/* ───────── Idea4event · base styles ───────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&display=swap');

:root{
  /* Brand */
  --i4e-red:        #e30613;
  --i4e-red-dark:   #b80410;
  --i4e-red-soft:   #fff1f2;

  /* Neutral */
  --i4e-ink:        #0f172a;
  --i4e-ink-soft:   #334155;
  --i4e-gray:       #64748b;
  --i4e-gray-soft:  #94a3b8;
  --i4e-line:       #e2e8f0;
  --i4e-line-soft:  #f1f5f9;
  --i4e-bg:         #f8fafc;
  --i4e-white:      #ffffff;

  /* System */
  --i4e-radius:     16px;
  --i4e-radius-sm:  12px;
  --i4e-shadow:     0 4px 15px rgba(15,23,42,.05);
  --i4e-shadow-lg:  0 20px 50px -20px rgba(15,23,42,.18);
  --i4e-max:        1200px;
  --i4e-font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --i4e-font-serif: 'Fraunces', Georgia, serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{min-height:100%}
body{
  background:var(--i4e-bg);
  color:var(--i4e-ink-soft);
  font-family:var(--i4e-font-sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
body > main,
body > .i4e-wrap{flex:1 0 auto}
body > footer{flex-shrink:0;margin-top:auto}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--i4e-font-serif);color:var(--i4e-ink);letter-spacing:-.015em;line-height:1.15;margin:0}

.i4e-wrap{max-width:var(--i4e-max);margin:0 auto;padding:0 24px}

/* ───────── Header / Nav ───────── */
.i4e-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--i4e-line);
}
.i4e-nav{display:flex;align-items:center;justify-content:space-between;height:104px}
.i4e-brand{display:flex;align-items:center;gap:12px;font-weight:700}
.i4e-brand img{
  height:76px;width:auto;display:block;
  transition:transform .25s ease, opacity .25s ease;
  opacity:.88;
}
.i4e-brand:hover img{
  opacity:1;
  transform:translateY(-2px);
}
@media(max-width:480px){ .i4e-nav{height:84px} .i4e-brand img{height:60px} }
/* Fallback textová značka (když není logo k dispozici) */
.i4e-brand .dot{width:14px;height:14px;border-radius:50%;background:var(--i4e-red);box-shadow:0 0 0 4px var(--i4e-red-soft)}
.i4e-brand b{font-family:var(--i4e-font-serif);font-weight:700;font-size:20px;color:var(--i4e-ink)}
.i4e-menu{display:flex;gap:32px}
.i4e-menu a{font-size:14.5px;color:var(--i4e-ink-soft);font-weight:500;transition:color .2s}
.i4e-menu a:hover,.i4e-menu a.active{color:var(--i4e-red)}
.i4e-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--i4e-ink);color:#fff;padding:11px 20px;
  border-radius:999px;font-size:14px;font-weight:500;
  transition:background .2s,transform .15s;
}
.i4e-cta:hover{background:var(--i4e-red);transform:translateY(-1px)}
@media(max-width:760px){ .i4e-menu{display:none} }

/* ───────── Page header (vnitřek stránky) ───────── */
.i4e-page-head{text-align:center;padding:80px 0 50px}
.i4e-page-head h1{font-size:clamp(36px,5vw,56px);font-weight:600;display:inline-block;position:relative}
.i4e-page-head h1::after{
  content:'';position:absolute;left:50%;bottom:-14px;transform:translateX(-50%);
  width:64px;height:4px;background:var(--i4e-red);border-radius:2px;
}
.i4e-page-head p{font-size:1.1rem;color:var(--i4e-gray);margin:30px auto 0;max-width:600px}

/* ───────── Card ───────── */
.i4e-card{
  background:var(--i4e-white);
  padding:40px;
  border-radius:var(--i4e-radius);
  box-shadow:var(--i4e-shadow);
  border:1px solid var(--i4e-line);
  margin-bottom:32px;
}
.i4e-card h3{
  font-family:var(--i4e-font-sans);
  font-size:1.25rem;font-weight:600;color:var(--i4e-ink);
  margin:0 0 24px;padding-bottom:14px;
  border-bottom:2px solid var(--i4e-line-soft);
  display:flex;align-items:center;gap:10px;
}
.i4e-card h3 i{color:var(--i4e-red);font-size:1.1em}
@media(max-width:600px){ .i4e-card{padding:28px 22px} }

/* ───────── Buttons (modern hover micro-interakce) ───────── */
.i4e-btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border-radius:999px;font-weight:600;font-size:15px;
  letter-spacing:.01em;
  transition:transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s, color .25s, background .25s, border-color .25s;
  border:none;cursor:pointer;text-decoration:none;
  isolation:isolate;
}

/* Primary — solid red, hover: lift + soft glow + shimmer pass */
.i4e-btn-primary{background:var(--i4e-red);color:#fff;box-shadow:0 4px 12px rgba(227,6,19,.18)}
.i4e-btn-primary::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,.18) 50%, transparent 100%);
  transform:translateX(-110%);transition:transform .55s ease;
}
.i4e-btn-primary:hover{
  background:var(--i4e-red-dark);
  transform:translateY(-3px);
  box-shadow:0 14px 28px -8px rgba(227,6,19,.45);
}
.i4e-btn-primary:hover::before{transform:translateX(110%)}
.i4e-btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 14px -4px rgba(227,6,19,.4)}

/* Ghost — outline, hover: fill from left */
.i4e-btn-ghost{
  background:transparent;color:var(--i4e-ink);
  border:1.5px solid var(--i4e-line);
}
.i4e-btn-ghost::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:var(--i4e-ink);
  transform-origin:left center;transform:scaleX(0);
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.i4e-btn-ghost:hover{
  color:#fff;border-color:var(--i4e-ink);
  transform:translateY(-2px);
}
.i4e-btn-ghost:hover::before{transform:scaleX(1)}
.i4e-btn-ghost:active{transform:translateY(0)}

/* ───────── Footer ───────── */
.i4e-footer{
  background:var(--i4e-ink);color:var(--i4e-gray-soft);
  padding:40px 0;margin-top:80px;font-size:13.5px;
}
.i4e-footer .i4e-wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;align-items:center}
.i4e-footer a:hover{color:var(--i4e-red)}
.i4e-footer .brand-mini{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--i4e-font-serif);font-weight:600}
.i4e-footer .brand-mini img{height:26px;width:auto;filter:brightness(0) invert(1)}
.i4e-footer .brand-mini.brand-mini-lg img{height:56px}
.i4e-footer .brand-mini .dot{width:10px;height:10px;border-radius:50%;background:var(--i4e-red)}

/* Variant: vycentrovaný footer (úvodka) */
.i4e-footer.footer-center .i4e-wrap{
  flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:18px;
}

.i4e-footer .footer-contact{display:flex;gap:18px;flex-wrap:wrap;align-items:center;justify-content:center}
.i4e-footer .footer-contact a{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:500}
.i4e-footer .footer-contact a:hover{color:var(--i4e-red)}
.i4e-footer .footer-contact i{color:var(--i4e-red);font-size:1rem}