/* Premium subtle glow */
.premium-glow:before{
  content:'';
  position:absolute;
  inset:-30%;
  background:radial-gradient(circle at 50% 40%, rgba(255,255,255,0.10), rgba(0,0,0,0) 55%);
  pointer-events:none;
}

html {
    scroll-behavior: smooth;
}

:root {
    --accent-color: #1B1B1B; /* Hellgrau/Weiß für Akzente und Hervorhebungen */
    --dark-bg: #ffffff; /* Sehr dunkles Anthrazit/Schwarz (Deep Charcoal) */
    --light-text: #1B1B1B; /* Weiches Hellgrau für normalen Text */
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  font-style: normal;
    background-color: var(--dark-bg);
    color: var(--light-text);
}

/* ANIMATION */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* HERO SECTION */
#hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    transition: filter 1s ease-in-out;
}


#hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

#hero-section h1,
#hero-section p {
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.6);
}

/* MOBILE */
@media (max-width: 640px) {
    #hero-video {
        object-position: center;
        height: 100%;
    }
    #hero-section h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    #hero-section p {
        font-size: 1rem;
    }
}

/* NAVIGATION */
.nav-link:hover {
    color: var(--accent-color);
}

/* FORM ELEMENTE (zusammengeführt & optimiert) */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #4A5568; /* Dunkelgrau */ 
    border-radius: 8px;
    background-color: #ffffff; /* Noch dunkleres Grau für das Eingabefeld */
    color: #000000;
    transition: border-color 0.2s, box-shadow 0.2s;
}

textarea#message.w-full {
    padding: 1em;
}

input:focus,
textarea:focus,
.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    /* Der Box-Shadow verwendet jetzt die Akzentfarbe (Grau) */
    box-shadow: 0 0 0 2px rgba(204, 204, 204, 0.4); 
}

/* CTA Buttons – zusammengeführt */
.cta-button {
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
    background-color: var(--accent-color); /* Hellgrau */
    color: var(--dark-bg); /* Textfarbe: Dunkler Hintergrund */
    font-weight: 600;
    border: 3px #000000;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #B0B0B0; /* Leicht dunkleres Grau beim Hover */
    transform: translateY(-1px);
    /* Der Box-Shadow verwendet jetzt die Akzentfarbe (Grau) */
    box-shadow: 0 4px 15px rgba(204, 204, 204, 0.4); 
}

 


/* Secondary Buttons */
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    border: 2px solid #d1d5db; /* gray-300 */
    color: #111827; /* gray-900 */
    background: transparent;
    font-weight: 600;
    transition: background-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.secondary-button:hover {
    background-color: #f9fafb; /* gray-50 */
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}
/* MULTISTEP-FORMULAR */
.form-step {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-step.active {
    display: block;
    opacity: 1;
}

.hidden-by-logic {
    display: none !important;
}

.progress-bar-fill {
    transition: width 0.5s ease-in-out;
}

/* RADIO / CHECKBOX CARDS */
.radio-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border: 1px solid #252525;
    border-radius: 0.5rem;
    background-color: #ffffff;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    min-height: 80px;
}

.radio-card:hover {
    background-color: #666666;
  color: white;
}

input[type="radio"]:checked + .radio-card {
    border-color: var(--accent-color); /* Hellgrau als Rand */
    /* Transparentes Grau als Hintergrund */
    background-color: white; 
    box-shadow: 0 0 0 2px var(--accent-color);
}