:root {
    --navy-deep: #020617;
    --navy-light: #0f172a;
    --sky-blue: #7dd3fc;
    --sky-soft: #e0f2fe;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body { 
    font-family: 'Inter', sans-serif; 
    background-color: var(--navy-deep); 
    color: white;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

.glass-header {
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(125, 211, 252, 0.1);
}

.hero-gradient {
    background: radial-gradient(circle at 50% 50%, rgba(125, 211, 252, 0.08) 0%, transparent 70%);
}

.btn-premium {
    background: var(--sky-blue);
    color: var(--navy-deep);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 20px rgba(125, 211, 252, 0.2);
}

.btn-premium:hover {
    transform: translateY(-2px);
    background: var(--sky-soft);
    box-shadow: 0 0 30px rgba(125, 211, 252, 0.4);
}

.card-interface {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(125, 211, 252, 0.1);
    transition: all 0.3s ease;
}

.card-interface:hover {
    border-color: rgba(125, 211, 252, 0.4);
    transform: translateY(-4px);
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.dash-frame {
    background: #000205;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.8);
}

.status-pulse {
    width: 8px; 
    height: 8px; 
    background: #7dd3fc; 
    border-radius: 50%;
    animation: pulse-sky 2s infinite;
}

@keyframes pulse-sky {
    0% { box-shadow: 0 0 0 0 rgba(125, 211, 252, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(125, 211, 252, 0); }
    100% { box-shadow: 0 0 0 0 rgba(125, 211, 252, 0); }
}

#mobile-menu {
    transition: opacity 0.3s ease;
}

input, select, textarea {
    color: white;
}

input::placeholder,
textarea::placeholder {
    color: rgba(156, 163, 175, 0.5);
}

input:focus, 
select:focus, 
textarea:focus {
    box-shadow: 0 0 0 2px rgba(125, 211, 252, 0.2);
}

select option {
    background-color: var(--navy-light);
    color: white;
}

.nav-link.text-sky-300 {
    position: relative;
}

.nav-link.text-sky-300::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--sky-blue);
}

::-webkit-scrollbar { 
    width: 6px; 
}

::-webkit-scrollbar-track { 
    background: var(--navy-deep); 
}

::-webkit-scrollbar-thumb { 
    background: #1e293b; 
    border-radius: 10px; 
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

@media (max-width: 768px) {
    .hero-gradient {
        padding-top: 100px;
    }
    
    #mobile-menu {
        backdrop-filter: blur(20px);
    }
}