:root {
  --bg: #081412;
  --bg-2: #0d1f1b;
  --panel: #102821;
  --panel-2: #143329;
  --text: #eef7f2;
  --muted: #b6c9c0;
  --line: rgba(184, 226, 204, 0.18);
  --green: #37d67a;
  --green-dark: #18a957;
  --blue: #6db7ff;
  --warning: #f1c76b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius: 8px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(55, 214, 122, 0.12), transparent 28rem),
    linear-gradient(180deg, #07110f 0%, #0b1816 42%, #0f1d1a 100%);
}

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px max(20px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(8, 20, 18, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 225px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(55, 214, 122, 0.45);
  border-radius: var(--radius);
  color: #06100d;
  background: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.93rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  min-height: calc(100vh - 75px);
  display: grid;
  align-items: center;
  padding: 92px 0 64px;
}

.hero-grid,
.split,
.cta-box {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 880px;
  margin-bottom: 22px;
  font-size: clamp(2.45rem, 5vw, 5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
  line-height: 1.25;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.18rem;
}

.notice {
  display: inline-flex;
  max-width: 720px;
  padding: 12px 14px;
  border: 1px solid rgba(241, 199, 107, 0.35);
  border-radius: var(--radius);
  color: #ffe4a1;
  background: rgba(241, 199, 107, 0.08);
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #06100d;
  background: var(--green);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #65ee9b;
}

.button.secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.button.secondary:hover,
.button.secondary:focus-visible,
.card-button:hover,
.card-button:focus-visible {
  border-color: rgba(55, 214, 122, 0.55);
  background: rgba(55, 214, 122, 0.12);
}

.signal-panel,
.check-panel,
.price-card,
.service-card,
.reason-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  box-shadow: var(--shadow);
}

.signal-panel {
  padding: 24px;
}

.signal-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(55, 214, 122, 0.13);
}

.signal-panel dl {
  margin: 18px 0;
}

.signal-panel div:not(.signal-top):not(.terminal-lines) {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.signal-panel dt {
  color: var(--blue);
  font-weight: 800;
}

.signal-panel dd {
  margin: 4px 0 0;
  color: var(--muted);
}

.terminal-lines {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  color: #9ef4bf;
  font-family: Consolas, Monaco, monospace;
  font-size: 0.9rem;
}

.terminal-lines span {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.32);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading.narrow {
  max-width: 720px;
}

.card-grid,
.pricing-grid,
.reason-grid,
.problem-list {
  display: grid;
  gap: 16px;
}

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-card,
.reason-grid article,
.price-card {
  padding: 22px;
}

.service-card p,
.reason-grid p,
.price-card p,
.check-panel li {
  color: var(--muted);
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: var(--radius);
  color: #06100d;
  background: linear-gradient(135deg, var(--green), #9ee8c0);
  font-size: 0.82rem;
  font-weight: 900;
}

.split-band,
.pricing-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.check-panel {
  padding: 28px;
  background-color: var(--panel);
}

.check-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 10px 0 10px 30px;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 14px;
  height: 8px;
  border-left: 3px solid var(--green);
  border-bottom: 3px solid var(--green);
  transform: rotate(-45deg);
}

.reason-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pricing-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.price-card {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  background-color: var(--panel);
}

.price-card.featured {
  border-color: rgba(55, 214, 122, 0.55);
}

.price {
  margin-bottom: 12px;
  color: var(--text);
  font-size: 2.6rem;
  line-height: 1;
  font-weight: 900;
}

.price span {
  color: var(--muted);
  font-size: 1rem;
}

.card-button {
  width: 100%;
  margin-top: auto;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.05);
}

.problem-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  list-style: none;
}

.problem-list li {
  min-height: 58px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
}

.final-cta {
  padding-top: 36px;
}

.cta-box {
  padding: 34px;
  border: 1px solid rgba(55, 214, 122, 0.4);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(55, 214, 122, 0.12), rgba(109, 183, 255, 0.07)),
    var(--panel-2);
}

.cta-box p:not(.eyebrow) {
  color: var(--muted);
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #06100e;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.footer-grid p {
  margin: 0;
}

.footer-grid a {
  color: var(--green);
  font-weight: 800;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #07110f;
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .hero-grid,
  .split,
  .cta-box {
    grid-template-columns: 1fr;
  }

  .card-grid.four,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .problem-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .section {
    padding: 62px 0;
  }

  .site-header {
    padding-left: 14px;
    padding-right: 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.85rem;
  }

  .actions,
  .button {
    width: 100%;
  }

  .card-grid.four,
  .pricing-grid,
  .reason-grid,
  .problem-list {
    grid-template-columns: 1fr;
  }

  .price-card {
    min-height: auto;
  }

  .cta-box {
    padding: 24px;
  }
}
