/* ============================================================
   FOLIA CORE — TÉMA „ARCHITEKT" (FORMA STUDIO)
   Prémiový minimalistický horizontální scroll.
   Motion dle Emila Kowalského: jen transform/opacity, < 300 ms,
   cubic-bezier(.23,1,.32,1), prefers-reduced-motion, hover jen na hover.
   Self-contained (jen Google Fonts).
   ============================================================ */
:root{
  --ink:#14171c;          /* tónovaná čerň (ne #000) */
  --ink-soft:#1b2430;
  --paper:#f6f5f2;
  --paper2:#ede9e2;
  --accent:#c8a96e;       /* teplé zlaté — jediný akcent */
  --accent-d:#a8893e;
  --muted:#736f69;        /* sekundární text, dostatečný kontrast na papíru */
  --on-dark:#f6f5f2;
  --on-dark-mut:rgba(246,245,242,.72);
  --border:rgba(20,23,28,.14);
  --ff-disp:'DM Serif Display',Georgia,serif;
  --ff-body:'DM Sans',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.23,1,.32,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--ff-body);background:var(--paper);color:var(--ink);overflow:hidden}
img{display:block;max-width:100%;height:100%;object-fit:cover}
a{text-decoration:none;color:inherit}
button{font-family:var(--ff-body)}

/* icon utility */
.ic{display:inline-block;background:currentColor;
  -webkit-mask:center/contain no-repeat;mask:center/contain no-repeat;
  width:18px;height:18px;flex-shrink:0;vertical-align:middle}

/* ---- REVEAL (vstup: opacity + translate, ease-out, < 300 ms se staggerem) ---- */
.reveal{opacity:0;transform:translateX(28px);transition:opacity .28s var(--ease),transform .28s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-up{opacity:0;transform:translateY(22px);transition:opacity .28s var(--ease),transform .28s var(--ease)}
.reveal-up.in{opacity:1;transform:none}

/* ============================================================
   FIXED NAV
   ============================================================ */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;justify-content:space-between;align-items:center;
  padding:0 48px;height:72px;background:transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
#nav.scrolled{background:rgba(246,245,242,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-logo{font-family:var(--ff-disp);font-style:italic;font-size:1.5rem;letter-spacing:.04em;color:var(--ink)}
.nav-logo span{font-style:normal;font-family:var(--ff-body);font-weight:300;font-size:.82rem;letter-spacing:.24em;text-transform:uppercase;margin-left:10px;color:var(--muted)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:.82rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);opacity:.68;transition:opacity .16s var(--ease)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:var(--on-dark);
  padding:10px 22px;font-size:.8rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;
  border:none;cursor:pointer;
  transition:transform .16s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.nav-cta:active{transform:scale(.97)}
@media (hover:hover) and (pointer:fine){
  .nav-links a:hover{opacity:1}
  .nav-cta:hover{background:var(--accent);color:var(--ink)}
}

/* ============================================================
   HORIZONTAL SCROLL
   ============================================================ */
#hscroll{
  display:flex;height:100vh;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;scroll-behavior:smooth;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
#hscroll::-webkit-scrollbar{display:none}
.panel{flex-shrink:0;height:100vh;scroll-snap-align:start;position:relative;overflow:hidden}

/* PROGRESS + DOTS */
#progress-bar{position:fixed;bottom:0;left:0;z-index:200;height:3px;background:var(--accent);width:0%;transition:width .15s linear;transform-origin:left}
#panel-dots{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;gap:10px;align-items:center}
.dot{width:6px;height:6px;border-radius:50%;background:var(--ink);opacity:.25;cursor:pointer;transition:transform .2s var(--ease),opacity .2s var(--ease),background .2s var(--ease)}
.dot.active{opacity:1;background:var(--accent);transform:scale(1.35)}

/* panel label */
.panel-label{position:absolute;bottom:42px;left:48px;z-index:10;display:flex;flex-direction:column;gap:4px}
.panel-num{font-size:.68rem;letter-spacing:.25em;text-transform:uppercase;color:var(--muted)}
.panel-title-sm{font-family:var(--ff-disp);font-style:italic;font-size:1.05rem;color:var(--ink)}

/* scroll hint */
.scroll-hint{position:absolute;bottom:42px;right:48px;z-index:10;display:flex;align-items:center;gap:10px;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.scroll-hint .ic{width:16px;height:16px;animation:nudge 2.2s var(--ease) infinite}
@keyframes nudge{0%,100%{transform:translateX(0)}50%{transform:translateX(7px)}}

/* ============================================================
   PANEL 1 — HERO
   ============================================================ */
#p1{width:100vw;background:var(--paper)}
.p1-inner{height:100%;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}
.p1-left{display:flex;flex-direction:column;justify-content:flex-end;padding:0 48px 100px 48px;position:relative}
.p1-year{position:absolute;top:90px;left:48px;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.p1-brand{font-family:var(--ff-disp);font-style:italic;font-size:clamp(4.4rem,9vw,10rem);line-height:.9;letter-spacing:-.03em;color:var(--ink)}
.p1-brand em{font-style:normal;color:var(--accent-d)}
.p1-sub{margin-top:28px;max-width:400px;font-size:1.05rem;font-weight:300;line-height:1.7;color:var(--muted)}
.p1-actions{display:flex;gap:16px;margin-top:36px;align-items:center;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--ink);color:var(--on-dark);
  padding:14px 30px;font-size:.86rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  border:none;cursor:pointer;
  transition:transform .14s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn-primary:active{transform:scale(.97)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;background:none;
  color:var(--ink);font-size:.86rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  padding:14px 0;border:none;border-bottom:1.5px solid var(--ink);cursor:pointer;
  transition:transform .14s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
@media (hover:hover) and (pointer:fine){
  .btn-primary:hover{background:var(--accent);color:var(--ink)}
  .btn-ghost:hover{color:var(--accent-d);border-bottom-color:var(--accent-d)}
}
.p1-right{position:relative;overflow:hidden}
.p1-right img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.p1-right-overlay{position:absolute;bottom:0;left:0;right:0;height:55%;background:linear-gradient(transparent,rgba(14,14,14,.62))}
.p1-stats{position:absolute;bottom:100px;left:32px;display:flex;flex-direction:column;gap:18px}
.p1-stat{color:#fff}
.p1-stat .n{font-family:var(--ff-disp);font-size:2.4rem;font-style:italic;line-height:1}
.p1-stat .l{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;opacity:.82}

/* ============================================================
   PANEL 2 — STUDIO
   ============================================================ */
#p2{background:var(--ink);color:var(--on-dark)}
.p2-inner{height:100%;display:grid;grid-template-columns:1fr 1fr;gap:0}
.p2-text{display:flex;flex-direction:column;justify-content:center;padding:100px 60px}
.p2-kicker{font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.p2-h{font-family:var(--ff-disp);font-style:italic;font-size:clamp(2.2rem,3.6vw,3.6rem);line-height:1.06;color:var(--on-dark);margin-bottom:24px}
.p2-body{font-size:1rem;font-weight:300;line-height:1.75;color:var(--on-dark-mut);max-width:360px}
.p2-feats{margin-top:32px;display:flex;flex-direction:column;gap:12px}
.p2-feat{display:flex;align-items:center;gap:12px;font-size:.88rem;color:rgba(246,245,242,.9)}
.p2-feat::before{content:'';display:inline-block;width:20px;height:1px;background:var(--accent);flex-shrink:0}
.p2-photo{position:relative;overflow:hidden}
.p2-photo img{width:100%;height:100%;object-fit:cover}

/* ============================================================
   PROJEKTY (vagóny)
   ============================================================ */
.project-panel{
  background:var(--paper2);display:flex;flex-direction:column;
  border-right:1px solid var(--border);cursor:pointer;position:relative;
  transition:background .2s var(--ease);
}
.proj-photo{flex:1;overflow:hidden;position:relative}
.proj-photo img{width:100%;height:100%;object-fit:cover;transform:scale(1);transition:transform .4s var(--ease)}
.proj-cat{position:absolute;top:24px;left:24px;background:var(--paper);color:var(--ink);padding:5px 12px;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;font-weight:500}
.proj-info{padding:28px 32px;border-top:1px solid var(--border);background:var(--paper)}
.proj-name{font-family:var(--ff-disp);font-style:italic;font-size:1.5rem;line-height:1.1;margin-bottom:6px}
.proj-meta{font-size:.78rem;color:var(--muted);letter-spacing:.06em;display:flex;align-items:center;gap:12px}
.proj-meta span{display:flex;align-items:center;gap:5px}
.proj-cta{margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-d);opacity:0;transform:translateY(4px);transition:opacity .2s var(--ease),transform .2s var(--ease)}
.proj-reveal{position:absolute;left:0;bottom:0;right:0;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
@media (hover:hover) and (pointer:fine){
  .project-panel:hover{background:var(--paper)}
  .project-panel:hover .proj-reveal{transform:scaleX(1)}
  .project-panel:hover .proj-photo img{transform:scale(1.045)}
  .project-panel:hover .proj-cta{opacity:1;transform:none}
}

/* ============================================================
   SLUŽBY
   ============================================================ */
#p-svc{background:var(--paper);border-right:1px solid var(--border)}
.svc-inner{height:calc(100% - 72px);display:grid;grid-template-rows:1fr 1fr;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--border)}
.svc-card{background:var(--paper);display:flex;flex-direction:column;justify-content:flex-end;padding:36px 40px;overflow:hidden;position:relative;border-top:3px solid transparent;transition:background .22s var(--ease),border-color .22s var(--ease)}
.svc-n{font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;transition:color .22s var(--ease)}
.svc-h{font-family:var(--ff-disp);font-style:italic;font-size:1.85rem;line-height:1.05;margin-bottom:10px;transition:color .22s var(--ease)}
.svc-desc{font-size:.86rem;line-height:1.65;color:var(--muted);max-width:250px;transition:color .22s var(--ease)}
.svc-card::before{content:attr(data-n);position:absolute;top:20px;right:28px;font-family:var(--ff-disp);font-size:5rem;font-style:italic;color:var(--ink);opacity:.05;line-height:1;pointer-events:none;transition:opacity .22s var(--ease),color .22s var(--ease)}
.svc-card-wide{grid-column:span 2}
.svc-header-cell{grid-column:1;grid-row:1 / span 2;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:48px 40px;background:var(--ink);color:var(--on-dark)}
.svc-header-cell h2{font-family:var(--ff-disp);font-style:italic;font-size:clamp(1.9rem,2.8vw,2.9rem);line-height:1.04;margin-bottom:12px}
.svc-header-cell p{font-size:.9rem;font-weight:300;color:var(--on-dark-mut);max-width:210px;line-height:1.6}
@media (hover:hover) and (pointer:fine){
  .svc-card:hover{background:var(--ink);border-top-color:var(--accent)}
  .svc-card:hover .svc-n,.svc-card:hover .svc-desc{color:var(--on-dark-mut)}
  .svc-card:hover .svc-h{color:var(--accent)}
  .svc-card:hover::before{color:#fff;opacity:.08}
}
.svc-bar{position:absolute;bottom:0;left:0;right:0;height:72px;background:var(--accent);display:flex;align-items:center;padding:0 40px;gap:24px;z-index:5}
.svc-bar .b-n{font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink);opacity:.6}
.svc-bar .b-h{font-family:var(--ff-disp);font-style:italic;font-size:1.4rem;color:var(--ink)}
.svc-bar .b-note{font-size:.86rem;color:rgba(20,23,28,.7);margin-left:auto}
.svc-bar .btn-primary{padding:10px 22px;font-size:.76rem}

/* ============================================================
   RECENZE
   ============================================================ */
#p-reviews{background:var(--paper2);display:flex;flex-direction:column;padding:100px 60px;justify-content:center;border-right:1px solid var(--border)}
.rev-kicker{font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--accent-d);margin-bottom:30px}
.rev-quote{font-family:var(--ff-disp);font-style:italic;font-size:clamp(1.7rem,2.8vw,2.9rem);line-height:1.22;max-width:700px;margin-bottom:30px;color:var(--ink)}
.rev-quote::before{content:'\201E';color:var(--accent-d)}
.rev-quote::after{content:'\201C';color:var(--accent-d)}
.rev-author{display:flex;align-items:center;gap:16px;margin-bottom:56px}
.rev-avatar-init{width:48px;height:48px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-family:var(--ff-disp);font-size:1.1rem;color:var(--ink)}
.rev-name{font-weight:500;font-size:.95rem}
.rev-role{font-size:.8rem;color:var(--muted)}
.rev-stars{color:var(--accent-d);font-size:1.1rem;letter-spacing:2px;margin-top:2px}
.reviews-list{display:flex;flex-direction:column;gap:32px}
.review-card{display:grid;grid-template-columns:1fr 1fr;gap:32px;border-top:1px solid var(--border);padding-top:28px}
.review-mini p{font-size:.92rem;line-height:1.6;color:var(--ink-soft);margin-bottom:12px;font-style:italic}
.review-mini .rm-author{font-size:.8rem;font-weight:500}
.review-mini .rm-stars{color:var(--accent-d);font-size:.85rem;margin-top:4px}

/* ============================================================
   KONTAKT
   ============================================================ */
#p-contact{width:100vw;background:var(--ink);color:var(--on-dark);display:grid;grid-template-columns:1fr 1fr}
.contact-left{display:flex;flex-direction:column;justify-content:center;padding:100px 80px}
.contact-kicker{font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--accent);margin-bottom:24px}
.contact-h{font-family:var(--ff-disp);font-style:italic;font-size:clamp(2.2rem,3.6vw,4.2rem);line-height:1.04;margin-bottom:30px;color:var(--on-dark)}
.contact-items{display:flex;flex-direction:column;gap:18px;margin-bottom:38px}
.contact-item{display:flex;align-items:center;gap:14px;font-size:.95rem;color:rgba(246,245,242,.85)}
.contact-item .ic{color:var(--accent)}
.contact-item a{transition:color .16s var(--ease)}
@media (hover:hover) and (pointer:fine){.contact-item a:hover{color:var(--accent)}}
.contact-form{display:flex;flex-direction:column;gap:14px;max-width:480px}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cf-input{background:rgba(246,245,242,.08);border:1px solid rgba(246,245,242,.18);color:var(--on-dark);padding:14px 18px;font-size:.9rem;font-family:var(--ff-body);outline:none;width:100%;transition:border-color .18s var(--ease),background .18s var(--ease)}
.cf-input::placeholder{color:rgba(246,245,242,.42)}
.cf-input:focus{border-color:var(--accent);background:rgba(200,169,110,.08)}
.cf-textarea{min-height:96px;resize:vertical}
.cf-submit{align-self:flex-start;display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:var(--ink);padding:14px 30px;font-size:.86rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;border:none;cursor:pointer;transition:transform .14s var(--ease),background .2s var(--ease)}
.cf-submit:active{transform:scale(.97)}
@media (hover:hover) and (pointer:fine){.cf-submit:hover{background:var(--paper)}}
.contact-success{background:rgba(200,169,110,.12);border:1px solid var(--accent);padding:28px 30px;max-width:480px}
.contact-success strong{display:flex;align-items:center;gap:10px;font-family:var(--ff-disp);font-style:italic;font-size:1.5rem;color:var(--accent);margin-bottom:10px}
.contact-success .txt{font-size:.95rem;font-weight:300;line-height:1.6;color:var(--on-dark-mut)}
.contact-right{position:relative;overflow:hidden}
.contact-right img{width:100%;height:100%;object-fit:cover;filter:brightness(.62) grayscale(.25)}
.contact-right-text{position:absolute;bottom:60px;left:48px;right:48px;color:#fff}
.contact-right-text .big-addr{font-family:var(--ff-disp);font-style:italic;font-size:clamp(1.4rem,2.4vw,2.7rem);line-height:1.18;margin-bottom:14px}
.contact-footer{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:rgba(246,245,242,.5);font-size:.74rem;letter-spacing:.1em}

/* ============================================================
   LIGHTBOX
   ============================================================ */
#lightbox{position:fixed;inset:0;z-index:500;background:rgba(14,14,14,.95);display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .2s var(--ease)}
#lightbox.open{display:flex;opacity:1}
.lb-inner{max-width:1100px;width:92%;max-height:92vh;display:grid;grid-template-columns:1.2fr 1fr;gap:0;overflow:hidden;background:var(--paper);color:var(--ink);position:relative;transform:scale(.97);transition:transform .2s var(--ease)}
#lightbox.open .lb-inner{transform:scale(1)}
.lb-photo{position:relative;overflow:hidden;min-height:500px}
.lb-photo img{width:100%;height:100%;object-fit:cover}
.lb-info{padding:52px 44px;overflow-y:auto;display:flex;flex-direction:column}
.lb-cat{font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--accent-d);margin-bottom:16px}
.lb-name{font-family:var(--ff-disp);font-style:italic;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.02;margin-bottom:20px}
.lb-desc{font-size:.92rem;line-height:1.75;color:var(--ink-soft);margin-bottom:28px;flex:1}
.lb-specs{display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.lb-spec{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:.85rem}
.lb-spec .sk{color:var(--muted)}
.lb-spec .sv{font-weight:500}
.lb-close{position:absolute;top:16px;right:16px;z-index:10;width:40px;height:40px;background:var(--ink);color:var(--on-dark);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:transform .14s var(--ease),background .2s var(--ease),color .2s var(--ease)}
.lb-close:active{transform:scale(.94)}
@media (hover:hover) and (pointer:fine){.lb-close:hover{background:var(--accent);color:var(--ink)}}
.lb-close .ic{width:18px;height:18px}

/* ============================================================
   MOBIL — vertikální stack (overflow auto)
   ============================================================ */
@media(max-width:900px){
  body{overflow:auto}
  #nav{padding:0 22px;height:64px}
  #hscroll{display:block;height:auto;overflow:visible}
  .panel{width:100%!important;height:auto!important;min-height:0!important}
  .p1-inner{grid-template-columns:1fr;height:auto}
  .p1-right{height:62vw;min-height:240px}
  .p1-left{padding:100px 24px 56px}
  .p1-stats{position:relative;bottom:auto;left:auto;flex-direction:row;flex-wrap:wrap;gap:24px;padding:24px;background:var(--ink)}
  #p2 .p2-inner{grid-template-columns:1fr}
  .p2-text{padding:64px 24px}
  .p2-photo{height:60vw}
  .proj-photo{height:60vw}
  #p-svc .svc-inner{grid-template-columns:1fr;grid-template-rows:auto;height:auto}
  .svc-header-cell{grid-column:1;grid-row:auto}
  .svc-card-wide{grid-column:span 1}
  .svc-bar{position:relative;height:auto;flex-direction:column;align-items:flex-start;gap:10px;padding:24px}
  .svc-bar .b-note{margin-left:0}
  #p-reviews{padding:64px 24px}
  .review-card{grid-template-columns:1fr}
  #p-contact{grid-template-columns:1fr}
  .contact-right{height:64vw}
  .contact-left{padding:64px 24px}
  .cf-row{grid-template-columns:1fr}
  .lb-inner{grid-template-columns:1fr;max-height:95vh}
  .lb-photo{min-height:240px;height:56vw}
  .nav-links{display:none}
  #progress-bar,#panel-dots,.scroll-hint{display:none}
  .panel-label{position:relative;bottom:auto!important;left:auto;flex-direction:row;gap:12px;padding:14px 24px;background:var(--paper2);align-items:baseline}
}

/* ============================================================
   PREFERS-REDUCED-MOTION — vypnout pohyb, ponechat opacity/barvu
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto!important}
  .reveal,.reveal-up{transition:opacity .2s linear}
  .reveal,.reveal-up{transform:none}
  .scroll-hint .ic{animation:none}
  .proj-photo img,.proj-reveal,.lb-inner{transition:none}
}