:root{
  --blue:#a2dbff; --blue-hover:#8ccfff; --blue-deep:#1f6a98; --blue-wash:#eef7fd;
  --gray:#6f6f6f; --gray-deep:#5c5c5c; --ink:#1f2a33; --ink-soft:#4a5660; --line:#e3ebf0;
  --green-wash:#eef5e4; --white:#fff;
  --head:'Nunito Sans',system-ui,-apple-system,sans-serif; --body:'Open Sans',system-ui,-apple-system,sans-serif;
  --maxw:1140px; --r:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.7;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-deep)}
h1,h2,h3{font-family:var(--head);line-height:1.15;margin:0 0 .45em;color:var(--ink)}
h1{font-size:clamp(2.6rem,6vw,4.2rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800}
h3{font-size:1.3rem;font-weight:800}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.eyebrow{font-family:var(--head);font-weight:800;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--blue-deep);outline-offset:3px;border-radius:6px}

/* Buttons: Kim's light-blue pill */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 30px;border-radius:999px;background:var(--blue);color:var(--ink);font-family:var(--head);font-weight:800;font-size:1rem;text-decoration:none;border:2px solid var(--blue);box-shadow:0 6px 18px rgba(47,127,176,.22);transition:transform .18s,background .18s,box-shadow .18s}
.btn:hover{background:var(--blue-hover);border-color:var(--blue-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(47,127,176,.3)}
.btn-ghost{background:transparent;box-shadow:none;border-color:#7cc4ef}
.btn-ghost:hover{background:var(--blue-wash)}
.on-gray .btn-ghost{color:#fff;border-color:#fff}
.on-gray .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* Header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:84px}
.brand img{height:104px;width:auto;margin:-10px 0}
.nav ul{list-style:none;display:flex;align-items:center;gap:28px;margin:0;padding:0}
.nav a.link{display:inline-flex;align-items:center;min-height:44px;font-family:var(--head);font-weight:700;color:var(--ink);text-decoration:none;font-size:1.02rem}
.nav a.link:hover{color:var(--blue-deep)}
.nav .btn{min-height:44px;padding:8px 22px}
@media (max-width:760px){
  .brand img{height:76px;margin:-6px 0}
  .nav{min-height:70px}
  .nav ul{gap:14px}
  .nav .hide-sm{display:none}
  .nav a.link{font-size:.98rem}
  .nav .btn{padding:8px 16px;font-size:.92rem}
}

/* Hero */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;background:
  radial-gradient(600px 380px at 85% 20%,rgba(162,219,255,.45),transparent 70%),
  radial-gradient(420px 300px at 70% 85%,rgba(191,227,166,.35),transparent 70%),
  radial-gradient(500px 360px at 0% 100%,rgba(162,219,255,.25),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.tagline{font-family:var(--head);font-style:italic;font-weight:600;font-size:1.3rem;color:var(--ink-soft);border-left:4px solid var(--blue);padding-left:14px;margin:0 0 20px}
.hero p.lead{font-size:1.12rem;color:var(--ink-soft);max-width:520px}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-photo{position:relative}
.hero-photo img{border-radius:28px;box-shadow:0 24px 60px rgba(31,42,51,.22);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-photo::before{content:"";position:absolute;inset:-22px -18px 30px 40px;border-radius:40px;background:linear-gradient(135deg,rgba(162,219,255,.7),rgba(191,227,166,.55));filter:blur(2px);z-index:-1;transform:rotate(3deg)}
@media (max-width:860px){.hero{padding:36px 0 52px}.hero-grid{grid-template-columns:1fr;gap:34px}.hero-photo{order:-1;max-width:520px}}

/* New release (her gray band) */
.release{background:var(--gray);color:#fff;padding:80px 0}
.release .eyebrow{color:#fff}
.release h2,.release h3{color:#fff}
.release-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
.release .cover{max-width:340px;margin:0 auto;transform:rotate(-2deg);transition:transform .3s}
.release .cover:hover{transform:rotate(0) translateY(-4px)}
.release .cover img{border-radius:8px;box-shadow:0 26px 60px rgba(0,0,0,.4)}
.badge{display:inline-block;background:var(--blue);color:var(--ink);font-family:var(--head);font-weight:800;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.subtitle{font-family:var(--head);font-weight:700;font-size:1.15rem;margin:-6px 0 10px;color:#fff}
.byline{font-weight:600;color:#fff;opacity:.92;margin-bottom:16px}
.release p{color:#fff;font-size:1.06rem;max-width:560px}
@media (max-width:860px){.release{padding:56px 0}.release-grid{grid-template-columns:1fr;gap:34px;text-align:center}.release p{margin-left:auto;margin-right:auto}.release .actions{justify-content:center}}

/* Book grid */
.books{padding:84px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 44px}
.section-head p{color:var(--ink-soft)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 26px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(31,42,51,.1)}
.card .cover{background:var(--blue-wash);border-radius:12px;padding:22px 30px;margin-bottom:18px}
.card .cover img{border-radius:6px;box-shadow:0 12px 28px rgba(31,42,51,.22);margin:0 auto;max-height:280px;width:auto}
.kind{font-family:var(--head);font-weight:800;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:6px}
.card h3{margin-bottom:6px}
.rating{font-size:.92rem;color:var(--ink-soft);margin-bottom:10px}
.rating .stars{color:#d79b1e;letter-spacing:1px;margin-right:4px}
.card p.desc{font-size:.98rem;color:var(--ink-soft);flex:1}
.card .btn{align-self:flex-start;margin-top:6px}
.note{font-size:.85rem;color:var(--ink-soft);text-align:center;margin-top:26px}

/* Reviews */
.reviews{background:var(--blue-wash);padding:84px 0}
.rgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.review{background:#fff;border-radius:var(--r);padding:26px 26px 22px;border-top:4px solid var(--blue);box-shadow:0 8px 24px rgba(31,42,51,.06);margin:0}
.review h3{font-size:1.1rem;margin-bottom:8px}
.review blockquote{margin:0 0 14px;font-size:.98rem;color:var(--ink-soft)}
.review figcaption{font-size:.88rem;font-weight:600;color:var(--ink)}
.review figcaption span{display:block;font-weight:400;color:var(--ink-soft)}
details.more{margin-top:28px}
details.more summary{cursor:pointer;list-style:none;text-align:center}
details.more summary::-webkit-details-marker{display:none}
details.more[open] summary{margin-bottom:24px}

/* About */
.about{padding:84px 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about .banner{border-radius:var(--r);box-shadow:0 18px 44px rgba(31,42,51,.16)}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;gap:30px}}

/* Speaking (her gray) */
.speaking{background:var(--gray);color:#fff;padding:84px 0}
.speaking h2,.speaking h3{color:#fff}
.speaking .eyebrow{color:#fff}
.speaking .intro{max-width:640px;color:#fff;font-size:1.08rem}
.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px;margin:36px 0}
.video{background:var(--gray-deep);border-radius:var(--r);overflow:hidden}
.video button{all:unset;cursor:pointer;display:block;position:relative;aspect-ratio:16/9;width:100%;background:#333 center/cover no-repeat}
.video button::after{content:"";position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='%231f2a33'/%3E%3C/svg%3E") center/34px no-repeat;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.video button:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.video iframe{display:block;width:100%;aspect-ratio:16/9;border:0}
.video .cap{padding:16px 20px 20px}
.video .cap strong{display:block;font-family:var(--head);font-size:1.05rem}
.video .cap span{font-size:.92rem;color:#fff}
.past{list-style:none;padding:0;margin:0 0 30px;display:grid;gap:12px}
.past li{background:rgba(0,0,0,.18);border-left:4px solid var(--blue);border-radius:10px;padding:12px 16px}
.past li span{display:block;font-size:.92rem;color:#fff}
.past a{color:#fff;font-weight:700;text-underline-offset:3px}
.speaking .contact{margin-top:18px;color:#fff}
.speaking .contact a{color:#fff;font-weight:700;text-underline-offset:3px}

/* Sign-up */
.join{padding:80px 0;background:linear-gradient(180deg,#fff,var(--green-wash))}
.join-box{max-width:720px;margin:0 auto;text-align:center;background:#fff;border-radius:24px;padding:44px 32px;box-shadow:0 18px 44px rgba(31,42,51,.08);border:1px solid var(--line)}
.join form{display:flex;gap:12px;max-width:520px;margin:20px auto 8px;flex-wrap:wrap;justify-content:center}
.join label{display:block;width:100%;text-align:left;font-weight:700;font-family:var(--head);font-size:.95rem}
.join input{flex:1 1 260px;min-height:50px;padding:10px 18px;border-radius:999px;border:2px solid #767676;font:inherit}
.join button[disabled]{opacity:.6;cursor:not-allowed;transform:none}
.join small{color:var(--ink-soft)}
.preview-note{display:inline-block;margin-top:12px;font-size:.85rem;background:#fff6dc;border:1px solid #f0d58a;border-radius:8px;padding:6px 12px}

/* Footer (her gray) */
.site-foot{background:var(--gray);color:#fff;padding:56px 0 34px;text-align:center}
.site-foot img{height:120px;width:auto;margin:0 auto 18px;background:#fff;border-radius:50%;padding:8px}
.site-foot .row{display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:center;margin-bottom:18px}
.site-foot a{color:#fff;font-weight:600;text-underline-offset:3px}
.site-foot a:hover{color:var(--blue)}
.site-foot .fine{font-size:.85rem;color:#fff;margin-top:16px}

/* Book Kim page */
.page-hero{padding:56px 0 20px;text-align:center;background:radial-gradient(600px 300px at 50% 0%,rgba(162,219,255,.4),transparent 70%)}
.form-wrap{max-width:860px;margin:0 auto 70px;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 18px 44px rgba(31,42,51,.08)}
.form-wrap iframe{display:block;width:100%;min-height:1350px;border:0}

.on-gray :focus-visible{outline-color:#fff}
.site-foot a{display:inline-block;padding:10px 4px}