:root{
  --ink:#173f50;
  --ink-soft:#526e77;
  --teal:#2d8d91;
  --sky:#dff3f2;
  --cream:#fffaf0;
  --paper:#fffdf7;
  --coral:#e86b59;
  --gold:#f4b73f;
  --leaf:#77a94d;
  --blue:#2d7eab;
  --purple:#7d63aa;
  --line:rgba(23,63,80,.14);
  --shadow:0 24px 70px rgba(29,73,87,.14);
  --display:"Cooper Black","Rockwell Extra Bold","Bookman Old Style",Georgia,serif;
  --body:"Avenir Next","Trebuchet MS","Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);overflow-x:hidden}
button,a{font:inherit}
button{color:inherit}
a{color:inherit}
img{display:block;max-width:100%}
.skip-link{position:fixed;z-index:100;left:18px;top:-100px;padding:10px 15px;border-radius:12px;background:var(--ink);color:#fff}
.skip-link:focus{top:12px}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

.site-head{position:sticky;z-index:40;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px;padding:13px clamp(20px,5vw,72px);background:rgba(255,253,247,.9);border-bottom:1px solid rgba(23,63,80,.1);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:11px;width:max-content;text-decoration:none;font-size:20px;font-weight:900;letter-spacing:.01em}
.brand-dots{display:flex;gap:5px}.brand-dots i{display:block;width:17px;height:17px;border-radius:50%;background:var(--coral);box-shadow:0 2px 0 rgba(0,0,0,.08)}.brand-dots i+i{background:var(--leaf)}
nav{display:flex;gap:28px}nav a{position:relative;text-decoration:none;font-size:13px;font-weight:800;color:#496670}nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;border-radius:99px;background:var(--coral);transition:right .2s ease}nav a:hover::after,nav a:focus-visible::after{right:0}
.book-chip{justify-self:end;padding:8px 12px;border:1px solid rgba(173,82,66,.17);border-radius:999px;background:#fff7ea;color:#aa5548;font-size:10px;font-weight:900;letter-spacing:.12em}

main{overflow:hidden}
.hero{position:relative;isolation:isolate;min-height:760px;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.8fr);align-items:center;gap:clamp(40px,7vw,110px);padding:clamp(62px,8vw,112px) clamp(24px,7vw,112px) 96px;background:radial-gradient(circle at 13% 16%,rgba(255,255,255,.95) 0 3px,transparent 4px) 0 0/38px 38px,radial-gradient(circle at 84% 17%,rgba(244,183,63,.16),transparent 27%),linear-gradient(145deg,#e8f7f6 0 58%,#fff3d2 100%)}
.hero::after{content:"";position:absolute;z-index:-1;left:-5%;right:-5%;bottom:-52px;height:105px;background:var(--paper);border-radius:50% 50% 0 0/72% 72% 0 0}
.hero-copy{position:relative;z-index:2;max-width:760px}
.eyebrow{margin:0;color:var(--teal);font-size:11px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
.hero h1{max-width:820px;margin:16px 0 23px;font:900 clamp(50px,6.4vw,92px)/.95 var(--display);letter-spacing:-.045em;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--coral)}
.intro{max-width:660px;margin:0;font-size:clamp(17px,1.65vw,21px);line-height:1.62;color:#4e6974}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:17px 22px;margin-top:30px}
.primary-action{display:inline-flex;align-items:center;gap:19px;padding:15px 20px 15px 24px;border-radius:18px;background:var(--ink);color:white;text-decoration:none;font-size:14px;font-weight:900;box-shadow:0 12px 25px rgba(23,63,80,.22);transition:transform .2s ease,box-shadow .2s ease}
.primary-action span{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:rgba(255,255,255,.15)}
.primary-action:hover,.primary-action:focus-visible{transform:translateY(-3px);box-shadow:0 18px 33px rgba(23,63,80,.25)}
.quiet-promise{font-size:12px;font-weight:800;color:#657b81}
.production-pill{display:inline-flex;align-items:center;gap:9px;margin-top:23px;padding:9px 13px;border:1px solid rgba(45,141,145,.2);border-radius:999px;background:rgba(255,255,255,.62);font-size:12px;font-weight:800;color:#497176}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(244,183,63,.5);animation:pulse 2.2s infinite}
@keyframes pulse{60%{box-shadow:0 0 0 8px rgba(244,183,63,0)}100%{box-shadow:0 0 0 0 rgba(244,183,63,0)}}

.cover-stage{position:relative;justify-self:center;width:min(42vw,520px);transform:rotate(1.5deg)}
.cover-stage img{position:relative;z-index:2;width:100%;border:9px solid #fff;border-radius:32px;box-shadow:0 30px 80px rgba(35,79,91,.24)}
.cover-halo{position:absolute;inset:8% -12% -7%;border-radius:46% 54% 45% 55%;background:rgba(255,255,255,.5);filter:blur(2px);transform:rotate(-7deg)}
.float-vowel{position:absolute;z-index:3;display:grid;place-items:center;width:62px;height:62px;border:3px solid rgba(255,255,255,.95);border-radius:50%;background:rgba(255,255,255,.88);font:900 27px/1 Georgia;color:var(--coral);box-shadow:0 13px 26px rgba(32,84,99,.19);animation:float 4.8s ease-in-out infinite}
.fv-a{left:-9%;top:16%}.fv-o{right:-9%;top:37%;color:#ca8b13;animation-delay:-1.1s}.fv-v{left:-5%;bottom:8%;color:var(--purple);animation-delay:-2.3s}
@keyframes float{50%{transform:translateY(-9px) rotate(3deg)}}

.sound-section{padding:100px clamp(22px,7vw,112px) 96px;background:var(--paper)}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:45px;max-width:1240px;margin:0 auto 38px}
.section-heading h2,.player-copy h2,.how-intro h2,.grownup h2,.creator h2{margin:9px 0 0;font:900 clamp(34px,4vw,53px)/1.03 var(--display);letter-spacing:-.025em}
.section-heading>p{max-width:430px;margin:0;font-size:14px;line-height:1.62;color:#647981}
.sound-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;max-width:1240px;margin:auto}
.sound-card{--accent:var(--teal);position:relative;min-width:0;min-height:252px;padding:0;border:1px solid var(--line);border-radius:30px;background:#fff;overflow:hidden;text-align:left;cursor:pointer;box-shadow:0 10px 28px rgba(41,77,87,.08);transition:transform .2s ease,box-shadow .2s ease}
.sound-card:hover,.sound-card:focus-visible{transform:translateY(-6px) rotate(-.35deg);box-shadow:0 20px 38px rgba(41,77,87,.15);outline:3px solid color-mix(in srgb,var(--accent) 45%,white);outline-offset:3px}
.sound-card[aria-pressed="true"]{outline:4px solid var(--accent);outline-offset:3px}
.card-art{position:relative;display:block;height:126px;overflow:hidden;background:var(--card,#e8f5f5)}
.card-art img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.sound-card:hover .card-art img{transform:scale(1.045)}
.symbol-orb{position:absolute;left:17px;bottom:-26px;display:grid;place-items:center;width:67px;height:67px;border:5px solid #fff;border-radius:50%;background:var(--accent);color:#fff;font:900 34px/1 Georgia;box-shadow:0 9px 18px rgba(30,71,81,.18)}
.card-copy{display:block;padding:36px 19px 19px}.card-copy h3{margin:0 0 5px;font-size:17px;line-height:1.15}.card-copy p{margin:0;min-height:36px;color:#6b7d82;font-size:12px;line-height:1.45}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px}.page-number{font-size:10px;font-weight:900;letter-spacing:.08em;color:#73868a}.card-state{display:inline-flex;align-items:center;gap:5px;padding:6px 8px;border-radius:99px;background:#fff5d9;color:#9b6a0a;font-size:9px;font-weight:900;letter-spacing:.06em;text-transform:uppercase}.card-state::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}

.player-shell{--active:var(--teal);position:relative;display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:48px;max-width:1120px;margin:20px auto 100px;padding:42px;border:1px solid var(--line);border-radius:42px;background:linear-gradient(145deg,#fff 62%,color-mix(in srgb,var(--active) 9%,white));box-shadow:var(--shadow)}
.player-shell[hidden]{display:none}
.close-player{position:absolute;z-index:5;right:18px;top:17px;display:grid;place-items:center;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.88);box-shadow:0 5px 16px rgba(36,70,82,.11);font-size:29px;cursor:pointer}.close-player:hover,.close-player:focus-visible{background:var(--ink);color:#fff}
.lesson-visual{position:relative;align-self:start;min-width:0}.lesson-visual img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:34px;box-shadow:0 18px 36px rgba(35,73,85,.16)}
.player-symbol{position:absolute;right:-19px;bottom:-19px;display:grid;place-items:center;width:102px;height:102px;border:7px solid #fff;border-radius:50%;background:var(--active);color:#fff;font:900 55px/1 Georgia;box-shadow:0 15px 30px rgba(29,72,84,.2)}
.player-copy{padding:8px 14px 4px 0}.player-copy h2{font-size:45px}.player-tip{margin:13px 0 0;font-size:16px;line-height:1.58;color:#58717a}
.track-list{display:grid;gap:9px;margin-top:24px}
.track{--progress:0%;position:relative;display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:13px;align-items:center;width:100%;min-height:66px;padding:9px 13px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.82);overflow:hidden;text-align:left}
.track[data-track="guide"],.track[data-track="gesture"]{background:linear-gradient(105deg,color-mix(in srgb,var(--active) 8%,white),rgba(255,255,255,.9));border-style:dashed}
.track::after{content:"";position:absolute;left:0;bottom:0;width:var(--progress);height:3px;background:var(--active);transition:width .12s linear}
.track:not(:disabled){cursor:pointer}.track:not(:disabled):hover,.track:not(:disabled):focus-visible{border-color:color-mix(in srgb,var(--active) 55%,white);box-shadow:0 7px 18px rgba(31,74,86,.1);outline:0}.track:disabled{cursor:default;opacity:.68}
.track-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--active);color:#fff;font-size:15px;box-shadow:inset 0 -4px rgba(0,0,0,.08)}
.track.is-playing .track-icon{background:var(--coral)}
.track-label{display:block;font-size:13px;font-weight:900}.track-hint{display:block;margin-top:3px;color:#728488;font-size:11px;line-height:1.25}.track-state{padding:6px 8px;border-radius:99px;background:#edf3f2;color:#728184;font-size:9px;font-weight:900;letter-spacing:.05em;text-transform:uppercase}.track:not(:disabled) .track-state{background:#e1f3e7;color:#38764a}
.recording-note{margin:18px 0 0;padding:13px 15px;border-left:5px solid var(--gold);border-radius:0 12px 12px 0;background:#fff7dd;color:#6c644d;font-size:12px;line-height:1.5}

.how-section{position:relative;display:grid;grid-template-columns:.75fr 1.25fr;gap:75px;align-items:center;padding:100px clamp(24px,8vw,130px);background:linear-gradient(135deg,#f2f8e9,#dff3f2)}
.how-section::before{content:"";position:absolute;right:8%;top:12%;width:130px;height:130px;border:24px solid rgba(255,255,255,.34);border-radius:50%}
.how-intro{position:relative;z-index:2}.how-intro h2{font-size:54px}.how-intro>p:last-child{max-width:430px;color:#5d757a;font-size:15px;line-height:1.6}
.steps{position:relative;z-index:2;display:grid;gap:14px;margin:0;padding:0;list-style:none}.steps li{display:grid;grid-template-columns:58px 1fr;gap:17px;align-items:center;padding:19px 23px;border:1px solid rgba(23,63,80,.1);border-radius:24px;background:rgba(255,255,255,.76);box-shadow:0 9px 23px rgba(34,73,81,.07)}.steps li>span{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:var(--coral);color:#fff;font:900 24px/1 var(--display)}.steps li:nth-child(2)>span{background:var(--blue)}.steps li:nth-child(3)>span{background:var(--leaf)}.steps h3{margin:0 0 4px;font:900 20px/1.1 var(--display)}.steps p{margin:0;color:#60777b;font-size:13px;line-height:1.45}

.grownup{display:grid;grid-template-columns:120px 1fr;gap:32px;align-items:center;max-width:1080px;margin:95px auto;padding:38px 45px;border:3px solid var(--ink);border-radius:34px;background:#fff4d8;box-shadow:12px 14px 0 #dff0ee;transform:rotate(-.35deg)}
.grownup-stamp{display:grid;place-items:center;width:108px;height:108px;border:3px solid var(--coral);border-radius:50%;color:#aa5145;font:900 14px/1.15 var(--body);text-align:center;transform:rotate(-8deg)}
.grownup h2{font-size:34px}.grownup p:last-child{margin-bottom:0;color:#5b7078;font-size:14px;line-height:1.6}

.creator{display:grid;grid-template-columns:150px minmax(0,590px);justify-content:center;gap:31px;align-items:center;padding:80px 24px;background:#edf7f5}
.creator img{width:150px;height:150px;object-fit:cover;border:7px solid #fff;border-radius:35% 65% 46% 54%;box-shadow:0 16px 35px rgba(33,73,83,.17);transform:rotate(-3deg)}
.creator h2{font-size:34px}.creator h2 small{display:inline-block;margin-left:7px;color:var(--coral);font:800 18px/1 var(--body)}.creator p:last-child{margin-bottom:0;color:#5d7378;font-size:14px;line-height:1.55}

footer{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:30px clamp(24px,7vw,110px);background:var(--ink);color:#dce9e9;font-size:11px;line-height:1.5}footer>div{display:flex;align-items:center;gap:13px}.footer-brand{color:#fff;font-size:16px;font-weight:900}footer p{margin:0;text-align:right}

@media(max-width:980px){
  .site-head{grid-template-columns:1fr auto}.site-head nav{display:none}.book-chip{grid-column:2}
  .hero{min-height:auto;grid-template-columns:1fr;padding-top:55px}.hero-copy{order:2}.cover-stage{order:1;width:min(76vw,490px)}.hero h1{font-size:clamp(48px,10vw,76px)}
  .sound-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .player-shell{grid-template-columns:270px minmax(0,1fr);margin-inline:24px}
  .how-section{grid-template-columns:1fr;gap:35px}
}

@media(max-width:700px){
  html{scroll-padding-top:70px}.site-head{padding:11px 16px}.brand{font-size:17px}.brand-dots i{width:14px;height:14px}.book-chip{font-size:8px;padding:7px 9px}
  .hero{gap:45px;padding:35px 19px 76px}.hero h1{font-size:47px}.intro{font-size:16px}.cover-stage{width:min(84vw,420px)}.float-vowel{width:50px;height:50px;font-size:22px}.fv-a{left:-4%}.fv-o{right:-5%}.fv-v{left:-2%}
  .sound-section{padding:75px 16px}.section-heading{align-items:start;flex-direction:column;gap:14px}.section-heading h2{font-size:36px}.section-heading>p{font-size:13px}
  .sound-grid{gap:11px}.sound-card{min-height:218px;border-radius:23px}.card-art{height:104px}.symbol-orb{left:13px;bottom:-23px;width:58px;height:58px;border-width:4px;font-size:29px}.card-copy{padding:31px 14px 14px}.card-copy h3{font-size:15px}.card-copy p{font-size:11px}.card-state{padding:5px 6px;font-size:8px}.page-number{font-size:9px}
  .player-shell{grid-template-columns:1fr;gap:29px;margin:8px 14px 75px;padding:25px 17px 24px;border-radius:31px}.lesson-visual{width:min(76vw,310px)}.player-symbol{right:-12px;bottom:-12px;width:82px;height:82px;border-width:6px;font-size:45px}.player-copy{padding:0}.player-copy h2{font-size:36px}.track{grid-template-columns:45px minmax(0,1fr);padding:9px 10px}.track-state{display:none}
  .how-section{padding:75px 18px}.how-intro h2{font-size:43px}.steps li{grid-template-columns:49px 1fr;padding:15px}.steps li>span{width:46px;height:46px}
  .grownup{grid-template-columns:1fr;margin:72px 16px;padding:28px 22px;box-shadow:7px 9px 0 #dff0ee}.grownup-stamp{width:84px;height:84px;font-size:12px}.grownup h2{font-size:29px}
  .creator{grid-template-columns:100px 1fr;gap:20px;padding:60px 19px}.creator img{width:100px;height:100px;border-width:5px}.creator h2{font-size:25px}.creator h2 small{display:block;margin:5px 0 0;font-size:14px}.creator p:last-child{font-size:12px}
  footer{align-items:flex-start;flex-direction:column;padding:26px 20px}footer p{text-align:left}
}

@media(max-width:380px){.sound-grid{grid-template-columns:1fr}.sound-card{min-height:205px}.card-art{height:112px}.quiet-promise{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.pulse-dot,.float-vowel{animation:none}.sound-card,.card-art img,.primary-action,nav a::after{transition:none}}