:root {
  --navy: #1b3a5c;
  --navy-700: #16304c;
  --navy-900: #102540;
  --teal: #2a9d8f;
  --teal-700: #1e7a6e;
  --teal-100: #e4f2f0;
  --warm-white: #f8f6f2;
  --soft-blue: #ebf4f8;
  --warm-grey: #6b7280;
  --amber: #f4a261;
  --amber-100: #fdf3e9;
  --white: #ffffff;

  --color-bg: var(--warm-white);
  --color-surface: var(--white);
  --color-primary: var(--navy);
  --color-accent: var(--teal);
  --color-text: var(--navy);
  --color-text-muted: #5b6572;
  --color-border: #e3e1db;
  --color-border-strong: #d5d2ca;
  --color-focus: var(--teal);
  --color-danger: #b4552d;
  --color-danger-bg: #fbeee8;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --fs-h1: clamp(2.5rem, 5vw, 3.5rem);
  --fs-h2: clamp(2rem, 3.5vw, 2.5rem);
  --fs-h3: clamp(1.5rem, 2.5vw, 1.75rem);
  --fs-h4: 1.25rem;
  --fs-body-l: 1.125rem;
  --fs-body: 1rem;
  --fs-body-s: 0.875rem;
  --fs-label: 0.75rem;
  --lh-heading: 1.2;
  --lh-body: 1.65;
  --measure: 68ch;
  --measure-narrow: 52ch;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-10: 5rem;
  --space-12: 6rem;

  --container: 72rem;
  --container-narrow: 48rem;
  --container-wide: 80rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(27, 58, 92, 0.06),
    0 1px 3px rgba(27, 58, 92, 0.08);
  --shadow-md: 0 4px 12px rgba(27, 58, 92, 0.08),
    0 2px 4px rgba(27, 58, 92, 0.05);
  --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.12),
    0 4px 12px rgba(27, 58, 92, 0.06);

  --header-h: 4.5rem;
  --transition: 180ms ease;
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-2);
  color: var(--navy);
  line-height: var(--lh-heading);
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
}

h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
}

h4 {
  font-size: var(--fs-h4);
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--teal-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color var(--transition);
}

a:hover {
  color: var(--navy);
}

strong {
  font-weight: 600;
}

ul,
ol {
  margin: 0 0 var(--space-2);
  padding-left: 1.25rem;
  max-width: var(--measure);
}

li + li {
  margin-top: 0.375rem;
}

blockquote {
  margin: var(--space-3) 0;
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--teal);
  background: var(--soft-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--navy);
  font-size: var(--fs-body-l);
  max-width: var(--measure);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-4) 0;
}

::selection {
  background: var(--teal-100);
  color: var(--navy);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2);
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--navy);
  color: var(--white);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
  color: var(--white);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section--tight {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.section--soft {
  background-color: var(--soft-blue);
}

.section--surface {
  background-color: var(--color-surface);
}

.section--navy {
  background-color: var(--navy);
  color: rgba(255, 255, 255, 0.85);
}

.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 {
  color: var(--white);
}

.section--navy a:not(.btn) {
  color: var(--white);
}

.section--navy .eyebrow {
  color: #7fd1c7;
}

.section-head {
  max-width: 44rem;
  margin-bottom: var(--space-5);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--center p {
  margin-inline: auto;
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-700);
}

.lead {
  font-size: var(--fs-body-l);
  color: var(--color-text-muted);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-center {
  text-align: center;
}

.grid {
  display: grid;
  gap: var(--space-3);
}

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

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

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

.grid--sidebar {
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
}

.grid--gap-4 {
  gap: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.25;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition),
    color var(--transition), box-shadow var(--transition),
    transform var(--transition);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background-color: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background-color: var(--navy-700);
  color: var(--white);
}

.btn--secondary {
  background-color: var(--color-surface);
  border-color: var(--navy);
  color: var(--navy);
}

.btn--secondary:hover {
  background-color: var(--soft-blue);
  color: var(--navy);
}

.btn--on-navy {
  background-color: var(--white);
  color: var(--navy);
}

.btn--on-navy:hover {
  background-color: var(--soft-blue);
  color: var(--navy);
}

.btn--ghost {
  background-color: transparent;
  color: var(--teal-700);
  padding-inline: 0.75rem;
}

.btn--ghost:hover {
  background-color: var(--teal-100);
  color: var(--navy);
}

.btn--lg {
  padding: 1rem 1.875rem;
  font-size: var(--fs-body-l);
}

.btn--block {
  width: 100%;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  color: var(--teal-700);
  text-decoration: none;
}

.link-arrow::after {
  content: "→";
  transition: transform var(--transition);
}

.link-arrow:hover {
  color: var(--navy);
}

.link-arrow:hover::after {
  transform: translateX(3px);
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition),
    border-color var(--transition);
}

.card--link:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: #cfd8dc;
}

.card--soft {
  background-color: var(--soft-blue);
  border-color: transparent;
  box-shadow: none;
}

.card--flat {
  box-shadow: none;
}

.card__icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-md);
  background-color: var(--teal-100);
  color: var(--teal-700);
}

.card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.card h3,
.card h4 {
  margin-bottom: var(--space-1);
}

.card p {
  color: var(--color-text-muted);
  font-size: var(--fs-body-s);
}

.card .link-arrow {
  margin-top: var(--space-2);
  font-size: var(--fs-body-s);
}

.card .badge {
  margin-bottom: 0.75rem;
}

.card--featured {
  padding: var(--space-4);
}

.card__thumb {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  background-color: var(--soft-blue);
}

.article-featured {
  margin: 0 0 2rem;
}

.article-featured img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--soft-blue);
}

.article-meta {
  margin-top: var(--space-1);
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
}

.trust-bar {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2) var(--space-3);
  padding-block: var(--space-3);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-body-s);
  font-weight: 500;
  line-height: 1.4;
}

.trust-item svg {
  flex: none;
  width: 1.375rem;
  height: 1.375rem;
  color: var(--teal-700);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: none;
}

.step {
  position: relative;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  max-width: none;
}

.step__num {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-full);
  background-color: var(--navy);
  color: var(--white);
  font-weight: 700;
  font-size: var(--fs-body-s);
}

.step h3 {
  font-size: var(--fs-h4);
}

.step p {
  color: var(--color-text-muted);
  font-size: var(--fs-body-s);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background-color: var(--teal-100);
  color: var(--navy);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge--amber {
  background-color: var(--amber-100);
  color: #8a4b1f;
}

.notice {
  display: flex;
  gap: 0.75rem;
  padding: var(--space-2) var(--space-3);
  border-left: 4px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background-color: var(--soft-blue);
  font-size: var(--fs-body-s);
  max-width: var(--measure);
}

.notice p {
  margin: 0;
}

.notice--amber {
  border-left-color: var(--amber);
  background-color: var(--amber-100);
}

.notice--navy {
  border-left-color: var(--navy);
  background-color: var(--warm-white);
}

.notice__title {
  display: block;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  max-width: var(--measure);
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  margin: 0;
}

.checklist svg {
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  color: var(--teal-700);
}

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  max-width: none;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.info-item svg {
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  color: var(--teal-700);
}

.info-item__label {
  display: block;
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
  font-weight: 500;
}

.info-item__value {
  font-weight: 600;
  color: var(--navy);
}

.faq {
  display: grid;
  gap: 0.75rem;
  max-width: var(--measure);
}

.faq details {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-full);
  background-color: var(--teal-100);
  color: var(--teal-700);
  font-size: 1.125rem;
  line-height: 1;
  transition: transform var(--transition);
}

.faq details[open] summary::after {
  content: "−";
}

.faq details > :not(summary) {
  padding-inline: var(--space-3);
}

.faq details > :last-child {
  padding-bottom: var(--space-3);
}

.faq details p {
  color: var(--color-text-muted);
  font-size: var(--fs-body-s);
}

.sources {
  max-width: var(--measure);
  margin-top: var(--space-4);
  font-size: var(--fs-body-s);
}

.sources h2 {
  font-size: var(--fs-h4);
}

.sources ol {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.sources a {
  color: var(--teal-700);
}

.breadcrumbs {
  padding-block: var(--space-2);
  font-size: var(--fs-body-s);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: none;
}

.breadcrumbs li {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-border-strong);
}

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

.breadcrumbs a:hover {
  color: var(--teal-700);
}

.hero {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-6);
  align-items: center;
}

.hero__title {
  margin-bottom: var(--space-2);
}

.hero__title .accent {
  color: var(--teal-700);
}

.hero__lead {
  font-size: var(--fs-body-l);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

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

.hero__note {
  margin-top: var(--space-2);
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
}

.hero__visual {
  position: relative;
}

.hero__panel {
  display: grid;
  place-items: center;
  min-height: 22rem;
  border-radius: var(--radius-lg);
  background-color: var(--soft-blue);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.hero__panel img {
  width: clamp(9rem, 42%, 13rem);
  height: auto;
}

.hero__chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  background-color: var(--white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  font-size: var(--fs-body-s);
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
}

.hero__chip svg {
  width: 1.125rem;
  height: 1.125rem;
  color: var(--teal-700);
}

.hero__chip--tl {
  top: 1.5rem;
  left: -1rem;
}

.hero__chip--br {
  bottom: 1.5rem;
  right: -1rem;
}

.cta-banner {
  background-color: var(--navy);
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem) var(--space-3);
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
}

.cta-banner p {
  margin-inline: auto;
  margin-bottom: var(--space-3);
  color: rgba(255, 255, 255, 0.85);
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.form {
  display: grid;
  gap: var(--space-3);
  max-width: 34rem;
}

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

.form-field {
  display: grid;
  gap: 0.375rem;
}

.form-label {
  font-size: var(--fs-body-s);
  font-weight: 600;
  color: var(--navy);
}

.form-label .required {
  color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--navy);
  font-family: inherit;
  font-size: var(--fs-body);
  line-height: 1.4;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #98a1ab;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.16);
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

.form-textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-hint {
  font-size: var(--fs-label);
  color: var(--color-text-muted);
}

.form-error {
  font-size: var(--fs-label);
  color: var(--color-danger);
  font-weight: 500;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-field--check {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.form-field--check input {
  flex: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.2rem;
  accent-color: var(--teal);
}

.form-field--check label {
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
}

.form-field--check a {
  color: var(--teal-700);
}

.form-success {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--teal-100);
  color: var(--navy);
  font-weight: 500;
}

.quiz {
  display: grid;
  gap: var(--space-3);
  max-width: 44rem;
}

.quiz__progress {
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
  font-weight: 500;
}

.quiz__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: 0.5rem;
}

.quiz__progress-track {
  height: 0.5rem;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz__progress-bar {
  height: 100%;
  width: 12.5%;
  background-color: var(--teal);
  border-radius: var(--radius-full);
  transition: width var(--transition);
}

.quiz__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: var(--space-3);
}

.quiz__question {
  border: 0;
  padding: 0;
  margin: 0;
}

.quiz__legend {
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-2);
  line-height: 1.35;
}

.quiz__options {
  display: grid;
  gap: 0.75rem;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  cursor: pointer;
  font-weight: 500;
  transition: border-color var(--transition), background-color var(--transition);
}

.quiz-option:hover {
  border-color: var(--teal);
}

.quiz-option input {
  accent-color: var(--teal);
  width: 1.125rem;
  height: 1.125rem;
}

.quiz-option:has(input:checked) {
  border-color: var(--teal);
  background-color: var(--teal-100);
}

.quiz-result {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.quiz-result--low {
  border-color: var(--teal);
  background-color: var(--teal-100);
}

.quiz-result--medium {
  border-color: var(--amber);
  background-color: var(--amber-100);
}

.quiz-result--high {
  border-color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

.quiz-result__score {
  font-size: var(--fs-body-s);
  font-weight: 600;
  color: var(--color-text-muted);
}

.result-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}

.result-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.result-icon--low {
  background-color: var(--teal-100);
  color: var(--teal-700);
}

.result-icon--medium {
  background-color: var(--amber-100);
  color: var(--amber);
}

.result-icon--high {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.placeholder-img {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.375rem;
  min-height: 14rem;
  padding: var(--space-2);
  border: 1px dashed #b9cbd6;
  border-radius: var(--radius-md);
  background-color: var(--soft-blue);
  color: #4a6b7c;
  font-size: var(--fs-body-s);
  text-align: center;
}

.placeholder-img svg {
  width: 2rem;
  height: 2rem;
}

.placeholder-img--portrait {
  aspect-ratio: 3 / 4;
  min-height: 0;
}

.placeholder-img--wide {
  aspect-ratio: 16 / 9;
  min-height: 0;
}

.portrait {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.portrait-caption {
  margin-top: 0.5rem;
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
}

.photo-wide {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(248, 246, 242, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.brand img {
  height: 2.25rem;
  width: auto;
}

.nav {
  margin-left: auto;
  flex: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: none;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.625rem;
  border-radius: var(--radius-sm);
  color: var(--navy);
  font-size: var(--fs-body-s);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition), background-color var(--transition);
}

.nav__link:hover {
  color: var(--teal-700);
  background-color: rgba(42, 157, 143, 0.08);
}

.nav__link[aria-current="page"] {
  color: var(--teal-700);
  font-weight: 600;
}

.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}

.nav__dropdown-toggle::after {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition);
}

.nav__dropdown[data-open="true"] .nav__dropdown-toggle::after,
.nav__dropdown:hover .nav__dropdown-toggle::after {
  transform: rotate(225deg) translateY(-1px);
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 16rem;
  padding: 0.5rem;
  margin: 0;
  list-style: none;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition), transform var(--transition),
    visibility var(--transition);
}

.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown:focus-within .nav__dropdown-menu,
.nav__dropdown[data-open="true"] .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--navy);
  font-size: var(--fs-body-s);
  text-decoration: none;
}

.nav__dropdown-menu a:hover {
  background-color: var(--soft-blue);
  color: var(--teal-700);
}

.nav__cta {
  margin-left: 0.5rem;
}

.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--navy);
  cursor: pointer;
}

.nav__toggle svg {
  width: 1.375rem;
  height: 1.375rem;
}

.nav__toggle .icon-close {
  display: none;
}

.site-header[data-nav-open="true"] .nav__toggle .icon-close {
  display: block;
}

.site-header[data-nav-open="true"] .nav__toggle .icon-menu {
  display: none;
}

.site-footer {
  background-color: var(--navy);
  color: rgba(255, 255, 255, 0.85);
  padding-block: var(--space-6) var(--space-3);
}

.site-footer h2,
.site-footer h3 {
  color: var(--white);
  font-size: var(--fs-body);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: var(--space-4);
}

.footer-brand img {
  height: 2.25rem;
  width: auto;
  margin-bottom: var(--space-2);
}

.footer-brand p {
  font-size: var(--fs-body-s);
  color: rgba(255, 255, 255, 0.75);
  max-width: 20rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: none;
}

.footer-links li + li {
  margin-top: 0.5rem;
}

.footer-links a {
  font-size: var(--fs-body-s);
}

.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: none;
  font-size: var(--fs-body-s);
}

.footer-contact li {
  display: flex;
  gap: 0.625rem;
  margin-top: 0.625rem;
}

.footer-contact svg {
  flex: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.2rem;
  color: #7fd1c7;
}

.footer__bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: var(--fs-label);
  color: rgba(255, 255, 255, 0.7);
}

.footer__bottom p {
  max-width: none;
}

.footer__bottom a {
  text-decoration: underline;
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.prose {
  max-width: var(--measure);
}

.prose h2 {
  margin-top: var(--space-5);
}

.prose h3 {
  margin-top: var(--space-4);
}

.prose > :first-child {
  margin-top: 0;
}

.prose figure {
  margin: var(--space-4) 0;
}

.prose figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
}

.prose figcaption {
  margin-top: var(--space-1);
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
}

.prose table {
  width: 100%;
  margin: var(--space-3) 0;
  border-collapse: collapse;
  font-size: var(--fs-body-s);
}

.prose th,
.prose td {
  text-align: left;
  vertical-align: top;
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.prose thead th {
  background-color: var(--soft-blue);
  color: var(--navy);
  font-weight: 600;
  border-bottom: 2px solid var(--color-border-strong);
}

.prose tbody tr:last-child td {
  border-bottom: 0;
}

.page-header {
  padding-block: var(--space-5) var(--space-3);
}

.page-header--soft {
  background-color: var(--soft-blue);
}

.page-header h1 {
  max-width: 40rem;
}

.page-header .lead {
  max-width: 44rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 64rem) {
  .grid--4,
  .trust-bar__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

@media (max-width: 64rem) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    margin: 0;
    padding: var(--space-2) var(--space-3) var(--space-3);
    background-color: var(--warm-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    display: none;
  }

  .site-header[data-nav-open="true"] .nav {
    display: block;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav__link {
    padding: 0.75rem;
    font-size: var(--fs-body);
  }

  .nav__dropdown-menu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    border-left: 2px solid var(--color-border);
    border-radius: 0;
    margin: 0.25rem 0 0.25rem 0.75rem;
    padding: 0;
  }

  .nav__dropdown[data-open="true"] .nav__dropdown-menu {
    display: block;
  }

  .nav__cta {
    margin: 0.5rem 0 0;
  }

  .nav__toggle {
    display: inline-flex;
    margin-left: auto;
  }
}

@media (max-width: 56rem) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .grid--3,
  .grid--2,
  .grid--sidebar,
  .steps {
    grid-template-columns: 1fr;
  }

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

  .prose table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 30rem) {
  .trust-bar__grid,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero__actions .btn,
  .cta-banner__actions .btn {
    width: 100%;
  }
}

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

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

/* ---------------------------------------------------------------------------
   Tools (cong-cu): calculators + observation checklist print
   --------------------------------------------------------------------------- */

.observe-group {
  margin-top: var(--space-3);
}

.observe-group h3 {
  margin-bottom: 0.75rem;
}

.badge-strip {
  display: grid;
  gap: 0.75rem;
  justify-items: start;
  margin: var(--space-3) 0;
}

.badge-strip img {
  display: block;
  width: 100%;
  max-width: 26rem;
  height: auto;
}

.print-only {
  display: none;
}

.print-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--navy);
  margin-bottom: 1.25rem;
}

.print-header img {
  height: 2rem;
  width: auto;
}

.print-header p {
  margin: 0;
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
  text-align: right;
}

.print-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border-strong);
  margin-top: 1.5rem;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.print-footer p {
  margin: 0 0 0.2rem;
}

.print-footer img {
  width: 3.25rem;
  height: 3.25rem;
}

/* Cookie consent banner (analytics loads only after consent) */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 1200;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  max-width: 36rem;
  margin-left: auto;
  padding: 1rem 1.25rem;
  background: var(--white);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(16, 37, 64, 0.2);
}

.cookie-banner p {
  flex: 1 1 18rem;
  margin: 0;
  font-size: var(--fs-body-s);
  line-height: 1.5;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cookie-banner .btn {
  padding: 0.5rem 1rem;
  font-size: var(--fs-body-s);
}

@media print {
  .site-header,
  .nav__toggle,
  .cta-banner,
  .site-footer,
  .cookie-banner,
  [data-no-print] {
    display: none !important;
  }

  .print-only {
    display: block;
  }

  .print-header {
    display: flex;
  }

  .print-footer {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
  }

  body {
    background: var(--white);
  }

  .quiz-result,
  .notice,
  .observe-group {
    break-inside: avoid;
  }

  a {
    text-decoration: none;
  }
}