:root {
  --bg: #04060e;
  --bg-elevated: #0a101f;
  --panel: #0a101f;
  --panel-2: #0d1426;
  --line: #1b2540;
  --line-soft: #141d33;
  --text: #e8eefc;
  --text-dim: #8fa0c4;
  --text-faint: #5a6a8f;
  --blue: #2f7bff;
  --blue-bright: #4da3ff;
  --cyan: #22d3ee;
  --green: #22c55e;
  --green-bright: #4ade80;
  --purple: #a855f7;
  --purple-bright: #c084fc;
  --gold: #f5b62e;
  --es-accent: #c084fc;
  --r-lg: 18px;
  --r-md: 12px;
  --r-sm: 8px;
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, .45);
  --shadow-glow: 0 0 60px rgba(168, 85, 247, .15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  background:
    radial-gradient(1100px 520px at 15% -5%, rgba(168, 85, 247, .11), transparent 55%),
    radial-gradient(900px 480px at 85% 20%, rgba(47, 123, 255, .1), transparent 55%),
    radial-gradient(600px 400px at 50% 100%, rgba(34, 197, 94, .06), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--blue-bright); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--purple-bright); outline-offset: 2px; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* Nav */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(4, 6, 14, .88);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 20px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: inherit; text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand .bolt {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, #7c3aed, var(--es-accent));
  display: grid; place-items: center;
  box-shadow: 0 0 22px rgba(168, 85, 247, .45);
  font-weight: 900; color: #fff; font-size: .72rem; letter-spacing: .04em;
}
.brand strong { font-size: .95rem; letter-spacing: .06em; }
.brand span { display: block; font-size: .66rem; color: var(--text-faint); }
.nav-links { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-dim); font-size: .84rem; font-weight: 600;
  padding: 8px 12px; border-radius: 8px;
}
.nav-links a:hover { color: var(--text); background: rgba(168, 85, 247, .1); text-decoration: none; }
.nav-actions { display: flex; gap: 8px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 10px; font-size: .84rem;
  font-weight: 700; cursor: pointer; border: 1px solid transparent;
  transition: background .15s, border-color .15s, transform .12s, box-shadow .15s;
  text-decoration: none; color: inherit;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-lg { padding: 13px 22px; font-size: .9rem; }
.btn-ghost {
  background: rgba(255, 255, 255, .03); border-color: var(--line);
  color: var(--text-dim);
}
.btn-ghost:hover { border-color: var(--purple); color: var(--text); }
.btn-primary {
  background: linear-gradient(135deg, #6d28d9, #8b5cf6);
  color: #fff; border-color: rgba(139, 92, 246, .5);
  box-shadow: 0 6px 24px rgba(109, 40, 217, .4);
}
.btn-primary:hover {
  filter: brightness(1.06); color: #fff;
  box-shadow: 0 8px 28px rgba(109, 40, 217, .5);
}

/* Hero */
.hero { padding: 48px 0 32px; }
.hero-grid {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 36px;
  align-items: center;
}
.hero-copy { max-width: 520px; }
.hero-badge {
  display: inline-block; font-size: .68rem; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--es-accent); border: 1px solid rgba(192, 132, 252, .35);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
  background: rgba(168, 85, 247, .08);
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 2.85rem); font-weight: 900;
  line-height: 1.08; letter-spacing: -.03em; margin-bottom: 16px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--purple-bright), var(--blue-bright));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead {
  font-size: 1.02rem; color: var(--text-dim);
  margin-bottom: 24px; line-height: 1.65;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.hero-checklist {
  list-style: none; display: flex; flex-direction: column; gap: 8px;
  font-size: .82rem; color: var(--text-dim);
}
.hero-checklist li::before {
  content: "✓ "; color: var(--green-bright); font-weight: 800;
}

.hero-visual { position: relative; }
.hero-preview {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(192, 132, 252, .25);
}

/* Trust strip */
.trust-strip {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(10, 16, 31, .6);
  padding: 20px 0;
}
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  text-align: center;
}
.trust-grid b {
  display: block; font-size: 1.1rem; font-weight: 900;
  color: var(--es-accent); margin-bottom: 4px;
}
.trust-grid span { font-size: .76rem; color: var(--text-faint); }

/* Sections */
section { padding: 56px 0; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 { font-size: 1.65rem; font-weight: 900; margin-bottom: 10px; letter-spacing: -.02em; }
.section-head p { color: var(--text-dim); max-width: 580px; margin: 0 auto; font-size: .95rem; }

/* How it works */
.how-steps {
  list-style: none; display: grid;
  grid-template-columns: repeat(4, 1fr); gap: 14px;
  counter-reset: none;
}
.how-steps li {
  background: linear-gradient(180deg, var(--panel), #080d1a);
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 22px 18px;
}
.step-n {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 8px;
  background: rgba(168, 85, 247, .2); color: var(--es-accent);
  font-size: .78rem; font-weight: 900; margin-bottom: 12px;
}
.how-steps h3 { font-size: .92rem; font-weight: 800; margin-bottom: 8px; }
.how-steps p { font-size: .82rem; color: var(--text-dim); line-height: 1.5; }

/* Features */
.feature-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.feature-card {
  background: linear-gradient(180deg, var(--panel), #080d1a);
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 22px; transition: border-color .2s, transform .15s;
}
.feature-card:hover {
  border-color: rgba(192, 132, 252, .35);
  transform: translateY(-2px);
}
.feature-card .ico {
  width: 44px; height: 44px; border-radius: 11px;
  display: grid; place-items: center; font-weight: 800;
  margin-bottom: 14px; font-size: .78rem;
}
.feature-card .ico.chg { background: rgba(34, 197, 94, .15); color: var(--green-bright); }
.feature-card .ico.drw { background: rgba(47, 123, 255, .15); color: var(--blue-bright); }
.feature-card .ico.rgn { background: rgba(168, 85, 247, .15); color: var(--purple-bright); }
.feature-card .ico.es { background: rgba(192, 132, 252, .18); color: var(--es-accent); }
.feature-card h3 { font-size: .95rem; margin-bottom: 8px; font-weight: 800; }
.feature-card p { font-size: .84rem; color: var(--text-dim); line-height: 1.55; }

/* Plans — side-by-side comparison table */
.plan-compare-wrap { width: 100%; }
.plan-compare-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--panel), #080d1a);
  box-shadow: var(--shadow-lg);
}
.plan-compare {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: .82rem;
}
.plan-compare th,
.plan-compare td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}
.plan-compare thead th {
  border-bottom: 1px solid var(--line);
}
.plan-compare tbody tr:last-child td,
.plan-compare tbody tr:last-child th {
  border-bottom: none;
}
.plan-compare tbody tr:hover td,
.plan-compare tbody tr:hover th.feat-col {
  background: rgba(168, 85, 247, .04);
}
.feat-col {
  text-align: left;
  font-weight: 600;
  color: var(--text-dim);
  width: 28%;
  min-width: 160px;
}
.plan-col {
  text-align: center;
  width: 18%;
  min-width: 120px;
}
.plan-col.featured {
  background: rgba(168, 85, 247, .06);
  border-left: 1px solid rgba(168, 85, 247, .2);
  border-right: 1px solid rgba(168, 85, 247, .2);
}
.plan-compare-head .plan-col {
  padding-top: 18px;
  padding-bottom: 16px;
  vertical-align: top;
}
.plan-popular {
  display: inline-block;
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(245, 182, 46, .12);
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 8px;
}
.plan-name {
  display: block;
  font-size: .88rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}
.plan-price {
  display: block;
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 12px;
}
.plan-price small {
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-faint);
}
.btn-sm {
  padding: 8px 14px;
  font-size: .76rem;
  width: 100%;
  max-width: 140px;
}
.mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  line-height: 1;
}
.mark.yes {
  color: var(--green-bright);
  font-size: 1.1rem;
}
.mark.no {
  color: #f87171;
  font-size: 1rem;
  opacity: 0.85;
}
.mark.text {
  font-weight: 700;
  color: var(--text);
  font-size: .8rem;
}
.plan-compare-legend {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 14px;
  font-size: .8rem;
  color: var(--text-dim);
}
.plan-compare-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.plan-compare-notes {
  max-width: 720px;
  margin: 16px auto 0;
  padding: 0 16px;
  list-style: disc;
  color: var(--text-faint);
  font-size: .78rem;
  line-height: 1.45;
}
.plan-compare-notes li + li { margin-top: 6px; }
.plans-note { text-align: center; margin-top: 20px; font-size: .82rem; color: var(--text-faint); }
.plans-loading { text-align: center; color: var(--text-dim); padding: 40px; }

/* Contact */
.contact-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px; align-items: start;
}
.contact-panel {
  background: var(--panel); border: 1px solid var(--line-soft);
  border-radius: var(--r-lg); padding: 26px;
}
.contact-panel.accent {
  background: linear-gradient(160deg, rgba(109, 40, 217, .12), var(--panel));
  border-color: rgba(168, 85, 247, .25);
}
.contact-panel h3 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 800; }
.contact-panel p { color: var(--text-dim); font-size: .88rem; margin-bottom: 16px; }
.field { margin-bottom: 14px; }
.field label {
  display: block; font-size: .7rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--text); font: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(192, 132, 252, .5); outline: none;
}
.field textarea { min-height: 120px; resize: vertical; }
.contact-status { font-size: .84rem; margin-top: 10px; min-height: 1.2em; }
.contact-status.ok { color: var(--green-bright); }
.contact-status.err { color: #f87171; }
.contact-links { display: flex; flex-direction: column; gap: 10px; }
.contact-links a {
  display: block; padding: 14px 16px; border-radius: 10px;
  background: var(--panel-2); border: 1px solid var(--line-soft);
  color: var(--text); text-decoration: none;
}
.contact-links a:hover { border-color: var(--purple); text-decoration: none; }
.contact-links small { display: block; color: var(--text-faint); font-size: .76rem; margin-top: 3px; }
.contact-signed { margin-top: 20px; font-size: .84rem; color: var(--text-faint); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 32px 0 48px; margin-top: 12px;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; flex-wrap: wrap;
}
.footer-brand strong { display: block; font-size: .9rem; letter-spacing: .04em; }
.footer-brand span { font-size: .78rem; color: var(--text-faint); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { font-size: .8rem; color: var(--text-dim); }

/* Platform preview */
.preview-frame {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--panel), #060a14);
  overflow: hidden;
}
.preview-chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-bottom: 1px solid var(--line-soft);
  background: #070c18;
}
.preview-dot { width: 8px; height: 8px; border-radius: 50%; background: #334155; }
.preview-url {
  font-size: .72rem; color: var(--text-faint); margin-left: 6px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}
.preview-lock {
  margin-left: auto; font-size: .62rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--es-accent); padding: 4px 8px;
  border-radius: 6px; background: rgba(168, 85, 247, .12);
  border: 1px solid rgba(192, 132, 252, .3);
}
.preview-app { min-height: 280px; }
.preview-main { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.preview-main.full { padding: 14px; }
.preview-topbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: .72rem; font-weight: 700;
}
.preview-topbar .online { color: var(--green-bright); }
.preview-topbar .badge-live {
  font-size: .6rem; letter-spacing: .06em;
  padding: 4px 8px; border-radius: 999px;
  border: 1px solid rgba(34, 197, 94, .4);
  color: var(--green-bright); background: rgba(34, 197, 94, .1);
}
.preview-user { margin-left: auto; color: var(--text-dim); }
.preview-grid { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 10px; }
.preview-panel {
  border: 1px solid var(--line-soft); border-radius: var(--r-md);
  padding: 10px; background: var(--panel-2);
  display: flex; flex-direction: column; gap: 8px;
}
.preview-panel small {
  font-size: .56rem; letter-spacing: .1em; font-weight: 800;
  color: var(--text-faint);
}
.preview-src {
  display: flex; gap: 8px; align-items: center;
  padding: 8px; border-radius: 8px; background: #0a101f;
  border: 1px solid var(--line-soft);
}
.preview-src.dim { opacity: .6; }
.preview-src .ico {
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center; font-size: .62rem; font-weight: 900;
}
.preview-src .ico.es {
  background: rgba(192, 132, 252, .2); color: var(--es-accent);
  box-shadow: 0 0 12px rgba(192, 132, 252, .25);
}
.preview-src .ico.es-dim {
  background: rgba(192, 132, 252, .1); color: rgba(192, 132, 252, .7);
}
.preview-src .ico.es-out {
  background: rgba(168, 85, 247, .22); color: var(--purple-bright);
}
.preview-src b { display: block; font-size: .74rem; }
.preview-src small { color: var(--text-faint); font-size: .62rem; }
.preview-tank { align-items: stretch; }
.tank-visual {
  position: relative; flex: 1; min-height: 130px;
  border-radius: 10px; border: 1px solid var(--line);
  background: linear-gradient(180deg, #0a1224, #060a14);
  overflow: hidden;
}
.tank-fill {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(180deg, rgba(192, 132, 252, .2), rgba(34, 197, 94, .5));
  border-top: 1px solid rgba(74, 222, 128, .55);
}
.tank-fill.animated {
  animation: tankPulse 4s ease-in-out infinite;
}
@keyframes tankPulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.12); }
}
.tank-glow {
  position: absolute; bottom: 0; left: 10%; right: 10%; height: 40%;
  background: radial-gradient(ellipse at center, rgba(74, 222, 128, .25), transparent 70%);
  pointer-events: none;
}
.tank-label {
  position: absolute; inset: 0; display: grid; place-items: center;
  text-align: center; line-height: 1.2; z-index: 1;
}
.tank-label b { font-size: 1.75rem; color: var(--green-bright); font-weight: 900; }
.tank-label small {
  font-size: .56rem; letter-spacing: .12em; color: var(--text-dim);
  font-weight: 800;
}
.tank-label span { font-size: .68rem; color: var(--text-faint); }
.preview-flow {
  display: flex; gap: 6px; flex-wrap: wrap; font-size: .6rem; font-weight: 800;
}
.preview-flow .chg { color: var(--green-bright); }
.preview-flow .drw { color: var(--blue-bright); }
.preview-flow .rgn { color: var(--purple-bright); }
.preview-cta {
  border-top: 1px solid var(--line-soft);
  padding: 14px 18px; display: flex; align-items: center;
  justify-content: space-between; gap: 12px; flex-wrap: wrap;
  background: rgba(109, 40, 217, .08);
}
.preview-cta.compact p { font-size: .82rem; color: var(--text-dim); }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: none; text-align: center; }
  .hero-cta, .hero-checklist { justify-content: center; }
  .hero-checklist { align-items: center; }
  .how-steps, .feature-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .how-steps, .feature-grid, .trust-grid { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
}