/* JAFX design tokens */
:root {
  /* dark (primary) */
  --bg-0: #050607;
  --bg-1: #0A0C0E;
  --bg-2: #10141A;
  --bg-3: #161B23;
  --line: rgba(255,255,255,0.07);
  --line-strong: rgba(255,255,255,0.14);
  --text-0: #E8ECEF;
  --text-1: #A8B0B8;
  --text-2: #6B7280;
  --text-3: #3F4853;

  --accent: #00E599;          /* signal green (primary) */
  --accent-dim: #00B37A;
  --accent-glow: rgba(0,229,153,0.18);
  --cyan: #4DFFE1;            /* neural highlight */
  --violet: #B794F6;          /* AI secondary */
  --red: #FF4D4D;             /* sells / alerts (echoes logo) */
  --amber: #FFB547;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 14px;

  /* ============ 5-ZONE COLOR SYSTEM ============
     Each zone is a meaning, not a page. Buttons stay green everywhere —
     the atmosphere around them changes by section.
     Background washes are layered radial gradients with these accents
     at 18–22% opacity. Body text + chrome stay neutral.
  */
  --zone-execution: #00E599;     /* Trade · Order · Live data */
  --zone-execution-dim: #00B37A;
  --zone-execution-glow: rgba(0,229,153,0.22);
  --zone-execution-wash1: rgba(0,229,153,0.18);
  --zone-execution-wash2: rgba(0,229,153,0.04);

  --zone-intel: #5B8CFF;         /* AI · Analysis · Copilot */
  --zone-intel-dim: #3B6FE0;
  --zone-intel-glow: rgba(91,140,255,0.22);
  --zone-intel-wash1: rgba(91,140,255,0.20);
  --zone-intel-wash2: rgba(127,90,240,0.06);

  --zone-funding: #FFB547;       /* Pricing · Accounts · Deposits */
  --zone-funding-dim: #E08D1E;
  --zone-funding-glow: rgba(255,181,71,0.24);
  --zone-funding-wash1: rgba(255,181,71,0.18);
  --zone-funding-wash2: rgba(255,122,107,0.06);

  --zone-knowledge: #B794F6;     /* Education · Academy · Docs */
  --zone-knowledge-dim: #8B5CF6;
  --zone-knowledge-glow: rgba(183,148,246,0.22);
  --zone-knowledge-wash1: rgba(183,148,246,0.18);
  --zone-knowledge-wash2: rgba(91,140,255,0.06);

  --zone-momentum: #FF7A6B;      /* Premium · Community · Brand */
  --zone-momentum-dim: #E05545;
  --zone-momentum-glow: rgba(255,122,107,0.24);
  --zone-momentum-wash1: rgba(255,122,107,0.20);
  --zone-momentum-wash2: rgba(255,181,71,0.06);

  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

:root[data-theme="light"] {
  --bg-0: #F7F7F3;
  --bg-1: #FFFFFF;
  --bg-2: #F0F0EB;
  --bg-3: #E6E6E0;
  --line: rgba(10,11,13,0.08);
  --line-strong: rgba(10,11,13,0.16);
  --text-0: #0A0B0D;
  --text-1: #3A4049;
  --text-2: #565C66;   /* nudged darker for AA against #FFFFFF / #F7F7F3 */
  --text-3: #717885;
  --accent: #008055;   /* darker green for AA on white */
  --accent-dim: #005A3B;
  --accent-glow: rgba(0,128,85,0.20);
  --cyan: #0EB8A0;
  --red: #C42626;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-0); color: var(--text-0); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ============ ACCESSIBILITY ============ */
/* Skip link — visually hidden until keyboard-focused */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--bg-1);
  color: var(--text-0);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 0 0 4px var(--accent-glow);
  transform: translateY(-200%);
  transition: transform .15s ease;
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: none;
}

/* Visible focus ring for keyboard users on every interactive element */
:focus { outline: none; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

/* Inputs with their own border get a softer treatment */
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline-offset: 0;
}

/* Reduced motion — kill non-essential animation/transition */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .live-ticker-track { animation: none !important; }
  .live-dot { animation: none !important; opacity: 1 !important; }
}

/* type scale */
.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1, "zero" 1; }
.display { font-family: var(--font-display); letter-spacing: -0.03em; font-weight: 500; line-height: 0.98; }
.eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-2); }

/* grid background */
.grid-bg {
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ============ ZONE WASH UTILITY ============
   Apply <section class="zone zone-intel"> to paint a section with a zone's
   atmosphere. The wash is a layered radial gradient sitting BEHIND content.
   Variables --z1, --z2, --zg, --za drive a single set of layered gradients,
   so per-zone classes only need to reassign the variables.
*/
.zone {
  position: relative;
  isolation: isolate;
  --z1: transparent;
  --z2: transparent;
  --zg: transparent;
  --za: var(--accent);
}
.zone::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 480px at var(--z-pos1, 78% 18%), var(--z1), transparent 65%),
    radial-gradient(700px 380px at var(--z-pos2, 12% 82%), var(--z2), transparent 60%);
}
.zone::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
  right: -220px; top: -160px; width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--zg), transparent 70%);
  filter: blur(20px);
  opacity: 0.9;
}
.zone-flip::before { --z-pos1: 22% 18%; --z-pos2: 88% 82%; }
.zone-flip::after { right: auto; left: -220px; }

.zone-execution {
  --z1: var(--zone-execution-wash1);
  --z2: var(--zone-execution-wash2);
  --zg: var(--zone-execution-glow);
  --za: var(--zone-execution);
}
.zone-intel {
  --z1: var(--zone-intel-wash1);
  --z2: var(--zone-intel-wash2);
  --zg: var(--zone-intel-glow);
  --za: var(--zone-intel);
}
.zone-funding {
  --z1: var(--zone-funding-wash1);
  --z2: var(--zone-funding-wash2);
  --zg: var(--zone-funding-glow);
  --za: var(--zone-funding);
}
.zone-knowledge {
  --z1: var(--zone-knowledge-wash1);
  --z2: var(--zone-knowledge-wash2);
  --zg: var(--zone-knowledge-glow);
  --za: var(--zone-knowledge);
}
.zone-momentum {
  --z1: var(--zone-momentum-wash1);
  --z2: var(--zone-momentum-wash2);
  --zg: var(--zone-momentum-glow);
  --za: var(--zone-momentum);
}

/* zone-aware bits */
.zone-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--za);
}
.zone-eyebrow::before {
  content: ""; display: inline-block;
  width: 28px; height: 1px; background: var(--za);
}
.btn-zone {
  background: transparent;
  color: var(--za);
  border: 1px solid var(--za);
}
.btn-zone:hover {
  background: color-mix(in oklab, var(--za) 12%, transparent);
}
.zone-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  background: color-mix(in oklab, var(--za) 14%, transparent);
  color: var(--za);
  font-family: var(--font-mono); font-size: 11px;
}
.zone-chip::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--za);
}
/* faint divider when zone meets zone */
.zone + .zone { border-top: 1px solid var(--line); }

/* animations */
@keyframes pulse-dot { 0%,100%{opacity:1}50%{opacity:.35} }
@keyframes scan { 0%{transform:translateY(-100%)}100%{transform:translateY(2000%)} }
@keyframes shimmer { 0%{background-position:-200% 0}100%{background-position:200% 0} }
@keyframes ticker-scroll { 0%{transform:translateX(0)}100%{transform:translateX(-50%)} }
@keyframes fadeIn { from{opacity:0;transform:translateY(4px)} to{opacity:1;transform:translateY(0)} }

.live-dot { display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--accent); box-shadow:0 0 10px var(--accent); animation:pulse-dot 1.6s ease-in-out infinite; }
.red-dot { background: var(--red); box-shadow: 0 0 10px var(--red); }

/* utility */
.wrap { max-width: 1360px; margin: 0 auto; padding: 0 32px; }
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding: 12px 20px; border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer; border: 1px solid transparent; transition: all .15s ease;
}
.btn-primary { background: var(--accent); color: #000; border-color: var(--accent); }
.btn-primary:hover { box-shadow: 0 0 0 4px var(--accent-glow); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text-0); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============ MOBILE RESPONSIVE ============ */
.nav-cta-label-short { display: none; }
.nav-drawer { display: none; }
.nav-burger { display: none; }

/* Terminal preview: scale the whole fixed-width layout on narrow screens */
.terminal-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.terminal-wrap > div { min-width: 0; }

@media (max-width: 1100px) {
  .wrap { padding: 0 24px; }
}

/* Tablet */
@media (max-width: 900px) {
  .wrap { padding: 0 20px; }
  .btn { padding: 11px 16px; font-size: 11px; }
  h1.display { font-size: clamp(44px, 9vw, 72px) !important; }
  h2.display { font-size: clamp(32px, 6vw, 52px) !important; }

  /* Nav — hide center links, show burger */
  .nav-links { display: none !important; }
  .nav-burger { display: grid !important; }
  .nav-drawer { display: block !important; }
  .nav-login { display: none !important; }
  .nav-cta-label { display: none !important; }
  .nav-cta-label-short { display: inline !important; }

  /* Hero dual-column / split → stack */
  .hero-grid { grid-template-columns: 1fr !important; gap: 24px !important; }

  /* Any 4-col grid → 2-col */
  .grid-4 { grid-template-columns: 1fr 1fr !important; }
  /* Any 3-col grid → 2-col or 1-col */
  .grid-3 { grid-template-columns: 1fr 1fr !important; }
  /* Any 2-col → 1 */
  .grid-2 { grid-template-columns: 1fr !important; }

  /* Section padding */
  section { padding-left: 0 !important; padding-right: 0 !important; }
}

/* Mobile */
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  h1.display { font-size: clamp(36px, 10vw, 56px) !important; line-height: 1.02 !important; }
  h2.display { font-size: clamp(28px, 8vw, 44px) !important; }
  .btn { padding: 10px 14px; font-size: 10.5px; letter-spacing: 0.06em; }

  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr !important; }

  /* CTA row — stack buttons full width */
  .cta-row { flex-direction: column !important; width: 100%; }
  .cta-row > .btn, .cta-row > a { width: 100%; justify-content: center; }

  /* Footer grid */
  .footer-grid { grid-template-columns: 1fr 1fr !important; gap: 24px !important; }
}

/* Allow horizontal scroll for the fixed-width terminal preview on mobile */
@media (max-width: 980px) {
  .terminal-preview-shell {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .terminal-preview-shell > .terminal-preview-inner {
    min-width: 980px;
  }
}

/* Hero floater card — hide on narrow */
@media (max-width: 1100px) {
  .hero-floater { display: none !important; }
}

/* Mini terminal SVG should scale down with its container */
.mini-term svg { width: 100% !important; height: auto !important; }

/* Sections — ensure grids inside stack properly */
@media (max-width: 900px) {
  /* Trust strip and testimonials use inline grids — target by attribute fallback */
  .section-head { gap: 20px !important; margin-bottom: 32px !important; }
}