:root {
  --primary: #b8ff00;
  --primary-2: #75d900;
  --primary-3: #e7ff86;
  --bg: #060806;
  --bg-soft: #0d100d;
  --panel: rgba(16, 20, 16, .86);
  --panel-2: rgba(22, 28, 22, .92);
  --text: #f4f7f2;
  --muted: #aab5a7;
  --line: rgba(184, 255, 0, .16);
  --line-strong: rgba(184, 255, 0, .36);
  --shadow: 0 24px 80px rgba(0, 0, 0, .45);
  --glow: 0 0 40px rgba(184, 255, 0, .22);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 5%, rgba(184,255,0,.14), transparent 28%),
    radial-gradient(circle at 85% 14%, rgba(117,217,0,.12), transparent 30%),
    linear-gradient(180deg, #050705 0%, #090c09 45%, #030403 100%);
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 72%);
}

a { color: inherit; text-decoration: none; }
p { color: var(--muted); line-height: 1.75; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.section { position: relative; padding: 96px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(6, 8, 6, .72);
  backdrop-filter: blur(18px);
}
.nav { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { width: 188px; height: 52px; object-fit: contain; filter: drop-shadow(0 0 18px rgba(184,255,0,.24)); }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 700; color: #dce7d9; }
.nav-links a:not(.btn):hover { color: var(--primary); }
.nav-toggle { display: none; border: 1px solid var(--line); border-radius: 14px; padding: 9px 12px; background: rgba(255,255,255,.04); color: #fff; font-size: 22px; }

.btn, .mock-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #071007;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 34px rgba(184,255,0,.20);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:hover, .mock-button:hover { transform: translateY(-2px); box-shadow: 0 18px 42px rgba(184,255,0,.28); }
.btn-secondary {
  background: rgba(255,255,255,.045);
  color: var(--text);
  border: 1px solid var(--line-strong);
  box-shadow: none;
}
.btn-small { padding: 10px 15px; font-size: 13px; }

.hero { padding: 86px 0 108px; min-height: calc(100vh - 78px); display: grid; align-items: center; }
.hero::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -220px;
  top: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,255,0,.18), transparent 64%);
  filter: blur(8px);
}
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 48px; }
.hero-brand-container { display: none; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--primary);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(184,255,0,.07);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}
h1, h2, h3, h4 { color: var(--text); margin: 0; letter-spacing: -.045em; }
h1 { margin-top: 18px; font-size: clamp(42px, 6vw, 76px); line-height: .95; max-width: 840px; }
h2 { font-size: clamp(34px, 4vw, 54px); line-height: 1.02; }
h3 { font-size: 22px; line-height: 1.12; }
h4 { font-size: 20px; }
.hero-text { max-width: 640px; margin: 24px 0 0; font-size: 20px; color: #d4ded1; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.trust-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 30px; color: var(--muted); font-size: 13px; }
.trust-row strong { border: 1px solid rgba(255,255,255,.09); border-radius: 999px; padding: 8px 11px; background: rgba(255,255,255,.04); color: #fff; }

.demo-card, .card, .service-card, .process-card, .price-card, details, .contact-card, .metric {
  position: relative;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.demo-card { padding: 24px; overflow: hidden; }
.demo-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(184,255,0,.22), transparent 35%);
  pointer-events: none;
}
.demo-topbar { display: flex; gap: 8px; margin-bottom: 20px; }
.demo-topbar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.22); }
.demo-topbar span:first-child { background: var(--primary); box-shadow: var(--glow); }
.demo-header { position: relative; display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.demo-header small, .practice-label, .pkg-label { color: var(--primary); font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.status, .badge {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 8px 11px;
  background: rgba(184,255,0,.12);
  color: var(--primary-3);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 900;
}
.practice-progress { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin: 18px 0 22px; }
.practice-progress span { height: 7px; border-radius: 99px; background: rgba(255,255,255,.1); }
.practice-progress span.active { background: linear-gradient(90deg,var(--primary),var(--primary-2)); }
.practice-panel { display: none; position: relative; }
.practice-panel.active { display: block; animation: fadeUp .25s ease both; }
.practice-copy { margin: 10px 0 18px; }
.select-label { display: block; margin: 18px 0 8px; color: #fff; font-weight: 800; }
input, textarea, select, .practice-select {
  width: 100%;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 14px 15px;
  outline: none;
  background: rgba(0,0,0,.24);
  color: #fff;
  font: inherit;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(184,255,0,.1); }
.scenario-box, .feedback-box {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  margin: 16px 0;
  background: rgba(184,255,0,.07);
  color: #eaf5e6;
}
.option-list { display: grid; gap: 10px; margin: 18px 0; }
.option-item { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(0,0,0,.20); color: #eaf2e7; cursor: pointer; }
.option-item input { width: auto; margin-top: 3px; accent-color: var(--primary); }
.option-item.correct { border-color: rgba(184,255,0,.65); background: rgba(184,255,0,.11); }
.option-item.incorrect { border-color: rgba(255,90,90,.55); background: rgba(255,90,90,.09); }
.practice-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.section-heading { max-width: 760px; margin: 0 auto 38px; text-align: center; }
.section-heading .eyebrow { margin-inline: auto; }
.section-heading h2, .split h2, .metrics-grid h2, .contact-card h2 { margin-top: 16px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card, .service-card, .process-card, .price-card, details { padding: 26px; }
.icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 16px; margin-bottom: 18px; background: rgba(184,255,0,.1); border: 1px solid var(--line); font-size: 24px; }
.split { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 54px; }
.check-list { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.check-list li { color: #edf5ea; font-weight: 750; }
.check-list li::before { content: "✓"; display: inline-grid; place-items: center; width: 24px; height: 24px; margin-right: 10px; border-radius: 50%; background: var(--primary); color: #071007; font-weight: 900; }
.process-card ol { display: grid; gap: 16px; padding: 0; margin: 22px 0 0; list-style: none; }
.process-card li { display: flex; gap: 14px; align-items: flex-start; }
.process-card li > span { width: 36px; height: 36px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 13px; background: linear-gradient(135deg,var(--primary),var(--primary-2)); color: #071007; font-weight: 900; }
.process-card small { display: block; color: var(--muted); margin-top: 4px; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.metrics-section { background: rgba(0,0,0,.22); }
.metrics-grid { display: grid; grid-template-columns: 1.45fr repeat(3, 1fr); gap: 18px; align-items: stretch; }
.metric { padding: 24px; min-height: 140px; display: flex; flex-direction: column; justify-content: center; }
.metric strong { color: var(--primary); font-size: 46px; line-height: 1; }
.metric span { color: #fff; font-weight: 900; margin-top: 8px; }

.pricing-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; align-items: start; }
.price-card { display: flex; flex-direction: column; min-height: 100%; }
.price-card.featured { border-color: var(--line-strong); transform: translateY(-12px); box-shadow: 0 30px 90px rgba(184,255,0,.14); }
.badge { position: absolute; top: 18px; right: 18px; background: linear-gradient(135deg,var(--primary),var(--primary-2)); color: #071007; }
.price { margin: 18px 0 4px; color: #fff; font-size: 34px; line-height: 1; font-weight: 900; letter-spacing: -.05em; }
.price-suffix, .price-desc { color: var(--muted); }
.price-card ul { flex: 1; margin: 18px 0 0; padding-left: 18px; color: #e9f1e6; font-weight: 650; }
.price-card li { margin-bottom: 8px; }
.pkg-btn { width: 100%; margin-top: 22px; text-align: center; }
.pricing-note { text-align: center; font-size: 13px; margin-top: 22px; }
.faq-list { display: grid; gap: 14px; }
summary { cursor: pointer; color: #fff; font-weight: 900; }
details p { margin-bottom: 0; }
.contact-card { display: grid; grid-template-columns: .9fr 1.1fr; gap: 38px; padding: 38px; }
.contact-form { display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 8px; color: #fff; font-weight: 850; }
.form-note { margin: 0; font-size: 13px; }
.footer { padding: 42px 0; border-top: 1px solid rgba(255,255,255,.08); background: #030403; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 28px; }
.footer a:hover { color: var(--primary); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (max-width: 1100px) {
  .pricing-grid-4 { grid-template-columns: repeat(2,1fr); }
  .service-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 78px; left: 16px; right: 16px; display: none; flex-direction: column; align-items: stretch; gap: 12px; padding: 18px; background: rgba(8,10,8,.96); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .hero-grid, .split, .contact-card, .footer-grid { grid-template-columns: 1fr; }
  .cards-3, .service-grid, .metrics-grid, .pricing-grid-4 { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .section { padding: 70px 0; }
  .hero { padding-top: 56px; min-height: auto; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 24px, 1120px); }
  .brand-logo { width: 150px; height: 44px; }
  .hero-actions .btn, .practice-actions .mock-button, .practice-actions .practice-cta { width: 100%; }
  .contact-card, .demo-card, .price-card, .process-card, .card, .service-card { padding: 22px; }
}