*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}

img,
.media-card,
.panel-decor svg,
picture,
video{ border-radius:28px; overflow:hidden }
img{display:block;max-width:100%;height:auto}

html{ scroll-behavior:smooth; scroll-snap-type:y mandatory }
body{
  font: 400 16px/1.55 -apple-system,BlinkMacSystemFont,"Inter","SF Pro Display","Segoe UI",Roboto,sans-serif;
  background:#0a0a0c;color:#f5f5f7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ===== TOP NAV ===== */
nav.topnav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 32px;
  font-size:.82rem;letter-spacing:.04em;font-weight:500;
  transition:background .25s ease, backdrop-filter .25s ease;
}
nav.topnav.scrolled{
  background:rgba(10,10,12,.72);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
}
nav.topnav .brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;text-decoration:none;font-weight:600;letter-spacing:.02em;
  mix-blend-mode:difference;
}
nav.topnav .brand-mark{
  width:30px;height:30px;border-radius:8px;
  background:#f5f5f7;color:#1d1d1f;
  display:grid;place-items:center;font-weight:700;font-size:.82rem;
}
nav.topnav .nav-mid{display:flex;gap:28px;mix-blend-mode:difference}
nav.topnav .nav-mid a{color:#fff;text-decoration:none;opacity:.78;transition:opacity .15s}
nav.topnav .nav-mid a:hover{opacity:1}
nav.topnav .nav-end{display:flex;gap:14px;align-items:center;mix-blend-mode:difference}
nav.topnav .nav-end a{color:#fff;text-decoration:none;opacity:.78;transition:opacity .15s}
nav.topnav .nav-end a:hover{opacity:1}
.nav-toggle{display:none;background:none;border:0;padding:6px;cursor:pointer;mix-blend-mode:difference}
.nav-toggle svg{width:22px;height:22px;stroke:#fff}
@media (max-width:920px){
  nav.topnav .nav-mid{display:none}
  .nav-toggle{display:block}
  nav.topnav .nav-mid.open{
    display:flex;flex-direction:column;gap:14px;
    position:absolute;top:100%;left:0;right:0;
    background:rgba(10,10,12,.92);backdrop-filter:blur(14px);
    padding:20px 32px;mix-blend-mode:normal;
  }
}

/* ===== TESLA PANELS ===== */
main{margin:0;padding:0}

.panel{
  position:relative;
  min-height:100vh;
  width:100%;
  display:flex;align-items:center;justify-content:center;
  padding:96px 24px 64px;
  overflow:hidden;
  scroll-snap-align:start;
}
.panel--top    { align-items:flex-start; padding-top:120px }
.panel--bottom { align-items:flex-end;   padding-bottom:96px }
.panel--short  { min-height:auto; padding:140px 24px 80px } /* for subpage hero / smaller stages */

/* Backgrounds — alternating dark / light */
.panel--intro{
  background:
    radial-gradient(ellipse at 50% 30%, rgba(0,200,180,.20) 0%, transparent 60%),
    linear-gradient(180deg,#040608 0%,#0d1a18 100%);
  color:#f5f5f7;
}
.panel--platforma{
  background:
    radial-gradient(circle at 30% 70%, rgba(110,200,130,.22) 0%, transparent 65%),
    linear-gradient(180deg,#fafaf8 0%,#ececec 100%);
  color:#1d1d1f;
}
.panel--payt{
  background:
    radial-gradient(ellipse at 70% 40%, rgba(0,140,200,.22) 0%, transparent 60%),
    linear-gradient(180deg,#050c14 0%,#0e1a26 100%);
  color:#f5f5f7;
}
.panel--obcan{
  background:
    radial-gradient(circle at 60% 50%, rgba(0,200,200,.18) 0%, transparent 55%),
    linear-gradient(180deg,#f5f7f7 0%,#dde6e6 100%);
  color:#1d1d1f;
}
.panel--ai{
  background:
    radial-gradient(ellipse at 80% 20%, rgba(140,100,255,.18) 0%, transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(0,200,255,.14) 0%, transparent 55%),
    linear-gradient(180deg,#0a0612 0%,#15131c 100%);
  color:#f5f5f7;
}
.panel--inovacie{
  background:
    radial-gradient(ellipse at 50% 50%, rgba(255,180,80,.10) 0%, transparent 55%),
    linear-gradient(135deg,#0a0a0c 0%,#0e2a1f 50%,#0e2030 100%);
  color:#f5f5f7;
}
.panel--bio{
  background:
    radial-gradient(ellipse at 30% 60%, rgba(180,160,90,.18) 0%, transparent 60%),
    linear-gradient(180deg,#f8f6f0 0%,#e4ddc8 100%);
  color:#1d1d1f;
}
.panel--case{
  background:
    radial-gradient(ellipse at 50% 40%, rgba(0,200,140,.16) 0%, transparent 60%),
    linear-gradient(180deg,#08110c 0%,#0d1a14 100%);
  color:#f5f5f7;
}
.panel--cta{
  background:
    radial-gradient(ellipse at 50% 60%, rgba(0,200,180,.18) 0%, transparent 60%),
    linear-gradient(180deg,#050608 0%,#1d1d1f 100%);
  color:#f5f5f7;
}
/* Generic dark feature panel for subpages */
.panel--dark{
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,255,255,.06) 0%, transparent 60%),
    linear-gradient(180deg,#0a0a0c 0%,#15131c 100%);
  color:#f5f5f7;
}
.panel--light{
  background:
    radial-gradient(ellipse at 50% 0%, rgba(15,107,62,.10) 0%, transparent 60%),
    linear-gradient(180deg,#fafaf8 0%,#ececec 100%);
  color:#1d1d1f;
}

/* Decor */
.panel-decor{ position:absolute;inset:0;pointer-events:none;display:flex;align-items:center;justify-content:center;opacity:.16;z-index:0 }
.panel-decor svg{width:min(70vw,820px);height:auto}

.panel-inner{
  position:relative;z-index:1;
  max-width:1040px;width:100%;
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:18px;
}
.panel-inner--wide{max-width:1200px}

.eyebrow{ font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;font-weight:500;opacity:.72 }
.title{ font-size:clamp(2.4rem,5.6vw,4.4rem);line-height:1.05;font-weight:500;letter-spacing:-.01em;margin:0 }
.title strong{font-weight:600}
.title--sm{ font-size:clamp(1.8rem,4vw,3rem) }
.lead{ font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.55;max-width:760px;margin:0 auto;opacity:.86;font-weight:400 }
.cta{display:flex;gap:14px;margin-top:18px;flex-wrap:wrap;justify-content:center}
.btn{
  display:inline-block;padding:13px 36px;border-radius:999px;
  font-size:.82rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  text-decoration:none;min-width:200px;text-align:center;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .18s, color .18s, border-color .18s, transform .18s;
}
.btn:hover{transform:translateY(-1px)}

/* Buttons on dark / light */
.panel--intro .btn--primary, .panel--payt .btn--primary, .panel--ai .btn--primary,
.panel--inovacie .btn--primary, .panel--case .btn--primary, .panel--cta .btn--primary,
.panel--dark .btn--primary{ background:rgba(245,245,247,.95);color:#1d1d1f }
.panel--intro .btn--primary:hover, .panel--payt .btn--primary:hover, .panel--ai .btn--primary:hover,
.panel--inovacie .btn--primary:hover, .panel--case .btn--primary:hover, .panel--cta .btn--primary:hover,
.panel--dark .btn--primary:hover{ background:#fff }

.panel--intro .btn--secondary, .panel--payt .btn--secondary, .panel--ai .btn--secondary,
.panel--inovacie .btn--secondary, .panel--case .btn--secondary, .panel--cta .btn--secondary,
.panel--dark .btn--secondary{
  background:rgba(20,20,24,.55);color:#f5f5f7;border-color:rgba(245,245,247,.65);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.panel--intro .btn--secondary:hover, .panel--payt .btn--secondary:hover, .panel--ai .btn--secondary:hover,
.panel--inovacie .btn--secondary:hover, .panel--case .btn--secondary:hover, .panel--cta .btn--secondary:hover,
.panel--dark .btn--secondary:hover{ background:rgba(20,20,24,.78) }

.panel--platforma .btn--primary, .panel--obcan .btn--primary, .panel--bio .btn--primary,
.panel--light .btn--primary{ background:#1d1d1f;color:#fff }
.panel--platforma .btn--primary:hover, .panel--obcan .btn--primary:hover, .panel--bio .btn--primary:hover,
.panel--light .btn--primary:hover{ background:#000 }

.panel--platforma .btn--secondary, .panel--obcan .btn--secondary, .panel--bio .btn--secondary,
.panel--light .btn--secondary{
  background:rgba(255,255,255,.55);color:#1d1d1f;border-color:rgba(29,29,31,.55);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.panel--platforma .btn--secondary:hover, .panel--obcan .btn--secondary:hover, .panel--bio .btn--secondary:hover,
.panel--light .btn--secondary:hover{ background:rgba(255,255,255,.85);border-color:#1d1d1f }

/* Chips */
.chips{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.chip{
  font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;
  padding:7px 16px;border-radius:999px;border:1px solid currentColor;opacity:.72;font-weight:500;
}
.panel--platforma .chip,.panel--obcan .chip,.panel--bio .chip,.panel--light .chip{
  border-color:rgba(29,29,31,.45);color:#1d1d1f;
}

/* Modules grid (used on home & platforma index) */
.modules{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px 28px;margin-top:24px;max-width:880px;width:100%;
  font-size:.92rem;letter-spacing:.02em;
}
.modules > div, .modules > a{
  display:flex;align-items:center;gap:10px;padding:8px 0;
  border-top:1px solid rgba(29,29,31,.12);font-weight:500;
  color:inherit;text-decoration:none;
}
.modules > a:hover{color:#0f6b3e}
.modules > div::before, .modules > a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0;opacity:.6;
}
@media(max-width:720px){ .modules{grid-template-columns:1fr;gap:0;font-size:.95rem} }

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:24px;max-width:760px;width:100%}
.stats .num{font-size:clamp(2.2rem,4.4vw,3.4rem);font-weight:500;letter-spacing:-.02em;line-height:1;color:#fff}
.panel--light .stats .num,.panel--platforma .stats .num,.panel--obcan .stats .num,.panel--bio .stats .num{color:#1d1d1f}
.stats .lab{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;margin-top:8px;opacity:.66}
@media(max-width:600px){.stats{grid-template-columns:1fr;gap:20px}}

/* Features grid (subpages) */
.features{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;margin-top:28px;width:100%;max-width:1040px;
}
.feature{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:22px;padding:22px 22px 24px;text-align:left;
  display:flex;flex-direction:column;gap:8px;
  transition:transform .18s, background .18s, border-color .18s;
}
.feature:hover{transform:translateY(-2px);background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}
.panel--light .feature, .panel--platforma .feature, .panel--obcan .feature, .panel--bio .feature{
  background:rgba(255,255,255,.7);border-color:rgba(29,29,31,.08);
}
.panel--light .feature:hover, .panel--platforma .feature:hover, .panel--obcan .feature:hover, .panel--bio .feature:hover{
  background:#fff;border-color:rgba(29,29,31,.16);
  box-shadow:0 20px 50px -20px rgba(15,107,62,.18);
}
.feature .ico{
  width:42px;height:42px;border-radius:12px;
  background:rgba(0,200,180,.16);color:#00c8b4;
  display:grid;place-items:center;
}
.panel--light .feature .ico, .panel--platforma .feature .ico, .panel--obcan .feature .ico, .panel--bio .feature .ico{
  background:rgba(15,107,62,.12);color:#0f6b3e;
}
.feature .ico svg{width:22px;height:22px}
.feature h3{font-size:1.05rem;font-weight:600;letter-spacing:-.01em;margin:0;color:inherit}
.feature p{font-size:.92rem;line-height:1.5;opacity:.85;margin:0}
@media(max-width:880px){.features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.features{grid-template-columns:1fr}}

/* Use case scenário */
.usecases{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;margin-top:28px;width:100%;max-width:1040px;
}
.usecase{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:22px;padding:24px;text-align:left;
}
.panel--light .usecase, .panel--platforma .usecase, .panel--obcan .usecase, .panel--bio .usecase{
  background:rgba(255,255,255,.7);border-color:rgba(29,29,31,.08);
}
.usecase .uc-eye{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;opacity:.6;margin-bottom:6px;font-weight:500}
.usecase h3{font-size:1.15rem;font-weight:600;letter-spacing:-.01em;margin:0 0 10px}
.usecase p{font-size:.95rem;line-height:1.55;opacity:.88;margin:0 0 12px}
.usecase ol{margin:0;padding-left:1.2rem;font-size:.92rem;line-height:1.5;opacity:.88}
.usecase ol li{margin-bottom:4px}
@media(max-width:780px){.usecases{grid-template-columns:1fr}}

/* Phone mockup */
.phone{
  width:240px;height:480px;margin:6px auto 0;
  border-radius:42px;border:8px solid #1d1d1f;
  background:linear-gradient(180deg,#0a0a0c 0%,#0e1a18 100%);
  position:relative;overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.4);
}
.phone::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:100px;height:18px;background:#1d1d1f;border-radius:0 0 12px 12px;z-index:2;
}
.phone-screen{
  position:absolute;inset:0;padding:30px 18px 14px;
  display:flex;flex-direction:column;gap:10px;color:#f5f5f7;
  font-size:.7rem;line-height:1.3;
}
.phone-row{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
  border-radius:10px;padding:9px 10px;display:flex;align-items:center;gap:8px;
}
.phone-row .dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.phone-row .dot--y{background:#ffd56a}
.phone-row .dot--g{background:#6ed59a}
.phone-row .dot--b{background:#7ec9e6}
.phone-row strong{font-weight:600;letter-spacing:.02em}
.phone-row span{opacity:.65;margin-left:auto;font-size:.65rem}

/* Showcase media card (rounded "screenshot" / mockup) */
.media-card{
  width:min(86%, 720px);
  margin-top:18px;
  background:linear-gradient(135deg,#0e1a18 0%,#0a0a0c 100%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 30px 80px -30px rgba(0,200,180,.35),0 12px 40px -10px rgba(0,0,0,.55);
  padding:22px 24px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:20px;
  text-align:left;
}
.panel--platforma .media-card,.panel--obcan .media-card,.panel--bio .media-card,.panel--light .media-card{
  background:linear-gradient(135deg,#fff 0%,#f1efe9 100%);
  border-color:rgba(29,29,31,.08);
  box-shadow:0 30px 80px -30px rgba(15,107,62,.25),0 12px 40px -10px rgba(0,0,0,.18);
}
.media-card .mc-pane{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);
  border-radius:18px;padding:14px 16px;
  display:flex;flex-direction:column;gap:8px;
}
.panel--platforma .media-card .mc-pane,.panel--obcan .media-card .mc-pane,
.panel--bio .media-card .mc-pane,.panel--light .media-card .mc-pane{
  background:rgba(255,255,255,.7);border-color:rgba(29,29,31,.06);
}
.media-card .mc-eye{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;opacity:.55;font-weight:500}
.media-card .mc-num{font-size:1.7rem;font-weight:500;letter-spacing:-.02em;line-height:1}
.media-card .mc-row{display:flex;align-items:center;gap:8px;font-size:.78rem;opacity:.85}
.media-card .mc-bar{flex:1;height:5px;background:rgba(255,255,255,.12);border-radius:99px;overflow:hidden}
.panel--platforma .media-card .mc-bar,.panel--obcan .media-card .mc-bar,
.panel--bio .media-card .mc-bar,.panel--light .media-card .mc-bar{ background:rgba(29,29,31,.1) }
.media-card .mc-bar > i{display:block;height:100%;background:#00c8b4;border-radius:99px}
.panel--platforma .media-card .mc-bar > i,.panel--light .media-card .mc-bar > i{background:#0f6b3e}
@media (max-width:720px){.media-card{grid-template-columns:1fr;width:92%}}

/* Side dot nav */
.dotnav{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:14px}
.dotnav a{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.28);transition:background .2s, transform .2s;display:block}
.dotnav a:hover{background:rgba(255,255,255,.7);transform:scale(1.4)}
.dotnav a.active{background:#fff;transform:scale(1.4)}
@media (max-width:780px){ .dotnav{display:none} }

/* Scroll hint */
.scroll-hint{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;
  opacity:.55;z-index:2;animation:bounce 2.4s ease-in-out infinite;
}
@keyframes bounce{
  0%,100%{transform:translateX(-50%) translateY(0);opacity:.55}
  50%    {transform:translateX(-50%) translateY(6px);opacity:.95}
}

/* Breadcrumb (subpages) */
.crumb{
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
  opacity:.55;margin-bottom:4px;
}
.crumb a{color:inherit;text-decoration:none}
.crumb a:hover{opacity:1;text-decoration:underline}

/* Footer */
footer{background:#040608;color:#7d8780;padding:48px 32px 28px;font-size:.84rem}
footer .foot-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;gap:32px;flex-wrap:wrap}
footer a{color:#cdd6d0;text-decoration:none}
footer a:hover{color:#fff}
footer .foot-links{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
footer .foot-mini{font-size:.72rem;color:#5a6862;letter-spacing:.04em}
footer .foot-contacts{display:flex;gap:36px;flex-wrap:wrap}
footer .foot-contact{display:flex;flex-direction:column;gap:2px;min-width:170px}
footer .foot-contact-label{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:#7a8b83;margin-bottom:8px;font-weight:500}
footer .foot-contact-name{color:#fff;font-weight:500;font-size:.88rem;margin-bottom:4px}
footer .foot-contact a{font-size:.8rem;line-height:1.7}
footer .foot-bottom{width:100%;display:flex;justify-content:space-between;gap:24px;padding-top:22px;margin-top:8px;border-top:1px solid rgba(255,255,255,.08);flex-wrap:wrap;align-items:center}

@media(max-width:720px){
  html{scroll-snap-type:none}
  .panel{min-height:auto;padding:120px 22px 80px}
  .panel--short{padding:120px 22px 60px}
  .modules{font-size:.95rem}
  nav.topnav{padding:14px 20px}
}