:root {
  color-scheme: dark;
  --page-bg: #0b1217;
  --page-surface: #111c23;
  --page-surface-2: #17242c;
  --page-text: #e7f0ef;
  --page-muted: #9aabb0;
  --page-primary: #2dd4bf;
  --page-green: #72cf44;
  --page-border: rgba(148, 163, 184, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--page-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 80% 5%, rgba(45, 212, 191, 0.09), transparent 30rem),
    var(--page-bg);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid rgba(45, 212, 191, 0.7);
  outline-offset: 3px;
}

:where(h2, h3, section, details)[id] {
  scroll-margin-top: 96px;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 200;
  padding: 0.75rem 1rem;
  color: #071512;
  text-decoration: none;
  border-radius: 0.6rem;
  background: var(--page-primary);
  transform: translateY(-150%);
}

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

.page-header {
  position: sticky;
  top: 0;
  z-index: 70;
  border-bottom: 1px solid var(--page-border);
  background: rgba(11, 18, 23, 0.88);
  backdrop-filter: blur(18px);
}

.page-header-inner {
  width: min(1180px, calc(100% - 2rem));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

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

.brand img {
  width: auto;
  height: 42px;
}

.page-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.page-nav a {
  padding: 0.55rem 0.7rem;
  color: var(--page-muted);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
  border-radius: 0.55rem;
}

.page-nav a:hover,
.page-nav a:focus-visible,
.page-nav a[aria-current="page"] {
  color: var(--page-primary);
  background: rgba(45, 212, 191, 0.08);
  outline: none;
}

.page-nav-cta {
  color: #071512 !important;
  background: var(--page-primary) !important;
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  padding: 5.5rem 1rem 4rem;
  overflow: hidden;
  border-bottom: 1px solid var(--page-border);
}

.hero::after {
  position: absolute;
  inset: auto -10% -45% auto;
  width: 32rem;
  aspect-ratio: 1;
  content: "";
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.06);
  filter: blur(20px);
}

.hero-inner,
.article-layout,
.related,
.page-footer-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  color: #71858c;
  font-size: 0.76rem;
  list-style: none;
}

.breadcrumbs a {
  color: var(--page-primary);
  text-decoration: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: clamp(2rem, 7vw, 5.5rem);
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--page-primary);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

h1 {
  margin-bottom: 1.2rem;
  font-size: clamp(2.35rem, 6vw, 4.7rem);
}

h1 span,
h2 span {
  color: var(--page-primary);
}

.hero-lead {
  max-width: 740px;
  margin: 0 0 1.7rem;
  color: #bdc9cc;
  font-size: clamp(1.03rem, 2vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.2rem;
  color: #071512;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--page-primary);
  border-radius: 999px;
  background: var(--page-primary);
}

.button.secondary {
  color: var(--page-primary);
  background: transparent;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--page-border);
  border-radius: 1.3rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
}

.hero-visual.is-wide img {
  aspect-ratio: 1200 / 630;
}

.hero-badge {
  position: absolute;
  right: -0.5rem;
  bottom: -0.8rem;
  max-width: 16rem;
  padding: 0.85rem 1rem;
  color: #c6d2d4;
  font-size: 0.75rem;
  border: 1px solid rgba(45, 212, 191, 0.28);
  border-radius: 0.8rem;
  background: rgba(11, 18, 23, 0.94);
}

.article-wrap {
  padding: 4.5rem 1rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.article {
  min-width: 0;
}

.answer-box {
  margin-bottom: 2.2rem;
  padding: 1.35rem 1.5rem;
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.09), rgba(114, 207, 68, 0.035));
}

.answer-box strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--page-primary);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.answer-box p {
  margin: 0;
  color: #c6d1d3;
}

.article h2 {
  margin: 3rem 0 1rem;
  font-size: clamp(1.65rem, 4vw, 2.45rem);
}

.article h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
}

.article p,
.article li {
  color: #aebdc1;
}

.article ul,
.article ol {
  padding-left: 1.25rem;
}

.article li + li {
  margin-top: 0.55rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.6rem 0 2.5rem;
}

.feature-card {
  padding: 1.2rem;
  border: 1px solid var(--page-border);
  border-radius: 0.9rem;
  background: rgba(17, 28, 35, 0.7);
}

.feature-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--page-text);
}

.feature-card span {
  color: var(--page-muted);
  font-size: 0.88rem;
}

.steps {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  counter-reset: step;
  list-style: none;
}

.steps li {
  position: relative;
  padding: 1rem 1rem 1rem 3.5rem;
  border: 1px solid var(--page-border);
  border-radius: 0.85rem;
  background: rgba(17, 28, 35, 0.55);
}

.steps li::before {
  position: absolute;
  top: 0.9rem;
  left: 1rem;
  width: 1.8rem;
  height: 1.8rem;
  display: grid;
  place-items: center;
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  color: var(--page-primary);
  font-size: 0.68rem;
  font-weight: 800;
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: 0.55rem;
}

.page-faq {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.page-faq details {
  border: 1px solid var(--page-border);
  border-radius: 0.85rem;
  background: rgba(17, 28, 35, 0.62);
}

.page-faq summary {
  padding: 1rem 2.8rem 1rem 1rem;
  color: var(--page-text);
  font-weight: 750;
  cursor: pointer;
}

.page-faq p {
  margin: 0;
  padding: 0 1rem 1rem;
}

.faq-groups {
  display: grid;
  gap: 0.8rem;
  margin-top: 2.5rem;
}

.faq-group {
  overflow: hidden;
  border: 1px solid var(--page-border);
  border-radius: 1rem;
  background: rgba(17, 28, 35, 0.58);
}

.faq-group[open] {
  border-color: rgba(45, 212, 191, 0.3);
  background: rgba(17, 28, 35, 0.76);
}

.faq-group-summary {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.15rem;
  list-style: none;
  cursor: pointer;
}

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

.faq-group-summary::after {
  margin-left: auto;
  color: var(--page-primary);
  font-size: 1.25rem;
  content: "+";
}

.faq-group[open] > .faq-group-summary::after {
  content: "−";
}

.faq-group h2 {
  margin: 0;
  font-size: clamp(1.1rem, 3vw, 1.45rem);
}

.faq-group-number {
  color: var(--page-primary);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.faq-group-summary small {
  display: block;
  margin-top: 0.1rem;
  color: #71858c;
  font-size: 0.72rem;
}

.faq-group-body {
  padding: 0 1rem 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.faq-answer {
  padding: 0 1rem 1rem;
}

.faq-answer p {
  padding: 0;
}

.faq-related {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  align-items: center;
  margin-top: 0.2rem;
  padding-top: 0.75rem;
  color: #71858c;
  font-size: 0.78rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.faq-related a,
.contact-note a {
  color: var(--page-primary);
  font-weight: 700;
  text-underline-offset: 0.2em;
}

.faq-category-cta {
  margin-top: 1rem;
}

.trust-panel {
  margin-top: 3.5rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: 1rem;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.09), transparent 55%),
    rgba(17, 28, 35, 0.76);
}

.trust-panel h2 {
  margin: 0.4rem 0 1.4rem;
}

.trust-meta {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.trust-meta div {
  display: grid;
  grid-template-columns: minmax(120px, 0.3fr) 1fr;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.trust-meta dt {
  color: var(--page-primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.trust-meta dd {
  margin: 0;
  color: #bdc9cc;
}

.trust-meta dd a {
  color: var(--page-primary);
  text-underline-offset: 0.2em;
}

.trust-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.safety-note {
  margin: 1.5rem 0 0;
  padding: 1rem;
  border-left: 3px solid #f6c344;
  background: rgba(246, 195, 68, 0.06);
}

.answer-box-warning {
  border-color: rgba(246, 195, 68, 0.28);
  background: linear-gradient(135deg, rgba(246, 195, 68, 0.07), rgba(45, 212, 191, 0.04));
}

.compact-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.3rem 0 2rem;
}

.compact-disclosure {
  overflow: hidden;
  margin: 1rem 0;
  border: 1px solid var(--page-border);
  border-radius: 0.9rem;
  background: rgba(17, 28, 35, 0.58);
}

.compact-disclosure[open] {
  border-color: rgba(45, 212, 191, 0.3);
}

.compact-disclosure > summary {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.1rem;
  color: var(--page-text);
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}

.compact-disclosure > summary::-webkit-details-marker {
  display: none;
}

.compact-disclosure > summary::after {
  margin-left: auto;
  color: var(--page-primary);
  font-size: 1.25rem;
  content: "+";
}

.compact-disclosure[open] > summary::after {
  content: "−";
}

.compact-disclosure > summary h2 {
  margin: 0;
  font-size: 1.1rem;
}

.compact-disclosure > summary small {
  display: block;
  margin-top: 0.15rem;
  color: #71858c;
  font-size: 0.72rem;
  font-weight: 600;
}

.compact-disclosure-body {
  padding: 0.2rem 1.1rem 1.1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.compact-disclosure-body > :last-child {
  margin-bottom: 0;
}

.trust-line {
  color: #aebdc1;
}

.trust-line a {
  color: var(--page-primary);
  font-weight: 750;
  text-underline-offset: 0.2em;
}

.data-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0 2rem;
  border: 1px solid var(--page-border);
  border-radius: 1rem;
}

.data-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: rgba(17, 28, 35, 0.65);
}

.data-table caption {
  padding: 1rem;
  color: #bdc9cc;
  font-weight: 750;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 0.9rem 1rem;
  color: #aebdc1;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--page-border);
}

.data-table thead th,
.data-table tbody th {
  color: var(--page-text);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.5rem 0 2rem;
}

.principle-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem;
  border: 1px solid var(--page-border);
  border-radius: 0.85rem;
  background: rgba(17, 28, 35, 0.62);
}

.principle-card strong {
  color: var(--page-primary);
}

.principle-card span {
  color: #aebdc1;
  font-size: 0.88rem;
}

.source-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.25rem 0 2rem;
}

.source-list a {
  padding: 0.85rem 1rem;
  color: #c9d5d7;
  text-decoration-color: rgba(45, 212, 191, 0.5);
  text-underline-offset: 0.2em;
  border: 1px solid var(--page-border);
  border-radius: 0.75rem;
  background: rgba(17, 28, 35, 0.52);
}

.source-list a:hover {
  border-color: rgba(45, 212, 191, 0.45);
}

.check-list {
  display: grid;
  gap: 0.65rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 0.8rem 0.8rem 0.8rem 2.5rem;
  border: 1px solid var(--page-border);
  border-radius: 0.75rem;
  background: rgba(17, 28, 35, 0.45);
}

.check-list li::before {
  position: absolute;
  left: 0.9rem;
  color: var(--page-primary);
  font-weight: 900;
  content: "✓";
}

.contact-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: clamp(1.2rem, 4vw, 1.8rem);
  border: 1px solid var(--page-border);
  border-radius: 1rem;
  background: rgba(17, 28, 35, 0.75);
}

.contact-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-field label {
  display: block;
  margin-bottom: 0.45rem;
  color: #bdc9cc;
  font-size: 0.82rem;
  font-weight: 750;
}

.required-marker {
  color: #f6c344;
  font-weight: 900;
}

.contact-field input,
.contact-field select,
.contact-field textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  color: var(--page-text);
  font: inherit;
  border: 1px solid var(--page-border);
  border-radius: 0.7rem;
  background: #0b141a;
  outline: none;
}

.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  border-color: var(--page-primary);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.12);
}

.contact-field textarea {
  min-height: 130px;
  resize: vertical;
}

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

.contact-form button {
  width: fit-content;
  min-height: 46px;
  padding: 0.78rem 1.3rem;
  color: #071512;
  font: inherit;
  font-weight: 800;
  border: 0;
  border-radius: 999px;
  background: var(--page-primary);
  cursor: pointer;
}

.contact-form button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.contact-note,
.form-status {
  margin: 0;
  color: #71858c;
  font-size: 0.78rem;
}

.side-card {
  position: sticky;
  top: 96px;
  padding: 1.3rem;
  border: 1px solid var(--page-border);
  border-radius: 1rem;
  background: rgba(17, 28, 35, 0.88);
}

.side-card h2 {
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.side-card p {
  color: var(--page-muted);
  font-size: 0.86rem;
}

.toc {
  display: grid;
  gap: 0.2rem;
  margin: 1rem 0 1.3rem;
}

.toc a {
  padding: 0.45rem 0;
  color: #aebdc1;
  font-size: 0.8rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.toc a:hover {
  color: var(--page-primary);
}

.related-wrap {
  padding: 4rem 1rem;
  border-top: 1px solid var(--page-border);
  background: #0e171d;
}

.related h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

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

.related-card {
  padding: 1.2rem;
  text-decoration: none;
  border: 1px solid var(--page-border);
  border-radius: 0.9rem;
  background: rgba(17, 28, 35, 0.7);
}

.related-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--page-text);
}

.related-card span {
  color: var(--page-muted);
  font-size: 0.82rem;
}

.related-card:hover,
.related-card:focus-visible {
  border-color: rgba(45, 212, 191, 0.45);
  outline: none;
}

.page-footer {
  padding: 2.5rem 1rem;
  border-top: 1px solid var(--page-border);
}

.page-footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  color: #71858c;
  font-size: 0.8rem;
}

.page-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-footer a {
  color: #9db0b5;
  text-decoration: none;
}

@media (max-width: 860px) {
  .page-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .mobile-nav summary {
    padding: 0.55rem 0.75rem;
    color: var(--page-primary);
    font-weight: 800;
    list-style: none;
    cursor: pointer;
  }

  .mobile-nav div {
    position: absolute;
    top: 64px;
    right: 1rem;
    width: min(260px, calc(100vw - 2rem));
    display: grid;
    padding: 0.65rem;
    border: 1px solid var(--page-border);
    border-radius: 0.8rem;
    background: #101b22;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  }

  .mobile-nav a {
    padding: 0.7rem;
    color: var(--page-muted);
    text-decoration: none;
  }

  .hero-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 640px;
  }

  .side-card {
    position: static;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 3.7rem;
  }

  .feature-grid,
  .related-grid,
  .contact-form-grid,
  .contact-form-grid-three,
  .principle-grid,
  .compact-summary-grid,
  .page-footer-inner {
    grid-template-columns: 1fr;
  }

  .trust-meta div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .hero-badge {
    right: 0.5rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}