:root{color-scheme:light;--bg: #ffffff;--panel: #ffffff;--panel-soft: #fafafa;--text: #0d0d0d;--muted: #555555;--accent: #18e299;--accent-deep: #0fa76e;--accent-contrast: #0d0d0d;--border: rgba(0, 0, 0, .05);--border-strong: rgba(0, 0, 0, .08);--shadow-card: 0 2px 4px rgba(0, 0, 0, .03);--shadow-button: 0 1px 2px rgba(0, 0, 0, .06)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Inter Fallback,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 12% 0%,rgba(24,226,153,.15),transparent 26%),radial-gradient(circle at 88% 6%,rgba(24,226,153,.08),transparent 18%);opacity:.9;z-index:-1}a{color:inherit;text-decoration:none}a:hover{color:var(--accent-deep)}.shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr 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ease}.button:hover{transform:translateY(-1px);border-color:#00000024;color:var(--text)}.button.primary{border-color:transparent;background:var(--text);color:#fff}.button.primary:hover{background:#222;color:#fff}.button.accent{background:var(--accent);color:var(--accent-contrast);border-color:transparent}.button.accent:hover{background:#66f0b9}.button.compact{padding:.45rem .8rem}.button.ghost{background:transparent;box-shadow:none}main{padding:3.5rem 0 4.75rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:24px;padding:1.5rem;box-shadow:var(--shadow-card)}.hero{display:grid;gap:1.5rem;align-items:center}.eyebrow{color:var(--accent-deep);font-family:Geist Mono,ui-monospace,SFMono-Regular,monospace;font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:.8rem}h1,h2,h3{line-height:1.15;margin:0 0 .75rem;letter-spacing:-.02em}h1{font-size:clamp(2.4rem,4.5vw,4rem);letter-spacing:-.04em}h2{font-size:clamp(1.45rem,2.8vw,2.2rem)}h3{font-size:clamp(1.15rem,2vw,1.45rem)}p{margin:0 0 1rem}ul{padding-left:1.2rem}.grid,.split{display:grid;gap:1rem}.meta{color:var(--muted);font-size:.95rem}.lesson{display:grid;gap:1rem}.lesson img,.lesson iframe{width:100%;max-width:100%;border:0;border-radius:18px}.muted{color:var(--muted)}.status{display:inline-flex;align-items:center;gap:.5rem;border-radius:999px;padding:.4rem .8rem;background:#18e29924;color:#0b6a45;font-size:.85rem;font-weight:600;font-family:Geist Mono,ui-monospace,SFMono-Regular,monospace;letter-spacing:.04em;text-transform:uppercase}.form{display:grid;gap:.9rem;max-width:560px}.action-row{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}.hero-panel{padding:clamp(1.5rem,3vw,2.5rem);border-radius:28px;background:radial-gradient(circle at 10% 10%,rgba(24,226,153,.18),transparent 28%),linear-gradient(180deg,#18e2991a,#fffffffa 34%,#fff)}.hero-grid{display:grid;gap:1rem;grid-template-columns:minmax(0,1.5fr) minmax(260px,.9fr);align-items:stretch}.hero-copy{display:grid;gap:1rem;align-content:start}.hero-copy h1{max-width:12ch}.hero-copy p{max-width:60ch;font-size:1.06rem}.feature-card{background:var(--panel);border:1px solid var(--border);border-radius:24px;padding:1.35rem;box-shadow:var(--shadow-card)}.feature-card.soft{background:linear-gradient(180deg,#18e2991a,#fff)}.feature-card h2{font-size:1.5rem}.surface{background:var(--panel-soft);border:1px solid var(--border);border-radius:24px;padding:1.5rem}.surface+.surface{margin-top:1rem}.prose h2{margin-top:1.5rem}.prose h3{margin-top:1.2rem}.prose p:last-child{margin-bottom:0}.prose>:first-child{margin-top:0}.prose a{color:var(--text);text-decoration:underline;text-decoration-color:#18e29980;text-underline-offset:.15em}.prose a:hover{color:var(--accent-deep)}.prose img{border:1px solid var(--border);border-radius:18px}.video-frame{margin:1.25rem 0}.video-aspect{position:relative;aspect-ratio:16 / 9;border:1px solid var(--border);border-radius:18px;overflow:hidden;background:#000}.video-aspect iframe{position:absolute;inset:0;width:100%;height:100%}.callout-box{margin:1.25rem 0;padding:1rem 1.1rem;border-radius:18px;border:1px solid var(--border);background:#fbfbfb;display:grid;gap:.4rem}.callout-box strong{font-family:Geist Mono,ui-monospace,SFMono-Regular,monospace;text-transform:uppercase;letter-spacing:.06em;font-size:.78rem}.callout-box.note{background:#18e29917}.callout-box.tip{background:#18e29924}.callout-box.warning{background:#ffc4001f}.sequence-list{display:grid;gap:.5rem;padding-left:1.25rem}.sequence-list a{text-decoration:underline;text-underline-offset:.15em}.auth-card{max-width:680px}.callout{display:grid;gap:.65rem}.callout .button{justify-self:start}.pill{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .8rem;border-radius:999px;background:#18e29924;color:#0b6a45;font-size:.8rem;font-family:Geist Mono,ui-monospace,SFMono-Regular,monospace;text-transform:uppercase;letter-spacing:.06em}label{display:grid;gap:.4rem;font-weight:600}input{border:1px solid var(--border-strong);border-radius:9999px;padding:.9rem 1rem;font:inherit;background:#fff;box-shadow:inset 0 1px #00000005}input:focus{outline:1px solid var(--accent);border-color:var(--accent)}code,pre{background:#f7f7f7;border-radius:12px}code{padding:.15em .35em}pre{padding:1rem;overflow-x:auto}footer .container{padding:1.25rem 0;color:var(--muted)}small{line-height:1.5}@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}@media(max-width:720px){.nav{align-items:flex-start;flex-direction:column}.navlinks{justify-content:flex-start}main{padding:2.75rem 0 4rem}.card,.feature-card,.surface{border-radius:20px}.hero-panel{border-radius:24px}}