:root {
  --cyan: #22f4ff;
  --green: #93e65f;
  --green-strong: #0cff8f;
  --bg: #02050d;
  --panel: #1d1d1d;
  --panel-soft: rgba(4, 11, 20, 0.82);
  --border: rgba(147, 230, 95, 0.18);
  --border-cyan: rgba(34, 244, 255, 0.2);
  --muted: #c6d8e5;
  --text: #f4fbff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(90deg, rgba(34, 244, 255, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(12, 255, 143, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 12% 5%, rgba(12, 255, 143, 0.16), transparent 28%),
    radial-gradient(circle at 86% 10%, rgba(34, 244, 255, 0.08), transparent 26%),
    var(--bg);
  background-size: 42px 42px, 42px 42px, auto, auto, auto;
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 22%, rgba(0, 0, 0, 0.32));
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
main,
footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 5;
  top: 0;
  display: grid;
  min-height: 88px;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(34, 244, 255, 0.48);
  border-radius: 12px;
  background: rgba(4, 11, 20, 0.9);
  color: var(--green-strong);
  font-weight: 950;
}

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

.brand strong {
  font-size: 18px;
}

.brand small {
  margin-top: 3px;
  color: var(--green);
  font-size: 10px;
  font-weight: 950;
}

nav {
  display: flex;
  justify-content: center;
  gap: 26px;
  color: #dffbff;
  font-size: 14px;
  font-weight: 850;
}

nav a,
.brand,
.header-cta,
.primary-link,
.secondary-link,
.plan-card a,
.intro-band a,
.faq-cta {
  transition:
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

nav a:hover,
.brand:hover,
footer a:hover {
  color: var(--green);
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(147, 230, 95, 0.3);
  border-radius: 8px;
  padding: 0 16px;
  background: rgba(147, 230, 95, 0.12);
  color: #ffffff;
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  min-height: calc(100vh - 88px);
  align-items: center;
  gap: 56px;
  padding: 48px 0 76px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  font-size: clamp(48px, 7vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy > p:not(.eyebrow),
.section-heading > p,
.purchase-box > p,
.steps p,
.plan-card p,
.feature-card p,
.compatibility p,
.faq-list p {
  color: var(--muted);
  font-size: 15px;
  font-weight: 760;
  line-height: 1.62;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 650px;
  margin-top: 22px;
}

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

.primary-link,
.secondary-link,
.plan-card a,
.intro-band a,
.faq-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 950;
}

.primary-link,
.plan-card a,
.intro-band a {
  border: 1px solid rgba(147, 230, 95, 0.34);
  background: linear-gradient(90deg, rgba(34, 244, 255, 0.12), rgba(147, 230, 95, 0.18));
}

.secondary-link {
  border: 1px solid rgba(34, 244, 255, 0.18);
  color: #dffbff;
}

.primary-link:hover,
.secondary-link:hover,
.plan-card a:hover,
.intro-band a:hover,
.header-cta:hover,
.faq-cta:hover {
  border-color: rgba(147, 230, 95, 0.7);
  transform: translateY(-1px);
}

.hero-feature-stack {
  display: grid;
  gap: 14px;
}

.hero-feature-stack article {
  position: relative;
  display: grid;
  overflow: hidden;
  gap: 8px;
  border: 1px solid rgba(34, 244, 255, 0.2);
  border-radius: 10px;
  padding: 22px;
  background:
    linear-gradient(120deg, rgba(34, 244, 255, 0.1), rgba(12, 255, 143, 0.04)),
    rgba(2, 7, 14, 0.82);
}

.hero-feature-stack article::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 3px;
  content: "";
  background: linear-gradient(180deg, var(--cyan), var(--green-strong));
  opacity: 0.86;
}

.hero-feature-stack span {
  width: fit-content;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 950;
}

.hero-feature-stack h2 {
  font-size: 22px;
}

.hero-feature-stack p {
  color: var(--muted);
  font-size: 14px;
  font-weight: 780;
  line-height: 1.55;
}

.section,
.purchase-box {
  display: grid;
  gap: 26px;
  margin-bottom: 28px;
  border: 1px solid var(--border-cyan);
  border-radius: 10px;
  padding: 30px;
  background:
    linear-gradient(90deg, rgba(34, 244, 255, 0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(12, 255, 143, 0.03) 1px, transparent 1px),
    rgba(4, 11, 20, 0.86);
  background-size: 28px 28px, 28px 28px, auto;
}

.intro-band {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(34, 244, 255, 0.08), rgba(12, 255, 143, 0.05)),
    rgba(3, 9, 17, 0.96);
}

.intro-band p {
  max-width: 720px;
  color: #e9fbff;
  font-size: 20px;
  font-weight: 950;
  line-height: 1.3;
}

.section-heading {
  display: grid;
  max-width: 740px;
  gap: 10px;
}

.section-heading.centered {
  justify-self: center;
  max-width: 820px;
  text-align: center;
}

.section-heading h2,
.split h2,
.purchase-box h2,
.compatibility h2 {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.05;
  text-transform: uppercase;
}

.section-heading h2 span {
  color: var(--green);
}

.resources-section {
  border: 0;
  padding-top: 86px;
  padding-bottom: 86px;
  background: transparent;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  position: relative;
  display: grid;
  min-height: 344px;
  align-content: start;
  gap: 20px;
  overflow: hidden;
  border: 1px solid rgba(34, 244, 255, 0.22);
  border-radius: 10px;
  padding: 32px;
  background:
    linear-gradient(135deg, rgba(34, 244, 255, 0.11), transparent 42%),
    linear-gradient(180deg, rgba(12, 255, 143, 0.055), rgba(2, 7, 14, 0.58)),
    rgba(3, 10, 18, 0.48);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 24px 60px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
}

.feature-card::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(34, 244, 255, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(12, 255, 143, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.55;
}

.feature-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  content: "";
  background: linear-gradient(180deg, var(--cyan), var(--green-strong));
  opacity: 0.72;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(147, 230, 95, 0.18);
  border-radius: 10px;
  background: rgba(147, 230, 95, 0.12);
  color: var(--green);
  font-size: 14px;
  font-weight: 950;
}

.feature-card h3 {
  margin-top: 8px;
  font-size: 22px;
}

.feature-card ul {
  display: grid;
  gap: 12px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.feature-card li {
  position: relative;
  padding-left: 30px;
  color: #d8eef3;
  font-size: 14px;
  font-weight: 760;
}

.feature-card li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--green);
  content: "✓";
  font-size: 16px;
  font-weight: 950;
}

.trust-pill {
  justify-self: center;
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(34, 244, 255, 0.18);
  border-radius: 10px;
  padding: 0 24px;
  background:
    linear-gradient(90deg, rgba(34, 244, 255, 0.08), rgba(12, 255, 143, 0.05)),
    rgba(3, 10, 18, 0.54);
  backdrop-filter: blur(12px);
}

.trust-pill span {
  color: var(--green);
  font-weight: 950;
}

.trust-pill p {
  color: var(--muted);
  font-size: 15px;
  font-weight: 760;
}

.scope-disclaimer {
  display: grid;
  width: min(840px, 100%);
  justify-self: center;
  gap: 8px;
  border: 1px solid rgba(34, 244, 255, 0.16);
  border-radius: 10px;
  padding: 18px 22px;
  background: rgba(2, 7, 14, 0.78);
}

.scope-disclaimer strong {
  color: #ffffff;
  font-size: 14px;
  font-weight: 950;
  text-transform: uppercase;
}

.scope-disclaimer p {
  color: var(--muted);
  font-size: 14px;
  font-weight: 720;
  line-height: 1.58;
}

.compatibility {
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
}

.compat-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.compat-list span {
  border: 1px solid rgba(34, 244, 255, 0.15);
  border-radius: 8px;
  padding: 16px;
  background: rgba(2, 7, 14, 0.7);
  color: #f6fdff;
  font-size: 14px;
  font-weight: 950;
}

.pricing-section {
  border-color: rgba(147, 230, 95, 0.3);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.plan-card {
  display: grid;
  gap: 14px;
  border: 1px solid rgba(34, 244, 255, 0.16);
  border-radius: 8px;
  padding: 20px;
  background: rgba(2, 7, 14, 0.7);
}

.plan-card.featured {
  border-color: rgba(147, 230, 95, 0.46);
  box-shadow: 0 0 0 1px rgba(147, 230, 95, 0.08), 0 24px 70px rgba(147, 230, 95, 0.08);
}

.plan-card > span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.plan-card h3 {
  font-size: 20px;
}

.plan-card strong {
  color: var(--green);
  font-size: 30px;
}

.split {
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
}

.steps {
  display: grid;
  gap: 12px;
}

.steps article {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 8px 14px;
  border: 1px solid rgba(34, 244, 255, 0.14);
  border-radius: 8px;
  padding: 16px;
  background: rgba(2, 7, 14, 0.64);
}

.steps span {
  grid-row: span 2;
  color: var(--cyan);
  font-weight: 950;
}

.faq-section {
  border: 0;
  padding-top: 84px;
  padding-bottom: 84px;
  background: transparent;
}

.faq-list {
  display: grid;
  width: min(780px, 100%);
  justify-self: center;
  gap: 22px;
}

.faq-list details {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(34, 244, 255, 0.18);
  border-radius: 10px;
  padding: 26px;
  background:
    linear-gradient(135deg, rgba(34, 244, 255, 0.075), transparent 45%),
    linear-gradient(180deg, rgba(12, 255, 143, 0.035), rgba(2, 7, 14, 0.58)),
    rgba(3, 10, 18, 0.54);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(12px);
}

.faq-list details::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(34, 244, 255, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(12, 255, 143, 0.032) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
}

.faq-list details::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 2px;
  content: "";
  background: linear-gradient(180deg, var(--cyan), var(--green-strong));
  opacity: 0.48;
}

.faq-list summary {
  position: relative;
  z-index: 1;
  display: flex;
  cursor: pointer;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 950;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  color: var(--green);
  content: "+";
  font-size: 24px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  position: relative;
  z-index: 1;
  margin-top: 26px;
}

.faq-cta {
  justify-self: center;
  min-width: 240px;
  border: 0;
  background: var(--green);
  color: #06100a;
  text-transform: uppercase;
}

.purchase-box {
  margin-bottom: 34px;
}

.purchase-box .primary-link {
  width: fit-content;
  margin-top: 4px;
}

.checkout-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  align-items: end;
  gap: 14px;
}

.checkout-form label {
  display: grid;
  gap: 8px;
  color: #dffbff;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.checkout-form input,
.checkout-form select {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(34, 244, 255, 0.2);
  border-radius: 8px;
  outline: 0;
  padding: 0 13px;
  background: rgba(2, 7, 14, 0.9);
  color: #ffffff;
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  text-transform: none;
}

.checkout-form input:focus,
.checkout-form select:focus {
  border-color: rgba(12, 255, 143, 0.62);
  box-shadow: 0 0 0 3px rgba(12, 255, 143, 0.08);
}

.checkout-form button {
  min-height: 46px;
  border: 1px solid rgba(147, 230, 95, 0.34);
  color: #ffffff;
  cursor: pointer;
}

.checkout-result {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(34, 244, 255, 0.2);
  border-radius: 8px;
  padding: 18px;
  background: rgba(2, 7, 14, 0.76);
  color: var(--muted);
  font-size: 14px;
  font-weight: 760;
}

.checkout-result[hidden] {
  display: none;
}

.checkout-result[data-state="error"] {
  border-color: rgba(255, 92, 108, 0.38);
  color: #ffb4bd;
}

.checkout-result[data-state="success"] {
  border-color: rgba(12, 255, 143, 0.42);
}

.checkout-result div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.checkout-result strong {
  color: var(--green);
  font-size: 18px;
}

.checkout-result code {
  overflow-wrap: anywhere;
  border: 1px solid rgba(34, 244, 255, 0.14);
  border-radius: 7px;
  padding: 12px;
  background: #02050d;
  color: #dffbff;
}

.checkout-result button {
  width: fit-content;
  min-height: 38px;
  border: 1px solid rgba(34, 244, 255, 0.26);
  border-radius: 7px;
  padding: 0 14px;
  background: rgba(34, 244, 255, 0.08);
  color: #ffffff;
  cursor: pointer;
  font-weight: 900;
}

footer {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

footer span {
  color: #ffffff;
}

@media (max-width: 980px) {
  .site-header {
    position: static;
    grid-template-columns: 1fr;
    justify-items: start;
    padding: 18px 0;
  }

  nav {
    justify-content: flex-start;
  }

  .header-cta {
    justify-self: start;
  }

  .hero,
  .plans-grid,
  .split,
  .compatibility,
  .intro-band,
  .features-grid,
  .checkout-form {
    grid-template-columns: 1fr;
  }

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

  .hero {
    gap: 30px;
    min-height: auto;
    padding-top: 26px;
  }
}

@media (max-width: 620px) {
  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1160px);
  }

  nav,
  footer,
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(38px, 13vw, 54px);
  }

  .section {
    padding: 22px;
  }

  .resources-section,
  .faq-section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .feature-card,
  .faq-list details {
    padding: 22px;
  }

  .compat-list {
    grid-template-columns: 1fr;
  }
}
