:root {
    --landing-bg: #030712;
    --landing-card: rgba(15, 23, 42, 0.65);
    --landing-accent: #25d366;
    --landing-accent-dim: #128c7e;
    --landing-text: #e2e8f0;
}

.landing-body {
    margin: 0;
    min-height: 100vh;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: radial-gradient(1200px 800px at 10% -10%, rgba(37, 211, 102, 0.15), transparent),
        radial-gradient(800px 600px at 90% 20%, rgba(59, 130, 246, 0.12), transparent),
        var(--landing-bg);
    color: var(--landing-text);
    overflow-x: hidden;
}

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(12px);
    background: rgba(3, 7, 18, 0.75);
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.landing-brand {
    font-weight: 700;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: inherit;
    text-decoration: none;
}

.landing-brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--landing-accent), var(--landing-accent-dim));
    animation: pulse-dot 2.2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.15); }
}

.landing-nav-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.landing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    border: 1px solid transparent;
}

.landing-btn-ghost {
    color: var(--landing-text);
    border-color: rgba(148, 163, 184, 0.25);
    background: transparent;
}

.landing-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-1px);
}

.landing-btn-primary {
    background: linear-gradient(135deg, var(--landing-accent), var(--landing-accent-dim));
    color: #030712;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25);
}

.landing-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.35);
}

.landing-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1.5rem 4rem;
    display: grid;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 900px) {
    .landing-hero {
        grid-template-columns: 1fr 1fr;
    }
}

.landing-hero h1 {
    font-size: clamp(2rem, 4vw, 2.85rem);
    line-height: 1.15;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
    animation: fade-up 0.9s ease-out both;
}

.landing-hero p {
    color: #94a3b8;
    font-size: 1.05rem;
    line-height: 1.6;
    margin: 0 0 1.5rem;
    animation: fade-up 0.9s ease-out 0.1s both;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.landing-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    animation: fade-up 0.9s ease-out 0.2s both;
}

.landing-visual {
    position: relative;
    min-height: 280px;
    animation: fade-up 1s ease-out 0.25s both;
}

.landing-orbit {
    position: absolute;
    inset: 0;
    border-radius: 1.25rem;
    background: linear-gradient(145deg, rgba(37, 211, 102, 0.08), rgba(59, 130, 246, 0.06));
    border: 1px solid rgba(148, 163, 184, 0.15);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.landing-float {
    position: absolute;
    width: 72px;
    height: 72px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: var(--landing-card);
    border: 1px solid rgba(148, 163, 184, 0.2);
    animation: float 5s ease-in-out infinite;
}

.landing-float:nth-child(2) { top: 12%; left: 8%; animation-delay: 0s; }
.landing-float:nth-child(3) { top: 38%; right: 12%; animation-delay: 0.8s; }
.landing-float:nth-child(4) { bottom: 18%; left: 22%; animation-delay: 1.6s; }
.landing-float:nth-child(5) { bottom: 10%; right: 8%; animation-delay: 2.2s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(2deg); }
}

.landing-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.landing-section h2 {
    font-size: 1.5rem;
    margin: 0 0 1.25rem;
}

.landing-features {
    display: grid;
    gap: 1rem;
}

@media (min-width: 700px) {
    .landing-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

.landing-feature {
    padding: 1.25rem;
    border-radius: 1rem;
    background: var(--landing-card);
    border: 1px solid rgba(148, 163, 184, 0.12);
    transition: transform 0.25s, border-color 0.25s;
}

.landing-feature:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 211, 102, 0.35);
}

.landing-footer {
    text-align: center;
    padding: 2rem 1rem 3rem;
    color: #64748b;
    font-size: 0.875rem;
}