/* ============================================
   STARDUST LABS - SHARED STYLES
   ============================================ */

/* --- CSS Variables --- */
:root {
    /* Backgrounds */
    --bg-deep: #030308;
    --bg-surface: #0a0a12;

    /* Accent Colors */
    --amber: #F5A623;
    --amber-bright: #FFD166;
    --amber-glow: rgba(245, 166, 35, 0.4);
    --cyan: #00D4FF;
    --cyan-glow: rgba(0, 212, 255, 0.3);

    /* Neutrals */
    --white: #FFFFFF;
    --white-soft: rgba(255, 255, 255, 0.85);
    --white-muted: rgba(255, 255, 255, 0.5);
    --white-subtle: rgba(255, 255, 255, 0.25);
    --white-faint: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    min-height: 100%;
    background: var(--bg-deep);
    color: var(--white);
    font-family: var(--font-body);
    position: relative;
}

/* --- Background Effects --- */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.orb-amber {
    background: radial-gradient(circle, var(--amber) 0%, transparent 70%);
}

.orb-cyan {
    background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);
}

.orb-amber-bright {
    background: radial-gradient(circle, var(--amber-bright) 0%, transparent 70%);
}

/* Orb animations */
.orb-float {
    animation: float 20s ease-in-out infinite;
}

.orb-float-reverse {
    animation: float 20s ease-in-out infinite reverse;
}

.orb-pulse {
    animation: pulse-orb 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

@keyframes pulse-orb {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.6; }
}

/* Grid overlay */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Vignette */
.vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        transparent 40%,
        rgba(3, 3, 8, 0.7) 100%
    );
}

/* Noise texture */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Starfield */
.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.star {
    position: absolute;
    background: var(--white);
    border-radius: 50%;
    animation: twinkle var(--duration) ease-in-out infinite;
    animation-delay: var(--delay);
    opacity: 0;
    box-shadow: 0 0 6px 2px rgba(255, 255, 255, 0.3);
}

.star.gold {
    background: var(--amber);
    box-shadow: 0 0 8px 3px var(--amber-glow);
}

@keyframes twinkle {
    0%, 100% { opacity: 0; transform: scale(0.3); }
    50% { opacity: var(--max-opacity); transform: scale(1.2); }
    75% { opacity: calc(var(--max-opacity) * 0.6); transform: scale(0.8); }
}

/* --- Common Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes pulse-glow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    50% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.8; }
}

/* --- Typography --- */
.heading-display {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--white) 0%, var(--white-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-muted {
    color: var(--white-muted);
}

.text-subtle {
    color: var(--white-subtle);
}

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

/* --- Common Components --- */

/* Status badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.4rem;
    background: rgba(245, 166, 35, 0.08);
    border: 1px solid rgba(245, 166, 35, 0.3);
    border-radius: 100px;
    transition: all 0.3s ease;
}

.status-badge:hover {
    background: rgba(245, 166, 35, 0.12);
    border-color: rgba(245, 166, 35, 0.5);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--amber);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--amber-glow);
}

.status-text {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--amber);
}

/* CTA Button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.75rem;
    background: var(--white);
    color: var(--bg-deep);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

/* Links */
.link-subtle {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--white-subtle);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.link-subtle::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--amber);
    transition: width 0.3s ease;
}

.link-subtle:hover {
    color: var(--amber);
}

.link-subtle:hover::after {
    width: 100%;
}

/* Back link */
.back-link {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--white-subtle);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--amber);
}

.back-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.back-link:hover svg {
    transform: translateX(-3px);
}

/* Contact card */
.card {
    width: 100%;
    background: var(--white-faint);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.card-glow-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--amber), transparent);
    opacity: 0.5;
}

/* Footer */
.footer {
    text-align: center;
}

.footer-text {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--white-subtle);
}

.footer-text a {
    color: var(--white-subtle);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-text a:hover {
    color: var(--amber);
}

/* --- Layout Utilities --- */
.content-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.text-center {
    text-align: center;
}

.z-content {
    position: relative;
    z-index: 10;
}

/* --- Animation Utilities --- */
.animate-fade-in-up {
    animation: fadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-fade-in-scale {
    animation: fadeInScale 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }