/*
* ═══════════════════════════════════════════════════════════════════════════
* STYLE.CSS — OpenChronology.org shared design system
* Source of truth for all openchronology.org pages.
*
* Required in every (before this stylesheet):
*
*
*
*
* Table of contents
* ─────────────────────────────────────────────────────────────────────────
* 1. Reset
* 2. Design tokens
* 3. Base / typography
* 4. Layout helpers
* 5. Navigation
* 6. Page headers (hero + inner-page variants)
* 7. Prose & content typography (spec pages)
* 8. Tables
* 9. Code blocks
* 10. Callouts (note, warning, info)
* 11. Buttons & interactive links
* 12. Cards (tool, next-step, use-case)
* 13. Steps (numbered instruction sequences)
* 14. Context block (copyable AI primer)
* 15. Tips list
* 16. Path selector (two-up choice cards)
* 17. Footer
* 18. Utility classes
* 19. Animations
* 20. Responsive / mobile
* ═══════════════════════════════════════════════════════════════════════════
*/
/* ─────────────────────────────────────────────────────────────────────────
1. RESET
───────────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; }
a { color: inherit; }
/* ─────────────────────────────────────────────────────────────────────────
2. DESIGN TOKENS
───────────────────────────────────────────────────────────────────────── */
:root {
/* Navy — primary brand, navigation, headers */
--navy: #1a3a5c;
--navy-mid: #2a5080;
--navy-light: #3a6a9c;
--navy-pale: #e0ecf8;
--navy-ghost: #f0f6fc;
/* Blue — interactive accents, links, highlights */
--blue: #2e6fac;
--blue-hi: #3a84c8;
--blue-dim: #1e5090;
--blue-pale: #e8f2fb;
--blue-ghost: #f3f8fd;
/* Ink — text scale */
--ink: #1a1f2a;
--ink-mid: #3a4252;
--ink-soft: #5a6478;
--ink-muted: #8a96a8;
--ink-faint: #b8c0cc;
/* Surface scale */
--surface: #ffffff;
--surface-warm: #fafbfc;
--surface-tinted: #f4f7fc;
--surface-deep: #edf2f8;
/* Borders */
--border: #dde3ee;
--border-mid: #cad2e0;
--border-strong: #bec8da;
/* Status colors */
--green: #1e7a4a;
--green-pale: #e4f5ee;
--amber: #a06010;
--amber-pale: #fef3e2;
--red: #b03020;
--red-pale: #fdecea;
/* Typography */
--font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
--font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
--font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
/* Layout */
--wrap: 860px;
--wrap-wide: 1100px;
--wrap-narrow: 640px;
/* Spacing scale */
--space-xs: 4px;
--space-sm: 8px;
--space-md: 16px;
--space-lg: 32px;
--space-xl: 64px;
--space-2xl: 96px;
/* Radii */
--radius-sm: 4px;
--radius-md: 8px;
--radius-lg: 12px;
/* Shadows */
--shadow-sm: 0 1px 4px rgba(26,58,92,0.08);
--shadow-md: 0 4px 16px rgba(26,58,92,0.10);
--shadow-lg: 0 8px 32px rgba(26,58,92,0.12);
/* Transitions */
--transition: 0.15s ease;
}
/* ─────────────────────────────────────────────────────────────────────────
3. BASE / TYPOGRAPHY
───────────────────────────────────────────────────────────────────────── */
html {
font-size: 16px;
scroll-behavior: smooth;
scroll-padding-top: 72px; /* account for sticky nav */
}
body {
font-family: var(--font-body);
background: var(--surface);
color: var(--ink);
line-height: 1.65;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Headings — serif for editorial weight */
h1, h2, h3, h4, h5, h6 {
font-family: var(--font-serif);
font-weight: 400;
line-height: 1.25;
letter-spacing: -0.01em;
color: var(--navy);
}
h1 { font-size: clamp(28px, 4.5vw, 44px); margin-bottom: 20px; }
h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 16px; margin-top: 48px; }
h3 { font-size: clamp(18px, 2.5vw, 22px); margin-bottom: 12px; margin-top: 36px; }
h4 { font-size: 17px; font-family: var(--font-body); font-weight: 600; margin-bottom: 8px; margin-top: 24px; }
p { margin-bottom: 16px; color: var(--ink-mid); font-size: 16px; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--ink); }
em { font-style: italic; }
a {
color: var(--blue);
text-decoration: underline;
text-underline-offset: 2px;
transition: color var(--transition);
}
a:hover { color: var(--navy); }
code {
font-family: var(--font-mono);
font-size: 0.85em;
background: var(--surface-tinted);
border: 1px solid var(--border);
padding: 1px 5px;
border-radius: var(--radius-sm);
color: var(--navy-mid);
}
pre code {
background: none;
border: none;
padding: 0;
font-size: inherit;
color: inherit;
}
hr {
border: none;
border-top: 1px solid var(--border);
margin: 0;
}
blockquote {
border-left: 3px solid var(--blue);
padding: 12px 20px;
margin: 24px 0;
background: var(--blue-ghost);
border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
blockquote p { color: var(--ink-mid); font-size: 15px; }
/* ─────────────────────────────────────────────────────────────────────────
4. LAYOUT HELPERS
───────────────────────────────────────────────────────────────────────── */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--space-lg); }
.wrap-wide { max-width: var(--wrap-wide); margin: 0 auto; padding: 0 var(--space-lg); }
.wrap-narrow{ max-width: var(--wrap-narrow); margin: 0 auto; padding: 0 var(--space-lg); }
/* Page body — standard inner-page content wrapper */
.page-body {
max-width: var(--wrap);
margin: 0 auto;
padding: var(--space-xl) var(--space-lg) var(--space-2xl);
}
/* Standard section spacing */
.section { margin-bottom: 72px; }
.section:last-child { margin-bottom: 0; }
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }
/* Section labels (eyebrow text above headings) */
.section-label {
font-family: var(--font-mono);
font-size: 10.5px;
letter-spacing: 0.16em;
text-transform: uppercase;
color: var(--blue);
margin-bottom: 10px;
display: block;
}
.section-title {
font-family: var(--font-serif);
font-size: clamp(20px, 2.8vw, 28px);
font-weight: 400;
color: var(--navy);
margin-bottom: 16px;
line-height: 1.3;
margin-top: 0;
}
.section-body {
font-size: 16px;
color: var(--ink-mid);
line-height: 1.75;
}
.section-body p + p { margin-top: 14px; }
.section-body a { color: var(--blue); }
.section-body a:hover { color: var(--navy); }
/* ─────────────────────────────────────────────────────────────────────────
5. NAVIGATION
───────────────────────────────────────────────────────────────────────── */
.site-nav {
position: sticky;
top: 0;
z-index: 100;
background: var(--navy);
border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
max-width: var(--wrap-wide);
margin: 0 auto;
padding: 0 var(--space-lg);
display: flex;
align-items: center;
height: 54px;
gap: 0;
}
.nav-brand {
font-family: var(--font-serif);
font-size: 15px;
font-weight: 400;
color: #ffffff;
text-decoration: none;
letter-spacing: 0.01em;
margin-right: auto;
display: flex;
align-items: center;
gap: 9px;
white-space: nowrap;
flex-shrink: 0;
}
.nav-brand-dot {
width: 7px;
height: 7px;
border-radius: 50%;
background: #5aabef;
flex-shrink: 0;
}
.nav-links {
display: flex;
align-items: center;
gap: 2px;
}
.nav-links li { display: block; }
.nav-links a {
font-family: var(--font-body);
font-size: 13px;
font-weight: 500;
color: rgba(255,255,255,0.72);
text-decoration: none;
padding: 6px 14px;
border-radius: 5px;
transition: color var(--transition), background var(--transition);
letter-spacing: 0.01em;
display: block;
white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.10); }
.nav-links a.active { color: #fff; }
/* Studio CTA in nav */
.nav-studio-link {
margin-left: 10px;
background: var(--blue) !important;
color: #fff !important;
border-radius: 5px;
}
.nav-studio-link:hover { background: var(--navy-mid) !important; }
/* Mobile nav toggle (hidden on desktop) */
.nav-toggle {
display: none;
background: none;
border: none;
color: rgba(255,255,255,0.8);
padding: 6px;
margin-left: var(--space-sm);
}
/* ─────────────────────────────────────────────────────────────────────────
6. PAGE HEADERS
───────────────────────────────────────────────────────────────────────── */
/* Standard inner-page header */
.page-header {
background: var(--navy);
padding: 64px var(--space-lg) 56px;
color: #fff;
}
.page-header-inner {
max-width: var(--wrap);
margin: 0 auto;
}
.page-eyebrow {
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.18em;
text-transform: uppercase;
color: #5aabef;
margin-bottom: 16px;
display: block;
}
.page-title {
font-family: var(--font-serif);
font-size: clamp(28px, 4.5vw, 44px);
font-weight: 300;
line-height: 1.2;
letter-spacing: -0.01em;
color: #fff;
margin: 0 0 20px;
}
.page-title em {
font-style: italic;
color: #7fc4f8;
}
.page-lead {
font-family: var(--font-body);
font-size: 17px;
color: rgba(255,255,255,0.72);
max-width: 640px;
line-height: 1.72;
margin: 0;
}
/* Hero variant — for landing page (index.html) */
.page-header--hero {
padding: 80px var(--space-lg) 72px;
text-align: center;
}
.page-header--hero .page-header-inner {
max-width: var(--wrap-wide);
display: flex;
flex-direction: column;
align-items: center;
}
.page-header--hero .page-title {
font-size: clamp(36px, 6vw, 64px);
max-width: 800px;
}
.page-header--hero .page-lead {
max-width: 560px;
text-align: center;
}
.hero-actions {
display: flex;
gap: 14px;
justify-content: center;
margin-top: 36px;
flex-wrap: wrap;
}
/* Spec page header — includes version badge */
.page-header--spec .spec-meta {
display: flex;
align-items: center;
gap: 12px;
margin-top: 16px;
flex-wrap: wrap;
}
.spec-badge {
display: inline-flex;
align-items: center;
gap: 6px;
font-family: var(--font-mono);
font-size: 11px;
font-weight: 500;
padding: 4px 10px;
border-radius: 20px;
letter-spacing: 0.04em;
}
.spec-badge--version { background: rgba(90,171,239,0.2); color: #7fc4f8; }
.spec-badge--draft { background: rgba(255,200,80,0.2); color: #ffcc50; }
.spec-badge--stable { background: rgba(60,200,120,0.2); color: #60d090; }
/* ─────────────────────────────────────────────────────────────────────────
7. PROSE & CONTENT TYPOGRAPHY (spec pages)
───────────────────────────────────────────────────────────────────────── */
.prose { max-width: var(--wrap); }
.prose h1 { border-bottom: 2px solid var(--navy-pale); padding-bottom: 12px; margin-top: 56px; }
.prose h1:first-child { margin-top: 0; }
.prose h2 { border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.prose p { line-height: 1.78; color: var(--ink-mid); }
.prose li { color: var(--ink-mid); font-size: 16px; line-height: 1.7; margin-bottom: 6px; }
.prose ul { padding-left: 24px; list-style: disc; margin-bottom: 16px; }
.prose ol { padding-left: 24px; list-style: decimal; margin-bottom: 16px; }
/* Inline spec term */
.term {
font-weight: 600;
color: var(--navy);
}
/* Required/optional badges used in spec field tables */
.badge {
display: inline-block;
font-family: var(--font-mono);
font-size: 10px;
font-weight: 500;
letter-spacing: 0.05em;
text-transform: uppercase;
padding: 2px 7px;
border-radius: 10px;
white-space: nowrap;
}
.badge--required { background: var(--red-pale); color: var(--red); }
.badge--optional { background: var(--blue-pale); color: var(--blue-dim); }
.badge--new { background: var(--green-pale); color: var(--green); }
/* ─────────────────────────────────────────────────────────────────────────
8. TABLES
───────────────────────────────────────────────────────────────────────── */
.table-wrap {
overflow-x: auto;
margin: 24px 0;
border-radius: var(--radius-lg);
border: 1px solid var(--border);
box-shadow: var(--shadow-sm);
}
table {
width: 100%;
border-collapse: collapse;
font-size: 14.5px;
}
thead { background: var(--navy); }
thead th {
padding: 11px 16px;
text-align: left;
font-family: var(--font-body);
font-size: 12px;
font-weight: 600;
letter-spacing: 0.05em;
text-transform: uppercase;
color: rgba(255,255,255,0.85);
white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--surface-warm); }
tbody tr:hover { background: var(--blue-ghost); }
tbody td {
padding: 10px 16px;
color: var(--ink-mid);
vertical-align: top;
line-height: 1.6;
}
tbody td:first-child {
font-family: var(--font-mono);
font-size: 13px;
color: var(--navy-mid);
font-weight: 500;
white-space: nowrap;
}
/* ─────────────────────────────────────────────────────────────────────────
9. CODE BLOCKS
───────────────────────────────────────────────────────────────────────── */
pre {
background: #0f1923;
border-radius: var(--radius-lg);
padding: 22px 24px;
overflow-x: auto;
margin: 20px 0;
border: 1px solid rgba(255,255,255,0.06);
box-shadow: var(--shadow-sm);
}
pre code {
font-family: var(--font-mono);
font-size: 13px;
line-height: 1.75;
color: #ccd6e8;
}
/* Inline code in prose */
.prose code {
font-size: 13.5px;
background: var(--surface-tinted);
border: 1px solid var(--border);
color: var(--navy-mid);
padding: 1px 6px;
border-radius: var(--radius-sm);
}
/* ─────────────────────────────────────────────────────────────────────────
10. CALLOUTS (note, warning, info)
───────────────────────────────────────────────────────────────────────── */
.callout {
display: grid;
grid-template-columns: 20px 1fr;
gap: 12px;
padding: 16px 20px;
border-radius: var(--radius-md);
border-left: 3px solid;
margin: 20px 0;
align-items: start;
}
.callout-icon {
font-size: 14px;
line-height: 1.6;
flex-shrink: 0;
}
.callout-body {
font-size: 14.5px;
line-height: 1.7;
}
.callout-body p { font-size: inherit; margin-bottom: 0; }
.callout-body strong { font-size: 13px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.callout--note {
background: var(--blue-ghost);
border-color: var(--blue);
}
.callout--note .callout-body { color: var(--ink-mid); }
.callout--note strong { color: var(--blue-dim); }
.callout--warning {
background: var(--amber-pale);
border-color: var(--amber);
}
.callout--warning .callout-body { color: #4a3010; }
.callout--warning strong { color: var(--amber); }
.callout--info {
background: var(--navy-ghost);
border-color: var(--navy-light);
}
.callout--info .callout-body { color: var(--ink-mid); }
.callout--info strong { color: var(--navy); }
/* ─────────────────────────────────────────────────────────────────────────
11. BUTTONS & INTERACTIVE LINKS
───────────────────────────────────────────────────────────────────────── */
.btn {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 10px 22px;
border-radius: var(--radius-md);
font-family: var(--font-body);
font-size: 14px;
font-weight: 600;
text-decoration: none;
border: 2px solid transparent;
transition: background var(--transition), color var(--transition),
border-color var(--transition), box-shadow var(--transition),
transform 0.1s ease;
cursor: pointer;
letter-spacing: 0.01em;
line-height: 1;
white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
/* Primary — filled navy */
.btn--primary {
background: var(--navy);
color: #fff;
border-color: var(--navy);
}
.btn--primary:hover {
background: var(--navy-mid);
border-color: var(--navy-mid);
color: #fff;
box-shadow: var(--shadow-md);
}
/* Secondary — outlined */
.btn--secondary {
background: transparent;
color: #fff;
border-color: rgba(255,255,255,0.5);
}
.btn--secondary:hover {
background: rgba(255,255,255,0.1);
border-color: rgba(255,255,255,0.8);
color: #fff;
}
/* Blue variant */
.btn--blue {
background: var(--blue);
color: #fff;
border-color: var(--blue);
}
.btn--blue:hover {
background: var(--blue-hi);
border-color: var(--blue-hi);
color: #fff;
box-shadow: var(--shadow-md);
}
/* Ghost — on light background */
.btn--ghost {
background: transparent;
color: var(--navy);
border-color: var(--border-strong);
}
.btn--ghost:hover {
background: var(--surface-tinted);
border-color: var(--navy);
color: var(--navy);
}
/* Small variant */
.btn--sm { padding: 7px 16px; font-size: 13px; }
/* Copy button — special state */
.copy-btn {
display: inline-flex;
align-items: center;
gap: 7px;
padding: 8px 18px;
background: var(--navy);
color: #fff;
border: none;
border-radius: var(--radius-md);
font-family: var(--font-body);
font-size: 13px;
font-weight: 600;
cursor: pointer;
transition: background var(--transition), transform 0.1s;
letter-spacing: 0.01em;
flex-shrink: 0;
line-height: 1;
}
.copy-btn:hover { background: var(--navy-mid); }
.copy-btn:active { transform: scale(0.97); }
.copy-btn.copied { background: var(--green); }
/* ─────────────────────────────────────────────────────────────────────────
12. CARDS
───────────────────────────────────────────────────────────────────────── */
/* Next-step cards (3-up grid) */
.next-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 16px;
margin-top: 28px;
}
.next-card {
background: var(--blue-ghost);
border: 1px solid var(--blue-pale);
border-radius: var(--radius-lg);
padding: 22px 20px;
text-decoration: none;
display: block;
transition: border-color var(--transition), box-shadow var(--transition);
}
.next-card:hover {
border-color: var(--blue);
box-shadow: var(--shadow-md);
}
.next-card-num {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--blue);
margin-bottom: 8px;
}
.next-card-title {
font-size: 15px;
font-weight: 600;
color: var(--navy);
margin-bottom: 6px;
line-height: 1.3;
}
.next-card-desc {
font-size: 13.5px;
color: var(--ink-soft);
line-height: 1.6;
}
/* Use-case cards (2-up grid) */
.use-cases {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin-top: 28px;
}
.use-case {
background: var(--surface-warm);
border: 1px solid var(--border);
border-radius: var(--radius-lg);
overflow: hidden;
}
.use-case-head {
padding: 16px 20px 12px;
border-bottom: 1px solid var(--border);
display: flex;
align-items: center;
gap: 10px;
}
.use-case-icon {
width: 30px;
height: 30px;
background: var(--blue-pale);
border-radius: 7px;
display: flex;
align-items: center;
justify-content: center;
font-size: 15px;
flex-shrink: 0;
}
.use-case-name {
font-size: 14px;
font-weight: 600;
color: var(--navy);
}
.use-case-body { padding: 16px 20px; }
.prompt-box {
background: #fff;
border: 1px solid var(--border);
border-radius: var(--radius-md);
padding: 13px 16px 13px 28px;
font-family: var(--font-serif);
font-size: 14px;
font-style: italic;
color: var(--ink-mid);
line-height: 1.6;
position: relative;
margin-bottom: 10px;
}
.prompt-box::before {
content: '"';
font-family: var(--font-serif);
font-size: 36px;
color: var(--blue-pale);
line-height: 1;
position: absolute;
top: 6px;
left: 10px;
}
.use-case-note {
font-size: 12.5px;
color: var(--ink-muted);
line-height: 1.6;
}
.use-case-note strong { color: var(--ink-soft); font-weight: 600; }
/* ─────────────────────────────────────────────────────────────────────────
13. STEPS (numbered instruction sequences)
───────────────────────────────────────────────────────────────────────── */
.steps {
display: flex;
flex-direction: column;
gap: 0;
margin-top: 28px;
}
.step {
display: grid;
grid-template-columns: 40px 1fr;
gap: 0 20px;
padding-bottom: 32px;
position: relative;
}
.step:last-child { padding-bottom: 0; }
.step-num {
width: 36px;
height: 36px;
background: var(--navy);
color: #fff;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-family: var(--font-mono);
font-size: 13px;
font-weight: 500;
flex-shrink: 0;
position: relative;
z-index: 1;
}
.step:not(:last-child) .step-num::after {
content: '';
position: absolute;
top: 36px;
left: 50%;
transform: translateX(-50%);
width: 1px;
height: calc(100% + 14px);
background: var(--border-strong);
}
.step-body { padding-top: 6px; }
.step-title {
font-size: 15px;
font-weight: 600;
color: var(--navy);
margin-bottom: 6px;
}
.step-desc {
font-size: 14.5px;
color: var(--ink-mid);
line-height: 1.7;
}
/* ─────────────────────────────────────────────────────────────────────────
14. CONTEXT BLOCK (copyable AI primer)
───────────────────────────────────────────────────────────────────────── */
.context-block-wrap {
background: var(--surface-tinted);
border: 1px solid var(--border);
border-top: 3px solid var(--blue);
border-radius: var(--radius-lg);
overflow: hidden;
margin-top: 28px;
}
.context-block-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 14px 20px;
background: var(--surface-tinted);
border-bottom: 1px solid var(--border);
gap: 12px;
flex-wrap: wrap;
}
.context-block-title {
font-family: var(--font-mono);
font-size: 12px;
font-weight: 500;
color: var(--ink-soft);
letter-spacing: 0.06em;
text-transform: uppercase;
}
.context-block-meta {
font-family: var(--font-mono);
font-size: 11px;
color: var(--ink-muted);
letter-spacing: 0.04em;
}
.context-block-text {
display: block;
width: 100%;
padding: 24px;
background: #fff;
font-family: var(--font-mono);
font-size: 12.5px;
line-height: 1.72;
color: var(--ink-mid);
border: none;
outline: none;
resize: vertical;
min-height: 520px;
white-space: pre;
overflow: auto;
tab-size: 2;
}
.context-block-footer {
padding: 12px 20px;
background: var(--surface-tinted);
border-top: 1px solid var(--border);
display: flex;
align-items: center;
gap: 8px;
}
.context-block-footer-note {
font-size: 12px;
color: var(--ink-muted);
line-height: 1.5;
}
.context-block-footer-note strong { color: var(--ink-soft); font-weight: 600; }
/* ─────────────────────────────────────────────────────────────────────────
15. TIPS LIST
───────────────────────────────────────────────────────────────────────── */
.tips-list {
margin-top: 20px;
display: flex;
flex-direction: column;
gap: 14px;
}
.tip {
display: grid;
grid-template-columns: 22px 1fr;
gap: 12px;
align-items: start;
}
.tip-bullet {
width: 20px;
height: 20px;
background: var(--green-pale);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
margin-top: 2px;
flex-shrink: 0;
}
.tip-text {
font-size: 15px;
color: var(--ink-mid);
line-height: 1.72;
}
.tip-text strong { color: var(--ink); font-weight: 600; }
/* ─────────────────────────────────────────────────────────────────────────
16. PATH SELECTOR (two-up choice cards)
───────────────────────────────────────────────────────────────────────── */
.path-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin-top: 32px;
}
.path-card {
background: var(--surface-warm);
border: 2px solid var(--border);
border-radius: var(--radius-lg);
padding: 28px 24px;
text-decoration: none;
display: flex;
flex-direction: column;
gap: 12px;
transition: border-color var(--transition), box-shadow var(--transition),
background var(--transition);
cursor: default;
}
.path-card:hover {
border-color: var(--blue);
box-shadow: var(--shadow-md);
background: var(--blue-ghost);
}
.path-card-icon {
font-size: 28px;
line-height: 1;
}
.path-card-title {
font-family: var(--font-serif);
font-size: 20px;
font-weight: 400;
color: var(--navy);
line-height: 1.25;
margin: 0;
}
.path-card-desc {
font-size: 14.5px;
color: var(--ink-soft);
line-height: 1.7;
flex: 1;
}
.path-card-anchor {
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.12em;
text-transform: uppercase;
color: var(--blue);
margin-top: 4px;
}
/* ─────────────────────────────────────────────────────────────────────────
17. FOOTER
───────────────────────────────────────────────────────────────────────── */
.site-footer {
background: var(--navy);
color: rgba(255,255,255,0.55);
padding: 48px var(--space-lg);
}
.footer-inner {
max-width: var(--wrap-wide);
margin: 0 auto;
display: grid;
grid-template-columns: 1fr auto;
align-items: start;
gap: 32px;
}
.footer-brand {
font-family: var(--font-serif);
font-size: 15px;
color: rgba(255,255,255,0.85);
text-decoration: none;
display: flex;
align-items: center;
gap: 8px;
}
.footer-brand-dot {
width: 6px; height: 6px;
border-radius: 50%;
background: #5aabef;
}
.footer-tagline {
font-size: 13px;
color: rgba(255,255,255,0.4);
margin-top: 6px;
line-height: 1.5;
}
.footer-links {
display: flex;
flex-wrap: wrap;
gap: 8px 24px;
align-items: center;
justify-content: flex-end;
}
.footer-links a {
font-size: 13px;
color: rgba(255,255,255,0.55);
text-decoration: none;
transition: color var(--transition);
}
.footer-links a:hover { color: rgba(255,255,255,0.9); }
.footer-copy {
grid-column: 1 / -1;
font-size: 12px;
color: rgba(255,255,255,0.28);
padding-top: 24px;
border-top: 1px solid rgba(255,255,255,0.08);
}
/* ─────────────────────────────────────────────────────────────────────────
18. UTILITY CLASSES
───────────────────────────────────────────────────────────────────────── */
.text-muted { color: var(--ink-muted); }
.text-soft { color: var(--ink-soft); }
.text-navy { color: var(--navy); }
.text-blue { color: var(--blue); }
.text-small { font-size: 13px; }
.text-mono { font-family: var(--font-mono); font-size: 0.85em; }
.text-serif { font-family: var(--font-serif); }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold{ font-weight: 600; }
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.visually-hidden {
position: absolute;
width: 1px; height: 1px;
padding: 0; margin: -1px;
overflow: hidden;
clip: rect(0,0,0,0);
white-space: nowrap;
border: 0;
}
/* ─────────────────────────────────────────────────────────────────────────
19. ANIMATIONS
───────────────────────────────────────────────────────────────────────── */
@keyframes fadeUp {
from { opacity: 0; transform: translateY(14px); }
to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}
.animate-fade-up { animation: fadeUp 0.6s ease both; }
.animate-fade-in { animation: fadeIn 0.4s ease both; }
/* Stagger helpers */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
/* ─────────────────────────────────────────────────────────────────────────
20. RESPONSIVE / MOBILE
───────────────────────────────────────────────────────────────────────── */
/* Tablet — 900px and below */
@media (max-width: 900px) {
.next-grid { grid-template-columns: 1fr 1fr; }
.wrap, .wrap-wide, .wrap-narrow { padding: 0 var(--space-md); }
.page-body { padding: var(--space-xl) var(--space-md) var(--space-2xl); }
}
/* Mobile — 700px and below */
@media (max-width: 700px) {
/* Nav — collapse links, show toggle */
.nav-links { display: none; flex-direction: column; align-items: stretch; }
.nav-links.is-open {
display: flex;
position: absolute;
top: 54px; left: 0; right: 0;
background: var(--navy);
border-top: 1px solid rgba(255,255,255,0.1);
padding: 8px 0;
z-index: 200;
}
.nav-links.is-open a { padding: 10px 24px; border-radius: 0; }
.nav-studio-link { margin-left: 0; }
.nav-toggle { display: block; }
.site-nav { position: sticky; }
/* Page header */
.page-header { padding: 48px var(--space-md) 40px; }
.page-header--hero { padding: 56px var(--space-md) 48px; text-align: left; }
.page-header--hero .page-header-inner { align-items: flex-start; }
.page-header--hero .page-lead { text-align: left; }
.hero-actions { justify-content: flex-start; }
.page-title { font-size: clamp(24px, 6vw, 32px); }
.page-lead { font-size: 15px; }
/* Page body */
.page-body { padding: 36px var(--space-md) 56px; }
/* Section spacing */
.section { margin-bottom: 48px; }
h2 { margin-top: 36px; }
/* Grids → single column */
.use-cases { grid-template-columns: 1fr; }
.next-grid { grid-template-columns: 1fr; }
.path-grid { grid-template-columns: 1fr; }
/* Context block */
.context-block-header { flex-direction: column; align-items: flex-start; }
.context-block-text { font-size: 11.5px; min-height: 320px; }
/* Tables — horizontal scroll */
.table-wrap { border-radius: var(--radius-md); }
table { min-width: 500px; }
thead th, tbody td { padding: 9px 12px; font-size: 13px; }
/* Steps */
.step { grid-template-columns: 36px 1fr; gap: 0 14px; }
/* Footer */
.footer-inner {
grid-template-columns: 1fr;
gap: 24px;
}
.footer-links { justify-content: flex-start; }
.footer-copy { padding-top: 16px; }
/* Hide decorative elements on small screens */
.hide-mobile { display: none; }
}
/* Very small screens — 400px and below */
@media (max-width: 400px) {
:root { --space-lg: 16px; }
.page-title { font-size: 24px; }
.section-title { font-size: 18px; }
.context-block-text { font-size: 11px; }
pre { padding: 14px 16px; }
pre code { font-size: 12px; }
}