/* Variables */
:root {
    --bg: #0b1020;
    --panel: #121833;
    --muted: #96a0c6;
    --text: #e8edff;
    --primary: #5b8cff;
    --primary-600: #3a6fff;
    --accent: #22d3ee;
    --success: #22c55e;
    --danger: #ef4444;
    --shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: linear-gradient(180deg, #0b1020 0%, #0b1228 100%);
    color: var(--text);
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Layout helpers */
.container { width: min(1100px, 92%); margin: 0 auto; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(11,16,32,0.7); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { font-weight: 700; letter-spacing: 0.3px; font-size: 20px; color: var(--text); }
.nav-toggle { background: none; border: 1px solid rgba(255,255,255,0.18); color: var(--text); padding: 6px 10px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; }
.nav-menu { list-style: none; margin: 0; padding: 0; display: none; position: absolute; right: 4%; top: 60px; background: var(--panel); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 10px; box-shadow: var(--shadow); }
.nav-menu li { margin: 6px 4px; }
.nav-cta .button { padding: 8px 12px; }
@media (min-width: 768px) {
    .nav-toggle { display: none; }
    .nav-menu { display: flex; position: static; background: transparent; border: 0; box-shadow: none; padding: 0; gap: 8px; }
}
.nav-menu a { color: var(--muted); font-weight: 500; }
.nav-menu a:hover { color: var(--text); }

/* Buttons */
.button { display: inline-block; border-radius: 10px; padding: 10px 16px; border: 1px solid rgba(255,255,255,0.14); color: var(--text); }
.button.primary { background: linear-gradient(135deg, var(--primary), var(--accent)); border: none; color: #071022; font-weight: 700; }
.button.primary:hover { filter: brightness(1.05); }
.button.ghost { background: transparent; }

/* Hero */
.hero { padding: 44px 0 24px; }
.hero-inner { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; }
@media (min-width: 900px) { .hero-inner { grid-template-columns: 1.1fr 0.9fr; } }
.hero-copy h1 { font-size: clamp(28px, 5vw, 44px); margin: 0 0 8px; line-height: 1.1; }
.hero-copy p { margin: 0 0 18px; color: var(--muted); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-art { display: grid; place-items: center; }
.card { width: 100%; max-width: 380px; background: radial-gradient(120% 120% at 0% 0%, #1b244a 0%, #101634 60%); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.card-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 10px; background: rgba(0,0,0,0.18); border-radius: 12px; margin: 10px 0; }
.card-row span { color: var(--muted); }

/* Sections */
.section { padding: 36px 0; }
.section.alt { background: linear-gradient(180deg, #0b1127 0%, #0c1435 100%); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.feature { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; padding: 16px; }
.feature .icon { font-size: 22px; margin-bottom: 6px; }
.feature h3 { margin: 6px 0; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); }

/* Footer */
.site-footer { padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.footer-nav a { color: var(--muted); margin-left: 12px; }
.footer-nav a:hover { color: var(--text); }

/* Forms */
.form { display: grid; gap: 12px; }
.input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.14); background: rgba(0,0,0,0.2); color: var(--text); }
.label { color: var(--muted); font-size: 14px; }
.helper { color: var(--muted); font-size: 12px; }

/* Auth layout */
.auth { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 24px 0; }
.auth-card { width: min(480px, 92%); background: var(--panel); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); }
.auth-card h1 { margin: 0 0 8px; }
.auth-card p { margin: 0 0 16px; color: var(--muted); }

/* Dashboard */
.dashboard { padding: 24px 0; }
.dash-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 960px) { .dash-grid { grid-template-columns: 1.2fr 0.8fr; } }
.panel { background: var(--panel); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 16px; }
.panel h2 { margin: 0 0 10px; font-size: 18px; }
.account { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 12px; border-radius: 12px; background: rgba(0,0,0,0.18); }
.account + .account { margin-top: 10px; }
.account .name { color: var(--muted); }
.account .balance { font-weight: 700; }
.tx { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; padding: 10px 8px; border-radius: 10px; }
.tx + .tx { margin-top: 6px; }
.tx .amount.negative { color: var(--danger); }
.tx .amount.positive { color: var(--success); }

/* Utilities */
.muted { color: var(--muted); }
.spacer { height: 10px; }