h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--muted);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

:root {
    --bg: #000;
    --panel: #0f0f0f;
    --text: #fff;
    --muted: rgba(255,255,255,0.75);
    --border: rgba(255,255,255,0.14);
}

html, body { height: 100%; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

a { color: var(--text); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1040px; margin: 0 auto; padding: 0 18px; }

.topbar {
    position: sticky; top: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 18px;
}

.brand { font-weight: 900; letter-spacing: .5px; }
.nav { display: flex; gap: 10px; }
.nav a { opacity: .85; padding: 6px 10px; border-radius: 10px; }
.nav a:hover { opacity: 1; background: rgba(255,255,255,0.06); text-decoration: none; }

.main { padding: 28px 0 40px; }
.footer { border-top: 1px solid var(--border); padding: 16px 18px; opacity: .75; font-size: 14px; }

.hero {
    padding-top: 20px;
    position: relative;
    overflow: hidden;
    padding-bottom: 140px;
    text-align: center;
}
.title { font-size: 56px; font-weight: 950; margin: 6px 0 10px; letter-spacing: -1px; }
.subtitle { max-width: 720px; color: var(--muted); line-height: 1.5; font-size: 18px; text-align: center; margin: 0 auto; }

.section { margin-top: 28px; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; margin-top: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }

.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; justify-content: center; align-items: center; }

.btn {
    border-radius: 12px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    display: inline-block;
    font-weight: 700;
}
.btn-solid { background: #fff; color: #000; border-color: transparent; }
.btn-solid:hover { filter: brightness(.92); text-decoration: none; }
.btn-outline:hover { background: rgba(255,255,255,0.06); text-decoration: none; }

.form-row { display: grid; gap: 6px; margin-bottom: 12px; }
.input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: #fff;
    border-radius: 12px;
    padding: 10px 12px;
    outline: none;
}
.input:focus { border-color: rgba(255,255,255,0.35); }

@media (max-width: 900px) {
    .cards { grid-template-columns: 1fr; }
    .title { font-size: 42px; }
}

/* Oscillating "signal" lines behind the hero content */
.oscillator {
    position: absolute;
    left: 30px;
    right: -80px;
    top: 36%;
    transform: translateY(-50%);
    height: 200px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.45;

    /* fade out toward the top so it doesn’t fight the logo/text */
    -webkit-mask-image: linear-gradient(to top, rgba(255,255,255,1), rgba(255,255,255,0));
    mask-image: linear-gradient(to top, rgba(255,255,255,1), rgba(255,255,255,0));
}

.oscillator svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* ensure svg viewBox maps to the element and keeps lines visible on narrow screens */
.oscillator { overflow: visible; }
.oscillator svg { overflow: visible; display: block; }

.line {
    fill: none;
    stroke: #ffffff;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.9;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.35));
    /* keep strokes crisp on high-DPI displays */
    vector-effect: non-scaling-stroke;
}

.l2 { opacity: 0.38; }
.l3 { opacity: 0.26; }
.l4 { opacity: 0.18; }

/* Keep hero content above the oscillator */
.hero-logo,
.title,
.subtitle,
.cta {
    position: relative;
    z-index: 3;
}

/* Mobile adjustments */
@media (max-width: 900px) {
    .cards { grid-template-columns: 1fr; }
    .title { font-size: 42px; }
}

@media (max-width: 768px) {
    .hero {
        padding-bottom: 110px;
    }

    .oscillator {
        /* move closer to center and ensure it doesn't overflow off-screen */
        left: 12px;
        right: 12px;
        height: 140px;
        opacity: 0.36;
    }

    .line {
        stroke-width: 1.6;
        filter: none;
    }
}

@media (max-width: 420px) {
    .hero {
        padding-bottom: 90px;
    }

    .oscillator {
        left: 6px;
        right: 6px;
        height: 110px;
        opacity: 0.32;
    }

    .line {
        stroke-width: 1.2;
    }
}