/* 1. Font-face */
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-SemiBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

/* 2. Root design tokens */
:root {
  --color-background: #f7f6f2;
  --color-surface: #ffffff;
  --color-surface-muted: #efeee9;
  --color-text-primary: #20231f;
  --color-text-muted: #5d625b;
  --color-border: #d8d9d3;
  --color-border-strong: #b8bbb3;
  --color-action: #126147;
  --color-action-hover: #0a4d38;
  --color-focus-ring: #148661;
  --color-danger: #9b2f2f;
  --color-success: #2f6c50;
  --shadow-header: 0 1px 0 rgba(32, 35, 31, 0.06);
  --shadow-card: 0 10px 28px rgba(32, 35, 31, 0.07);
  --radius-small: 0.5rem;
  --radius-medium: 0.875rem;
  --radius-large: 1.25rem;
  --site-width: 70rem;
  --text-width: 43rem;
  --header-height: 4.25rem;
}

/* 3. Base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
}

body {
  min-width: 20rem;
  margin: 0;
  overflow-x: clip;
  background: var(--color-background);
  color: var(--color-text-primary);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body,
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

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

a {
  color: var(--color-action);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

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

button,
summary {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-text-primary);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.35rem, 5.5vw, 4rem);
}

h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.15rem;
}

ul,
ol {
  margin-top: 0;
}

.site-shell {
  width: min(calc(100% - 2rem), var(--site-width));
  margin-inline: auto;
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-heading {
  max-width: var(--text-width);
  margin-bottom: 2rem;
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

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

/* 4. Accessibility helpers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1100;
  top: 0.75rem;
  left: 0.75rem;
  min-height: 2.75rem;
  padding: 0.58rem 1rem;
  transform: translateY(-180%);
  border-radius: var(--radius-small);
  background: var(--color-text-primary);
  color: var(--color-surface);
  font-weight: 700;
  text-decoration: none;
}

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

:where(a, button, summary, [tabindex]):focus {
  outline: 2px solid transparent;
  outline-offset: 3px;
}

:where(a, button, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
  border-radius: 0.25rem;
}

#main-content:focus {
  outline: none;
}

/* 5. Header and navigation */
.site-header {
  position: sticky;
  z-index: 1030;
  top: 0;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  background: rgba(247, 246, 242, 0.97);
  box-shadow: var(--shadow-header);
}

.site-header__inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  gap: 0.85rem;
}

.menu-toggle,
.nav-close {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  background: transparent;
  color: var(--color-text-primary);
  cursor: pointer;
}

.menu-toggle {
  flex-direction: column;
  gap: 0.28rem;
}

.menu-toggle:hover,
.nav-close:hover {
  border-color: var(--color-border);
  background: var(--color-surface-muted);
}

.menu-toggle__icon {
  width: 1.5rem;
  height: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  color: var(--color-text-primary);
  font-size: 1.12rem;
  letter-spacing: -0.025em;
  line-height: 1;
  text-decoration: none;
}

.brand:hover {
  color: var(--color-text-primary);
}

.brand__primary {
  font-weight: 700;
}

.brand__secondary {
  margin-left: 0.3em;
  color: var(--color-text-muted);
  font-weight: 400;
}

.donation-button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-text-primary);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}

.donation-button:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-muted);
  color: var(--color-text-primary);
}

.donation-button img {
  width: 1.125rem;
  height: 1.125rem;
}

.donation-button--header {
  margin-left: auto;
}

.donation-button__short-label {
  display: none;
}

.site-offcanvas {
  --bs-offcanvas-width: min(25rem, 92vw);
  --bs-offcanvas-bg: var(--color-surface);
  --bs-offcanvas-color: var(--color-text-primary);
  position: fixed;
  z-index: 1045;
  top: 0;
  bottom: 0;
  left: 0;
  display: flex;
  width: var(--bs-offcanvas-width);
  max-width: 100%;
  flex-direction: column;
  border-right: 1px solid var(--color-border);
  background: var(--bs-offcanvas-bg);
  color: var(--bs-offcanvas-color);
  outline: 0;
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 220ms ease-in-out, visibility 220ms ease-in-out;
}

.site-offcanvas.show {
  transform: none;
  visibility: visible;
}

.offcanvas-backdrop {
  position: fixed;
  z-index: 1040;
  inset: 0;
  background: var(--color-text-primary);
  opacity: 0;
  transition: opacity 220ms ease-in-out;
}

.offcanvas-backdrop.show {
  opacity: 0.42;
}

body.fallback-offcanvas-open {
  overflow: hidden;
}

.site-offcanvas__header {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem 0.85rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.site-offcanvas__eyebrow {
  margin: 0 0 0.2rem;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
}

.site-offcanvas__title {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.015em;
}

.nav-close {
  position: relative;
}

.nav-close__line {
  position: absolute;
  width: 1.15rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.nav-close__line--one {
  transform: rotate(45deg);
}

.nav-close__line--two {
  transform: rotate(-45deg);
}

.site-offcanvas__body {
  display: flex;
  flex-grow: 1;
  flex-direction: column;
  overflow-y: auto;
  padding: 0.75rem;
}

.tool-nav,
.secondary-nav ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.tool-nav {
  display: grid;
  gap: 0.15rem;
}

.tool-nav__link {
  display: grid;
  min-height: 4rem;
  grid-template-columns: 2.15rem minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  color: var(--color-text-primary);
  text-decoration: none;
}

.tool-nav__link:hover,
.tool-nav__link[aria-current="page"] {
  border-color: var(--color-border);
  background: var(--color-surface-muted);
  color: var(--color-text-primary);
}

.tool-nav__link[aria-current="page"] {
  box-shadow: inset 3px 0 0 var(--color-action);
}

.tool-nav__icon {
  display: inline-flex;
  width: 2.15rem;
  height: 2.15rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-primary);
}

.tool-nav__icon img {
  width: 1.5rem;
  height: 1.5rem;
}

.tool-nav__name,
.tool-nav__description {
  display: block;
}

.tool-nav__name {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
}

.tool-nav__description {
  margin-top: 0.15rem;
  color: var(--color-text-muted);
  font-size: 0.77rem;
  line-height: 1.35;
}

.secondary-nav {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.offcanvas-donation {
  padding: 1rem 0.7rem;
  margin-top: auto;
}

.offcanvas-donation__copy {
  margin-bottom: 0.7rem;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: center;
}

.donation-button--panel {
  width: 100%;
}

.secondary-nav ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.15rem;
}

.secondary-nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.secondary-nav a:hover,
.secondary-nav a[aria-current="page"] {
  background: var(--color-surface-muted);
  color: var(--color-text-primary);
}

/* 6. Hero */
.hero {
  padding: clamp(2.25rem, 4.5vw, 3.5rem) 0 clamp(1.5rem, 3vw, 2.25rem);
}

.hero__inner {
  max-width: var(--site-width);
}

.hero__copy {
  max-width: 39rem;
  margin-bottom: 1.4rem;
  color: var(--color-text-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.trust-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  padding: 0;
  margin: 0;
  color: var(--color-text-primary);
  list-style: none;
}

.trust-points li {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  font-size: 0.94rem;
  font-weight: 600;
}

.trust-points i {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* 7. Tool grid and cards */
.tools-section {
  padding: 0 0 clamp(4rem, 7vw, 6.5rem);
}

.tools-section .section-heading {
  margin-bottom: 1.5rem;
}

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

.tool-card {
  display: flex;
  min-width: 0;
  min-height: 15.75rem;
  flex-direction: column;
  padding: 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.tool-card:hover,
.tool-card:focus-visible {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.tool-card__icon {
  display: inline-flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.15rem;
  color: var(--color-text-primary);
  font-size: 1.1rem;
}

.tool-card__icon img {
  width: 2.5rem;
  height: 2.5rem;
}

.tool-card > p {
  margin-bottom: 1.35rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.tool-card__action {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  align-self: flex-start;
  gap: 0.45rem;
  margin-top: auto;
  color: var(--color-action);
  font-size: 0.9rem;
  font-weight: 700;
}

.tool-card__action::after {
  content: "→";
  transition: transform 160ms ease;
}

.tool-card:hover .tool-card__action::after,
.tool-card:focus-visible .tool-card__action::after {
  transform: translateX(0.18rem);
}

/* 8. Trust strip */
.trust-strip-section {
  padding-bottom: clamp(3rem, 5vw, 4.5rem);
}

.trust-strip {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 1rem;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface-muted);
}

.trust-strip__icon {
  display: inline-flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-text-primary);
}

.trust-strip__icon img {
  width: 2rem;
  height: 2rem;
}

.trust-strip h2 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

.trust-strip p {
  max-width: 51rem;
  margin-bottom: 0.6rem;
  color: var(--color-text-muted);
}

.trust-strip a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  font-weight: 700;
}

/* 9. Advertisement placeholders */
/*
 * AdSense approval pending.
 * Remove `ads-pending` from a page's <body> after approval to restore its ads.
 */
.ads-pending .ad-slot,
.ads-pending .bottom-ad-section,
.ads-pending .tool-bottom-ad-section,
.ads-pending .home-content-rail {
  display: none !important;
}

.ads-pending .home-content-layout,
.ads-pending .tool-workspace-layout {
  grid-template-columns: minmax(0, 1fr) !important;
}

/* Advertisement layout */
.home-content-layout,
.home-content-main,
.home-content-rail {
  min-width: 0;
}

.home-content-rail {
  display: none;
}

.bottom-ad-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

/* Advertisement base */
.ad-slot {
  display: flex;
  max-width: 100%;
  min-height: 10rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-small);
  background: #f1f0ec;
  color: var(--color-text-muted);
  box-shadow: none;
  cursor: default;
  text-align: center;
  transform: none;
  transition: none;
  animation: none;
}

.ad-slot__label {
  color: #4f544d;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.ad-slot__preview {
  display: flex;
  width: 100%;
  min-height: 4rem;
  flex: 1;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.ad-slot--desktop-rail,
.ad-slot--tablet-inline,
.ad-slot--mobile-mid {
  display: none;
}

/* Desktop right rail */
.ad-slot--desktop-rail {
  min-height: 35rem;
}

/* Tablet inline advertisement */
.ad-slot--tablet-inline {
  min-height: 11rem;
  margin-block: 2rem;
}

/* Mobile inline advertisement */
.ad-slot--mobile-mid {
  min-height: 15.625rem;
  grid-column: 1 / -1;
  margin-block: 1rem;
}

/* Bottom advertisement */
.ad-slot--bottom {
  min-height: clamp(11rem, 18vw, 15rem);
}

/* Advertisement breakpoints */
@media (min-width: 80rem) {
  .home-content-layout {
    display: grid;
    width: min(calc(100% - 2rem), 78rem);
    grid-template-columns: minmax(0, 1fr) minmax(17.5rem, 18.75rem);
    align-items: start;
    gap: 2rem;
    margin-inline: auto;
    isolation: isolate;
  }

  .home-content-main .site-shell {
    width: 100%;
    margin-inline: 0;
  }

  .home-content-main .content-section--tinted {
    box-shadow: 0 0 0 100vmax var(--color-surface);
    clip-path: inset(0 -100vmax);
  }

  .home-content-rail {
    display: block;
    align-self: stretch;
  }

  .ad-slot--desktop-rail {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    display: flex;
  }
}

@media (min-width: 48rem) and (max-width: 79.9375rem) {
  .ad-slot--tablet-inline {
    display: flex;
  }
}

@media (max-width: 47.9375rem) {
  .ad-slot--mobile-mid {
    display: flex;
  }
}

/* 10. Content sections */
.content-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.content-section--tinted {
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin-bottom: 1.4rem;
  list-style: none;
}

.step {
  min-width: 0;
  padding: 1.5rem 1.35rem;
  border-top: 1px solid var(--color-border-strong);
}

.step__number {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.step p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.section-note {
  max-width: 50rem;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  text-align: center;
}

.why-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.why-layout__intro > p:last-child {
  color: var(--color-text-muted);
}

.reason-list {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
}

.reason-list li {
  position: relative;
  min-height: 3.25rem;
  padding: 0.82rem 0 0.82rem 1.35rem;
  border-bottom: 1px solid var(--color-border);
}

.reason-list li:first-child {
  border-top: 1px solid var(--color-border);
}

.reason-list li::before {
  position: absolute;
  top: 1.5rem;
  left: 0.15rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--color-text-muted);
  content: "";
}

/* 11. FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.faq-list {
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  position: relative;
  min-height: 4rem;
  padding: 1.15rem 3rem 1.15rem 0;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.5;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 0.35rem;
  width: 1rem;
  height: 1rem;
  color: var(--color-text-muted);
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 0.75;
  text-align: center;
  transform: translateY(-50%);
}

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

.faq-item__answer {
  max-width: 43rem;
  padding: 0 2.75rem 1.25rem 0;
  color: var(--color-text-muted);
}

.faq-item__answer p:last-child {
  margin-bottom: 0;
}

/* 12. Footer */
.site-footer {
  padding: clamp(3.5rem, 6vw, 5rem) 0 2rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-muted);
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.brand--footer {
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.site-footer__brand > p:last-child {
  max-width: 29rem;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.1rem 1.2rem;
}

.footer-nav a,
.site-footer__bottom a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

.footer-nav a:hover,
.site-footer__bottom a:hover {
  color: var(--color-action-hover);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.site-footer__bottom p {
  margin: 0;
}

/* 13. Responsive rules */
@media (min-width: 62rem) {
  .tool-card:last-child {
    grid-column: 2;
  }
}

@media (max-width: 61.9375rem) {
  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 47.9375rem) {
  .hero {
    padding-top: 3rem;
  }

  .steps,
  .why-layout,
  .faq-layout,
  .site-footer__top {
    grid-template-columns: 1fr;
  }

  .why-layout,
  .faq-layout {
    gap: 2rem;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 35.9375rem) {
  .site-shell {
    width: min(calc(100% - 1.5rem), var(--site-width));
  }

  .site-header__inner {
    gap: 0.55rem;
  }

  .brand {
    font-size: 1.02rem;
  }

  .donation-button--header {
    padding-inline: 0.72rem;
  }

  .donation-button__full-label {
    display: none;
  }

  .donation-button__short-label {
    display: inline;
  }

  h1 {
    font-size: clamp(2.15rem, 12vw, 3rem);
  }

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

  .tool-card {
    display: grid;
    min-height: 7.25rem;
    grid-template-columns: 3rem minmax(0, 1fr) 1.5rem;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 1rem;
    row-gap: 0.2rem;
    padding: 0.75rem 1rem;
  }

  .tool-card__icon {
    grid-row: 1 / span 2;
    grid-column: 1;
    margin-bottom: 0;
  }

  .tool-card h3 {
    grid-row: 1;
    grid-column: 2;
    align-self: end;
    margin-bottom: 0;
    font-size: 1rem;
  }

  .tool-card > p {
    grid-row: 2;
    grid-column: 2;
    align-self: start;
    margin-bottom: 0;
    font-size: 0.86rem;
    line-height: 1.4;
  }

  .tool-card__action {
    width: 1.5rem;
    min-height: 2.75rem;
    grid-row: 1 / span 2;
    grid-column: 3;
    align-self: center;
    justify-content: center;
    margin-top: 0;
    font-size: 0;
  }

  .tool-card__action::after {
    font-size: 1.15rem;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .trust-strip__icon {
    width: 2.75rem;
    height: 2.75rem;
  }

  .secondary-nav ul {
    grid-template-columns: 1fr;
  }

  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* 14. Reduced-motion rules */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .tool-card:hover,
  .tool-card:focus-visible {
    transform: none;
  }

  .tool-card:hover .tool-card__action::after,
  .tool-card:focus-visible .tool-card__action::after {
    transform: none;
  }
}

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

/* 15. About page */
.about-hero {
  padding: clamp(6rem, 10vw, 9rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--color-border);
}

.about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  align-items: end;
}

.about-hero h1 {
  max-width: 14ch;
}

.about-hero__lead {
  max-width: 39rem;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
}

.about-promise {
  padding: 1.5rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-large);
  background: var(--color-surface);
}

.about-promise__label {
  margin-bottom: 0.65rem;
  color: var(--color-text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-promise__statement {
  margin-bottom: 0.75rem;
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.about-promise__note {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.about-story {
  display: grid;
  grid-template-columns: minmax(12rem, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(2rem, 8vw, 7rem);
  align-items: start;
}

.about-story__copy {
  max-width: 43rem;
}

.about-story__copy p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.about-story__copy p:last-child {
  margin-bottom: 0;
}

.about-process {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.about-process .steps {
  margin-bottom: 0;
}

.about-process .step {
  background: var(--color-surface);
}

.about-verification {
  max-width: 50rem;
  margin: 1.5rem auto 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-verification summary {
  position: relative;
  padding: 1rem 2.5rem 1rem 0;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

.about-verification summary::after {
  position: absolute;
  top: 50%;
  right: 0.25rem;
  color: var(--color-text-muted);
  content: "+";
  font-size: 1.15rem;
  font-weight: 400;
  transform: translateY(-50%);
}

.about-verification[open] summary::after {
  content: "\2212";
}

.about-verification p {
  max-width: 43rem;
  padding: 0 2.5rem 1rem 0;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.principle {
  min-width: 0;
  padding: clamp(1.4rem, 3vw, 2rem);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.principle__icon {
  display: inline-flex;
  width: 2.6rem;
  height: 2.6rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-text-muted);
}

.principle p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.about-note {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(15rem, 0.75fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
}

.about-note__copy {
  max-width: 43rem;
}

.about-note__copy > p:last-child {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.about-contact-card {
  padding: 1.5rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-medium);
  background: var(--color-background);
}

.about-contact-card p {
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.about-contact-card a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.about-contact-card__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.about-copy-email {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.55rem;
  padding: 0;
  border: 0;
  color: var(--color-text-muted);
  background: transparent;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.about-copy-email:hover {
  color: var(--color-text);
}

.about-copy-status {
  min-height: 1.25rem;
  margin: 0.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.about-tools-cta {
  padding-top: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.about-tools-cta a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-text-muted);
  font-weight: 700;
}

.about-tools-cta a:hover {
  color: var(--color-text);
}

@media (max-width: 47.9375rem) {
  .about-hero__grid,
  .about-story,
  .about-note {
    grid-template-columns: 1fr;
  }

  .about-hero__grid {
    align-items: start;
  }
}

@media (max-width: 35.9375rem) {
  .principle-grid {
    grid-template-columns: 1fr;
  }
}

/* Privacy policy */
.policy-hero {
  padding: clamp(6rem, 10vw, 9rem) 0 clamp(3rem, 6vw, 5rem);
  background:
    radial-gradient(circle at 88% 12%, rgba(27, 94, 74, 0.09), transparent 23rem),
    var(--color-surface-muted);
  border-bottom: 1px solid var(--color-border);
}

.policy-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(2rem, 7vw, 6.5rem);
  align-items: end;
}

.policy-hero h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(2.75rem, 7vw, 5.6rem);
  letter-spacing: -0.055em;
}

.policy-hero__lead {
  max-width: 42rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.72;
}

.policy-meta {
  margin: 1.75rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.policy-promise {
  padding: 1.4rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-large);
}

.policy-promise__heading {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.policy-promise__icon {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  place-items: center;
  color: var(--color-action);
  background: rgba(18, 97, 71, 0.08);
  border-radius: 50%;
}

.policy-promise p { margin: 0; }
.policy-promise__title { font-weight: 800; }
.policy-promise__description { margin: 0.55rem 0 0 calc(2.75rem + 1rem) !important; color: var(--color-text-muted); font-size: 0.94rem; line-height: 1.6; }

.policy-section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }

.policy-layout {
  display: grid;
  grid-template-columns: 14rem minmax(0, 47rem);
  gap: clamp(2.5rem, 7vw, 6.5rem);
  justify-content: center;
  align-items: start;
}

.policy-toc {
  position: sticky;
  top: 6.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--color-border-strong);
}

.policy-toc > p {
  margin: 0 0 0.8rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.policy-toc nav { display: grid; gap: 0.2rem; }
.policy-toc a { padding: 0.3rem 0; color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.35; }
.policy-toc a:hover { color: var(--color-action); }

.policy-content > section {
  scroll-margin-top: 6.5rem;
  padding-bottom: clamp(3rem, 6vw, 4.75rem);
  margin-bottom: clamp(3rem, 6vw, 4.75rem);
  border-bottom: 1px solid var(--color-border);
}

.policy-content > section:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.policy-content h2 { margin-bottom: 1.35rem; font-size: clamp(1.7rem, 3vw, 2.35rem); letter-spacing: -0.035em; }
.policy-content h3 { margin: 2rem 0 0.7rem; font-size: 1.08rem; }
.policy-content p, .policy-content li { color: var(--color-text-muted); line-height: 1.8; }
.policy-content p { margin-bottom: 1rem; }
.policy-content ul { display: grid; gap: 0.7rem; padding-left: 1.25rem; margin: 0; }
.policy-content strong { color: var(--color-text-primary); }
.policy-content a { color: var(--color-action); font-weight: 700; text-decoration: underline; text-decoration-thickness: 0.08em; text-underline-offset: 0.16em; }

.policy-summary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.policy-summary-grid > div {
  padding: 1.25rem 1.4rem;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
}

.policy-summary-grid__heading {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.policy-summary-grid i {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  place-items: center;
  color: var(--color-action);
  font-size: 1.05rem;
  background: rgba(18, 97, 71, 0.08);
  border-radius: 50%;
}
.policy-summary-grid h3 { margin: 0; font-size: 1.05rem; }
.policy-summary-grid > div > p { margin: 0.55rem 0 0 calc(2.75rem + 1rem); font-size: 0.95rem; line-height: 1.65; }

.policy-callout,
.policy-choice-box {
  margin-top: 1.5rem;
  padding: 1.3rem 1.4rem;
  background: rgba(18, 97, 71, 0.08);
  border-left: 3px solid var(--color-action);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
}

.policy-callout__heading { display: flex; gap: 0.85rem; align-items: flex-start; }
.policy-callout i { flex: 0 0 auto; margin-top: 0.35rem; color: var(--color-action); }
.policy-callout p, .policy-choice-box p { margin: 0; color: var(--color-text-primary); }
.policy-choice-box__title { margin-bottom: 0.55rem !important; font-weight: 800; }

.policy-link-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-top: 1.5rem; }
.policy-link-row a { display: flex; min-height: 4rem; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; text-decoration: none; border: 1px solid var(--color-border-strong); border-radius: var(--radius-medium); }
.policy-link-row a:hover { background: var(--color-surface-muted); }

.policy-attribution {
  margin-top: 2.5rem !important;
  padding-top: 1.5rem;
  color: var(--color-text-muted) !important;
  font-size: 0.84rem;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 61.9375rem) {
  .policy-layout { grid-template-columns: 1fr; }
  .policy-toc { position: static; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); }
  .policy-toc nav { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1rem; }
}

@media (max-width: 47.9375rem) {
  .policy-hero__inner { grid-template-columns: 1fr; align-items: start; }
  .policy-promise { max-width: 30rem; }
  .policy-link-row { grid-template-columns: 1fr; }
}

@media (max-width: 35.9375rem) {
  .policy-toc nav { grid-template-columns: 1fr; }
}

/* Open-source licenses */
.license-content code { padding: 0.12em 0.34em; border-radius: 0.3rem; background: var(--color-surface-muted); color: var(--color-text-primary); font-size: 0.88em; overflow-wrap: anywhere; }
.policy-layout--licenses { grid-template-columns: 12rem minmax(0, 70rem); }
.policy-layout--licenses > .license-content { min-width: 0; }
.license-list { display: grid; gap: 1rem; }
.license-list--compact { gap: 0.85rem; }
.license-item { padding: clamp(1.15rem, 3vw, 1.55rem); border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.license-item__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.license-item h3 { margin: 0; font-size: 1.15rem; }
.license-item__use { margin: 0.3rem 0 0 !important; font-size: 0.88rem; line-height: 1.5 !important; }
.license-badge { display: inline-flex; min-height: 1.8rem; flex: 0 0 auto; align-items: center; padding: 0.22rem 0.58rem; border: 1px solid #acd0c2; border-radius: 999px; background: #edf7f2; color: var(--color-action); font-size: 0.72rem; font-weight: 800; line-height: 1.25; text-align: center; }
.license-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem 1rem; padding: 1rem 0; margin: 0 0 1rem; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.license-facts div { min-width: 0; }
.license-facts dt { color: var(--color-text-muted); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.license-facts dd { margin: 0.15rem 0 0; color: var(--color-text-primary); font-size: 0.9rem; line-height: 1.5; }
.license-links { display: flex; flex-wrap: wrap; gap: 0.45rem 1rem; padding-top: 0.85rem; margin: 0 !important; border-top: 1px solid var(--color-border); font-size: 0.85rem; }
.license-table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.license-table { width: 100%; min-width: 66rem; border-collapse: collapse; font-size: 0.86rem; }
.license-table th, .license-table td { padding: 0.95rem 1rem; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.license-table thead th { background: var(--color-surface-muted); color: var(--color-text-primary); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; }
.license-table tbody tr:last-child > * { border-bottom: 0; }
.license-content > #interface { display: none; }
.license-text-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.license-text-grid > a { display: flex; min-height: 5rem; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.9rem 1rem; border: 1px solid var(--color-border-strong); border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-text-primary); text-decoration: none; }
.license-text-grid > a:hover { border-color: var(--color-action); background: #f1f7f4; color: var(--color-action); }
.license-text-grid span, .license-text-grid small { display: block; }
.license-text-grid small { margin-top: 0.18rem; color: var(--color-text-muted); font-size: 0.76rem; font-weight: 400; }
.license-text-grid i { flex: 0 0 auto; font-size: 0.8rem; }

@media (max-width: 47.9375rem) {
  .license-item__top { display: grid; }
  .license-badge { justify-self: start; }
  .license-facts, .license-text-grid { grid-template-columns: 1fr; }
}

@media (max-width: 61.9375rem) {
  .policy-layout--licenses { grid-template-columns: 1fr; }
}

/* 20. Support page */
.support-hero {
  padding: clamp(6rem, 10vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 84% 18%, rgba(18, 97, 71, 0.1), transparent 24rem),
    var(--color-background);
}

.support-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  align-items: center;
  padding-top: 2.5rem;
}

.support-hero__copy h1 { max-width: 12ch; }
.support-hero__copy > p:not(.eyebrow) { max-width: 42rem; color: var(--color-text-muted); font-size: clamp(1.05rem, 2vw, 1.24rem); line-height: 1.7; }
.support-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1.25rem; margin-top: 2rem; }

.support-primary-action,
.support-secondary-action {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 800;
  text-decoration: none;
}

.support-primary-action { padding: 0.8rem 1.15rem; border: 1px solid var(--color-action); border-radius: var(--radius-small); background: var(--color-action); color: #fff; }
.support-primary-action:hover { border-color: var(--color-action-hover); background: var(--color-action-hover); color: #fff; }
.support-secondary-action { color: var(--color-text-primary); }
.support-secondary-action:hover { color: var(--color-action); text-decoration: underline; text-underline-offset: 0.2em; }
.support-hero__copy .support-hero__fine-print { max-width: 38rem; margin: 1.25rem 0 0; font-size: 0.82rem; line-height: 1.6; }

.support-summary { padding: clamp(1.5rem, 4vw, 2rem); border: 1px solid var(--color-border-strong); border-radius: var(--radius-large); background: var(--color-surface); }
.support-summary__icon { display: grid; width: 3.4rem; height: 3.4rem; place-items: center; margin-bottom: 1.2rem; border: 1px solid var(--color-border); border-radius: 50%; background: var(--color-background); }
.support-summary__icon img { width: 1.65rem; height: 1.65rem; }
.support-summary__title { margin-bottom: 1rem; font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.support-summary ul { display: grid; gap: 0.75rem; padding: 0; margin: 0; list-style: none; }
.support-summary li { position: relative; padding-left: 1.6rem; color: var(--color-text-muted); }
.support-summary li::before { position: absolute; left: 0; color: var(--color-action); content: "✓"; font-weight: 800; }

.support-section { padding: clamp(4rem, 8vw, 7rem) 0; }
.support-section--tinted { border-block: 1px solid var(--color-border); background: var(--color-surface); }
.support-purpose-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2.5rem; }
.support-purpose-grid article { padding: clamp(1.35rem, 3vw, 1.8rem); border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.support-purpose-grid article > span { display: grid; width: 2.8rem; height: 2.8rem; place-items: center; margin-bottom: 1.1rem; border: 1px solid var(--color-border-strong); border-radius: 50%; color: var(--color-action); }
.support-purpose-grid h3 { font-size: 1.1rem; }
.support-purpose-grid p { margin: 0; color: var(--color-text-muted); }

.support-details { display: grid; grid-template-columns: minmax(14rem, 0.6fr) minmax(0, 1.4fr); gap: clamp(2.5rem, 8vw, 7rem); align-items: start; }
.support-details__heading { position: sticky; top: 6.5rem; }
.support-details__heading p:last-child { color: var(--color-text-muted); }
.support-detail-list { display: grid; gap: 1rem; }
.support-detail-list article { padding: 1.4rem 1.5rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-background); }
.support-detail-list h3 { display: flex; gap: 0.7rem; align-items: flex-start; margin-bottom: 0.7rem; font-size: 1.08rem; }
.support-detail-list h3 i { width: 1.25rem; flex: 0 0 1.25rem; margin-top: 0.2rem; color: var(--color-action); text-align: center; }
.support-detail-list p { margin: 0; color: var(--color-text-muted); line-height: 1.75; }
.support-detail-list a { color: var(--color-action); font-weight: 700; text-decoration: underline; text-underline-offset: 0.16em; }

.support-final { padding: clamp(3.5rem, 7vw, 5.5rem) 0; }
.support-final__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.support-final__inner h2 { margin-bottom: 0.65rem; }
.support-final__inner p:last-child { max-width: 40rem; margin: 0; color: var(--color-text-muted); }
.support-final__inner .support-primary-action { flex: 0 0 auto; }

@media (max-width: 61.9375rem) {
  .support-details { grid-template-columns: 1fr; }
  .support-details__heading { position: static; }
}

@media (max-width: 47.9375rem) {
  .support-hero__inner,
  .support-purpose-grid { grid-template-columns: 1fr; }
  .support-hero__inner { align-items: start; }
  .support-final__inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 35.9375rem) {
  .support-hero__actions { align-items: stretch; flex-direction: column; }
  .support-primary-action,
  .support-secondary-action { width: 100%; }
}