:root {
    --bg-color: #0A0A0A;
    --surface-color: #141414;
    --text-color: #EAEAEA;
    --accent-color: #ffffff; /* Elegáns Cián */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
}

/* === ÚJ: BELÉPTETŐ KÉPERNYŐ STÍLUSAI === */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1s ease-out, visibility 1s ease-out;
}
.splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

/* === ÚJ: ELEGÁNS BELÉPTETŐ GOMB === */
.elegant-enter-button {
    background: transparent;
    font-family: var(--font-heading);
    font-size: 3rem; /* Kicsit nagyobb lett, hogy jobban kitöltse */
    font-weight: 900;
    text-transform: uppercase;
    color: var(--text-color);
    border: 3px solid var(--text-color); /* Fehér keret */
    padding: 1.2rem 3rem; /* Kicsit nagyobb padding */
    text-decoration: none;
    position: relative;
    display: inline-block;
    cursor: pointer;
    overflow: hidden; /* Hover effekt miatt */
    transition: color 0.4s ease, border-color 0.4s ease;
}

.elegant-enter-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--text-color); /* Fehér háttér */
    transform: scaleX(0); /* Kezdetben nulla szélesség */
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.3, 1); /* Elegáns animáció */
    z-index: -1;
}

.elegant-enter-button:hover {
    color: var(--bg-color); /* Fekete szöveg hoverre */
    border-color: var(--text-color); /* Fehér keret marad */
}

.elegant-enter-button:hover::before {
    transform: scaleX(1); /* Kitölti a hátteret */
}


/* === FŐ TARTALOM KEZDETI ÁLLAPOTA === */
.main-content {
    opacity: 0;
    transition: opacity 1s ease-in 0.5s;
}
.main-content.visible {
    opacity: 1;
}

/* === A WEBOLDAL TÖBBI RÉSZÉNEK STÍLUSA (VÁLTOZATLAN) === */
.main-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 5%; position: fixed; width: 100%; background: rgba(10, 10, 10, 0.7); backdrop-filter: blur(10px); z-index: 100; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.logo { font-family: var(--font-heading); font-weight: 900; }
.main-header nav a { color: var(--text-color); text-decoration: none; margin-left: 30px; font-weight: bold; position: relative; padding: 5px 0; transition: color 0.3s; }
.main-header nav a:hover { color: var(--accent-color); }
.main-header nav a::after { content: ''; position: absolute; width: 100%; height: 2px; background: var(--accent-color); left: 0; bottom: 0; transform: scaleX(0); transform-origin: right; transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1); }
.main-header nav a:hover::after { transform: scaleX(1); transform-origin: left; }
section { padding: 120px 5%; text-align: center; position: relative; }
.section-title {
    font-family: var(--font-heading);
    /* Régi: font-size: 3.5rem; */
    font-size: clamp(2rem, 8vw, 3.5rem); /* ÚJ: Reszponzív betűméret */
    margin-bottom: 60px;
    text-transform: uppercase;
}
.hero { height: 100vh; display: flex; justify-content: center; align-items: center; padding: 0 5%; }
#particle-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero-title { font-family: var(--font-heading); font-size: clamp(3rem, 10vw, 7rem); }
.hero-subtitle { font-size: clamp(1rem, 4vw, 1.5rem); color: #aaa; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card { background: var(--surface-color); padding: 40px; border-radius: 8px; border: 1px solid transparent; transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
.service-card:hover { transform: translateY(-10px); border-color: var(--accent-color); box-shadow: 0 0 40px rgba(0, 191, 255, 0.15); }
.service-card h3 { font-family: var(--font-heading); color: var(--accent-color); margin-bottom: 15px; font-size: 1.5rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; align-items: center; margin-top: 50px; }
.pricing-card { background: var(--surface-color); padding: 40px 30px; border-radius: 8px; border: 1px solid #333; text-align: left; transition: transform 0.3s, box-shadow 0.3s; position: relative; overflow: hidden; }
.pricing-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
.pricing-card h3 { font-family: var(--font-heading); font-size: 1.8rem; text-align: center; }
.pricing-card .price { font-family: var(--font-heading); font-size: 2.5rem; color: var(--accent-color); text-align: center; margin: 10px 0; }
.pricing-card ul { list-style: none; margin-bottom: 40px; padding-left: 0; }
.pricing-card ul li { margin-bottom: 15px; padding-left: 25px; position: relative; }
.pricing-card ul li::before { content: '✓'; color: var(--accent-color); position: absolute; left: 0; }
.pricing-card.popular { border: 2px solid var(--accent-color); transform: scale(1.05); }
.popular-badge { position: absolute; top: 15px; right: -30px; background: var(--accent-color); color: var(--bg-color); padding: 5px 30px; font-family: var(--font-heading); font-size: 0.9rem; transform: rotate(45deg); font-weight: bold; }
.contact form { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 30px; }
.input-wrapper { position: relative; }
.contact input, .contact textarea { background: transparent; border: none; border-bottom: 2px solid #333; color: var(--text-color); padding: 15px 5px; font-family: var(--font-body); width: 100%; font-size: 1rem; position: relative; z-index: 1; }
.contact label { position: absolute; left: 5px; top: 15px; transition: all 0.3s; color: #888; z-index: 0; }
.contact input:focus + label, .contact input:valid + label, .contact textarea:focus + label, .contact textarea:valid + label { top: -10px; font-size: 0.8rem; color: var(--accent-color); }
.contact input:focus, .contact textarea:focus { outline: none; border-color: var(--accent-color); }
.cta-button { display: inline-block; margin-top: 20px; padding: 15px 35px; border: 2px solid var(--accent-color); color: var(--accent-color); text-decoration: none; font-weight: bold; font-family: var(--font-heading); transition: all 0.4s ease; position: relative; overflow: hidden; z-index: 1; }
.cta-button::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: var(--accent-color); transform: scaleX(0); transform-origin: left; transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1); z-index: -1; }
.cta-button:hover { color: var(--bg-color); box-shadow: 0 0 25px var(--accent-color); }
.cta-button:hover::before { transform: scaleX(1); }
.hidden { opacity: 0; filter: blur(5px); transform: translateY(50px); transition: all 0.7s; }
.show { opacity: 1; filter: blur(0); transform: translateY(0); }

.thank-you-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center; /* Ez a sor felel a szöveg középre igazításáért */
    height: 100vh;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

.thank-you-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.thank-you-container p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.thank-you-container .cta-button {
    margin-top: 1rem;
}