/* Kapitelo.cz / Kapitelo.com
   Společný vzhled celé platformové domény.
   platform.html i pro_autory.html mají obsah/layout, ne vlastní vizuální základ.
*/

:root {
    --kp-bg: #ece7df;
    --kp-card: rgba(255,255,255,.94);
    --kp-text: #1f1f1f;
    --kp-muted: #6c6a66;
    --kp-line: rgba(0,0,0,.08);
    --kp-soft: #f5f3ef;
    --kp-dark: #111;
    --kp-radius: 24px;
    --kp-shadow: 0 12px 35px rgba(0,0,0,.08);
}

body {
    background-color: var(--kp-bg);
}

.kp-page{max-width:1180px;margin:0 auto;padding:28px 20px 70px;}
.kp-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px;}
.kp-brand{font-size:28px;font-weight:800;color:var(--kp-text);text-decoration:none;letter-spacing:-.03em;}
.kp-nav{display:flex;gap:22px;flex-wrap:wrap;align-items:center;}
.kp-nav a{color:#4b4a47;text-decoration:none;font-weight:700;font-size:15px;}
.kp-nav a:hover{text-decoration:underline;}

.kp-hero{
    background:var(--kp-card);
    border-radius:28px;
    padding:56px;
    box-shadow:0 18px 50px rgba(0,0,0,.08);
    display:grid;
    grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);
    gap:48px;
    align-items:center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.kp-kicker{margin:0 0 14px;text-transform:uppercase;letter-spacing:.14em;font-size:13px;color:#777;}
.kp-hero h1{margin:0;font-size:clamp(48px,7vw,82px);line-height:.95;letter-spacing:-.05em;}
.kp-lead{margin:24px 0 0;font-size:22px;line-height:1.5;color:#4f4d49;max-width:800px;}
.kp-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;}
.kp-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:999px;text-decoration:none;font-weight:800;border:1px solid var(--kp-line);}
.kp-btn-primary{background:#111;color:#fff;}
.kp-btn-secondary{background:#fff;color:#111;}
.kp-note{background:var(--kp-soft);border-radius:22px;padding:26px;}
.kp-note h3{margin:0 0 10px;font-size:20px;}
.kp-note p{margin:0;color:#5b5955;line-height:1.55;}
.kp-note ul{margin:16px 0 0;padding-left:20px;color:#4f4d49;line-height:1.7;}

.kp-building{
    margin-top:22px;
    background:#171717;
    color:#fff;
    border-radius:22px;
    padding:22px 26px;
    display:flex;
    gap:18px;
    align-items:center;
    justify-content:space-between;
}
.kp-building strong{font-size:18px;}
.kp-building span{color:#d7d7d7;line-height:1.45;}

.kp-duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px;}
.kp-panel{
    background:var(--kp-card);
    border-radius:24px;
    padding:34px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
}
.kp-panel .kp-kicker{margin-bottom:10px;}
.kp-panel h2{margin:0 0 16px;font-size:28px;letter-spacing:-.02em;}
.kp-panel p{margin:0;color:#5b5955;line-height:1.65;}
.kp-panel ul{margin:18px 0 0;padding-left:20px;line-height:1.75;color:#4d4b47;}
.kp-panel .kp-actions{margin-top:24px;}

.kp-catalog{
    margin-top:28px;
    background:var(--kp-card);
    border-radius:28px;
    padding:34px;
    box-shadow:0 12px 35px rgba(0,0,0,.055);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.kp-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.kp-section-head h2{margin:0;font-size:30px;}
.kp-section-head p{margin:4px 0 0;color:var(--kp-muted);}

.author-block{display:grid;grid-template-columns:92px 1fr;gap:22px;align-items:start;padding:18px 0;}
.author-block + .author-block{border-top:1px solid var(--kp-line);}
.author-photo img{width:92px;height:92px;display:block;object-fit:cover;border-radius:50%;}
.author-name{font-size:27px;font-weight:800;margin:0 0 6px;}
.author-name a{color:inherit;text-decoration:none;}
.author-name a:hover{text-decoration:underline;}
.author-tagline{color:#686560;line-height:1.5;margin-bottom:18px;max-width:800px;}

.book-list{display:grid;gap:16px;}
.platform-book-card{
    display:grid;
    grid-template-columns:180px 1fr;
    gap:28px;
    align-items:center;
    padding:22px;
    border-radius:20px;
    background:#f6f5f2;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.platform-book-stack-link{display:block;width:150px;color:inherit;text-decoration:none;}
.platform-book-stack{position:relative;width:150px;height:190px;}
.platform-book-cover{position:absolute;top:0;width:120px;height:180px;object-fit:cover;border-radius:14px;box-shadow:0 10px 24px rgba(0,0,0,.18);border:1px solid rgba(0,0,0,.08);background:#eee;}
.platform-book-cover.is-third{left:32px;top:14px;z-index:1;opacity:.78;}
.platform-book-cover.is-second{left:16px;top:7px;z-index:2;opacity:.88;}
.platform-book-cover.is-first{left:0;top:0;z-index:3;}
.platform-book-placeholder{width:120px;height:180px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:rgba(0,0,0,.05);color:#aaa;font-size:44px;font-weight:700;}
.platform-book-title{margin:0 0 6px;font-size:34px;line-height:1.1;font-weight:800;letter-spacing:-.025em;}
.platform-book-title a{color:inherit;text-decoration:none;}
.platform-book-title a:hover{text-decoration:underline;}
.platform-book-meta{margin-bottom:12px;color:#6d6a66;font-size:15px;}
.platform-book-parts{margin-top:14px;display:grid;gap:8px;}
.platform-book-part-row{display:grid;grid-template-columns:40px 1fr auto;gap:14px;align-items:center;padding:10px 14px;border-radius:12px;background:#fff;color:inherit;text-decoration:none;}
a.platform-book-part-row:hover{background:#fcfcfc;}
.platform-book-part-row.is-preparing{opacity:.72;}
.platform-book-part-number{color:#777;}
.platform-book-part-title{font-weight:700;}
.platform-book-part-status{color:#777;white-space:nowrap;}

.kp-about{
    margin-top:28px;
    display:grid;
    grid-template-columns:1fr .75fr;
    gap:22px;
}
.kp-about-card{
    background:var(--kp-card);
    border-radius:24px;
    padding:34px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
}
.kp-about-card h2{margin:0 0 14px;font-size:28px;}
.kp-about-card p{margin:0;color:#5b5955;line-height:1.7;}
.kp-about-cta{background:#171717;color:#fff;border-radius:24px;padding:34px;display:flex;flex-direction:column;justify-content:center;}
.kp-about-cta .kp-kicker{color:#aaa;}
.kp-about-cta h2{margin:0 0 12px;font-size:30px;}
.kp-about-cta p{margin:0;color:#d8d8d8;line-height:1.6;}
.kp-about-cta .kp-btn{margin-top:22px;align-self:flex-start;background:#fff;color:#111;border:none;}

@media (max-width:850px){
    .kp-hero,.kp-duo,.kp-about{grid-template-columns:1fr;}
    .kp-hero{padding:34px;}
}
@media (max-width:700px){
    .kp-topbar{align-items:flex-start;flex-direction:column;}
    .kp-nav{gap:14px;}
    .kp-page{padding:20px 14px 48px;}
    .kp-hero,.kp-panel,.kp-catalog,.kp-about-card,.kp-about-cta{padding:24px;}
    .kp-hero h1{font-size:48px;}
    .kp-lead{font-size:19px;}
    .kp-building{align-items:flex-start;flex-direction:column;}
    .author-block{grid-template-columns:64px 1fr;gap:16px;}
    .author-photo img{width:64px;height:64px;}
    .platform-book-card{grid-template-columns:1fr;}
    .platform-book-stack{margin:0 auto;}
    .platform-book-title{font-size:28px;}
    .platform-book-part-row{grid-template-columns:32px 1fr;}
    .platform-book-part-status{grid-column:2;}
}


/* /pro-autory/ */
.author-page{max-width:1040px;margin:0 auto;padding:28px 20px 70px;}
.author-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px;}
.author-top a{color:#222;text-decoration:none;font-weight:800;}
.author-hero,
.author-section,
.author-form-wrap {
    background: rgba(255,255,255,.90);
    border-radius: 26px;
    box-shadow: 0 14px 40px rgba(0,0,0,.07);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.author-hero{padding:50px;}
.author-kicker{margin:0 0 12px;text-transform:uppercase;letter-spacing:.14em;font-size:13px;color:#777;}
.author-hero h1{margin:0;font-size:clamp(44px,6vw,72px);line-height:1;letter-spacing:-.045em;}
.author-lead{margin:22px 0 0;max-width:780px;font-size:21px;line-height:1.55;color:#514f4b;}
.author-status{margin-top:24px;padding:18px 20px;border-radius:18px;background:#171717;color:#fff;}
.author-status strong{display:block;margin-bottom:4px;}
.author-status span{color:#d4d4d4;}

.author-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px;}
.author-section{padding:32px;}
.author-section h2{margin:0 0 14px;font-size:28px;}
.author-section p{color:#5a5752;line-height:1.65;margin:0;}
.author-section ul{padding-left:20px;line-height:1.8;color:#4e4b47;}

.author-form-wrap{margin-top:24px;padding:36px;}
.author-form-wrap h2{margin:0 0 8px;font-size:30px;}
.author-form-wrap > p{margin:0 0 24px;color:#5e5b56;line-height:1.6;}
.author-form{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.author-field{display:flex;flex-direction:column;gap:7px;}
.author-field.full{grid-column:1/-1;}
.author-field label{font-weight:800;font-size:14px;}
.author-field input,.author-field select,.author-field textarea{
    width:100%;box-sizing:border-box;border:1px solid rgba(0,0,0,.14);border-radius:14px;
    padding:13px 14px;font:inherit;background:#fff;
}
.author-field textarea{min-height:130px;resize:vertical;}
.author-check{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;color:#555;line-height:1.45;}
.author-check input{margin-top:3px;}
.author-submit{grid-column:1/-1;}
.author-submit button{
    border:0;border-radius:999px;background:#111;color:#fff;font:inherit;font-weight:800;
    padding:14px 22px;cursor:pointer;
}
.author-note{margin-top:14px;color:#777;font-size:13px;line-height:1.5;}
.author-success{margin:0 0 20px;padding:16px 18px;border-radius:14px;background:#f0f7ee;}
.author-error{margin:0 0 20px;padding:16px 18px;border-radius:14px;background:#fff0f0;}

@media(max-width:760px){
    .author-grid,.author-form{grid-template-columns:1fr;}
    .author-field.full,.author-check,.author-submit{grid-column:1;}
    .author-hero,.author-section,.author-form-wrap{padding:24px;}
}


/* Společná "okna" na platformové doméně */
.kp-hero,
.kp-panel,
.kp-catalog,
.kp-about-card,
.author-hero,
.author-section,
.author-form-wrap {
    background: var(--kp-card);
    border-radius: var(--kp-radius);
    box-shadow: var(--kp-shadow);
}

/* Žádný backdrop blur: okna mají mít konzistentní světlou výplň. */
.kp-hero,
.kp-panel,
.kp-catalog,
.kp-about-card,
.author-hero,
.author-section,
.author-form-wrap {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}