:root {
    --bg-color: #050505;
    --accent-mono: #ffffff;
    --accent-muted: #a1a1aa;
    --accent-glow: rgba(255, 255, 255, 0.12);
}

body {
    background-color: var(--bg-color);
    color: #ffffff;
    font-family: 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
}

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

/* Mesh Background Gradient - Monochrome Silver & White Glow */
.mesh-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 15% 15%, rgba(255, 255, 255, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 85% 45%, rgba(255, 255, 255, 0.04) 0%, transparent 45%),
        radial-gradient(circle at 35% 85%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    filter: blur(100px);
}

/* Noise overlay */
.noise {
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.04;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Glass Card - Monochrome */
.glass-card {
    background: rgba(12, 12, 12, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(18, 18, 18, 0.75);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 255, 255, 0.08);
}

/* Glow Button Sheen */
.glow-button {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.glow-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.25),
        transparent
    );
    transition: 0.5s;
}

.glow-button:hover::before {
    left: 100%;
}

/* Shimmer animation - Monochrome Silver/White */
.shimmer {
    mask-image: linear-gradient(-75deg, rgba(0,0,0,0.4) 30%, #000 50%, rgba(0,0,0,0.4) 70%);
    mask-size: 200%;
    animation: shine 3.5s infinite;
}

@keyframes shine {
    from { mask-position: 150%; }
    to { mask-position: -50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.floating { 
    animation: float 6s ease-in-out infinite; 
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Timeline - Monochrome */
.timeline-line {
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.4) 10%, rgba(255, 255, 255, 0.4) 90%, transparent);
}

.timeline-dot {
    box-shadow: 0 0 0 4px rgba(5, 5, 5, 1), 0 0 20px rgba(255, 255, 255, 0.8);
}

/* Tag pills - Monochrome */
.tag-pill {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
    transition: all 0.2s ease;
}

.tag-pill:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.tag-pill.primary {
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.tag-pill.primary:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.2);
}

/* Selection */
::selection {
    background: #ffffff;
    color: #000000;
}

html {
    scroll-behavior: smooth;
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.35em;
}

/* Toast notification */
#toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
}

#toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050505;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}