/* Flat Line Design System */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --blue-deep: #0A1628;
    --blue-vivid: #1E88E5;
    --blue-light: #42A5F5;
    --blue-sky: #90CAF9;
    --cyan: #00B4D8;
    --cyan-light: #48CAE4;
    --gold: #FFD166;
    --muted: #7B9BC8;
    --emerald: #00C896;
    --border: rgba(255,255,255,0.1);
}

html {
    scroll-behavior: smooth;
}

.flatline-body {
    font-family: 'Syne', sans-serif;
    background: var(--blue-deep);
    color: #fff;
    overflow-x: hidden;
}

.page-wrap {
    background: radial-gradient(ellipse 80% 60% at 10% 0%, rgba(21,101,192,0.45) 0%, transparent 60%),
                radial-gradient(ellipse 60% 50% at 90% 20%, rgba(0,180,216,0.25) 0%, transparent 55%),
                radial-gradient(ellipse 50% 40% at 50% 80%, rgba(30,136,229,0.2) 0%, transparent 60%),
                linear-gradient(160deg, #0A1628 0%, #0D2040 40%, #0B1C3A 100%);
    min-height: 100vh;
}

/* Orbs */
.orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(80px);
}

.orb-1 {
    width: 500px;
    height: 500px;
    top: -100px;
    left: -150px;
    background: radial-gradient(circle, rgba(21,101,192,0.4), transparent 70%);
    animation: drift 12s ease-in-out infinite alternate;
}

.orb-2 {
    width: 400px;
    height: 400px;
    top: 100px;
    right: -100px;
    background: radial-gradient(circle, rgba(0,180,216,0.3), transparent 70%);
    animation: drift 15s 2s ease-in-out infinite alternate-reverse;
}

.orb-3 {
    width: 300px;
    height: 300px;
    bottom: 50px;
    left: 40%;
    background: radial-gradient(circle, rgba(30,136,229,0.25), transparent 70%);
    animation: drift 10s 1s ease-in-out infinite alternate;
}

@keyframes drift {
    from { transform: translate(0,0) scale(1); }
    to { transform: translate(30px,20px) scale(1.1); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

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

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}