/* ========================================================= kaos-control.io — site.css Tokens → Reset → Base → Layout → Components → Utilities ========================================================= */ /* --------------------------------------------------------- 1. Colour tokens (light theme defaults) --------------------------------------------------------- */ :root { --bg: #f7f8fa; --surface: #ffffff; --surface-2: #eef0f4; --text: #0f1a26; --muted: #54627a; --accent: #ee7a2b; --accent-dark: #c85f18; --accent-contrast: #ffffff; --border: #d5dae3; --nav-h: 64px; --content-w: 1100px; --gutter: clamp(1rem, 4vw, 2rem); --radius: 6px; --section-gap: clamp(4rem, 8vw, 7rem); } /* Dark-theme via OS preference */ @media (prefers-color-scheme: dark) { :root { --bg: #101822; --surface: #17202c; --surface-2: #1e2a39; --text: #e8edf3; --muted: #a4b1c4; --border: #2a3a50; } } /* Dark-theme via JS toggle ([data-theme="dark"] on ) */ [data-theme="dark"] { --bg: #101822; --surface: #17202c; --surface-2: #1e2a39; --text: #e8edf3; --muted: #a4b1c4; --border: #2a3a50; } /* Light-theme override — used by JS toggle */ [data-theme="light"] { --bg: #f7f8fa; --surface: #ffffff; --surface-2: #eef0f4; --text: #0f1a26; --muted: #54627a; --border: #d5dae3; } /* --------------------------------------------------------- 2. Reset & box model --------------------------------------------------------- */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; font-size: 100%; -webkit-text-size-adjust: 100%; } body { background-color: var(--bg); color: var(--text); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; font-size: 1rem; line-height: 1.65; min-width: 320px; overflow-x: hidden; } img, svg { display: block; max-width: 100%; height: auto; } a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; } a:hover { color: var(--accent-dark); } code, pre, kbd, samp { font-family: "JetBrains Mono", "Cascadia Code", "Fira Code", ui-monospace, "Courier New", monospace; } ul, ol { list-style: none; } /* --------------------------------------------------------- 3. Focus styles (WCAG AA) --------------------------------------------------------- */ :focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; } /* --------------------------------------------------------- 4. Skip-to-content link --------------------------------------------------------- */ .skip-link { position: absolute; top: -100%; left: 0; z-index: 9999; padding: 0.75rem 1.25rem; background: var(--accent); color: var(--accent-contrast); font-weight: 600; text-decoration: none; border-radius: 0 0 var(--radius) 0; transition: top 0.1s; } .skip-link:focus { top: 0; } /* --------------------------------------------------------- 5. Layout helpers --------------------------------------------------------- */ .container { width: 100%; max-width: var(--content-w); margin-inline: auto; padding-inline: var(--gutter); } /* --------------------------------------------------------- 6. Navigation / header --------------------------------------------------------- */ .site-header { position: sticky; top: 0; z-index: 100; background: var(--surface); border-bottom: 1px solid var(--border); height: var(--nav-h); display: flex; align-items: center; transition: padding 0.2s, box-shadow 0.2s; } .site-header.is-condensed { box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12); } .nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; max-width: var(--content-w); margin-inline: auto; padding-inline: var(--gutter); } .nav-logo { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: -0.02em; white-space: nowrap; } .nav-logo span { color: var(--accent); } .nav-links { display: flex; gap: 0.25rem; align-items: center; flex-wrap: wrap; } .nav-links a { color: var(--text); text-decoration: none; font-size: 0.9rem; font-weight: 500; padding: 0.5rem 0.75rem; border-radius: var(--radius); min-height: 44px; display: inline-flex; align-items: center; transition: background 0.15s, color 0.15s; } .nav-links a:hover { background: var(--surface-2); color: var(--accent); } .nav-actions { display: flex; align-items: center; gap: 0.5rem; } /* Theme toggle button */ .theme-toggle { background: none; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); cursor: pointer; font-size: 1rem; line-height: 1; min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0.5rem; transition: background 0.15s, border-color 0.15s; } .theme-toggle:hover { background: var(--surface-2); border-color: var(--accent); } /* Hamburger */ .nav-hamburger { display: none; background: none; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); cursor: pointer; padding: 0.5rem; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; font-size: 1.25rem; transition: background 0.15s; } .nav-hamburger:hover { background: var(--surface-2); } /* Mobile nav */ @media (max-width: 767px) { .nav-hamburger { display: inline-flex; } .nav-links { display: none; position: absolute; top: var(--nav-h); left: 0; right: 0; flex-direction: column; flex-wrap: nowrap; background: var(--surface); border-bottom: 1px solid var(--border); padding: 0.75rem var(--gutter) 1rem; gap: 0; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); z-index: 99; } .nav-links.is-open { display: flex; } .nav-links a { width: 100%; padding: 0.75rem 0.5rem; font-size: 1rem; border-bottom: 1px solid var(--border); border-radius: 0; } .nav-links a:last-child { border-bottom: none; } } /* Fallback: with JS disabled, always show nav links */ @media (max-width: 767px) { .no-js .nav-hamburger { display: none; } .no-js .nav-links { display: flex; } } /* --------------------------------------------------------- 7. Sections — shared layout --------------------------------------------------------- */ section { scroll-margin-top: calc(var(--nav-h) + 1rem); padding-block: var(--section-gap); } section:nth-child(even) { background: var(--surface); } section h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1.2; margin-bottom: 0.5rem; letter-spacing: -0.02em; } section p { max-width: 68ch; color: var(--text); margin-bottom: 1rem; } section p:last-child { margin-bottom: 0; } .section-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.5rem; } /* --------------------------------------------------------- 8. Hero (#top) --------------------------------------------------------- */ .hero { padding-block: clamp(4rem, 10vw, 8rem); background: var(--surface); text-align: center; } .hero h1 { font-size: clamp(2.5rem, 7vw, 4.5rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.04em; margin-bottom: 1rem; } .hero h1 .accent { color: var(--accent); } .hero-value { font-size: clamp(1.1rem, 2.5vw, 1.35rem); font-weight: 600; line-height: 1.4; max-width: 52ch; margin-inline: auto; margin-bottom: 1rem; color: var(--text); } .hero-sub { font-size: clamp(0.95rem, 2vw, 1.1rem); max-width: 62ch; margin-inline: auto; margin-bottom: 2.5rem; color: var(--muted); } .hero-ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem; } .hero-image { max-width: min(900px, 100%); margin-inline: auto; border-radius: calc(var(--radius) * 2); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15); } /* --------------------------------------------------------- 9. Buttons --------------------------------------------------------- */ .btn { display: inline-flex; align-items: center; gap: 0.4em; padding: 0.7rem 1.5rem; border-radius: var(--radius); font-size: 1rem; font-weight: 600; text-decoration: none; min-height: 44px; cursor: pointer; transition: background 0.15s, color 0.15s, box-shadow 0.15s; white-space: nowrap; } .btn-primary { background: var(--accent); color: var(--accent-contrast); border: 2px solid var(--accent); } .btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--accent-contrast); } .btn-secondary { background: transparent; color: var(--text); border: 2px solid var(--border); } .btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: transparent; } /* --------------------------------------------------------- 10. Features grid --------------------------------------------------------- */ .features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 1.5rem; margin-top: 2.5rem; } .feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: calc(var(--radius) * 2); padding: 1.5rem; transition: box-shadow 0.2s; } .feature-card:hover { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); } section:nth-child(even) .feature-card { background: var(--surface-2); } .feature-icon { font-size: 1.75rem; margin-bottom: 0.75rem; display: block; } .feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text); } .feature-card p { font-size: 0.925rem; color: var(--muted); max-width: none; margin-bottom: 0; } /* --------------------------------------------------------- 11. Two-column text + image layout (≥ 768 px) --------------------------------------------------------- */ .two-col { display: grid; gap: 3rem; align-items: center; } @media (min-width: 768px) { .two-col { grid-template-columns: 1fr 1fr; } .two-col.img-first { direction: rtl; } .two-col.img-first > * { direction: ltr; } } .diagram { border-radius: calc(var(--radius) * 2); box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1); width: 100%; } .steps + picture { display: block; margin-top: 2.5rem; } .video-embed { aspect-ratio: 16 / 9; width: 100%; margin-top: 2.5rem; border-radius: calc(var(--radius) * 2); box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1); overflow: hidden; background: #000; } .video-embed iframe { width: 100%; height: 100%; border: 0; display: block; } /* --------------------------------------------------------- 12. Audience grid --------------------------------------------------------- */ .audience-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); gap: 1.5rem; margin-top: 2.5rem; } .audience-card { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 1.5rem; } section:nth-child(even) .audience-card { background: var(--surface-2); } .audience-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text); } .audience-card p { font-size: 0.9rem; color: var(--muted); max-width: none; margin-bottom: 0; } /* --------------------------------------------------------- 13. Roadmap section --------------------------------------------------------- */ .roadmap-images { display: grid; gap: 2rem; margin-top: 2rem; } @media (min-width: 768px) { .roadmap-images { grid-template-columns: 1fr 1fr; } } .roadmap-images figure { display: flex; flex-direction: column; gap: 0.5rem; } .roadmap-images figcaption { font-size: 0.875rem; color: var(--muted); text-align: center; } /* --------------------------------------------------------- 14. Code block (install snippet) --------------------------------------------------------- */ .code-block { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.5rem; overflow-x: auto; margin-block: 1.5rem; } .code-block pre { font-size: 0.9rem; line-height: 1.6; color: var(--text); white-space: pre; } /* --------------------------------------------------------- 15. Footer --------------------------------------------------------- */ .site-footer { background: var(--surface); border-top: 1px solid var(--border); padding-block: 2.5rem; font-size: 0.875rem; color: var(--muted); } .footer-inner { max-width: var(--content-w); margin-inline: auto; padding-inline: var(--gutter); display: flex; flex-direction: column; gap: 1rem; } @media (min-width: 768px) { .footer-inner { flex-direction: row; justify-content: space-between; align-items: flex-start; } } .footer-links { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; } .footer-links a { color: var(--muted); } .footer-links a:hover { color: var(--accent); } /* --------------------------------------------------------- 16. How-it-works steps --------------------------------------------------------- */ .steps { display: grid; gap: 1.5rem; margin-top: 2rem; counter-reset: step-counter; } @media (min-width: 768px) { .steps { grid-template-columns: repeat(3, 1fr); } } .step { position: relative; padding: 1.25rem 1.25rem 1.25rem 3.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: calc(var(--radius) * 2); counter-increment: step-counter; } section:nth-child(even) .step { background: var(--surface-2); } .step::before { content: counter(step-counter); position: absolute; left: 1rem; top: 1.2rem; width: 1.75rem; height: 1.75rem; background: var(--accent); color: var(--accent-contrast); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; } .step h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.35rem; color: var(--text); } .step p { font-size: 0.875rem; color: var(--muted); max-width: none; margin-bottom: 0; } /* --------------------------------------------------------- 17. Get-started section --------------------------------------------------------- */ .get-started-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; margin-bottom: 1rem; } .licence-note { font-size: 0.875rem; color: var(--muted); margin-top: 1.5rem; } /* --------------------------------------------------------- 18. Responsive guard — no horizontal scroll --------------------------------------------------------- */ @media (max-width: 767px) { .two-col { grid-template-columns: 1fr; } .hero-ctas { flex-direction: column; align-items: center; } .roadmap-images { grid-template-columns: 1fr; } }