:root {
    --ferrari-red: #d40000ee;
    --ferrari-red-dark: #8a0000;
    --text-dark: #1f1f1f;
    --text-light: #f8f8f8;
    --soft-gray: #f7f7f7;
    --card-radius: 16px;
    --trans-fast: 0.15s ease;
    --trans-mid: 0.25s ease;
    --trans-slow: 0.4s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    
}


/* Sticky navbar */
.navbar {
 position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: top 0.3s ease-in-out;
    background: rgba(255, 255, 255, 0.85);  /* slightly transparent */
    backdrop-filter: blur(16px);
    transition: top 0.3s ease-in-out;
}



.navbar-brand {
    font-weight: 900;
    color: var(--ferrari-red) !important;
    letter-spacing: 1px;
    font-size: 1.5rem;
}

.nav-link {
    color: #555 !important;
    font-weight: 500;
    padding: 8px 16px !important;
    transition: all 0.3s ease;
    position: relative;
    margin-right: 0.5rem;
}

.nav-link::after {
    content: "";
    display: block;
    width: 0;
    height: 2px;
    background: var(--ferrari-red);
    transition: width 0.3s;
    position: absolute;
    bottom: 0;
    left: 0;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--ferrari-red) !important;
}

.nav-link.active {
    color: var(--ferrari-red) !important;
    font-weight: 600;
}

/* Hero Section */
.video-header {
   position: relative;
    height: 100vh;  /* full viewport height */
    margin-top: 0;  /* no gap */
}

.header-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    filter: brightness(50%);
    animation: videoPulse 20s ease-in-out infinite alternate;
}

@keyframes videoPulse {
    0% { filter: brightness(50%) saturate(1); }
    50% { filter: brightness(55%) saturate(1.1); }
    100% { filter: brightness(50%) saturate(1); }
}

.header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.55), rgba(0,0,0,0.15));
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1.2s forwards 0.6s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-content img {
    border: 4px solid rgba(0,0,0,0.5);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    width: 150px;
    height: 150px;
}

.header-content h1 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.header-content p {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.header-content .btn {
    background: linear-gradient(90deg, var(--ferrari-red), var(--ferrari-red-dark));
    border: none;
    font-weight: 600;
    padding: 12px 26px;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    border-radius: 10px;
}

.header-content .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(212,0,0,0.4);
    background: linear-gradient(90deg, var(--ferrari-red-dark), var(--ferrari-red));
}

/* Sections */
section {
    padding: 6rem 2rem;
}

section h2 {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 1px;
    color: var(--ferrari-red-dark);
    text-transform: uppercase;
    margin-bottom: 2rem;
}

/* Cards */
.card {
    border: 3px solid rgba(128, 128, 128, 0.708);
    box-shadow: #000000bc;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: 0 8px 22px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
}

.card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 18px 40px rgba(0,0,0,0.2);
}

.card-img-top {
    border-bottom: 1px solid #e9e9e9;
    transition: transform 0.3s ease;
}

.card-img-top:hover {
    transform: scale(1.05);
}

.card-title {
    font-weight: 800;
    color: var(--ferrari-red-dark);
    letter-spacing: 0.5px;
}

.card-text {
    color: #555;
    font-size: 1rem;
    margin-bottom: 1rem;
}

/* Buttons */
.btn-outline-primary {
    border-color: var(--ferrari-red);
    color: var(--ferrari-red);
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 10px;
}

.btn-outline-primary:hover {
    background: var(--ferrari-red);
    color: white;
    transform: translateY(-2px);
}

/* Forms */
.form-control {
    border-radius: 12px;
    border: 1px solid #ccc;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--ferrari-red);
    box-shadow: 0 0 0 3px rgba(212, 0, 0, 0.25);
}

.form-label {
    font-weight: 600;
    color: #444;
}

/* Submit Button */
#kontakt button {
    background: linear-gradient(90deg, var(--ferrari-red), var(--ferrari-red-dark));
    border: none;
    padding: 12px 26px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

#kontakt button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(212,0,0,0.4);
    background: linear-gradient(90deg, var(--ferrari-red-dark), var(--ferrari-red));
}

/* Footer */
footer {
    background: linear-gradient(160deg, #1a1a1a, #000000, #2b0000);
    color: var(--text-light) !important;
    padding: 4rem 2rem;
    letter-spacing: 0.6px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
    text-align: center;
}

footer a {
    color: var(--ferrari-red);
    transition: color 0.3s, text-shadow 0.3s;
}

footer a:hover {
    color: var(--ferrari-red-dark);
    text-shadow: 0 0 8px rgba(212,0,0,0.5);
}

/* Utility for soft background gradient animation */
@keyframes bgCycle {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}