/* ==========================================================================
   PH — Petr Hynek · aplikace pro technické firmy
   Designová identita odvozená z loga: navy #0A2A5C, modrá #1868B8,
   světlá #78C8F8 + motiv „obvodové linky" (trace) s hranatými uzly.
   ========================================================================== */

:root{
  /* barvy z loga */
  --navy-950:#061A38;
  --navy-900:#08234A;
  --navy-800:#0A2A5C;
  --blue-600:#1868B8;
  --blue-500:#2B7CCB;
  --sky-400:#58B8E8;
  --sky-300:#78C8F8;
  --sky-100:#E4F1FB;
  --sky-50:#F1F8FD;

  /* text a plochy */
  --ink-900:#0E1F3A;
  --ink-600:#3E5270;
  --ink-500:#5E7089;
  --line:#DFE7F1;
  --bg:#FFFFFF;
  --bg-soft:#F4F8FB;

  --grad-trace:linear-gradient(90deg,var(--blue-600),var(--sky-400));

  --font-head:"Space Grotesk","Inter",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;

  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(10,42,92,.05),0 4px 14px rgba(10,42,92,.06);
  --shadow-md:0 6px 18px rgba(10,42,92,.09),0 18px 44px rgba(10,42,92,.10);
  --shadow-lg:0 12px 30px rgba(6,26,56,.16),0 34px 80px rgba(6,26,56,.18);

  --header-h:74px;
}

/* ---------- reset / základ ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{
  font-family:var(--font-head);
  color:var(--ink-900);
  line-height:1.18;
  margin:0 0 .6em;
  letter-spacing:-.01em;
  text-wrap:balance;
}
h1{font-size:clamp(2rem,4.6vw,3.05rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.1vw,2.3rem);font-weight:700}
h3{font-size:1.13rem;font-weight:600;line-height:1.35}
p{margin:0 0 1em}
a{color:var(--blue-600)}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(88,184,232,.65);outline-offset:2px;border-radius:4px}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--navy-800);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}

[id]{scroll-margin-top:calc(var(--header-h) + 14px)}

.container{max-width:1160px;margin-inline:auto;padding-inline:clamp(20px,4vw,32px)}
.container-narrow{max-width:800px}

/* ---------- typografické pomůcky ---------- */
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue-600);margin:0 0 14px;
}
.eyebrow::before{
  content:"";flex:0 0 auto;width:36px;height:10px;
  background:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="36" height="10"%3E%3Cpath d="M2 5h9l3-2.6h7L24 5h10" stroke="%231868B8" stroke-width="1.7" fill="none"/%3E%3Crect x="0" y="2.3" width="5.4" height="5.4" fill="%230A2A5C"/%3E%3Crect x="30.6" y="2.3" width="5.4" height="5.4" fill="%2358B8E8"/%3E%3C/svg%3E') no-repeat center/contain;
}
.eyebrow-light{color:var(--sky-300)}

.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);line-height:1.6;color:var(--ink-600);max-width:56ch}

.section{padding:clamp(64px,9vw,110px) 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:clamp(34px,4.5vw,54px)}
.section-head h2{margin-bottom:.4em}

.accent-underline{
  background-image:linear-gradient(110deg,rgba(88,184,232,.32),rgba(24,104,184,.26));
  background-repeat:no-repeat;
  background-size:100% .32em;
  background-position:0 92%;
  -webkit-box-decoration-break:clone;
  box-decoration-break:clone;
}

/* ---------- tlačítka ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:1rem;line-height:1.2;
  padding:13px 24px;border-radius:var(--radius-sm);border:1.5px solid transparent;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background .2s,border-color .2s,color .2s,transform .15s,box-shadow .2s;
}
.btn-lg{padding:16px 30px;font-size:1.06rem}
.btn-block{width:100%}
.btn-primary{background:var(--navy-800);color:#fff}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-accent{background:var(--blue-600);color:#fff}
.btn-accent:hover{background:var(--blue-500);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue-600);color:var(--blue-600);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--navy-800)}
.btn-light:hover{background:var(--sky-100)}

/* ---------- hlavička ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s,box-shadow .25s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 4px 24px rgba(10,42,92,.06)}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand-logo{width:42px;height:auto;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--font-head);font-size:1.06rem;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.brand-text span{font-size:.74rem;font-weight:500;color:var(--ink-500);letter-spacing:.02em}

.main-nav{display:flex;align-items:center;gap:clamp(14px,2vw,26px)}
.main-nav a:not(.btn){
  font-size:.95rem;font-weight:500;color:var(--ink-600);text-decoration:none;
  padding:6px 2px;position:relative;
}
.main-nav a:not(.btn)::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--grad-trace);transition:right .22s ease;
}
.main-nav a:not(.btn):hover{color:var(--navy-800)}
.main-nav a:not(.btn):hover::after{right:0}
.nav-cta{padding:10px 20px;font-size:.93rem}

.nav-toggle{
  display:none;background:none;border:0;cursor:pointer;padding:10px;margin-right:-10px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink-900);margin:5px 0;border-radius:2px;transition:transform .25s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:calc(var(--header-h) + clamp(48px,7vw,92px)) 0 clamp(64px,8vw,104px);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(52% 46% at 84% 0%,rgba(120,200,248,.20),transparent 70%),
    linear-gradient(rgba(10,42,92,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(10,42,92,.045) 1px,transparent 1px);
  background-size:auto,46px 46px,46px 46px;
  -webkit-mask-image:linear-gradient(180deg,#000 55%,transparent 96%);
  mask-image:linear-gradient(180deg,#000 55%,transparent 96%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:minmax(0,10fr) minmax(0,9fr);
  gap:clamp(36px,5vw,64px);align-items:center;
}
.hero-copy h1{margin-bottom:.55em}
.hero-copy .lead{margin-bottom:1.9em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-segments{font-size:.86rem;font-weight:500;color:var(--ink-500);letter-spacing:.01em;margin:0}

.hero-visual{position:relative}
.browser-frame{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-md);
}
.browser-bar{
  display:flex;align-items:center;gap:7px;
  padding:10px 14px;background:#F2F6FA;border-bottom:1px solid var(--line);
}
.b-dot{width:10px;height:10px;border-radius:50%;background:#D4DEE9}
.browser-url{
  margin-left:10px;flex:1;max-width:340px;
  font-size:.76rem;font-weight:500;color:var(--ink-500);
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:3px 14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.hero-visual .browser-frame{transform:rotate(.4deg)}

.float-chip{
  position:absolute;z-index:2;
  display:flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-md);
  padding:10px 16px;font-size:.85rem;font-weight:500;color:var(--ink-600);
  animation:float 7s ease-in-out infinite alternate;
}
.float-chip strong{font-family:var(--font-head);font-size:1.15rem;font-weight:700;color:var(--navy-800)}
.float-chip::before{content:"";width:9px;height:9px;background:var(--grad-trace);flex:0 0 auto}
.chip-a{top:-20px;left:-26px}
.chip-b{bottom:-18px;right:-14px;animation-delay:-3.5s}
@keyframes float{from{transform:translateY(-4px)}to{transform:translateY(6px)}}

/* ---------- karty ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#BFD7EE}
.card h3{margin:0 0 .35em}
.card p{margin:0;font-size:.95rem;line-height:1.6;color:var(--ink-600)}
.card-icon{
  width:46px;height:46px;border-radius:12px;
  background:var(--sky-100);display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.card-icon svg{width:24px;height:24px;fill:none;stroke:var(--blue-600);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card-compact{padding:22px 20px 20px}
.card-compact h3{font-size:1.02rem}
.card-compact p{font-size:.9rem}

.badge{
  position:absolute;top:16px;right:16px;
  font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue-600);background:var(--sky-100);
  padding:4px 10px;border-radius:20px;
}
.card-concept{padding-right:30px}
.config-flow{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px !important}
.config-flow span{
  font-size:.78rem;font-weight:600;color:var(--navy-800);
  background:var(--sky-50);border:1px solid var(--sky-100);border-radius:8px;padding:3px 9px;
}
.config-flow span:not(:last-child)::after{content:" →";color:var(--sky-400)}
.config-flow .cf-last{background:var(--navy-800);border-color:var(--navy-800);color:#fff}

/* ---------- callout ---------- */
.callout{
  margin-top:clamp(30px,4vw,44px);
  background:linear-gradient(120deg,var(--sky-50),#fff);
  border:1px solid var(--sky-100);border-left:4px solid;
  border-image:linear-gradient(180deg,var(--blue-600),var(--sky-400)) 1;
  border-radius:0 var(--radius) var(--radius) 0;
  padding:22px 28px;max-width:820px;
}
.callout p{margin:0;font-size:1.05rem;color:var(--ink-600)}
.callout strong{color:var(--ink-900)}

/* ---------- řešení: checklist + pipeline ---------- */
.check-grid{
  list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px 20px;max-width:900px;margin-bottom:30px;
}
.check-grid li{
  display:flex;align-items:center;gap:11px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:13px 16px;font-weight:500;color:var(--ink-900);font-size:.95rem;
}
.check-grid li::before{
  content:"";flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--sky-100);
  background-image:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231868B8" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"%3E%3Cpath d="M20 6 9 17l-5-5"/%3E%3C/svg%3E');
  background-size:12px;background-position:center;background-repeat:no-repeat;
}
.process-note{font-size:1.12rem;font-weight:600;color:var(--ink-900);margin-bottom:38px}

.pipeline{
  list-style:none;display:flex;justify-content:space-between;position:relative;
  max-width:900px;counter-reset:pipe;
}
.pipeline::before{
  content:"";position:absolute;top:7px;left:24px;right:24px;height:2px;
  background:var(--grad-trace);
}
.pipeline li{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;
  font-family:var(--font-head);font-weight:600;color:var(--ink-900);font-size:.98rem;
  min-width:64px;
}
.pipe-node{
  width:16px;height:16px;background:var(--navy-800);
  outline:4px solid #fff;position:relative;z-index:1;
}
.pipeline li:last-child .pipe-node{background:var(--sky-400)}
.section-soft .pipe-node{outline-color:var(--bg-soft)}

/* ---------- case study (navy) ---------- */
.section-navy{
  background:linear-gradient(180deg,var(--navy-800),var(--navy-950));
  color:#B9CBE4;position:relative;overflow:hidden;
}
.section-navy::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.9;
  background:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="280" height="280"%3E%3Cg stroke="%2378C8F8" stroke-opacity=".07" fill="none" stroke-width="1.4"%3E%3Cpath d="M20 60h90l20-20h60"/%3E%3Cpath d="M40 220h70l24 24h70"/%3E%3Cpath d="M240 40v70l-24 20v60"/%3E%3C/g%3E%3Cg fill="%2378C8F8" fill-opacity=".10"%3E%3Crect x="16" y="56" width="8" height="8"/%3E%3Crect x="186" y="36" width="8" height="8"/%3E%3Crect x="200" y="240" width="8" height="8"/%3E%3Crect x="236" y="36" width="8" height="8"/%3E%3C/g%3E%3C/svg%3E');
}
.section-navy > .container{position:relative}
.section-navy h2,.section-navy h3{color:#fff}
.section-navy .lead{color:#B9CBE4}

.case-cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);margin-bottom:40px}
.case-col h3{
  font-size:.85rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--sky-300);margin-bottom:12px;
}
.case-col p{color:#C7D6EA;margin:0}
.case-list{list-style:none;display:grid;gap:9px;color:#C7D6EA}
.case-list li{display:flex;gap:11px;align-items:baseline}
.case-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;background:var(--sky-400);transform:translateY(-1px)}

.case-stats{
  display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,0px);
  border-block:1px solid rgba(120,200,248,.18);
  padding:22px 0;margin-bottom:44px;
}
.case-stats .stat{flex:1 1 150px;display:flex;flex-direction:column;gap:2px;padding-inline:clamp(0px,2vw,28px)}
.case-stats .stat:first-child{padding-left:0}
.case-stats .stat + .stat{border-left:1px solid rgba(120,200,248,.18)}
.stat strong{font-family:var(--font-head);font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;color:#fff;line-height:1.1}
.stat span{font-size:.85rem;color:#9DB4D4}

.case-shot{display:block;position:relative;border-radius:var(--radius);text-decoration:none}
.case-shot .browser-frame{border-color:rgba(120,200,248,.25);box-shadow:var(--shadow-lg);margin:0}
.case-shot-overlay{
  position:absolute;inset:0;z-index:2;border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  background:rgba(6,26,56,.34);opacity:0;transition:opacity .25s ease;
}
.case-shot:hover .case-shot-overlay,.case-shot:focus-visible .case-shot-overlay{opacity:1}

.case-thumbs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.case-thumb{
  display:block;background:#fff0;border:1px solid rgba(120,200,248,.22);border-radius:var(--radius);
  overflow:hidden;text-decoration:none;
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.case-thumb:hover{transform:translateY(-4px);border-color:var(--sky-400);box-shadow:var(--shadow-lg)}
.case-thumb img{width:100%}
.case-thumb span{
  display:block;padding:12px 16px;font-size:.88rem;font-weight:500;color:#C7D6EA;
  background:rgba(8,35,74,.72);
}

.case-cta{text-align:center;margin-top:44px}
.case-note{margin:18px auto 0;font-size:.82rem;color:#8AA2C4;max-width:520px}

/* ---------- pro koho ---------- */
.segment-grid{
  list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;
  max-width:960px;
}
.segment-grid li{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:15px 18px;font-weight:600;color:var(--ink-900);font-size:.97rem;
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.segment-grid li:hover{border-color:#BFD7EE;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.segment-grid li::before{
  content:"";flex:0 0 auto;width:9px;height:9px;background:var(--grad-trace);
}

/* ---------- kroky spolupráce ---------- */
.steps{list-style:none;max-width:720px;position:relative;display:grid;gap:6px}
.steps li{
  position:relative;display:grid;grid-template-columns:52px 1fr;gap:20px;
  padding-bottom:26px;
}
.steps li::before{
  content:"";position:absolute;left:25px;top:56px;bottom:2px;width:2px;
  background:linear-gradient(180deg,var(--blue-600),var(--sky-400));opacity:.35;
}
.steps li:last-child::before{display:none}
.step-num{
  width:52px;height:52px;border-radius:14px;
  background:var(--navy-800);color:#fff;
  font-family:var(--font-head);font-size:1.35rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.steps h3{margin:0 0 .25em;padding-top:2px}
.steps p{margin:0;color:var(--ink-600)}

/* ---------- ROI ---------- */
.roi-example{
  display:flex;flex-wrap:wrap;align-items:center;gap:clamp(12px,2.4vw,26px);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:clamp(22px,3vw,34px) clamp(22px,3.4vw,40px);
  margin-bottom:26px;
}
.roi-part{display:flex;flex-direction:column;gap:2px}
.roi-part strong{font-family:var(--font-head);font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;color:var(--ink-900);line-height:1.05}
.roi-part span{font-size:.83rem;color:var(--ink-500)}
.roi-op{font-family:var(--font-head);font-size:clamp(1.3rem,2.4vw,1.7rem);color:var(--sky-400);font-weight:600}
.roi-result strong{color:var(--blue-600)}
.roi-note{max-width:720px;font-size:1.05rem;margin-bottom:clamp(30px,4vw,42px)}

.calc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-md);overflow:hidden;
}
.calc > h3{padding:26px 32px 0;margin:0 0 8px;font-size:1.25rem}
.calc-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.calc-inputs{padding:18px 32px 30px;display:grid;gap:20px}
.field label{display:block;font-size:.9rem;font-weight:600;color:var(--ink-900);margin-bottom:8px}
.field .opt{font-weight:400;color:var(--ink-500)}
.field-row{display:flex;align-items:center;gap:16px}
.field-row input[type="range"]{flex:1;accent-color:var(--blue-600);height:26px}
.field-row input[type="number"]{
  width:96px;flex:0 0 auto;
  font:inherit;font-weight:600;color:var(--ink-900);text-align:right;
  border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:9px 12px;
  background:#fff;
}
.field-row input[type="number"]:focus{border-color:var(--blue-600);outline:none;box-shadow:0 0 0 3px rgba(88,184,232,.25)}

.calc-results{
  background:linear-gradient(175deg,var(--navy-800),var(--navy-950));
  color:#B9CBE4;padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:2px;
  position:relative;overflow:hidden;
}
.calc-results::before{
  content:"";position:absolute;right:-30px;top:-30px;width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(120,200,248,.18),transparent 70%);
}
.calc-results-label{font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sky-300);margin:0 0 10px}
.calc-hours,.calc-money{margin:0;font-size:1rem;color:#9DB4D4}
.calc-hours strong,.calc-money strong{font-family:var(--font-head);font-weight:700;color:#fff;font-size:clamp(1.7rem,2.6vw,2.3rem);line-height:1.25;font-variant-numeric:tabular-nums}
.calc-money{margin-top:6px}
.calc-money strong{color:var(--sky-300)}
.calc-foot{margin:16px 0 0;font-size:.78rem;color:#8AA2C4}

/* ---------- proč já ---------- */
.why-grid{gap:26px 24px}
.why-item{position:relative;padding-top:18px}
.why-item::before{
  content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--grad-trace);
}
.why-item h3{margin-bottom:.35em}
.why-item p{margin:0;font-size:.95rem}

/* ---------- o mně ---------- */
.about-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,5vw,70px);align-items:start}
.about-wrap .section-head{margin-bottom:0}
.about-quote{font-size:clamp(1.5rem,2.8vw,2.1rem);line-height:1.3}
.about-text p{color:var(--ink-600)}
.about-sign{display:flex;align-items:center;gap:14px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.about-sign img{width:34px}
.about-sign div{display:flex;flex-direction:column;line-height:1.35}
.about-sign strong{font-family:var(--font-head);color:var(--ink-900);font-size:1.05rem}
.about-sign span{font-size:.83rem;color:var(--ink-500)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:#BFD7EE;box-shadow:var(--shadow-sm)}
.faq-item h3{margin:0;font-size:1rem}
.faq-item button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;cursor:pointer;text-align:left;
  font:inherit;font-family:var(--font-head);font-weight:600;font-size:1.02rem;color:var(--ink-900);
  padding:18px 22px;
}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--sky-100);position:relative;
  transition:background .2s;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--blue-600);
  transition:transform .25s ease,background .2s;
}
.faq-ico::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-ico::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.faq-item.open .faq-ico{background:var(--navy-800)}
.faq-item.open .faq-ico::before{background:#fff}
.faq-item.open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg);background:#fff}
.faq-panel{padding:0 22px 20px;max-width:64ch}
.faq-panel p{margin:0;color:var(--ink-600)}

/* ---------- kontakt ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,10fr) minmax(0,9fr);gap:clamp(36px,5vw,72px);align-items:start}
.contact-copy h2{font-size:clamp(1.7rem,3.2vw,2.45rem)}
.contact-points{list-style:none;display:grid;gap:12px;margin:26px 0 30px;color:#C7D6EA}
.contact-points li{display:flex;gap:12px;align-items:baseline}
.contact-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;background:var(--sky-400);transform:translateY(-1px)}
.contact-direct{color:#9DB4D4;font-size:.95rem}
.contact-direct a{color:var(--sky-300);font-weight:600;text-decoration-color:rgba(120,200,248,.4)}

.contact-form-wrap{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:clamp(24px,3vw,34px);
}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden;margin:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
#contactForm .field{margin-bottom:16px}
#contactForm label{display:block;font-size:.88rem;font-weight:600;color:var(--ink-900);margin-bottom:7px}
#contactForm input[type="text"],
#contactForm input[type="email"],
#contactForm input[type="tel"],
#contactForm textarea{
  width:100%;font:inherit;color:var(--ink-900);
  border:1.5px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 14px;background:#FBFDFF;
  transition:border-color .2s,box-shadow .2s;
}
#contactForm textarea{resize:vertical;min-height:120px}
#contactForm input:focus,#contactForm textarea:focus{
  border-color:var(--blue-600);outline:none;box-shadow:0 0 0 3px rgba(88,184,232,.25);background:#fff;
}
#contactForm input.err,#contactForm textarea.err{border-color:#D65A5A}
.form-status{margin:12px 0 0;font-size:.88rem;color:var(--ink-600);min-height:1.2em}
.form-status.error{color:#C64C4C}

.form-success{text-align:center;padding:34px 10px}
.fs-icon{
  width:60px;height:60px;border-radius:16px;background:var(--sky-100);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}
.fs-icon svg{width:30px;height:30px;fill:none;stroke:var(--blue-600);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.form-success h3{color:var(--ink-900)}
.form-success p{color:var(--ink-600);margin:0}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-950);color:#9DB4D4;padding:56px 0 0}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,4fr) minmax(0,3fr);
  gap:clamp(28px,4vw,60px);padding-bottom:40px;
  border-bottom:1px solid rgba(120,200,248,.14);
}
.footer-brand img{width:40px;margin-bottom:14px}
.footer-brand p{margin:0;font-size:.92rem;line-height:1.6}
.footer-brand strong{color:#fff;font-family:var(--font-head);font-size:1.05rem}
.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;align-content:start}
.footer-nav a{color:#B9CBE4;text-decoration:none;font-size:.92rem}
.footer-nav a:hover{color:var(--sky-300)}
.footer-contact{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.footer-contact > a:first-child{color:var(--sky-300);font-weight:600;text-decoration:none;font-size:.95rem}
.footer-contact > a:first-child:hover{text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;
  padding-block:20px;font-size:.8rem;color:#7D95B8;
}
.footer-bottom p{margin:0}

/* ---------- animace při scrollu ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:none}
.no-observer .reveal{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .float-chip{animation:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- responsivita ---------- */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .hero-copy{max-width:640px}
  .hero-visual{max-width:660px}
  .chip-a{left:-8px}
  .chip-b{right:-4px}
  .about-wrap{grid-template-columns:1fr;gap:26px}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .contact-form-wrap{max-width:640px}
}

@media (max-width:860px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .segment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-cols{grid-template-columns:1fr;gap:26px}
  .case-thumbs{grid-template-columns:1fr}
  .calc-grid{grid-template-columns:1fr}
  .calc-results{padding:26px 32px}
  .footer-grid{grid-template-columns:1fr;gap:30px}

  /* mobilní navigace */
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;inset:var(--header-h) 0 auto 0;z-index:99;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(10,42,92,.14);
    padding:14px clamp(20px,4vw,32px) 22px;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform .25s ease,opacity .25s ease,visibility .25s;
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .main-nav a:not(.btn){padding:12px 4px;font-size:1.05rem;border-bottom:1px solid var(--bg-soft)}
  .main-nav a:not(.btn)::after{display:none}
  .nav-cta{margin-top:12px;justify-content:center;padding:14px}
}

@media (max-width:560px){
  body{font-size:15.5px}
  .grid-2,.grid-3,.grid-4,.check-grid,.segment-grid{grid-template-columns:1fr}
  .brand-text span{display:none}
  .hero{padding-top:calc(var(--header-h) + 40px)}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .float-chip{padding:8px 12px;font-size:.78rem}
  .float-chip strong{font-size:1rem}
  .chip-a{top:-14px}
  .chip-b{bottom:-12px}
  .pipeline{flex-direction:column;align-items:flex-start;gap:18px}
  .pipeline::before{top:8px;bottom:8px;left:7px;right:auto;width:2px;height:auto;background:linear-gradient(180deg,var(--blue-600),var(--sky-400))}
  .pipeline li{flex-direction:row;gap:14px;min-width:0}
  .roi-example{flex-direction:column;align-items:flex-start;gap:10px}
  .roi-op{display:none}
  .roi-part{flex-direction:row;align-items:baseline;gap:10px}
  .roi-result{margin-top:6px;padding-top:14px;border-top:1px dashed var(--line);width:100%}
  .form-row{grid-template-columns:1fr}
  .steps li{grid-template-columns:44px 1fr;gap:14px}
  .step-num{width:44px;height:44px;font-size:1.15rem;border-radius:12px}
  .steps li::before{left:21px;top:50px}
  .case-stats .stat{flex:1 1 40%;padding:0}
  .case-stats .stat + .stat{border-left:0}
  .case-stats{gap:16px}
}

/* ---------- bloky referencí (více case studies v jedné sekci) ---------- */
.case-block + .case-block{
  margin-top:clamp(56px,7vw,88px);
  padding-top:clamp(48px,6vw,72px);
  border-top:1px solid rgba(120,200,248,.18);
}
.case-block-head{max-width:760px;margin-bottom:clamp(28px,3.5vw,40px)}
.case-block-head h3{
  font-family:var(--font-head);font-size:clamp(1.5rem,2.8vw,2.05rem);font-weight:700;
  color:#fff;margin:0 0 .35em;line-height:1.2;
}
.case-block-head .lead{color:#B9CBE4;margin:0}
.case-tag{
  display:inline-block;margin-bottom:14px;
  font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--sky-300);background:rgba(120,200,248,.12);
  border:1px solid rgba(120,200,248,.25);border-radius:20px;padding:5px 14px;
}
.case-col h4{
  font-size:.85rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--sky-300);margin:0 0 12px;
}

/* ---------- procesní tok (4 kroky) ---------- */
.flow{
  list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-bottom:clamp(36px,4.5vw,52px);
}
.flow li{
  position:relative;display:flex;flex-direction:column;gap:6px;
  background:rgba(120,200,248,.06);border:1px solid rgba(120,200,248,.18);
  border-radius:var(--radius);padding:20px 18px;
}
.flow li:not(:last-child)::after{
  content:"";position:absolute;top:50%;right:-12px;width:12px;height:2px;
  background:var(--sky-400);opacity:.5;
}
.flow-num{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;margin-bottom:6px;
  background:var(--blue-600);color:#fff;
  font-family:var(--font-head);font-weight:700;font-size:.95rem;
  display:flex;align-items:center;justify-content:center;
}
.flow strong{color:#fff;font-family:var(--font-head);font-size:1rem;font-weight:600}
.flow span:not(.flow-num){color:#9DB4D4;font-size:.88rem;line-height:1.5}

/* ---------- mockupy telefonu ---------- */
.phones{
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:clamp(24px,4vw,52px);margin-bottom:clamp(30px,4vw,42px);
}
.phone{margin:0;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:270px}
.phone-screen{
  width:100%;background:#0B1B33;border:8px solid #14243D;border-radius:30px;
  padding:0;overflow:hidden;box-shadow:var(--shadow-lg);
  position:relative;
}
.phone-screen::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:2;
  width:38%;height:16px;background:#14243D;border-radius:0 0 12px 12px;
}
.phone-screen img{width:100%;display:block}
.phone figcaption{font-size:.86rem;color:#9DB4D4;text-align:center;line-height:1.45}

@media (max-width:860px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow li:nth-child(2)::after{display:none}
}
@media (max-width:560px){
  .flow{grid-template-columns:1fr}
  .flow li::after{display:none !important}
  .phones{gap:30px}
  .phone{max-width:230px}
}

/* ---------- ukázka PDF exportu (ověřitelný podpis) ---------- */
.export{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,8fr);
  gap:clamp(28px,4vw,56px);align-items:center;
  margin-bottom:clamp(30px,4vw,42px);
}
.export-doc{margin:0}
.export-doc img{
  width:100%;border-radius:10px;
  border:1px solid rgba(120,200,248,.22);
  box-shadow:var(--shadow-lg);
}
.export-doc figcaption{
  margin-top:12px;font-size:.8rem;color:#8AA2C4;text-align:center;
}
.export-info h4{
  font-family:var(--font-head);font-size:clamp(1.15rem,1.9vw,1.4rem);font-weight:700;
  color:#fff;margin:0 0 .5em;
}
.export-info > p{color:#C7D6EA;margin-bottom:1.2em}
.export-list{list-style:none;display:grid;gap:16px;margin-bottom:22px}
.export-list li{
  display:grid;gap:3px;padding-left:20px;position:relative;
}
.export-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:9px;height:9px;background:var(--grad-trace);
}
.export-list strong{color:#fff;font-family:var(--font-head);font-size:1rem;font-weight:600}
.export-list span{color:#9DB4D4;font-size:.9rem;line-height:1.55}
.export-note{
  margin:0;font-size:.92rem;color:#C7D6EA;
  border-left:3px solid var(--sky-400);padding-left:16px;
}

@media (max-width:860px){
  .export{grid-template-columns:1fr;gap:30px}
  .export-doc{max-width:520px;margin-inline:auto}
}

/* ---------- ukázka dokumentů (strany nabídky) ---------- */
.docs{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(22px,3.5vw,44px);margin-bottom:clamp(28px,3.5vw,40px);
  max-width:900px;margin-inline:auto;
}
.doc{margin:0}
.doc img{
  width:100%;border-radius:8px;background:#fff;
  border:1px solid rgba(120,200,248,.22);
  box-shadow:var(--shadow-lg);
  transition:transform .25s ease;
}
.doc:hover img{transform:translateY(-4px)}
.doc figcaption{
  margin-top:12px;font-size:.86rem;color:#9DB4D4;text-align:center;line-height:1.45;
}
.case-note-solo{margin-top:0;max-width:640px}

@media (max-width:640px){
  .docs{grid-template-columns:1fr;max-width:420px}
}

/* ---------- náhled aplikace v rámu prohlížeče (uvnitř tmavé sekce) ---------- */
.app-shot{margin:0 0 clamp(26px,3.5vw,38px);max-width:940px;margin-inline:auto}
.app-shot .browser-frame{border-color:rgba(120,200,248,.25);box-shadow:var(--shadow-lg)}
.app-shot figcaption{
  margin-top:14px;font-size:.88rem;color:#9DB4D4;text-align:center;line-height:1.45;
}

/* varianta callout pro tmavé pozadí */
.callout-dark{
  background:linear-gradient(120deg,rgba(120,200,248,.10),rgba(120,200,248,.02));
  border:1px solid rgba(120,200,248,.22);
  border-left:4px solid var(--sky-400);
  border-image:none;
  border-radius:0 var(--radius) var(--radius) 0;
  margin-inline:auto;
}
.callout-dark p{color:#C7D6EA}
.callout-dark strong{color:#fff}