/* EveryGoodNote marketing site: landing page, blog, privacy.
   Same palette and type as the app. Layout: one centred reading column (~68ch) for articles,
   wider sections on the landing page. */
:root{
  --bg:#F3F4F7; --surface:#FFFFFF; --surface-2:#ECEEF3; --ink:#151A26; --muted:#565F77; --line:#D6DBE5;
  --accent:#B4233A; --accent-ink:#FFFFFF; --accent-soft:#F7E0E4;
  --good:#138A4A; --bad:#CF3636;
  --n-C:#D93A33; --n-D:#E07A12; --n-E:#C9A20A; --n-F:#2F9140; --n-G:#1690A6; --n-A:#3D52C2; --n-B:#8A3FB0;
  --f-display:'Bricolage Grotesque','DM Sans',system-ui,sans-serif;
  --f-body:'DM Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --f-music:'Noto Music','Bravura','Apple Symbols','Segoe UI Symbol',serif;
  --r:16px; --col:68ch; --wide:1080px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0F121A; --surface:#181D29; --surface-2:#212737; --ink:#E9ECF3; --muted:#A0A8BD; --line:#2E3546;
    --accent:#FF6278; --accent-ink:#1C0A0E; --accent-soft:#3B1F28; --good:#3CD283; --bad:#FF6666;
    --n-C:#FF6A60; --n-D:#FF9D3D; --n-E:#F2CF3A; --n-F:#4CC463; --n-G:#2EC3DA; --n-A:#7C8CFF; --n-B:#C07CF0;
    color-scheme:dark;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--f-body)}
img,svg{max-width:100%}
a{color:var(--accent);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--f-display);line-height:1.12;letter-spacing:-.02em;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,6vw,58px);font-weight:800}
h2{font-size:clamp(25px,3.6vw,34px);font-weight:800}
h3{font-size:20px;font-weight:700}
p{margin:0}
.wrap{max-width:var(--wide);margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
.label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--muted)}

/* Header + footer */
.site-head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:62px}
.logo{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;font:800 21px var(--f-display);letter-spacing:-.02em}
.logo b{color:var(--accent);font-weight:800}
.logo svg{width:26px;height:22px;flex:none}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;padding:8px 10px;border-radius:10px}
.nav a:hover{background:var(--surface-2)}
.nav a.lang{font-size:13px;font-weight:800;letter-spacing:.06em;border:1px solid var(--line);padding:5px 8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 16px var(--f-body);text-decoration:none;border-radius:12px;padding:12px 20px;border:1.5px solid var(--line);color:var(--ink);background:var(--surface);cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06)}
.nav .btn{padding:8px 14px;font-size:15px;white-space:nowrap}
.nav .sm{display:none}
@media (max-width:520px){.nav .lg{display:none}.nav .sm{display:inline}}
.site-foot{border-top:1px solid var(--line);margin-top:72px;padding-block:28px 40px;color:var(--muted);font-size:15px}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}
.site-foot nav{display:flex;flex-wrap:wrap;gap:18px}
.site-foot a{color:var(--muted)}
@media (max-width:520px){.nav a:not(.btn){padding:8px 6px}.logo{font-size:18px}.logo svg{display:none}}

/* Landing */
.hero{padding-block:48px 24px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero .lede{font-size:clamp(18px,2.2vw,21px);color:var(--muted);margin-top:18px;max-width:52ch}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .fine{margin-top:14px;color:var(--muted);font-size:14px}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero{padding-top:28px}}

.demo{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 18px 50px -24px rgba(20,26,38,.35)}
.demo-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.demo-top strong{font-family:var(--f-display)}
.demo-score{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:600;font-size:15px}
.demo .staff-svg{display:block;width:100%;height:auto}
.demo-msg{min-height:26px;text-align:center;font-weight:600;margin:4px 0 10px}
.demo-msg.good{color:var(--good)} .demo-msg.bad{color:var(--bad)}
.demo-piano{position:relative;display:flex;gap:3px;height:128px;background:#2A2E38;border-radius:12px;padding:6px 6px 5px}
.demo-piano button{flex:1;border:0;border-radius:0 0 8px 8px;background:#FBFAF5;color:#2A2F3D;font:800 15px var(--f-display);display:flex;align-items:flex-end;justify-content:center;padding-bottom:12px;cursor:pointer;position:relative;box-shadow:inset 0 -5px 0 #D9D4C6}
.demo-piano button span{pointer-events:none}
.demo-piano button::after{content:"";position:absolute;left:7px;right:7px;bottom:4px;height:3px;border-radius:2px;background:var(--k)}
.demo-piano button:active{background:#E4E0D4;box-shadow:inset 0 -2px 0 #D9D4C6}
.demo-piano button.good{background:var(--good);color:#fff} .demo-piano button.bad{background:var(--bad);color:#fff}
.demo-piano .bk{position:absolute;top:6px;width:11%;height:58%;background:#16181D;border-radius:0 0 6px 6px;pointer-events:none;box-shadow:inset 0 -4px 0 #000}
.demo-keys{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.demo-keys button{font:800 20px var(--f-display);padding:12px 0;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);cursor:pointer;position:relative}
.demo-keys button::after{content:"";position:absolute;left:10px;right:10px;bottom:5px;height:3px;border-radius:2px;background:var(--k)}
.demo-keys button:active{transform:translateY(1px)}
.demo-keys button.good{background:var(--good);color:#fff} .demo-keys button.bad{background:var(--bad);color:#fff}

.section{padding-block:56px}
.section-head{max-width:640px;margin-bottom:28px}
.section-head p{color:var(--muted);margin-top:10px;font-size:18px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:800 17px var(--f-display);margin-bottom:12px}
.step p{color:var(--muted);margin-top:6px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{padding:4px 0}
.feature p{color:var(--muted);margin-top:6px}
.feature .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--surface-2);margin-bottom:12px}
.feature .ic svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.8}
@media (max-width:860px){.steps,.features{grid-template-columns:1fr}}

.hooks{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.hook{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 18px 14px}
.hook h3{font-size:18px}
.hook p{color:var(--muted);font-size:15px;margin-top:4px}
@media (max-width:700px){.hooks{grid-template-columns:1fr}}

.songs{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;list-style:none;padding:0;margin:0}
.songs li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;justify-content:space-between;gap:10px;align-items:center}
.diff{display:inline-flex;gap:3px}
.diff i{width:7px;height:14px;border-radius:2px;background:var(--line)}
.diff i.on{background:var(--accent)}

.faq{max-width:780px}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font:700 18px var(--f-display);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:24px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin-top:10px}

.cta-band{background:var(--ink);color:var(--bg);border-radius:24px;padding:40px 28px;text-align:center}
.cta-band h2{color:var(--bg)}
.cta-band p{opacity:.8;margin:10px auto 22px;max-width:48ch}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;color:var(--ink);text-decoration:none}
.card:hover{border-color:var(--accent)}
.card h3{font-size:21px}
.card p{color:var(--muted);margin-top:8px;font-size:16px}
.card .meta{margin-top:12px;font-size:14px;color:var(--muted)}

/* Article */
.article{max-width:var(--col);margin:0 auto;padding-top:36px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}
.article h1{font-size:clamp(32px,5vw,48px)}
.article .dek{font-size:20px;color:var(--muted);margin-top:14px}
.byline{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:18px;color:var(--muted);font-size:15px}
.answer{background:var(--accent-soft);border-radius:var(--r);padding:20px 22px;margin:28px 0}
.answer .label{color:var(--accent);margin-bottom:6px}
.answer p+p,.answer ol,.answer ul{margin-top:10px}
.toc{border:1px solid var(--line);border-radius:var(--r);padding:16px 20px;margin:24px 0;background:var(--surface)}
.toc ol{margin:8px 0 0;padding-left:20px}
.toc li{margin:3px 0}
.prose h2{margin-top:52px;margin-bottom:14px;scroll-margin-top:80px}
.prose h3{margin-top:30px;margin-bottom:8px;scroll-margin-top:80px}
.prose p,.prose ul,.prose ol,.prose table,.prose blockquote{margin:0 0 18px}
.prose li{margin:4px 0}
.prose strong{font-weight:700}
.prose code{font-size:.9em;background:var(--surface-2);padding:2px 6px;border-radius:6px}
.prose blockquote{border-left:4px solid var(--accent);padding:4px 0 4px 18px;color:var(--muted)}
.prose table{border-collapse:collapse;width:100%;font-size:16px;display:block;overflow-x:auto}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{font-family:var(--f-display);font-weight:700}
figure.music{margin:26px 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 14px 10px}
figure.music svg{display:block;width:100%;height:auto}
figure.music figcaption{color:var(--muted);font-size:14px;text-align:center;margin-top:6px}
.practice{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;background:var(--surface);border:1.5px solid var(--accent);border-radius:var(--r);padding:16px 18px;margin:26px 0}
.practice p{margin:0;font-weight:600}
.practice .btn{padding:10px 16px;font-size:15px}
.faq-block h3{margin-top:22px}
.author{display:flex;gap:14px;align-items:flex-start;border-top:1px solid var(--line);margin-top:44px;padding-top:22px;color:var(--muted);font-size:15px}
.author .av{width:46px;height:46px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font:800 19px var(--f-display);flex:none}
.author strong{color:var(--ink)}

/* SVG music drawing */
.staff-svg .sl{stroke:currentColor;stroke-width:1.3}
.staff-svg .clef{fill:currentColor;font-family:var(--f-music)}
.staff-svg .nh{fill:none;stroke:currentColor;stroke-width:2}
.staff-svg .nh.fill{fill:currentColor;stroke:none}
.staff-svg .hl{stroke:var(--accent);fill:var(--accent)}
.staff-svg .lbl{font:800 15px var(--f-display);fill:currentColor;text-anchor:middle}
.staff-svg .lbl.hl{fill:var(--accent);stroke:none}
.staff-svg .ann{font:600 12px var(--f-body);fill:var(--muted);text-anchor:middle}
.kb-svg .wk{fill:#FBFAF5;stroke:#9AA0AE;stroke-width:1}
.kb-svg .bk{fill:#16181D}
.kb-svg .wk.hl{fill:var(--accent-soft);stroke:var(--accent);stroke-width:2}
.kb-svg .bk.hl{fill:var(--accent)}
.kb-svg .kl{font:700 13px var(--f-body);text-anchor:middle;fill:#2A2F3D}
.kb-svg .kl.hl{fill:var(--accent);font-weight:800}
.kb-svg .bl{font:700 10px var(--f-body);text-anchor:middle;fill:#fff}
@media (prefers-color-scheme: dark){.kb-svg .wk.hl{fill:#F7D7DC}}

@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}