/*
    @developers "Anjan Maity"
    @params "css3"
*/

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
}

html {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
}

section {
    padding-bottom: 0;
}

/* utils styles */
.glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.marquee-track {
    animation: marquee 15s linear infinite alternate;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.mesh-gradient-1 {
    background:
        radial-gradient(ellipse at 20% 30%,
            rgba(59, 130, 246, 0.12) 0%,
            transparent 50%),
        radial-gradient(ellipse at 80% 70%,
            rgba(99, 102, 241, 0.08) 0%,
            transparent 50%),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.mesh-gradient-2 {
    background:
        radial-gradient(ellipse at 70% 20%,
            rgba(59, 130, 246, 0.1) 0%,
            transparent 40%),
        radial-gradient(ellipse at 30% 80%,
            rgba(147, 197, 253, 0.12) 0%,
            transparent 40%),
        linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
}

.mesh-gradient-3 {
    background:
        radial-gradient(ellipse at 50% 0%,
            rgba(99, 102, 241, 0.1) 0%,
            transparent 50%),
        radial-gradient(ellipse at 100% 100%,
            rgba(59, 130, 246, 0.08) 0%,
            transparent 50%),
        linear-gradient(180deg, #ffffff 0%, #eef2ff 100%);
}

.mesh-gradient-dark {
    background:
        radial-gradient(ellipse at 20% 50%,
            rgba(59, 130, 246, 0.25) 0%,
            transparent 50%),
        radial-gradient(ellipse at 80% 50%,
            rgba(99, 102, 241, 0.15) 0%,
            transparent 50%),
        linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition:
        max-height 0.4s ease-out,
        padding 0.3s ease;
}

.faq-answer.open {
    max-height: 500px;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.3);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.4);
}

.card-hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.nav-scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

@keyframes float {

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

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

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

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    border-radius: 4px;
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.timeline-line {
    background: linear-gradient(180deg, #3b82f6 0%, #93c5fd 100%);
}

/* slider styles */

.slider-container {
    overflow: hidden;
    width: 100vw;
}

.slider-track {
    display: flex;
    height: 100%;
    width: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    min-width: 100vw;
    height: 100%;
    flex-shrink: 0;
}

.slide-bg-1 {
    background-image:
        radial-gradient(circle at 20% 50%, #3b82f6 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, #bb63f1 0%, transparent 50%);
}

.slide-bg-2 {
    background-image:
        radial-gradient(circle at 80% 20%, #a855f7 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, #ec4899 0%, transparent 50%);
}

.slide-bg-3 {
    background-image:
        radial-gradient(circle at 30% 40%, #10b981 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, #14b8a6 0%, transparent 50%);
}

.slide-bg-4 {
    background-image:
        radial-gradient(circle at 60% 30%, #f97316 0%, transparent 50%),
        radial-gradient(circle at 40% 70%, #ef4444 0%, transparent 50%);
}

.slide-bg-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}


.slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}