/* Root design tokens per updated instructions */
:root {
    --color-bg: #0D1117;
    --color-text: #C9D1D9;
    --color-muted: #8B949E;
    --gradient-primary: linear-gradient(90deg,#ff5e84,#3e8bff);
    --gradient-secondary: linear-gradient(90deg,#ff5e84,#59f4b2);
    --gradient-tertiary: linear-gradient(90deg,#ff5e84,#ff8e26);
    --gradient-full: linear-gradient(90deg,#ff5e84,#3e8bff,#59f4b2,#ff8e26,#ff5e84);
    --font-display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    /* Updated font stack per design instructions: use distinctive display font */
    font-family: var(--font-display);
    background-color: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden; /* allow vertical scrolling while preventing horizontal overflow */
}
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none; /* ensure canvas doesn't block touch scrolling */
}
#canvas-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(13, 17, 23, 0.65);
    z-index: 0;
    pointer-events: none; /* allow interaction with underlying content */
}
main, header, footer {
    position: relative;
    z-index: 1;
}
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    padding-bottom: 0.1em;
    padding-right: 0.1em;
}
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.gradient-text-animate {
    background: var(--gradient-full);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    animation: gradientShift 10s ease-in-out infinite;
    padding-right: 0.15em;
}
.hero-heading {
    font-weight: 800; /* extreme weight for strong display */
    font-family: var(--font-display);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-size: clamp(2.6rem, 6.2vw, 4.75rem);
    text-align: center;
    color: #FFFFFF;
    opacity: 1;
    transform: none;
}
.hero-preamble {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    letter-spacing: 0.38em;
    text-transform: uppercase;
    color: var(--color-muted);
    font-family: var(--font-mono); /* thin monospace for contrast */
    font-weight: 100;
    line-height: 1;
    margin: 0; /* remove bottom margin to avoid misalignment */
}
.hero-topline {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.9rem; /* spacing after topline */
}
.inline-pill {
    display: inline-flex;
    align-items: center;
    margin-top: 0 !important;
    position: relative;
    top: 0;
    line-height: 1; /* ensure same vertical center calc */
    padding-top: 5px;
    padding-bottom: 5px; /* slightly tighter for optical centering */
}
.hero-primary {
    display: block;
    font-weight: 800; /* maintain extreme bold for primary name */
    font-family: var(--font-display);
    text-shadow: 0 2px 12px rgba(88, 166, 255, 0.25), 0 0 0 1px rgba(255,255,255,0.02);
    transition: text-shadow 0.4s ease, filter 0.4s ease;
}
.hero-primary:hover {
    text-shadow: 0 4px 22px rgba(88, 166, 255, 0.55), 0 0 0 1px rgba(255,255,255,0.08);
    filter: brightness(1.12);
}
.hero-secondary {
    display: block;
    margin-top: 0.75rem;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 300; /* lighter weight for contrast against bold hero-primary */
    font-family: var(--font-display);
    color: var(--color-text);
}
.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.68rem;
    font-weight: 800; /* strong contrast vs thin hero-preamble */
    font-family: var(--font-mono);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    background: rgba(88, 166, 255, 0.12);
    color: #58A6FF;
    padding: 6px 12px;
    border: 1px solid #58A6FF33;
    border-radius: 999px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    box-shadow: 0 0 0 1px #30363D, 0 4px 14px rgba(0,0,0,0.5);
    position: relative;
}
@media (prefers-reduced-motion: reduce) {
    .gradient-text-animate { animation: none; background-size: auto; }
    .hero-heading { animation: none; opacity: 1; transform: none; }
}

@media (max-width: 420px) {
    .hero-secondary { display: none; }
    .hero-preamble { letter-spacing: 0.25em; }
    .hero-topline { gap: 0.5rem; }
    .coming-soon-badge { font-size: 0.6rem; padding: 4px 10px; }
}
.card {
    background-color: rgba(22, 27, 34, 0.8);
    border: 1px solid #30363D;
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.tooltip-container {
    position: relative;
    display: inline-block;
    border-bottom: 2px dotted rgba(88, 166, 255, 0.5);
    cursor: pointer;
    outline: none;
}
.tooltip {
    visibility: hidden;
    background-color: #161B22;
    color: var(--color-text);
    display: block;
    border-radius: 8px;
    padding: 10px 14px;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s;
    width: max-content;
    max-width: 260px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    background-image: linear-gradient(#161B22,#161B22), var(--gradient-primary);
    background-origin: border-box;
    background-clip: padding-box,border-box;
    border: 1px solid transparent;
    box-shadow: 0 4px 18px rgba(0,0,0,0.55);
    white-space: normal;
    line-height: 1.25;
}
/* Variant tooltip borders using specific palette gradients */
.tooltip-scale { background-image: linear-gradient(#161B22,#161B22), var(--gradient-primary); }
.tooltip-simplify { background-image: linear-gradient(#161B22,#161B22), var(--gradient-secondary); }
.tooltip-enable { background-image: linear-gradient(#161B22,#161B22), var(--gradient-tertiary); }
/* Removed icon classes after reverting to text-only tooltips */
.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: #30363D transparent transparent transparent;
}
.tooltip-container:hover .tooltip {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}
.tooltip-container:focus .tooltip,
.tooltip-container:focus-within .tooltip {
    visibility: visible;
    opacity: 1;
}
.tooltip-trigger:focus {
    outline: 2px solid #58A6FF;
    outline-offset: 3px;
}
@media (max-width: 640px) {
    .tooltip {
        bottom: 140%;
        max-width: 200px;
        font-size: 0.7rem;
    }
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0D1117;
}
::-webkit-scrollbar-thumb {
    background: #30363D;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #58A6FF;
}
.footer-gradient-bar {
    height: 2px;
    width: 100%;
    background: var(--gradient-primary);
    opacity: 0.6;
    margin-bottom: 20px;
    border-radius: 2px;
}