/* DealStreaming marketing site — dark, premium, radar-themed. No frameworks. */
:root {
  --bg: #07090d;
  --bg-2: #0b0f16;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-solid: #0e141d;
  --line: rgba(255, 255, 255, 0.09);
  --text: #eef3f8;
  --muted: #93a1b3;
  --green: #2bdc7e;
  --green-dim: rgba(43, 220, 126, 0.14);
  --cyan: #4ed3ff;
  --gold: #e8c35a;
  --red: #ff6b66;
  --radius: 16px;
  --font: 'Sora', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; }
em { font-style: normal; color: var(--green); }
.mono { font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 28px;
  padding: 14px 28px;
  background: rgba(7, 9, 13, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.brand { font-weight: 800; font-size: 18px; color: var(--green); letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 24px; flex: 1; font-size: 14px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-login { margin-right: -12px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  border: 1px solid var(--line);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s;
  will-change: transform;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--green), #18b865);
  color: #04140a;
  border-color: transparent;
  box-shadow: 0 0 0 0 rgba(43, 220, 126, 0.4);
}
.btn-primary:hover { box-shadow: 0 8px 30px -6px rgba(43, 220, 126, 0.55); }
.btn-ghost { color: var(--text); background: var(--panel); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); }
.btn-lg { padding: 15px 30px; font-size: 16px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 150px 28px 90px;
  overflow: hidden;
}
.mesh {
  position: absolute; inset: -20% -10%;
  background:
    radial-gradient(42% 38% at 18% 22%, rgba(43, 220, 126, 0.14), transparent 70%),
    radial-gradient(36% 34% at 82% 12%, rgba(78, 211, 255, 0.10), transparent 70%),
    radial-gradient(50% 44% at 70% 86%, rgba(43, 220, 126, 0.07), transparent 70%);
  filter: blur(8px);
  pointer-events: none;
  animation: drift 26s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(-1.5%, -1%, 0) scale(1); }
  to   { transform: translate3d(1.5%, 1.5%, 0) scale(1.05); }
}
.hero-inner {
  position: relative;
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--green);
  border: 1px solid rgba(43, 220, 126, 0.3);
  background: var(--green-dim);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(43, 220, 126, 0.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(43, 220, 126, 0.6); }
  70% { box-shadow: 0 0 0 9px rgba(43, 220, 126, 0); }
  100% { box-shadow: 0 0 0 0 rgba(43, 220, 126, 0); }
}
.hero h1 { font-size: clamp(34px, 4.6vw, 58px); font-weight: 800; margin-bottom: 20px; }
.lede { font-size: 18px; color: var(--muted); max-width: 54ch; margin-bottom: 28px; }
.lede strong { color: var(--text); }
.hero-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 30px; }
.cta-note { font-size: 13px; color: var(--muted); }
.hero-points { list-style: none; padding: 0; display: grid; gap: 10px; }
.hero-points li {
  position: relative; padding-left: 26px; font-size: 14.5px; color: var(--muted);
}
.hero-points li::before {
  content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700;
}

/* ---------- radar visual ---------- */
.radar-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255,255,255,0.06);
}
.radar-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--muted); margin-bottom: 14px;
}
.radar-title { color: var(--green); }
.radar-status { display: inline-flex; gap: 7px; align-items: center; }
.radar-wrap { display: grid; grid-template-columns: 150px 1fr; gap: 16px; align-items: start; }
.radar {
  position: relative; width: 150px; height: 150px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,220,126,0.08), rgba(43,220,126,0.015) 65%, transparent 70%);
  border: 1px solid rgba(43, 220, 126, 0.25);
  overflow: hidden;
}
.radar-rings { position: absolute; inset: 0; }
.radar-rings::before, .radar-rings::after {
  content: ''; position: absolute; border-radius: 50%;
  border: 1px solid rgba(43, 220, 126, 0.18);
}
.radar-rings::before { inset: 24%; }
.radar-rings::after { inset: 44%; }
.radar-sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(43, 220, 126, 0.45), transparent 16%);
  animation: sweep 3.2s linear infinite;
}
@keyframes sweep { to { transform: rotate(360deg); } }
.radar-blips { position: absolute; inset: 0; }
.blip {
  position: absolute; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px 2px rgba(43, 220, 126, 0.55);
  animation: blip-fade 2.6s ease-out forwards;
}
@keyframes blip-fade { from { opacity: 1; transform: scale(1); } to { opacity: 0; transform: scale(2.1); } }
.ticker { display: flex; flex-direction: column; gap: 8px; min-height: 150px; overflow: hidden; }
.tick {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 10px;
  padding: 8px 12px;
  animation: tick-in 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
.tick.gold { border-left-color: var(--gold); background: rgba(232, 195, 90, 0.07); }
@keyframes tick-in { from { opacity: 0; transform: translateY(-12px) scale(0.97); } to { opacity: 1; } }
.tick-title { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tick-sub { font-family: var(--mono); font-size: 10.5px; color: var(--muted); grid-column: 1; }
.tick-profit { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--green); grid-row: span 2; align-self: center; }
.tick.gold .tick-profit { color: var(--gold); }
.radar-foot { margin-top: 12px; text-align: right; font-family: var(--mono); font-size: 10px; color: rgba(147, 161, 179, 0.55); letter-spacing: 0.08em; }

/* ---------- stat strip ---------- */
.strip {
  display: flex; justify-content: center; align-items: center; gap: 26px; flex-wrap: wrap;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  padding: 18px 24px;
  font-size: 14px; color: var(--muted);
}
.strip b { color: var(--text); }
.strip span { width: 4px; height: 4px; border-radius: 50%; background: var(--line); }

/* ---------- sections ---------- */
.section { max-width: 1180px; margin: 0 auto; padding: 110px 28px 30px; }
.kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--green); margin-bottom: 14px;
}
.section h2, .engine h2 { font-size: clamp(26px, 3.4vw, 42px); max-width: 22ch; margin-bottom: 34px; }
.center-note { color: var(--muted); font-size: 15px; max-width: 64ch; margin: 0 0 34px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px;
  position: relative;
}
.step-num {
  font-family: var(--mono); font-size: 13px; color: var(--green);
  margin-bottom: 16px; letter-spacing: 0.1em;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* feature grid */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(43, 220, 126, 0.35); background: rgba(43, 220, 126, 0.04); }
.card-ico { font-size: 22px; margin-bottom: 14px; }
.card h3 { font-size: 16.5px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 13.5px; }
.card b { color: var(--text); }

/* engine */
.engine { padding-bottom: 50px; }
.engine-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.engine-copy p { color: var(--muted); margin-bottom: 16px; max-width: 56ch; }
.engine-copy p strong { color: var(--text); }
.engine-points { list-style: none; padding: 0; margin-top: 22px; display: grid; gap: 12px; }
.engine-points li { padding-left: 26px; position: relative; color: var(--muted); font-size: 14.5px; }
.engine-points li::before { content: '▸'; position: absolute; left: 0; color: var(--green); }
.engine-points b { color: var(--text); }
.match-card {
  background: var(--panel-solid); border: 1px solid var(--line); border-radius: 18px;
  padding: 26px; font-size: 14px;
  box-shadow: 0 30px 70px -35px rgba(0, 0, 0, 0.9);
}
.match-row {
  display: flex; gap: 16px; align-items: baseline;
  padding: 9px 0;
}
.match-row .mono { min-width: 92px; }
.match-arrow { font-family: var(--mono); font-size: 11px; color: var(--green); padding: 2px 0 2px 8px; }
.match-sep { border-top: 1px dashed var(--line); margin: 14px 0; }
.ok { color: var(--green); }
.bad { color: var(--red); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 28px; }
.plan {
  background: var(--panel); border: 1px solid var(--line); border-radius: 20px;
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 6px;
  position: relative;
}
.plan.featured {
  background: linear-gradient(180deg, rgba(43, 220, 126, 0.09), rgba(43, 220, 126, 0.02));
  border-color: rgba(43, 220, 126, 0.4);
  transform: scale(1.03);
}
.plan-flag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: #04140a;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 999px;
}
.plan h3 { font-size: 17px; }
.price { font-size: 44px; font-weight: 800; letter-spacing: -0.03em; }
.price span { font-size: 15px; font-weight: 400; color: var(--muted); }
.plan-tag { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 9px; flex: 1; }
.plan li { padding-left: 24px; position: relative; font-size: 14px; color: var(--muted); }
.plan li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.plan .btn { text-align: center; }

/* faq */
.faq { display: grid; gap: 12px; max-width: 820px; }
.faq details {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 0 22px;
  transition: border-color 0.2s;
}
.faq details[open] { border-color: rgba(43, 220, 126, 0.3); }
.faq summary {
  cursor: pointer; list-style: none;
  font-weight: 600; font-size: 15.5px;
  padding: 18px 0;
  position: relative; padding-right: 34px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  color: var(--green); font-size: 20px; font-weight: 400;
  transition: transform 0.2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); font-size: 14.5px; padding-bottom: 20px; }

/* final cta */
.final {
  position: relative; text-align: center;
  padding: 130px 28px; margin-top: 80px;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.mesh-b { animation-duration: 20s; }
.final h2 { font-size: clamp(26px, 3.6vw, 44px); margin: 0 auto 34px; position: relative; }
.final .btn { position: relative; }
.final .cta-note { display: block; margin-top: 16px; position: relative; }

/* footer */
.foot {
  border-top: 1px solid var(--line);
  padding: 36px 28px 46px;
  max-width: 1180px; margin: 0 auto;
  display: grid; gap: 14px;
  font-size: 13px; color: var(--muted);
}
.foot > div { font-weight: 800; color: var(--green); font-size: 15px; }
.foot nav { display: flex; gap: 22px; }
.foot nav a:hover { color: var(--text); }
.foot p { max-width: 80ch; font-size: 12px; color: rgba(147, 161, 179, 0.6); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.shown { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .mesh, .radar-sweep, .pulse-dot { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* responsive */
@media (max-width: 1020px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner, .engine-grid { grid-template-columns: 1fr; gap: 44px; }
  .steps, .plans { grid-template-columns: 1fr; }
  .plan.featured { transform: none; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .radar-wrap { grid-template-columns: 1fr; }
  .radar { margin: 0 auto; }
  .nav-login { display: none; }
}