JS adds .is-in when the element enters the viewport. No JS on the page? Add .no-js-visible to opt straight to the end state. ==================================================================== */ /* FAIL-SAFE REVEALS The hidden start state only applies once hash.js has booted and put .hash-ready on . If JavaScript is blocked, fails to load, or throws before boot, every [data-reveal] element stays visible instead of leaving a blank page. The cost is a possible one-frame flash before the scripts at the end of run; the alternative is invisible content, which is worse. */ :where(.hash-ready) [data-reveal] { opacity: 0; will-change: transform, opacity; transition: opacity var(--reveal-dur, var(--dur-4)) var(--ease-out) var(--reveal-delay, 0ms), transform var(--reveal-dur, var(--dur-4)) var(--ease-out) var(--reveal-delay, 0ms), filter var(--reveal-dur, var(--dur-4)) var(--ease-out) var(--reveal-delay, 0ms); } :where(.hash-ready) [data-reveal="up"] { transform: translateY(var(--reveal-shift)); } :where(.hash-ready) [data-reveal="down"] { transform: translateY(calc(var(--reveal-shift) * -1)); } :where(.hash-ready) [data-reveal="left"] { transform: translateX(var(--reveal-shift)); } :where(.hash-ready) [data-reveal="right"] { transform: translateX(calc(var(--reveal-shift) * -1)); } :where(.hash-ready) [data-reveal="zoom"] { transform: scale(var(--reveal-zoom)); } :where(.hash-ready) [data-reveal="zoom-out"] { transform: scale(calc(2 - var(--reveal-zoom))); } :where(.hash-ready) [data-reveal="blur"] { filter: blur(var(--reveal-blur)); } :where(.hash-ready) [data-reveal="rise"] { transform: translateY(var(--reveal-shift)) scale(var(--reveal-zoom)); } :where(.hash-ready) [data-reveal="tilt"] { transform: translateY(var(--reveal-shift)) rotate(-3deg); } :where(.hash-ready) [data-reveal="fade"] { transform: none; } [data-reveal].is-in { opacity: 1; transform: none; filter: none; } /* Text split by the JS engine: data-reveal="words" / "chars" */ .split-unit { display: inline-block; } :where(.hash-ready) .split-unit { opacity: 0; transform: translateY(0.6em); transition: opacity var(--dur-4) var(--ease-out) var(--split-delay, 0ms), transform var(--dur-4) var(--ease-out) var(--split-delay, 0ms); } .is-in .split-unit, .split-unit.is-in { opacity: 1; transform: none; } /* Masked line reveal — the clip that reads expensive and costs nothing */ .mask-line { display: block; overflow: hidden; } .mask-line > * { display: block; } :where(.hash-ready) .mask-line > * { transform: translateY(100%); transition: transform var(--dur-4) var(--ease-out) var(--reveal-delay, 0ms); } .mask-line.is-in > * { transform: none; } /* ==================================================================== LOAD-IN STAGGER (.anim-1 .. .anim-8) Kept from our dashboard projects, now with a direction modifier. class="anim-3" -> fade up, 0.14s in class="anim-3 anim-left" -> same timing, slides from the left ==================================================================== */ [class*="anim-"] { animation-fill-mode: both; } .anim-1 { animation: hashFadeUp var(--dur-3) 0ms var(--ease-out) both; } .anim-2 { animation: hashFadeUp var(--dur-3) 70ms var(--ease-out) both; } .anim-3 { animation: hashFadeUp var(--dur-3) 140ms var(--ease-out) both; } .anim-4 { animation: hashFadeUp var(--dur-3) 210ms var(--ease-out) both; } .anim-5 { animation: hashFadeUp var(--dur-3) 280ms var(--ease-out) both; } .anim-6 { animation: hashFadeUp var(--dur-3) 350ms var(--ease-out) both; } .anim-7 { animation: hashFadeUp var(--dur-3) 420ms var(--ease-out) both; } .anim-8 { animation: hashFadeUp var(--dur-3) 490ms var(--ease-out) both; } .anim-fade[class*="anim-"] { animation-name: hashFadeIn; } .anim-down[class*="anim-"] { animation-name: hashFadeDown; } .anim-left[class*="anim-"] { animation-name: hashFadeLeft; } .anim-right[class*="anim-"] { animation-name: hashFadeRight; } .anim-zoom[class*="anim-"] { animation-name: hashZoomIn; } .anim-slow[class*="anim-"] { animation-duration: var(--dur-5); } /* Auto stagger for a whole list, no per-child classes */ .anim-list > * { animation: hashFadeUp var(--dur-3) var(--ease-out) both; } .anim-list > *:nth-child(1) { animation-delay: 0ms; } .anim-list > *:nth-child(2) { animation-delay: 70ms; } .anim-list > *:nth-child(3) { animation-delay: 140ms; } .anim-list > *:nth-child(4) { animation-delay: 210ms; } .anim-list > *:nth-child(5) { animation-delay: 280ms; } .anim-list > *:nth-child(6) { animation-delay: 350ms; } .anim-list > *:nth-child(7) { animation-delay: 420ms; } .anim-list > *:nth-child(8) { animation-delay: 490ms; } .anim-list > *:nth-child(n + 9) { animation-delay: 560ms; } /* ==================================================================== LOOPING / AMBIENT ==================================================================== */ .spin { animation: hashSpin 1s linear infinite; } .spin-slow { animation: hashSpin 8s linear infinite; } .pulse { animation: hashPulse 2s var(--ease-in-out) infinite; } .float { animation: hashFloat 4s var(--ease-in-out) infinite; } .blink { animation: hashBlink 1.2s steps(2, start) infinite; } /* Marquee —

…dupe…

*/ .marquee { overflow: hidden; width: 100%; } .marquee-track { display: flex; width: max-content; gap: var(--marquee-gap, 4rem); animation: hashMarquee var(--marquee-dur, 30s) linear infinite; } .marquee:hover .marquee-track { animation-play-state: paused; } .marquee-reverse .marquee-track { animation-direction: reverse; } /* ==================================================================== HOVER / INTERACTION ==================================================================== */ .hover-lift { transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out); } .hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); } .hover-grow { transition: transform var(--dur-2) var(--ease-out); } .hover-grow:hover { transform: scale(1.03); } .hover-press { transition: transform var(--dur-1) var(--ease-out); } .hover-press:active { transform: scale(0.97); } .hover-zoom-img { overflow: hidden; } .hover-zoom-img img { transition: transform var(--dur-4) var(--ease-out); } .hover-zoom-img:hover img { transform: scale(1.06); } /* Underline that draws in */ .link-draw { position: relative; } .link-draw::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform var(--dur-2) var(--ease-out); } .link-draw:hover::after { transform: scaleX(1); transform-origin: left; } /* ==================================================================== SCROLL-DRIVEN HELPERS ==================================================================== */ /* Header state toggled by hash-scroll.js */ .is-stuck { box-shadow: var(--shadow-1); } .is-hidden-up { transform: translateY(-100%); } .scroll-head { transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-2) linear; will-change: transform; } /* Reading progress bar — width set by JS via --progress */ .scroll-progress { position: fixed; inset: 0 auto auto 0; height: 3px; width: 100%; transform-origin: left; transform: scaleX(var(--progress, 0)); background: var(--brand, currentColor); z-index: 99; } .parallax { will-change: transform; } .smooth-scroll { scroll-behavior: smooth; } /* ==================================================================== KEYFRAMES ==================================================================== */ @keyframes hashFadeIn { from { opacity: 0; } to { opacity: 1; } } @keyframes hashFadeUp { from { opacity: 0; transform: translateY(var(--reveal-shift)); } to { opacity: 1; transform: none; } } @keyframes hashFadeDown { from { opacity: 0; transform: translateY(calc(var(--reveal-shift) * -1)); } to { opacity: 1; transform: none; } } @keyframes hashFadeLeft { from { opacity: 0; transform: translateX(calc(var(--reveal-shift) * -1)); } to { opacity: 1; transform: none; } } @keyframes hashFadeRight { from { opacity: 0; transform: translateX(var(--reveal-shift)); } to { opacity: 1; transform: none; } } @keyframes hashZoomIn { from { opacity: 0; transform: scale(var(--reveal-zoom)); } to { opacity: 1; transform: none; } } @keyframes hashSpin { to { transform: rotate(360deg); } } @keyframes hashPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } } @keyframes hashFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } } @keyframes hashBlink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } } @keyframes hashMarquee { from { transform: translateX(0); } to { transform: translateX(calc(-50% - (var(--marquee-gap, 4rem) / 2))); } } /* ==================================================================== ACCESSIBILITY One switch turns the whole system off. The JS engine reads the same media query and jumps straight to end values. ==================================================================== */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } [data-reveal], .split-unit { opacity: 1 !important; transform: none !important; filter: none !important; } .mask-line > * { transform: none !important; } } }