/* =====================================================
   🔥 DIGIMARK.EU – ČERNO-ČERVENÝ NEONOVÝ DESIGN 2025
   Kompletní sjednocený CSS soubor bez zbytků
   ===================================================== */

/* ====== BARVY A PROMĚNNÉ ====== */
:root {
  --black: #000000;
  --dark-red: #1a0000;
  --deep-red: #2a0000;
  --neon-red: #ff2b2b;
  --bright-red: #ff4d4d;
  --white: #ffffff;
  --gray: #999999;
}

/* ====== RESET ====== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: none;
  outline: none;
}

html, body {
  height: 100%;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--white);
  background: linear-gradient(to bottom, var(--black) 0%, var(--dark-red) 60%, var(--deep-red) 100%) !important;
  text-shadow: 0 0 6px rgba(255, 0, 0, 0.25);
  overflow-x: hidden;
}

/* =====================================================
   🔻 HLAVIČKA A NAVIGACE
   ===================================================== */

header {
  width: 100%;
  background: radial-gradient(circle at top, #300000 0%, #000000 100%);
  box-shadow: 0 0 35px rgba(255, 0, 0, 0.35);
  padding: 35px 0 45px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 0, 0, 0.25);
  position: relative;
  z-index: 100;
}

header h1 {
  font-size: 58px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 0 25px #ff0000, 0 0 50px rgba(255, 0, 0, 0.7);
  animation: glowPulse 3s infinite;
}

header h1 span {
  color: var(--neon-red);
}

nav {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 17px;
  padding: 12px 28px;
  border-radius: 50px;
  background: linear-gradient(180deg, #3a0000 0%, #100000 100%);
  border: 1px solid rgba(255, 0, 0, 0.4);
  box-shadow: inset 0 0 10px rgba(255,0,0,0.4), 0 0 10px rgba(0,0,0,0.8);
  transition: all 0.3s ease;
}

nav a:hover {
  background: linear-gradient(180deg, #5c0000 0%, #1a0000 100%);
  box-shadow: 0 0 18px rgba(255,0,0,0.9), 0 0 25px rgba(255,0,0,0.6);
  transform: translateY(-2px);
}

/* =====================================================
   🔻 HLAVNÍ OBSAH A BLOKY
   ===================================================== */

main, section {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

h2 {
  text-align: center;
  font-size: 42px;
  color: var(--neon-red);
  margin-bottom: 50px;
  text-shadow: 0 0 20px rgba(255,0,0,0.7);
}

.block, .info-box {
  background: radial-gradient(circle at top left, #1a0000 0%, #000000 100%);
  border-radius: 20px;
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.25);
  color: #fff;
  padding: 30px;
  margin: 40px 0;
  transition: all 0.3s ease;
}

.block:hover, .info-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 35px rgba(255,0,0,0.45);
}

/* =====================================================
   🔻 TLAČÍTKA
   ===================================================== */

.btn, button, a.btn, a.button {
  display: inline-block;
  background: linear-gradient(180deg, #3a0000 0%, #100000 100%);
  color: #fff !important;
  font-weight: bold;
  border-radius: 50px;
  padding: 12px 28px;
  border: 1px solid rgba(255, 0, 0, 0.4);
  box-shadow: inset 0 0 10px rgba(255,0,0,0.4), 0 0 10px rgba(0,0,0,0.8);
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn:hover, button:hover, a.btn:hover {
  background: linear-gradient(180deg, #5c0000 0%, #1a0000 100%);
  box-shadow: 0 0 18px rgba(255,0,0,0.9), 0 0 25px rgba(255,0,0,0.6);
  transform: translateY(-2px);
}

/* =====================================================
   🔻 PRODUKTY A KARTY
   ===================================================== */

.property-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
  padding: 20px;
}

.property-card {
  background: linear-gradient(180deg, #1a0000 0%, #000000 100%);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 0 20px rgba(255,0,0,0.2);
  color: #fff;
  transition: transform 0.3s ease;
}

.property-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 30px rgba(255,0,0,0.35);
}

.property-card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: 0 0 15px rgba(255,0,0,0.3);
  transition: all 0.3s ease;
}

.property-card img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(255,0,0,0.6);
}

.property-card h3 {
  color: var(--neon-red);
  font-size: 20px;
  margin-bottom: 10px;
}

.property-card .price {
  color: var(--bright-red);
  font-weight: bold;
  font-size: 18px;
}

/* =====================================================
   🔻 SEKCE „JAK TO FUNGUJE“
   ===================================================== */

.step {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-bottom: 45px;
  background: radial-gradient(circle at top left, #2a0000 0%, #000000 100%);
  border-radius: 20px;
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.25);
  color: #fff;
  padding: 25px;
}

.step img {
  width: 40%;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(255,0,0,0.4);
}

.step p {
  flex: 1;
  font-size: 17px;
  line-height: 1.6;
}

/* =====================================================
   🔻 PATIČKA
   ===================================================== */

footer {
  background: linear-gradient(to bottom, #1a0000 0%, #000000 100%);
  color: #fff;
  text-align: center;
  padding: 35px 15px;
  font-size: 15px;
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.3);
  border-top: 1px solid rgba(255,0,0,0.25);
}

footer a {
  color: var(--neon-red);
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

footer a:hover {
  color: #fff;
  text-shadow: 0 0 8px var(--neon-red);
}

/* =====================================================
   🔻 ANIMACE A EFEKTY
   ===================================================== */

@keyframes glowPulse {
  0%, 100% {
    text-shadow: 0 0 10px #ff0000, 0 0 25px rgba(255,0,0,0.8);
  }
  50% {
    text-shadow: 0 0 20px #ff2b2b, 0 0 40px rgba(255,0,0,0.9);
  }
}

/* =====================================================
   🔻 MOBILNÍ VERZE
   ===================================================== */
@media (max-width: 768px) {
  header h1 {
    font-size: 38px;
  }

  nav a {
    font-size: 15px;
    padding: 10px 18px;
  }

  .step {
    flex-direction: column;
  }

  .step img {
    width: 100%;
  }
}