/* ==========================================================================
   Inclusive App Craft — design system
   Premium, minimal, WCAG 2.2 AA. Light + dark themes via data-theme.
   ========================================================================== */

/* ---- Design tokens -------------------------------------------------- */
:root {
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    Roboto, Arial, sans-serif;

  /* Light theme */
  --bg: #ffffff;
  --bg-subtle: #f6f7fb;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --border: #e4e6ee;
  --border-strong: #c9cdd9;
  --text: #16181d;
  --text-secondary: #40454f;
  --text-muted: #575d6a;
  --brand: #4f46e5;
  --brand-strong: #4338ca;
  --brand-soft: #eef0ff;
  --brand-contrast: #ffffff;
  --gradient-brand: linear-gradient(135deg, #4f46e5 0%, #7c3aed 55%, #9333ea 100%);
  --gradient-hero: radial-gradient(60rem 30rem at 85% -10%, rgba(124, 58, 237, 0.10), transparent 60%),
    radial-gradient(50rem 26rem at 10% 110%, rgba(79, 70, 229, 0.08), transparent 60%);
  --accent-indigo: #4f46e5;
  --accent-violet: #7c3aed;
  --accent-teal: #0f766e;
  --accent-amber: #b45309;
  --accent-rose: #be123c;
  --focus-ring: #4f46e5;
  --shadow-card: 0 1px 2px rgba(22, 24, 29, 0.05), 0 8px 24px -12px rgba(22, 24, 29, 0.12);
  --shadow-raised: 0 1px 3px rgba(22, 24, 29, 0.07), 0 16px 40px -16px rgba(22, 24, 29, 0.18);
  --header-bg: rgba(255, 255, 255, 0.82);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --container: 72rem;

  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0c0d12;
  --bg-subtle: #12141c;
  --surface: #14161f;
  --surface-raised: #191c27;
  --border: #262a37;
  --border-strong: #3b4152;
  --text: #f2f3f8;
  --text-secondary: #c6cad6;
  --text-muted: #a2a8b8;
  --brand: #a5b4fc;
  --brand-strong: #c7d2fe;
  --brand-soft: #1e2138;
  --brand-contrast: #14161f;
  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 55%, #a855f7 100%);
  --gradient-hero: radial-gradient(60rem 30rem at 85% -10%, rgba(139, 92, 246, 0.14), transparent 60%),
    radial-gradient(50rem 26rem at 10% 110%, rgba(99, 102, 241, 0.10), transparent 60%);
  --accent-indigo: #a5b4fc;
  --accent-violet: #c4b5fd;
  --accent-teal: #5eead4;
  --accent-amber: #fcd34d;
  --accent-rose: #fda4af;
  --focus-ring: #a5b4fc;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  --shadow-raised: 0 1px 3px rgba(0, 0, 0, 0.5), 0 16px 40px -16px rgba(0, 0, 0, 0.6);
  --header-bg: rgba(12, 13, 18, 0.82);

  color-scheme: dark;
}

/* ---- Reset & base ---------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}

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

h1,
h2,
h3,
h4 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  font-weight: 700;
  text-wrap: balance;
}

h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }

p {
  margin: 0 0 1em;
}

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

a:hover {
  color: var(--brand-strong);
}

:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--brand);
  color: var(--brand-contrast);
}

@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;
  }
}

/* ---- Utilities -------------------------------------------------------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--brand);
  color: var(--brand-contrast);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
}

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

.icon {
  flex-shrink: 0;
}

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease,
    color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 8px 20px -10px rgba(99, 102, 241, 0.7);
}

.btn--primary:hover { color: #fff; filter: brightness(1.06); }

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

.btn--secondary:hover { color: var(--text); border-color: var(--brand); }

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

.btn--lg { padding: 0.95rem 1.9rem; font-size: 1.05rem; }

/* ---- Header ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

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

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 10px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0;
}

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

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

.site-nav__link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.97rem;
  text-decoration: none;
}

.site-nav__link:hover {
  color: var(--text);
  background: var(--bg-subtle);
}

.site-nav__link[aria-current="page"] {
  color: var(--brand);
  font-weight: 600;
  background: var(--brand-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle,
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
}

.theme-toggle:hover,
.nav-toggle:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.theme-toggle .icon--sun { display: none; }
[data-theme="dark"] .theme-toggle .icon--sun { display: block; }
[data-theme="dark"] .theme-toggle .icon--moon { display: none; }

.nav-toggle { display: none; }
.nav-toggle .icon--close { display: none; }
.nav-toggle[aria-expanded="true"] .icon--close { display: block; }
.nav-toggle[aria-expanded="true"] .icon--menu { display: none; }

.header-cta { white-space: nowrap; }

@media (max-width: 62rem) {
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem clamp(1.25rem, 4vw, 2rem) 1.25rem;
    box-shadow: var(--shadow-raised);
  }

  .site-nav.is-open { display: block; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .site-nav__link {
    display: block;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
  }

  .site-nav__cta { margin-top: 0.75rem; }
}

@media (min-width: 62.01rem) {
  .site-nav__cta { display: none; }
}

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

.section--subtle { background: var(--bg-subtle); }

.section__head {
  max-width: 44rem;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

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

.eyebrow {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lead {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--text-muted);
  max-width: 40rem;
}

.section__head--center .lead { margin-inline: auto; }

/* ---- Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(4rem, 10vw, 7.5rem) clamp(3.5rem, 8vw, 6rem);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero__inner {
  max-width: 50rem;
}

.hero .eyebrow { background: var(--surface); border: 1px solid var(--border); }

.hero__title .accent {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 42rem;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__meta .icon { color: var(--accent-teal); }

/* ---- Cards & grids ------------------------------------------------------- */
.grid {
  display: grid;
  gap: 1.25rem;
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); }

.card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

a.card { text-decoration: none; color: inherit; }

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

.card__icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 0.75rem;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
}

.card h3 { margin-bottom: 0.25rem; }

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.97rem;
}

.card__more {
  margin-top: auto;
  padding-top: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--brand);
  font-weight: 600;
  font-size: 0.95rem;
}

.card--accent-indigo .card__icon { color: var(--accent-indigo); }
.card--accent-violet .card__icon { color: var(--accent-violet); }
.card--accent-teal .card__icon { color: var(--accent-teal); }
.card--accent-amber .card__icon { color: var(--accent-amber); }
.card--accent-rose .card__icon { color: var(--accent-rose); }

/* ---- Feature / checklist rows -------------------------------------------- */
.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.checklist .icon {
  margin-top: 0.22em;
  color: var(--accent-teal);
}

/* ---- Stats ----------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: 1.25rem;
  text-align: center;
}

.stat {
  padding: 1.75rem 1rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.stat__value {
  display: block;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat__label {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ---- Testimonials ------------------------------------------------------------ */
.testimonial {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.testimonial .icon--quote { color: var(--brand); }

.testimonial blockquote {
  margin: 0;
  font-size: 1.02rem;
  color: var(--text-secondary);
}

.testimonial footer {
  margin-top: auto;
  font-size: 0.95rem;
}

.testimonial footer strong { display: block; color: var(--text); }
.testimonial footer span { color: var(--text-muted); }

/* ---- Badges -------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--brand-soft);
  color: var(--brand);
}

.badge--outline {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-weight: 500;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ---- Filter pills ----------------------------------------------------------------- */
.filter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-pill {
  display: inline-block;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 0.93rem;
  font-weight: 500;
  text-decoration: none;
}

.filter-pill:hover { border-color: var(--brand); color: var(--brand); }

.filter-pill[aria-current="true"] {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--brand-contrast);
  font-weight: 600;
}

/* ---- Forms --------------------------------------------------------------------------- */
.form {
  display: grid;
  gap: 1.35rem;
}

.form-field { display: grid; gap: 0.4rem; }

.form-field label {
  font-weight: 600;
  font-size: 0.97rem;
}

.form-field .required-mark { color: var(--accent-rose); }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus-ring) 30%, transparent);
}

.form-field .help-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: var(--accent-rose);
}

.field-error {
  margin: 0;
  color: var(--accent-rose);
  font-size: 0.9rem;
  font-weight: 500;
}

.check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-weight: 400;
  cursor: pointer;
  line-height: 1.5;
}

.check-label input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.18rem;
  flex-shrink: 0;
  accent-color: var(--brand);
}

.form-errors {
  padding: 1rem 1.25rem;
  border: 1px solid var(--accent-rose);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent-rose) 8%, var(--surface));
}

.form-errors p { margin: 0; font-weight: 600; }

/* ---- Messages ------------------------------------------------------------------------- */
.messages {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.messages li {
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-teal);
  background: color-mix(in srgb, var(--accent-teal) 10%, var(--surface));
  font-weight: 500;
}

/* ---- CTA banner ------------------------------------------------------------------------ */
.cta-banner {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4rem);
  border-radius: var(--radius-lg);
  background: var(--gradient-brand);
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.cta-banner h2 { color: #fff; }

.cta-banner p {
  color: rgba(255, 255, 255, 0.92);
  max-width: 38rem;
  margin-inline: auto;
  font-size: 1.08rem;
}

.cta-banner .btn--primary {
  background: #fff;
  color: #3730a3;
  box-shadow: none;
}

.cta-banner .btn--primary:hover { color: #312e81; filter: none; }

.cta-banner .btn--secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.cta-banner .btn--secondary:hover { color: #fff; border-color: #fff; }

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

/* ---- Prose (blog articles, case studies) ------------------------------------------------- */
.prose {
  max-width: 44rem;
  font-size: 1.06rem;
}

.prose h2 {
  margin-top: 2.2em;
  font-size: 1.5rem;
}

.prose h3 {
  margin-top: 1.8em;
  font-size: 1.2rem;
}

.prose p { color: var(--text-secondary); }

.prose ul,
.prose ol {
  color: var(--text-secondary);
  padding-left: 1.4rem;
  margin: 0 0 1em;
  display: grid;
  gap: 0.4rem;
}

.prose li { padding-left: 0.25rem; }

.prose a { color: var(--brand); }

.prose blockquote {
  margin: 1.5em 0;
  padding: 0.5rem 1.25rem;
  border-left: 4px solid var(--brand);
  color: var(--text-muted);
  font-style: italic;
}

.prose img {
  border-radius: var(--radius-sm);
  margin: 1.25em 0;
}

.prose figure { margin: 1.5em 0; }

.prose figcaption {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.4rem;
}

.prose code {
  font-family: ui-monospace, "Cascadia Code", Consolas, Menlo, monospace;
  font-size: 0.9em;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
}

.prose pre {
  margin: 1.25em 0;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  overflow-x: auto;
}

.prose pre code { padding: 0; border: 0; background: none; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* ---- Pagination ----------------------------------------------------------------------------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  font-weight: 500;
}

/* ---- Footer ------------------------------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: 0.96rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: 2.5rem 2rem;
  margin-bottom: 3rem;
}

.site-footer__brand { max-width: 20rem; }

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

.site-footer h2 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.site-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---- Page hero (interior pages) -------------------------------------------------------------------- */
.page-hero {
  padding-block: clamp(3.5rem, 8vw, 5.5rem) clamp(2.5rem, 5vw, 3.5rem);
  background: var(--gradient-hero);
}

.page-hero .lead { margin-bottom: 0; }

/* ---- Contact page ------------------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}

@media (min-width: 56rem) {
  .contact-layout { grid-template-columns: 1.2fr 0.8fr; }
}

.contact-channels {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.contact-channel {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-channel .card__icon {
  width: 2.6rem;
  height: 2.6rem;
  margin: 0;
}

.contact-channel h3 { font-size: 1.02rem; margin-bottom: 0.15rem; }
.contact-channel p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.map-placeholder {
  display: grid;
  place-items: center;
  gap: 0.5rem;
  min-height: 14rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--text-muted);
  background:
    repeating-linear-gradient(45deg, transparent, transparent 12px,
      color-mix(in srgb, var(--border) 55%, transparent) 12px,
      color-mix(in srgb, var(--border) 55%, transparent) 13px);
  text-align: center;
  padding: 2rem;
}

/* ---- Scroll reveal (disabled under reduced motion) ----------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 500ms ease, transform 500ms ease;
  }

  .reveal.in-view {
    opacity: 1;
    transform: none;
  }
}

/* ---- Misc ------------------------------------------------------------------------------------------------ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

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

/* ---- Client portal ------------------------------------------------------ */
.portal-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.auth-card-wrap {
  max-width: 30rem;
  padding-block: 2rem;
}

.auth-card { padding: 2.25rem; }

.progress {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

.progress__track {
  height: 0.55rem;
  border-radius: 999px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  overflow: hidden;
}

.progress__fill {
  height: 100%;
  border-radius: 999px;
  background: var(--gradient-brand);
}

.progress__label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.milestone-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: 44rem;
}

.milestone {
  position: relative;
  display: flex;
  gap: 1rem;
  padding: 0 0 1.75rem 0;
}

.milestone::before {
  content: "";
  position: absolute;
  left: 0.8rem;
  top: 1.8rem;
  bottom: 0.2rem;
  width: 2px;
  background: var(--border);
}

.milestone:last-child::before { display: none; }

.milestone__marker {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  flex-shrink: 0;
  border-radius: 999px;
  border: 2px solid var(--border-strong);
  background: var(--surface);
  color: #fff;
  margin-top: 0.15rem;
}

.milestone--completed .milestone__marker {
  background: var(--gradient-brand);
  border-color: transparent;
}

.milestone--in_progress .milestone__marker {
  border-color: var(--brand);
}

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.doc-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.doc-item .icon { color: var(--brand); margin-top: 0.15rem; }

.table-wrap { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.97rem;
}

.table th,
.table td {
  text-align: left;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table thead th {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.table tbody th { font-weight: 600; }

.badge--paid {
  background: color-mix(in srgb, var(--accent-teal) 15%, var(--surface));
  color: var(--accent-teal);
}

.badge--overdue {
  background: color-mix(in srgb, var(--accent-rose) 12%, var(--surface));
  color: var(--accent-rose);
}

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

.thread__message {
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  max-width: 85%;
}

.thread__message--team {
  border-color: color-mix(in srgb, var(--brand) 35%, var(--border));
  background: var(--brand-soft);
  margin-left: auto;
}

.thread__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.thread__meta strong { color: var(--text); }

.thread__body { margin: 0; color: var(--text-secondary); }

/* ---- IAC Academy --------------------------------------------------------- */
.avatar {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
}

.syllabus-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

/* Expandable module (native <details>) */
.module-acc { padding: 0; overflow: hidden; }

.module-acc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

/* Remove the default disclosure triangle */
.module-acc__summary::-webkit-details-marker { display: none; }
.module-acc__summary::marker { content: ""; }

.module-acc__summary:hover { background: var(--bg-subtle); }

.module-acc__title { font-size: 1.05rem; }

.module-acc__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.92rem;
  white-space: nowrap;
}

.module-acc__chevron { transition: transform 180ms ease; }
.module-acc[open] .module-acc__chevron { transform: rotate(180deg); }

.module-acc .syllabus-list {
  margin: 0;
  padding: 0 1.5rem 1.3rem;
}

.syllabus-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.syllabus-item__status {
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  flex-shrink: 0;
  border-radius: 999px;
  border: 2px solid var(--border-strong);
  background: var(--surface);
  color: #fff;
}

.syllabus-item__status.is-done {
  background: var(--gradient-brand);
  border-color: transparent;
}

.syllabus-item__meta {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.lesson-layout {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 62rem) {
  .lesson-layout { grid-template-columns: 19rem minmax(0, 1fr); }

  .lesson-sidebar {
    position: sticky;
    top: 5.5rem;
    align-self: start;
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
    padding-right: 0.5rem;
  }
}

.lesson-sidebar__module {
  margin: 1rem 0 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.lesson-sidebar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.lesson-sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.94rem;
  text-decoration: none;
}

.lesson-sidebar__link:hover { background: var(--bg-subtle); color: var(--text); }

.lesson-sidebar__link.is-current {
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 600;
}

.lesson-sidebar__link .syllabus-item__status {
  width: 1.15rem;
  height: 1.15rem;
}

.lesson-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

/* Brief dim while the next lesson loads in without a page reload. */
#lesson-app.is-loading {
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.quiz-question {
  margin: 0;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.quiz-question legend {
  font-weight: 600;
  padding: 0 0.35rem;
}

.quiz-choice {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.quiz-choice:hover { background: var(--bg-subtle); }

.quiz-choice input {
  margin-top: 0.3rem;
  accent-color: var(--brand);
  width: 1.05rem;
  height: 1.05rem;
}

.quiz-result {
  margin-top: 1.5rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent-teal);
  background: color-mix(in srgb, var(--accent-teal) 10%, var(--surface));
}

.quiz-result--fail {
  border-color: var(--accent-amber);
  background: color-mix(in srgb, var(--accent-amber) 10%, var(--surface));
}

.certificate {
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  background: var(--gradient-brand);
}

.certificate__inner {
  border-radius: calc(var(--radius-lg) - 0.35rem);
  background: var(--surface);
  padding: clamp(2rem, 6vw, 3.5rem);
  text-align: center;
}

.certificate__course {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 0.5rem;
}

.certificate__footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: left;
}

@media print {
  .site-header,
  .site-footer,
  .skip-link,
  .messages,
  [data-noprint] {
    display: none !important;
  }

  body { background: #fff; }
  .certificate { padding: 0.35rem; }
}

/* ---- Checkout & receipts -------------------------------------------------- */
.checkout-layout {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  max-width: 64rem;
}

@media (min-width: 56rem) {
  .checkout-layout { grid-template-columns: 1.35fr 0.65fr; }
}

#momo-fields[hidden] { display: none; }

.receipt-list {
  margin: 1.75rem 0 0;
  display: grid;
  gap: 0.6rem;
  text-align: left;
}

.receipt-list > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.receipt-list dt { color: var(--text-muted); }
.receipt-list dd { margin: 0; font-weight: 600; text-align: right; }

.price-tag {
  font-weight: 700;
  color: var(--text);
}

/* ---- IAC Access scanner --------------------------------------------------- */
.scan-form__row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  max-width: 44rem;
}

.scan-form__row .form-field { min-width: 16rem; }

.report-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
}

.score-ring {
  --ring-color: var(--accent-teal);
  width: 9.5rem;
  height: 9.5rem;
  flex-shrink: 0;
  border-radius: 999px;
  background: conic-gradient(
    var(--ring-color) calc(var(--score) * 1%),
    var(--border) 0
  );
  display: grid;
  place-items: center;
}

.score-ring--grade-C,
.score-ring--grade-D { --ring-color: var(--accent-amber); }
.score-ring--grade-E { --ring-color: var(--accent-rose); }

.score-ring__inner {
  width: 7.6rem;
  height: 7.6rem;
  border-radius: 999px;
  background: var(--bg);
  display: grid;
  place-content: center;
  text-align: center;
}

.score-ring__value {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.score-ring__label {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.issue { border-left: 4px solid var(--border-strong); }
.issue--error { border-left-color: var(--accent-rose); }
.issue--warning { border-left-color: var(--accent-amber); }
.issue--notice { border-left-color: var(--border-strong); }
.issue--pass { border-left-color: var(--accent-teal); }

.issue--error .issue__badge {
  background: color-mix(in srgb, var(--accent-rose) 12%, var(--surface));
  color: var(--accent-rose);
}

.issue--warning .issue__badge {
  background: color-mix(in srgb, var(--accent-amber) 15%, var(--surface));
  color: var(--accent-amber);
}

.issue--notice .issue__badge {
  background: var(--bg-subtle);
  color: var(--text-muted);
}

.issue__samples {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.issue__samples code {
  display: block;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  font-size: 0.84rem;
  word-break: break-all;
}

.issue details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--brand);
}

.icon-fail { color: var(--accent-rose); }

.contrast-preview {
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ---- Code runner (Academy practice & coding challenges) ------------------- */
.practice {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.practice h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
}

.practice h2 .icon { color: var(--brand); }

.code-editor {
  font-family: ui-monospace, "Cascadia Code", Consolas, Menlo, monospace;
  font-size: 0.92rem;
  line-height: 1.55;
  tab-size: 2;
  resize: vertical;
  min-height: 12rem;
  white-space: pre;
  overflow-x: auto;
}

.code-runner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0.85rem 0;
}

.code-frame-holder:not(:empty) {
  margin-bottom: 1rem;
}

.code-frame {
  width: 100%;
  min-height: 14rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
}

.code-console {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  padding: 0.85rem 1.1rem;
}

.code-console__title {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}

.code-console__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
  font-family: ui-monospace, "Cascadia Code", Consolas, Menlo, monospace;
  font-size: 0.88rem;
  min-height: 1.4rem;
  word-break: break-word;
}

.code-console__error { color: var(--accent-rose); }
.code-console__notice { color: var(--text-muted); font-style: italic; }

.quiz-question--code legend .badge { margin-left: 0.4rem; }

/* ---- Accessible reorder demo ------------------------------------------------ */
.reorder-demo { max-width: 42rem; }

.reorder-demo__hint {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

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

.reorder-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.reorder-item__pos {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 0.9rem;
}

.reorder-item__name { font-weight: 600; flex: 1; }

.reorder-item__controls { display: flex; gap: 0.4rem; }

.reorder-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.42rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease;
}

.reorder-btn:hover:not(:disabled) { border-color: var(--brand); color: var(--brand); }
.reorder-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.reorder-demo__caption {
  margin: 1.25rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ---- AI mentor -------------------------------------------------------------- */
.mentor {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.mentor__head {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.mentor__icon {
  width: 2.6rem;
  height: 2.6rem;
  margin: 0;
  flex-shrink: 0;
}

.mentor__notice {
  margin: 0 0 1rem;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent-amber) 12%, var(--surface));
  color: var(--accent-amber);
  font-size: 0.9rem;
}

.mentor__thread {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  max-height: 26rem;
  overflow-y: auto;
}

.mentor__thread:empty { display: none; }

.mentor__msg {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  max-width: 90%;
}

.mentor__msg--user {
  background: var(--brand-soft);
  justify-self: end;
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border));
}

.mentor__msg--assistant {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
}

.mentor__msg--error {
  border-color: var(--accent-rose);
  color: var(--accent-rose);
}

.mentor__who {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.mentor__body { white-space: pre-wrap; color: var(--text-secondary); }
.mentor__msg--user .mentor__body { color: var(--text); }

.mentor__empty { color: var(--text-muted); margin: 1rem 0; }

.mentor__form { margin-top: 1.25rem; display: grid; gap: 0.6rem; }

.mentor__form textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  resize: vertical;
  min-height: 3rem;
}

.mentor__form textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus-ring) 30%, transparent);
}

.mentor__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.mentor__status { color: var(--text-muted); font-size: 0.92rem; }

.quiz-timer {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 0.97rem;
  position: sticky;
  top: 5rem;
  z-index: 10;
}

.quiz-timer .icon { color: var(--brand); }

.quiz-timer--urgent {
  border-color: var(--accent-rose);
  color: var(--accent-rose);
}

.quiz-timer--urgent .icon { color: var(--accent-rose); }

.portal-preview-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
}