/* =========================================================
   Dílna na Sladko — stylesheet
   Design tokens: cream / beige / dusty rose / muted gold
   Display: Fraunces · Script: Playball · Body: Inter
   ========================================================= */

:root{
  --cream:      #FBF6EF;
  --white:      #FFFFFF;
  --beige:      #EFE2CE;
  --beige-soft: #F5EADA;
  --rose:       #E6B3B9;
  --rose-deep:  #C77E88;
  --gold:       #B8924F;
  --gold-soft:  #D9BE8C;
  --ink:        #3B2E26;
  --ink-soft:   #7A6A5E;
  --shadow:     0 20px 45px -20px rgba(59,46,38,.35);
  --radius:     18px;
  --ease:       cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:'Inter', system-ui, sans-serif;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3{
  font-family:'Fraunces', serif;
  font-weight:500;
  line-height:1.1;
  margin:0 0 .4em;
  letter-spacing:-.01em;
}
h1 em, h2 em{ font-style:italic; font-weight:500; color:var(--rose-deep); }

p{ margin:0 0 1em; color:var(--ink-soft); line-height:1.7; }

a{ color:inherit; text-decoration:none; }

img{ max-width:100%; display:block; }

.wrap{ max-width:1180px; margin:0 auto; padding:0 24px; }

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--ink); color:var(--cream);
  padding:12px 20px; z-index:999; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

.eyebrow{
  font-family:'Inter',sans-serif;
  font-weight:600;
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
  margin:0 0 .6em;
}
.eyebrow.center{ text-align:center; }
.center{ text-align:center; }
h2.center{ max-width:640px; margin-left:auto; margin-right:auto; }
.section-lead{ max-width:560px; }
.section-lead.center{ margin-left:auto; margin-right:auto; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:15px 32px;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.01em;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
  cursor:pointer;
  border:1.5px solid transparent;
}
.btn-primary{ background:var(--ink); color:var(--cream); }
.btn-primary:hover{ background:var(--rose-deep); transform:translateY(-2px); box-shadow:var(--shadow); }
.btn-ghost{ background:transparent; border-color:rgba(59,46,38,.35); color:var(--ink); }
.btn-ghost:hover{ border-color:var(--ink); background:rgba(59,46,38,.06); transform:translateY(-2px); }
.btn-block{ width:100%; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold); outline-offset:3px;
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:200;
  background:rgba(251,246,239,0);
  transition:background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
}
.site-header.scrolled{
  background:rgba(251,246,239,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 8px 30px -18px rgba(59,46,38,.4);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 24px;
  transition:padding .4s var(--ease);
}
.site-header.scrolled .header-inner{ padding:12px 24px; }

.logo{ display:flex; align-items:baseline; gap:8px; line-height:1; }
.logo-script{
  font-family:'Playball', cursive;
  font-size:1.9rem;
  color:var(--rose-deep);
}
.logo-caps{
  font-family:'Inter',sans-serif;
  font-weight:600;
  font-size:.68rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--ink);
  align-self:center;
}

.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav a{
  font-size:.92rem; font-weight:500; color:var(--ink);
  position:relative; padding:4px 0;
}
.main-nav a:not(.nav-cta)::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:1.5px;
  background:var(--gold); transition:width .3s var(--ease);
}
.main-nav a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
  background:var(--ink); color:var(--cream) !important;
  padding:10px 22px; border-radius:999px;
  transition:background .3s var(--ease);
}
.nav-cta:hover{ background:var(--rose-deep); }

.burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:transparent; border:none; cursor:pointer;
  padding:0;
}
.burger span{ width:24px; height:2px; background:var(--ink); transition:transform .3s var(--ease), opacity .3s var(--ease); margin:0 auto; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:flex-end;
  overflow:hidden;
}
.hero-media{ position:absolute; inset:0; }
.hero-media img{
  width:100%; height:100%; object-fit:cover; object-position:center 30%;
  transform:scale(1.08);
  animation:heroZoom 12s var(--ease) forwards;
}
@keyframes heroZoom{ to{ transform:scale(1); } }
.hero-scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(59,46,38,.15) 0%, rgba(59,46,38,.15) 35%, rgba(30,20,15,.75) 100%);
}
.hero-content{ position:relative; z-index:2; color:var(--cream); padding-bottom:100px; }
.hero-content .eyebrow{ color:var(--gold-soft); }
.hero h1{
  font-size:clamp(3rem, 8vw, 6rem);
  color:var(--cream);
  margin-bottom:.2em;
}
.hero-sub{
  font-size:1.15rem; color:rgba(251,246,239,.88); max-width:480px;
  margin-bottom:1.6em;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }
.hero .btn-ghost{ color:var(--cream); border-color:rgba(251,246,239,.55); }
.hero .btn-ghost:hover{ background:rgba(251,246,239,.12); border-color:var(--cream); }
.hero .btn-primary{ background:var(--cream); color:var(--ink); }
.hero .btn-primary:hover{ background:var(--rose); color:var(--ink); }

.scroll-hint{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%); z-index:2;
  width:26px; height:42px; border:1.5px solid rgba(251,246,239,.6); border-radius:20px;
}
.scroll-hint span{
  display:block; width:4px; height:8px; background:var(--cream); border-radius:2px;
  margin:7px auto; animation:scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot{ 0%{ opacity:0; transform:translateY(0); } 30%{ opacity:1; } 100%{ opacity:0; transform:translateY(14px); } }

/* =========================================================
   SIGNATURE SWIRL DIVIDER
   ========================================================= */
.swirl-divider{
  position:relative; height:64px; overflow:hidden;
  color:transparent; font-size:0;
}
.swirl-divider::before{
  content:'';
  position:absolute; left:50%; top:50%; width:1400px; max-width:200%;
  height:40px; transform:translate(-50%,-50%);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 700 40'><path d='M0 20 C 20 2, 40 2, 60 20 S 100 38, 120 20 S 160 2, 180 20 S 220 38, 240 20 S 280 2, 300 20 S 340 38, 360 20 S 400 2, 420 20 S 460 38, 480 20 S 520 2, 540 20 S 580 38, 600 20 S 640 2, 660 20 S 700 38, 700 20' fill='none' stroke='%23B8924F' stroke-width='2.5' stroke-linecap='round' opacity='0.55'/></svg>");
  background-repeat:repeat-x;
  background-size:350px 40px;
}
.swirl-flip::before{ transform:translate(-50%,-50%) scaleY(-1); }

/* =========================================================
   SECTION GENERIC
   ========================================================= */
.section{ padding:100px 0; position:relative; }
.onas{ background:var(--white); }
.galerie{ background:var(--cream); }
.nabidka{ background:var(--beige-soft); }
.proc-my{ background:var(--white); }
.kontakt{ background:var(--cream); }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* =========================================================
   O NÁS
   ========================================================= */
.onas-grid{
  display:grid; grid-template-columns:.85fr 1fr; gap:64px; align-items:center;
}
.onas-media{ position:relative; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.onas-media img{ width:100%; height:100%; object-fit:cover; aspect-ratio:3/4; }
.onas-media-tag{
  position:absolute; left:20px; bottom:20px; background:rgba(251,246,239,.92);
  padding:10px 18px; border-radius:999px; font-size:.8rem; font-weight:600; color:var(--ink);
  backdrop-filter:blur(6px);
}
.onas-text h2{ font-size:clamp(2rem, 4vw, 2.6rem); }
.onas-points{ list-style:none; padding:0; margin:1.4em 0 0; display:flex; flex-direction:column; gap:12px; }
.onas-points li{
  padding-left:28px; position:relative; color:var(--ink); font-weight:500; font-size:.95rem;
}
.onas-points li::before{
  content:''; position:absolute; left:0; top:6px; width:14px; height:14px;
  border-radius:50%; background:var(--rose);
  box-shadow:0 0 0 3px var(--beige-soft);
}

/* =========================================================
   GALERIE
   ========================================================= */
.filters{
  display:flex; flex-wrap:wrap; justify-content:center; gap:10px; margin:2.4em 0 3em;
}
.filter-btn{
  font-family:'Inter',sans-serif; font-size:.85rem; font-weight:600;
  padding:10px 20px; border-radius:999px; border:1.5px solid rgba(59,46,38,.2);
  background:transparent; color:var(--ink-soft); cursor:pointer;
  transition:all .3s var(--ease);
}
.filter-btn:hover{ border-color:var(--gold); color:var(--ink); }
.filter-btn.active{ background:var(--ink); border-color:var(--ink); color:var(--cream); }

.gallery-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:16px;
  grid-auto-flow:dense;
}
.g-item{
  position:relative; border-radius:14px; overflow:hidden; cursor:pointer;
  aspect-ratio:3/4; background:var(--beige);
  box-shadow:0 10px 25px -18px rgba(59,46,38,.5);
  transition:transform .25s var(--ease), opacity .3s ease;
}
.g-item.hidden{ display:none; }
.g-item img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.g-item:hover img{ transform:scale(1.08); }
.g-item:hover{ transform:translateY(-4px); }
.g-item .g-cat{
  position:absolute; left:10px; bottom:10px; z-index:2;
  background:rgba(59,46,38,.75); color:var(--cream); font-size:.68rem; font-weight:600;
  letter-spacing:.06em; text-transform:uppercase; padding:5px 10px; border-radius:999px;
  opacity:0; transition:opacity .3s var(--ease);
}
.g-item:hover .g-cat{ opacity:1; }

/* lightbox */
.lightbox{
  position:fixed; inset:0; z-index:500; background:rgba(20,14,10,.94);
  display:flex; align-items:center; justify-content:center; padding:40px;
}
.lightbox[hidden]{ display:none; }
.lightbox img{ max-width:min(90vw, 900px); max-height:78vh; border-radius:10px; box-shadow:0 30px 60px rgba(0,0,0,.5); }
.lb-caption{ position:absolute; bottom:26px; left:0; right:0; text-align:center; color:var(--cream); font-size:.9rem; opacity:.85; }
.lb-close, .lb-prev, .lb-next{
  position:absolute; background:transparent; border:none; color:var(--cream); cursor:pointer;
  font-size:1.6rem; line-height:1; padding:12px; transition:opacity .2s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover{ opacity:.6; }
.lb-close{ top:18px; right:22px; font-size:2rem; }
.lb-prev{ left:10px; top:50%; transform:translateY(-50%); }
.lb-next{ right:10px; top:50%; transform:translateY(-50%); }

/* =========================================================
   NABÍDKA
   ========================================================= */
.offer-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:28px; margin-top:3em;
}
.offer-card{
  background:var(--white); border-radius:var(--radius); overflow:hidden;
  box-shadow:0 14px 34px -22px rgba(59,46,38,.4);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease);
}
.offer-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.offer-img{ aspect-ratio:4/3; overflow:hidden; }
.offer-img img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.offer-card:hover .offer-img img{ transform:scale(1.06); }
.offer-card h3{ margin:20px 24px 8px; font-size:1.25rem; }
.offer-card p{ margin:0 24px 22px; font-size:.92rem; }

/* =========================================================
   PROČ MY
   ========================================================= */
.reasons-grid{
  display:grid; grid-template-columns:repeat(5, 1fr); gap:24px; margin-top:3em;
}
.reason{ text-align:center; padding:0 8px; }
.reason-icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:64px; height:64px; border-radius:50%; margin-bottom:18px;
  background:var(--beige-soft); color:var(--rose-deep);
}
.reason h3{ font-size:1.05rem; margin-bottom:.4em; }
.reason p{ font-size:.88rem; }

/* =========================================================
   KONTAKT
   ========================================================= */
.kontakt-grid{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:64px;
}
.kontakt-info h2{ font-size:clamp(2rem, 4vw, 2.6rem); }
.kontakt-list{ list-style:none; padding:0; margin:1.8em 0; display:flex; flex-direction:column; gap:18px; }
.kontakt-list li{ display:flex; flex-direction:column; gap:2px; }
.kontakt-label{ font-size:.75rem; text-transform:uppercase; letter-spacing:.14em; color:var(--gold); font-weight:600; }
.kontakt-list a{ font-size:1.15rem; font-weight:600; color:var(--ink); transition:color .25s; }
.kontakt-list a:hover{ color:var(--rose-deep); }

.fb-btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:13px 24px; border-radius:999px; border:1.5px solid rgba(59,46,38,.25);
  font-weight:600; font-size:.9rem; transition:all .3s var(--ease);
}
.fb-btn:hover{ background:var(--ink); color:var(--cream); border-color:var(--ink); }

.kontakt-form{
  background:var(--white); padding:40px; border-radius:var(--radius);
  box-shadow:var(--shadow);
  display:flex; flex-direction:column; gap:20px;
}
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row-2{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-row-2 > div{ display:flex; flex-direction:column; gap:6px; }
label{ font-size:.82rem; font-weight:600; color:var(--ink); }
input, textarea{
  font-family:'Inter',sans-serif; font-size:.95rem; color:var(--ink);
  border:1.5px solid rgba(59,46,38,.18); border-radius:10px; padding:13px 15px;
  background:var(--cream); transition:border-color .25s;
  resize:vertical;
}
input:focus, textarea:focus{ border-color:var(--gold); outline:none; }
.form-note{ font-size:.78rem; color:var(--ink-soft); text-align:center; margin:0; }

.kontakt-form[hidden]{ display:none; }

input.field-invalid, textarea.field-invalid{ border-color:var(--rose-deep); }

.form-error{
  font-size:.85rem; color:var(--rose-deep); background:rgba(199,126,136,.1);
  border:1px solid rgba(199,126,136,.35); border-radius:10px; padding:12px 15px; margin:0;
}
.form-error a{ font-weight:600; text-decoration:underline; }

.btn[disabled]{ opacity:.6; cursor:not-allowed; }
.btn[disabled]:hover{ transform:none; box-shadow:none; }

.kontakt-success{
  align-items:center; text-align:center; justify-content:center;
  gap:10px;
}
.kontakt-success .success-icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:64px; height:64px; border-radius:50%;
  background:var(--beige-soft); color:var(--rose-deep);
  margin:0 auto 6px;
}
.kontakt-success h3{ font-family:'Fraunces', serif; font-size:1.5rem; margin:0 0 .3em; }
.kontakt-success p{ margin:0; max-width:400px; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background:var(--ink); color:var(--cream); padding:48px 0; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap:10px; text-align:center; }
.footer-logo .logo-script{ color:var(--rose); }
.footer-logo .logo-caps{ color:var(--cream); }
.footer-copy{ color:rgba(251,246,239,.7); font-size:.85rem; margin:0; }
.footer-credit{ color:rgba(251,246,239,.55); font-size:.8rem; margin:0; }
.footer-credit a{ color:var(--gold-soft); font-weight:600; }
.footer-credit a:hover{ text-decoration:underline; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px){
  .onas-grid{ grid-template-columns:1fr; gap:36px; }
  .kontakt-grid{ grid-template-columns:1fr; gap:44px; }
  .offer-grid{ grid-template-columns:repeat(2, 1fr); }
  .reasons-grid{ grid-template-columns:repeat(3, 1fr); gap:32px 20px; }
  .gallery-grid{ grid-template-columns:repeat(3, 1fr); }
}

@media (max-width: 720px){
  .main-nav{
    position:fixed; top:0; right:0; height:100svh; width:min(78vw, 320px);
    background:var(--cream); flex-direction:column; align-items:flex-start;
    padding:110px 32px 40px; gap:26px;
    transform:translateX(100%); transition:transform .4s var(--ease);
    box-shadow:-10px 0 40px rgba(59,46,38,.15);
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav a{ font-size:1.1rem; }
  .nav-cta{ margin-top:10px; }
  .burger{ display:flex; }

  .hero-content{ padding-bottom:70px; }
  .section{ padding:72px 0; }
  .offer-grid{ grid-template-columns:1fr; }
  .reasons-grid{ grid-template-columns:repeat(2, 1fr); }
  .gallery-grid{ grid-template-columns:repeat(2, 1fr); }
  .form-row-2{ grid-template-columns:1fr; }
  .kontakt-form{ padding:28px; }
  .lb-prev, .lb-next{ font-size:1.2rem; padding:8px; }
}

@media (max-width: 420px){
  .gallery-grid{ grid-template-columns:repeat(2, 1fr); gap:10px; }
  .logo-script{ font-size:1.5rem; }
  .logo-caps{ font-size:.58rem; }
}