/* ============================================================
   PUPRIME — Trading Design System (Dark-first, Swiss-modular)
   styles.css: reset, variables, typography, layout, header, footer
   ============================================================ */

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body { min-height: 100%; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--accent-system); outline-offset: 2px; }

/* ---------- TOKENS ---------- */
:root {
  --bg-base: #0B0E11;
  --bg-panel: #181A20;
  --bg-panel-2: #1F2229;
  --bg-elevate: #23262F;
  --border: #2A2E37;
  --border-soft: #21242C;

  --text: #EAECEF;
  --text-muted: #9CA3AF;
  --text-light: #141820;
  --text-on-accent: #06150F;

  --bull: #00C582;
  --bear: #FF4A5A;
  --accent-system: #3B82F6;

  --cta: #F5A524;
  --cta-hover: #FFB845;
  --cta-ink: #1A1205;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --maxw: 1200px;
  --header-h: 64px;

  --shadow: 0 8px 24px rgba(0,0,0,.45);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.55);

  --font-display: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
}

/* ---------- BASE ---------- */
body {
  background: var(--bg-base);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; color: var(--text); letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { color: var(--text-muted); }
strong { color: var(--text); }
small { font-size: .82rem; }
code { font-family: var(--font-mono); background: var(--bg-elevate); padding: 2px 6px; border-radius: 4px; color: var(--bull); }
.numeric, .num, td.num { font-variant-numeric: tabular-nums; font-family: var(--font-mono); }

/* ---------- LAYOUT ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space-4); }
.section { padding-block: var(--space-7); }
.section-tight { padding-block: var(--space-6); }
.section-head { max-width: 760px; margin-bottom: var(--space-6); }
.section-head .eyebrow { display: inline-block; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-system); font-weight: 600; margin-bottom: var(--space-2); }
.section-head h2 { margin-bottom: var(--space-3); }
.section-head p { font-size: 1.05rem; }
.grid { display: grid; gap: var(--space-5); }
.eyebrow { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-system); font-weight: 600; }

/* ---------- BUTTONS ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: 12px 22px; border-radius: var(--radius); font-weight: 600; font-size: .95rem; transition: transform .15s ease, background-color .15s ease, border-color .15s ease; border: 1px solid transparent; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--cta); color: var(--cta-ink); }
.btn-primary:hover { background: var(--cta-hover); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent-system); background: var(--bg-panel); }
.btn-ghost { background: var(--bg-elevate); color: var(--text); }
.btn-ghost:hover { background: var(--border); }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- HEADER ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(11,14,17,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; color: var(--text); }
.brand .brand-mark { width: 28px; height: 28px; border-radius: 7px; background: linear-gradient(135deg, var(--bull), var(--accent-system)); display: inline-block; }

#hamburger-btn { display: inline-flex; flex-direction: column; gap: 5px; padding: 10px; z-index: 110; }
#hamburger-btn span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }
#main-nav.is-open ~ #hamburger-btn span:nth-child(1),
#hamburger-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }

/* NAV mobile-first */
#main-nav { position: fixed; inset: var(--header-h) 0 0 auto; width: min(320px, 85vw); background: var(--bg-panel); border-left: 1px solid var(--border); padding: var(--space-4); overflow-y: auto; transform: translateX(100%); transition: transform .28s ease; }
#main-nav.is-open { transform: translateX(0); }
.nav-item.has-dropdown { border-bottom: 1px solid var(--border-soft); }
.nav-link { display: block; padding: 14px 8px; font-weight: 600; color: var(--text); }
.dropdown { padding: 0 8px var(--space-3); display: flex; flex-direction: column; gap: 2px; }
.dropdown li a { display: block; padding: 9px 12px; color: var(--text-muted); border-radius: var(--radius-sm); font-size: .92rem; }
.dropdown li a:hover { background: var(--bg-elevate); color: var(--text); }
.nav-cta { margin-top: var(--space-4); }
.nav-cta .btn { width: 100%; }

/* NAV desktop */
@media (min-width: 780px) {
  #hamburger-btn { display: none; }
  #main-nav { position: static; width: auto; transform: none; background: none; border: none; padding: 0; overflow: visible;
    display: flex; align-items: center; justify-content: flex-end; gap: var(--space-1); }
  .nav-item.has-dropdown { position: relative; border: none; }
  .nav-link { padding: 10px 12px; font-size: .92rem; font-weight: 500; color: var(--text-muted); border-radius: var(--radius-sm); }
  .nav-link:hover { color: var(--text); }
  .dropdown { position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px; background: var(--bg-panel-2); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: var(--space-2); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s ease, transform .18s ease, visibility .18s; z-index: 50; }
  .nav-item.has-dropdown:hover .dropdown,
  .nav-item.has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-cta { margin: 0 0 0 var(--space-3); }
  .nav-cta .btn { width: auto; }
}

/* ---------- FOOTER ---------- */
.site-footer { background: #07090B; border-top: 1px solid var(--border); padding-block: var(--space-7) var(--space-5); color: #f4f6f9; }
.site-footer * { color: inherit; }
.footer-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; margin-bottom: var(--space-6); }
.footer-col h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted); margin-bottom: var(--space-3); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: var(--text-muted); font-size: .9rem; }
.footer-col a:hover { color: var(--text); }
.footer-brand p { color: var(--text-muted); font-size: .9rem; margin-top: var(--space-3); max-width: 320px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }
.footer-risk { font-size: .78rem; color: var(--text-muted); line-height: 1.7; }
.footer-copy { font-size: .82rem; color: var(--text-muted); }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; } }
@media (min-width: 780px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; } }

/* ---------- SCROLL REVEAL (visible without JS) ---------- */
.js-ready .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.js-ready .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .js-ready .reveal { opacity: 1 !important; transform: none !important; }
}


/* agent-nav-patch v1 — #main-nav > .nav-item direct children (no .nav-list) */
.header-logo{font-family:var(--font-display);font-weight:800;font-size:1.35rem;color:var(--brand);text-decoration:none;letter-spacing:-.02em;flex-shrink:0}
.header-logo:hover{text-decoration:none;opacity:.9}
#main-nav .nav-link{white-space:nowrap}
.nav-item.active>.nav-link{color:var(--brand)}
.btn-primary{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-primary:hover{background:var(--brand);color:var(--brand-ink)}
.btn-sm{padding:.55rem 1rem;font-size:.85rem}
.nav-cta{flex-shrink:0}
@media(min-width:780px){
  #main-nav{display:flex!important;flex:1;align-items:center;justify-content:flex-end;gap:.15rem;min-width:0;margin-left:var(--space-sm)}
  #main-nav .nav-link{font-size:.84rem;padding:.5rem .6rem}
  #main-nav .nav-cta{margin-left:.35rem}
}
@media(min-width:900px){
  #main-nav .nav-link{font-size:.9rem;padding:.55rem .75rem}
}
@media(max-width:779px){
  #main-nav.is-open{display:flex!important;flex-direction:column;align-items:stretch;gap:.2rem}
  #main-nav.is-open .nav-cta{margin-top:var(--space-md);align-self:flex-start}
}