:root {
    --bg: #05070a;
    --gold-primary: #D4AF37;
    /* Neo Luxury: Gold Leaf Gradient */
    --gold-leaf: linear-gradient(135deg, #CF995F 0%, #F1D18A 50%, #D4AF37 100%);
    --indigo: #6366f1;
    --text: #f8f9fa;
    --muted: rgba(255, 255, 255, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* Custom cursor: hide default on non-interactive elements, keep native on form controls */
body { cursor: none; }
a, button, [role="button"], .interactive { cursor: none; }
input, textarea, select, label { cursor: text; }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
    line-height: 1.9;
}

/* Pulse Background - The 'Breath' of FuFirE */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.03) 0%, transparent 70%);
    z-index: -1;
    animation: pulse-breath 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse-breath {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.mono { font-family: 'SF Mono', 'Fira Code', monospace; }

/* Gold Leaf Headlines */
.gold-leaf-text {
    background: var(--gold-leaf);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

h1, h2, h3, .headline {
    font-weight: 200;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

/* Section title responsive letter-spacing */
.section-title {
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    letter-spacing: 0.15em;
}
@media (min-width: 768px) {
    .section-title { letter-spacing: 0.3em; }
}
@media (min-width: 1024px) {
    .section-title { letter-spacing: 0.4em; }
}

.data-number {
    font-weight: 700;
    background: var(--gold-leaf);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: clamp(2.5rem, 5vw, 5rem);
    line-height: 1;
}

.tech-label {
    font-size: 10px;
    letter-spacing: 0.35em;
    text-transform: uppercase;
}

/* Texture Layers */
.film-grain {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
    z-index: 9996;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Vignette follows NebulaLens */
.vignette {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), transparent 20%, rgba(5,7,10,0.4) 100%);
    z-index: 9997;
    pointer-events: none;
}

.nebula-lens {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
}

.custom-cursor {
    position: fixed;
    width: 4px; height: 4px;
    background: white;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
}

.cursor-ring {
    position: fixed;
    width: 40px; height: 40px;
    border: 1px solid rgba(212, 175, 55, 0);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%) scale(0.5);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s;
}

.interactive:hover ~ .cursor-ring, .cursor-ring.active {
    transform: translate(-50%, -50%) scale(1.2);
    border-color: rgba(212, 175, 55, 1);
}

/* Enhanced Glass - Obsidian Depth */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(212, 175, 55, 0.15);
    position: relative;
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold-leaf);
    opacity: 0.05;
    pointer-events: none;
    z-index: 0;
}

.btn-primary {
    border: 1px solid var(--gold-primary);
    color: var(--gold-primary);
    padding: 14px 44px;
    letter-spacing: 0.2em;
    font-size: 11px;
    text-transform: uppercase;
    background: transparent;
    transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
    background: var(--gold-primary);
    color: var(--bg);
}

/* Coherence Indicator */
#coherence-indicator {
    position: fixed;
    top: 20px; right: 20px;
    z-index: 10000;
    color: var(--gold-primary);
    opacity: 0.6;
    font-size: 10px;
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    bottom: 20px; left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    gap: 12px;
    padding: 8px 20px;
    background: rgba(5, 7, 10, 0.8);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 100px;
}

.nav-dot {
    width: 8px; height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s;
    /* Enlarge touch target to min 44x44px */
    position: relative;
}
.nav-dot::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
}
.nav-dot.active {
    background: var(--gold-primary);
    box-shadow: 0 0 10px var(--gold-primary);
    transform: scale(1.4);
}

@media (max-width: 768px) {
    .mobile-reverse { flex-direction: column-reverse; }
    .mobile-hide { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    canvas, .film-grain, .vignette { display: none !important; }
}

.hero-kicker {
    color: rgba(255, 255, 255, 0.4);
}

/* Hero Zodiac Ring — responsive sizing */
#zodiac-ring {
    height: 100%;
    width: auto;
    aspect-ratio: 1 / 1;
    max-width: 100%;
    max-height: 600px;
}

/* Hero subtitle responsive line break */
.hero-sub br {
    display: none;
}
@media (min-width: 768px) {
    .hero-sub br { display: inline; }
}

/* Input placeholder readability */
input::placeholder {
    color: rgba(212, 175, 55, 0.35);
    opacity: 1;
}

/* Hero title responsive letter-spacing */
.hero-title-tracking {
    letter-spacing: 0.15em;
}
@media (min-width: 768px) {
    .hero-title-tracking { letter-spacing: 0.35em; }
}
@media (min-width: 1024px) {
    .hero-title-tracking { letter-spacing: 0.5em; }
}

/* Ensure glass-card children are clickable */
.glass-card > * {
    position: relative;
    z-index: 1;
}