/* ========================================================================== Zero to Hero — shared stylesheet One CSS file styles every page. Read the comments: this file is also a lesson in how a small design system works. ========================================================================== */ /* ---- 1. Design tokens (CSS custom properties / "variables") -------------- Defining colors and sizes once here means you change them in ONE place and the whole site updates. Try editing --accent and reloading. */ :root { --accent: #f6821f; /* Cloudflare-ish orange */ --accent-strong: #e06d0a; --accent-soft: #fff2e6; --bg: #ffffff; --bg-subtle: #f7f7f8; --bg-card: #ffffff; --border: #e6e6ea; --text: #1a1a1f; --text-muted: #5c5c6b; --code-bg: #f4f4f6; --radius: 14px; --radius-sm: 8px; --shadow: 0 1px 2px rgba(18, 18, 30, .06), 0 8px 24px rgba(18, 18, 30, .06); --maxw: 860px; --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; --mono: "SF Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace; } /* Dark mode: activated when (see main.js). We also respect the OS preference as a fallback below. */ :root[data-theme="dark"] { --accent: #ff9a4a; --accent-strong: #ffb06e; --accent-soft: #2a1c0e; --bg: #0f0f14; --bg-subtle: #16161d; --bg-card: #17171f; --border: #2a2a35; --text: #ececf1; --text-muted: #a0a0b0; --code-bg: #1c1c25; --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35); } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --accent: #ff9a4a; --accent-strong: #ffb06e; --accent-soft: #2a1c0e; --bg: #0f0f14; --bg-subtle: #16161d; --bg-card: #17171f; --border: #2a2a35; --text: #ececf1; --text-muted: #a0a0b0; --code-bg: #1c1c25; --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35); } } /* ---- 2. Reset & base ---------------------------------------------------- */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; } body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; font-size: 17px; transition: background .2s ease, color .2s ease; } img { max-width: 100%; display: block; } a { color: var(--accent-strong); text-decoration: none; } a:hover { text-decoration: underline; } /* ---- 3. Layout ---------------------------------------------------------- */ .wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; } /* ---- 4. Top navigation -------------------------------------------------- */ .nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--border); } .nav__inner { max-width: 1080px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 18px; } .nav__brand { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); font-size: 1.02rem; } .nav__brand:hover { text-decoration: none; } .nav__logo { width: 26px; height: 26px; flex: none; border-radius: 7px; background: linear-gradient(135deg, var(--accent), #ffb06e); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: .8rem; } .nav__links { display: flex; gap: 4px; margin-left: auto; align-items: center; } .nav__links a { color: var(--text-muted); font-size: .92rem; font-weight: 500; padding: 6px 11px; border-radius: 8px; } .nav__links a:hover { color: var(--text); background: var(--bg-subtle); text-decoration: none; } .nav__links a.is-active { color: var(--accent-strong); background: var(--accent-soft); } .theme-btn { border: 1px solid var(--border); background: var(--bg-card); color: var(--text); width: 38px; height: 38px; border-radius: 10px; cursor: pointer; font-size: 1.05rem; display: grid; place-items: center; flex: none; } .theme-btn:hover { border-color: var(--accent); } .nav__toggle { display: none; border: 1px solid var(--border); background: var(--bg-card); color: var(--text); width: 38px; height: 38px; border-radius: 10px; cursor: pointer; font-size: 1.1rem; } @media (max-width: 720px) { .nav__toggle { display: grid; place-items: center; } .nav__links { position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; background: var(--bg); border-bottom: 1px solid var(--border); padding: 10px 16px 16px; margin: 0; display: none; } .nav__links.is-open { display: flex; } .nav__links a { padding: 10px 12px; } .nav__links .theme-btn { width: 100%; height: 42px; margin-top: 6px; } } /* ---- 5. Hero ------------------------------------------------------------ */ .hero { padding: 74px 0 48px; text-align: center; } .hero .eyebrow { display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--accent-strong); background: var(--accent-soft); padding: 5px 12px; border-radius: 100px; margin-bottom: 20px; } .hero h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); line-height: 1.08; margin: 0 0 18px; letter-spacing: -.02em; font-weight: 800; } .hero h1 .grad { background: linear-gradient(120deg, var(--accent), #ff5e7e); -webkit-background-clip: text; background-clip: text; color: transparent; } .hero p.lead { font-size: 1.18rem; color: var(--text-muted); max-width: 640px; margin: 0 auto 30px; } .hero__cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; } /* ---- 6. Buttons --------------------------------------------------------- */ .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 11px; font-weight: 600; font-size: .98rem; cursor: pointer; border: 1px solid transparent; transition: transform .06s ease; } .btn:hover { text-decoration: none; } .btn:active { transform: translateY(1px); } .btn--primary { background: var(--accent); color: #fff; } .btn--primary:hover { background: var(--accent-strong); } .btn--ghost { background: var(--bg-card); color: var(--text); border-color: var(--border); } .btn--ghost:hover { border-color: var(--accent); } /* ---- 7. Roadmap cards --------------------------------------------------- */ .section { padding: 44px 0; } .section__head { text-align: center; margin-bottom: 34px; } .section__head h2 { font-size: 1.9rem; margin: 0 0 10px; letter-spacing: -.01em; } .section__head p { color: var(--text-muted); margin: 0; } .grid { display: grid; gap: 18px; } .grid--roadmap { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); } .card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); display: block; color: inherit; transition: transform .12s ease, border-color .12s ease; } a.card:hover { text-decoration: none; transform: translateY(-3px); border-color: var(--accent); } .card__step { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-strong); font-weight: 800; margin-bottom: 14px; font-size: .95rem; } .card h3 { margin: 0 0 8px; font-size: 1.18rem; } .card p { margin: 0; color: var(--text-muted); font-size: .96rem; } .card__more { margin-top: 14px; color: var(--accent-strong); font-weight: 600; font-size: .9rem; } /* ---- 8. Article / lesson pages ------------------------------------------ */ .article { padding: 40px 0 60px; } .article .kicker { color: var(--accent-strong); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; } .article h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); margin: 8px 0 6px; letter-spacing: -.02em; } .article .subtitle { color: var(--text-muted); font-size: 1.12rem; margin: 0 0 8px; } .article h2 { font-size: 1.5rem; margin: 42px 0 12px; padding-top: 8px; letter-spacing: -.01em; scroll-margin-top: 80px; } .article h3 { font-size: 1.15rem; margin: 26px 0 8px; } .article p, .article li { color: var(--text); } .article ul, .article ol { padding-left: 22px; } .article li { margin: 6px 0; } .article hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; } /* Inline code + code blocks */ code { font-family: var(--mono); font-size: .88em; background: var(--code-bg); padding: 2px 6px; border-radius: 6px; } .code { position: relative; background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius-sm); margin: 16px 0; overflow: hidden; } .code__bar { display: flex; align-items: center; justify-content: space-between; padding: 7px 12px; border-bottom: 1px solid var(--border); font-size: .78rem; color: var(--text-muted); font-family: var(--mono); } .code pre { margin: 0; padding: 14px 16px; overflow-x: auto; } .code pre code { background: none; padding: 0; font-size: .86rem; line-height: 1.6; } .copy-btn { border: 1px solid var(--border); background: var(--bg-card); color: var(--text-muted); font-size: .72rem; padding: 3px 10px; border-radius: 6px; cursor: pointer; font-family: var(--font); } .copy-btn:hover { color: var(--text); border-color: var(--accent); } /* Callout boxes */ .callout { border: 1px solid var(--border); border-left: 4px solid var(--accent); background: var(--bg-subtle); border-radius: var(--radius-sm); padding: 14px 18px; margin: 20px 0; } .callout strong { color: var(--text); } .callout--tip { border-left-color: #16a34a; } .callout--warn { border-left-color: #dc2626; } /* Step list with numbers */ .steps { counter-reset: step; list-style: none; padding: 0; margin: 22px 0; } .steps > li { counter-increment: step; position: relative; padding: 2px 0 18px 46px; margin: 0; } .steps > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: .9rem; display: grid; place-items: center; } .steps > li:not(:last-child)::after { content: ""; position: absolute; left: 14px; top: 32px; bottom: 2px; width: 2px; background: var(--border); } /* Prev / next pager */ .pager { display: flex; gap: 14px; margin-top: 48px; flex-wrap: wrap; } .pager a { flex: 1 1 220px; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; background: var(--bg-card); color: inherit; } .pager a:hover { border-color: var(--accent); text-decoration: none; } .pager span { display: block; font-size: .78rem; color: var(--text-muted); } .pager b { font-weight: 600; } .pager .next { text-align: right; } /* Table of contents chip row */ .toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 6px; } .toc a { font-size: .85rem; padding: 5px 12px; border-radius: 100px; background: var(--bg-subtle); border: 1px solid var(--border); color: var(--text-muted); } .toc a:hover { color: var(--accent-strong); border-color: var(--accent); text-decoration: none; } /* ---- 9. Footer ---------------------------------------------------------- */ .footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 30px 0; color: var(--text-muted); font-size: .9rem; } .footer__inner { max-width: 1080px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; } .footer a { color: var(--text-muted); } .footer a:hover { color: var(--accent-strong); } /* ---- 9b. Contact form --------------------------------------------------- */ .form { margin: 26px 0 8px; max-width: 560px; } .field { margin-bottom: 18px; } .field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; color: var(--text); } .field input, .field textarea { width: 100%; font: inherit; font-size: 1rem; color: var(--text); background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 11px 13px; resize: vertical; } .field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); } /* Honeypot: visually hidden but still in the DOM for bots to trip over. */ .honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; } #submit-btn[disabled] { opacity: .6; cursor: progress; } .form-status { margin: 14px 0 0; font-weight: 600; font-size: .95rem; min-height: 1.2em; } .form-status.is-ok { color: #16a34a; } .form-status.is-err { color: #dc2626; } /* ---- 10. Small helpers -------------------------------------------------- */ .muted { color: var(--text-muted); } .center { text-align: center; } .pill { display: inline-block; font-size: .78rem; font-weight: 600; padding: 3px 10px; border-radius: 100px; background: var(--accent-soft); color: var(--accent-strong); }