:root {
    --bg-deep: #051C1A;
    --bio-glow: #00FF95;
    --amber-gold: #FFBF00;
    --bone-white: #F5F5F0;
    --text-muted: rgba(245, 245, 240, 0.7);
}

body {
    background-color: var(--bg-deep);
    color: var(--bone-white);
    font-family: 'Playfair Display', serif;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6, .nav-link {
    font-family: 'Cinzel', serif;
    letter-spacing: 2px;
}

/* Bio-Pulse Interaction */
.bio-pulse {
    transition: all 0.4s ease;
    box-shadow: 0 0 0 0 rgba(0, 255, 149, 0);
}

.bio-pulse:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px 5px rgba(0, 255, 149, 0.4);
    filter: brightness(1.2);
}

@keyframes pulse-animation {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 255, 149, 0.4); }
    50% { transform: scale(1.02); box-shadow: 0 0 20px 10px rgba(0, 255, 149, 0.2); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 255, 149, 0); }
}

.breathing {
    animation: pulse-animation 3s infinite ease-in-out;
}

/* Navigation */
.navbar {
    background: rgba(5, 28, 26, 0.9) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 149, 0.2);
    padding: 1.5rem 0;
}

.navbar-brand {
    color: var(--bio-glow) !important;
    font-weight: bold;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--bone-white) !important;
    margin: 0 15px;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.nav-link:hover, .nav-link.active {
    color: var(--bio-glow) !important;
}

/* Sections */
section {
    padding: 80px 0;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.bio-membrane {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 149, 0.1);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(5px);
}

.text-glow {
    text-shadow: 0 0 10px rgba(0, 255, 149, 0.8);
}

.text-gold {
    color: var(--amber-gold);
}

.btn-bio {
    background: transparent;
    border: 1px solid var(--bio-glow);
    color: var(--bio-glow);
    padding: 12px 30px;
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
}

.btn-bio:hover {
    background: var(--bio-glow);
    color: var(--bg-deep);
    box-shadow: 0 0 20px var(--bio-glow);
}

/* Micro-fluid background effect */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
}

/* Card effects for Menagerie */
.bio-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 149, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    height: 100%;
}

.bio-card:hover {
    border-color: var(--bio-glow);
    background: rgba(0, 255, 149, 0.05);
}

.cell-split {
    animation: cell-split-anim 0.6s ease-out;
}

@keyframes cell-split-anim {
    0% { transform: scale(0.5); opacity: 0; filter: blur(10px); }
    50% { transform: scale(1.1); opacity: 0.8; filter: blur(2px); }
    100% { transform: scale(1); opacity: 1; filter: blur(0); }
}

footer {
    border-top: 1px solid rgba(0, 255, 149, 0.1);
    padding: 50px 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}