:root {
    --brb-bg: #05060a;
    --brb-surface: #0d101a;
    --brb-accent: #43b14a;
    --brb-accent-2: #2e9bd6;
    --brb-glow: rgba(67, 177, 74, 0.45);
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    font-family: "Inter", system-ui, sans-serif;
    background-color: var(--brb-bg);
    overflow-x: clip;
}

h1, h2, h3, h4, h5, h6, .navbar-brand, .display-1, .display-2, .display-3, .display-4, .display-5 {
    font-family: "Space Grotesk", system-ui, sans-serif;
    letter-spacing: -0.02em;
}

/* Ambient background grid + glow */
.site-bg-grid {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        radial-gradient(circle at 15% 10%, rgba(67, 177, 74, 0.09), transparent 38%),
        radial-gradient(circle at 85% 0%, rgba(46, 155, 214, 0.16), transparent 45%),
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
    pointer-events: none;
}

/* Gradient text */
.text-gradient {
    background: linear-gradient(90deg, var(--brb-accent), var(--brb-accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Brand mark */
.brand-mark {
    width: 2.1rem;
    height: 2.1rem;
    background: linear-gradient(135deg, var(--brb-accent), var(--brb-accent-2));
    color: #fff;
    box-shadow: 0 0 18px var(--brb-glow);
}

/* Navbar */
.site-navbar {
    background-color: rgba(7, 8, 14, 0.7);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: padding 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Shrink-on-scroll state */
.site-navbar.navbar-scrolled {
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
    background-color: rgba(7, 8, 14, 0.92);
    box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.6);
}

.brand-logo {
    height: 46px;
    width: auto;
    transition: height 0.3s ease;
}

.site-navbar.navbar-scrolled .brand-logo {
    height: 36px;
}

.site-navbar .nav-link {
    color: rgba(255, 255, 255, 0.72);
    font-weight: 500;
    transition: color 0.2s ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link:focus {
    color: #fff;
}

/* Glow button */
.btn-glow {
    color: #fff;
    border: none;
    background: linear-gradient(135deg, var(--brb-accent), var(--brb-accent-2));
    box-shadow: 0 8px 24px -6px var(--brb-glow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-glow:hover,
.btn-glow:focus {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px -4px var(--brb-glow);
}

/* Glass surfaces */
.glass-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.glass-card:hover {
    transform: translateY(-6px);
    border-color: rgba(67, 177, 74, 0.5);
    box-shadow: 0 20px 40px -20px var(--brb-glow);
}

/* Feature / icon chips */
.icon-chip {
    width: 3rem;
    height: 3rem;
    font-size: 1.35rem;
    background: rgba(67, 177, 74, 0.12);
    color: var(--brb-accent);
    border: 1px solid rgba(67, 177, 74, 0.25);
}

/* Section glow divider behind hero visual */
.hero-orb {
    background: radial-gradient(circle, rgba(67, 177, 74, 0.2), transparent 65%);
    filter: blur(30px);
    opacity: 0.6;
}

/* Step connector number */
.step-number {
    width: 3.25rem;
    height: 3.25rem;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brb-accent), var(--brb-accent-2));
    color: #fff;
    box-shadow: 0 0 18px var(--brb-glow);
}

/* Footer */
.site-footer {
    background-color: rgba(7, 8, 14, 0.6);
    border-color: rgba(255, 255, 255, 0.06) !important;
}

.footer-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #fff;
}

/* Focus visibility */
.btn:focus-visible,
.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(67, 177, 74, 0.35);
    border-color: var(--brb-accent);
}

/* Marquee for ticker-like accent */
.stat-pill {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Feature page image frame */
.feature-image-frame {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    min-height: 320px;
}

.feature-image {
    display: block;
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

.feature-image-placeholder {
    min-height: 320px;
    background: linear-gradient(135deg, rgba(67, 177, 74, 0.08), rgba(46, 155, 214, 0.08));
}

.feature-check {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.85rem;
    background: rgba(67, 177, 74, 0.15);
    color: var(--brb-accent);
    border: 1px solid rgba(67, 177, 74, 0.3);
}


.textlight {
    color: #bfbfbf;
}