:root {
  --navy: #001733;
  --navy-2: #02254d;
  --cyan: #11dff2;
  --cyan-2: #36bff5;
  --gold: #f3c84b;
  --ink: #07192c;
  --muted: #5d7287;
  --line: rgba(17, 223, 242, 0.24);
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f4fbff;
}

a {
  color: inherit;
}

.page-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(17, 223, 242, 0.16), transparent 32rem),
    linear-gradient(180deg, #001733 0%, #021c3d 100%);
}

.site-shell {
  min-height: 92vh;
}

.nav {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: white;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 132px;
  height: auto;
  padding: 6px 7px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.nav-links a {
  text-decoration: none;
  white-space: nowrap;
}

.button,
button.button {
  border: 0;
  border-radius: 8px;
  padding: 13px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #001733;
  background: var(--cyan);
  box-shadow: 0 14px 28px rgba(17, 223, 242, 0.22);
}

.button-secondary {
  color: white;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.button-disabled {
  cursor: default;
  opacity: 0.74;
}

.button-disabled:hover {
  transform: none;
}

.button-dark {
  color: white;
  background: var(--navy);
}

.hero {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 54px 0 112px;
  color: white;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.82fr);
  gap: 44px;
  align-items: center;
}

.product-hero {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 900;
}

.hero h1 {
  margin: 0;
  font-size: clamp(44px, 6.2vw, 82px);
  line-height: 0.94;
  letter-spacing: 0;
  max-width: 820px;
}

.hero h1 span {
  color: var(--cyan);
}

.hero-copy {
  margin: 22px 0 0;
  max-width: 700px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.48;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-stat-row {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 660px;
}

.hero-stat {
  border: 1px solid rgba(17, 223, 242, 0.28);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 14px;
}

.hero-stat strong {
  display: block;
  color: white;
  font-size: 24px;
}

.hero-stat span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.phone-stage {
  position: relative;
  min-height: 590px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-glow {
  position: absolute;
  inset: 46px 20px;
  background: radial-gradient(circle, rgba(17, 223, 242, 0.25), transparent 64%);
  filter: blur(8px);
}

.phone-shot {
  width: min(285px, 64vw);
  border-radius: 28px;
  box-shadow: 0 34px 86px rgba(0, 0, 0, 0.38);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #07192c;
}

.phone-shot-main {
  position: relative;
  z-index: 2;
}

.phone-shot-side {
  position: absolute;
  right: 0;
  top: 46px;
  width: min(235px, 52vw);
  opacity: 0.72;
  transform: rotate(4deg);
}

.app-signal {
  position: absolute;
  z-index: 3;
  width: 196px;
  border: 1px solid rgba(17, 223, 242, 0.38);
  border-radius: 8px;
  padding: 13px 14px;
  background: rgba(0, 23, 51, 0.84);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
}

.app-signal strong,
.app-signal span {
  display: block;
}

.app-signal strong {
  color: white;
  font-size: 14px;
}

.app-signal span {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  line-height: 1.35;
}

.app-signal-top {
  left: 0;
  top: 104px;
}

.app-signal-bottom {
  right: 8px;
  bottom: 92px;
}

.app-preview-band {
  background:
    radial-gradient(circle at 15% 10%, rgba(17, 223, 242, 0.18), transparent 24rem),
    linear-gradient(180deg, #eefaff 0%, #ffffff 100%);
  padding: 82px 0;
}

.app-preview-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.screen-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.screen-row figure {
  margin: 0;
  padding: 18px;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(239, 250, 255, 0.94));
  box-shadow: 0 22px 58px rgba(0, 30, 70, 0.1);
}

.screen-row img {
  display: block;
  width: min(245px, 100%);
  margin: 0 auto;
  border-radius: 28px;
  box-shadow: 0 18px 50px rgba(0, 30, 70, 0.18);
}

.screen-row figcaption {
  display: block;
  margin-top: 18px;
}

.screen-row figcaption strong,
.screen-row figcaption span {
  display: block;
}

.screen-row figcaption strong {
  color: var(--navy);
  font-size: 20px;
}

.screen-row figcaption span {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.5;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}

.split-copy {
  display: grid;
  gap: 18px;
  color: #39566d;
  font-size: 20px;
  line-height: 1.62;
}

.split-copy p {
  margin: 0;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-band article {
  background: white;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 26px;
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
}

.feature-band strong {
  color: var(--cyan-2);
  letter-spacing: 0.18em;
  font-size: 13px;
}

.feature-band h3 {
  margin: 18px 0 10px;
  color: var(--navy);
  font-size: 26px;
}

.feature-band p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.care-loop-section {
  padding-top: 44px;
}

.care-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.care-grid div {
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 18px;
  background: white;
  box-shadow: 0 14px 38px rgba(0, 30, 70, 0.06);
}

.care-grid strong,
.care-grid span {
  display: block;
}

.care-grid strong {
  color: var(--navy);
  font-size: 20px;
}

.care-grid span {
  margin-top: 7px;
  color: var(--muted);
  line-height: 1.45;
  font-size: 14px;
}

.care-grid .special-action {
  border-color: rgba(243, 200, 75, 0.78);
  background: linear-gradient(180deg, #fffdf4, #ffffff);
}

.care-grid .special-action strong {
  color: #9d7408;
}

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.62fr);
  gap: 52px;
  align-items: center;
}

.showcase h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(34px, 4.4vw, 62px);
  line-height: 1;
}

.showcase p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
}

.showcase-image {
  justify-self: center;
  width: min(310px, 72vw);
  border-radius: 30px;
  box-shadow: 0 24px 70px rgba(0, 30, 70, 0.18);
}

.impact-band {
  background:
    radial-gradient(circle at top right, rgba(17, 223, 242, 0.18), transparent 30rem),
    #001733;
  color: white;
  padding: 86px 0;
}

.impact-inner {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  text-align: center;
}

.impact-inner h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1;
}

.impact-inner p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
  line-height: 1.58;
}

.centered-actions {
  justify-content: center;
}

.mission-card {
  border: 1px solid rgba(17, 223, 242, 0.32);
  background: rgba(0, 17, 38, 0.76);
  border-radius: 8px;
  padding: 26px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.mission-card h2 {
  margin: 0;
  color: var(--cyan);
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mission-card p {
  color: rgba(255, 255, 255, 0.83);
  line-height: 1.6;
}

.mission-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.mission-list div {
  display: flex;
  gap: 10px;
  color: white;
  font-weight: 700;
}

.mission-list span {
  color: var(--cyan);
}

.section {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 76px 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-header h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-header p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.model-step {
  background: white;
  border: 1px solid #d9edf5;
  border-radius: 8px;
  padding: 22px;
  min-height: 180px;
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
}

.model-step strong {
  color: var(--cyan-2);
  font-size: 13px;
  letter-spacing: 0.2em;
}

.model-step h3 {
  margin: 18px 0 8px;
  color: var(--navy);
}

.model-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.wall-preview-band {
  background: #001733;
  color: white;
  padding: 72px 0;
}

.wall-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 38px;
  align-items: center;
}

.wall-inner h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 62px);
  line-height: 1;
}

.wall-inner h2 span {
  color: var(--cyan);
}

.wall-inner p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
  font-size: 18px;
}

.wall-board {
  border-radius: 8px;
  border: 1px solid rgba(17, 223, 242, 0.36);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  background:
    radial-gradient(circle at top right, rgba(17, 223, 242, 0.12), transparent 18rem),
    #001733;
  padding: 24px;
}

.wall-board-title strong {
  display: block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 0.9;
}

.wall-board-title span {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.82);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 900;
}

.wall-board-row {
  margin-top: 16px;
  display: grid;
  grid-template-columns: minmax(190px, 1.35fr) repeat(4, minmax(80px, 0.7fr));
  gap: 12px;
  align-items: center;
  border: 1px solid rgba(17, 223, 242, 0.25);
  border-radius: 8px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.04);
}

.wall-board-row div strong {
  display: block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
}

.wall-board-row div span {
  display: block;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
  line-height: 1.35;
}

.wall-board-row p {
  margin: 0;
  color: white;
  font-weight: 800;
  text-align: center;
  line-height: 1.25;
}

.wall-board-row p:last-child {
  color: var(--cyan);
}

.global-row {
  border-color: rgba(243, 200, 75, 0.72);
}

.global-row div strong,
.global-row p {
  color: var(--gold);
}

.terms-note {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.invite-gate {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.72fr);
  gap: 28px;
  align-items: center;
}

.invite-copy,
.gate-form {
  border: 1px solid #d8edf5;
  border-radius: 8px;
  background: white;
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
}

.invite-copy {
  padding: clamp(24px, 4vw, 42px);
}

.invite-copy h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.02;
}

.invite-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.gate-form {
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgba(17, 223, 242, 0.12), transparent 16rem),
    #001733;
  color: white;
}

.gate-form label {
  display: block;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.gate-input-row {
  margin-top: 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.gate-input-row input {
  min-width: 0;
  width: 100%;
  border: 1px solid rgba(17, 223, 242, 0.32);
  border-radius: 8px;
  padding: 13px 14px;
  color: white;
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

.gate-input-row input::placeholder {
  color: rgba(255, 255, 255, 0.54);
}

.gate-message {
  min-height: 22px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.45;
}

.invite-gate.is-unlocked .gate-form {
  border-color: rgba(17, 223, 242, 0.62);
}

.gated-content {
  display: none;
}

.gated-content.is-unlocked {
  display: block;
}

.tiers {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.tier {
  display: flex;
  flex-direction: column;
  background: white;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
}

.tier.featured {
  border-color: rgba(243, 200, 75, 0.86);
  box-shadow: 0 22px 60px rgba(243, 200, 75, 0.16);
}

.tier-label {
  color: var(--cyan-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 900;
}

.tier.featured .tier-label {
  color: #a87a00;
}

.tier h3 {
  margin: 12px 0 0;
  color: var(--navy);
  font-size: 24px;
}

.price {
  margin-top: 14px;
  color: var(--navy);
  font-size: 36px;
  font-weight: 900;
}

.spots {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.tier ul {
  padding: 0;
  margin: 20px 0;
  list-style: none;
  display: grid;
  gap: 10px;
  color: #344d63;
  line-height: 1.45;
  font-size: 14px;
}

.tier li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
}

.tier li::before {
  content: "+";
  color: var(--cyan-2);
  font-weight: 900;
}

.tier .button {
  margin-top: 12px;
  width: 100%;
}

.tier-agreement-link {
  margin-top: auto;
  display: inline-flex;
  justify-content: center;
  color: var(--navy);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.tier-agreement-link:hover {
  text-decoration: underline;
}

.fine-print {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.agreement-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.agreement-card {
  background: white;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
}

.agreement-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
}

.agreement-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.agreement-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.agreement-selector a {
  border-radius: 8px;
  padding: 11px 13px;
  color: white;
  background: var(--navy);
  text-decoration: none;
  font-weight: 800;
  font-size: 13px;
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq details {
  background: white;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 20px;
}

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

.faq p {
  color: var(--muted);
  line-height: 1.55;
}

.cta-band {
  background: var(--navy);
  color: white;
  padding: 72px 0;
}

.cta-inner {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.55;
}

.doc-page {
  min-height: 100vh;
  background: #f4fbff;
}

.guide-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #001733 0, #001733 230px, #f4fbff 230px, #f4fbff 100%);
}

.guide-nav {
  color: white;
}

.guide-layout {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 86px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.guide-toc {
  position: sticky;
  top: 22px;
  background: white;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
  display: grid;
  gap: 12px;
}

.guide-toc .eyebrow {
  margin-bottom: 4px;
}

.guide-toc a {
  color: #39566d;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
}

.guide-content {
  background: white;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: clamp(26px, 5vw, 58px);
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
}

.guide-content h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1;
}

.guide-content .lead {
  color: #39566d;
  font-size: 20px;
  line-height: 1.58;
}

.guide-content section {
  padding-top: 28px;
  margin-top: 28px;
  border-top: 1px solid #d8edf5;
}

.guide-content h2 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: clamp(28px, 3.2vw, 42px);
}

.guide-content h3 {
  color: var(--navy);
  margin: 20px 0 8px;
}

.guide-content p,
.guide-content li {
  color: #39566d;
  line-height: 1.66;
}

.guide-cards,
.stat-grid,
.action-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.stat-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.guide-cards div,
.stat-grid div,
.action-list div {
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 18px;
  background: #f7fcff;
}

.stat-grid strong,
.action-list strong {
  display: block;
  color: var(--navy);
}

.stat-grid span,
.action-list span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.doc {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.doc article {
  background: white;
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: clamp(24px, 5vw, 56px);
  box-shadow: 0 18px 44px rgba(0, 30, 70, 0.06);
}

.document-package article {
  display: grid;
  gap: 24px;
}

.doc h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.05;
}

.doc h2 {
  margin: 34px 0 8px;
  color: var(--navy);
}

.doc h3 {
  margin: 26px 0 8px;
  color: var(--navy);
}

.doc p,
.doc li {
  color: #39566d;
  line-height: 1.65;
}

.document-panel {
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: clamp(20px, 4vw, 34px);
  background: #f7fcff;
}

.document-panel h2 {
  margin-top: 0;
}

.check-list {
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.check-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
}

.check-list li::before {
  content: "+";
  color: var(--cyan-2);
  font-weight: 900;
}

.field-grid {
  margin: 18px 0 8px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field-grid div {
  border: 1px solid #d8edf5;
  border-radius: 8px;
  padding: 14px;
  background: white;
}

.field-grid span,
.certificate-meta span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field-grid strong,
.certificate-meta strong {
  display: block;
  margin-top: 5px;
  color: var(--navy);
}

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

.certificate {
  margin-top: 28px;
  border: 2px solid var(--cyan);
  background:
    radial-gradient(circle at top right, rgba(17, 223, 242, 0.18), transparent 24rem),
    #001733;
  color: white;
  padding: clamp(24px, 5vw, 52px);
  border-radius: 8px;
}

.certificate-print {
  position: relative;
  overflow: hidden;
  min-height: 540px;
}

.certificate-print::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(17, 223, 242, 0.12);
}

.certificate-mark {
  width: 126px;
  padding: 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
}

.certificate-mark img {
  display: block;
  width: 100%;
}

.certificate h2 {
  color: var(--cyan);
  margin-top: 0;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 0.95;
}

.certificate-lead {
  font-size: clamp(22px, 3vw, 34px);
}

.certificate-meta {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.certificate-meta div {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.certificate-meta span,
.certificate-meta strong {
  color: white;
}

.certificate-meta span {
  opacity: 0.68;
}

.signature-line {
  margin-top: 42px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.signature-line div {
  border-top: 1px solid rgba(255, 255, 255, 0.55);
  padding-top: 12px;
  color: rgba(255, 255, 255, 0.76);
}

.agreement-signatures div {
  border-top-color: rgba(0, 23, 51, 0.28);
  color: #39566d;
}

.checkout-alert {
  display: none;
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  background: #fff7db;
  color: #614700;
  border: 1px solid #f1d174;
  line-height: 1.45;
}

.site-footer {
  padding: 28px 16px 34px;
  text-align: center;
  color: #61778a;
  background: #f4fbff;
  border-top: 1px solid #d8edf5;
}

.site-footer p {
  margin: 0;
  font-size: 13px;
}

.site-footer nav {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.site-footer a {
  color: #39566d;
  font-size: 12px;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--navy);
  text-decoration: underline;
}

@media (max-width: 1040px) {
  .hero,
  .wall-inner,
  .product-hero,
  .showcase,
  .invite-gate,
  .split-section {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding-bottom: 80px;
  }

  .model-grid,
  .feature-band,
  .screen-row,
  .care-grid,
  .stat-grid,
  .wall-board-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .phone-stage {
    min-height: 520px;
  }

  .app-signal-top {
    left: 12%;
  }

  .app-signal-bottom {
    right: 12%;
  }
}

@media (max-width: 680px) {
  .nav {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .brand-logo {
    width: 124px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    padding-top: 32px;
  }

  .phone-stage {
    min-height: auto;
    padding: 18px 0 0;
  }

  .phone-shot-side {
    display: none;
  }

  .app-signal {
    position: relative;
    inset: auto;
    width: min(100%, 280px);
    margin: 12px auto 0;
  }

  .gate-input-row {
    grid-template-columns: 1fr;
  }

  .hero-stat-row,
  .tiers,
  .model-grid,
  .agreement-grid,
  .faq,
  .feature-band,
  .screen-row,
  .care-grid,
  .guide-cards,
  .stat-grid,
  .action-list,
  .wall-board-row {
    grid-template-columns: 1fr;
  }

  .signature-line {
    grid-template-columns: 1fr;
  }

  .field-grid,
  .compact-fields,
  .certificate-meta {
    grid-template-columns: 1fr;
  }

  .guide-layout {
    grid-template-columns: 1fr;
  }

  .guide-toc {
    position: static;
  }
}

@media print {
  body {
    background: white;
  }

  .site-footer,
  .nav {
    display: none;
  }

  .doc {
    width: auto;
    padding: 0;
  }

  .doc article {
    box-shadow: none;
    border: 0;
  }

  .document-panel,
  .certificate-print {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}