/* IMPERION shared visual checkpoint — 2026-11-12
   This stylesheet is opt-in via body[data-imperion-design], so the validated
   registration rules, controllers and event data are untouched.
   Photographic assets already belong to the public repository; CSS overlays
   preserve the readability of real headings and functional links. */
body[data-imperion-design] {
  --imp-bg:#081c22;
  --imp-bg2:#0e2a2e;
  --imp-paper:#142f32;
  --imp-gold:#f2cb7f;
  --imp-gold-strong:#ffe29f;
  --imp-light:#f9f1e4;
  --imp-muted:#d5dfda;
  --imp-edge:#8c977c8c;
  --imp-shadow:0 22px 56px rgba(0,7,12,.32);
  --imp-scene:url("images/imperion-hero-cinematic-20261112.webp");
  background:radial-gradient(ellipse 74% 24% at 72% 0%,#2b514770,transparent 90%),
             linear-gradient(180deg,#091d24,#0a2027 67%,#07171c);
  color:#f9f1e4;
  color-scheme:dark;
  font-family:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.63;
  -webkit-font-smoothing:antialiased;
}
body[data-imperion-design="academy"],
body[data-imperion-design="academy-course"],
body[data-imperion-design="academy-a2"] { --imp-scene:url("images/hero-scholar.webp"); }
body[data-imperion-design="druzina"],
body[data-imperion-design="druzina-start"],
body[data-imperion-design="druzina-join"],
body[data-imperion-design="druzina-safety"],
body[data-imperion-design="druzina-rules"],
body[data-imperion-design="druzina-teambuilding"],
body[data-imperion-design="druzina-ranks"],
body[data-imperion-design="druzina-pricing"],
body[data-imperion-design="praha-hema"] { --imp-scene:url("images/hero-knight.webp"); }
body[data-imperion-design="walkers"],
body[data-imperion-design="walkers-event"],
body[data-imperion-design="calendar"],
body[data-imperion-design="events"] { --imp-scene:url("images/hero-ranger.webp"); }
body[data-imperion-design="register"] { --imp-scene:url("images/main_hero.webp"); }
body[data-imperion-design="hub"],
body[data-imperion-design="corporate"],
body[data-imperion-design="corporate-sub"] { --imp-scene:url("images/hero-scholar.webp"); }
body[data-imperion-design="stories"] { --imp-scene:url("images/walkers_group.webp"); }

body[data-imperion-design] :is(h1,h2,h3) {
  font-family:Georgia,"Spectral","Times New Roman",serif;
  letter-spacing:-.028em;
  text-wrap:balance;
}
body[data-imperion-design] :is(.eyebrow,.kicker,.overline) {
  color:#f2cb7f;
  font-size:clamp(12px,1.1vw,14px);
  letter-spacing:.13em;
  font-weight:800;
}
body[data-imperion-design] :is(.nav,.top,header.top,header.nav) {
  background:linear-gradient(180deg,rgba(8,22,26,.95),rgba(13,31,34,.93));
  border-bottom:1px solid rgba(237,191,118,.38);
  color:#f7e6c5;
  backdrop-filter:blur(12px);
}
body[data-imperion-design] :is(.brand,.logo,.brand a,.nav .brand,.top .brand) {
  color:#fbe4ae;
  font-family:Georgia,"Spectral",serif;
  font-size:clamp(18px,1.7vw,24px);
  letter-spacing:.018em;
  text-shadow:0 2px 9px #030e15a3;
}
body[data-imperion-design] :is(.brand small,.brand span,.logo small) {
  color:#d6d8cb;
  font-family:system-ui,sans-serif;
  font-size:11px;
  letter-spacing:.06em;
}
body[data-imperion-design] :is(.tabs-bar,.tabs) {
  background:rgba(11,34,38,.95);
  border-color:rgba(213,179,116,.25);
}
body[data-imperion-design] .tab-btn {
  color:#e0e7dd;
  font-size:clamp(13px,1.1vw,15px);
  min-height:44px;
}
body[data-imperion-design] :is(.tab-btn.active,.tab-btn[aria-current="page"]) {
  background:rgba(245,203,124,.14);
  color:#ffe4a6;
  border-color:rgba(251,215,153,.44);
}
body[data-imperion-design] :is(.langs button,.lang button,.languages button) {
  border-color:#d2b77594;
  color:#f7eee0;
  font-weight:700;
}
body[data-imperion-design] :is(.langs button[aria-pressed="true"],.lang button[aria-pressed="true"],.languages button[aria-pressed="true"]) {
  background:#f7d389;
  color:#152522;
  border-color:#ffe4b1;
}

/* Matching themed hero artwork and atmospheric amber/teal palette. */
body[data-imperion-design] .hero {
  position:relative;
  isolation:isolate;
  background-color:#101f25;
  background-image:
    linear-gradient(90deg,rgba(7,19,26,.96) 0%,rgba(7,24,29,.89) 31%,rgba(8,30,33,.67) 65%,rgba(8,25,25,.39) 100%),
    linear-gradient(0deg,rgba(8,21,24,.9),transparent 55%),
    var(--imp-scene);
  background-size:cover;
  background-position:center,center,center 34%;
  border-bottom:1px solid rgba(249,204,125,.27);
  box-shadow:inset 0 -52px 72px rgba(7,25,29,.58);
  min-height:clamp(395px,53vw,610px);
  padding:clamp(48px,6.8vw,103px) 0;
}
body[data-imperion-design] .hero > .wrap,
body[data-imperion-design] .hero > .hero-grid {
  position:relative;
  z-index:2;
}
body[data-imperion-design] .hero .hero-visuals {
  opacity:.34;
  mix-blend-mode:screen;
  pointer-events:none;
}
body[data-imperion-design] .hero .hero-scrim {
  background:linear-gradient(90deg,#07161ff7,#102e348e 65%,#0b232f1c);
}
body[data-imperion-design] .hero h1 {
  font-family:Georgia,"Spectral",serif;
  font-size:clamp(39px,5vw,73px);
  line-height:1.09;
  max-width:930px;
  color:#fff5e4;
  text-shadow:0 3px 18px #030e14e8;
}
body[data-imperion-design] .hero :is(.tagline,.lead,.intro,.sub,.lede,.hero-mission) {
  font-size:clamp(17px,1.55vw,21px);
  line-height:1.6;
  max-width:800px;
  color:#f3e9de;
  text-shadow:0 2px 12px #041116a5;
}
body[data-imperion-design] :is(.hero,.revenue-head) :is(h1,h2) em {
  color:#ffda94;
  font-style:italic;
}
body[data-imperion-design] .hero :is(.hero-ctas,.actions,.ctas) {
  gap:12px;
  margin-top:24px;
}
/* The primary CTA always has DARK text on GOLD, including nested text nodes. */
body[data-imperion-design] :is(.hero .btn.solid,.hero .btn.primary,.hero .btn-primary,.hero a.primary,.hero .primary,.hero .btn:not(.secondary):first-child,.pitch .mobile-jump,.hero .actions .btn-primary) {
  background:linear-gradient(180deg,#ffe29a,#efc06a);
  border:2px solid #ffe4ac;
  color:#15211e !important;
  font-weight:800;
  text-shadow:none !important;
  border-radius:12px;
  box-shadow:0 9px 30px rgba(221,156,62,.19);
  padding:12px 21px;
  min-height:47px;
}
body[data-imperion-design] :is(.hero .btn.solid,.hero .btn.primary,.hero .btn-primary,.hero a.primary,.hero .primary,.hero .actions .btn-primary) :is(span,strong,small,em) {
  color:#15211e !important;
  text-shadow:none !important;
}
body[data-imperion-design] :is(.hero .btn.solid,.hero a.primary,.hero .btn-primary):hover {
  background:linear-gradient(180deg,#ffedb4,#f5cf83);
  color:#101e1c !important;
}
body[data-imperion-design] :is(.hero .btn:not(.solid):not(.primary),.hero .btn.secondary,.hero .secondary) {
  background:rgba(9,24,29,.82);
  color:#fff0d2;
  border:1px solid #e6c180ad;
  border-radius:12px;
}
body[data-imperion-design] :is(.btn,.button,.primary,.secondary) {
  font-size:clamp(14px,1.28vw,17px);
  line-height:1.35;
}
body[data-imperion-design] a:focus-visible,
body[data-imperion-design] button:focus-visible,
body[data-imperion-design] summary:focus-visible,
body[data-imperion-design] input:focus-visible {
  outline:3px solid #ffe1a0;
  outline-offset:3px;
}

/* Thematic sections and cards share rounded dark teal panels. */
body[data-imperion-design] main :is(.card,.feature-card,.revenue-card,.event-card,.event,.step,.service-card,.service-tile,.fact,.panel,.workflow) {
  border-radius:clamp(12px,1.4vw,18px);
  border-color:rgba(184,188,145,.43);
  box-shadow:0 9px 30px rgba(4,15,21,.16);
}
body[data-imperion-design] main :is(.card,.feature-card,.revenue-card,.event-card,.service-card,.service-tile,.fact) {
  background:linear-gradient(145deg,rgba(25,60,64,.95),rgba(13,37,45,.97));
  color:#f5f2e6;
}
body[data-imperion-design] main :is(.card,.feature-card,.revenue-card,.event-card,.service-card,.service-tile,.fact) :is(p,small,li) {
  color:#dce8e2;
}
body[data-imperion-design] main :is(.card,.feature-card,.revenue-card,.event-card,.service-card,.service-tile,.fact) :is(h2,h3,h4) {
  color:#fff0d4;
}
body[data-imperion-design] main :is(.card,.feature-card,.revenue-card,.event-card,.service-card,.service-tile,.fact) a {
  color:#ffe4a6;
}
body[data-imperion-design] main :is(h2,h3):not(.hero h2) {
  line-height:1.22;
}
body[data-imperion-design] main > :is(section,article):not(.hero) {
  scroll-margin-top:96px;
}
body[data-imperion-design] :is(.btn,.button,.tab-btn,button) {transition:filter .14s,border-color .14s;}
body[data-imperion-design] :is(.btn,.button):hover {filter:brightness(1.09);}
body[data-imperion-design] :is(.footer,footer) {
  border-top-color:rgba(244,197,109,.34);
}

/* Route-specific hero images and layouts without changing their forms or data. */
body[data-imperion-design="academy"] .hero,
body[data-imperion-design="academy-course"] .hero,
body[data-imperion-design="academy-a2"] .hero {
  background-position:center,center,center 25%;
}
body[data-imperion-design="druzina"] .hero,
body[data-imperion-design="druzina-start"] .hero,
body[data-imperion-design="druzina-join"] .hero {
  background-position:center,center,center 43%;
}
body[data-imperion-design="walkers"] .hero,
body[data-imperion-design="calendar"] .hero,
body[data-imperion-design="walkers-event"] .hero {
  background-position:center,center,center 57%;
}
body[data-imperion-design="register"] .pitch {
  background:
    linear-gradient(105deg,rgba(12,29,36,.95),rgba(13,37,42,.82)),
    var(--imp-scene) center/cover;
  border:1px solid rgba(245,202,126,.43);
  border-radius:20px;
  box-shadow:var(--imp-shadow);
  padding:clamp(22px,3vw,38px);
}
body[data-imperion-design="register"] :is(.panel,.event-calendar) {
  background:#102d34;
  border:1px solid rgba(203,178,125,.57);
  color:#f7f2e8;
  border-radius:19px;
  box-shadow:var(--imp-shadow);
}
body[data-imperion-design="register"] #rsvpForm :is(input,select,textarea) {
  background:#0c232c;
  color:#fbf4e5;
  border:1px solid #64847d;
}
body[data-imperion-design="register"] #rsvpForm :is(label,.sub) {font-size:15px;}
body[data-imperion-design="register"] #rsvpForm :is(input,select,textarea)::placeholder {color:#bfcfc9;opacity:1;}
body[data-imperion-design="register"] #rsvpForm button[type="submit"] {
  background:#f5cf84;color:#15231e;border:1px solid #ffe0a3;
  font-weight:800;
}
body[data-imperion-design="register"] .pitch h1 {
  font:600 clamp(37px,4.5vw,64px)/1.08 Georgia,"Spectral",serif;
  color:#fff2de;
}
body[data-imperion-design="events"] .lang-page,
body[data-imperion-design="hub"] .hero,
body[data-imperion-design="stories"] main {
  background-image:
    linear-gradient(115deg,rgba(7,23,30,.96),rgba(12,39,43,.84) 63%,rgba(10,29,34,.66)),
    var(--imp-scene);
  background-size:cover;
  background-position:center;
  border:1px solid rgba(245,205,136,.25);
  border-radius:18px;
}
body[data-imperion-design="events"] .event {
  background:linear-gradient(150deg,#17383e,#0e2632);
  border:1px solid rgba(225,190,122,.52);
  color:#f4f1e7;
}
body[data-imperion-design="events"] .event :is(h2,h3,p) {color:#f5eee1;}
body[data-imperion-design="hub"] :is(.card,.hero) {box-shadow:var(--imp-shadow);}
body[data-imperion-design="hub"] a.primary {background:#f3cf84;color:#102322;font-weight:800;border-radius:10px;}
body[data-imperion-design="corporate"] .revenue-head {
  background:
    linear-gradient(100deg,rgba(6,22,29,.97),rgba(10,37,44,.77)),
    var(--imp-scene) center/cover;
  border-bottom:1px solid #dfbd7e6f;
}
body[data-imperion-design="corporate"] .revenue-head h1 {color:#fff0d8;font-family:Georgia,"Spectral",serif;}
body[data-imperion-design="corporate"] .revenue-head .btn,
body[data-imperion-design="corporate-sub"] .hero .btn {border-radius:10px;}
body[data-imperion-design="druzina-join"] .hero,
body[data-imperion-design="druzina-start"] .hero,
body[data-imperion-design="praha-hema"] .hero {
  background-image:
    linear-gradient(115deg,rgba(7,21,29,.96),rgba(11,29,38,.80) 70%,rgba(10,29,35,.54)),
    var(--imp-scene);
  background-position:center;
  background-size:cover;
}
body[data-imperion-design="druzina-start"] .hero-grid {align-items:center;}
body[data-imperion-design="druzina-start"] .hero .media {
  border:1px solid rgba(245,209,142,.52);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--imp-shadow);
}
body[data-imperion-design="druzina-join"] .hero .intro,
body[data-imperion-design="druzina-start"] .hero .lead {color:#f4ede3;}
body[data-imperion-design="praha-hema"] .hero .video {
  border-radius:16px;border:1px solid #c6a46c8e;overflow:hidden;
}
body[data-imperion-design="druzina-safety"] main,
body[data-imperion-design="druzina-rules"] main,
body[data-imperion-design="druzina-pricing"] main {
  color:#f6ede0;
}

/* Maintain mobile tap targets and original page flow, not a fake app shell. */
@media(max-width:820px){
 body[data-imperion-design] .hero {min-height:360px;padding:50px 0;}
 body[data-imperion-design] .hero h1 {font-size:clamp(35px,7.7vw,58px);}
 body[data-imperion-design] .hero :is(.tagline,.lead,.intro,.lede) {font-size:17px;}
 body[data-imperion-design] .hero .hero-visuals {opacity:.2;}
 body[data-imperion-design] .nav .wrap {padding-block:12px;}
 body[data-imperion-design] .hero :is(.hero-ctas,.actions,.ctas) {flex-wrap:wrap;}
}
@media(max-width:420px){
 body[data-imperion-design] {font-size:16px;}
 body[data-imperion-design] .hero h1 {font-size:clamp(32px,9vw,43px);}
 body[data-imperion-design] .hero :is(.btn,.primary,.secondary) {min-height:46px;}
 body[data-imperion-design="register"] .pitch {padding:18px;}
}
@media(prefers-reduced-motion:reduce){
 body[data-imperion-design] :is(.btn,.button,.tab-btn,button) {transition:none;}
}