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

html,
body {
    height: 100%;
    overflow: hidden
}

:root {
    --bg: #0a0e1a;
    --surface: #131829;
    --text: #e8eaf0;
    --accent: #00d4aa;
    --accent2: #0077ff
}

/* Intro animation */
.intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: opacity .8s, visibility .8s
}

.intro-overlay.hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none
}

.intro-ring {
    width: 160px;
    height: 160px;
    border: 3px solid transparent;
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spinRing 1s linear infinite
}

.intro-ring-inner {
    width: 120px;
    height: 120px;
    border: 3px solid transparent;
    border-bottom-color: var(--accent2);
    border-radius: 50%;
    animation: spinRing .7s linear infinite reverse;
    position: absolute
}

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

.intro-logo {
    animation: logoReveal 1.2s ease-out forwards;
    opacity: 0;
    transform: scale(.5)
}

@keyframes logoReveal {
    to {
        opacity: 1;
        transform: scale(1)
    }
}

.intro-text {
    animation: slideUp 1s ease-out .6s forwards;
    opacity: 0;
    transform: translateY(30px)
}

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

.intro-bar {
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    animation: loadBar 2.5s ease-in-out forwards;
    border-radius: 4px
}

@keyframes loadBar {
    to {
        width: 280px
    }
}

/* Main site animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: all .7s cubic-bezier(.22, 1, .36, 1)
}

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

.slide-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: all .7s cubic-bezier(.22, 1, .36, 1)
}

.slide-left.visible {
    opacity: 1;
    transform: translateX(0)
}

.slide-right {
    opacity: 0;
    transform: translateX(60px);
    transition: all .7s cubic-bezier(.22, 1, .36, 1)
}

.slide-right.visible {
    opacity: 1;
    transform: translateX(0)
}

/* Particles */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: float linear infinite
}

@keyframes float {
    0% {
        transform: translateY(0) scale(1);
        opacity: .6
    }

    50% {
        opacity: 1
    }

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

/* Glow effects */
.glow-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: glowPulse 3s ease-in-out infinite
}

@keyframes glowPulse {

    0%,
    100% {
        opacity: .3
    }

    50% {
        opacity: 1
    }
}

/* Nav */
.nav-link {
    position: relative;
    padding-bottom: 2px
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width .3s
}

.nav-link:hover::after {
    width: 100%
}

/* Cards */
.service-card {
    transition: transform .3s, box-shadow .3s
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 212, 170, .15)
}

/* Scroll */
.main-scroll {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth
}

.main-scroll::-webkit-scrollbar {
    width: 6px
}

.main-scroll::-webkit-scrollbar-track {
    background: var(--bg)
}

.main-scroll::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px
}

/* Grid pattern */
.grid-bg {
    background-image: linear-gradient(rgba(0, 212, 170, .03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 212, 170, .03) 1px, transparent 1px);
    background-size: 60px 60px
}

/* Gradient orbs */
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .15;
    pointer-events: none
}

/* Mobile menu */
.mobile-menu {
    transform: translateX(100%);
    transition: transform .3s
}

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

/* Demo badge */
.demo-badge {
    background: linear-gradient(135deg, #ff6b35, #ff3366);
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 9999px;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase
}

body {
    box-sizing: border-box;
}