/* ========================================================================== base.css — reset, element defaults, typography, shared primitives. Depends on: tokens.css ========================================================================== */ /* --- Reset ---------------------------------------------------------------- */ *, *::before, *::after { box-sizing: border-box; } * { margin: 0; } html { -webkit-text-size-adjust: 100%; tab-size: 4; } /* Offset in-page anchors so the sticky header never covers a heading. */ html { scroll-padding-top: calc(var(--header-h) + var(--space-4)); } @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } } body { min-height: 100svh; background-color: var(--color-bg); color: var(--color-text); font-family: var(--font-sans); font-size: var(--text-base); line-height: var(--leading-normal); font-synthesis-weight: none; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; transition: background-color var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out); } img, picture, video, canvas, svg { display: block; max-width: 100%; } img, video { height: auto; } input, button, textarea, select { font: inherit; color: inherit; } p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; } ul[role="list"], ol[role="list"] { list-style: none; padding: 0; } /* --- Typography ----------------------------------------------------------- */ h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: var(--leading-tight); letter-spacing: var(--tracking-tight); text-wrap: balance; } h1 { font-size: var(--text-4xl); } h2 { font-size: var(--text-3xl); } h3 { font-size: var(--text-xl); } h4 { font-size: var(--text-lg); } p { text-wrap: pretty; } a { color: inherit; text-decoration-color: var(--color-border-strong); text-underline-offset: 0.18em; transition: color var(--dur-fast) var(--ease-out), text-decoration-color var(--dur-fast) var(--ease-out); } a:hover { color: var(--color-accent); text-decoration-color: currentColor; } ::selection { background-color: var(--color-accent); color: var(--color-on-accent); } /* --- Focus --------------------------------------------------------------- One visible focus ring for the whole site. Never remove it without replacing it — keyboard users navigate by this alone. -------------------------------------------------------------------------- */ :focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); } :focus:not(:focus-visible) { outline: none; } /* --- Layout primitives ---------------------------------------------------- */ /* Centered page container with responsive gutters. */ .container { width: 100%; max-width: var(--width-page); margin-inline: auto; padding-inline: var(--gutter); } /* Constrain body copy to a readable measure. */ .measure { max-width: var(--width-text); } /* Standard vertical rhythm for a full-width band of content. */ .section { padding-block: var(--section-y); } /* Small caps-style label used above section headings. */ .eyebrow { font-family: var(--font-sans); font-size: var(--text-xs); font-weight: 600; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--color-text-muted); } /* --- Utilities ------------------------------------------------------------ */ /* Available to screen readers, invisible on screen. */ .visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; } /* Keyboard-only escape hatch past the nav, first element in . */ .skip-link { position: absolute; top: var(--space-3); left: var(--space-3); z-index: var(--z-modal); padding: var(--space-2) var(--space-4); background-color: var(--color-accent); color: var(--color-on-accent); border-radius: var(--radius-md); font-weight: 600; text-decoration: none; transform: translateY(-150%); transition: transform var(--dur-fast) var(--ease-out); } .skip-link:focus-visible { transform: translateY(0); color: var(--color-on-accent); } /* --- Buttons -------------------------------------------------------------- */ .button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-3) var(--space-5); border: 1px solid transparent; border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.01em; text-decoration: none; cursor: pointer; white-space: nowrap; transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); } .button:active { transform: translateY(1px); } .button--primary { background-color: var(--color-accent); color: var(--color-on-accent); } .button--primary:hover { background-color: var(--color-accent-hover); color: var(--color-on-accent); } .button--ghost { background-color: transparent; border-color: var(--color-border-strong); color: var(--color-text); } .button--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); } /* A logo or glyph sitting before a button's label. .button is already an inline-flex row with a gap, so this only has to size the SVG: em units so it tracks the label, and flex:none so a long label cannot squash it. */ .button__icon { width: 1.1em; height: 1.1em; flex: none; } /* --- Motion preference ---------------------------------------------------- Honour the OS "reduce motion" setting globally. Scroll-driven reveals in js/modules/ check this too, so content still appears without animating. -------------------------------------------------------------------------- */ @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; } }