:root {
  --zs-bg: #080812;
  --zs-bg-2: #0d1020;
  --zs-panel: #111124;
  --zs-panel-2: #181832;
  --zs-text: #ffffff;
  --zs-muted: #b7b7cf;
  --zs-accent: #28f5c6;
  --zs-accent-2: #ff4fd8;
  --zs-danger: #ff4f6d;
  --zs-warning: #ffd166;
  --zs-success: #30e68a;
  --zs-line: rgba(255, 255, 255, 0.14);
  --zs-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 79, 216, 0.16), transparent 28rem),
    radial-gradient(circle at 10% 10%, rgba(40, 245, 198, 0.10), transparent 24rem),
    linear-gradient(180deg, var(--zs-bg), #0a0b16 46%, #07070d);
  color: var(--zs-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--zs-accent);
  color: #051010;
  border-radius: 0.5rem;
  transform: translateY(-160%);
}

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(780px, calc(100% - 32px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--zs-line);
  background: rgba(8, 8, 18, 0.88);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--zs-text);
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(40, 245, 198, 0.65);
  border-radius: 0.75rem;
  background: linear-gradient(135deg, rgba(40, 245, 198, 0.18), rgba(255, 79, 216, 0.12));
  color: var(--zs-accent);
  font-size: 0.85rem;
}

.brand-name,
.footer-brand {
  font-size: 1.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a,
.site-footer a {
  color: var(--zs-muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.site-footer a:hover {
  color: var(--zs-text);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 1rem;
  border: 1px solid rgba(40, 245, 198, 0.55);
  border-radius: 999px;
  color: var(--zs-accent);
  text-decoration: none;
  font-weight: 700;
}

.hero {
  padding: 3.75rem 0 2.75rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--zs-accent);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: 4.35rem;
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 0.8rem;
  font-size: 2.55rem;
  line-height: 1.08;
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  line-height: 1.25;
}

.hero-subtitle,
.page-hero p,
.section-heading p,
.trust-grid p,
.format-grid p,
.legal-copy p,
.contact-aside p {
  color: var(--zs-muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.65rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  background: var(--zs-accent);
  color: #041411;
  box-shadow: 0 14px 36px rgba(40, 245, 198, 0.20);
}

.button-secondary {
  border-color: var(--zs-line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--zs-text);
}

.stage-visual {
  position: relative;
  min-height: 360px;
  padding: 2rem;
  border: 1px solid var(--zs-line);
  border-radius: 1.25rem;
  background:
    linear-gradient(145deg, rgba(24, 24, 50, 0.88), rgba(10, 10, 22, 0.96)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 26px);
  box-shadow: var(--zs-shadow);
}

.zip-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  padding: 0.45rem 0.7rem;
  border-radius: 0.5rem;
  background: var(--zs-warning);
  color: #191006;
  font-weight: 900;
}

.screen {
  display: grid;
  height: 224px;
  margin-top: 2.75rem;
  place-items: center;
  border: 10px solid #06060e;
  border-radius: 0.9rem;
  background: linear-gradient(180deg, #060611, #10102a);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.lyric {
  width: min(84%, 420px);
  padding: 0.65rem;
  border-radius: 0.4rem;
  color: #05050a;
  font-size: 2rem;
  font-weight: 950;
  line-height: 1;
  text-align: center;
}

.lyric-one {
  background: var(--zs-accent);
}

.lyric-two {
  background: var(--zs-accent-2);
}

.meters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.meters span {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--zs-accent), var(--zs-accent-2));
}

.section {
  padding: 4.5rem 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 1.5rem;
}

.feature-grid,
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card,
.content-grid article,
.contact-aside,
.contact-form,
.faq-list details {
  border: 1px solid var(--zs-line);
  border-radius: 0.75rem;
  background: rgba(17, 17, 36, 0.76);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
}

.feature-card,
.content-grid article {
  padding: 1.25rem;
}

.step-number {
  display: inline-grid;
  width: 36px;
  height: 36px;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: 999px;
  background: rgba(40, 245, 198, 0.15);
  color: var(--zs-accent);
  font-weight: 900;
}

.feature-card p,
.content-grid p,
.faq-list p,
.fine-print {
  color: var(--zs-muted);
}

.section-trust {
  border-block: 1px solid var(--zs-line);
  background: rgba(255, 255, 255, 0.035);
}

.trust-grid,
.format-grid,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.check-list {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--zs-muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.54rem;
  left: 0;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  background: var(--zs-success);
}

.text-link {
  color: var(--zs-accent);
  font-weight: 800;
}

.page-hero {
  padding: 4rem 0 2rem;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-list details {
  padding: 1rem 1.15rem;
}

.faq-list summary {
  color: var(--zs-text);
  cursor: pointer;
  font-weight: 800;
}

.legal-copy h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.contact-layout {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
}

.contact-form,
.contact-aside {
  padding: 1.25rem;
}

.contact-form {
  display: grid;
  gap: 0.8rem;
}

label {
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--zs-line);
  border-radius: 0.55rem;
  background: rgba(0, 0, 0, 0.22);
  color: var(--zs-text);
  font: inherit;
}

input {
  padding: 0 0.85rem;
}

textarea {
  padding: 0.85rem;
  resize: vertical;
}

input:focus,
textarea:focus,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(40, 245, 198, 0.6);
  outline-offset: 3px;
}

.hidden-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.notice {
  padding: 0.85rem 1rem;
  border-radius: 0.65rem;
}

.notice ul {
  margin: 0.4rem 0 0;
}

.notice-success {
  border: 1px solid rgba(48, 230, 138, 0.5);
  background: rgba(48, 230, 138, 0.12);
}

.notice-error {
  border: 1px solid rgba(255, 79, 109, 0.5);
  background: rgba(255, 79, 109, 0.12);
}

.site-footer {
  border-top: 1px solid var(--zs-line);
  padding: 2.2rem 0;
  background: rgba(0, 0, 0, 0.24);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 2rem;
  align-items: start;
}

.site-footer nav {
  display: grid;
  gap: 0.35rem;
}

.fine-print {
  max-width: 520px;
  font-size: 0.92rem;
}

@media (max-width: 860px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0.75rem 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .hero-grid,
  .feature-grid,
  .content-grid,
  .trust-grid,
  .format-grid,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .stage-visual {
    min-height: 330px;
    padding: 1rem;
  }

  .screen {
    height: 220px;
  }

  h1 {
    font-size: 3.25rem;
  }

  h2 {
    font-size: 2.15rem;
  }

  .lyric {
    font-size: 1.65rem;
  }
}

@media (max-width: 520px) {
  .container,
  .narrow {
    width: min(100% - 24px, 1120px);
  }

  .header-cta {
    min-height: 38px;
    padding: 0 0.75rem;
  }

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

  .button {
    padding-inline: 0.8rem;
  }

  .hero {
    padding: 2rem 0 1.5rem;
  }

  .hero-grid {
    gap: 1.25rem;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.85rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .stage-visual {
    min-height: 210px;
    padding: 0.75rem;
    border-radius: 0.9rem;
  }

  .zip-badge {
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.35rem 0.55rem;
  }

  .screen {
    height: 132px;
    margin-top: 1.75rem;
    border-width: 6px;
    border-radius: 0.65rem;
  }

  .lyric {
    width: 86%;
    padding: 0.45rem;
    font-size: 1.1rem;
  }

  .meters {
    gap: 0.45rem;
    margin-top: 0.75rem;
  }

  .meters span {
    height: 8px;
  }
}