/* AlgoTree Landing Page - Core Design System & Glassmorphism */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500;600;700&family=Sora:wght@400;600;700;800&display=swap');

:root {
    --color-primary: #27C986;
    --color-primary-glow: rgba(39, 201, 134, 0.4);
    --color-primary-subtle: rgba(39, 201, 134, 0.12);
    --color-cyan: #38BDF8;
    --color-cyan-glow: rgba(56, 189, 248, 0.4);
    --color-bg-dark: #13182E;
    --color-bg-card: rgba(19, 24, 46, 0.7);
    --color-bg-card-hover: rgba(255, 255, 255, 0.06);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-glow: rgba(39, 201, 134, 0.3);
    --color-text-main: #FFFFFF;
    --color-text-sub: #94A3B8;
    --color-profit: #27C986;
    --color-loss: #EF4444;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: 'Sora', sans-serif;
}

.font-mono {
    font-family: 'IBM Plex Mono', monospace;
}

/* Glassmorphism Components */
.glass-panel {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-panel:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-glow);
    box-shadow: 0 12px 40px rgba(39, 201, 134, 0.15);
}

.glass-navbar {
    background: rgba(19, 24, 46, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: padding 0.3s ease, background 0.3s ease;
}

/* Gradient & Aurora Accents */
.text-gradient {
    background: linear-gradient(135deg, #FFFFFF 0%, #A5A5A5 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-green {
    background: linear-gradient(135deg, #38BDF8 0%, #27C986 60%, #10B981 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.aurora-bg {
    position: absolute;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, var(--color-cyan-glow) 40%, rgba(11, 16, 29, 0) 70%);
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
    animation: aurora-float 12s infinite alternate ease-in-out;
}

@keyframes aurora-float {
    0% { transform: translate(0px, 0px) scale(1); }
    50% { transform: translate(50px, -40px) scale(1.1); }
    100% { transform: translate(-30px, 30px) scale(0.95); }
}

/* Floating Particles Background Canvas */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Glowing Button */
.btn-primary-glow {
    background: linear-gradient(135deg, #27C986 0%, #0EA5E9 100%);
    color: #FFFFFF;
    box-shadow: 0 0 25px rgba(39, 201, 134, 0.4);
    transition: all 0.3s ease;
}

.btn-primary-glow:hover {
    box-shadow: 0 0 35px rgba(56, 189, 248, 0.6);
    transform: translateY(-2px);
}

/* Glowing Border Pulse */
.pulse-border {
    position: relative;
}

.pulse-border::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--color-primary), transparent, var(--color-primary));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
    animation: border-pulse 3s infinite ease-in-out;
}

@keyframes border-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* Animated Execution Flow Line */
.flow-node {
    position: relative;
    transition: all 0.3s ease;
}

.flow-node.active {
    box-shadow: 0 0 25px var(--color-primary);
    border-color: var(--color-primary);
}

/* Hide scrollbar for carousel */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}