/* ============================================================
 * OpenFund — Production Design System
 * Dark-first. Robinhood polish + Binance density + pump.fun energy.
 * ============================================================ */

:root {
    /* Core palette (dark-first) */
    --bg-0: #05060a;
    --bg-1: #0b0d13;
    --bg-2: #12151d;
    --bg-3: #1a1e28;
    --border: rgba(255, 255, 255, 0.06);
    --border-hi: rgba(255, 255, 255, 0.12);

    --text-0: #ffffff;
    --text-1: #d5d7e0;
    --text-2: #8b8f9e;
    --text-3: #5a5e6b;

    /* Brand + signal colors */
    --brand: #7c5cff;
    --brand-2: #22d3ee;
    --brand-3: #10b981;
    --accent-pink: #f472b6;
    --accent-yellow: #fbbf24;

    /* Binance-style CTA yellow */
    --binance: #F0B90B;
    --binance-hi: #ffcc33;
    --binance-glow: rgba(240, 185, 11, 0.5);

    /* pump.fun neon */
    --pump-green: #00ff88;
    --pump-purple: #b96eff;
    --pump-pink: #ff4d8f;

    --up: #22c55e;
    --up-glow: rgba(34, 197, 94, 0.35);
    --down: #ef4444;
    --down-glow: rgba(239, 68, 68, 0.35);

    /* Gradients */
    --grad-brand: linear-gradient(135deg, #7c5cff 0%, #22d3ee 100%);
    --grad-fire: linear-gradient(135deg, #f472b6 0%, #fbbf24 50%, #22d3ee 100%);
    --grad-money: linear-gradient(135deg, #10b981 0%, #22d3ee 100%);
    --grad-glass: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0));

    /* Motion */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Shadows */
    --shadow-glow: 0 0 40px rgba(124, 92, 255, 0.35);
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-hi: 0 20px 60px rgba(0, 0, 0, 0.55);
}

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

html, body {
    background: var(--bg-0);
    color: var(--text-1);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; color: inherit; }

/* ─── Layout primitives ───────────────────────────────── */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ─── Buttons ─────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.15rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s var(--ease-out);
    white-space: nowrap;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--grad-brand);
    color: #fff;
    box-shadow: 0 4px 16px rgba(124, 92, 255, 0.4);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(124, 92, 255, 0.55);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: rgba(255,255,255,0.06);
    color: var(--text-0);
    border-color: var(--border-hi);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

.btn-ghost { color: var(--text-1); }
.btn-ghost:hover { color: var(--text-0); }

.btn-lg { padding: 0.9rem 1.5rem; font-size: 1rem; border-radius: 12px; }
.btn-sm { padding: 0.45rem 0.85rem; font-size: 0.8rem; }

.btn-fire {
    background: var(--grad-fire);
    color: #06070c;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.4);
    font-weight: 700;
}
.btn-fire:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(251, 191, 36, 0.55); }

/* Binance-style yellow CTA */
.btn-binance {
    background: var(--binance);
    color: #06070c;
    font-weight: 700;
    box-shadow: 0 4px 20px var(--binance-glow);
}
.btn-binance:hover {
    background: var(--binance-hi);
    transform: translateY(-1px);
    box-shadow: 0 8px 28px var(--binance-glow);
}

/* pump.fun neon-green CTA */
.btn-pump {
    background: var(--pump-green);
    color: #06070c;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    box-shadow: 0 0 24px rgba(0, 255, 136, 0.5), 0 4px 20px rgba(0, 255, 136, 0.35);
}
.btn-pump:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.7), 0 8px 30px rgba(0, 255, 136, 0.5);
}

/* ─── Cards ───────────────────────────────────────────── */

.card {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.25rem;
    transition: border-color 0.2s;
}
.card:hover { border-color: var(--border-hi); }

.card-glass {
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.25rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.card-glow {
    background: var(--bg-1);
    border: 1px solid transparent;
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}
.card-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px;
    border-radius: inherit;
    background: var(--grad-brand);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
}

/* ─── Nav bar ─────────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    padding: 1rem 0;
    background: rgba(5, 6, 10, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: var(--text-0);
}
.brand-logo {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--grad-brand);
    display: grid; place-items: center;
    color: #fff;
    font-weight: 900;
    box-shadow: var(--shadow-glow);
    animation: pulse-logo 3s ease-in-out infinite;
}
.brand-name {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-2);
}
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--text-0); }
.nav-cta { display: flex; gap: 0.75rem; align-items: center; }

@media (max-width: 720px) {
    .nav-links { display: none; }
}

/* ─── Text utilities ──────────────────────────────────── */

.text-gradient {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-gradient-fire {
    background: var(--grad-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-gradient-money {
    background: var(--grad-money);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.up { color: var(--up); }
.down { color: var(--down); }

.text-muted { color: var(--text-2); }
.text-dim { color: var(--text-3); }

/* ─── Chips + badges ──────────────────────────────────── */

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.7rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-1);
}

.chip-live {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--up);
}
.chip-live::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--up);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--up-glow);
    animation: pulse 1.5s ease-in-out infinite;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.badge-long { background: rgba(34, 197, 94, 0.15); color: var(--up); }
.badge-short { background: rgba(239, 68, 68, 0.15); color: var(--down); }

/* ─── Animations ──────────────────────────────────────── */

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

@keyframes pulse-logo {
    0%, 100% { box-shadow: 0 0 20px rgba(124, 92, 255, 0.4); }
    50% { box-shadow: 0 0 40px rgba(124, 92, 255, 0.7); }
}

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

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes marquee-x {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes spin-slow {
    to { transform: rotate(360deg); }
}

.reveal { opacity: 0; }
.reveal.in { animation: fade-up 0.8s var(--ease-out) forwards; }
.reveal.d1 { animation-delay: 0.08s; }
.reveal.d2 { animation-delay: 0.16s; }
.reveal.d3 { animation-delay: 0.24s; }
.reveal.d4 { animation-delay: 0.32s; }
.reveal.d5 { animation-delay: 0.4s; }

.float { animation: float-y 4s ease-in-out infinite; }

/* ─── Aurora background (used on landing/auth) ────────── */

.aurora {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}
.aurora::before, .aurora::after {
    content: '';
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    animation: aurora-drift 20s ease-in-out infinite;
}
.aurora::before {
    background: radial-gradient(circle, #7c5cff, transparent 70%);
    top: -20%; left: -10%;
}
.aurora::after {
    background: radial-gradient(circle, #22d3ee, transparent 70%);
    bottom: -30%; right: -10%;
    animation-delay: -10s;
}
@keyframes aurora-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(60px, -40px) scale(1.15); }
}

.grid-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(124, 92, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 92, 255, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
}

/* ─── Form controls ──────────────────────────────────── */

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.field-label {
    font-size: 0.8rem;
    color: var(--text-2);
    font-weight: 500;
}
.field-input, .field-select {
    background: var(--bg-2);
    border: 1px solid var(--border-hi);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--text-0);
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}
.field-input:focus, .field-select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.2);
}
.field-help {
    font-size: 0.75rem;
    color: var(--text-3);
}
.field-error {
    font-size: 0.8rem;
    color: var(--down);
}

/* ─── Scrollbar (opinionated dark) ────────────────────── */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.08);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }