body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(
        to bottom,
        #020617 0%,
        #020617 40%,
        #02081f 100%
    );
    color: #f8fafc;
}

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: #06b6d4;
    transform: translateY(-5px);
}

.text-gradient {
    background: linear-gradient(90deg, #06b6d4, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-primary {
    background: linear-gradient(90deg, #06b6d4, #0891b2);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.feature-icon {
    color: #06b6d4;
}

html {
    scroll-behavior: smooth;
}

.nav-gradient {
    background: rgba(2, 6, 23, 0.2);
}

.section-gradient {
    background: transparent;
}

.brand-logo-img {
    height: 3rem;
    width: auto;
    object-fit: contain;
}

.hero-3d-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
    background: radial-gradient(circle at top left, #0f172a 0, transparent 60%);
}

.hero-orb {
    position: absolute;
    border-radius: 9999px;
    filter: blur(60px);
    opacity: 0.9;
    transform-style: preserve-3d;
    animation: orb-float 18s ease-in-out infinite alternate;
}

.hero-orb--cyan {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, #22d3ee 0, transparent 70%);
}

.hero-orb--violet {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, #a855f7 0, transparent 70%);
}

.hero-orb--blue {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, #3b82f6 0, transparent 70%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(148, 163, 184, 0.16) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(148, 163, 184, 0.14) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.25;
    transform: perspective(900px) rotateX(60deg) translateY(40%);
    transform-origin: top;
    animation: grid-glow 20s linear infinite;
}

.tilt-card {
    will-change: transform;
    transform-style: preserve-3d;
    transition: transform 0.25s ease-out, box-shadow 0.25s ease-out;
}

.tilt-card--active {
    box-shadow:
        0 30px 80px rgba(15, 23, 42, 0.8),
        0 0 40px rgba(56, 189, 248, 0.35);
}

@keyframes orb-float {
    0% {
        transform: translate3d(-10%, -10%, 0) scale(1);
    }
    50% {
        transform: translate3d(5%, 10%, 40px) scale(1.05);
    }
    100% {
        transform: translate3d(15%, -5%, 80px) scale(1.1);
    }
}

@keyframes grid-glow {
    0% {
        opacity: 0.18;
        filter: hue-rotate(0deg);
    }
    50% {
        opacity: 0.32;
        filter: hue-rotate(40deg);
    }
    100% {
        opacity: 0.18;
        filter: hue-rotate(0deg);
    }
}