/* =========================================================
   JM Baroja — Catálogo digital de marcas
   Sistema de diseño: premium, minimalista, cálido, B2B
   ========================================================= */

:root{
  --bg: #F7F4EE;
  --bg-alt: #EFE9DD;
  --surface: #FFFFFF;
  --text: #221F1A;
  --text-muted: #6E6559;
  --border: #E3DBCB;
  --accent: #A9713A;
  --accent-dark: #7C5228;
  --accent-soft: #F1E4D2;
  --success: #4B6650;
  --warn: #9C5B33;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(30,24,14,.06);
  --shadow-md: 0 8px 24px rgba(30,24,14,.08);
  --shadow-lg: 0 20px 48px rgba(30,24,14,.14);
  --max-w: 1180px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #18160F;
    --bg-alt: #221E15;
    --surface: #221E17;
    --text: #F3ECE0;
    --text-muted: #B4A996;
    --border: #3A3323;
    --accent: #D89A5B;
    --accent-dark: #E7B57E;
    --accent-soft: #3A2E1C;
    --success: #86A98D;
    --warn: #D9925F;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow-md: 0 8px 24px rgba(0,0,0,.45);
    --shadow-lg: 0 20px 48px rgba(0,0,0,.55);
    color-scheme: dark;
  }
}
:root[data-theme="dark"]{
  --bg: #18160F;
  --bg-alt: #221E15;
  --surface: #221E17;
  --text: #F3ECE0;
  --text-muted: #B4A996;
  --border: #3A3323;
  --accent: #D89A5B;
  --accent-dark: #E7B57E;
  --accent-soft: #3A2E1C;
  --success: #86A98D;
  --warn: #D9925F;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,.45);
  --shadow-lg: 0 20px 48px rgba(0,0,0,.55);
  color-scheme: dark;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Fraunces","Georgia",serif;
  font-weight:600;
  line-height:1.15;
  margin:0 0 .4em;
  letter-spacing:-.01em;
}
p{ margin:0 0 1em; color:var(--text); }
a{ color:inherit; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; }

.container{
  max-width:var(--max-w);
  margin:0 auto;
  padding-inline:24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:16px;
  gap:16px;
}
.brand-mark{
  display:flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--text);
}
.brand-mark .site-logo{ display:block; }
.header-actions a{
  text-decoration:none; font-size:.92rem; color:var(--text-muted);
  transition:color .18s ease;
}
.header-actions a:hover{ color:var(--accent); }
.header-contact{ display:flex; flex-direction:column; align-items:flex-end; gap:3px; text-align:right; }
.header-contact .header-name{
  font-family:"Fraunces",serif; font-weight:600; font-size:.98rem; color:var(--text);
}
.header-contact .header-info{ display:flex; align-items:center; gap:8px; font-size:.82rem; color:var(--text-muted); }
.header-contact .header-info a{ color:var(--text-muted); text-decoration:none; }
.header-contact .header-info a:hover{ color:var(--accent); }
.header-contact .dot{ color:var(--border); }

/* ---------- Hero (full-bleed photo slideshow) ---------- */
.hero-full{
  position:relative;
  min-height:min(86vh, 780px);
  display:flex; align-items:flex-end;
  background:#141210;
  color:#fff;
  overflow:hidden;
}
.hero-slides{ position:absolute; inset:0; z-index:0; }
.hero-slide{
  position:absolute; inset:0;
  background-size:cover; background-position:center 45%; background-repeat:no-repeat;
  opacity:0; transition:opacity 1s ease;
}
.hero-slide.is-active{ opacity:1; }
.hero-full::before{
  content:""; position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg, rgba(15,12,8,.15) 0%, rgba(15,12,8,.35) 55%, rgba(12,10,7,.88) 100%);
}
.hero-full .container{ position:relative; z-index:2; padding-bottom:44px; padding-top:120px; }
.hero-full .eyebrow{
  display:inline-block; font-size:.78rem; letter-spacing:.2em; text-transform:uppercase;
  color:#EAD3AE; margin-bottom:18px; font-weight:600;
}
.hero-full h1{
  font-size:clamp(2.1rem, 5vw, 3.8rem);
  max-width:18ch; color:#fff; text-shadow:0 2px 24px rgba(0,0,0,.25);
}
.hero-full p.lead{
  max-width:56ch; color:rgba(255,255,255,.86); font-size:1.12rem; margin-bottom:30px;
}
.hero-full .hero-lead-main{
  font-family:"Fraunces",serif; font-weight:600; font-size:clamp(1.5rem,3vw,2.2rem);
  color:#fff; max-width:22ch; line-height:1.25; margin-bottom:28px;
  text-shadow:0 2px 24px rgba(0,0,0,.25);
}
.hero-full a.hero-cta-link{
  display:flex; width:fit-content; align-items:center; gap:16px; text-decoration:none;
  cursor:pointer; transition:gap .22s ease, color .22s ease;
}
.hero-full a.hero-cta-link svg{ flex:0 0 auto; transition:transform .22s ease; }
.hero-full a.hero-cta-link:hover{ color:var(--accent-soft); gap:22px; }
.hero-full a.hero-cta-link:hover svg{ transform:translateY(4px); }
.hero-full .hero-actions{ display:flex; gap:14px; flex-wrap:wrap; align-items:center; margin-top:14px; }
.hero-full .btn-primary{ background:#fff; color:#171310; }
.hero-full .btn-primary:hover{ background:var(--accent); color:#fff; }
.hero-full .btn-ghost{
  color:#fff; text-decoration:none; font-size:.92rem; font-weight:600;
  display:inline-flex; align-items:center; gap:6px; border-bottom:1px solid rgba(255,255,255,.4);
  padding-bottom:2px; transition:border-color .18s ease;
}
.hero-full .btn-ghost:hover{ border-color:#fff; }
.hero-stats{
  display:flex; gap:36px; margin-top:40px; flex-wrap:wrap;
}
.hero-stats div{ text-align:left; }
.hero-stats strong{ display:block; font-family:"Fraunces",serif; font-size:1.7rem; color:#fff; }
.hero-stats span{ font-size:.78rem; color:rgba(255,255,255,.7); text-transform:uppercase; letter-spacing:.08em; }

/* ---------- Índice de categorías ---------- */
.index-section{ padding-block:64px 20px; }
.index-head{ text-align:center; max-width:640px; margin:0 auto 36px; }
.index-head .eyebrow{
  display:inline-block; font-size:.78rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--accent-dark); margin-bottom:14px; font-weight:600;
}
.index-head h2{ font-size:clamp(1.6rem,3vw,2.2rem); }
.index-head p{ color:var(--text-muted); }


/* ---------- Search / filters ---------- */
.toolbar{
  display:flex; gap:12px; flex-wrap:wrap; align-items:center;
  justify-content:space-between;
  margin-bottom:28px;
}
.search-box{
  position:relative; flex:1 1 280px; max-width:420px;
}
.search-box input{
  width:100%; padding:13px 16px 13px 42px; border-radius:999px;
  border:1px solid var(--border); background:var(--surface); color:var(--text);
  font-size:.95rem; outline:none; transition:border-color .18s ease, box-shadow .18s ease;
}
.search-box input:focus{ border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.search-box svg{ position:absolute; left:15px; top:50%; transform:translateY(-50%); opacity:.5; }

.filter-pills{ display:flex; gap:8px; flex-wrap:wrap; }
.filter-pill{
  border:1px solid var(--border); background:var(--surface); color:var(--text-muted);
  padding:8px 15px; border-radius:999px; font-size:.85rem; cursor:pointer;
  transition:all .16s ease; white-space:nowrap;
}
.filter-pill:hover{ border-color:var(--accent); color:var(--text); }
.filter-pill.active{ background:var(--text); color:var(--bg); border-color:var(--text); }

.results-meta{ color:var(--text-muted); font-size:.86rem; margin-bottom:18px; }
.results-meta:empty{ margin-bottom:0; }

.cat-nav{
  display:flex; flex-wrap:wrap; justify-content:center; column-gap:6px;
  margin:0 0 44px; padding:0;
  border-top:1px solid var(--text); border-bottom:1px solid var(--border);
  counter-reset:catnav;
}
.cat-nav-item{ position:relative; }
.cat-nav .cat-nav-link{
  counter-increment:catnav;
  position:relative; display:flex; align-items:baseline; gap:9px;
  padding:20px 22px; color:var(--text); text-decoration:none;
  font-size:.8rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
  white-space:nowrap; transition:color .2s ease;
}
.cat-nav .cat-nav-link::before{
  content:counter(catnav, decimal-leading-zero);
  font-family:"Fraunces",serif; font-weight:500; font-size:.72rem; letter-spacing:.04em;
  color:var(--accent);
}
.cat-nav .cat-nav-link::after{
  content:""; position:absolute; left:22px; right:22px; bottom:-1px; height:2px;
  background:var(--accent); transform:scaleX(0); transform-origin:left; transition:transform .25s ease;
}
.cat-nav .cat-nav-link:hover, .cat-nav-item:hover > .cat-nav-link{ color:var(--accent-dark); }
.cat-nav .cat-nav-link:hover::after, .cat-nav-item:hover > .cat-nav-link::after{ transform:scaleX(1); }
.cat-nav-chevron{ align-self:center; opacity:.55; transition:transform .2s ease; }
.cat-nav-item:hover .cat-nav-chevron{ transform:rotate(180deg); }
.cat-dropdown{
  position:absolute; top:100%; left:50%; z-index:30; min-width:230px;
  padding:10px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);
  opacity:0; visibility:hidden; transform:translate(-50%,8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.cat-nav-item:hover .cat-dropdown, .cat-nav-item:focus-within .cat-dropdown{
  opacity:1; visibility:visible; transform:translate(-50%,0);
}
.cat-dropdown a{
  display:block; padding:11px 16px; border-radius:8px; color:var(--text); text-decoration:none;
  font-size:.88rem; transition:background .15s ease, color .15s ease;
}
.cat-dropdown a:hover{ background:var(--bg-alt); color:var(--accent-dark); }
@media (max-width:720px){
  .cat-nav{ justify-content:flex-start; }
  .cat-nav .cat-nav-link{ padding:14px 12px; font-size:.72rem; }
  .cat-nav .cat-nav-link::after{ left:12px; right:12px; }
}

/* ---------- Category blocks (directorio de marcas) ---------- */
.category-block{ scroll-margin-top:88px; margin-bottom:56px; }
.category-block .cat-heading{
  display:flex; align-items:center; gap:16px; margin-bottom:18px;
  padding-bottom:14px; border-bottom:2px solid var(--text);
}
.category-block .cat-heading-text{ display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
.category-block .cat-heading h2{ font-size:1.7rem; margin:0; }
.category-block .cat-heading .cat-count{ color:var(--text-muted); font-size:.85rem; }
.cat-thumb{
  width:64px; height:64px; border-radius:var(--radius-md); object-fit:cover;
  flex:0 0 auto; box-shadow:var(--shadow-sm);
}

.subfamily-block{ margin-top:28px; }
.subfamily-block:first-of-type{ margin-top:6px; }
.subfamily-heading{ display:flex; align-items:center; gap:10px; margin-bottom:6px; }
.subfamily-block h3{
  font-family:"Inter",sans-serif; font-size:.78rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.1em; color:var(--accent-dark);
  margin:0;
}
.sub-thumb{
  width:34px; height:34px; border-radius:8px; object-fit:cover; flex:0 0 auto;
}

/* ---------- Brand grid (tarjetas grandes con foto) ---------- */
.brand-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(320px,1fr));
  gap:26px;
  padding-bottom:20px;
}
.brand-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  overflow:hidden; text-decoration:none; color:var(--text);
  display:flex; flex-direction:column;
  transition:transform .28s cubic-bezier(.2,.8,.2,1), box-shadow .28s ease, border-color .28s ease;
  box-shadow:var(--shadow-sm);
}
.brand-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:transparent; }
.brand-card .card-media{
  aspect-ratio:4/3; background:var(--bg-alt);
  display:flex; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
}
.brand-card .card-media img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.8,.2,1);
}
.brand-card:hover .card-media img{ transform:scale(1.07); }
.brand-card .card-media .wordmark{
  font-family:"Fraunces",serif; font-size:1.6rem; font-weight:600; color:var(--accent-dark);
  letter-spacing:.01em; text-align:center; padding:0 20px;
}
.brand-card .card-media .logo-img{ max-height:72px; max-width:72%; object-fit:contain; background:none; transition:none; }
.badge{
  position:absolute; top:14px; right:14px; font-size:.68rem; font-weight:600;
  padding:5px 12px; border-radius:999px; letter-spacing:.04em; text-transform:uppercase;
  background:rgba(255,255,255,.92); color:var(--warn); box-shadow:var(--shadow-sm);
}
:root[data-theme="dark"] .badge{ background:rgba(30,26,20,.9); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .badge{ background:rgba(30,26,20,.9); } }
.card-body{ padding:22px 24px 24px; display:flex; flex-direction:column; gap:8px; flex:1; }
.card-body .cat{ font-size:.72rem; text-transform:uppercase; letter-spacing:.09em; color:var(--accent-dark); font-weight:600; }
.card-body h3{ font-size:1.32rem; margin:0; }
.card-body p{ font-size:.92rem; color:var(--text-muted); margin:0; flex:1; }
.card-cta{
  margin-top:auto; font-size:.86rem; font-weight:600; color:var(--text);
  display:flex; align-items:center; gap:6px;
}
.card-cta svg{ transition:transform .18s ease; }
.brand-card:hover .card-cta svg{ transform:translateX(3px); }

/* ---------- Scroll-reveal ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ---------- Back to top ---------- */
.back-to-top{
  position:fixed; right:22px; bottom:22px; z-index:50;
  width:46px; height:46px; border-radius:50%;
  background:var(--text); color:var(--bg); border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-lg); opacity:0; pointer-events:none;
  transition:opacity .25s ease, transform .25s ease;
}
.back-to-top.visible{ opacity:1; pointer-events:auto; }
.back-to-top:hover{ background:var(--accent-dark); transform:translateY(-3px); }

/* ---------- Brand detail page ---------- */
.back-link{
  display:inline-flex; align-items:center; gap:6px; text-decoration:none;
  color:var(--text-muted); font-size:.9rem; margin-block:26px 10px;
  transition:color .16s ease;
}
.back-link:hover{ color:var(--accent-dark); }

.brand-hero{
  display:grid; grid-template-columns:minmax(260px,380px) 1fr; gap:40px; align-items:center;
  padding-block:26px 40px; border-bottom:1px solid var(--border); margin-bottom:36px;
}
.brand-hero .hero-media{
  aspect-ratio:4/3; border-radius:var(--radius-lg); background:var(--bg-alt);
  display:flex; align-items:center; justify-content:center; overflow:hidden;
  position:relative;
}
.brand-hero .hero-media img{ width:100%; height:100%; object-fit:cover; }
.brand-hero .hero-media .logo-img{ max-width:80%; max-height:60%; object-fit:contain; }
.brand-hero .hero-media .wordmark{ font-family:"Fraunces",serif; font-size:1.7rem; color:var(--accent-dark); text-align:center; padding:0 12px; }
.brand-hero .hero-media .logo-badge{
  position:absolute; left:14px; bottom:14px; background:rgba(255,255,255,.94);
  border-radius:var(--radius-md); padding:10px 14px; box-shadow:var(--shadow-md);
  max-width:60%;
}
.brand-hero .hero-media .logo-badge img{ max-height:32px; width:auto; object-fit:contain; }
.brand-hero .cat{ font-size:.76rem; text-transform:uppercase; letter-spacing:.1em; color:var(--accent-dark); font-weight:700; }
.brand-hero h1{ font-size:clamp(1.7rem,3vw,2.6rem); margin:.2em 0 .3em; }
.brand-hero .desc{ color:var(--text-muted); max-width:62ch; }
.brand-hero .links{ display:flex; gap:10px; margin-top:14px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 20px; border-radius:999px; font-size:.9rem; font-weight:600;
  text-decoration:none; cursor:pointer; border:1px solid transparent;
  transition:all .18s ease;
}
.btn-primary{ background:var(--text); color:var(--bg); }
.btn-primary:hover{ background:var(--accent-dark); }
.btn-outline{ border-color:var(--border); color:var(--text); background:var(--surface); }
.btn-outline:hover{ border-color:var(--accent); color:var(--accent-dark); }

.brand-gallery-extra{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:16px;
  margin-bottom:44px;
}
.brand-gallery-extra .gallery-thumb{
  aspect-ratio:4/3; border-radius:var(--radius-lg); overflow:hidden; background:var(--bg-alt);
}
.brand-gallery-extra .gallery-thumb img{ width:100%; height:100%; object-fit:cover; display:block; }

.brand-gallery-rows{ display:flex; flex-direction:column; gap:16px; max-width:860px; margin-bottom:44px; }
.gallery-row{ display:flex; gap:16px; align-items:flex-start; }
.gallery-cell{ flex:1 1 0; min-width:0; border-radius:var(--radius-lg); overflow:hidden; }
.gallery-cell img{ width:100%; height:auto; display:block; max-width:none; }
.brand-hero--photo{ grid-template-columns:auto 1fr; }
.brand-hero .hero-media--photo{ aspect-ratio:auto; background:none; display:block; max-width:760px; }
.brand-hero .hero-media--photo img{ width:auto; height:auto; max-width:100%; max-height:720px; object-fit:initial; display:block; border-radius:var(--radius-lg); }
@media (max-width:720px){
  .brand-hero--photo{ grid-template-columns:1fr; }
  .gallery-row{ flex-wrap:wrap; }
  .gallery-cell{ flex-basis:100% !important; }
}
.brand-gallery-extra--natural{
  display:flex; flex-wrap:wrap; align-items:flex-start; gap:16px;
}
.gallery-thumb-natural{
  height:400px; border-radius:var(--radius-lg); overflow:hidden;
}
.gallery-thumb-natural img{ height:100%; width:auto; display:block; }
@media (max-width:640px){
  .gallery-thumb-natural{ height:200px; }
}

.section-title{
  font-size:.78rem; text-transform:uppercase; letter-spacing:.14em; color:var(--text-muted);
  font-weight:700; margin-bottom:16px;
}
.section{ margin-bottom:48px; }

.conditions-grid{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px;
}
.condition-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:18px 20px;
}
.condition-card .label{ font-size:.74rem; text-transform:uppercase; letter-spacing:.07em; color:var(--text-muted); margin-bottom:6px; }
.condition-card .value{ font-size:1.02rem; font-weight:600; line-height:1.35; }
.condition-note{
  margin-top:16px; padding:14px 18px; background:var(--accent-soft); border-radius:var(--radius-md);
  font-size:.88rem; color:var(--accent-dark); border-left:3px solid var(--accent);
}
.conditions-box{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:26px 28px;
}
.conditions-box ul{ margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:12px; }
.conditions-box li{
  font-size:1.02rem; line-height:1.45; padding-left:20px; position:relative;
}
.conditions-box li::before{
  content:"–"; position:absolute; left:0; color:var(--accent);
}
.conditions-box li strong{ font-weight:700; }

.catalog-block{
  border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; margin-bottom:18px;
  background:var(--surface);
}
.catalog-block .catalog-head{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:16px 20px; flex-wrap:wrap;
}
.catalog-block .catalog-head h4{ margin:0; font-size:1.05rem; }
.catalog-block .catalog-actions{ display:flex; gap:8px; flex-wrap:wrap; }
.catalog-block .pdf-frame{ width:100%; height:70vh; border:none; border-top:1px solid var(--border); background:var(--bg-alt); }
.pending-note{
  display:flex; align-items:center; gap:10px; padding:16px 20px; color:var(--warn);
  background:color-mix(in srgb, var(--warn) 10%, transparent); font-size:.9rem; border-top:1px solid var(--border);
}
.portal-note{
  padding:16px 20px; font-size:.9rem; color:var(--text-muted); border-top:1px solid var(--border);
}

.confidential-banner{
  background:var(--accent-soft); border:1px solid var(--accent); color:var(--accent-dark);
  padding:14px 18px; border-radius:var(--radius-md); font-size:.88rem; margin-bottom:18px;
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border); padding-block:32px; margin-top:40px;
  color:var(--text-muted); font-size:.85rem;
}
.site-footer .container{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- Empty state ---------- */
.empty-state{ text-align:center; padding:60px 20px; color:var(--text-muted); }

/* ---------- Responsive ---------- */
@media (max-width:720px){
  .hero-full{ min-height:74vh; }
  .hero-slide{ background-position:center; }
  .hero-full .container{ padding-top:88px; }
  .site-header .container{ flex-wrap:wrap; }
  .header-contact{ align-items:flex-end; }
  .header-contact .header-name{ font-size:.86rem; }
  .header-contact .header-info{ font-size:.74rem; gap:6px; flex-wrap:wrap; justify-content:flex-end; }
  .brand-grid{ grid-template-columns:1fr; }
  .brand-hero{ grid-template-columns:1fr; text-align:left; }
  .brand-hero .hero-media{ aspect-ratio:16/10; }
  .toolbar{ flex-direction:column; align-items:stretch; }
  .search-box{ max-width:none; flex:0 0 auto; }
  .catalog-block .pdf-frame{ height:60vh; }
  .back-to-top{ right:16px; bottom:16px; }
}