:root{
    --clr-primary: #041E2F;
    --clr-primary--light: hsl(204, 84%, 40%);
    --clr-secondary: #FFD700;
}
body {
    font-family: Georgia, 'Times New Roman', Times, serif !important;
    /* background: rgb(0,0,0); */
    /* background: linear-gradient(124deg, rgba(0,0,0,1) 56%, rgba(129,129,129,1) 100%, rgba(206,206,206,1) 100%); */
}

/* Sticky navbar transition */
.navbar {
    transition: background 0.3s ease-in-out;
    .logo{
        width: min(30vw, 40%);
    }
}

/* Transparent to solid on scroll */
.navbar.scrolled {
    background-color: var(--clr-primary);
}

/* Custom animated vertical hamburger icon */
.custom-burger span {
    width: 5px;
    height: 20px;
    background-color: var(--clr-secondary);
    animation: upDown 1s infinite ease-in-out alternate;
}

.custom-burger span:nth-child(1) {
    animation-delay: 0s;
}

.custom-burger span:nth-child(2) {
    animation-delay: 0.2s;
}

.custom-burger span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes upDown {
    0% {
        transform: translateY(-3px);
    }

    100% {
        transform: translateY(3px);
    }
}

/* Full-screen mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--clr-primary);
    z-index: 50;
    /* flex-direction: column; */
    align-items: center;
    justify-content: center;
}

.mobile-menu.active {
    display: flex;
}

.min-vh-100 {
    min-height: 70vh;
}
/* 
.hero {
    min-height: 100vh;
} */


/* Hero Section */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('assets/images/hero-bg-SPB.jpg') no-repeat center center/cover fixed;
}

/* Overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), var(--clr-primary--light));
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 700px;
    padding: 20px;
}

/* Heading */
.hero h1 {
    font-size: 1.5rem;
    /* font-weight: bold; */
    line-height: 1.3;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
}

/* Highlighted Text */
.hero h1 span {
    color: #FFD700;
}

/* Description */
.hero p {
    margin-top: 10px;
    font-size: 1rem;
    opacity: 0.9;
}

@media (min-width: 768px) {
    .hero p {
        font-size: 1.2rem;
    }
}

/* CTA Button */
.hero .cta-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 24px;
    background-color: #FFD700;
    color: #00339a;
    font-weight: bold;
    border-radius: 8px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    transition: background 0.3s ease;
}

.hero .cta-btn:hover {
    background-color: #e6c200;
}

/* GSAP Animation */
.hidden {
    opacity: 0;
    transform: translateY(20px);
}

.spline {
    min-height: 100vh;
    position: absolute;
    inset: 0;
    cursor: pointer;

}

.about {

    background: url(assets/images/SPB-Photo-2.png) no-repeat center center/cover fixed;
}

.about,
.museum-sections,
.museum-sections {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}


footer{
    background-color: var(--clr-primary);
}