/* ============ TOKENS ============ */
:root {
  --bg: #0B0E13;
  --panel: #12161D;
  --panel-alt: #171C24;
  --border: #232A34;
  --text: #E8ECF1;
  --text-dim: #8B95A1;
  --text-faint: #5B6472;
  --green: #00D982;
  --red: #FF5C5C;
  --blue: #3AA0FF;
  --amber: #FFB020;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --container: 1320px;
}

body.light-session {
  --bg: #F4F6F8;
  --panel: #FFFFFF;
  --panel-alt: #EEF1F4;
  --border: #DCE1E7;
  --text: #10151C;
  --text-dim: #4B5563;
  --text-faint: #8A93A0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background .35s ease, color .35s ease;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; letter-spacing: -0.01em; }
p { color: var(--text-dim); margin: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--green);
  color: #04160E;
  box-shadow: 0 0 0 0 rgba(0,217,130,0);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(0,217,130,0.25); }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--text-dim); }
.btn-lg { padding: 14px 26px; font-size: 15px; }

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
  text-transform: uppercase;
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,14,19,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
body.light-session .site-header { background: rgba(244,246,248,0.85); }

.header-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}
.main-nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}
.main-nav a:hover { color: var(--text); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.icon-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.icon-toggle:hover { color: var(--amber); border-color: var(--amber); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.hamburger.is-active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============ TICKER ============ */
.ticker-wrap {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  white-space: nowrap;
  padding: 8px 0;
}
.ticker-track {
  display: inline-flex;
  gap: 40px;
  animation: scroll-left 28s linear infinite;
  will-change: transform;
}
.ticker-item {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.ticker-item b { color: var(--text); margin-left: 6px; }
.ticker-item.up b { color: var(--green); }
.ticker-item.down b { color: var(--red); }

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

/* ============ HERO ============ */
.hero { padding: 70px 16px 50px; }
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.dot-live {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(0,217,130,0.6);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,217,130,0.55); }
  70% { box-shadow: 0 0 0 8px rgba(0,217,130,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,217,130,0); }
}

.hero-copy h1 {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 20px;
}
.hero-copy h1 .highlight { color: var(--green); }
.hero-sub { font-size: 16.5px; max-width: 480px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 34px; flex-wrap: wrap; }
.hero-trust {
  display: flex; gap: 10px; align-items: center;
  font-family: var(--font-mono); font-size: 13px; color: var(--text-dim);
}
.hero-trust strong { color: var(--text); }
.hero-trust .sep { color: var(--text-faint); }

/* --- terminal panel --- */
.panel-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.panel-titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--panel-alt);
  border-bottom: 1px solid var(--border);
}
.panel-dots { display: flex; gap: 6px; }
.panel-dots span { width: 9px; height: 9px; border-radius: 50%; background: var(--border); }
.panel-dots span:nth-child(1) { background: var(--red); }
.panel-dots span:nth-child(2) { background: var(--amber); }
.panel-dots span:nth-child(3) { background: var(--green); }
.panel-name { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); margin-left: auto; }

.panel-chart { padding: 18px 18px 0; }
.sparkline { width: 100%; height: 90px; display: block; }
#sparkline {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: draw 1.8s ease forwards .3s;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.panel-rows { padding: 6px 18px 18px; }
.panel-rows li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
}
.panel-rows li:first-child { border-top: none; }
.panel-rows span { color: var(--text-dim); }
.panel-rows .num { font-family: var(--font-mono); font-weight: 600; }
.panel-rows .delta { font-family: var(--font-mono); font-size: 12px; }
.delta.up { color: var(--green); }
.delta.down { color: var(--red); }

/* ============ STATS ============ */
.stats { padding: 20px 16px 70px; }
.stats-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 22px 20px;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  color: var(--accent);
}
.stat-suffix { font-family: var(--font-mono); font-size: 20px; color: var(--accent); }
.stat-card p { margin-top: 6px; font-size: 13.5px; }

/* ============ SECTION HEAD ============ */
.section-head {
  max-width: 600px;
  margin: 0 auto 50px;
  text-align: center;
}
.section-head h2 { font-size: 34px; margin: 12px 0 12px; }
.section-head p { font-size: 15px; }

/* ============ HOW IT WORKS ============ */
.how { padding: 30px 16px 70px; max-width: var(--container); margin: 0 auto; }
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.section-cta { text-align: center; margin-top: 40px; }
.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  display: block;
  margin-bottom: 14px;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { font-size: 14px; }

/* ============ TRACKS ============ */
.tracks { padding: 30px 16px 70px; max-width: var(--container); margin: 0 auto; }
.track-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.track-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 500;
  transition: border-color .15s ease, transform .15s ease;
}
.track-pill:hover { border-color: var(--green); transform: translateY(-2px); }
.track-ico {
  font-family: var(--font-mono);
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  background: var(--panel-alt);
  border-radius: 50%;
  font-size: 12px;
  color: var(--text-dim);
}
.track-pill .delta { margin-left: 4px; font-family: var(--font-mono); font-size: 12px; }

/* ============ WHY ============ */
.why {
  max-width: var(--container);
  margin: 0 auto;
  padding: 30px 16px 80px;
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.why-copy h2 { font-size: 34px; margin: 12px 0 16px; }
.why-copy p { font-size: 15.5px; margin-bottom: 22px; max-width: 460px; }
.why-list { margin-bottom: 30px; }
.why-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text);
  padding: 8px 0;
}

.panel-card.small { max-width: 380px; margin-left: auto; }
.ledger-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-dim);
}
.ledger-row:first-of-type { border-top: none; }
.ledger-row b { font-family: var(--font-mono); color: var(--text); }
.ledger-row b.up { color: var(--green); }
.ledger-bar {
  margin: 4px 18px 6px;
  height: 6px;
  background: var(--panel-alt);
  border-radius: 4px;
  overflow: hidden;
}
.ledger-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--green);
  border-radius: 4px;
  transition: width 1.4s ease;
}
.ledger-caption {
  display: block;
  padding: 0 18px 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
}

/* ============ REVIEWS ============ */
.reviews { padding: 30px 16px 80px; max-width: var(--container); margin: 0 auto; }
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-grid .review-slip { padding: 26px; }
.review-slip {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
}
.slip-top {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 16px;
  margin-bottom: 20px;
}
.slip-quote { font-size: 17px; color: var(--text); line-height: 1.6; margin-bottom: 24px; }
.slip-bottom { display: flex; align-items: center; gap: 14px; }
.slip-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #04160E;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.slip-bottom strong { display: block; font-size: 14.5px; }
.slip-bottom span { font-size: 13px; color: var(--text-dim); }

/* ============ FOOTER ============ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 60px 16px 24px;
  background: var(--panel);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-col.brand p { font-size: 14px; margin-top: 14px; max-width: 260px; }
.footer-col h4 { font-family: var(--font-body); font-size: 13.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); margin-bottom: 14px; }
.footer-col a, .footer-col p { display: block; font-size: 14px; color: var(--text-dim); margin-bottom: 10px; }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  max-width: var(--container);
  margin: 40px auto 0;
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-faint);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a:hover { color: var(--text); }

/* ============ PLAYBOOK LIBRARY ============ */
.library { padding: 30px 16px 70px; max-width: var(--container); margin: 0 auto; }
.library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.course-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.course-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(0,217,130,0.1);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 4px;
}
.course-card h3 { font-size: 18px; }
.course-card p { font-size: 14px; flex-grow: 1; }
.course-meta {
  display: flex;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.course-card .btn { align-self: flex-start; }

/* ============ FAQ ============ */
.faq { padding: 30px 16px 80px; max-width: 820px; margin: 0 auto; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 18px;
  margin-left: 12px;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin-top: 12px; font-size: 14px; }

/* ============ FINAL CTA ============ */
.final-cta {
  padding: 70px 16px;
  background: linear-gradient(135deg, rgba(0,217,130,0.08), rgba(58,160,255,0.06));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.final-cta-inner { max-width: 560px; margin: 0 auto; }
.final-cta h2 { font-size: 30px; margin-bottom: 12px; }
.final-cta p { font-size: 15px; margin-bottom: 24px; }

/* ============ REGISTRATION MODAL ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4,6,9,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 100;
  padding: 20px;
}
.modal-overlay.is-open { opacity: 1; pointer-events: auto; }
.modal-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  max-width: 400px;
  width: 100%;
  transform: translateY(10px) scale(0.98);
  transition: transform .2s ease;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.modal-overlay.is-open .modal-card { transform: translateY(0) scale(1); }
.modal-card h3 { font-size: 22px; margin: 10px 0 8px; }
.modal-card p { font-size: 14px; margin-bottom: 20px; }
.modal-input {
  width: 100%;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  margin-bottom: 18px;
}
.modal-input:focus { outline: none; border-color: var(--green); }
.modal-input::placeholder { color: var(--text-faint); }
.modal-submit { width: 100%; justify-content: center; }
.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text-dim);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.modal-close:hover { color: var(--text); border-color: var(--text-dim); }

/* ============ RESPONSIVE ============ */
@media (prefers-reduced-motion: reduce) {
  .ticker-track, .dot-live, #sparkline { animation: none !important; }
}

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .why { grid-template-columns: 1fr; }
  .panel-card.small { margin: 0 auto; }
  .how-steps { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .library-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
  }
  .main-nav.nav-open { display: flex; }
  .main-nav a { padding: 12px 0; border-top: 1px solid var(--border); }
  .main-nav a:first-child { border-top: none; }
  .hamburger { display: flex; }
  .hero-copy h1 { font-size: 36px; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .library-grid { grid-template-columns: 1fr; }
}