:root {
  --zn-bg-dark: #020617;
  --zn-bg-darker: #020617;
  --zn-bg-alt: #f9fafb;
  --zn-bg-card: #0b1220;
  --zn-bg-surface: #ffffff;
  --zn-border-subtle: #e5e7eb;

  --zn-text-main: #0f172a;
  --zn-text-muted: #6b7280;
  --zn-text-on-dark: #e5e7eb;
  --zn-text-on-dark-soft: #9ca3af;

  --zn-primary: #06b6d4; /* neon-ish cyan accent */
  --zn-primary-soft: rgba(34, 211, 238, 0.12);
  --zn-primary-border: rgba(34, 211, 238, 0.7);

  --zn-radius-lg: 1.3rem;
  --zn-radius-xl: 1.9rem;

  --zn-shadow-soft: 0 22px 50px rgba(15, 23, 42, 0.35);
  --zn-shadow-subtle: 0 10px 25px rgba(15, 23, 42, 0.1);

  --zn-max-width: 1120px;
}

/* RESET / BASE */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--zn-text-main);
  background-color: #ffffff;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

/* UTILITIES */

.zn-container {
  width: 100%;
  max-width: var(--zn-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 {
  margin: 0 0 0.6rem;
  letter-spacing: -0.025em;
}

p {
  margin: 0 0 1rem;
}

/* MOBILE CTA (BOTTOM STICKY) */

.zn-mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.55rem 1rem 0.7rem;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.82));
  backdrop-filter: blur(16px);
  z-index: 40;
  display: none;
}

/* HEADER */

.zn-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(2, 6, 23, 0.9);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.zn-eyebrow {
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(circle at 0% 0%, rgba(34, 211, 238, 0.3) 0, transparent 55%);
}

.zn-eyebrow-inner {
  padding: 0.35rem 1.5rem;
  font-size: 0.78rem;
  color: #cbd5f5;
  text-align: center;
}

.zn-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.5rem;
}

.zn-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
}

.zn-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid var(--zn-primary-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--zn-primary);
  background:
    radial-gradient(circle at 25% 0%, #22d3ee 0, #0f172a 55%),
    radial-gradient(circle at 90% 90%, rgba(59, 130, 246, 0.8) 0, #020617 45%);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.9);
}

.zn-logo-text {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  color: #e5e7eb;
}

.zn-logo-tm {
  font-size: 0.55rem;
  margin-left: 0.22rem;
  vertical-align: top;
  color: #9ca3af;
}

/* NAV */

.zn-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.zn-nav a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.9rem;
  opacity: 0.8;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.zn-nav a:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.zn-nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  font-weight: 500;
}

/* NAV TOGGLE */

.zn-nav-toggle {
  display: none;
  border: 1px solid rgba(148, 163, 184, 0.8);
  border-radius: 999px;
  background: transparent;
  color: #e5e7eb;
  padding: 0.15rem 0.7rem;
  font-size: 1.1rem;
}

/* HERO */

.zn-hero {
  background:
    radial-gradient(circle at 0% 0%, rgba(34, 211, 238, 0.2) 0, transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(59, 130, 246, 0.22) 0, transparent 55%),
    radial-gradient(circle at 50% 110%, rgba(30, 64, 175, 0.65) 0, rgba(15, 23, 42, 1) 55%),
    var(--zn-bg-darker);
  color: var(--zn-text-on-dark);
  padding: 3.2rem 0 3.4rem;
}

.zn-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 2.8rem;
  align-items: center;
}

.zn-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: #e5e7eb;
  margin-bottom: 0.8rem;
}

.zn-hero h1 {
  font-size: clamp(2.3rem, 3vw + 1.6rem, 3.2rem);
}

.zn-hero-sub {
  color: var(--zn-text-on-dark-soft);
  max-width: 32rem;
  font-size: 0.98rem;
}

.zn-hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.4rem 0 0.9rem;
}

.zn-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #9ca3af;
}

.zn-hero-meta span::before {
  content: "• ";
  margin-right: 0.1rem;
}

/* HERO DEVICE MOCK */

.zn-hero-panel {
  display: flex;
  justify-content: flex-end;
}

.zn-device {
  background: linear-gradient(145deg, #020617, #020617);
  border-radius: 1.6rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: var(--zn-shadow-soft);
  overflow: hidden;
  max-width: 420px;
  width: 100%;
  transform: translateY(4px);
}

.zn-device-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.75rem;
  background: radial-gradient(circle at 0% 0%, rgba(96, 165, 250, 0.35) 0, rgba(15, 23, 42, 1) 60%);
  border-bottom: 1px solid rgba(148, 163, 184, 0.5);
}

.zn-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.9);
}

.zn-device-title {
  font-size: 0.78rem;
  color: var(--zn-text-on-dark-soft);
  margin-left: auto;
}

.zn-device-body {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  padding: 0.9rem 0.9rem 0.7rem;
  gap: 0.6rem;
}

.zn-device-col-main {
  border-right: 1px solid rgba(30, 64, 175, 0.7);
  padding-right: 0.7rem;
}

.zn-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.7rem;
}

.zn-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.7rem;
  border: 1px solid transparent;
}

.zn-chip-good {
  border-color: rgba(22, 163, 74, 0.7);
  background: rgba(22, 163, 74, 0.18);
  color: #bbf7d0;
}

.zn-chip-watch {
  border-color: rgba(234, 179, 8, 0.7);
  background: rgba(234, 179, 8, 0.13);
  color: #facc15;
}

.zn-chip-risk {
  border-color: rgba(239, 68, 68, 0.7);
  background: rgba(239, 68, 68, 0.13);
  color: #fecaca;
}

/* Meter */

.zn-meter {
  margin-bottom: 0.7rem;
}

.zn-meter-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--zn-text-on-dark-soft);
  margin-bottom: 0.25rem;
}

.zn-meter-score {
  font-weight: 600;
  color: #e5e7eb;
}

.zn-meter-bar {
  width: 100%;
  height: 7px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 1);
  overflow: hidden;
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.zn-meter-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(to right, #22d3ee, #0ea5e9, #22c55e);
}

.zn-meter-note {
  font-size: 0.72rem;
  color: var(--zn-text-on-dark-soft);
  margin-top: 0.25rem;
}

/* Device tags */

.zn-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.5rem;
}

.zn-tags span {
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(75, 85, 99, 0.8);
  padding: 0.16rem 0.48rem;
  font-size: 0.7rem;
  color: var(--zn-text-on-dark-soft);
}

/* Device list */

.zn-device-col-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.76rem;
  color: var(--zn-text-on-dark-soft);
}

.zn-bullet-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.45rem;
}

.zn-bullet {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  margin-top: 0.2rem;
}

.zn-bullet-risk {
  background: #ef4444;
}

.zn-bullet-watch {
  background: #facc15;
}

.zn-bullet-good {
  background: #22c55e;
}

.zn-bullet-title {
  margin: 0;
  color: #e5e7eb;
  font-size: 0.8rem;
}

.zn-bullet-desc {
  margin: 0;
}

/* Device footer */

.zn-device-footer {
  border-top: 1px solid rgba(30, 64, 175, 0.7);
  padding: 0.55rem 0.9rem 0.7rem;
  font-size: 0.75rem;
  color: var(--zn-text-on-dark-soft);
}

/* STRIP / STATS */

.zn-strip {
  background: #020617;
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.zn-strip-inner {
  padding: 1.5rem 1.5rem 1.7rem;
}

.zn-strip-advanced {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  color: var(--zn-text-on-dark-soft);
  font-size: 0.88rem;
}

.zn-strip-block {
  border-radius: 1.1rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at 0% 0%, rgba(37, 99, 235, 0.6) 0, #020617 60%);
  padding: 1rem 1.1rem;
}

.zn-stat {
  display: block;
  font-size: 1.35rem;
  font-weight: 600;
  color: #e5e7eb;
  margin-bottom: 0.25rem;
}

/* GENERIC SECTION */

.zn-section {
  padding: 3rem 0;
}

.zn-section-alt {
  background: var(--zn-bg-alt);
}

.zn-section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.zn-section-header h2 {
  font-size: 1.6rem;
}

.zn-section-header p {
  color: var(--zn-text-muted);
  max-width: 32rem;
  margin: 0.4rem auto 0;
}

.zn-lead {
  color: var(--zn-text-muted);
  max-width: 32rem;
}

/* GRID LAYOUTS */

.zn-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 2.4rem;
  align-items: flex-start;
}

.zn-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.3rem;
}

/* CARDS / HIGHLIGHTS */

.zn-card-highlight {
  background: #ffffff;
  border-radius: var(--zn-radius-lg);
  padding: 1.5rem;
  border: 1px solid #e5e7eb;
  box-shadow: var(--zn-shadow-subtle);
  font-size: 0.9rem;
}

.zn-card-gradient {
  background:
    radial-gradient(circle at 0% 0%, rgba(34, 211, 238, 0.25) 0, rgba(249, 250, 251, 1) 55%),
    #ffffff;
}

.zn-card-visual {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* Illustration in self-check card */

.zn-illus {
  border-radius: 1.1rem;
  border: 1px solid #e5e7eb;
  box-shadow: var(--zn-shadow-subtle);
}

/* Generic note */

.zn-note {
  font-size: 0.82rem;
  color: var(--zn-text-muted);
}

.zn-card {
  background: #ffffff;
  border-radius: 1.1rem;
  padding: 1.25rem;
  border: 1px solid var(--zn-border-subtle);
  box-shadow: var(--zn-shadow-subtle);
  font-size: 0.9rem;
}

.zn-card h3 {
  font-size: 1rem;
}

/* LISTS */

.zn-list-check {
  list-style: none;
  padding-left: 0;
  margin: 0.8rem 0 0;
}

.zn-list-check li {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--zn-text-muted);
}

.zn-list-check li::before {
  content: "✓";
  margin-right: 0.4rem;
  font-size: 0.8rem;
  color: var(--zn-primary);
}

.zn-list-strong li {
  color: #374151;
}

/* TIMELINE */

.zn-timeline {
  max-width: 720px;
  margin: 0 auto;
  border-left: 1px solid #e5e7eb;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.zn-timeline-item {
  position: relative;
}

.zn-timeline-icon {
  position: absolute;
  left: -1.75rem;
  top: 0.1rem;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 999px;
  background: #0f172a;
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 500;
}

.zn-timeline-body h3 {
  font-size: 1rem;
}

.zn-timeline-body p {
  font-size: 0.9rem;
  color: var(--zn-text-muted);
}

/* EXPLAINER VIDEO */

.zn-video-section {
  background: #ffffff;
}

.zn-video-frame {
  border-radius: 1.3rem;
  border: 1px solid #e5e7eb;
  box-shadow: var(--zn-shadow-subtle);
  overflow: hidden;
  background: #000;
}

.zn-video-frame iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
}

/* DO / DON'T */

.zn-do-dont {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 1.3rem;
}

.zn-do-dont h3 {
  font-size: 0.95rem;
}

.zn-do-dont ul {
  margin: 0.2rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--zn-text-muted);
}

/* USE CASE SWITCH */

.zn-usecase-switch {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-bottom: 1.3rem;
}

.zn-pill-tab {
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  background: #ffffff;
  cursor: default;
}

.zn-pill-tab-active {
  border-color: var(--zn-primary-border);
  background: var(--zn-primary-soft);
}

/* REPORT STRUCTURE (NO IMAGE) */

.zn-card-report {
  background: #0b1120;
  border-radius: var(--zn-radius-lg);
  padding: 1.4rem;
  color: var(--zn-text-on-dark-soft);
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: var(--zn-shadow-soft);
  font-size: 0.86rem;
}

.zn-report-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 0.6rem;
  color: #e5e7eb;
}

.zn-report-box {
  border-radius: 1rem;
  border: 1px dashed rgba(148, 163, 184, 0.75);
  padding: 0.9rem;
  background: rgba(15, 23, 42, 0.9);
}

.zn-report-row {
  display: grid;
  grid-template-columns: 1.1fr 0.7fr 1.4fr;
  gap: 0.4rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(30, 64, 175, 0.5);
  font-size: 0.78rem;
}

.zn-report-row:last-child {
  border-bottom: none;
}

.zn-report-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #94a3b8;
}

.zn-dot-label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.zn-dot-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
}

.zn-dot-label-mixed::before {
  background: linear-gradient(135deg, #22c55e, #eab308);
}

.zn-dot-label-watch::before {
  background: #eab308;
}

.zn-dot-label-risk::before {
  background: #ef4444;
}

.zn-report-meta {
  font-size: 0.78rem;
  margin-top: 0.7rem;
}

/* PLANS */

.zn-plans {
  display: flex;
  justify-content: center;
}

.zn-plan-card {
  background: #020617;
  color: var(--zn-text-on-dark);
  border-radius: var(--zn-radius-xl);
  padding: 1.8rem 1.6rem;
  max-width: 420px;
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: var(--zn-shadow-soft);
  font-size: 0.9rem;
}

.zn-plan-card h3 {
  font-size: 1.1rem;
}

.zn-plan-tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--zn-text-on-dark-soft);
  margin-bottom: 0.8rem;
}

.zn-plan-card ul {
  margin: 0 0 0.9rem;
  padding-left: 1rem;
  color: var(--zn-text-on-dark-soft);
}

.zn-plan-price {
  font-size: 0.92rem;
  margin-bottom: 0.9rem;
}

.zn-plan-footnote {
  font-size: 0.78rem;
  color: var(--zn-text-on-dark-soft);
  margin-top: 0.4rem;
}

/* FAQ */

.zn-faq {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 0.7rem;
}

.zn-faq details {
  background: #ffffff;
  border-radius: 0.9rem;
  border: 1px solid var(--zn-border-subtle);
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
}

.zn-faq summary {
  cursor: pointer;
  list-style: none;
}

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

/* CONTACT / FORM */

.zn-card-form {
  background: #ffffff;
  border-radius: var(--zn-radius-lg);
  padding: 1.4rem 1.4rem 1.5rem;
  border: 1px solid var(--zn-border-subtle);
  box-shadow: var(--zn-shadow-subtle);
}

.zn-contact-meta {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--zn-text-muted);
}

.zn-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.zn-form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.zn-field label {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 0.25rem;
  color: #4b5563;
}

.zn-field input,
.zn-field textarea {
  width: 100%;
  border-radius: 0.7rem;
  border: 1px solid #d1d5db;
  padding: 0.6rem 0.7rem;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.zn-field input:focus,
.zn-field textarea:focus {
  border-color: var(--zn-primary);
  box-shadow: 0 0 0 1px var(--zn-primary-soft);
}

.zn-checkbox label {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--zn-text-muted);
}

.zn-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
}

.zn-form-footnote {
  margin-top: 0.3rem;
  font-size: 0.78rem;
  color: var(--zn-text-muted);
}

/* BUTTONS */

.zn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-decoration: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition:
    background-color 0.16s ease,
    color 0.16s ease,
    box-shadow 0.16s ease,
    transform 0.12s ease,
    border-color 0.16s ease;
}

.zn-btn-primary {
  background: var(--zn-primary);
  border-color: var(--zn-primary);
  color: #022c22;
  box-shadow: 0 14px 30px rgba(34, 211, 238, 0.4);
}

.zn-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(34, 211, 238, 0.45);
}

.zn-btn-ghost {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.75);
  color: #e5e7eb;
}

.zn-btn-ghost:hover {
  background: rgba(15, 23, 42, 0.9);
  border-color: #e5e7eb;
}

.zn-btn-inline {
  margin-top: 1rem;
}

.zn-btn-full {
  width: 100%;
}

/* FOOTER */

.zn-footer {
  border-top: 1px solid #e5e7eb;
  background: #f9fafb;
}

.zn-footer-inner {
  padding: 1.3rem 1.5rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--zn-text-muted);
}

.zn-footer-links {
  display: flex;
  gap: 0.9rem;
}

.zn-footer-links a {
  color: var(--zn-text-muted);
  text-decoration: none;
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .zn-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .zn-hero-panel {
    justify-content: flex-start;
  }

  .zn-two-col {
    grid-template-columns: minmax(0, 1fr);
  }

  .zn-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .zn-header-inner {
    padding-inline: 1rem;
  }

  .zn-nav-toggle {
    display: inline-flex;
  }

  .zn-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    background: #020617;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.6rem 1.4rem 0.8rem;
    gap: 0.35rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.4);
    display: none;
  }

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

  .zn-section {
    padding: 2.4rem 0;
  }

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

  .zn-strip-advanced {
    grid-template-columns: minmax(0, 1fr);
  }

  .zn-form-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .zn-card-form {
    padding: 1.1rem 1.1rem 1.3rem;
  }

  .zn-timeline {
    border-left: none;
    padding-left: 0;
  }

  .zn-timeline-icon {
    position: static;
    margin-bottom: 0.25rem;
  }

  .zn-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .zn-mobile-cta {
    display: block;
  }

  body {
    padding-bottom: 3.5rem; /* space for mobile CTA */
  }
}