .feature-list h3 { margin: 0; font-size: 1.125rem; letter-spacing: -0.03em; }
.steps p, .feature-list p { margin: var(--space-2) 0 0; color: var(--ink-500); font-size: 0.875rem; }
.feature-section { background: var(--canvas-warm); }
.feature-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(var(--space-10), 10vw, var(--space-24)); }
.feature-list { display: grid; gap: var(--space-8); }
.feature-list article { display: grid; grid-template-columns: 3.25rem 1fr; gap: var(--space-5); padding-top: var(--space-5); border-top: 0.0625rem solid var(--border); }
.faq-section { background: var(--canvas); }
.faq-list { border-top: 0.0625rem solid var(--border); }
.faq-list details { border-bottom: 0.0625rem solid var(--border); }
.faq-list summary { position: relative; padding: var(--space-5) var(--space-8) var(--space-5) 0; color: var(--ink-950); cursor: pointer; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: var(--space-5); right: 0; color: var(--accent); font-size: 1.25rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 48rem; margin: calc(var(--space-2) * -1) 0 var(--space-5); color: var(--ink-700); font-size: 0.875rem; }
.cta-section { background: var(--ink-950); }
.cta-inner { text-align: center; }
.cta-inner .eyebrow { justify-content: center; color: var(--accent-soft); }
.cta-inner .eyebrow-line { background: var(--accent-soft); }
.cta-inner h2 { color: var(--canvas); }
.cta-inner .button { margin-top: var(--space-8); }
.site-footer { padding-block: var(--space-12); border-top: 0.0625rem solid var(--border); background: var(--canvas); }
.legal-copy { max-width: 48rem; }
.legal-copy h1 { margin: 0; color: var(--ink-950); font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.05; letter-spacing: -0.07em; }
.legal-copy h2 { margin: var(--space-10) 0 0; color: var(--ink-950); font-size: 1.25rem; }
.legal-copy p { color: var(--ink-700); line-height: 1.8; }
.legal-copy .legal-updated { margin-top: var(--space-3); color: var(--ink-500); font-size: 0.8125rem; }
.legal-copy .button { margin-top: var(--space-6); }
.legal-copy ul, .legal-copy ol { padding-left: var(--space-6); }
.legal-copy li { margin-bottom: var(--space-2); color: var(--ink-700); line-height: 1.75; }
.legal-copy h3 { margin: var(--space-6) 0 var(--space-2); color: var(--ink-950); font-size: 1rem; }
.legal-copy .status-message { margin: var(--space-4) 0; }
.legal-copy .status-message p:first-child { margin-top: 0; }
.legal-copy .status-message p:last-child { margin-bottom: 0; }
code, kbd { padding: 0.0625rem 0.25rem; border: 0.0625rem solid var(--border); border-radius: var(--radius-sm); background: var(--surface-soft); font-family: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace; font-size: 0.875em; overflow-wrap: anywhere; }
kbd { font-weight: 600; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); }
.footer-grid p { margin: var(--space-3) 0 0; color: var(--ink-500); font-size: 0.75rem; }
.footer-note { justify-self: end; max-width: 27rem; }
.footer-note > span { color: var(--ink-700); font-size: 0.8125rem; font-weight: 700; }
.copyright { grid-column: 1 / -1; padding-top: var(--space-4); border-top: 0.0625rem solid var(--border); }
.noscript-message { padding: var(--space-4); color: var(--canvas); background: var(--danger); text-align: center; }
.consent-banner { position: fixed; right: 1rem; bottom: 1rem; left: 1rem; z-index: 20; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-5); padding: var(--space-5); border: 0.0625rem solid var(--border); border-radius: var(--radius-md); background: var(--canvas); box-shadow: var(--shadow-tool); }
.consent-banner[hidden] { display: none; }
.consent-banner strong { color: var(--ink-950); font-size: 0.875rem; }
.consent-banner p { max-width: 42rem; margin: var(--space-2) 0 0; color: var(--ink-700); font-size: 0.75rem; line-height: 1.6; }
.consent-banner a { color: var(--ink-950); font-weight: 700; text-decoration: underline; text-underline-offset: 0.2rem; }
.consent-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--space-2); }
.reveal { animation: rise-in 420ms ease-out both; }
.reveal-delay { animation-delay: 100ms; }
@keyframes rise-in { from { opacity: 0; transform: translateY(0.75rem); } to { opacity: 1; transform: translateY(0); } }
@keyframes blink { 50% { opacity: 0; } }

.resources-section { background: var(--canvas-warm); }
.resource-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); margin-top: var(--space-8); }
.resource-card { display: flex; flex-direction: column; min-height: 100%; padding: var(--space-6); border: 0.0625rem solid var(--border); border-radius: var(--radius-md); background: var(--canvas); }
.resource-kicker { color: var(--accent-dark); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; }
.resource-card h3 { margin: var(--space-3) 0; font-size: 1.25rem; line-height: 1.35; }
.resource-card h3 a { color: var(--ink-950); text-decoration: none; }
.resource-card h3 a:hover { color: var(--accent-dark); }
.resource-card p { margin: 0 0 var(--space-6); color: var(--ink-700); line-height: 1.65; }
.resource-card .text-link { margin-top: auto; }

.guide-page { background: var(--canvas); }
.guide-page main { padding-bottom: var(--space-12); }
.guide-hero { padding: clamp(3rem, 8vw, 7rem) 0 var(--space-8); border-bottom: 0.0625rem solid var(--border); background: var(--canvas-warm); }
.guide-hero h1 { max-width: 17ch; margin: var(--space-4) 0; font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.05; letter-spacing: -0.04em; }
.guide-hero p { max-width: 42rem; color: var(--ink-700); font-size: 1.125rem; line-height: 1.65; }
.guide-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(15rem, 1fr); gap: var(--space-12); padding-top: var(--space-12); }
.guide-article { max-width: 45rem; }
.guide-article h2 { margin: var(--space-8) 0 var(--space-3); color: var(--ink-950); font-size: 1.75rem; line-height: 1.2; }
.guide-article h2:first-child { margin-top: 0; }
.guide-article h3 { margin: var(--space-6) 0 var(--space-2); font-size: 1.125rem; }
.guide-article p, .guide-article li { color: var(--ink-700); line-height: 1.75; }
.guide-article ul, .guide-article ol { padding-left: var(--space-6); }
.guide-note { align-self: start; padding: var(--space-6); border: 0.0625rem solid var(--border); border-radius: var(--radius-md); background: var(--surface-soft); }
.guide-note h2 { margin: 0 0 var(--space-3); font-size: 1rem; }
.guide-note p, .guide-note li { color: var(--ink-700); font-size: 0.875rem; line-height: 1.6; }
.guide-note ul { margin: 0; padding-left: var(--space-5); }
.guide-page .primary-nav { position: static; display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); }
.guide-page .primary-nav a { white-space: nowrap; }
.guide-cta { margin-top: var(--space-8); }

/* Five tool tabs stop fitting side by side before the rest of the layout
   needs to change, so the tab bar stacks at its own breakpoint. */
@media (max-width: 64rem) {
  .tool-tabbar { grid-template-columns: 1fr; }
  .tool-tab { grid-template-columns: auto 1fr auto; grid-template-rows: 1fr; align-items: center; border-right: 0; border-bottom: 0.0625rem solid var(--border); }
  .tool-tab:last-child { border-bottom: 0; }
  .tool-tab small { margin-top: 0; }
}

@media (max-width: 56rem) {
  .hero-grid, .tool-panel, .guide-grid, .feature-grid, .faq-grid { grid-template-columns: 1fr; }
  .resource-grid, .guide-layout { grid-template-columns: 1fr; }
  .hero-grid { gap: var(--space-12); }
  .hero-copy { max-width: 40rem; }
  .panel-intro { max-width: 32rem; }
  .tool-panel { gap: var(--space-8); }
}

/* The inline header (wordmark + nav + language select) stops fitting before the
   rest of the layout needs to change, so the menu collapses at its own
   breakpoint. `top: 100%` keeps the dropdown anchored to whatever height the
   header currently has. */
@media (max-width: 54rem) {
  .header-inner { gap: var(--space-3); }
  .menu-toggle { display: inline-flex; }
  .language-control { margin-left: auto; }
  .language-control > span { display: none; }
  .language-control select { width: 7.5rem; max-width: 7.5rem; padding-inline: var(--space-2); }
  .primary-nav { position: absolute; top: 100%; right: 1rem; left: 1rem; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-2); border: 0.0625rem solid var(--border); border-radius: var(--radius-md); background: var(--canvas); box-shadow: var(--shadow-tool); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: var(--space-3) var(--space-4); }
  .nav-cta { margin-top: var(--space-2); text-align: center; }
  /* Guide and content pages have no menu button, so their nav stays inline and
     wraps onto its own row instead of becoming a dropdown. */
  .guide-page .header-inner { align-items: flex-start; flex-wrap: wrap; padding-block: var(--space-3); }
  .guide-page .primary-nav { position: static; display: flex; width: 100%; flex-direction: row; align-items: center; gap: var(--space-2) var(--space-4); padding: 0; border: 0; border-radius: 0; box-shadow: none; }
  .guide-page .primary-nav a { padding: var(--space-2) 0; }
  .guide-page .nav-cta { margin-top: 0; }
}

/* Narrow phones: the wordmark, menu button, and language select stop fitting on
   one row, so the select drops to its shortest usable width. */
@media (max-width: 22rem) {
  .language-control select { width: 5.5rem; max-width: 5.5rem; }
  .header-inner { gap: var(--space-2); }
}

@media (max-width: 43rem) {
  .container { width: min(calc(100% - 2rem), var(--container)); }
  .section-pad { padding-block: var(--space-16); }
  .header-inner { min-height: 4.25rem; }
  .hero { padding-top: var(--space-12); }
  .hero h1 { max-width: 12ch; }
  .hero-notes { margin-top: var(--space-8); }
  .demo-body { grid-template-columns: 3.5rem minmax(0, 1fr); }
  .demo-side { display: none; }
  .demo-editor { padding: var(--space-4); }
  .demo-paper { min-height: 15rem; padding: var(--space-5); }
  .demo-footer { align-items: flex-start; flex-direction: column; gap: var(--space-1); }
  .tool-panel { padding: var(--space-6); }
  .document-preview iframe { height: 20rem; }
  .metric-rail { grid-template-columns: repeat(2, 1fr); }
  .metric-rail div:nth-child(2) { border-right: 0; }
  .metric-rail div:nth-child(-n + 2) { border-bottom: 0.0625rem solid var(--border); }
  .control-grid { grid-template-columns: 1fr; }
  .score-wrap { grid-template-columns: 6.5rem minmax(0, 1fr); }
  .score-ring { width: 6rem; height: 6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-note { justify-self: start; }
  .copyright { grid-column: auto; }
  .consent-banner { grid-template-columns: 1fr; }
  .consent-actions { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}