.landing-body {
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.landing-header {
    flex: 0 0 auto;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}

.btn-primary {
    padding: 7px 17px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.btn-primary:hover {
    color: var(--text);
    border-color: var(--accent-blue);
}

.hero {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(8px, 2vh, 24px) 24px;
    overflow: hidden;
    box-sizing: border-box;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5.5vh, 4rem);
    font-weight: 700;
    margin: 0;
    color: var(--text);
    text-wrap: balance;
}

.hero-accent {
    color: var(--accent-blue);
}

.hero-subtitle {
    margin: clamp(8px, 1.5vh, 20px) 0 0;
    max-width: 800px;
    color: var(--text-dim);
    font-size: clamp(1rem, 2.2vh, 1.3rem);
    line-height: 1.6;
}

.hero-radar {
    width: min(32vw, 36vh, 360px);
    aspect-ratio: 1;
    margin: clamp(12px, 3vh, 40px) auto 0;
}

.hero-radar-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.hero-radar-ring {
    fill: none;
    stroke: var(--border);
    stroke-width: 1;
}

.hero-radar-sweep {
    transform-origin: 200px 200px;
    animation: hero-radar-spin 5s linear infinite;
}

.hero-radar-core {
    fill: var(--accent-cyan);
    animation: hero-core-pulse 2.4s ease-in-out infinite;
}

.hero-radar-blip {
    fill: var(--sev-medium);
    filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.6));
}

.hero-radar-blip-1 {
    animation: hero-blip-pulse 3s ease-in-out infinite;
}

.hero-radar-blip-2 {
    animation: hero-blip-pulse 3s ease-in-out infinite 1.2s;
}

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

@keyframes hero-core-pulse {

    0%,
    100% {
        filter: drop-shadow(0 0 6px rgba(34, 211, 238, 0.6));
    }

    50% {
        filter: drop-shadow(0 0 18px rgba(34, 211, 238, 1));
    }
}

@keyframes hero-blip-pulse {

    0%,
    100% {
        opacity: 0.55;
    }

    50% {
        opacity: 1;
    }
}

.hero-cta {
    margin-top: clamp(12px, 3vh, 40px);
    padding: 14px 34px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: var(--surface-sunken);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
}

.hero-cta:hover {
    box-shadow: 0 0 24px rgba(56, 189, 248, 0.5);
    transform: translateY(-2px);
}

.hero-steps {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 24px clamp(16px, 4vh, 40px);
}

.hero-step {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-dim);
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.6);
}

.hero-step-arrow {
    color: var(--text-faint);
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .landing-header {
        padding: 14px 16px;
    }

    .hero {
        padding: clamp(8px, 2vh, 24px) 16px;
    }

    .hero-radar {
        width: min(45vw, 28vh, 240px);
    }
}

@media (prefers-reduced-motion: reduce) {

    .hero-radar-sweep,
    .hero-radar-core,
    .hero-radar-blip-1,
    .hero-radar-blip-2 {
        animation: none;
    }

    .btn-primary,
    .hero-cta {
        transition: none;
    }
}