:root {
  color-scheme: dark;
  --page: #07111b;
  --surface: #101a25;
  --surface-soft: #162434;
  --text: #f5f8fb;
  --muted: #aebccc;
  --line: rgba(255, 255, 255, .14);
  --green: #21d18b;
  --cyan: #4fdcff;
  --blue: #5d8cff;
  --gold: #ffd166;
  --purple: #9b8cff;
  --shadow: 0 22px 60px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 0%, rgba(79, 220, 255, .16), transparent 28rem),
    radial-gradient(circle at 88% 8%, rgba(155, 140, 255, .14), transparent 26rem),
    linear-gradient(180deg, #050a10 0, var(--page) 34rem, #0b121b 100%);
}

img {
  display: block;
  max-width: 100%;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  z-index: 20;
  top: .7rem;
  left: .7rem;
  transform: translateY(-160%);
  padding: .75rem 1rem;
  border-radius: 8px;
  color: #04110c;
  background: var(--green);
  font-weight: 900;
}

.skip-link:focus { transform: translateY(0); }

.site-header,
main,
footer {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 28px rgba(33, 118, 209, .25);
  font-weight: 950;
}

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

.brand strong { font-weight: 900; }

.brand small {
  color: var(--muted);
  font-size: .84rem;
}

nav {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
}

nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 .9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, .055);
  text-decoration: none;
  font-weight: 800;
}

nav a:hover,
nav a:focus-visible {
  border-color: rgba(79, 220, 255, .58);
  outline: none;
}

nav .nav-buy {
  color: #04110c;
  border-color: transparent;
  background: var(--green);
}

.hero {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 3.4rem 0 2rem;
}

.hero-copy { max-width: 720px; }

.back-link {
  display: inline-flex;
  margin-bottom: 1.4rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
}

.back-link:hover,
.back-link:focus-visible { color: var(--cyan); }

.eyebrow {
  margin: 0 0 .7rem;
  color: var(--cyan);
  font-size: .82rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.045em;
}

h2 {
  margin-bottom: .7rem;
  font-size: clamp(1.8rem, 3.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -.025em;
}

h3 {
  margin-bottom: .45rem;
  font-size: 1.2rem;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-lead {
  max-width: 680px;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  gap: .7rem;
  flex-wrap: wrap;
  margin: 1.45rem 0 .75rem;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .2rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 950;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button-primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 16px 36px rgba(60, 123, 218, .3);
}

.button-secondary { background: rgba(255, 255, 255, .055); }

.offer-note {
  margin-bottom: 0;
  font-size: .9rem;
}

.product-cover {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.product-cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-cover figcaption,
.visual-grid figcaption {
  padding: .85rem 1rem;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.5;
}

.trust-strip {
  display: grid;
  gap: .75rem;
  margin: 1rem 0 4rem;
}

.trust-strip article {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .05);
}

.trust-strip strong,
.trust-strip span { display: block; }

.trust-strip strong {
  margin-bottom: .3rem;
  color: var(--green);
  font-size: 1.12rem;
}

.trust-strip span {
  color: var(--muted);
  font-size: .9rem;
}

.section { padding: 3.5rem 0; }

.section + .section { border-top: 1px solid var(--line); }

.section-heading { max-width: 800px; }

.split-copy {
  display: grid;
  gap: 1rem;
}

.split-copy p { margin-bottom: 0; }

.feature-grid,
.faq-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.feature-grid article,
.faq-grid article {
  min-height: 180px;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(150deg, rgba(79, 220, 255, .065), rgba(155, 140, 255, .045)),
    var(--surface);
  box-shadow: var(--shadow);
}

.feature-number {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--green);
  font-weight: 950;
}

.feature-grid p,
.faq-grid p { margin-bottom: 0; }

.faq-grid a { color: var(--cyan); }

.visual-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.visual-grid figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.visual-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.workflow-list {
  display: grid;
  gap: .8rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .045);
}

.workflow-list > li > span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #04110c;
  background: var(--green);
  font-weight: 950;
}

.workflow-list p { margin-bottom: 0; }

.privacy-section {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.privacy-copy { max-width: 700px; }

.boundary-card {
  padding: 1.2rem;
  border: 1px solid rgba(255, 209, 102, .35);
  border-radius: 8px;
  background:
    linear-gradient(150deg, rgba(255, 209, 102, .08), rgba(255, 255, 255, .025)),
    var(--surface);
}

.boundary-card h3 { color: var(--gold); }

.boundary-card ul {
  margin: .8rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.boundary-card li + li { margin-top: .6rem; }

.purchase-section {
  display: grid;
  gap: 1.4rem;
  align-items: center;
  margin: 2rem 0 4rem;
  padding: 1.5rem;
  border: 1px solid rgba(79, 220, 255, .32);
  border-radius: 10px;
  background:
    radial-gradient(circle at 100% 0%, rgba(79, 220, 255, .14), transparent 22rem),
    linear-gradient(145deg, rgba(93, 140, 255, .12), rgba(33, 209, 139, .06)),
    var(--surface);
  box-shadow: var(--shadow);
}

.purchase-section p { margin-bottom: .5rem; }

.coupon-note strong { color: var(--gold); }

.purchase-button { min-width: 230px; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

footer strong { font-size: 1.05rem; }

footer p {
  max-width: 600px;
  margin: .45rem 0 0;
}

@media (min-width: 680px) {
  .trust-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .feature-grid,
  .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-copy { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .visual-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 920px) {
  .hero { grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); }
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .privacy-section { grid-template-columns: minmax(0, 1fr) 380px; }
  .purchase-section { grid-template-columns: minmax(0, 1fr) auto; padding: 2rem; }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav { width: 100%; }

  nav a { flex: 1 1 auto; }

  .hero { padding-top: 2.2rem; }

  .section { padding: 2.7rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after { transition: none !important; }
}