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

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #020617;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    position: relative;
}

.loader-circle {
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: #2563EB;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: absolute;
}

.loader-circle:nth-child(2) {
    width: 40px;
    height: 40px;
    top: 10px;
    left: 10px;
    border-top-color: #06B6D4;
    animation-direction: reverse;
    animation-duration: 0.8s;
}

.loader-circle:nth-child(3) {
    width: 20px;
    height: 20px;
    top: 20px;
    left: 20px;
    border-top-color: #3B82F6;
    animation-duration: 0.6s;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0F172A;
}

::-webkit-scrollbar-thumb {
    background: #2563EB;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1D4ED8;
}

/* Mobile Menu */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-overlay {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-dropdown-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-dropdown-content.open {
    max-height: 300px;
}

.navbar-scrolled {
    background: rgba(2, 6, 23, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #2563EB, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    border-radius: 2px;
}

/* Back to Top */
.back-to-top {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #020617 0%, #0F172A 40%, #1E293B 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1), transparent 70%);
}

/* Particle */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #2563EB;
    border-radius: 50%;
    opacity: 0.3;
    animation: pf 8s infinite ease-in-out;
}

@keyframes pf {

    0%,
    100% {
        transform: translate(0, 0);
        opacity: 0.3
    }

    50% {
        transform: translate(-20px, -40px);
        opacity: 0.6
    }
}

/* Sidebar */
.sidebar-link {
    transition: all 0.3s ease;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: linear-gradient(135deg, #2563EB, #06B6D4);
    color: white;
    border-color: transparent;
}

.sidebar-link.active .sidebar-arrow {
    opacity: 1;
}

.sidebar-link:hover .sidebar-arrow {
    opacity: 1;
}

.sidebar-arrow {
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Image Zoom */
.img-zoom {
    overflow: hidden;
}

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

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

/* Feature Item */
.feature-item {
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: rgba(37, 99, 235, 0.3);
}

/* Progress Bar Animation */
.progress-fill {
    transition: width 1.5s ease;
}

/* Tab */
.tab-btn {
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: linear-gradient(135deg, #2563EB, #06B6D4);
    color: white;
}

.tab-content {
    display: none;
    animation: fadeInTab 0.4s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeInTab {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Pricing Tier */
.pricing-tier {
    transition: all 0.4s ease;
}

.pricing-tier:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.12);
}

.pricing-tier.featured {
    border-color: rgba(37, 99, 235, 0.5);
}

/* Testimonial */
.testimonial-card {
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: rgba(37, 99, 235, 0.2);
}

/* Related Service */
.related-card {
    transition: all 0.4s ease;
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.12);
}

.related-card:hover .related-icon {
    background: linear-gradient(135deg, #2563EB, #06B6D4);
    color: white;
}

.related-icon {
    transition: all 0.4s ease;
}

/* CTA Pulse */
@keyframes ctaPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4)
    }

    50% {
        box-shadow: 0 0 0 20px rgba(37, 99, 235, 0)
    }
}

.cta-pulse {
    animation: ctaPulse 2.5s infinite;
}

/* Sticky Sidebar */
@media (min-width: 1024px) {
    .sticky-sidebar {
        position: sticky;
        top: 100px;
    }
}

html, body {
  overflow-x: hidden;
}