/* BIGG Institute Global Styles */
body {
    margin: 0;
    background-color: #2C4655;
    font-family: system-ui, -apple-system, sans-serif;
    overflow-x: hidden;
}

.shimmer-text-hover {
    position: relative;
    overflow: hidden;
}

.premium-underline {
    position: relative;
}

.premium-underline::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: currentColor;
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}

.group:hover .premium-underline::after,
.premium-underline:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.magnetic-btn {
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), background-color 0.3s;
}

.magnetic-btn:active {
    transform: scale(0.95);
}

.animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

.accent-bar-animated {
    background: linear-gradient(90deg, #2B90B1, #4BA5C4, #2B90B1);
    background-size: 200% 100%;
    animation: shimmer 2s linear infinite;
}

.dropdown-menu {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.dropdown-menu.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.sheet-overlay {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.sheet-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.sheet-content {
    right: -100%;
    transition: right 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.05);
}

.sheet-content.show {
    right: 0;
}

.stagger-item {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.2);
}

.sheet-content.show .stagger-item {
    opacity: 1;
    transform: translateX(0);
}

.hero-overlay {
    background: radial-gradient(circle at center, transparent 0%, rgba(44, 70, 85, 0.85) 100%);
}

.vignette-overlay {
    box-shadow: inset 0 0 150px rgba(26, 26, 27, 0.8);
}

.particle {
    position: absolute;
    background: rgba(231, 219, 197, 0.4);
    border-radius: 50%;
    animation: drift var(--duration) linear infinite;
    animation-delay: var(--delay);
}

@keyframes drift {
    0% {
        transform: translate(0, 0);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translate(var(--drift-x), var(--drift-y));
        opacity: 0;
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.geo-rotate {
    animation: spin 20s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

.accent-gradient {
    background: linear-gradient(to right, #4BA5C4, #2B90B1, #4BA5C4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.swiper-wrapper {
    transition-timing-function: linear !important;
}

.blog-swiper .swiper-slide {
    width: 320px;
    height: auto;
}

@media (min-width: 768px) {
    .blog-swiper .swiper-slide {
        width: 360px;
    }
}

@media (min-width: 1024px) {
    .blog-swiper .swiper-slide {
        width: 380px;
    }
}

.img-zoom {
    transition: transform 0.5s ease;
}

.group:hover .img-zoom {
    transform: scale(1.05);
}

.animate-fade-in {
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.custom-scrollbar::-webkit-scrollbar { width: 6px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 10px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.2); }

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #2B90B1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1D6A84;
}

.skeleton {
    background: linear-gradient(90deg, #e2e8f0 25%, #cbd5e1 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.grid-card-enter {
    animation: popIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(24px);
}

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

@keyframes infiniteScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.card-hover {
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.vinyl-spin {
    animation: spin 2s linear infinite;
}

.animate-pulse-accent {
    animation: pulse-accent 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    border: 2px solid rgba(43, 144, 177, 0.6);
}

@keyframes pulse-accent {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 0;
    }
}

.scroll-fade-up,
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-fade-up.is-visible,
.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-scale-x {
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.8s ease 0.3s;
}

.scroll-scale-x.is-visible {
    transform: scaleX(1);
}

.scroll-fade-down {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-fade-down.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.scale-in.is-visible {
    opacity: 1;
    transform: scale(1);
}

@keyframes spin-slow {
    100% {
        transform: rotate(360deg);
    }
}

.geo-rotate-slow {
    animation: spin-slow 40s linear infinite;
}

@keyframes border-glow {

    0%,
    100% {
        border-color: rgba(43, 144, 177, 0.2);
        box-shadow: 0 0 15px rgba(43, 144, 177, 0.1);
    }

    50% {
        border-color: rgba(43, 144, 177, 0.6);
        box-shadow: 0 0 25px rgba(43, 144, 177, 0.3);
    }
}

.animate-border-glow {
    animation: border-glow 3s infinite;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.auth-modal-overlay {
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(4px);
    transition: opacity 0.3s ease;
}

.auth-modal-content {
    transform: scale(0.95) translateY(10px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-active .auth-modal-overlay {
    opacity: 1;
    pointer-events: auto;
}

.modal-active .auth-modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.tab-btn.active {
    background-color: #2B90B1;
    color: #ffffff;
}

.animate-spin-custom {
    animation: spin 1s linear infinite;
}

@keyframes float-nl {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

.animate-float-nl {
    animation: float-nl 8s ease-in-out infinite;
}

@keyframes float-subtle {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

.animate-float-subtle {
    animation: float-subtle 4s ease-in-out infinite;
}

@keyframes float-send {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(10px) rotate(-3deg);
    }
}

.animate-float-send {
    animation: float-send 6s ease-in-out infinite;
}

@keyframes expand-circle {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.expand-circle {
    animation: expand-circle 1.5s cubic-bezier(0.25, 1, 0.5, 1) infinite;
    opacity: 0;
}

@keyframes spring-in {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }

    60% {
        transform: scale(1.1) rotate(10deg);
        opacity: 1;
    }

    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.animate-spring-in {
    animation: spring-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.fade-transition {
    transition: opacity 0.3s ease-in-out;
}

.fade-out {
    opacity: 0;
    pointer-events: none;
}

.fade-in {
    opacity: 1;
    pointer-events: auto;
}

.footer-parallax-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    opacity: 0.02;
}

.footer-circle {
    border: 1px solid #ffffff;
    border-radius: 50%;
    position: absolute;
}

.footer-circle-1 {
    width: 160px;
    height: 160px;
    top: 40px;
    left: 40px;
}

.footer-circle-2 {
    width: 240px;
    height: 240px;
    top: 50%;
    right: 80px;
    transform: translateY(-50%);
}

.footer-circle-3 {
    width: 128px;
    height: 128px;
    bottom: 40px;
    left: 33.333%;
}

.social-icon-hover {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

.social-icon-hover:hover {
    background-color: rgba(43, 144, 177, 0.2);
    color: #2B90B1;
    transform: scale(1.1) rotate(5deg);
}

.footer-link-btn {
    background: none;
    border: none;
    padding: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 0.3s, transform 0.3s;
    display: inline-block;
    position: relative;
}

.footer-link-btn:hover {
    color: #2B90B1;
    transform: translateX(8px);
}

.contact-item:hover .icon {
    color: #2B90B1;
}

.contact-item:hover .contact-text {
    color: rgba(255, 255, 255, 0.8);
}

.contact-link:hover {
    color: #2B90B1;
}

.back-to-top-btn {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    border-radius: 0.375rem;
    transition: color 0.3s, background-color 0.3s;
}

.back-to-top-btn:hover {
    color: #2B90B1;
    background-color: rgba(255, 255, 255, 0.05);
}

html,
body {
    overflow-x: hidden;
    width: 100%;
    margin: 0;
    padding: 0;
}

footer {
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
}

.sticky-share {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}


/* Premium Blog Detail Typography System */
.custom-prose {
    max-width: 70ch;
    margin: 0 auto;
    color: #3B5C70;
    font-size: 1.125rem;
    line-height: 1.85;
}

.custom-prose h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.25rem;
    font-weight: 700;
    color: #1C2E38;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    line-height: 1.3;
}

.custom-prose h3 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.75rem;
    font-weight: 600;
    color: #2C4655;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.custom-prose p {
    margin-bottom: 1.75rem;
}

.custom-prose blockquote {
    border-left: 4px solid #2B90B1;
    background-color: #F4EFE6;
    padding: 1.5rem 2rem;
    font-style: italic;
    border-radius: 0 0.75rem 0.75rem 0;
    margin: 2.5rem 0;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.35rem;
    color: #1C2E38;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);
}

.custom-prose img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    margin: 2.5rem 0;
    object-fit: cover;
}

.custom-prose a {
    color: #2B90B1;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color 0.3s;
    font-weight: 500;
}

.custom-prose a:hover {
    color: #1D6A84;
}

.custom-prose ul {
    list-style-type: disc;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.custom-prose li {
    margin-bottom: 0.75rem;
}

/* Sticky Share Layout */
.sticky-sidebar {
    position: sticky;
    top: 120px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Lightbox Specifics */
#lightbox {
    background: rgba(0,0,0,0.95);
}

.slide-enter-next {
    animation: slideInNext 0.4s ease-out;
}
.slide-enter-prev {
    animation: slideInPrev 0.4s ease-out;
}

@keyframes slideInNext {
    from { transform: translateX(50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes slideInPrev {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- Premium Header & Nav --- */
.glass-header {
    background: rgba(44, 70, 85, 0.7) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.premium-underline {
    position: relative;
}
.premium-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #2B90B1;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}
.premium-underline:hover::after,
.premium-underline.active::after {
    width: 80%;
}

/* --- Mobile Menu Overlay --- */
#mobile-menu {
    transform: translateX(100%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: hidden;
}
#mobile-menu.open {
    transform: translateX(0);
    visibility: visible;
}

.mobile-nav-link {
    font-family: 'Playfair Display', serif;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}
#mobile-menu.open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

/* --- Footer Glow --- */
.footer-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(43, 144, 177, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.footer-reveal {
    opacity: 0;
    transform: translateY(20px);
    animation: footerReveal 0.8s ease forwards;
}

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