:root {
  --vault-bg: #f8fafc;
  --vault-ink: #0f172a;
  --vault-accent: #ea580c;
  --vault-card: #ffffff;
  --vault-border: rgba(15, 23, 42, 0.12);
  --vault-green: #0f766e;
  --vault-purple: #7c3aed;
}

* {
  box-sizing: border-box;
}

body.vault-body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  background: var(--vault-bg);
  color: var(--vault-ink);
  min-height: 100vh;
}

.site-footer {
  margin-top: 3rem;
  padding: 2rem 0 3rem;
  background: #0f172a;
  color: #e2e8f0;
}

.site-footer .shell {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-footer a {
  color: #bfdbfe;
  text-decoration: none;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.mast {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(1100px, 92vw);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.12);
  z-index: 1200;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand img {
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.brand strong,
.brand small {
  color: #0f172a;
}

.brand small {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
}

.nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  color: #0f172a;
  font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: #0f172a;
  background: rgba(15, 23, 42, 0.08);
}

.nav__cta {
  border: 1px solid rgba(15, 23, 42, 0.2);
  color: #0f172a;
  font-weight: 700;
  background: rgba(248, 250, 252, 0.9);
}

.nav__cta:hover,
.nav__cta:focus-visible {
  border-color: rgba(15, 23, 42, 0.45);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.35rem;
  background: #ffffff;
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
}

.nav-toggle__icon {
  width: 20px;
  height: 2px;
  background: #0f172a;
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: #0f172a;
}

.nav-toggle__icon::before {
  top: -6px;
}

.nav-toggle__icon::after {
  top: 6px;
}

.nav__close {
  display: none;
  align-self: flex-end;
  background: rgba(248, 250, 252, 0.7);
  border: 1px solid rgba(15, 23, 42, 0.2);
  color: #0f172a;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-weight: 600;
}

.nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(148, 163, 184, 0.35);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 900;
}

.vault-body.nav-open .nav__overlay {
  opacity: 1;
  pointer-events: auto;
}

.eyebrow {
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.8);
  margin: 0 0 0.75rem;
}

a {
  color: var(--vault-green);
}

a:hover,
a:focus-visible {
  color: var(--vault-accent);
}

.vault-hero {
  padding: 3.5rem 1.5rem 2rem;
  background: linear-gradient(120deg, #e0f2fe, #fef3c7);
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
}

.vault-shell,
.vault-stack {
  width: min(1100px, 100%);
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.vault-hero h1 {
  font-size: clamp(2.1rem, 4vw, 2.9rem);
  margin: 0 0 0.75rem;
}

.vault-hero p {
  margin: 0 0 0.5rem;
  max-width: 60ch;
}

.vault-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
  opacity: 0.9;
}

.vault-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  background: linear-gradient(120deg, #f97316, #ef4444, #3b82f6);
  color: #fff7ed;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 18px 30px rgba(15, 23, 42, 0.25);
  white-space: nowrap;
  transition: transform 0.2s ease;
}

.vault-hero__cta:hover,
.vault-hero__cta:focus-visible {
  transform: translateY(-2px);
  color: #fff7ed;
}

@media (max-width: 640px) {
  .vault-hero__cta {
    margin-left: 0;
  }
}

.vault-stack {
  padding: 2.5rem 1.5rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.vault-card {
  background: var(--vault-card);
  border: 1px solid var(--vault-border);
  border-radius: 1.25rem;
  padding: 2rem;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

.vault-card h2,
.vault-card h3 {
  margin-top: 0;
}

.vault-feature {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  background: radial-gradient(circle at top left, rgba(14, 165, 233, 0.35), transparent 55%),
    radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.4), transparent 45%),
    #0f172a;
  color: #f8fafc;
  border: none;
}

.vault-feature__eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  margin: 0 0 0.5rem;
  color: rgba(248, 250, 252, 0.75);
}

.vault-feature__copy h2 {
  font-size: clamp(1.9rem, 4vw, 2.4rem);
}

.vault-feature__copy p {
  margin-bottom: 1rem;
}

.vault-feature__list {
  margin: 0 0 1.5rem;
  padding-left: 1.1rem;
  color: rgba(248, 250, 252, 0.9);
}

.vault-feature__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.2);
  color: #052e16;
  background: linear-gradient(120deg, #facc15, #4ade80, #38bdf8);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 18px 40px rgba(8, 47, 73, 0.35);
  transition: transform 0.2s ease;
}

.vault-feature__btn:hover,
.vault-feature__btn:focus-visible {
  transform: translateY(-2px);
  color: #052e16;
}

.vault-feature__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.vault-feature__stats div {
  border-radius: 1rem;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(248, 250, 252, 0.3);
  box-shadow: inset 0 1px 0 rgba(248, 250, 252, 0.2);
}

.vault-feature__stats span {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.7);
  margin-bottom: 0.35rem;
}

.vault-feature__stats strong {
  font-size: 1.3rem;
  color: #fef9c3;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
}

.badge-list span {
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  background: #f8fafc;
}

.register-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

.register-table th,
.register-table td {
  border: 1px solid var(--vault-border);
  padding: 0.85rem 1rem;
  text-align: left;
  background: transparent;
}

.register-table th {
  background: rgba(148, 163, 184, 0.08);
  font-weight: 600;
}

@media (max-width: 900px) {
  .mast {
    top: 0.75rem;
    width: min(100%, 94vw);
    padding: 0.5rem 0.85rem;
  }

  .nav {
    position: fixed;
    inset: 0 0 auto 0;
    transform: translateY(-120%);
    flex-direction: column;
    padding: 5rem 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 1000;
  }

  .nav.is-open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
    position: static;
    margin-left: auto;
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.25);
  }

  .nav__close {
    display: inline-flex;
    margin-bottom: 1rem;
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.25);
    background: rgba(255, 255, 255, 0.65);
  }
}

.register-table tbody tr {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.register-table tbody tr:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.18);
}

.register-table tbody tr:nth-child(1) {
  background: linear-gradient(120deg, #fee2e2, #fecaca);
}

.register-table tbody tr:nth-child(2) {
  background: linear-gradient(120deg, #fff7ed, #feedbf);
}

.register-table tbody tr:nth-child(3) {
  background: linear-gradient(120deg, #ede9fe, #ddd6fe);
}

.register-table tbody tr:nth-child(4) {
  background: linear-gradient(120deg, #ecfccb, #d9f99d);
}

.register-table tbody tr:nth-child(5) {
  background: linear-gradient(120deg, #cffafe, #bae6fd);
}

.register-table tbody tr:nth-child(6) {
  background: linear-gradient(120deg, #fce7f3, #fbcfe8);
}

.register-table tbody tr:nth-child(7) {
  background: linear-gradient(120deg, #e0e7ff, #c7d2fe);
}

.register-table tbody tr:nth-child(8) {
  background: linear-gradient(120deg, #dbeafe, #bfdbfe);
}

.register-table tbody tr:nth-child(9) {
  background: linear-gradient(120deg, #fef3c7, #fde68a);
}

.register-table tbody tr:nth-child(10) {
  background: linear-gradient(120deg, #e2e8f0, #cbd5f5);
}

.register-table tbody tr:nth-child(11) {
  background: linear-gradient(120deg, #f0fdfa, #ccfbf1);
}

.register-table tbody tr:nth-child(12) {
  background: linear-gradient(120deg, #fae8ff, #f5d0fe);
}

.register-table tbody tr:nth-child(13) {
  background: linear-gradient(120deg, #ffe4e6, #fecdd3);
}

.register-table tbody tr:nth-child(14) {
  background: linear-gradient(120deg, #ede9fe, #c4b5fd);
}

.register-table tbody tr:nth-child(15) {
  background: linear-gradient(120deg, #f1f5f9, #e2e8f0);
}

.register-table tbody tr:nth-child(16) {
  background: linear-gradient(120deg, #d9f99d, #bef264);
}

.register-table tbody tr:nth-child(17) {
  background: linear-gradient(120deg, #bae6fd, #7dd3fc);
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.25rem;
}

.policy-grid article {
  border-radius: 1rem;
  padding: 1.5rem;
  color: #0f172a;
  box-shadow: 0 15px 40px rgba(15, 23, 42, 0.15);
}

.policy-grid article:nth-of-type(1) {
  background: linear-gradient(135deg, #f9a8d4, #fecdd3);
}

.policy-grid article:nth-of-type(2) {
  background: linear-gradient(135deg, #c7d2fe, #e0e7ff);
}

.policy-grid article:nth-of-type(3) {
  background: linear-gradient(135deg, #bef264, #d9f99d);
}

.policy-grid article:nth-of-type(4) {
  background: linear-gradient(135deg, #a5f3fc, #bae6fd);
}

.policy-grid article:nth-of-type(5) {
  background: linear-gradient(135deg, #fcd34d, #fde68a);
}

.policy-grid article:nth-of-type(6) {
  background: linear-gradient(135deg, #fda4af, #fecaca);
}

.policy-grid article:nth-of-type(7) {
  background: linear-gradient(135deg, #ddd6fe, #e9d5ff);
}

.policy-grid article:nth-of-type(8) {
  background: linear-gradient(135deg, #93c5fd, #bfdbfe);
}

.policy-grid h3 {
  margin: 0 0 0.75rem;
}

.policy-grid ul {
  margin: 0;
  padding-left: 1.1rem;
}

.policy-grid li {
  margin-bottom: 0.45rem;
}

.vault-accordion {
  display: grid;
  gap: 1rem;
}

.vault-accordion details {
  border-radius: 0.85rem;
  padding: 1.1rem 1.35rem;
  color: #0f172a;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
}

.vault-accordion details:nth-of-type(1) {
  background: linear-gradient(130deg, #e0f2fe, #c7d2fe);
}

.vault-accordion details:nth-of-type(2) {
  background: linear-gradient(130deg, #d1fae5, #bbf7d0);
}

.vault-accordion details:nth-of-type(3) {
  background: linear-gradient(130deg, #fde68a, #fbcfe8);
}

.vault-accordion details:nth-of-type(4) {
  background: linear-gradient(130deg, #fef3c7, #bfdbfe);
}

.vault-accordion details:nth-of-type(5) {
  background: linear-gradient(130deg, #fee2e2, #fecaca);
}

.vault-accordion summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
}

.vault-accordion summary::after {
  content: "+";
  font-size: 1.25rem;
  transition: transform 0.2s ease;
}

.vault-accordion details[open] summary::after {
  transform: rotate(45deg);
}

.vault-accordion p {
  margin: 0.9rem 0 0;
}

.contact-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--vault-border);
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  background: #e0f2fe;
}

.copy-btn {
  border: none;
  border-radius: 999px;
  background: var(--vault-accent);
  color: #fff7ed;
  padding: 0.55rem 1.4rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 5px 18px rgba(234, 88, 12, 0.25);
}

.copy-btn:focus-visible {
  outline: 2px solid var(--vault-green);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .vault-card {
    padding: 1.5rem;
  }

  .contact-panel {
    border-radius: 1rem;
  }
}