/* ==========================================================================
   PianEd — "Ebony & Champagne"
   One stylesheet for the whole site. Tokens mirror lib/theme/tokens.dart
   in the Android app, so the site and the product are the same object.
   ========================================================================== */

/* Self-hosted, subset to Latin. No third-party font CDN is contacted at
   any point — the app made the same choice for the same two reasons:
   an offline first load, and no undisclosed third-party request. */
@font-face{font-family:'Lora';src:url('/assets/fonts/lora-400.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Lora';src:url('/assets/fonts/lora-600.woff2') format('woff2');
  font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/fonts/inter-400.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/fonts/inter-500.woff2') format('woff2');
  font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/fonts/inter-600.woff2') format('woff2');
  font-weight:600;font-style:normal;font-display:swap}

:root{
  --ebony:#0D0E10;
  --ebony-raised:#181A1E;
  --ebony-elevated:#202329;
  --ebony-border:#35383E;
  --ivory:#F6F2E8;
  --ivory-muted:#B8B4AA;
  --brass:#D6AE55;
  --brass-bright:#E6C46C;
  --brass-deep:#957530;
  --success:#85C89A;
  --error:#E58E85;
  --serif:'Lora',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --wrap:1200px;
  --r-card:16px;
  --r-pill:999px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ebony);color:var(--ivory);
  font-family:var(--sans);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,picture{max-width:100%;height:auto;display:block}
a{color:var(--brass);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--brass-bright)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3.4vw,2.35rem)}
h3{font-size:clamp(1.12rem,1.8vw,1.32rem)}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--sans);font-size:.76rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brass);margin:0 0 .6em;font-weight:600}
.lead{color:var(--ivory-muted);font-size:1.06rem;max-width:62ch}
.muted{color:var(--ivory-muted)}
.center{text-align:center}
.mx{margin-left:auto;margin-right:auto}

.skip{position:absolute;left:-9999px;top:0;background:var(--brass);color:var(--ebony);
  padding:12px 20px;z-index:200;font-weight:600;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ------------------------------------------------------------ header --- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(13,14,16,.9);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--ebony-border)}
.site-header .wrap{display:flex;align-items:center;gap:16px;
  padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);
  font-size:1.3rem;color:var(--ivory);text-decoration:none;font-weight:600}
.brand img{width:30px;height:30px;border-radius:7px}
.brand em{color:var(--brass);font-style:normal}
.nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav a{color:var(--ivory-muted);text-decoration:none;font-size:.94rem}
.nav a:hover,.nav a[aria-current="page"]{color:var(--brass)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brass);color:var(--ebony);text-decoration:none;font-weight:600;
  padding:13px 24px;border-radius:10px;min-height:48px;border:1px solid var(--brass);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn:hover{background:var(--brass-bright);color:var(--ebony);transform:translateY(-1px);
  box-shadow:0 8px 26px rgba(214,174,85,.22)}
.btn-sm{padding:9px 16px;min-height:40px;font-size:.92rem}
.btn-ghost{background:transparent;color:var(--brass);border:1px solid var(--brass-deep)}
.btn-ghost:hover{background:rgba(214,174,85,.10);color:var(--brass-bright);box-shadow:none}
.menu-toggle{display:none;background:none;border:1px solid var(--ebony-border);
  color:var(--ivory);border-radius:8px;width:44px;height:44px;font-size:1.2rem;
  cursor:pointer;margin-left:auto}
@media(max-width:900px){
  .nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--ebony-raised);border-bottom:1px solid var(--ebony-border);
    padding:8px 24px 20px;margin:0;display:none}
  .nav a{padding:14px 0;border-bottom:1px solid var(--ebony-border);font-size:1rem}
  .nav .btn{margin-top:14px;border-bottom:none}
  .site-header.open .nav{display:flex}
  .menu-toggle{display:block}
}

/* -------------------------------------------------------------- hero --- */
.hero{padding:72px 0 64px;position:relative;
  background:radial-gradient(ellipse at 50% -20%,rgba(214,174,85,.11),transparent 62%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin-bottom:.4em}
.hero .lead{font-size:1.14rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.chips{display:flex;flex-wrap:wrap;gap:9px;padding:0;margin:0;list-style:none}
.pill{display:inline-block;background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:var(--r-pill);padding:7px 15px;font-size:.85rem;color:var(--ivory-muted)}
.pill b{color:var(--brass);font-weight:600}
@media(max-width:900px){
  .hero{padding:44px 0 48px}
  .hero .wrap{grid-template-columns:1fr;gap:34px}
}

/* --------------------------------------------------------- app shots --- */
.app-shot{border:1px solid var(--ebony-border);border-radius:var(--r-card);
  overflow:hidden;background:var(--ebony-raised)}
.app-shot img{width:100%;height:auto}

/* --------------------------------------------------------- sections --- */
section{padding:66px 0;border-top:1px solid var(--ebony-border)}
section.plain{border-top:none}
.section-head{max-width:64ch;margin-bottom:8px}

.feature-grid{display:grid;gap:20px;margin-top:34px;
  grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.card{background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:var(--r-card);padding:26px;transition:border-color .2s ease,transform .2s ease}
.card:hover{border-color:var(--brass-deep);transform:translateY(-2px)}
.card h3{margin-bottom:.4em}
.card p{color:var(--ivory-muted);font-size:.97rem;margin-bottom:.7em}
.card .more{font-size:.92rem;font-weight:600;text-decoration:none}

.stat-strip{display:grid;gap:16px;margin-top:34px;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.stat{background:var(--ebony-elevated);border:1px solid var(--ebony-border);
  border-radius:14px;padding:22px 14px;text-align:center}
.stat b{display:block;font-family:var(--serif);font-size:2.1rem;color:var(--brass);
  line-height:1.1}
.stat span{color:var(--ivory-muted);font-size:.87rem}

.media-split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  margin-top:34px}
.media-split.reverse .media-split-text{order:2}
@media(max-width:900px){
  .media-split{grid-template-columns:1fr;gap:30px}
  .media-split.reverse .media-split-text{order:0}
}
.media-split ul{margin:0 0 1em;padding-left:1.1em;color:var(--ivory-muted)}
.media-split li{margin-bottom:.45em}

/* ------------------------------------------------------- curriculum --- */
.curriculum{margin-top:32px;border-top:1px solid var(--ebony-border)}
.level{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--ebony-border)}
.level-num{flex:0 0 52px;height:52px;border-radius:13px;background:rgba(214,174,85,.12);
  border:1px solid var(--brass-deep);color:var(--brass);display:flex;
  align-items:center;justify-content:center;font-family:var(--serif);font-size:1.15rem;
  font-weight:600}
.level h3{margin-bottom:.2em}
.level p{color:var(--ivory-muted);font-size:.96rem;margin:0}
.tag{display:inline-block;margin-left:8px;background:rgba(214,174,85,.14);
  color:var(--brass);font-size:.68rem;letter-spacing:.06em;padding:3px 9px;
  border-radius:var(--r-pill);vertical-align:middle;font-weight:600}

/* ------------------------------------------------------- comparison --- */
.comparison{width:100%;border-collapse:collapse;margin-top:30px;font-size:.95rem}
.comparison th,.comparison td{text-align:left;padding:13px 14px;
  border-bottom:1px solid var(--ebony-border);vertical-align:top}
.comparison thead th{color:var(--brass);font-family:var(--sans);font-size:.8rem;
  letter-spacing:.08em;text-transform:uppercase}
.comparison td:first-child{color:var(--ivory-muted)}
.comparison .yes{color:var(--success)}
.comparison .no{color:var(--ivory-muted)}
.table-scroll{overflow-x:auto}

/* ------------------------------------------------------------- blog --- */
.blog-grid{display:grid;gap:20px;margin-top:32px;
  grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.post-card{background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column}
.post-card:hover{border-color:var(--brass-deep)}
.post-card h3{font-size:1.12rem;margin-bottom:.4em}
.post-card h3 a{color:var(--ivory);text-decoration:none}
.post-card h3 a:hover{color:var(--brass)}
.post-card p{color:var(--ivory-muted);font-size:.95rem;flex:1}
.post-meta{font-size:.78rem;color:var(--ivory-muted);letter-spacing:.04em;
  text-transform:uppercase;margin-bottom:.7em}
.post-meta .cat{color:var(--brass);font-weight:600}

/* ---------------------------------------------------------- article --- */
.article-shell{max-width:74ch;margin:0 auto;padding:0 24px}
.article-shell h2{margin-top:1.8em}
.article-shell h3{margin-top:1.4em}
.article-shell ul,.article-shell ol{color:var(--ivory-muted);padding-left:1.2em}
.article-shell li{margin-bottom:.5em}
.article-shell p{color:var(--ivory)}
.breadcrumb{font-size:.85rem;color:var(--ivory-muted);padding:22px 0 0;margin:0;
  list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li::after{content:'›';margin-left:6px;color:var(--ebony-border)}
.breadcrumb li:last-child::after{content:''}
.breadcrumb a{text-decoration:none}
.toc{background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:var(--r-card);padding:20px 24px;margin:28px 0}
.toc p{font-weight:600;margin:0 0 .5em;font-family:var(--serif)}
.toc ol{margin:0;padding-left:1.2em}
.toc li{margin-bottom:.3em;font-size:.95rem}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}
.callout{background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-left:3px solid var(--brass);border-radius:12px;padding:20px 24px;margin:28px 0}
.callout p:last-child{margin-bottom:0}
.related{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  margin-top:16px;padding:0;list-style:none}
.related a{display:block;background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:12px;padding:16px 18px;text-decoration:none;color:var(--ivory);
  font-size:.95rem}
.related a:hover{border-color:var(--brass-deep);color:var(--brass)}

/* ---------------------------------------------------------- cta band --- */
.cta-band{text-align:center;
  background:radial-gradient(ellipse at 50% 130%,rgba(214,174,85,.13),transparent 62%)}
.cta-band .lead{margin-left:auto;margin-right:auto}

/* ------------------------------------------------------------- docs --- */
.pagehead{padding:44px 0 26px;border-bottom:1px solid var(--ebony-border)}
.pagehead h1{font-size:clamp(1.8rem,4.4vw,2.4rem);margin-bottom:.2em}
.updated{color:var(--ivory-muted);font-size:.9rem;margin:0}
main.doc{padding:34px 0 56px}
main.doc h2{font-size:1.24rem;margin:2em 0 .5em;color:var(--brass);font-family:var(--serif)}
main.doc h3{font-size:1.04rem;margin:1.5em 0 .4em}
main.doc li{margin-bottom:.5em}
main.doc ul,main.doc ol{padding-left:1.2em}
.box{background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:12px;padding:20px 22px;margin:22px 0}
.box p:last-child{margin-bottom:0}
.box.warn{border-color:var(--error)}
.box.warn strong{color:var(--error)}
table.data{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem}
table.data th,table.data td{text-align:left;padding:11px;
  border-bottom:1px solid var(--ebony-border);vertical-align:top}
table.data th{color:var(--brass)}
.step{display:flex;gap:14px;margin-bottom:14px}
.num{flex:0 0 28px;height:28px;border-radius:50%;background:var(--brass);
  color:var(--ebony);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.9rem}
details.faq{background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:12px;padding:18px 22px;margin-bottom:12px}
details.faq[open]{border-color:var(--brass-deep)}
details.faq summary{cursor:pointer;font-size:1.02rem;font-weight:500;list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:'+';float:right;color:var(--brass);font-size:1.3rem;
  line-height:1}
details.faq[open] summary::after{content:'\2212'}
details.faq p{color:var(--ivory-muted);margin:.8em 0 0;font-size:.97rem}

/* ------------------------------------------------------------ forms --- */
.formcard{background:var(--ebony-raised);border:1px solid var(--ebony-border);
  border-radius:var(--r-card);padding:30px;max-width:460px;margin:40px auto}
label{display:block;font-size:.9rem;color:var(--ivory-muted);margin-bottom:6px}
input{width:100%;padding:13px 14px;background:var(--ebony);
  border:1px solid var(--ebony-border);border-radius:8px;color:var(--ivory);
  font-family:inherit;font-size:1rem;margin-bottom:16px}
input:focus{outline:none;border-color:var(--brass)}
button{width:100%;padding:14px;background:var(--brass);color:var(--ebony);border:none;
  border-radius:8px;font-family:inherit;font-size:1.02rem;font-weight:600;cursor:pointer;
  min-height:48px}
button:disabled{opacity:.55;cursor:not-allowed}
.msg{padding:13px;border-radius:8px;margin-bottom:18px;font-size:.93rem;display:none}
.msg.err{background:rgba(229,142,133,.12);border:1px solid var(--error);
  color:var(--error);display:block}
.msg.ok{background:rgba(133,200,154,.12);border:1px solid var(--success);
  color:var(--success);display:block}
.hint{color:var(--ivory-muted);font-size:.86rem;margin-top:16px;text-align:center}

/* ----------------------------------------------------------- footer --- */
.site-footer{border-top:1px solid var(--ebony-border);padding:48px 0 40px;
  color:var(--ivory-muted);font-size:.92rem}
.footer-cols{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.footer-cols h4{font-family:var(--sans);font-size:.78rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brass);margin:0 0 .8em}
.footer-cols ul{list-style:none;margin:0;padding:0}
.footer-cols li{margin-bottom:.5em}
.footer-cols a{color:var(--ivory-muted);text-decoration:none}
.footer-cols a:hover{color:var(--brass)}
.copyright{margin-top:34px;padding-top:22px;border-top:1px solid var(--ebony-border);
  font-size:.85rem;color:#7A7A72}

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

/* -------------------------------------------------- reset-password.html --
   That page's markup and JavaScript are deliberately left byte-for-byte
   unchanged, because it is a live part of the auth system. These few rules
   exist so the old class names still resolve against the new palette. */
body.page-form{display:flex;flex-direction:column;min-height:100vh}
body.page-form main{flex:1}
.wrap-form{max-width:560px;margin:0 auto;padding:0 24px}
.formhead{padding:26px 0;border-bottom:1px solid var(--ebony-border)}
.formhead .brand{font-size:1.35rem}
.brandtext em{color:var(--brass);font-style:normal}
.formcard h1{font-size:1.55rem;margin-bottom:.3em}
.formcard .sub{color:var(--ivory-muted);font-size:.97rem;margin-bottom:1.4em}
body.page-form footer{border-top:1px solid var(--ebony-border);padding:28px 0}
body.page-form footer nav{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
body.page-form footer a{color:var(--ivory-muted);text-decoration:none;font-size:.9rem}
body.page-form footer a:hover{color:var(--brass)}

/* ----------------------------------------------------------------- 404 --- */
.notfound{padding:110px 0 120px;text-align:center;
  background:radial-gradient(ellipse at 50% 0%,rgba(214,174,85,.10),transparent 62%)}
.notfound .lead{margin:0 auto 28px}
.notfound .altlinks{margin-top:22px;font-size:.92rem;color:var(--ivory-muted)}

/* ------------------------------------------------------------ utility --- */
.mt-4{margin-top:26px}
.mt-6{margin-top:38px}

/* --------------------------------------------------------- corrections --- */
/* .nav a is more specific than .btn, so the header CTA needs saying twice
   or its label inherits the muted link colour and loses its contrast. */
.nav a.btn,.nav a.btn:hover{color:var(--ebony)}

/* The promotional posters are 800x1421. Left unbounded in a half-width
   column they dominate the section, so cap them and centre them. */
.hero .app-shot,.media-split .app-shot{max-width:400px;width:100%;
  margin-left:auto;margin-right:auto}
figure.app-shot{margin:0}
@media(max-width:900px){
  .hero .app-shot,.media-split .app-shot{max-width:320px}
}

/* Standalone links get a real touch target. Links inside a sentence keep
   their inline height, which is what WCAG expects of them. */
.card .more,.article-shell .more,.more{display:inline-block;padding:10px 0}
.footer-cols li{margin-bottom:0}
.footer-cols a{display:inline-block;padding:9px 0}
.breadcrumb a{display:inline-block;padding:6px 0}
.related a{min-height:48px;display:flex;align-items:center}