/* PROMĚNNÉ */
:root {
    --royal-blue: #0a1931;
    --deep-blue: #030816;

    /* Smooth gold (bezešvý gradient) */
    --gold-gradient: linear-gradient(
        90deg,
        #bf953f 0%,
        #fcf6ba 25%,
        #b38728 50%,
        #fcf6ba 75%,
        #bf953f 100%
    );

    --gold-solid: #d4af37;
    --white-ivory: #fdfcf0;
    --glass: rgba(255, 255, 255, 0.03);
}

/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--deep-blue);
    color: var(--white-ivory);
    overflow-x: hidden;
}

/* NAVBAR */
nav {
    background: rgba(10, 25, 49, 0.95);
    backdrop-filter: blur(15px);
    padding: 1.2rem 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 2px solid;
    border-image: var(--gold-gradient) 1;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: 0.3s;
}

.logo-link:hover {
    transform: translateY(-2px) scale(1.03);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    height: 50px; /* bylo 55px */
    width: auto;
    filter: drop-shadow(0 0 12px rgba(255,215,0,0.6));
}

/* TEXT LOGO */
.logo-text {
    font-size: 2.2rem; /* bylo menší */
    font-family: 'Cinzel', serif;
    font-weight: 900;
    text-transform: uppercase;

    background: var(--gold-gradient);
    background-size: 200% 100%;

    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;

    animation: goldShine 6s linear infinite;
}

/* MC - ROYAL PURPLE + BLUE */
.mc-text {
    background: linear-gradient(
        to bottom,
        #bde4ff 0%,   /* světlý lesk */
        #4da6ff 20%,  /* světlejší modrá */
        #0066cc 45%,  /* hlavní modrá */
        #003d7a 60%,  /* deep blue */
        #0066cc 80%,  /* zpět světlo */
        #bde4ff 100%  /* lesk */
    );

    background-size: 200% 100%;

    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;

    animation: goldShine 6s linear infinite;

    text-shadow:
        0 0 20px rgba(0, 128, 255, 0.5),
        0 0 35px rgba(0, 80, 200, 0.4);
}

/* NAV LINKS */
.nav-links {
    display: flex;
    gap: 25px;
    list-style: none;
}

.nav-links a {
    color: var(--white-ivory);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.nav-links a:hover {
    color: var(--gold-solid);
}

.shop-link {
    border: 1px solid var(--gold-solid);
    padding: 5px 15px;
}

/* HERO */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero-slideshow {
    position: absolute;
    inset: 0;
    z-index: -1;
}
.hero-content {
    position: relative;
    z-index: 2;

    padding: 50px 80px;
    border-radius: 10px;

    /* tmavý průhledný box */
    background: rgba(0, 0, 0, 0.45);

    /* blur pozadí (luxusní efekt) */
    backdrop-filter: blur(5px);


    /* stín aby to „plavalo“ nad pozadím */
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
}

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: slideFade 15s infinite;
    filter: brightness(0.5);
}

.slide:nth-child(2) { animation-delay: 5s; }
.slide:nth-child(3) { animation-delay: 10s; }

@keyframes slideFade {
    0% { opacity: 0; }
    10% { opacity: 1; }
    33% { opacity: 1; }
    45% { opacity: 0; }
}

/* HERO TITLE */
.hero-title {
    font-family: 'Cinzel', serif;
    font-weight: 900;
    text-transform: uppercase;

    font-size: clamp(4rem, 10vw, 7rem);

    background: var(--gold-gradient);
    background-size: 200% 100%;

    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;

    animation: goldShine 6s linear infinite;

    text-shadow: 0 0 25px rgba(255,215,0,0.3);
}

/* ANIMACE (SMOOTH, BEZ RESETU) */
@keyframes goldShine {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

/* DIVIDER */
.gold-divider {
    width: 150px;
    height: 2px;
    background: var(--gold-gradient);
    margin: 1.5rem auto;
}

/* BUTTON */
.btn-royal {
    display: inline-block; /* TOTO CHYBĚLO - umožní transformace */
    padding: 18px 45px;
    background: var(--gold-gradient);
    color: var(--deep-blue);
    text-decoration: none;
    font-weight: 700;
    font-family: 'Cinzel', serif;
    letter-spacing: 2px;
    transition: 0.3s ease; /* Přidáno 'ease' pro hladší průběh */
}

.btn-royal:hover {
    transform: scale(1.08); /* Trochu jsem zvětšil pro viditelnější efekt */
    filter: brightness(1.1); /* Bonus: tlačítko se při hoveru lehce rozzáří */
}

/* CONTENT */
.content-section {
    padding: 80px 10%;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: var(--glass);
    padding: 40px;
    text-align: center;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card h3 {
    font-family: 'Cinzel', serif;
    color: var(--gold-solid);
}

/* FOOTER */
footer {
    padding: 60px 20px;
    text-align: center;
    background: #02050d;
}

/* MOBILE */
@media (max-width: 768px) {
    .nav-links { display: none; }
}


.golden-btn + .golden-btn { margin-top: 1em; }

.golden-btn {
    text-decoration: none;
  display: inline-block;
  outline: none;
  font-family: inherit;
  font-size: 1em;
  box-sizing: border-box;
  border: none;
  border-radius: .3em;
  height: 2.75em;
  line-height: 2.5em;
  text-transform: uppercase;
  padding: 0 1em;
  box-shadow: 0 3px 6px rgba(0,0,0,.16), 0 3px 6px rgba(110,80,20,.4),
              inset 0 -2px 5px 1px rgba(139,66,8,1),
              inset 0 -1px 1px 3px rgba(250,227,133,1);
  background-image: linear-gradient(160deg, #a54e07, #b47e11, #fef1a2, #bc881b, #a54e07);
  border: 1px solid #a55d07;
  color: rgb(120,50,5);
  text-shadow: 0 2px 2px rgba(250, 227, 133, 1);
  cursor: pointer;
  transition: all .2s ease-in-out;
  background-size: 100% 100%;
  background-position:center;
}
.golden-btn:focus,
.golden-btn:hover {
  background-size: 150% 150%;
  box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23),
                inset 0 -2px 5px 1px #b17d10,
                inset 0 -1px 1px 3px rgba(250,227,133,1);
  border: 1px solid rgba(165,93,7,.6);
  color: rgba(120,50,5,.8);
}
.golden-btn:active {
  box-shadow: 0 3px 6px rgba(0,0,0,.16), 0 3px 6px rgba(110,80,20,.4),
              inset 0 -2px 5px 1px #b17d10,
                inset 0 -1px 1px 3px rgba(250,227,133,1);
}