:root {
    --ink: #dff7ff;
    --muted: rgba(223,247,255,0.7);
    --hud: #37c9ff;
    --hud-strong: #6be7ff;
    --bg: #05070a;
    --card: rgba(10,18,28,0.72);
    --card-border: rgba(55,201,255,0.28);
}

* { box-sizing: border-box; }

body.landing {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at 15% 20%, #0b1018 0%, #05070a 45%, #020307 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(55,201,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(55,201,255,0.05) 1px, transparent 1px);
    background-size: 120px 120px;
    opacity: 0.3;
    z-index: 0;
}

.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(0px);
    background: radial-gradient(circle, rgba(55,201,255,0.25), rgba(55,201,255,0.02) 60%, transparent 70%);
    z-index: 0;
}

.orb-1 {
    width: 420px;
    height: 420px;
    top: -120px;
    right: -60px;
}

.orb-2 {
    width: 320px;
    height: 320px;
    bottom: -140px;
    left: -80px;
}

.topbar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 6vw;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.brand-mark {
    color: var(--hud-strong);
    font-size: 1.2rem;
}

.topbar-actions {
    display: flex;
    gap: 14px;
    align-items: center;
}

.link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.link:hover { color: var(--hud-strong); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.04em;
    border: 1px solid transparent;
}

.btn.primary {
    background: linear-gradient(135deg, rgba(107,231,255,0.95), rgba(55,201,255,0.7));
    color: #021018;
    border-color: rgba(107,231,255,0.7);
    box-shadow: 0 0 20px rgba(55,201,255,0.35);
}

.btn.ghost {
    color: var(--hud-strong);
    border: 1px solid rgba(55,201,255,0.45);
    background: transparent;
}

main { position: relative; z-index: 1; }

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    padding: 60px 6vw 20px;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(2.1rem, 3.2vw, 3.6rem);
    line-height: 1.15;
    margin: 14px 0 18px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 0.75rem;
    color: var(--hud-strong);
    font-family: 'Orbitron', sans-serif;
}

.subhead {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 520px;
}

.cta-row { display: flex; gap: 14px; margin-top: 22px; flex-wrap: wrap; }

.trust {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 18px;
    color: rgba(223,247,255,0.6);
    font-size: 0.9rem;
}

.hero-visual {
    display: grid;
    place-items: center;
    gap: 20px;
}

.hud {
    position: relative;
    width: min(360px, 80vw);
    height: min(360px, 80vw);
    display: grid;
    place-items: center;
}

.hud-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(55,201,255,0.3);
    box-shadow: inset 0 0 20px rgba(55,201,255,0.15);
    animation: spin 20s linear infinite;
}

.ring-a { width: 100%; height: 100%; }
.ring-b { width: 72%; height: 72%; animation-duration: 14s; animation-direction: reverse; }
.ring-c { width: 46%; height: 46%; animation-duration: 10s; }

.hud-center {
    text-align: center;
    padding: 18px 20px;
    border-radius: 12px;
    background: rgba(6,10,16,0.7);
    border: 1px solid rgba(55,201,255,0.3);
}

.hud-title {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--hud-strong);
}

.hud-sub { font-size: 0.85rem; color: var(--muted); }

@keyframes spin { from { transform: rotate(0deg);} to { transform: rotate(360deg);} }


.pillars {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    padding: 40px 6vw;
}

.pillar {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
}

.pillar-icon { font-size: 1.6rem; }

.steps, .audience { padding: 30px 6vw; }

.section-title h2 {
    margin: 0 0 8px;
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
}

.section-title p { color: var(--muted); margin: 0; }

.step-grid, .audience-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 22px;
}

.step, .aud-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
}

.step-num {
    font-family: 'Orbitron', sans-serif;
    color: var(--hud-strong);
    letter-spacing: 0.2em;
    font-size: 0.9rem;
}

.privacy { padding: 40px 6vw 60px; }

.privacy-card {
    background: linear-gradient(135deg, rgba(12,22,36,0.8), rgba(6,10,16,0.85));
    border: 1px solid rgba(55,201,255,0.35);
    border-radius: 18px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer {
    padding: 18px 6vw 30px;
    color: rgba(223,247,255,0.6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

@media (max-width: 720px) {
    .topbar { flex-direction: column; gap: 12px; }
    .topbar-actions { width: 100%; justify-content: center; flex-wrap: wrap; }
    .footer { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
    .hero { padding-top: 40px; }
    .cta-row { flex-direction: column; }
    .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .hud-ring { animation: none; }
}