/* ===================================================================
   FXCB TRADERS — Shared Design System
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* Color */
  --bg:            #0b0d10;
  --bg-raised:     #0f1216;
  --surface:       #14171c;
  --surface-2:     #1a1e24;
  --border:        #262b32;
  --border-soft:    #1d2127;

  --gold:          #c9a227;
  --gold-bright:   #e3be55;
  --gold-dim:      #8a7226;
  --gold-wash:     rgba(201,162,39,0.08);

  --text:          #ededed;
  --text-muted:    #8b909a;
  --text-faint:    #565c66;

  --green:         #3fa672;
  --red:           #c1493f;

  /* Type */
  --font-display:  'Fraunces', serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:     'IBM Plex Mono', ui-monospace, monospace;

  /* Scale (4px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;
  --sp-10: 128px;

  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 16px;

  --container: 1120px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg{ max-width: 100%; display: block; }

a{ color: inherit; text-decoration: none; }

::selection{ background: var(--gold-wash); color: var(--gold-bright); }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

/* ---------- Typography ---------- */
h1, h2, h3, .display{
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}
h1{ font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.05; font-weight: 500; }
h2{ font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.15; }
h3{ font-size: 1.25rem; line-height: 1.3; }

em{ font-style: italic; color: var(--gold-bright); }

p{ margin: 0; color: var(--text-muted); }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--sp-4);
}
.eyebrow::before{
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}

.mono{ font-family: var(--font-mono); }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 26px;
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: #171205;
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 8px 24px -8px rgba(201,162,39,0.55);
}
.btn-primary:hover{ box-shadow: 0 1px 0 rgba(255,255,255,0.35) inset, 0 10px 28px -6px rgba(201,162,39,0.7); }

.btn-ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover{ border-color: var(--gold-dim); color: var(--gold-bright); }

.btn-block{ width: 100%; }

/* ---------- Nav ---------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,13,16,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.nav .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav-logo{
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo .mark{
  width: 30px; height: 30px;
  flex-shrink: 0;
}
.nav-links{
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  font-size: 0.92rem;
  color: var(--text-muted);
}
.nav-links a{ transition: color 0.15s ease; }
.nav-links a:hover{ color: var(--text); }
.nav-links a.active{ color: var(--gold-bright); }
.nav-cta{ display: flex; align-items: center; gap: var(--sp-4); }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  width: 40px; height: 40px;
  color: var(--text);
  cursor: pointer;
}

@media (max-width: 860px){
  .nav-links{
    position: fixed;
    top: 76px;
    right: 0;
    left: auto;
    bottom: 0;
    width: min(78vw, 320px);
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--sp-6) var(--sp-5);
    gap: var(--sp-5);
    font-size: 1.1rem;
    transform: translateX(100%);
    opacity: 1;
    pointer-events: none;
    transition: transform 0.25s ease;
    z-index: 46;
    border-left: 1px solid var(--border-soft);
    box-shadow: -12px 0 32px rgba(0,0,0,0.45);
  }
  .nav-links.open{
    transform: translateX(0); pointer-events: auto;
  }
  .nav-toggle{ display: block; }
  .nav-cta .btn-ghost{ display: none; }
}

.nav-overlay{
  position: fixed;
  inset: 0;
  background: rgba(6,7,9,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 45;
}
.nav-overlay.open{
  opacity: 1;
  pointer-events: auto;
}
body.nav-locked{
  overflow: hidden;
}

/* ---------- Trust bar ---------- */
.trust-bar{
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-raised);
}
.trust-bar .container{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  padding: var(--sp-5) var(--sp-5);
}
.trust-item{
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.trust-item svg{ flex-shrink: 0; color: var(--gold); }
.trust-item strong{ color: var(--text); font-weight: 600; display: block; font-size: 0.85rem; }
.trust-item span{ font-size: 0.78rem; }

@media (max-width: 860px){
  .trust-bar .container{ grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Cards / surfaces ---------- */
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: var(--sp-6);
}

.section{ padding: var(--sp-9) 0; }
.section-head{ max-width: 640px; margin-bottom: var(--sp-7); }

/* ---------- EMA signature motif ---------- */
.ema-line{ overflow: visible; }
.ema-fast, .ema-slow{
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ema-fast{ stroke: var(--gold-bright); stroke-width: 2.5; }
.ema-slow{ stroke: var(--text-faint); stroke-width: 2; }
.ema-dash{
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw 2.6s cubic-bezier(.16,.84,.44,1) forwards;
}
.ema-slow.ema-dash{ animation-delay: 0.15s; }
@keyframes draw{ to{ stroke-dashoffset: 0; } }

.ema-cross-dot{
  fill: var(--gold-bright);
  opacity: 0;
  animation: pop 0.4s ease forwards;
  animation-delay: 2.4s;
}
@keyframes pop{ from{ opacity: 0; transform: scale(0);} to{ opacity: 1; transform: scale(1);} }

/* ---------- Footer ---------- */
.footer{
  border-top: 1px solid var(--border-soft);
  background: var(--bg-raised);
  padding: var(--sp-8) 0 var(--sp-6);
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--sp-6);
  padding-bottom: var(--sp-7);
}
.footer-col h4{
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: var(--sp-4);
  font-weight: 600;
}
.footer-col a, .footer-col p{
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-3);
}
.footer-col a:hover{ color: var(--gold-bright); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-soft);
  font-size: 0.8rem;
  color: var(--text-faint);
}
.risk-note{
  font-size: 0.78rem;
  color: var(--text-faint);
  max-width: 760px;
  line-height: 1.6;
  margin-bottom: var(--sp-5);
}

@media (max-width: 860px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(.16,.84,.44,1), transform 0.7s cubic-bezier(.16,.84,.44,1);
}
.reveal.in-view{ opacity: 1; transform: translateY(0); }

/* ---------- Card hover ---------- */
.card{
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover{
  border-color: rgba(201,162,39,0.45);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -20px rgba(201,162,39,0.35);
}

/* ---------- Cursor-reactive glow on hero card ---------- */
.glow-card{
  position: relative;
  overflow: hidden;
}
.glow-card::before{
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 0%), rgba(201,162,39,0.14), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.glow-card:hover::before{ opacity: 1; }

/* ---------- Live pulse on EMA fast line ---------- */
.ema-fast{
  animation: pulse-glow 2.8s ease-in-out infinite;
  animation-delay: 2.6s;
}
@keyframes pulse-glow{
  0%, 100%{ filter: drop-shadow(0 0 0px rgba(227,190,85,0)); }
  50%{ filter: drop-shadow(0 0 6px rgba(227,190,85,0.65)); }
}

/* ---------- Ticker strip ---------- */
.ticker{
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
  font-family: var(--font-mono);
}
.ticker-item{
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.85rem;
}
.ticker-item .pair{ color: var(--text-muted); }
.ticker-item .price{
  color: var(--text);
  font-weight: 600;
  transition: color 0.4s ease;
}
.ticker-item .price.up{ color: var(--green); }
.ticker-item .price.down{ color: var(--red); }
.ticker-item .delta{ font-size: 0.72rem; }
.ticker-item .delta.up{ color: var(--green); }
.ticker-item .delta.down{ color: var(--red); }
.ticker-dot{
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: blink 1.6s ease-in-out infinite;
  align-self: center;
  flex-shrink: 0;
}
@keyframes blink{ 0%,100%{ opacity:1; } 50%{ opacity:0.35; } }

/* ---------- Drifting candlestick background texture ---------- */
.candle-field{
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.055;
  z-index: 0;
}
.candle-field::before{
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 220%;
  height: 100%;
  background-image: repeating-linear-gradient(
    90deg,
    var(--gold) 0px, var(--gold) 3px,
    transparent 3px, transparent 26px
  );
  animation: drift 42s linear infinite;
}
@keyframes drift{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }

/* ---------- Button lift ---------- */
.btn{ transform: translateY(0); }
.btn-primary:hover, .btn-ghost:hover{ transform: translateY(-2px); }

/* ---------- Form inputs ---------- */
.field{ margin-bottom: var(--sp-4); }
.field label{
  display: block;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: var(--sp-2);
  font-family: var(--font-mono);
}
.field input, .field select{
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  padding: 11px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus{
  outline: none;
  border-color: var(--gold-dim);
}
.form-msg{
  font-size: 0.82rem;
  margin-top: var(--sp-3);
  padding: 10px 12px;
  border-radius: var(--radius-s);
}
.form-msg.error{ background: rgba(193,73,63,0.1); color: #e08a80; border: 1px solid rgba(193,73,63,0.3); }
.form-msg.success{ background: rgba(63,166,114,0.1); color: #7fd6a4; border: 1px solid rgba(63,166,114,0.3); }
.form-tabs{ display: flex; gap: var(--sp-2); margin-bottom: var(--sp-5); }
.form-tab{
  flex: 1;
  text-align: center;
  padding: 9px;
  border-radius: var(--radius-s);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
}
.form-tab.active{ background: var(--gold-wash); border-color: var(--gold-dim); color: var(--gold-bright); }
.status-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.status-pill.pending{ background: rgba(201,162,39,0.12); color: var(--gold-bright); border: 1px solid rgba(201,162,39,0.3); }
.status-pill.verified{ background: rgba(63,166,114,0.12); color: #7fd6a4; border: 1px solid rgba(63,166,114,0.3); }

/* ---------- Responsive grid utilities ---------- */
.grid-hero{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--sp-8); align-items:center; }
.grid-hero-narrow{ display:grid; grid-template-columns: 1fr 0.85fr; gap: var(--sp-8); align-items:center; }
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--sp-7); align-items:center; }
.grid-2-start{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--sp-8); align-items:start; }
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.grid-4{ display:grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }

@media (max-width: 860px){
  .grid-hero, .grid-hero-narrow, .grid-2, .grid-2-start, .grid-3, .grid-4{
    grid-template-columns: 1fr;
  }
  .grid-hero, .grid-hero-narrow{ gap: var(--sp-6); }
  .section{ padding: var(--sp-7) 0; }
  .container{ padding: 0 var(--sp-4); }
  #buy .card[style*="sticky"]{ position: static !important; top: auto !important; }
  .ticker{ gap: var(--sp-4); }
  .nav .container{ height: 64px; }
  .nav-logo{ font-size: 0.92rem; white-space: nowrap; gap: 8px; }
  .nav-logo .mark{ width: 24px; height: 24px; }
  .nav-cta{ gap: var(--sp-2); }
  .nav-cta .btn-primary{ padding: 10px 14px; font-size: 0.82rem; white-space: nowrap; }
  .nav-toggle{ width: 36px; height: 36px; flex-shrink: 0; }
  .nav-links{ top: 64px; }
}

@media (max-width: 400px){
  .ticker-item{ font-size: 0.78rem; }
  .trust-item{ font-size: 0.8rem; }
  .nav-cta .btn-primary{ padding: 9px 11px; font-size: 0.76rem; }
  .nav-logo{ font-size: 0.82rem; }
}

/* ---------- Live order book ladder ---------- */
.ladder-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
}
.ladder-dot{
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border);
  display: inline-block;
}
.ladder-title{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-left: 4px;
}
.ladder-live{
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.08em;
}
.ladder-bias{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-faint);
}
.ladder-bias.bullish{ color: var(--green); border-color: rgba(63,166,114,0.35); background: rgba(63,166,114,0.08); }
.ladder-bias.bearish{ color: var(--red); border-color: rgba(193,73,63,0.35); background: rgba(193,73,63,0.08); }
.ladder-rows{ display: flex; flex-direction: column; }
.ladder-row{
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 34px;
  border-bottom: 1px solid var(--border-soft);
}
.ladder-row:last-child{ border-bottom: none; }
.ladder-row.entry{
  background: var(--gold-wash);
  border-radius: var(--radius-s);
}
.ladder-bid, .ladder-ask{
  height: 18px;
  border-radius: 2px;
  transition: width 0.6s ease;
}
.ladder-bid{ background: rgba(193,73,63,0.35); justify-self: start; margin-left: 2px; }
.ladder-ask{ background: rgba(63,166,114,0.35); justify-self: end; margin-right: 2px; }
.ladder-price{
  font-family: var(--font-mono);
  font-size: 0.86rem;
  text-align: center;
  color: var(--text);
  transition: color 0.4s ease;
}
.ladder-row.entry .ladder-price{
  color: var(--gold-bright);
  font-weight: 700;
}
.ladder-row.entry::after{
  content: 'PULLBACK ZONE';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--gold-bright);
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: none;
}
@media (max-width: 480px){
  .ladder-row.entry::after{ display: none; }
}

.ladder-row.current::before{
  content: 'CURRENT';
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: none;
}
@media (max-width: 480px){
  .ladder-row.current::before{ display: none; }
}

/* ---------- Utility ---------- */
.text-center{ text-align: center; margin-left: auto; margin-right: auto; }
.mt-2{ margin-top: var(--sp-2); }
.mt-4{ margin-top: var(--sp-4); }
.mt-5{ margin-top: var(--sp-5); }
.mt-6{ margin-top: var(--sp-6); }
.mt-7{ margin-top: var(--sp-7); }
.flex{ display: flex; }
.gap-3{ gap: var(--sp-3); }
.gap-4{ gap: var(--sp-4); }
.items-center{ align-items: center; }
.badge{
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--gold-wash);
  border: 1px solid rgba(201,162,39,0.3);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}