/* ==========================================================================
   Coltiva — design system
   Self-hosted type, token-driven palette/spacing/type scale, layout
   primitives, components, and a quiet scroll-reveal as the signature motion.
   Built mobile-first; prefers-reduced-motion is respected throughout.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Fonts — self-hosted variable fonts (latin subset)
   -------------------------------------------------------------------------- */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Quicksand";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/fonts/quicksand-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --------------------------------------------------------------------------
   2. Design tokens
   -------------------------------------------------------------------------- */

:root {
  /* Color — mint primary (tonal), deep ink, coral accent, warm neutrals.
     All text/background pairs below verified at WCAG AA or better. */
  --color-mint-100: #e3f6ef;
  --color-mint-500: #4fbe94;
  --color-mint-700: #1a7d5c;
  --color-ink-900: #13322d;
  --color-ink-700: #3d5c54;
  --color-accent-600: #c8472f;
  --color-accent-700: #a8381f;
  --color-paper: #fbfdfc;
  --color-paper-deep: #edf5f1;
  --color-line: #d7e6e1;
  --color-white: #ffffff;

  /* Type families */
  --font-display: "Quicksand", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  /* Type scale — fluid for the larger sizes, fixed for UI/body text */
  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: clamp(1.5rem, 1.35rem + 0.6vw, 1.75rem);
  --text-2xl: clamp(1.875rem, 1.5rem + 1.6vw, 2.5rem);
  --text-3xl: clamp(2.25rem, 1.7rem + 2.4vw, 3.25rem);
  --text-4xl: clamp(2.75rem, 2rem + 3.2vw, 4.25rem);

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.65;

  /* Spacing scale — generous, fluid at the top end */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  --space-2xl: clamp(3.5rem, 2.5rem + 4vw, 5.5rem);
  --space-3xl: clamp(4.5rem, 3rem + 6vw, 7.5rem);

  /* Radii — rounded, matching the lettermark */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.75rem;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(19 50 45 / 0.06);
  --shadow-md: 0 12px 28px -12px rgb(19 50 45 / 0.22);
  --shadow-lg: 0 24px 56px -20px rgb(19 50 45 / 0.28);

  /* Motion */
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 420ms;
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-width: 75rem;
  --container-padding: clamp(1.25rem, 4vw, 2.5rem);
  --header-height: 4.5rem;
}

/* --------------------------------------------------------------------------
   3. Reset & base
   -------------------------------------------------------------------------- */

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  line-height: var(--leading-normal);
  scroll-padding-top: var(--header-height);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-ink-900);
  background: var(--color-paper);
}

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

/* --------------------------------------------------------------------------
   4. Typography
   -------------------------------------------------------------------------- */

/* The rounded display face marks the big moments — page/section headings —
   and is used with restraint. Card/UI-level headings stay in the body face. */
h1,
h2 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-ink-900);
}

h3,
h4,
h5,
h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: var(--leading-snug);
  color: var(--color-ink-900);
}

h1 {
  font-size: var(--text-3xl);
}

h2 {
  font-size: var(--text-2xl);
}

h3 {
  font-size: var(--text-xl);
}

h4 {
  font-size: var(--text-lg);
}

p {
  color: var(--color-ink-700);
}

a {
  color: var(--color-accent-600);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--color-accent-700);
}

strong {
  color: var(--color-ink-900);
}

/* --------------------------------------------------------------------------
   5. Layout primitives
   -------------------------------------------------------------------------- */

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

.section {
  padding-block: var(--space-2xl);
}

.section--alt {
  background: var(--color-paper-deep);
}

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

.section__header {
  max-width: 42rem;
  margin-bottom: var(--space-xl);
}

.section--center .section__header {
  margin-inline: auto;
}

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

.section__eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-mint-700);
  margin-bottom: var(--space-2xs);
}

.section__lead {
  font-size: var(--text-md);
  color: var(--color-ink-700);
  margin-top: var(--space-sm);
}

/* Two-column layout used for value-prop / diagram / control-from-anywhere */
.split {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 64em) {
  .split {
    grid-template-columns: 1fr 1fr;
  }

  .split--reverse > :first-child {
    order: 2;
  }
}

.prose {
  max-width: 70ch;
}

.prose h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.prose h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-2xs);
}

.prose p,
.prose ul,
.prose ol {
  margin-bottom: var(--space-md);
  max-width: 70ch;
}

.prose ul,
.prose ol {
  padding-left: 1.25em;
}

.prose li {
  color: var(--color-ink-700);
  margin-bottom: var(--space-2xs);
}

/* Skip link + screen-reader-only text */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  background: var(--color-ink-900);
  color: var(--color-white);
  padding: var(--space-2xs) var(--space-md);
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus-visible {
  left: 0;
}

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

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration-base) var(--ease-standard),
    color var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

.btn--primary {
  background: var(--color-accent-600);
  color: var(--color-white);
}

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

.btn--secondary {
  background: var(--color-ink-900);
  color: var(--color-white);
}

.btn--secondary:hover {
  background: var(--color-mint-700);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-ink-900);
  color: var(--color-ink-900);
}

.btn--outline:hover {
  background: var(--color-ink-900);
  color: var(--color-white);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--text-md);
}

.btn:active {
  transform: scale(0.98);
}

/* --------------------------------------------------------------------------
   7. Header & primary nav
   -------------------------------------------------------------------------- */

/* Sticky (not fixed) keeps the header in normal flow, so the hero below it
   can never be overlapped — this is the structural fix for the hero/header
   overlap bug on the current site. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: var(--header-height);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
}

.site-header__logo img {
  height: 2rem;
  width: auto;
}

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

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-ink-900);
  border-radius: 1px;
}

.nav-toggle__bars {
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

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

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

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.primary-nav__list a {
  display: inline-block;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-ink-900);
  text-decoration: none;
  padding-block: var(--space-2xs);
  border-bottom: 2px solid transparent;
  transition: border-color var(--duration-base) var(--ease-standard);
}

.primary-nav__list a:hover,
.primary-nav__list a[aria-current="page"] {
  border-color: var(--color-mint-500);
}

@media (max-width: 56em) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-md) var(--container-padding) var(--space-lg);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity var(--duration-base) var(--ease-standard),
      transform var(--duration-base) var(--ease-standard),
      visibility var(--duration-base) var(--ease-standard);
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .primary-nav__cta {
    align-self: flex-start;
  }
}

@media (min-width: 56.0625em) {
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   8. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-ink-900);
  color: var(--color-paper);
  margin-top: var(--space-3xl);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-xl);
  padding-block: var(--space-2xl) var(--space-xl);
}

.site-footer__brand img {
  height: 1.75rem;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: var(--space-sm);
}

.site-footer__brand p {
  color: var(--color-mint-100);
}

.site-footer h2 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-mint-500);
  margin-bottom: var(--space-sm);
}

.site-footer p,
.site-footer address {
  color: var(--color-paper);
  opacity: 0.85;
  font-style: normal;
  margin-bottom: var(--space-2xs);
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2xs);
}

.site-footer a {
  color: var(--color-mint-100);
}

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

.site-footer__legal {
  border-top: 1px solid rgb(255 255 255 / 0.12);
  padding-block: var(--space-md);
  font-size: var(--text-xs);
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   9. Hero
   -------------------------------------------------------------------------- */

.hero {
  padding-block: var(--space-2xl) var(--space-3xl);
}

.hero__inner {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 64em) {
  .hero__inner {
    grid-template-columns: 1.1fr 1fr;
  }
}

.hero__eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-mint-700);
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: var(--text-md);
  color: var(--color-ink-700);
  max-width: 38ch;
  margin-bottom: var(--space-lg);
}

.hero__media img,
.framed-photo img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* A tall phone screenshot fills a .split column at full width by default,
   towering over the diagrams/text it's paired with — cap and center it. */
.framed-photo--phone {
  max-width: 15rem;
  margin-inline: auto;
}

.text-mint {
  color: var(--color-mint-700);
}

/* --------------------------------------------------------------------------
   10. Feature grid (value proposition)
   -------------------------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.feature-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2xs);
}

.feature-card p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   11. Diagram figure
   -------------------------------------------------------------------------- */

.diagram-figure {
  margin: 0;
}

.diagram-figure img {
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: var(--space-md);
}

.diagram-figure figcaption {
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-ink-700);
}

/* When a diagram sits above a heading instead of a caption (e.g. the
   pump-type cards on /how/), give it the same breathing room a caption gets. */
.diagram-figure + h3 {
  margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   12. Kit cards — signature element
   -------------------------------------------------------------------------- */

.kit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: var(--space-lg);
}

.kit-card {
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.kit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.kit-card--featured {
  border-color: var(--color-mint-500);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}

.kit-card__badge {
  position: absolute;
  top: -0.75rem;
  left: var(--space-lg);
  background: var(--color-mint-500);
  color: var(--color-ink-900);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.note {
  display: flex;
  gap: var(--space-md);
  align-items: baseline;
  flex-wrap: wrap;
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-mint-100);
  border-radius: var(--radius-md);
  color: var(--color-ink-700);
  font-size: var(--text-sm);
}

.note__tag {
  flex: none;
  background: var(--color-mint-500);
  color: var(--color-ink-900);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.note p {
  margin: 0;
  flex: 1 1 16rem;
}

.kit-card__name {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2xs);
}

.kit-card__price {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-ink-900);
  margin-bottom: var(--space-xs);
}

.kit-card__tagline {
  margin-bottom: var(--space-md);
}

.kit-card__includes {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  display: grid;
  gap: var(--space-2xs);
  font-size: var(--text-sm);
  color: var(--color-ink-700);
}

.kit-card__includes li {
  position: relative;
  padding-left: 1.4em;
}

.kit-card__includes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.6em;
  height: 0.6em;
  border-radius: 50%;
  background: var(--color-mint-500);
}

.kit-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* --------------------------------------------------------------------------
   13. Spec table
   -------------------------------------------------------------------------- */

.spec-tables {
  display: grid;
  gap: var(--space-lg);
}

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.spec-table caption {
  text-align: left;
  font-weight: 700;
  font-size: var(--text-lg);
  padding: var(--space-md);
  color: var(--color-ink-900);
}

.spec-table th,
.spec-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-line);
  white-space: nowrap;
}

.spec-table td:last-child,
.spec-table th:last-child {
  white-space: normal;
}

@media (max-width: 56em) {
  .spec-table {
    table-layout: fixed;
  }

  .spec-table th,
  .spec-table td {
    white-space: normal;
    overflow-wrap: break-word;
    hyphens: auto;
  }
}

.spec-table thead th {
  background: var(--color-mint-100);
  color: var(--color-ink-900);
  font-weight: 700;
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

.spec-table tbody tr:last-child td {
  border-bottom: none;
}

.spec-table tbody tr:nth-child(even) {
  background: var(--color-paper-deep);
}

/* --------------------------------------------------------------------------
   13b. Component cards
   -------------------------------------------------------------------------- */

.component-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-lg);
}

.component-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.component-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
  border-radius: 0;
}

.component-card__body {
  padding: var(--space-md) var(--space-lg);
}

.component-card h3 {
  font-size: var(--text-md);
  margin-bottom: var(--space-2xs);
}

.component-card p {
  margin: 0;
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   14. Testimonials
   -------------------------------------------------------------------------- */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.testimonial-card__quote {
  font-size: var(--text-md);
  color: var(--color-ink-900);
}

.testimonial-card__quote::before {
  content: "\201C";
}

.testimonial-card__quote::after {
  content: "\201D";
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-ink-700);
}

.testimonial-card__author img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-card__author strong {
  display: block;
  color: var(--color-ink-900);
}

/* --------------------------------------------------------------------------
   15. Trust strip
   -------------------------------------------------------------------------- */

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

.trust-strip__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  background: var(--color-mint-100);
  color: var(--color-ink-900);
  border-radius: var(--radius-full);
  padding: var(--space-2xs) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 600;
}

.trust-strip__item a {
  /* The default accent-600 link color fails contrast against the mint-100
     pill background — inherit the pill's already-AA ink-900 instead. */
  color: inherit;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   16. Jump nav — in-page section links for longer content pages (/how/)
   -------------------------------------------------------------------------- */

.jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  padding: 0;
  margin-top: var(--space-md);
  list-style: none;
}

.jump-nav__link {
  display: inline-flex;
  align-items: center;
  background: var(--color-mint-100);
  color: var(--color-ink-900);
  border-radius: var(--radius-full);
  padding: var(--space-2xs) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}

.jump-nav__link:hover {
  background: var(--color-mint-700);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   17. CTA band
   -------------------------------------------------------------------------- */

.cta-band {
  background: var(--color-ink-900);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-band p {
  color: var(--color-mint-100);
  max-width: 38ch;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   18. FAQ
   -------------------------------------------------------------------------- */

.faq-list {
  display: grid;
  gap: var(--space-sm);
  padding: 0;
  margin: 0;
  list-style: none;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-weight: 700;
  font-size: var(--text-md);
  color: var(--color-ink-900);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.5em;
  font-weight: 400;
  color: var(--color-mint-700);
  transition: transform var(--duration-base) var(--ease-standard);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item__content {
  margin-top: var(--space-sm);
  max-width: 70ch;
}

.faq-item__content > * + * {
  margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   19. Scroll reveal (quiet secondary motion)
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   20. Focus & motion preferences
   -------------------------------------------------------------------------- */

:focus-visible {
  outline: 3px solid var(--color-accent-600);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }

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