/* ============================================================ Evolve Technologies — base layer Reset, shared utilities, theme + animation machinery. Design skins live in design-terminal.css / design-signal.css, selected by . ============================================================ */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background-color: var(--bg); color: var(--text); font-family: var(--font-sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; transition: background-color 0.25s ease, color 0.25s ease; } h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -0.02em; } p, ul, dl { margin: 0; } ul { padding: 0; list-style: none; } dd { margin: 0; } a { color: var(--accent-text); text-decoration: none; } a:hover { opacity: 0.85; } :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; } .visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; } .container { max-width: 1200px; margin: 0 auto; padding: 0 32px; } section { scroll-margin-top: 88px; } /* ---------- Design-scoped copy variants ---------- */ .only-terminal, .only-signal { display: none; } :root[data-design="terminal"] .only-terminal { display: inline; } :root[data-design="signal"] .only-signal { display: inline; } :root[data-design="signal"] li.only-signal { display: block; } /* ---------- Logo mark ---------- */ .logo { display: inline-flex; align-items: center; gap: 10px; } /* bordered square, mirroring the theme-toggle button */ .logo-box { width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); flex-shrink: 0; } .logo-img { width: 20px; height: 20px; display: block; /* black mark → white on the dark default theme */ filter: invert(1); } :root[data-theme="light"] .logo-img, :root:not([data-theme]):has(#lightswitch:checked) .logo-img { filter: none; } /* ---------- Theme toggle ---------- */ .theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid var(--line); color: var(--muted); cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease; } .theme-toggle:hover { color: var(--text); border-color: var(--muted); } /* dark shows the sun (what you switch to), light shows the moon. JS drives [data-theme]; the :has() fallback keeps it working without JS. */ .icon-moon { display: none; } :root[data-theme="light"] .icon-sun, :root:not([data-theme]):has(#lightswitch:checked) .icon-sun { display: none; } :root[data-theme="light"] .icon-moon, :root:not([data-theme]):has(#lightswitch:checked) .icon-moon { display: block; } :root:has(#lightswitch:focus-visible) .theme-toggle { outline: 2px solid var(--accent); outline-offset: 3px; } /* ---------- Hero load animation ---------- */ .status-chip { animation: rise 0.6s ease both; } h1 { animation: rise 0.6s 0.05s ease both; } .lede { animation: rise 0.6s 0.1s ease both; } .hero-actions { animation: rise 0.6s 0.15s ease both; } .terminal { animation: rise 0.6s 0.2s ease both; } @keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } } @keyframes blink { 50% { opacity: 0; } } /* ---------- Scroll reveals (JS-driven, motion-safe) ---------- */ .js:not(.rm) [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease var(--rd, 0s), transform 0.6s ease var(--rd, 0s); } .js:not(.rm) [data-reveal].in-view { opacity: 1; transform: none; } /* terminal lines typed/revealed by JS */ .js:not(.rm) .t-line { opacity: 0; } .js:not(.rm) .t-line.shown { opacity: 1; transition: opacity 0.25s ease; } /* 80/20 meter fills when the approach block reveals */ .js:not(.rm) .approach-copy .split-code { width: 0; transition: width 1s cubic-bezier(0.22, 0.61, 0.36, 1) 0.3s; } .js:not(.rm) .approach-copy.in-view .split-code { width: 80%; } /* ---------- Slider edge overlays ---------- */ .slider-edge { position: absolute; top: 0; bottom: 0; width: 76px; margin: 0; padding: 0; border: 0; display: flex; align-items: center; justify-content: center; color: var(--text); cursor: pointer; z-index: 2; transition: opacity 0.25s ease; } .slider-prev { left: 0; background: linear-gradient(to right, var(--bg) 25%, rgba(0, 0, 0, 0)); } .slider-next { right: 0; background: linear-gradient(to left, var(--bg) 25%, rgba(0, 0, 0, 0)); } .slider-edge svg { opacity: 0.5; transition: opacity 0.15s ease; } .slider-edge:hover svg { opacity: 1; } .slider-edge:disabled { opacity: 0; pointer-events: none; } @media (max-width: 640px) { /* phones: swipe + card peek, no overlays */ .slider-edge { display: none; } } /* ---------- Touch ergonomics ---------- */ @media (pointer: coarse) { .theme-toggle { width: 44px; height: 44px; } .logo-box { width: 44px; height: 44px; } } /* ---------- Reduced motion ---------- */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } }