/* Learn2Forecast landing — L00. * One stylesheet, first-party, no @import and no webfont: every byte on this * page comes from our own origin (AD-04, PLAN §12.3). * Contrast targets: body text >= 12:1, muted text >= 7:1, controls >= 4.5:1. */ :root { color-scheme: light dark; --bg: #ffffff; --surface: #f4f6f9; --border: #c9d2dc; --text: #10151c; /* 18.7:1 on --bg */ --muted: #414d5c; /* 8.9:1 on --bg */ --accent: #0a4a70; /* 8.1:1 on --bg */ --accent-text: #ffffff; --focus: #0a4a70; --ok: #17512c; /* 8.4:1 on --bg */ --error: #8a1420; /* 8.3:1 on --bg */ --measure: 34rem; } @media (prefers-color-scheme: dark) { :root { --bg: #0d1117; --surface: #161c24; --border: #303a46; --text: #e9eef5; /* 15.6:1 on --bg */ --muted: #adbac7; /* 8.6:1 on --bg */ --accent: #8fd0ff; /* 10.4:1 on --bg */ --accent-text: #06121c; --focus: #8fd0ff; --ok: #7ddba0; --error: #ffa8a8; } } *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; } body { margin: 0; background: var(--bg); color: var(--text); font: 400 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; padding: 0 1.25rem 4rem; } /* --- pitch variants (assets/pitch.js sets data-pitch on ) ----------- */ .v { display: none; } html[data-pitch="a"] .v-a { display: block; } html[data-pitch="b"] .v-b { display: block; } /* --- skip link ----------------------------------------------------------- */ .skip-link { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--accent-text); padding: 0.6rem 1rem; border-radius: 0 0 6px 0; z-index: 10; } .skip-link:focus { left: 0; } /* --- layout -------------------------------------------------------------- */ .site-head, main, .site-foot { max-width: var(--measure); margin-inline: auto; } .site-head { padding: 2rem 0 0.5rem; } .wordmark { font-weight: 700; letter-spacing: -0.01em; font-size: 1.0625rem; } .wordmark-num { color: var(--accent); } main { padding-top: 1.5rem; } section + section { margin-top: 2.5rem; } h1 { font-size: clamp(2rem, 7vw, 2.75rem); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 0.6rem; } h2 { font-size: 1.0625rem; line-height: 1.3; margin: 0 0 0.5rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; font-weight: 700; } p { margin: 0 0 1rem; } .lede { font-size: 1.25rem; line-height: 1.45; color: var(--muted); margin-bottom: 0; } /* --- signup -------------------------------------------------------------- */ .signup { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; } .field { margin-bottom: 1rem; } label { display: block; font-weight: 600; margin-bottom: 0.35rem; } input[type="email"] { width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 0.7rem 0.8rem; min-height: 2.75rem; } input[type="email"]:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; } .help { font-size: 0.9375rem; color: var(--muted); margin: 0.4rem 0 0; } button { font: inherit; font-weight: 600; background: var(--accent); color: var(--accent-text); border: 1px solid transparent; border-radius: 8px; padding: 0.7rem 1.25rem; min-height: 2.75rem; cursor: pointer; transition: filter 120ms ease-in-out; } button:hover:not(:disabled) { filter: brightness(1.12); } button:disabled { opacity: 0.7; cursor: progress; } .status { margin: 0.85rem 0 0; min-height: 1.65rem; font-size: 0.9375rem; } .status[data-kind="ok"] { color: var(--ok); font-weight: 600; } .status[data-kind="error"] { color: var(--error); font-weight: 600; } .status[data-kind="pending"] { color: var(--muted); } .privacy-line { font-size: 0.9375rem; color: var(--muted); margin: 1.25rem 0 0; } /* --- footer -------------------------------------------------------------- */ .site-foot { margin-top: 3rem; padding-top: 1.25rem; border-top: 1px solid var(--border); font-size: 0.9375rem; color: var(--muted); } .site-foot nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; margin-bottom: 0.75rem; } .small { margin: 0; } a { color: var(--accent); } a:hover { text-decoration-thickness: 2px; } /* --- long-form pages (privacy, bot, 404) --------------------------------- */ .prose h1 { font-size: clamp(1.6rem, 5vw, 2.1rem); } .prose h2 { text-transform: none; letter-spacing: normal; color: var(--text); font-size: 1.125rem; margin-top: 2rem; } .prose ul { padding-left: 1.25rem; } .prose li { margin-bottom: 0.4rem; } .prose dt { font-weight: 600; margin-top: 0.9rem; } .prose dd { margin: 0.15rem 0 0; color: var(--muted); } .updated { color: var(--muted); font-size: 0.9375rem; } /* --- motion -------------------------------------------------------------- */ @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; } } /* The Play CTA — W30-CP2. * * Styled from the same tokens as the waitlist button (`--accent` / * `--accent-text`, both carrying their measured contrast ratios at the top of * this file in both colour schemes) rather than from new colours, so the one * accessible pair the page already proves is the one this uses too. It is an * anchor and not a button because it navigates; the shared `a:focus-visible` * rule above gives it the same focus ring as everything else (PLAN G14). */ .cta-row { margin: 1.6rem 0 0; } .cta { display: inline-block; font-weight: 600; background: var(--accent); color: var(--accent-text); border-radius: 8px; padding: 0.7rem 2.25rem; min-height: 2.75rem; line-height: 1.4rem; text-decoration: none; transition: filter 120ms ease-in-out; } .cta:hover { filter: brightness(1.12); text-decoration: underline; } @media (prefers-reduced-motion: reduce) { .cta { transition: none; } }