body {
    background-color: #181818;
    font-family: 'Inter', sans-serif;
    color: #ffffff;
    margin: 0;
}

/* grid */
.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    z-index: 0;
}

.cta-button {
    background-color: #ed4344;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px 0 rgba(237, 67, 68, 0.3);
}

.cta-button:hover {
    background-color: #d1393a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(237, 67, 68, 0.4);
}

/* featurs */
.features-container {
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    background: radial-gradient(circle at 10% 0%, rgba(237, 67, 68, 0.03), transparent 60%);
}

.feature-btn {
    position: relative;
    padding-left: 1rem;
    transition: all 0.4s ease;
}

.feature-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0%;
    background-color: #ed4344;
    transition: height 0.4s ease, box-shadow 0.4s ease;
    border-radius: 4px;
}

.feature-btn.active-feature-btn {
    padding-left: 1.5rem;
}

.feature-btn.active-feature-btn::before {
    height: 100%;
    box-shadow: 0 0 15px rgba(237, 67, 68, 0.6);
}

.active-feature-text {
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

/* timelinescroll */
.timeline-item {
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item-hidden {
    opacity: 0;
    transform: translateY(3rem);
}

.timeline-item-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 3d tlti */
.transform-style-3d {
    transform-style: preserve-3d;
}

.tilt-card {

    will-change: transform;
    perspective: 1200px;
}

.tilt-content {
    transition: transform 0.3s ease-out;
    transform: translateZ(40px);
}

/* CTA efeqti */
@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* scroll animaciebi  */
.animate-on-scroll {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.fade-in-up {
    transform: translateY(40px);
}

.fade-in-down {
    transform: translateY(-40px);
}

.fade-in-left {
    transform: translateX(-40px);
}

.fade-in-right {
    transform: translateX(40px);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}


.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

.delay-400 {
    transition-delay: 400ms;
}

.delay-500 {
    transition-delay: 500ms;
}