/* ========================================================================== SHARED COMPONENT LAYER -------------------------------------------------------------------------- Structural patterns lifted from ZygApp so both products share a vocabulary. Everything here reads from the BRIDGE layer in tokens.css — no raw hex. Portable to ZygApp as-is: reassign the bridge variables and these components render in ZygApp's cyan/violet instead of zukApp's teal/plum. Load order: tokens.css → system.css → styles.css → page styles. ========================================================================== */ /* -------------------------------------------------------------------------- Atmosphere — the faint technical grid and two soft glows. This is ZygApp's most recognisable surface treatment. Pure CSS: no images, no JS, no measurable performance cost. Apply `class="atmos"` to . -------------------------------------------------------------------------- */ .atmos { background-color: var(--bg-deep); background-image: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(111, 76, 255, 0.10) 0%, transparent 60%), radial-gradient(ellipse 40% 30% at 80% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%); background-attachment: fixed; color: var(--fg); font-family: var(--font-sans); } /* z-index: -1, not 0. A position:fixed element with z-index:0 paints ABOVE in-flow, non-positioned content in the same stacking context — so at 0 this grid would sit on top of every paragraph on the page. Negative z-index puts it behind the content but still in front of the parent's background, which is exactly where it belongs. Same reasoning for #drift below. */ .atmos::before { content: ''; position: fixed; inset: 0; background-image: linear-gradient(var(--zyg-grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--zyg-grid-line) 1px, transparent 1px); background-size: var(--zyg-grid-size) var(--zyg-grid-size); pointer-events: none; z-index: -1; } /* Anything that must be explicitly lifted above the backdrop layers. */ .above-grid { position: relative; z-index: 1; } /* Particle drift canvas — behind the content, in front of the background. Driven by static/js/drift.js, which no-ops on small screens and when the visitor prefers reduced motion. */ #drift { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: -1; } /* -------------------------------------------------------------------------- Page shell -------------------------------------------------------------------------- */ .shell { position: relative; z-index: 1; max-width: var(--measure); margin: 0 auto; /* Top padding clears the 60px fixed nav plus ZygApp's 72px breathing room. Deliberately here rather than on — see the note in partials/nav.html. */ padding: 132px 24px 120px; /* styles.css sets `main { text-align: center }` globally. Long-form copy set centred is unreadable, so the shell resets it. */ text-align: left; } /* Same reset for the legacy container pages now using the atmos treatment, and `overflow-x: auto` on main was producing a horizontal scrollbar on narrow viewports. */ .atmos main { text-align: left; overflow-x: clip; } @media (max-width: 860px) { .shell { padding: 104px 20px 80px; } } /* Legacy pages that still use `main.container.p-5` also need clearance for the fixed nav — 3rem of padding isn't enough on its own. */ .atmos main.container { padding-top: 108px; } @media (max-width: 860px) { .atmos main.container { padding-top: 84px; } } .shell--narrow { max-width: 760px; } /* -------------------------------------------------------------------------- Eyebrow — the `// LABEL` mono kicker above a heading. Signals "this is a section" without spending a heading level on it. -------------------------------------------------------------------------- */ .eyebrow { font-family: var(--font-label); font-size: 0.7rem; letter-spacing: var(--zyg-tracking-label); text-transform: uppercase; color: var(--accent); opacity: 0.85; margin: 0 0 16px; } .eyebrow::before { content: '// '; opacity: 0.5; } /* -------------------------------------------------------------------------- Section label — small caps label with a rule that fades out to the right. Cheap way to divide a long page without heavy borders. -------------------------------------------------------------------------- */ .section-label { display: flex; align-items: center; gap: 12px; font-family: var(--font-label); font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-faint); margin: 72px 0 24px; } .section-label::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, var(--zyg-hairline-soft), transparent); } /* -------------------------------------------------------------------------- Headings -------------------------------------------------------------------------- */ .display { font-size: var(--zyg-display); font-weight: 700; letter-spacing: var(--zyg-tracking-tight); line-height: 1.1; margin: 0 0 16px; } .display--sm { font-size: var(--zyg-display-sm); } /* Gradient-filled emphasis. Use on one or two words, never a whole heading — gradient text at length is hard to read and cheapens the effect. */ .grad { background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; } .lede { color: var(--fg-muted); font-size: 1rem; line-height: 1.7; max-width: 60ch; margin: 0 0 24px; } .prose { color: var(--fg); font-size: 0.95rem; line-height: 1.75; max-width: 68ch; } .prose p { margin: 0 0 1.1em; } .prose a { color: var(--accent-soft); text-decoration: none; border-bottom: 1px solid rgba(108, 180, 164, 0.3); transition: border-color var(--dur-instant) var(--ease-out), color var(--dur-instant) var(--ease-out); } .prose a:hover { color: var(--focus-ring); border-bottom-color: var(--focus-ring); } /* -------------------------------------------------------------------------- Cards -------------------------------------------------------------------------- */ .grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; } /* Glassmorphism + blue-violet rim lighting. The rim is a 1px inset ring that brightens on the top-left, which is where the page's radial glow sits — so the light has a plausible source rather than being decoration. Restrained: no glow on idle, only on hover. */ .card { position: relative; display: block; border: 1px solid var(--hairline); border-radius: var(--radius); background: linear-gradient( 160deg, rgba(226, 232, 240, 0.055) 0%, rgba(226, 232, 240, 0.018) 40%, rgba(8, 12, 20, 0.30) 100% ); backdrop-filter: blur(14px) saturate(120%); -webkit-backdrop-filter: blur(14px) saturate(120%); box-shadow: inset 0 1px 0 rgba(0, 212, 255, 0.10), inset 1px 0 0 rgba(111, 76, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.28); padding: 24px; text-decoration: none; color: inherit; overflow: hidden; transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out); } .card:hover { transform: translateY(-3px); border-color: rgba(0, 212, 255, 0.28); box-shadow: inset 0 1px 0 rgba(0, 212, 255, 0.22), inset 1px 0 0 rgba(111, 76, 255, 0.16), 0 12px 32px rgba(0, 0, 0, 0.36), 0 0 0 1px rgba(111, 76, 255, 0.10); text-decoration: none; color: inherit; } /* Glass panel — same material, non-interactive. */ .glass { border: 1px solid var(--hairline); border-radius: var(--radius); background: linear-gradient( 160deg, rgba(226, 232, 240, 0.05) 0%, rgba(8, 12, 20, 0.28) 100% ); backdrop-filter: blur(14px) saturate(120%); -webkit-backdrop-filter: blur(14px) saturate(120%); box-shadow: inset 0 1px 0 rgba(0, 212, 255, 0.10); padding: 28px; } /* Scanline texture — ZygApp uses this over card imagery. Very subtle. */ .card--scan::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient( 0deg, transparent, transparent 3px, var(--zyg-scanline) 3px, var(--zyg-scanline) 4px ); pointer-events: none; } .card__kicker { font-family: var(--font-label); font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; } .card__title { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 8px; color: var(--fg); } .card__body { font-size: 0.85rem; line-height: 1.6; color: var(--fg-muted); margin: 0; } .card__meta { font-family: var(--font-label); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-faint); margin-top: 16px; } /* Media card: image top, text below, image desaturates until hover. Keeps zukApp's existing grayscale-to-colour behaviour. */ .card--media { padding: 0; } .card--media img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; filter: var(--grayscale-idle); transition: filter var(--dur-fast) var(--ease-out), transform var(--dur-slow) var(--ease-out); } .card--media:hover img { filter: var(--grayscale-hover); transform: scale(1.04); } .card--media .card__inner { padding: 20px 24px 24px; } /* -------------------------------------------------------------------------- Buttons -------------------------------------------------------------------------- */ .btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border: 1px solid var(--hairline); border-radius: var(--radius-sm); background: transparent; color: var(--fg); font-family: var(--font-label); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: all var(--dur-instant) var(--ease-out); } .btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; transform: translateY(-2px); } .btn--primary { background: var(--accent); border-color: var(--accent); color: var(--bg-deep); font-weight: 600; } .btn--primary:hover { filter: brightness(1.12); color: var(--bg-deep); } .btn__arrow { transition: transform var(--dur-instant) var(--ease-out); } .btn:hover .btn__arrow { transform: translateX(3px); } .btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; } /* -------------------------------------------------------------------------- Key/value list — for "what this is" facts. Reads as engineered rather than decorative, which is the point. -------------------------------------------------------------------------- */ .spec { display: grid; grid-template-columns: minmax(120px, 180px) 1fr; gap: 10px 24px; font-size: 0.85rem; margin: 0; } .spec dt { font-family: var(--font-label); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-faint); padding-top: 3px; } .spec dd { margin: 0; color: var(--fg); line-height: 1.6; } @media (max-width: 560px) { .spec { grid-template-columns: 1fr; gap: 2px 0; } .spec dd { margin-bottom: 14px; } } /* -------------------------------------------------------------------------- Long-page rendering cost. One line, real win: the browser skips layout and paint for offscreen sections entirely. -------------------------------------------------------------------------- */ .defer-render { content-visibility: auto; contain-intrinsic-size: auto 600px; }