:root{
  --cream:#fbf7ef; --ink:#1c2333; --navy:#16315c; --red:#e23b54; --coral:#ff6b6b;
  --muted:#6b7384; --line:#e7e0d3; --card:#ffffff;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--cream);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;color:var(--navy);margin:0 0 .4em}
h2{font-size:clamp(1.6rem,3.5vw,2.3rem);text-align:center}
p{margin:0 0 1em}
a{color:var(--red);text-decoration:none}
em{font-style:italic;color:var(--navy)}
section{max-width:var(--maxw);margin:0 auto;padding:64px 22px}
.section-sub{text-align:center;color:var(--muted);font-size:1.08rem;margin:-.2em auto 2em;max-width:640px}
.centre{text-align:center}.muted{color:var(--muted)}.tiny{font-size:.82rem}

/* buttons */
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:600;font-size:.98rem;
  transition:.15s transform,.15s box-shadow;border:2px solid transparent;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 22px -8px var(--red)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--navy)}

/* hero */
.hero{background:linear-gradient(160deg,#16315c 0%,#1f4a86 100%);color:#fff;padding-bottom:30px}
.hero nav{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:20px 22px}
.brand{font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:#fff}
.dot{color:var(--coral)}
.nav-cta{color:#fff;border:1.5px solid rgba(255,255,255,.5);padding:7px 16px;border-radius:999px;font-weight:600;font-size:.9rem}
.hero-inner{max-width:880px;margin:0 auto;text-align:center;padding:40px 22px 56px}
.hero h1{color:#fff;font-size:clamp(2rem,5.2vw,3.4rem);font-weight:800}
.hero .hl{color:var(--coral)}
.lede{font-size:clamp(1.05rem,2.2vw,1.3rem);color:#e7eefc;max-width:680px;margin:1em auto 1.6em}
.lede strong{color:#fff}.lede em{color:#fff;font-style:italic}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}

/* decoder grid */
.decoder .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  box-shadow:0 1px 0 rgba(0,0,0,.02)}
.said{display:block;font-weight:700;color:var(--navy);font-size:1.06rem;margin-bottom:4px}
.means{display:block;color:var(--muted)}
.decoder .centre{margin-top:22px}

/* books */
.books{border-top:1px solid var(--line)}
.book-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:760px;margin:0 auto}
.book{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;position:relative;
  display:flex;flex-direction:column;align-items:center;text-align:center}
.book.live{border-color:var(--red);box-shadow:0 14px 36px -18px var(--red)}
.book h3{font-size:1.25rem}
.book p{flex:1;color:var(--muted)}
.book .btn{align-self:center;margin-top:8px}
.badge{display:inline-block;background:var(--red);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;padding:4px 10px;border-radius:999px;margin:0 auto 12px;width:max-content}
.badge.soon{background:#f0a500}.badge.later{background:#9aa3b2}
.books .centre{margin-top:26px;font-size:1.05rem}

/* signup */
.signup{background:var(--navy);color:#fff;max-width:none;border-radius:0}
.signup-inner{max-width:620px;margin:0 auto;text-align:center}
.signup h2{color:#fff}
.signup p{color:#d7e0f2}
.signup-form{display:flex;gap:10px;margin:18px 0 8px;flex-wrap:wrap;justify-content:center}
.signup-form input{flex:1;min-width:220px;padding:13px 16px;border-radius:999px;border:0;font-size:1rem}

/* b2b */
.b2b{text-align:center}
.b2b-copy{max-width:760px;margin:0 auto 1.4em;font-size:1.08rem}

/* about */
.about{text-align:center;max-width:720px}
.about p{font-size:1.08rem}

/* footer */
footer{border-top:1px solid var(--line);text-align:center;padding:40px 22px}
.brand-foot{font-weight:800;font-size:1.2rem;color:var(--navy)}
.socials{display:flex;gap:22px;justify-content:center;margin:14px 0}
.socials a{color:var(--navy);font-weight:600}
@media(max-width:520px){section{padding:48px 18px}}

/* book covers */
img.cover{width:100%;max-width:175px;height:auto;display:block;border-radius:10px;margin:0 auto 14px;
  box-shadow:0 12px 28px -14px rgba(0,0,0,.4);background:#efe9da}
.cover-ph{aspect-ratio:600/960;width:100%;max-width:175px;display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--muted);font-weight:700;line-height:1.25;border:1px dashed #d9d0bf;border-radius:10px;margin:0 auto 14px;
  background:repeating-linear-gradient(45deg,#f5f0e4,#f5f0e4 12px,#efe9da 12px,#efe9da 24px)}
.hero-cover{display:block;width:150px;height:auto;margin:32px auto 0;border-radius:10px;transform:rotate(-3deg);
  box-shadow:0 24px 60px -22px rgba(0,0,0,.7)}

@media(max-width:560px){.book-grid{grid-template-columns:1fr;max-width:340px}}