:root {
  --bg: #07111f;
  --bg-soft: #101c31;
  --panel: rgba(14, 24, 42, 0.84);
  --panel-border: rgba(132, 175, 255, 0.14);
  --text: #ecf3ff;
  --muted: #9db0d0;
  --accent: #73e6bb;
  --accent-strong: #43c897;
  --secondary: #7ba4ff;
  --warn: #ffb787;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
  --font: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font);
  background:
    radial-gradient(circle at top left, rgba(123, 164, 255, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(115, 230, 187, 0.14), transparent 24%),
    linear-gradient(180deg, #07111f 0%, #081324 42%, #091424 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(255,255,255,0.28), transparent 80%);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: radial-gradient(circle, rgba(255,255,255,0.35) 0.7px, transparent 0.7px);
  background-size: 22px 22px;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; border: 0; }

.layout {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 52px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #08111f;
  background: linear-gradient(135deg, var(--accent), #d4fff1);
  box-shadow: 0 16px 30px rgba(115, 230, 187, 0.22);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-text small,
.eyebrow,
.mini-label,
.hero-text,
.stats-grid span,
.feature-card p,
.plan p,
.audit-row span,
.faq-card p,
.site-footer p,
.feedback,
.modal-grid span {
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #d9e4fb;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after { transform: scaleX(1); }

.solid-button,
.outline-button,
.tiny-button,
.switch-chip {
  border-radius: 999px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.solid-button,
.outline-button { padding: 13px 20px; font-weight: 700; }
.solid-button {
  color: #08111f;
  background: linear-gradient(135deg, var(--accent), #d2fff0);
  box-shadow: 0 18px 28px rgba(115, 230, 187, 0.22);
}

.outline-button,
.tiny-button,
.switch-chip {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
}

.tiny-button { padding: 10px 14px; min-width: 72px; }
.solid-button:hover,
.outline-button:hover,
.tiny-button:hover,
.switch-chip:hover { transform: translateY(-2px); }
.full-width { width: 100%; }

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
  align-items: start;
}

.hero-copy { padding: 38px 8px 24px 0; }
.eyebrow,
.mini-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-head h2,
.security-copy h2 {
  margin: 16px 0 18px;
  line-height: 1.03;
  letter-spacing: -0.045em;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(3.1rem, 5vw, 5.3rem);
}

.hero-text,
.security-copy p {
  max-width: 62ch;
  line-height: 1.8;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
}

.stats-grid,
.feature-grid,
.plans-grid,
.modal-grid,
.faq-grid,
.metric-list {
  display: grid;
  gap: 18px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 40px;
}

.stats-grid strong,
.metric-list strong,
.audit-row strong,
.modal-grid strong { display: block; margin-bottom: 6px; }

.hero-panels { display: grid; gap: 20px; }

.panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(255,255,255,0.08), transparent 44%);
}

.panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.panel-head.compact { align-items: center; }
.panel-head h2,
.section-head h2,
.security-copy h2,
.modal-card h2 { font-size: clamp(1.45rem, 3vw, 2.2rem); }
.panel-head h2 { margin: 6px 0 0; }

.status-chip {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  color: #08111f;
  background: linear-gradient(135deg, var(--secondary), #d9e5ff);
}

.login-form { display: grid; gap: 16px; margin-top: 24px; }
.login-form label,
.range-block { display: grid; gap: 10px; }
.login-form input {
  width: 100%;
  padding: 15px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(132, 175, 255, 0.16);
  background: rgba(5, 11, 21, 0.56);
  color: var(--text);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.login-form input:focus,
.range-block input:focus-visible {
  border-color: rgba(115, 230, 187, 0.8);
  box-shadow: 0 0 0 4px rgba(115, 230, 187, 0.14);
}

.password-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.options-row,
.checkbox-line,
.site-footer,
.footer-links,
.billing-switch,
.audit-row {
  display: flex;
  align-items: center;
}

.options-row {
  justify-content: space-between;
  gap: 16px;
}

.checkbox-line { gap: 8px; }
.checkbox-line input { width: 16px; height: 16px; accent-color: var(--accent); }
.feedback { min-height: 1.3em; margin: 0; }
.feedback.ok { color: var(--accent); }
.feedback.bad { color: var(--warn); }

.ring {
  width: min(250px, 100%);
  aspect-ratio: 1;
  padding: 18px;
  margin: 26px auto 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--secondary) 0deg, var(--accent) 244deg, rgba(255,255,255,0.08) 244deg 360deg);
  transition: background 220ms ease;
}

.ring-core {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  background: radial-gradient(circle at top, rgba(25, 40, 68, 0.96), rgba(7, 12, 22, 0.99));
}

.ring-core strong { font-size: 2rem; }
.ring-core span { color: var(--muted); }
.range-block input[type="range"] { width: 100%; accent-color: var(--accent); }
.metric-list { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 20px; }
.metric-list article,
.audit-row,
.modal-grid article,
.stats-grid article { padding: 16px; border-radius: 18px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06); }

.section { margin-top: 84px; }
.section-head { margin-bottom: 26px; }
.section-head h2,
.security-copy h2 { max-width: 14ch; }
.feature-grid,
.plans-grid,
.faq-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-id,
.plan-name {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.feature-id {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: var(--accent);
  background: rgba(115, 230, 187, 0.12);
}
.feature-card h3,
.plan h3,
.faq-card h3 { margin: 18px 0 10px; }
.split { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.billing-switch {
  gap: 8px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.07);
}
.switch-chip { padding: 11px 16px; font-weight: 700; }
.switch-chip span { color: var(--accent); font-size: 0.78rem; }
.switch-chip.active {
  color: #08111f;
  background: linear-gradient(135deg, var(--accent), #d6fff2);
  border-color: transparent;
}
.plan h3 { font-size: 2.55rem; line-height: 1; }
.plan small { font-size: 1rem; color: var(--muted); }
.plan ul { margin: 0; padding-left: 18px; line-height: 1.9; color: #d7e3fc; }
.plan.featured { border-color: rgba(115, 230, 187, 0.38); transform: translateY(-8px); }
.plan.selected { outline: 2px solid rgba(115, 230, 187, 0.85); }

.security-layout {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 22px;
  align-items: center;
}
.audit-board { display: grid; gap: 14px; }
.audit-row { justify-content: space-between; gap: 14px; }
.site-footer { justify-content: space-between; gap: 20px; padding: 36px 0 8px; }
.footer-links { gap: 18px; color: #d5e1fb; }

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3, 8, 16, 0.68);
  backdrop-filter: blur(18px);
}
.modal[hidden] { display: none; }
.modal-card { width: min(100%, 720px); }
.modal-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 20px; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .site-header,
  .split,
  .site-footer { flex-direction: column; align-items: flex-start; }
  .hero,
  .security-layout,
  .feature-grid,
  .plans-grid,
  .faq-grid,
  .modal-grid { grid-template-columns: 1fr; }
  .hero-copy { padding-right: 0; }
  .section-head h2,
  .security-copy h2,
  .hero-copy h1 { max-width: none; }
  .plan.featured { transform: none; }
}

@media (max-width: 760px) {
  .layout { width: min(calc(100% - 20px), var(--max-width)); padding-top: 18px; }
  .site-nav { flex-wrap: wrap; gap: 14px; }
  .hero-actions,
  .options-row,
  .metric-list,
  .stats-grid { grid-template-columns: 1fr; display: grid; }
  .password-row { grid-template-columns: 1fr; }
  .panel { padding: 22px; border-radius: 22px; }
  .hero-copy h1 { font-size: clamp(2.55rem, 11vw, 4.1rem); }
}