/* ===== Sound Books Co. — site stylesheet ===== */
:root{
  --ink:#10222A; --teal:#0F4C5C; --teal-deep:#0E3A47; --teal-light:#5B8A8F;
  --gold:#C9A35B; --gold-bright:#E4C77E; --paper:#FBF8F1; --paper-2:#F4EEE2;
  --mist:#CFE0E2; --line:rgba(15,76,92,.16);
  --serif:'Fraunces',Georgia,serif; --sans:'Outfit',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 28px}
.gold{color:var(--gold)}

/* buttons */
.btn{display:inline-block;font-family:var(--sans);font-weight:600;font-size:1rem;letter-spacing:.01em;padding:15px 32px;border-radius:40px;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;border:none}
.btn-gold{background:linear-gradient(100deg,var(--gold),var(--gold-bright));color:var(--teal-deep);box-shadow:0 8px 24px rgba(201,163,91,.35)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(201,163,91,.45)}
.btn-ghost{background:transparent;color:var(--paper);border:1.5px solid rgba(228,199,126,.5)}
.btn-ghost:hover{border-color:var(--gold-bright);background:rgba(228,199,126,.08)}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 8px 22px rgba(15,76,92,.25)}
.btn-teal:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(15,76,92,.35)}
.kicker{font-family:var(--sans);font-weight:600;letter-spacing:.32em;text-transform:uppercase;font-size:.72rem;color:var(--gold)}

/* ===== NAV ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,248,241,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.nav .brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:600;font-size:1.18rem;color:var(--teal-deep)}
.nav .brand .mark{width:34px;height:34px;border-radius:50%;flex:0 0 auto}
.nav .links{display:flex;gap:28px;align-items:center}
.nav .links a{font-weight:500;font-size:.96rem;color:var(--ink);transition:color .2s}
.nav .links a:hover{color:var(--teal)}
.nav .links a.cta{background:var(--teal);color:#fff;padding:9px 20px;border-radius:30px}
.nav .links a.cta:hover{color:#fff;background:var(--teal-deep)}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--teal-deep);cursor:pointer}
@media(max-width:760px){
  .nav .links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:8px 0}
  .nav .links.open{display:flex}
  .nav .links a{padding:13px 28px;width:100%}
  .nav .links a.cta{margin:8px 28px;text-align:center}
  .nav-toggle{display:block}
}

/* ===== HERO ===== */
.hero{position:relative;background:linear-gradient(160deg,var(--teal-deep),var(--teal) 60%,#0C2C36);color:var(--paper);padding:120px 0 110px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 28% 24%,rgba(28,98,118,.55),transparent 45%)}
.hero .nodes{position:absolute;top:0;left:0;width:100%;height:100%;opacity:.5;pointer-events:none}
.hero .wrap{position:relative;z-index:2;text-align:center}
.hero h1{font-size:clamp(2.5rem,6vw,4.6rem);color:#fff;margin:20px auto 0;max-width:15ch}
.hero h1 .acc{color:var(--gold-bright)}
.hero .sub{font-family:var(--serif);font-style:italic;font-size:clamp(1.1rem,2.3vw,1.45rem);color:var(--mist);max-width:40ch;margin:24px auto 0;line-height:1.5}
.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:38px}

/* sections */
.section{padding:90px 0}
.section.alt{background:var(--paper-2)}
.section-head{text-align:center;max-width:42ch;margin:0 auto 56px}
.section-head h2{font-size:clamp(1.9rem,4.2vw,2.9rem)}
.section-head p{color:#456;margin-top:14px;font-size:1.06rem}

/* edge band */
.band{background:linear-gradient(160deg,var(--teal-deep),var(--teal) 70%);color:var(--paper);padding:80px 0;text-align:center;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(28,98,118,.5),transparent 50%)}
.band .wrap{position:relative;z-index:2}
.band h2{font-size:clamp(1.8rem,4vw,2.7rem);color:#fff;max-width:24ch;margin:0 auto}
.band p{color:var(--mist);max-width:46ch;margin:18px auto 0}
.band .cta-row{margin-top:32px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* product cards */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:1080px;margin-inline:auto;padding-inline:28px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.pcard:hover{transform:translateY(-6px);box-shadow:0 22px 48px rgba(15,76,92,.12)}
.pcard .top{background:linear-gradient(155deg,var(--teal),var(--teal-deep));padding:30px 26px;color:#fff;position:relative}
.pcard .top .tag{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-bright);font-weight:600}
.pcard .top h3{color:#fff;font-size:1.4rem;margin-top:8px}
.pcard .top .price{font-family:var(--serif);font-size:1.5rem;color:var(--gold-bright);margin-top:14px;font-weight:600}
.pcard .top .price .free{color:#fff}
.pcard .body{padding:24px 26px;flex:1;display:flex;flex-direction:column}
.pcard .body p{color:#566;font-size:.96rem;flex:1}
.pcard .body .btn{margin-top:20px;text-align:center;width:100%}
@media(max-width:860px){.products{grid-template-columns:1fr;max-width:420px;margin:0 auto}}

/* feature grid */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:1080px;margin-inline:auto;padding-inline:28px}
.col{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px}
.col h3{font-size:1.2rem;color:var(--teal);margin-bottom:10px}
.col p{color:#566;font-size:.97rem}
@media(max-width:860px){.cols{grid-template-columns:1fr}}

/* article listing */
.alist{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:1080px;margin-inline:auto;padding-inline:28px}
.acard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 28px;transition:transform .3s,box-shadow .3s;display:block}
.acard:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(15,76,92,.1)}
.acard .tag{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-weight:600}
.acard h3{font-size:1.32rem;margin:10px 0;color:var(--ink);line-height:1.25}
.acard p{color:#566;font-size:.96rem}
.acard .more{display:inline-block;margin-top:16px;color:var(--teal);font-weight:600;font-size:.92rem}
@media(max-width:760px){.alist{grid-template-columns:1fr}}

/* ===== ARTICLE BODY ===== */
.article-hero{background:linear-gradient(160deg,var(--teal-deep),var(--teal) 70%);color:var(--paper);padding:90px 0 70px;text-align:center}
.article-hero .kicker{color:var(--gold-bright)}
.article-hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.2rem);max-width:20ch;margin:16px auto 0}
.article-body{padding:70px 0 40px}
.article-body p{font-size:1.12rem;color:#2a3b41;margin:0 0 22px;line-height:1.75}
.article-body h2{font-size:1.7rem;color:var(--teal-deep);margin:42px 0 16px}
.article-body h3{font-size:1.3rem;color:var(--teal);margin:30px 0 12px}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:24px}
.article-body li{font-size:1.1rem;color:#2a3b41;margin-bottom:12px;line-height:1.7}
.article-body strong{color:var(--ink)}
.article-body blockquote{border-left:4px solid var(--gold);background:#fff;padding:22px 28px;border-radius:0 12px 12px 0;margin:30px 0;font-family:var(--serif);font-size:1.2rem;font-style:italic;color:var(--teal-deep)}
.article-cta{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:34px;margin:40px 0;text-align:center}
.article-cta h3{font-size:1.4rem;color:var(--teal-deep);margin-bottom:10px}
.article-cta p{font-size:1.04rem;color:#566;margin-bottom:20px}

/* ===== FOOTER ===== */
.footer{background:var(--teal-deep);color:var(--mist);padding:60px 0 36px}
.footer .grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer .brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-size:1.3rem;color:#fff;font-weight:600;margin-bottom:14px}
.footer .brand .mark{width:38px;height:38px;border-radius:50%}
.footer .about{font-size:.95rem;max-width:34ch;line-height:1.6}
.footer h4{color:var(--gold-bright);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px;font-family:var(--sans);font-weight:600}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer a{font-size:.95rem;transition:color .2s}
.footer a:hover{color:var(--gold-bright)}
.footer .base{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;font-size:.85rem;color:var(--teal-light);text-align:center}
@media(max-width:760px){.footer .grid{grid-template-columns:1fr;gap:30px}}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}