/* Songbird Reader — website (landing, guide, questions, about, privacy). Calm, warm, storybook. */
:root{
  --paper:#FBF8F2; --paper-2:#F4EEE3; --card:#FFFFFF; --ink:#1E2A2F; --ink-2:#4F5D63; --ink-3:#8A969B; --rule:#ECE6DA;
  --accent:#2F6E8F; --accent-2:#245772; --accent-soft:#E4EFF5; --sun:#F6C453; --sun-soft:#FFF3CF; --rose:#F7A1C4; --leaf:#3FA37C;
  --night:#14233A; --night-2:#1F3554;
  --font:"Lexend",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --display:"Fraunces","Iowan Old Style",Georgia,serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:10px}
@media (prefers-reduced-motion: reduce){ *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important} }
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- header ---------- */
.site-top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-top .wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:500;font-size:1.15rem;margin-right:auto}
.brand b{color:var(--accent);font-weight:600}
.brand svg{width:34px;height:34px}
.nav{display:flex;gap:4px}
.nav a{padding:8px 14px;border-radius:12px;text-decoration:none;color:var(--ink-2);font-size:.95rem;font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{background:var(--paper-2);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 26px;border-radius:28px;border:0;
  background:var(--accent);color:#fff;font:inherit;font-weight:600;font-size:1.02rem;text-decoration:none;cursor:pointer;
  box-shadow:0 10px 26px rgba(47,110,143,.28);transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);background:var(--accent-2);box-shadow:0 14px 30px rgba(47,110,143,.34)}
.btn.soft{background:var(--card);color:var(--ink);box-shadow:none;border:1px solid var(--rule)}
.btn.soft:hover{border-color:var(--accent);background:var(--card)}
.btn.small{min-height:44px;padding:0 18px;font-size:.92rem}
.btn svg{width:18px;height:18px}
@media (max-width:820px){ .nav{display:none} }

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:56px 0 90px}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;
  background:radial-gradient(60% 70% at 85% 20%,#FFE8B8 0%,transparent 60%),radial-gradient(50% 60% at 10% 90%,#DCEBF6 0%,transparent 60%),
  linear-gradient(180deg,#FFF9EE 0%,var(--paper) 100%)}
.cloud{position:absolute;z-index:-1;opacity:.9;animation:drift 40s linear infinite}
.cloud.c1{top:70px;left:-160px;width:180px}
.cloud.c2{top:220px;left:-240px;width:120px;animation-duration:55s;animation-delay:-20s;opacity:.7}
.cloud.c3{top:30px;left:-200px;width:150px;animation-duration:65s;animation-delay:-40s;opacity:.6}
@keyframes drift{to{transform:translateX(calc(100vw + 300px))}}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;border-radius:20px;background:var(--card);border:1px solid var(--rule);
  font-size:.85rem;font-weight:500;color:var(--ink-2);margin:0 0 22px}
.eyebrow i{width:22px;height:22px;border-radius:50%;background:var(--sun-soft);display:inline-flex;align-items:center;justify-content:center;font-style:normal}
.hero h1{font-family:var(--display);font-weight:600;font-size:clamp(2.7rem,6.4vw,4.6rem);line-height:1.02;letter-spacing:-.02em;margin:0 0 20px}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero .lede{font-size:1.18rem;color:var(--ink-2);max-width:34ch;margin:0 0 30px}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.trustline{margin-top:24px;font-size:.88rem;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px 16px}
.trustline span{display:inline-flex;align-items:center;gap:6px}
.trustline span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--leaf)}

/* device mock with a live sing-along */
.device{position:relative;justify-self:center;width:min(420px,100%);border-radius:36px;background:#fff;padding:14px;
  box-shadow:0 40px 80px -30px rgba(30,42,47,.35),0 0 0 1px var(--rule);transform:rotate(-1.5deg);animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:rotate(-1.5deg) translateY(0)}50%{transform:rotate(-1.5deg) translateY(-10px)}}
.device .screen{border-radius:24px;overflow:hidden;background:var(--paper)}
.device .scenebox{aspect-ratio:16/9;line-height:0}
.device .scenebox svg{width:100%;height:100%}
.device .lyrics{padding:18px 20px 8px}
.device .line{font-size:1.55rem;font-weight:500;line-height:1.35;margin:0}
.device .line.next{font-size:1rem;color:var(--ink-3);margin-top:8px;font-weight:400}
.karaoke span{display:inline-block;padding:0 .12em;border-radius:.3em;color:var(--ink-3)}
@media (prefers-reduced-motion: no-preference){
  .karaoke span{animation:lit 7.2s infinite}
  .karaoke span:nth-child(2){animation-delay:.9s}.karaoke span:nth-child(3){animation-delay:1.8s}.karaoke span:nth-child(4){animation-delay:2.7s}
  .karaoke span:nth-child(5){animation-delay:3.6s}.karaoke span:nth-child(6){animation-delay:4.5s}.karaoke span:nth-child(7){animation-delay:5.4s}.karaoke span:nth-child(8){animation-delay:6.3s}
}
@keyframes lit{0%{color:var(--ink-3);background:transparent}1%,12%{color:var(--ink);background:#FFE49A;box-shadow:inset 0 -.12em 0 #E2A92B}13.5%,100%{color:var(--ink);background:transparent;box-shadow:none}}
.device .bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 0 18px}
.device .bar .p{width:58px;height:58px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff}
.device .bar .p svg{width:24px;height:24px}
.device .bar .pill{height:40px;padding:0 14px;border-radius:20px;border:1px solid var(--rule);display:flex;align-items:center;font-size:.85rem;color:var(--ink-2);background:#fff}
.floatbird{position:absolute;width:64px;animation:bob 5s ease-in-out infinite}
.floatbird.b1{top:-26px;right:-18px}
.floatbird.b2{bottom:40px;left:-40px;width:50px;animation-delay:-2s}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-12px) rotate(4deg)}}
.note-float{position:absolute;color:var(--accent);opacity:.6;animation:notes 6s ease-in-out infinite}
.note-float.n1{top:30%;right:-34px;width:26px}
.note-float.n2{top:12%;left:-30px;width:22px;animation-delay:-3s;color:var(--rose)}
@keyframes notes{0%,100%{transform:translateY(0);opacity:.3}50%{transform:translateY(-18px);opacity:.8}}
@media (max-width:920px){ .hero .wrap{grid-template-columns:1fr} .device{margin-top:10px} .floatbird.b2{left:-10px} }

/* ---------- strips and sections ---------- */
.strip{border-block:1px solid var(--rule);background:var(--card)}
.strip .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 40px;padding:22px 24px}
.stat{display:flex;align-items:baseline;gap:8px;color:var(--ink-2);font-size:.95rem}
.stat b{font-family:var(--display);font-size:1.8rem;font-weight:600;color:var(--ink)}
section{padding:96px 0}
.kicker{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.h2{font-family:var(--display);font-weight:600;font-size:clamp(2rem,4.2vw,3rem);line-height:1.08;letter-spacing:-.015em;margin:0 0 16px}
.sub{font-size:1.1rem;color:var(--ink-2);max-width:56ch;margin:0}
.center{text-align:center}.center .sub{margin:0 auto}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;counter-reset:s}
.step{background:var(--card);border:1px solid var(--rule);border-radius:28px;padding:28px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:22px;right:24px;font-family:var(--display);font-size:2.6rem;font-weight:600;color:var(--paper-2)}
.step .ic{width:56px;height:56px;border-radius:18px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.step .ic svg{width:28px;height:28px}
.step h3{margin:0 0 6px;font-size:1.25rem;font-weight:600}
.step p{margin:0;color:var(--ink-2)}
.ic.sky{background:var(--accent-soft);color:var(--accent)}.ic.sun{background:var(--sun-soft);color:#C98A1A}.ic.rose{background:#FDE7F0;color:#C2577F}.ic.leaf{background:#E1F2E9;color:#2E7D5B}
@media (max-width:820px){ .steps{grid-template-columns:1fr} }

/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-top:48px}
.tile{background:var(--card);border:1px solid var(--rule);border-radius:28px;padding:28px;overflow:hidden;position:relative}
.tile h3{margin:0 0 6px;font-size:1.25rem;font-weight:600}
.tile p{margin:0;color:var(--ink-2)}
.t-a{grid-column:span 4}.t-b{grid-column:span 2}.t-c{grid-column:span 2}.t-d{grid-column:span 2}.t-e{grid-column:span 2}.t-f{grid-column:span 6}
.tile.warm{background:linear-gradient(160deg,#FFF6DD,#FFFDF7)}
.tile.cool{background:linear-gradient(160deg,#E6F1F9,#F7FBFE)}
.tile.dark{background:linear-gradient(160deg,var(--night),var(--night-2));color:#E7EEF5;border-color:transparent}
.tile.dark p{color:#B8C7D6}
.tile .demo{margin-top:22px;background:#fff;border-radius:20px;padding:18px 20px;border:1px solid var(--rule)}
.tile .demo .line{font-size:1.4rem;font-weight:500;margin:0}
.meter{margin-top:22px;height:12px;border-radius:6px;background:rgba(255,255,255,.12);position:relative}
.meter .band{position:absolute;left:38%;width:24%;top:0;bottom:0;border-radius:6px;background:rgba(124,213,168,.35)}
.meter .dot{position:absolute;top:50%;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;background:#7CD5A8;box-shadow:0 0 0 4px var(--night);animation:pitch 4s ease-in-out infinite}
@keyframes pitch{0%,100%{left:30%}35%{left:52%}60%{left:47%}80%{left:58%}}
.birdrow{display:flex;gap:6px;margin-top:18px;flex-wrap:wrap}
.birdrow svg{width:46px;height:46px;animation:bob 5s ease-in-out infinite}
.birdrow svg:nth-child(2n){animation-delay:-1.2s}.birdrow svg:nth-child(3n){animation-delay:-2.4s}
.tapdemo{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}
.tapdemo span{font-size:1.3rem;font-weight:500;padding:4px 10px;border-radius:12px;background:var(--paper-2)}
.tapdemo span.heard{background:#fff;box-shadow:0 0 0 3px var(--accent-soft),0 0 0 6px rgba(47,110,143,.15)}
@media (max-width:900px){ .bento{grid-template-columns:1fr 1fr} .t-a,.t-f{grid-column:span 2}.t-b,.t-c,.t-d,.t-e{grid-column:span 1} }
@media (max-width:600px){ .bento{grid-template-columns:1fr} .t-a,.t-b,.t-c,.t-d,.t-e,.t-f{grid-column:span 1} }

/* grades */
.grades{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.grade{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--rule);border-radius:26px;overflow:hidden;text-decoration:none;color:var(--ink);
  transition:transform .25s,box-shadow .25s}
.grade:hover{transform:translateY(-4px);box-shadow:0 24px 40px -24px rgba(30,42,47,.35)}
.grade .scenebox{aspect-ratio:16/9;line-height:0}
.grade .scenebox svg{width:100%;height:100%}
.grade .gtext{padding:18px 20px 20px}
.grade .gname{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.grade .gname b{font-size:1.2rem;font-weight:600}
.grade .gname small{color:var(--ink-3)}
.grade p{margin:4px 0 10px;color:var(--ink-2);font-size:.95rem}
.grade ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.grade li{font-size:.8rem;padding:4px 10px;border-radius:10px;background:var(--paper-2);color:var(--ink-2)}
@media (max-width:900px){ .grades{grid-template-columns:1fr 1fr} }
@media (max-width:600px){ .grades{grid-template-columns:1fr} }

/* principles (dark band) */
.dark-band{background:radial-gradient(70% 90% at 10% 0%,#2A4870,transparent 60%),linear-gradient(160deg,var(--night),#0E1A2C);color:#E7EEF5}
.dark-band .kicker{color:#9CC7E0}
.dark-band .sub{color:#B8C7D6}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.principle{border:1px solid rgba(255,255,255,.1);border-radius:22px;padding:22px;background:rgba(255,255,255,.03)}
.principle b{display:block;font-size:1.08rem;margin-bottom:4px;color:#fff;font-weight:600}
.principle span{color:#B8C7D6;font-size:.95rem}
@media (max-width:820px){ .principles{grid-template-columns:1fr} }

/* story */
.story .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.story .art{border-radius:32px;overflow:hidden;aspect-ratio:4/3;line-height:0;box-shadow:0 30px 60px -30px rgba(30,42,47,.35)}
.story .art svg{width:100%;height:100%}
.quote{font-family:var(--display);font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.25;margin:0 0 18px;font-weight:500}
.story p{color:var(--ink-2)}
@media (max-width:820px){ .story .wrap{grid-template-columns:1fr} }

/* faq */
.faq{max-width:780px;margin:40px auto 0}
.faq details{background:var(--card);border:1px solid var(--rule);border-radius:20px;margin-bottom:10px;padding:0 22px}
.faq summary{list-style:none;cursor:pointer;padding:20px 30px 20px 0;font-weight:600;font-size:1.05rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:16px;font-size:1.6rem;font-weight:400;color:var(--accent);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 20px;color:var(--ink-2)}

/* final cta */
.final{padding:0 0 96px}
.final .box{border-radius:40px;padding:64px 32px;text-align:center;position:relative;overflow:hidden;
  background:radial-gradient(60% 80% at 80% 10%,#FFE8B8,transparent 60%),radial-gradient(60% 80% at 10% 100%,#CFE6F5,transparent 60%),#FFFBF3;border:1px solid var(--rule)}
.final .h2{margin-bottom:12px}
.final .cta{justify-content:center;margin-top:26px}

/* footer */
.site-foot{border-top:1px solid var(--rule);background:var(--card)}
.site-foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding:44px 24px}
.site-foot p{color:var(--ink-3);font-size:.9rem;margin:10px 0 0;max-width:36ch}
.site-foot h4{margin:0 0 10px;font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);font-weight:600}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-foot a{color:var(--ink-2);text-decoration:none;font-size:.95rem}
.site-foot a:hover{color:var(--accent)}
.site-foot .base{grid-column:1/-1;border-top:1px solid var(--rule);padding-top:18px;color:var(--ink-3);font-size:.85rem}
@media (max-width:700px){ .site-foot .wrap{grid-template-columns:1fr 1fr} .site-foot .wrap>div:first-child{grid-column:1/-1} }

/* ---------- inner pages ---------- */
.page-hero{padding:64px 0 28px;background:linear-gradient(180deg,#FFF9EE,var(--paper))}
.page-hero h1{font-family:var(--display);font-weight:600;font-size:clamp(2.2rem,5vw,3.4rem);line-height:1.05;margin:0 0 12px;letter-spacing:-.015em}
.page-hero p{color:var(--ink-2);font-size:1.12rem;max-width:56ch;margin:0}
.doc{display:grid;grid-template-columns:230px 1fr;gap:48px;padding:28px 24px 96px}
.toc{position:sticky;top:96px;align-self:start;display:grid;gap:4px}
.toc a{padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--ink-2);font-size:.92rem}
.toc a:hover{background:var(--paper-2);color:var(--ink)}
.prose{max-width:68ch}
.prose h2{font-family:var(--display);font-weight:600;font-size:1.8rem;margin:44px 0 12px;scroll-margin-top:96px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.15rem;margin:26px 0 8px}
.prose p,.prose li{color:var(--ink-2)}
.prose ul,.prose ol{padding-left:1.2em}
.prose li{margin:.35em 0}
.prose .callout{background:var(--card);border:1px solid var(--rule);border-left:4px solid var(--accent);border-radius:16px;padding:16px 20px;margin:20px 0}
.prose .callout.warm{border-left-color:var(--sun)}
.prose kbd{font:inherit;font-size:.85em;background:var(--card);border:1px solid var(--rule);border-radius:6px;padding:1px 7px}
@media (max-width:820px){ .doc{grid-template-columns:1fr} .toc{position:static;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))} }

.step,.tile{text-align:left}
.brand span,.btn{white-space:nowrap}
@media (max-width:520px){
  .site-top .wrap{gap:10px;height:64px}
  .brand{font-size:1rem}
  .brand svg{width:30px;height:30px}
  .btn.small{min-height:40px;padding:0 14px;font-size:.85rem}
  section{padding:72px 0}
  .hero{padding:36px 0 64px}
}