/* ==========================================================================
   Wats D Strategy — design system
   Dark trading-terminal aesthetic. Monospace numerals, dense panels.
   ========================================================================== */

:root {
  /* Surfaces */
  --bg:            #070b12;
  --bg-grid:       rgba(120, 160, 200, 0.045);
  --panel:         rgba(17, 24, 38, 0.72);
  --panel-solid:   #111826;
  --panel-hi:      rgba(28, 38, 56, 0.82);
  --line:          rgba(255, 255, 255, 0.08);
  --line-bright:   rgba(255, 255, 255, 0.16);

  /* Text */
  --text:          #e8eef6;
  --text-dim:      #94a3b8;
  --text-faint:    #5c6b80;

  /* Accents */
  --accent:        #00e5a0;   /* primary — signal green   */
  --accent-dim:    #00b37e;
  --long:          #16d68a;   /* P&L positive             */
  --short:         #ff4d6d;   /* P&L negative             */
  --warn:          #ffb020;
  --info:          #4d9fff;

  /* Type */
  --font-display: 'Outfit', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Cascadia Mono', ui-monospace, 'Consolas', monospace;

  /* Space */
  --radius:    14px;
  --radius-sm: 9px;
  --maxw:      1180px;

  /* Tells the browser to render native widgets (dropdown lists, date and time
     pickers, scrollbars) in their dark variant. Without this, an open <select>
     renders as a white popup with near-white text — unreadable. */
  color-scheme: dark;
}

/* The popup list of a <select> is drawn by the OS, not the page, so it ignores
   inherited colours. These have to be set on the options themselves, and with
   literal values — var() is unreliable here across browsers. */
select option,
select optgroup {
  background-color: #111826;
  color: #e8eef6;
}
select option:checked {
  background-color: #00b37e;
  color: #04120d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient glow behind the hero */
body::before {
  content: '';
  position: fixed;
  top: -30vh; left: 50%;
  transform: translateX(-50%);
  width: 130vw; height: 90vh;
  background: radial-gradient(ellipse at center, rgba(0, 229, 160, 0.10), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

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

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- Nav ---------------------------------------------------------- */

.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 11, 18, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; font-size: 1.02rem; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  background: linear-gradient(140deg, var(--accent), #0a8f6a);
  display: grid; place-items: center;
  box-shadow: 0 0 22px rgba(0, 229, 160, 0.35);
}
.brand-mark svg { width: 17px; height: 17px; display: block; }
.brand span { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 0.885rem; color: var(--text-dim); font-weight: 500;
  transition: color .18s;
}
.nav-links a:hover { color: var(--text); }

.pill-live {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.09em;
  color: var(--text-faint);
  border: 1px solid var(--line); border-radius: 100px;
  padding: 5px 11px;
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 9px var(--warn); }

.burger { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 6px; }

/* ---------- Hero --------------------------------------------------------- */

.hero { padding: 92px 0 74px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 0.715rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(0, 229, 160, 0.28);
  background: rgba(0, 229, 160, 0.06);
  border-radius: 100px; padding: 6px 14px; margin-bottom: 26px;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5.4vw, 3.75rem);
  line-height: 1.06; font-weight: 700; letter-spacing: -0.033em;
  margin-bottom: 22px;
}
h1 em { font-style: normal; color: var(--accent); }
.strike { position: relative; white-space: nowrap; }
.strike::after {
  content: ''; position: absolute; left: -2%; right: -2%; top: 55%; height: 3px;
  background: var(--short); border-radius: 2px;
  transform: rotate(-1.6deg);
}

.lede { font-size: 1.08rem; color: var(--text-dim); max-width: 32em; margin-bottom: 34px; }

.cta-row { display: flex; gap: 13px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-body); font-size: 0.925rem; font-weight: 600;
  padding: 12px 22px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; transition: transform .16s, box-shadow .16s, background .16s, border-color .16s;
}
.btn-primary {
  background: var(--accent); color: #04120d;
  box-shadow: 0 5px 26px rgba(0, 229, 160, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 9px 34px rgba(0, 229, 160, 0.42); }
.btn-ghost { border-color: var(--line-bright); color: var(--text); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Hero terminal panel */
.term {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  backdrop-filter: blur(9px);
  box-shadow: 0 26px 66px rgba(0, 0, 0, 0.5);
}
.term-bar {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 15px; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}
.term-bar b {
  font-family: var(--font-mono); font-size: 0.735rem; font-weight: 500;
  color: var(--text-faint); letter-spacing: 0.04em; margin-left: 5px;
}
.tdot { width: 9px; height: 9px; border-radius: 50%; }

.term-body { padding: 19px 20px 22px; }
.term-line {
  font-family: var(--font-mono); font-size: 0.775rem;
  color: var(--text-dim); margin-bottom: 7px;
}
.term-line .k { color: var(--info); }
.term-line .v { color: var(--text); }
.term-line .c { color: var(--text-faint); }

.spark { width: 100%; height: 108px; margin: 17px 0 15px; display: block; }

.res-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.res {
  background: var(--panel-solid); padding: 11px 12px;
}
.res dt { font-size: 0.655rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 4px; }
.res dd { font-family: var(--font-mono); font-size: 1.02rem; font-weight: 600; }
.pos { color: var(--long); }
.neg { color: var(--short); }

/* ---------- Section shell ------------------------------------------------ */

section { padding: 78px 0; position: relative; z-index: 1; }
.sec-head { max-width: 42em; margin-bottom: 42px; }
.sec-tag {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.17em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 13px;
}
h2 {
  font-family: var(--font-display); font-size: clamp(1.65rem, 3.2vw, 2.3rem);
  font-weight: 700; letter-spacing: -0.025em; line-height: 1.15; margin-bottom: 13px;
}
.sec-head p { color: var(--text-dim); }

/* ---------- Module cards ------------------------------------------------- */

.modules { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.mod {
  position: relative;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 28px 28px;
  backdrop-filter: blur(9px);
  transition: border-color .2s, transform .2s;
  overflow: hidden;
}
.mod::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), rgba(0,229,160,0.07), transparent 42%);
  opacity: 0; transition: opacity .25s;
}
.mod:hover { border-color: var(--line-bright); transform: translateY(-3px); }
.mod:hover::after { opacity: 1; }

.mod-n {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-faint);
  letter-spacing: 0.1em; margin-bottom: 16px;
}
.mod-icon {
  width: 42px; height: 42px; border-radius: 11px; margin-bottom: 18px;
  display: grid; place-items: center;
  border: 1px solid var(--line-bright);
  background: rgba(0, 229, 160, 0.07);
  color: var(--accent);
}
.mod-icon svg { width: 21px; height: 21px; }
.mod h3 { font-family: var(--font-display); font-size: 1.32rem; font-weight: 650; margin-bottom: 9px; letter-spacing: -0.015em; }
.mod > p { color: var(--text-dim); font-size: 0.935rem; margin-bottom: 20px; }

.feat { list-style: none; display: grid; gap: 9px; margin-bottom: 24px; }
.feat li { display: flex; gap: 10px; font-size: 0.885rem; color: var(--text-dim); align-items: flex-start; }
.feat li::before {
  content: ''; flex: none; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); margin-top: 8px;
  box-shadow: 0 0 7px var(--accent);
}
.feat b { color: var(--text); font-weight: 600; }

.mod-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; border-top: 1px solid var(--line); }
.status {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.09em;
  text-transform: uppercase; padding: 4px 10px; border-radius: 100px;
  border: 1px solid var(--line-bright); color: var(--text-faint);
}
.status.next { color: var(--warn); border-color: rgba(255,176,32,0.4); background: rgba(255,176,32,0.07); }
.go { font-size: 0.885rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Loop / how it works ----------------------------------------- */

.loop { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 22px 20px; position: relative;
}
.step-n {
  font-family: var(--font-mono); font-size: 2rem; font-weight: 700;
  color: rgba(255,255,255,0.07); line-height: 1; margin-bottom: 12px;
}
.step h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 650; margin-bottom: 7px; }
.step p { font-size: 0.855rem; color: var(--text-dim); }

/* ---------- Callout ------------------------------------------------------ */

.callout {
  border: 1px solid rgba(0, 229, 160, 0.24);
  background: linear-gradient(135deg, rgba(0,229,160,0.07), rgba(0,229,160,0.015));
  border-radius: var(--radius); padding: 34px 34px;
  display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center;
}
.callout h3 { font-family: var(--font-display); font-size: 1.42rem; font-weight: 650; margin-bottom: 9px; letter-spacing: -0.015em; }
.callout p { color: var(--text-dim); max-width: 46em; font-size: 0.945rem; }
.callout code {
  font-family: var(--font-mono); font-size: 0.86em;
  background: rgba(0,0,0,0.35); padding: 2px 7px; border-radius: 5px; color: var(--accent);
}

/* ---------- Footer ------------------------------------------------------- */

footer { border-top: 1px solid var(--line); padding: 44px 0 54px; margin-top: 30px; }
.foot-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; margin-bottom: 30px; }
.foot-links { display: flex; gap: 26px; flex-wrap: wrap; }
.foot-links a { font-size: 0.875rem; color: var(--text-dim); }
.foot-links a:hover { color: var(--accent); }

.disclaimer {
  border: 1px solid rgba(255, 176, 32, 0.22);
  background: rgba(255, 176, 32, 0.045);
  border-radius: var(--radius-sm); padding: 17px 19px;
  font-size: 0.815rem; color: var(--text-dim); line-height: 1.65;
}
.disclaimer b { color: var(--warn); }

.copy { margin-top: 22px; font-size: 0.79rem; color: var(--text-faint); font-family: var(--font-mono); }

/* ---------- Responsive --------------------------------------------------- */

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .modules   { grid-template-columns: 1fr; }
  .loop      { grid-template-columns: 1fr 1fr; }
  .callout   { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .burger    { display: block; }
  .hero      { padding: 58px 0 48px; }
  section    { padding: 56px 0; }
  .loop      { grid-template-columns: 1fr; }
  .res-grid  { grid-template-columns: 1fr 1fr; }
  .wrap      { padding: 0 18px; }
}

/* Respect users who don't want motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}