html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(circle at 18% 14%, rgba(109, 167, 255, 0.18), transparent 18%),
        radial-gradient(circle at 82% 16%, rgba(32, 227, 255, 0.12), transparent 18%),
        radial-gradient(circle at 50% 110%, rgba(15, 71, 130, 0.24), transparent 36%),
        linear-gradient(180deg, #030a14 0%, #041020 34%, #030812 100%);
    color: #e9f3ff;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before,
body::after {
    content: '';
    position: fixed;
    pointer-events: none;
    z-index: 0;
    filter: blur(100px);
    opacity: 0.6;
}

body::before {
    top: 6%;
    left: -10%;
    width: 34rem;
    height: 34rem;
    background: radial-gradient(circle, rgba(32, 227, 255, 0.2), transparent 68%);
}

body::after {
    right: -12%;
    top: 22%;
    width: 34rem;
    height: 34rem;
    background: radial-gradient(circle, rgba(109, 167, 255, 0.18), transparent 70%);
}

.grid-field {
    background-image:
        linear-gradient(rgba(145, 247, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(145, 247, 255, 0.07) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.86), transparent 94%);
}

.nav-shell {
    background: linear-gradient(180deg, rgba(7, 18, 33, 0.82), rgba(4, 11, 24, 0.62));
    border: 1px solid rgba(145, 247, 255, 0.12);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(18px);
}

.glass-panel {
    background: linear-gradient(180deg, rgba(8, 21, 40, 0.82), rgba(4, 13, 26, 0.76));
    border: 1px solid rgba(145, 247, 255, 0.12);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.02), 0 32px 120px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(20px);
}

.hero-mesh {
    position: absolute;
    inset: 1rem 0 auto;
    height: 28rem;
    background:
        radial-gradient(circle at 20% 18%, rgba(32, 227, 255, 0.13), transparent 26%),
        radial-gradient(circle at 78% 22%, rgba(109, 167, 255, 0.16), transparent 22%),
        radial-gradient(circle at 50% 62%, rgba(32, 227, 255, 0.08), transparent 32%);
    filter: blur(20px);
    pointer-events: none;
}

.metric-card {
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    inset: auto -20% -60% 28%;
    height: 9rem;
    background: radial-gradient(circle, rgba(32, 227, 255, 0.18), transparent 68%);
    pointer-events: none;
}

.content-card {
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    inset: -30%;
    background: linear-gradient(90deg, transparent, rgba(145, 247, 255, 0.06), transparent);
    transform: translateX(-120%) skewX(-18deg);
    animation: beam 7s linear infinite;
    pointer-events: none;
}

.content-card > * {
    position: relative;
    z-index: 1;
}

.signal-list {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.signal-dot {
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 999px;
    margin-top: 0.35rem;
    background: #20e3ff;
    box-shadow: 0 0 18px rgba(32, 227, 255, 0.65);
    flex-shrink: 0;
}

.timeline-card {
    position: relative;
    padding-left: 1.6rem;
}

.timeline-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    bottom: -2rem;
    width: 1px;
    background: linear-gradient(180deg, rgba(32, 227, 255, 0.5), rgba(32, 227, 255, 0));
}

.timeline-card:last-child::before {
    bottom: 0;
}

.timeline-step {
    position: absolute;
    left: -0.55rem;
    top: 0.35rem;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 999px;
    background: #06111f;
    border: 1px solid rgba(32, 227, 255, 0.45);
    box-shadow: 0 0 0 6px rgba(32, 227, 255, 0.06);
}

.faq-card summary {
    list-style: none;
    cursor: pointer;
}

.faq-card summary::-webkit-details-marker {
    display: none;
}

.faq-card[open] {
    border-color: rgba(32, 227, 255, 0.35);
    box-shadow: 0 0 0 1px rgba(32, 227, 255, 0.08);
}

.faq-toggle {
    transition: transform 0.25s ease;
}

.faq-card[open] .faq-toggle {
    transform: rotate(45deg);
}

@keyframes beam {
    0% {
        transform: translateX(-120%) skewX(-18deg);
        opacity: 0;
    }
    14% {
        opacity: 1;
    }
    100% {
        transform: translateX(120%) skewX(-18deg);
        opacity: 0;
    }
}