:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-soft: #f0f3f8;
  --text: #18212f;
  --muted: #637083;
  --border: #dfe5ee;
  --brand: #2447d8;
  --brand-strong: #1735ad;
  --accent: #0f766e;
  --shadow-sm: 0 8px 24px rgba(24, 33, 47, .08);
  --shadow-md: 0 18px 50px rgba(24, 33, 47, .12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --content: 1180px;
  --header-h: 68px;
}

/* ------------------------------
   MOBILE-FIRST BASE
   Base styles target small screens.
   Larger layouts are added with min-width queries.
------------------------------ */

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

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: .65rem .9rem;
  border-radius: 10px;
  color: #fff;
  background: #111827;
  transform: translateY(-160%);
  transition: transform .2s ease;
}

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

.container,
.header-inner,
.footer-inner {
  width: min(calc(100% - 24px), var(--content));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(223, 229, 238, .9);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(16px);
}

.header-inner {
  position: relative;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  min-width: 0;
  flex: 0 1 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand-mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #6b7cff);
  box-shadow: 0 10px 24px rgba(36, 71, 216, .24);
}

.brand-text {
  min-width: 0;
  display: grid;
  line-height: 1.05;
  font-size: .94rem;
}

.brand-text small {
  display: none;
  margin-top: 4px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 650;
  letter-spacing: .01em;
}

.nav-toggle {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  width: 20px;
  height: 2px;
  border-radius: 4px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle-lines {
  position: relative;
  margin: auto;
}

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

.nav-toggle-lines::before {
  top: -6px;
}

.nav-toggle-lines::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  width: 100vw;
  display: none;
  transform: translateX(-50%);
  margin: 0;
  padding: 12px 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .99);
  box-shadow: var(--shadow-md);
}

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

.nav-list {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  padding: 0 12px;
  border-radius: 10px;
  color: #344054;
  font-size: .95rem;
  font-weight: 650;
  text-decoration: none;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.nav-link[aria-current="page"] {
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
}

.header-cta {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 58px 0 64px;
  background:
    radial-gradient(circle at 10% 15%, rgba(36, 71, 216, .14), transparent 38%),
    radial-gradient(circle at 88% 20%, rgba(15, 118, 110, .10), transparent 32%),
    linear-gradient(180deg, #fff, #f7f8fb);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -22% -60% 28%;
  height: 360px;
  border-radius: 50%;
  background: rgba(107, 124, 255, .08);
  filter: blur(2px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 .75rem;
  border: 1px solid rgba(36, 71, 216, .14);
  border-radius: 999px;
  color: var(--brand);
  background: rgba(36, 71, 216, .06);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 18px 0;
  max-width: none;
  font-size: clamp(2.25rem, 12vw, 3.35rem);
  line-height: 1;
  letter-spacing: -.045em;
  overflow-wrap: anywhere;
}

.hero p,
.page-hero p {
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.hero-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  width: 100%;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 1.05rem;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 750;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 12px 28px rgba(36, 71, 216, .18);
}

.button-secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, .78);
}

/* Interior pages */
.page-hero {
  padding: 48px 0 36px;
  background: linear-gradient(180deg, #fff, #f7f8fb);
}

.page-hero h1 {
  font-size: clamp(2.15rem, 10vw, 3rem);
}

.breadcrumbs {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: .88rem;
}

/* Content */
.section {
  padding: 52px 0;
}

.section-tight {
  padding: 34px 0 56px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 8vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.placeholder {
  border: 1px dashed #b9c4d6;
  background:
    linear-gradient(135deg, rgba(36, 71, 216, .035), rgba(15, 118, 110, .025)),
    #fff;
}

.placeholder strong {
  display: block;
  margin-bottom: 6px;
}

/* Footer */
.site-footer {
  margin-top: 30px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 38px 0 24px;
}

.footer-copy p {
  max-width: 50ch;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .92rem;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.footer-group strong {
  display: block;
  margin-bottom: 8px;
  font-size: .86rem;
}

.footer-group a {
  display: block;
  width: fit-content;
  min-height: 34px;
  margin: 3px 0;
  color: var(--muted);
  font-size: .9rem;
  text-decoration: none;
}

.footer-group a:hover {
  color: var(--brand);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .82rem;
}

/* Accessibility */
:focus-visible {
  outline: 3px solid rgba(36, 71, 216, .42);
  outline-offset: 3px;
}

/* ------------------------------
   TABLET ENHANCEMENTS
------------------------------ */
@media (min-width: 480px) {
  .container,
  .header-inner,
  .footer-inner {
    width: min(calc(100% - 32px), var(--content));
  }

  .brand-text {
    font-size: 1rem;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
  }

  .button {
    width: auto;
  }

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

@media (min-width: 720px) {
  :root {
    --header-h: 72px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-text small {
    display: block;
  }

  .hero {
    padding: 78px 0 84px;
  }

  .hero h1 {
    max-width: 18ch;
    font-size: clamp(3.15rem, 8vw, 4rem);
    letter-spacing: -.052em;
  }

  .hero p,
  .page-hero p {
    font-size: 1.12rem;
  }

  .page-hero {
    padding: 58px 0 42px;
  }

  .page-hero h1 {
    max-width: 22ch;
    font-size: clamp(2.6rem, 6vw, 3.3rem);
  }

  .section {
    padding: 64px 0;
  }

  .section-tight {
    padding: 38px 0 64px;
  }

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

  .card {
    padding: 24px;
  }

  .footer-inner {
    gap: 32px;
    padding-top: 42px;
  }

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ------------------------------
   DESKTOP ENHANCEMENTS
------------------------------ */
@media (min-width: 981px) {
  :root {
    --header-h: 76px;
  }

  .header-inner {
    gap: 22px;
  }

  .brand {
    flex: 0 0 auto;
    gap: 10px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .site-nav {
    position: static;
    width: auto;
    display: block !important;
    transform: none;
    margin-left: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .nav-list {
    width: auto;
    flex-direction: row;
    align-items: center;
    gap: 4px;
  }

  .nav-link {
    width: auto;
    min-height: 44px;
    padding: 0 .72rem;
    font-size: .93rem;
  }

  .nav-toggle {
    display: none;
  }

  .header-cta {
    flex: 0 0 auto;
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    border: 1px solid transparent;
    border-radius: 12px;
    color: #fff;
    background: var(--brand);
    font-weight: 750;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(36, 71, 216, .18);
    transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
  }

  .header-cta:hover {
    background: var(--brand-strong);
    box-shadow: 0 14px 30px rgba(36, 71, 216, .24);
    transform: translateY(-1px);
  }

  .hero {
    padding: 104px 0 100px;
  }

  .hero h1 {
    font-size: clamp(4rem, 6vw, 4.7rem);
  }

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

  .footer-inner {
    grid-template-columns: 1.1fr 1.6fr;
  }

  .footer-bottom {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1200px) {
  .hero {
    padding: 124px 0 108px;
  }

  .section {
    padding: 78px 0;
  }
}

/* Preference / system accommodations */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (forced-colors: active) {
  .brand-mark,
  .button-primary,
  .header-cta {
    border: 1px solid ButtonText;
  }
}

/* ============================================================
   EMPIEZA AQUÍ
   Mobile-first page components
============================================================ */

.start-hero {
  position: relative;
  overflow: hidden;
  padding: 42px 0 54px;
  background:
    radial-gradient(circle at 0% 0%, rgba(36, 71, 216, .13), transparent 35%),
    radial-gradient(circle at 100% 20%, rgba(15, 118, 110, .08), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
}

.start-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.start-hero-copy h1 {
  margin: 18px 0;
  max-width: 12ch;
  font-size: clamp(2.5rem, 12vw, 3.55rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.start-lead {
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.start-hero-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 1px solid rgba(36, 71, 216, .13);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--shadow-md);
}

.start-hero-card::before {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  right: -70px;
  top: -90px;
  border-radius: 50%;
  background: rgba(36, 71, 216, .07);
  pointer-events: none;
}

.start-lockup {
  position: relative;
  z-index: 1;
  width: min(100%, 330px);
  max-height: 128px;
  object-fit: contain;
  object-position: left center;
  margin-bottom: 22px;
}

.start-hero-card-copy {
  position: relative;
  z-index: 1;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.status-pill,
.section-kicker,
.demo-rule-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--brand);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.status-pill {
  min-height: 28px;
  padding: 0 .68rem;
  border-radius: 999px;
  background: rgba(36, 71, 216, .07);
}

.start-hero-card h2 {
  margin: 12px 0 8px;
  font-size: 1.45rem;
  line-height: 1.12;
  letter-spacing: -.025em;
}

.start-hero-card p {
  margin: 0;
  color: var(--muted);
}

.start-section-heading {
  margin-bottom: 28px;
}

.section-kicker {
  margin-bottom: 8px;
}

.activation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.activation-card {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.activation-card-featured {
  border-color: rgba(36, 71, 216, .24);
  background:
    linear-gradient(145deg, rgba(36, 71, 216, .05), rgba(255, 255, 255, .94) 54%),
    var(--surface);
}

.activation-card-last {
  border-color: rgba(15, 118, 110, .22);
}

.activation-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: #fff;
  background: var(--brand);
  font-size: .88rem;
  font-weight: 850;
  box-shadow: 0 9px 20px rgba(36, 71, 216, .18);
}

.activation-card-last .activation-number {
  background: var(--accent);
  box-shadow: 0 9px 20px rgba(15, 118, 110, .16);
}

.activation-card h3 {
  margin: 1px 0 8px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.activation-card p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  min-height: 40px;
  margin-top: 10px;
  color: var(--brand);
  font-size: .92rem;
  font-weight: 760;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.micro-note {
  margin-top: 8px !important;
  padding-top: 8px;
  border-top: 1px solid rgba(36, 71, 216, .10);
  font-size: .84rem !important;
}

.start-check-section {
  background: #eef2f8;
  border-block: 1px solid var(--border);
}

.preflight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.preflight-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .9);
}

.preflight-icon {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  min-height: 28px;
  margin-bottom: 14px;
  padding: 0 8px;
  border-radius: 8px;
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
  font-size: .73rem;
  font-weight: 850;
  letter-spacing: .04em;
}

.preflight-card h3 {
  margin: 0 0 7px;
  font-size: 1.04rem;
}

.preflight-card p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.disclosure-example {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  padding: 22px;
  border: 1px solid rgba(15, 118, 110, .18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .96);
}

.disclosure-example h3 {
  margin: 0;
  font-size: 1.12rem;
}

.disclosure-example blockquote {
  margin: 0;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: rgba(15, 118, 110, .06);
  font-weight: 700;
}

.disclosure-example p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.demo-callout {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 24px;
  border: 1px solid rgba(36, 71, 216, .16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 95% 10%, rgba(36, 71, 216, .12), transparent 30%),
    #fff;
  box-shadow: var(--shadow-sm);
}

.demo-callout h2,
.support-panel h2 {
  margin: 7px 0 10px;
  font-size: clamp(1.8rem, 8vw, 2.45rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.demo-callout-copy > p,
.support-panel > div > p {
  margin: 0;
  color: var(--muted);
}

.demo-actions {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.demo-rule-card {
  align-self: stretch;
  padding: 20px;
  border: 1px solid rgba(36, 71, 216, .14);
  border-radius: var(--radius-md);
  background: rgba(247, 248, 251, .88);
}

.demo-rule-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .92rem;
}

.start-support-section {
  padding-top: 24px;
}

.support-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 24px;
  border-radius: var(--radius-lg);
  color: #fff;
  background: #102e52;
  box-shadow: var(--shadow-md);
}

.support-panel .section-kicker {
  color: #a8c7ff;
}

.support-panel h2 {
  color: #fff;
}

.support-panel > div > p,
.support-action p {
  color: rgba(255, 255, 255, .76);
}

.support-action {
  display: grid;
  gap: 12px;
  align-content: start;
}

.support-action .button-primary {
  justify-self: start;
  max-width: 100%;
  overflow-wrap: anywhere;
  background: #fff;
  color: #102e52;
  box-shadow: none;
}

.support-action .button-primary:hover {
  background: #f0f3f8;
}

.support-action p {
  margin: 0;
  font-size: .88rem;
}

@media (min-width: 480px) {
  .demo-actions {
    display: flex;
    flex-wrap: wrap;
  }
}

@media (min-width: 720px) {
  .start-hero {
    padding: 58px 0 72px;
  }

  .start-hero-card {
    padding: 28px;
  }

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

  .activation-card {
    padding: 22px;
  }

  .activation-card-last {
    grid-column: 1 / -1;
  }

  .disclosure-example {
    grid-template-columns: .7fr 1.3fr;
    align-items: center;
    padding: 26px;
  }

  .disclosure-example p {
    grid-column: 2;
  }

  .demo-callout,
  .support-panel {
    padding: 30px;
  }
}

@media (min-width: 981px) {
  .start-hero {
    padding: 76px 0 84px;
  }

  .start-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(340px, .72fr);
    gap: 54px;
  }

  .start-hero-copy h1 {
    font-size: clamp(3.7rem, 5.6vw, 5rem);
  }

  .activation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .activation-card-last {
    grid-column: 1 / -1;
  }

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

  .demo-callout {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
    align-items: center;
    gap: 42px;
    padding: 38px;
  }

  .support-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(290px, .75fr);
    align-items: center;
    gap: 50px;
    padding: 38px;
  }
}

@media (min-width: 1200px) {
  .start-hero-grid {
    gap: 72px;
  }

  .activation-card {
    padding: 24px;
  }

  .demo-callout,
  .support-panel {
    padding: 44px;
  }
}

/* ==========================================================
   CONOCE EL CURSO
   Mobile-first course information page
========================================================== */

.course-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 58px;
  background:
    radial-gradient(circle at 88% 10%, rgba(36, 71, 216, .11), transparent 34%),
    radial-gradient(circle at 10% 80%, rgba(15, 118, 110, .07), transparent 30%),
    linear-gradient(180deg, #fff, #f7f8fb);
}

.course-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.course-hero-copy {
  min-width: 0;
}

.course-hero-copy h1 {
  margin: 18px 0;
  max-width: 13ch;
  font-size: clamp(2.35rem, 12vw, 3.35rem);
  line-height: .98;
  letter-spacing: -.05em;
}

.course-lead {
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.verification-line {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: .82rem;
}

.course-identity-card {
  align-self: start;
  display: grid;
  gap: 22px;
  padding: 22px;
  border: 1px solid rgba(36, 71, 216, .14);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .92);
  box-shadow: var(--shadow-md);
}

.course-lockup {
  width: min(100%, 360px);
  max-height: 88px;
  object-fit: contain;
  object-position: left center;
}

.course-identity-copy h2 {
  margin: 12px 0 8px;
  font-size: 1.35rem;
  line-height: 1.15;
  letter-spacing: -.025em;
}

.course-identity-copy p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.course-section-heading {
  margin-bottom: 26px;
}

.course-facts-section {
  padding-top: 46px;
}

.course-fact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.course-fact-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.course-fact-card strong {
  display: block;
  color: var(--brand);
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -.04em;
}

.course-fact-card span {
  display: block;
  margin-top: 6px;
  font-weight: 800;
}

.course-fact-card p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.course-fact-card-operational {
  border-color: rgba(15, 118, 110, .22);
  background: linear-gradient(180deg, rgba(15, 118, 110, .035), #fff);
}

.course-audience-section {
  background: #eef2f8;
  border-block: 1px solid var(--border);
}

.audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.audience-panel {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .94);
}

.audience-panel-positive {
  border-color: rgba(15, 118, 110, .20);
}

.audience-label {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(15, 118, 110, .08);
  font-size: .74rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.audience-label-neutral {
  color: #7c4a10;
  background: rgba(180, 111, 30, .10);
}

.audience-panel h3 {
  margin: 14px 0 16px;
  font-size: 1.2rem;
  line-height: 1.25;
}

.check-list,
.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-top: 1px solid rgba(99, 112, 131, .13);
  color: var(--muted);
  font-size: .92rem;
}

.check-list li:first-child,
.plain-list li:first-child {
  border-top: 0;
}

.check-list li::before,
.plain-list li::before {
  position: absolute;
  left: 2px;
  top: 10px;
  font-weight: 900;
}

.check-list li::before {
  content: "✓";
  color: var(--accent);
}

.plain-list li::before {
  content: "—";
  color: #8b5b22;
}

.method-grid,
.experience-grid,
.access-grid,
.boundaries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.method-card,
.experience-card,
.access-card,
.boundary-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}

.method-card {
  box-shadow: var(--shadow-sm);
}

.method-number {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 30px;
  margin-bottom: 14px;
  border-radius: 8px;
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
  font-size: .76rem;
  font-weight: 850;
}

.method-card h3,
.experience-card h3,
.access-card h3,
.boundary-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.method-card p,
.experience-card p,
.access-card p,
.boundary-card p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.course-method-note {
  margin-top: 18px;
  padding: 20px;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(36, 71, 216, .055);
}

.course-method-note strong {
  display: block;
  margin-bottom: 5px;
}

.course-method-note p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.language-section {
  padding-top: 28px;
}

.language-panel {
  padding: 24px;
  border: 1px solid rgba(36, 71, 216, .15);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 96% 5%, rgba(36, 71, 216, .10), transparent 26%),
    #fff;
  box-shadow: var(--shadow-sm);
}

.language-copy h2 {
  margin: 8px 0 10px;
  font-size: clamp(1.85rem, 8vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.language-copy p {
  margin: 0;
  max-width: 72ch;
  color: var(--muted);
}

.language-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.language-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(247, 248, 251, .82);
}

.language-badge {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.language-card h3 {
  margin: 10px 0 6px;
  font-size: 1.05rem;
}

.language-card p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.language-clarification {
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}

.course-experience-section {
  background: #f9fafc;
}

.experience-card {
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.boundaries-panel {
  padding: 24px;
  border-radius: var(--radius-lg);
  color: #fff;
  background: #102e52;
  box-shadow: var(--shadow-md);
}

.boundaries-copy {
  max-width: 780px;
}

.boundaries-copy .section-kicker {
  color: #a8c7ff;
}

.boundaries-copy h2 {
  margin: 8px 0 10px;
  color: #fff;
  font-size: clamp(1.85rem, 8vw, 2.55rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.boundaries-copy p {
  margin: 0;
  color: rgba(255, 255, 255, .75);
}

.boundaries-grid {
  margin-top: 24px;
}

.boundary-card {
  border-color: rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .07);
}

.boundary-card h3 {
  color: #fff;
}

.boundary-card p {
  color: rgba(255, 255, 255, .72);
}

.access-card {
  position: relative;
  padding-top: 52px;
  box-shadow: var(--shadow-sm);
}

.access-label {
  position: absolute;
  top: 18px;
  left: 20px;
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(15, 118, 110, .08);
  font-size: .7rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.approved-description-section {
  padding-top: 24px;
}

.approved-description {
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid rgba(15, 118, 110, .18);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(15, 118, 110, .045), rgba(36, 71, 216, .035)),
    #fff;
}

.approved-description h2 {
  margin: 7px 0 0;
  font-size: clamp(1.8rem, 8vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -.04em;
}

.approved-description-text {
  margin: 0;
  padding: 18px;
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--text);
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.65;
}

.approved-description-note {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
}

.course-next-section {
  padding-top: 24px;
}

.course-next-panel {
  display: grid;
  gap: 24px;
  padding: 24px;
  border: 1px solid rgba(36, 71, 216, .16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 95% 10%, rgba(36, 71, 216, .10), transparent 28%),
    #fff;
  box-shadow: var(--shadow-sm);
}

.course-next-panel h2 {
  margin: 8px 0 10px;
  font-size: clamp(1.85rem, 8vw, 2.45rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.course-next-panel p {
  margin: 0;
  color: var(--muted);
}

.course-next-actions {
  display: grid;
  gap: 10px;
  align-content: start;
}

.course-next-actions .text-link {
  margin-top: 2px;
}

@media (min-width: 480px) {
  .course-fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-next-actions {
    grid-template-columns: max-content max-content;
    justify-content: start;
    align-items: center;
  }

  .course-next-actions .text-link {
    grid-column: 1 / -1;
  }
}

@media (min-width: 720px) {
  .course-hero {
    padding: 62px 0 72px;
  }

  .course-identity-card,
  .language-panel,
  .boundaries-panel,
  .approved-description,
  .course-next-panel {
    padding: 30px;
  }

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

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

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

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

@media (min-width: 981px) {
  .course-hero {
    padding: 78px 0 84px;
  }

  .course-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(330px, .72fr);
    align-items: center;
    gap: 54px;
  }

  .course-hero-copy h1 {
    font-size: clamp(3.8rem, 5.7vw, 5.1rem);
  }

  .course-fact-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

  .boundaries-panel {
    padding: 38px;
  }

  .course-next-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr);
    align-items: center;
    gap: 48px;
    padding: 38px;
  }
}

@media (min-width: 1200px) {
  .course-hero-grid {
    gap: 70px;
  }

  .course-fact-card,
  .method-card,
  .experience-card,
  .access-card {
    padding-inline: 22px;
  }

  .language-panel,
  .boundaries-panel,
  .approved-description,
  .course-next-panel {
    padding: 42px;
  }
}

/* ==========================================================
   GUÍA RÁPIDA
   Compact mobile-first promotion reference
========================================================== */

.quick-guide-hero {
  padding: 48px 0 58px;
  background:
    radial-gradient(circle at 88% 12%, rgba(36, 71, 216, .10), transparent 34%),
    linear-gradient(180deg, #fff, #f7f8fb);
}

.quick-guide-hero h1 {
  margin: 18px 0;
  max-width: 12ch;
  font-size: clamp(2.35rem, 12vw, 3.4rem);
  line-height: .98;
  letter-spacing: -.05em;
}

.quick-guide-lead {
  max-width: 64ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.quick-guide-section {
  padding-block: 48px;
}

.quick-guide-section-check {
  border-block: 1px solid var(--border);
  background: #f2f5f9;
}

.quick-guide-section-no {
  background: #fff;
}

.quick-guide-heading {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  max-width: 800px;
  margin-bottom: 24px;
}

.quick-guide-heading h2 {
  margin: 6px 0 0;
  font-size: clamp(1.75rem, 8vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.quick-guide-signal {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  font-size: 1.2rem;
  font-weight: 900;
}

.quick-guide-signal-yes {
  color: var(--accent);
  background: rgba(15, 118, 110, .10);
}

.quick-guide-signal-check {
  color: #8a5312;
  background: rgba(180, 111, 30, .12);
}

.quick-guide-signal-no {
  color: #a23a3a;
  background: rgba(176, 55, 55, .10);
}

.quick-guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.quick-guide-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.quick-guide-card h3 {
  margin: 0 0 7px;
  font-size: 1.02rem;
  line-height: 1.25;
}

.quick-guide-card p {
  margin: 0;
  color: var(--muted);
  font-size: .91rem;
}

.quick-guide-next-section {
  padding-top: 28px;
}

.quick-guide-next {
  display: grid;
  gap: 22px;
  padding: 24px;
  border: 1px solid rgba(36, 71, 216, .15);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 96% 8%, rgba(36, 71, 216, .09), transparent 28%),
    #fff;
  box-shadow: var(--shadow-sm);
}

.quick-guide-next h2 {
  margin: 7px 0 10px;
  font-size: clamp(1.8rem, 8vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -.04em;
}

.quick-guide-next p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
}

.quick-guide-actions {
  display: grid;
  gap: 10px;
  align-content: start;
}

@media (min-width: 480px) {
  .quick-guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-guide-actions {
    grid-template-columns: max-content max-content;
    justify-content: start;
    align-items: center;
  }

  .quick-guide-actions .text-link {
    grid-column: 1 / -1;
  }
}

@media (min-width: 720px) {
  .quick-guide-hero {
    padding: 62px 0 70px;
  }

  .quick-guide-section {
    padding-block: 60px;
  }

  .quick-guide-heading {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
    margin-bottom: 28px;
  }

  .quick-guide-signal {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }

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

  .quick-guide-next {
    padding: 30px;
  }
}

@media (min-width: 981px) {
  .quick-guide-hero {
    padding: 76px 0 82px;
  }

  .quick-guide-hero h1 {
    font-size: clamp(3.8rem, 5.6vw, 5rem);
  }

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

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

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

  .quick-guide-next {
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr);
    align-items: center;
    gap: 44px;
    padding: 38px;
  }
}

@media (min-width: 1200px) {
  .quick-guide-next {
    padding: 42px;
  }
}

/* ==========================================================
   REGLAS
   Complete affiliate conditions in a scan-friendly format
========================================================== */

.rules-hero {
  padding: 48px 0 56px;
  background:
    radial-gradient(circle at 88% 12%, rgba(36, 71, 216, .10), transparent 34%),
    linear-gradient(180deg, #fff, #f7f8fb);
}

.rules-hero h1 {
  margin: 18px 0;
  max-width: 14ch;
  font-size: clamp(2.35rem, 12vw, 3.45rem);
  line-height: .98;
  letter-spacing: -.05em;
}

.rules-lead {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.rules-principle {
  display: grid;
  gap: 10px;
  max-width: 760px;
  margin-top: 28px;
  padding: 18px;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(36, 71, 216, .055);
}

.rules-principle strong {
  line-height: 1.45;
}

.rules-navigation {
  padding-bottom: 32px;
}

.rules-jump-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.rules-jump-grid a {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.rules-jump-grid a:hover {
  transform: translateY(-1px);
  border-color: rgba(36, 71, 216, .25);
  box-shadow: 0 12px 28px rgba(24, 33, 47, .10);
}

.rules-jump-grid strong {
  font-size: .98rem;
}

.rules-jump-grid span {
  color: var(--muted);
  font-size: .86rem;
}

.rules-group {
  padding-top: 28px;
}

.rules-category {
  scroll-margin-top: 96px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.rules-category:first-of-type {
  border-top: 0;
}

.rules-category-heading {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}

.rules-category-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
  font-size: .76rem;
  font-weight: 850;
}

.rules-category-heading h3 {
  margin: 0 0 5px;
  font-size: 1.3rem;
  line-height: 1.15;
}

.rules-category-heading p {
  margin: 0;
  color: var(--muted);
  font-size: .91rem;
}

.rules-accordion {
  display: grid;
  gap: 10px;
}

.rule-detail {
  overflow: clip;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: 0 5px 18px rgba(24, 33, 47, .05);
}

.rule-detail summary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px;
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 15px 16px;
  cursor: pointer;
  font-weight: 780;
  list-style: none;
}

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

.rule-detail summary:hover {
  background: rgba(36, 71, 216, .035);
}

.rule-detail-icon {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--surface-soft);
}

.rule-detail-icon::before,
.rule-detail-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: translate(-50%, -50%);
  transition: transform .18s ease;
}

.rule-detail-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.rule-detail[open] .rule-detail-icon::after {
  transform: translate(-50%, -50%) rotate(0);
}

.rule-detail[open] summary {
  border-bottom: 1px solid var(--border);
  background: rgba(36, 71, 216, .025);
}

.rule-detail-body {
  padding: 17px 16px 19px;
}

.rule-detail-body > :first-child {
  margin-top: 0;
}

.rule-detail-body > :last-child {
  margin-bottom: 0;
}

.rule-detail-body p {
  color: var(--muted);
}

.rule-detail-body ul {
  margin: 0;
  padding-left: 1.25rem;
}

.rule-detail-body li {
  margin: 8px 0;
  color: var(--muted);
}

.rule-detail-body a {
  color: var(--brand);
  font-weight: 700;
}

.rule-note {
  margin-top: 16px;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: .89rem;
}

.rule-warning {
  margin-top: 16px;
  padding: 15px;
  border-left: 4px solid #b46f1e;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(180, 111, 30, .08);
}

.rule-warning strong {
  display: block;
  margin-bottom: 4px;
  color: #7b470f;
}

.rule-warning p {
  margin: 0;
}

.rule-examples,
.rule-two-columns,
.rule-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 14px;
}

.rule-examples > div,
.rule-two-columns > div,
.rule-support-grid > div {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f9fafc;
}

.rule-examples strong,
.rule-two-columns strong,
.rule-support-grid strong {
  display: block;
  margin-bottom: 4px;
  font-size: .86rem;
}

.rule-examples p,
.rule-support-grid span {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
}

.rule-two-columns ul {
  margin-top: 8px;
}

.rule-support-grid > div {
  display: grid;
  gap: 3px;
}

.rules-contact-section {
  padding-top: 24px;
}

.rules-contact-panel {
  display: grid;
  gap: 22px;
  padding: 24px;
  border: 1px solid rgba(36, 71, 216, .15);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 96% 8%, rgba(36, 71, 216, .09), transparent 28%),
    #fff;
  box-shadow: var(--shadow-sm);
}

.rules-contact-panel h2 {
  margin: 7px 0 10px;
  font-size: clamp(1.8rem, 8vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -.04em;
}

.rules-contact-panel p {
  margin: 0;
  max-width: 66ch;
  color: var(--muted);
}

.rules-contact-actions {
  display: grid;
  gap: 10px;
  align-content: start;
}

@media (min-width: 480px) {
  .rules-jump-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .rules-contact-actions {
    grid-template-columns: max-content max-content;
    justify-content: start;
    align-items: center;
  }

  .rules-contact-actions .text-link {
    grid-column: 1 / -1;
  }
}

@media (min-width: 720px) {
  .rules-hero {
    padding: 62px 0 70px;
  }

  .rules-category {
    padding-block: 36px;
  }

  .rules-category-heading {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 16px;
  }

  .rules-category-number {
    width: 48px;
    height: 48px;
    border-radius: 15px;
  }

  .rule-detail summary {
    min-height: 62px;
    padding: 17px 20px;
  }

  .rule-detail-body {
    padding: 20px;
  }

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

  .rules-contact-panel {
    padding: 30px;
  }
}

@media (min-width: 981px) {
  .rules-hero {
    padding: 76px 0 82px;
  }

  .rules-hero h1 {
    font-size: clamp(3.8rem, 5.5vw, 5rem);
  }

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

  .rules-category {
    display: grid;
    grid-template-columns: minmax(230px, .62fr) minmax(0, 1.7fr);
    gap: 42px;
    align-items: start;
  }

  .rules-category-heading {
    position: sticky;
    top: 100px;
    margin-bottom: 0;
  }

  .rules-contact-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
    align-items: center;
    gap: 44px;
    padding: 38px;
  }
}

@media (min-width: 1200px) {
  .rules-category {
    gap: 60px;
  }

  .rule-detail summary {
    padding-inline: 22px;
  }

  .rule-detail-body {
    padding: 22px;
  }

  .rules-contact-panel {
    padding: 42px;
  }
}

/* ==========================================================
   PREGUNTAS FRECUENTES
   Searchable, concise affiliate FAQ
========================================================== */

.faq-hero {
  padding: 48px 0 54px;
  background:
    radial-gradient(circle at 88% 12%, rgba(36, 71, 216, .10), transparent 34%),
    linear-gradient(180deg, #fff, #f7f8fb);
}

.faq-hero h1 {
  margin: 18px 0;
  max-width: 14ch;
  font-size: clamp(2.35rem, 12vw, 3.45rem);
  line-height: .98;
  letter-spacing: -.05em;
}

.faq-lead {
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.faq-search {
  max-width: 720px;
  margin-top: 28px;
}

.faq-search label {
  display: block;
  margin-bottom: 7px;
  font-size: .88rem;
  font-weight: 800;
}

.faq-search-control {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.faq-search-control:focus-within {
  border-color: rgba(36, 71, 216, .48);
  box-shadow: 0 0 0 4px rgba(36, 71, 216, .08), var(--shadow-sm);
}

.faq-search-control svg {
  color: var(--muted);
}

.faq-search-control input {
  width: 100%;
  min-width: 0;
  height: 50px;
  padding: 0;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
}

.faq-search-control input::placeholder {
  color: #8995a6;
}

.faq-search-status {
  min-height: 1.4em;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .82rem;
}

.faq-section {
  padding-top: 50px;
}

.faq-groups {
  display: grid;
  gap: 38px;
}

.faq-group[hidden] {
  display: none;
}

.faq-group-heading {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 15px;
}

.faq-group-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
  font-size: .76rem;
  font-weight: 850;
}

.faq-group-heading h3 {
  margin: 0 0 4px;
  font-size: 1.25rem;
  line-height: 1.2;
}

.faq-group-heading p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.faq-list {
  display: grid;
  gap: 9px;
}

.faq-item {
  overflow: clip;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: 0 5px 18px rgba(24, 33, 47, .05);
}

.faq-item[hidden] {
  display: none;
}

.faq-item summary {
  position: relative;
  min-height: 58px;
  padding: 16px 48px 16px 16px;
  cursor: pointer;
  font-weight: 760;
  line-height: 1.35;
  list-style: none;
}

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

.faq-item summary::before,
.faq-item summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 19px;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: translateY(-50%);
  transition: transform .18s ease;
}

.faq-item summary::after {
  transform: translateY(-50%) rotate(90deg);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(0deg);
}

.faq-item summary:hover {
  background: rgba(36, 71, 216, .035);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--border);
  background: rgba(36, 71, 216, .025);
}

.faq-answer {
  padding: 17px 16px 19px;
}

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

.faq-answer > :last-child {
  margin-bottom: 0;
}

.faq-answer p {
  margin: 0 0 12px;
  color: var(--muted);
}

.faq-answer a {
  color: var(--brand);
  font-weight: 700;
}

.faq-source {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .88rem;
  text-decoration: none;
}

.faq-tag {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  margin-bottom: 10px;
  padding: 0 9px;
  border-radius: 999px;
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .03em;
}

.faq-tag-warning {
  color: #7b470f;
  background: rgba(180, 111, 30, .10);
}

.faq-tag-check {
  color: var(--accent);
  background: rgba(15, 118, 110, .09);
}

.faq-answer-note {
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: .87rem;
}

.faq-destination-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.faq-destination-grid > div {
  display: grid;
  gap: 3px;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f9fafc;
}

.faq-destination-grid strong {
  font-size: .88rem;
}

.faq-destination-grid span {
  color: var(--muted);
  font-size: .87rem;
}

.faq-empty {
  margin-top: 28px;
  padding: 24px;
  border: 1px dashed #b9c4d6;
  border-radius: var(--radius-lg);
  text-align: center;
  background: #fff;
}

.faq-empty h3 {
  margin: 0 0 7px;
}

.faq-empty p {
  margin: 0 0 16px;
  color: var(--muted);
}

.faq-fit-section {
  padding-top: 20px;
}

.faq-fit-panel {
  display: grid;
  gap: 22px;
  padding: 24px;
  border-radius: var(--radius-lg);
  color: #fff;
  background: #102e52;
  box-shadow: var(--shadow-md);
}

.faq-fit-panel .section-kicker {
  color: #a8c7ff;
}

.faq-fit-panel h2 {
  margin: 7px 0 10px;
  color: #fff;
  font-size: clamp(1.8rem, 8vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -.04em;
}

.faq-fit-panel p {
  margin: 0;
  max-width: 68ch;
  color: rgba(255, 255, 255, .75);
}

.faq-fit-actions {
  display: grid;
  gap: 10px;
  align-content: start;
}

.faq-fit-actions .button-secondary {
  border-color: rgba(255, 255, 255, .24);
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

@media (min-width: 480px) {
  .faq-destination-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-fit-actions {
    grid-template-columns: max-content max-content;
    justify-content: start;
  }
}

@media (min-width: 720px) {
  .faq-hero {
    padding: 62px 0 68px;
  }

  .faq-groups {
    gap: 46px;
  }

  .faq-group-heading {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 16px;
  }

  .faq-group-number {
    width: 48px;
    height: 48px;
    border-radius: 15px;
  }

  .faq-item summary {
    min-height: 62px;
    padding: 17px 54px 17px 20px;
  }

  .faq-answer {
    padding: 20px;
  }

  .faq-fit-panel {
    padding: 30px;
  }
}

@media (min-width: 981px) {
  .faq-hero {
    padding: 76px 0 80px;
  }

  .faq-hero h1 {
    font-size: clamp(3.8rem, 5.5vw, 5rem);
  }

  .faq-group {
    display: grid;
    grid-template-columns: minmax(220px, .62fr) minmax(0, 1.7fr);
    gap: 42px;
    align-items: start;
  }

  .faq-group-heading {
    position: sticky;
    top: 100px;
    margin-bottom: 0;
  }

  .faq-fit-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
    align-items: center;
    gap: 44px;
    padding: 38px;
  }
}

@media (min-width: 1200px) {
  .faq-group {
    gap: 60px;
  }

  .faq-item summary {
    padding-inline: 22px 58px;
  }

  .faq-answer {
    padding: 22px;
  }

  .faq-fit-panel {
    padding: 42px;
  }
}

/* ==========================================================
   MATERIALES — EVIDENCIA DEL CURSO
   Mobile-first evidence gallery and downloads
========================================================== */

.materials-hero {
  padding: 48px 0 58px;
  background:
    radial-gradient(circle at 88% 12%, rgba(36, 71, 216, .10), transparent 34%),
    radial-gradient(circle at 10% 82%, rgba(15, 118, 110, .06), transparent 28%),
    linear-gradient(180deg, #fff, #f7f8fb);
}

.materials-hero h1 {
  margin: 18px 0;
  max-width: 14ch;
  font-size: clamp(2.35rem, 12vw, 3.45rem);
  line-height: .98;
  letter-spacing: -.05em;
}

.materials-lead {
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.evidence-section {
  scroll-margin-top: 90px;
  padding-top: 50px;
}

.evidence-heading {
  margin-bottom: 26px;
}

.evidence-practice-section {
  border-top: 1px solid var(--border);
  background: #f6f8fb;
}

.evidence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.evidence-card {
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.evidence-figure {
  margin: 0;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  background: #eef1f6;
}

.evidence-image-link {
  display: block;
  overflow: hidden;
  border-radius: calc(var(--radius-md) - 4px);
  background: #fff;
}

.evidence-image-link img {
  width: 100%;
  height: auto;
  object-fit: contain;
  transition: transform .22s ease;
}

.evidence-image-link:hover img {
  transform: scale(1.012);
}

.evidence-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 20px;
}

.evidence-card-body-top {
  padding-bottom: 16px;
}

.evidence-label {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--brand);
  background: rgba(36, 71, 216, .08);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.evidence-card h3 {
  margin: 10px 0 7px;
  font-size: 1.14rem;
  line-height: 1.2;
}

.evidence-card p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.evidence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
}

.button-small {
  width: auto;
  min-height: 42px;
  padding-inline: .88rem;
  font-size: .88rem;
}

.evidence-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
}

.evidence-pair-item + .evidence-pair-item {
  border-top: 1px solid var(--border);
}

.evidence-pair .evidence-figure {
  border-bottom: 0;
}

.evidence-subitem {
  padding: 0 20px 20px;
}

.evidence-subitem strong {
  display: block;
  margin-bottom: 8px;
}

.evidence-subitem .evidence-actions {
  gap: 10px 18px;
}

.evidence-use-note {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: 22px;
  border: 1px solid rgba(36, 71, 216, .15);
  border-radius: var(--radius-lg);
  background: #fff;
}

.evidence-use-note h3 {
  margin: 7px 0 7px;
  font-size: 1.18rem;
  line-height: 1.2;
}

.evidence-use-note p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

@media (min-width: 480px) {
  .evidence-actions .button-small {
    width: auto;
  }
}

@media (min-width: 720px) {
  .materials-hero {
    padding: 62px 0 70px;
  }

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

  .evidence-card-wide {
    grid-column: 1 / -1;
  }

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

  .evidence-pair-item + .evidence-pair-item {
    border-top: 0;
    border-left: 1px solid var(--border);
  }

  .evidence-card-body,
  .evidence-use-note {
    padding: 24px;
  }

  .evidence-subitem {
    padding-inline: 24px;
    padding-bottom: 24px;
  }

  .evidence-use-note {
    grid-template-columns: minmax(0, 1fr) max-content;
    align-items: center;
  }
}

@media (min-width: 981px) {
  .materials-hero {
    padding: 76px 0 82px;
  }

  .materials-hero h1 {
    font-size: clamp(3.8rem, 5.6vw, 5rem);
  }

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

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

  .evidence-card-body {
    padding: 26px;
  }

  .evidence-subitem {
    padding-inline: 26px;
    padding-bottom: 26px;
  }
}

@media (min-width: 1200px) {
  .evidence-grid {
    gap: 20px;
  }

  .evidence-use-note {
    padding: 28px;
  }
}

/* ==========================================================
   COURSE INSIDE BRIDGE + PROMOTIONAL MATERIALS
========================================================== */

.course-inside-section {
  padding-top: 24px;
  padding-bottom: 24px;
}

.course-inside-panel {
  display: grid;
  gap: 20px;
  padding: 24px;
  border: 1px solid rgba(36, 71, 216, .15);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 95% 10%, rgba(36, 71, 216, .08), transparent 30%),
    #fff;
  box-shadow: var(--shadow-sm);
}

.course-inside-panel h2 {
  margin: 7px 0 9px;
  font-size: clamp(1.8rem, 8vw, 2.35rem);
  line-height: 1.06;
  letter-spacing: -.04em;
}

.course-inside-panel p {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
}

.course-inside-panel .button {
  align-self: start;
}

.promo-materials-section {
  scroll-margin-top: 90px;
  border-top: 1px solid var(--border);
  background: #f7f9fc;
}

.promo-materials-heading {
  max-width: 780px;
}

.promo-materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.promo-card {
  min-width: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.promo-preview {
  margin: 0;
  padding: 16px 16px 0;
  background: linear-gradient(180deg, #f1f4f9, #fff);
}

.promo-preview img {
  width: min(100%, 600px);
  margin-inline: auto;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(24, 33, 47, .12);
}

.promo-card-body {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.promo-card-body h3 {
  margin: 7px 0 8px;
  font-size: 1.22rem;
  line-height: 1.2;
}

.promo-card-body p {
  margin: 0;
  color: var(--muted);
  font-size: .93rem;
}

.promo-formats {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.promo-formats span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: .78rem;
  font-weight: 720;
}

.promo-downloads {
  display: grid;
  gap: 8px;
}

.promo-downloads .button {
  width: 100%;
}

.promo-use-note {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding: 18px;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(36, 71, 216, .055);
}

.promo-use-note strong {
  display: block;
  margin-bottom: 4px;
}

.promo-use-note p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

@media (min-width: 480px) {
  .course-inside-panel {
    grid-template-columns: minmax(0, 1fr) max-content;
    align-items: center;
  }

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

@media (min-width: 720px) {
  .course-inside-panel {
    padding: 30px;
  }

  .promo-card-body {
    padding: 24px;
  }

  .promo-use-note {
    grid-template-columns: minmax(0, 1fr) max-content;
    align-items: center;
    padding: 20px;
  }
}

@media (min-width: 981px) {
  .promo-materials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .promo-card-body {
    align-content: start;
  }

  .promo-downloads {
    grid-template-columns: 1fr;
  }

  .course-inside-panel {
    padding: 36px 38px;
  }
}

@media (min-width: 1200px) {
  .promo-card-body {
    padding: 28px;
  }
}

/* ==========================================================
   AFFILIATE TOOLS — TEXTOS, EMAILS, ENLACES
========================================================== */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.tools-hero{padding:48px 0 56px;background:radial-gradient(circle at 88% 12%,rgba(36,71,216,.10),transparent 34%),linear-gradient(180deg,#fff,#f7f8fb)}
.tools-hero h1{margin:18px 0;max-width:14ch;font-size:clamp(2.35rem,12vw,3.45rem);line-height:.98;letter-spacing:-.05em}
.tools-lead{max-width:68ch;margin:0;color:var(--muted);font-size:1.04rem}
.tools-subnav{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tools-subnav a{display:inline-flex;min-height:40px;align-items:center;padding:0 .9rem;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--muted);font-size:.88rem;font-weight:750;text-decoration:none}
.tools-subnav a:hover,.tools-subnav a.is-current{border-color:rgba(36,71,216,.24);background:rgba(36,71,216,.07);color:var(--brand)}
.tools-intro-section,.email-safety-section{padding-bottom:34px}
.tools-intro-grid,.email-safety-grid,.link-basics-grid{display:grid;grid-template-columns:1fr;gap:12px}
.tools-intro-grid article,.email-safety-grid article,.link-basics-grid article{display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px;padding:18px;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm)}
.email-safety-grid article,.link-basics-grid article{display:block}
.tools-intro-grid article>span,.link-basics-grid article>strong{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:rgba(36,71,216,.08);color:var(--brand);font-weight:850}
.tools-intro-grid h2,.email-safety-grid h2,.link-basics-grid h3{margin:0 0 5px;font-size:1rem}
.tools-intro-grid p,.email-safety-grid p,.link-basics-grid p{margin:0;color:var(--muted);font-size:.9rem}
.tools-helper{margin:16px 0 0;color:var(--muted);font-size:.9rem}.tools-helper a{color:var(--brand);font-weight:750}
.library-section{padding-top:30px;background:#f8fafc;border-top:1px solid var(--border)}
.library-toolbar{display:grid;gap:12px;margin-bottom:22px}
.library-search input{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text)}
.library-search input:focus{border-color:rgba(36,71,216,.42);outline:3px solid rgba(36,71,216,.12)}
.library-filters{display:flex;flex-wrap:wrap;gap:7px}.library-filters button{min-height:38px;padding:0 .8rem;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--muted);font-size:.82rem;font-weight:750;cursor:pointer}.library-filters button[aria-pressed="true"]{border-color:rgba(36,71,216,.26);background:rgba(36,71,216,.08);color:var(--brand)}
.library-status{min-height:1.2em;margin:0;color:var(--muted);font-size:.84rem}
.library-grid{display:grid;grid-template-columns:1fr;gap:14px}.library-card{min-width:0;padding:20px;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm)}.library-card[hidden]{display:none}
.library-card-head{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;align-items:start}.library-card h3{margin:7px 0 0;font-size:1.08rem;line-height:1.2}.library-meta{display:flex;flex-wrap:wrap;gap:6px}.library-meta span{display:inline-flex;min-height:24px;align-items:center;padding:0 8px;border-radius:999px;background:var(--surface-soft);color:var(--muted);font-size:.7rem;font-weight:800}
.copy-button{justify-self:start;min-height:38px;padding:0 .8rem;border:1px solid rgba(36,71,216,.20);border-radius:10px;background:rgba(36,71,216,.06);color:var(--brand);font-size:.82rem;font-weight:800;cursor:pointer}.copy-button:hover{background:rgba(36,71,216,.11)}
.copy-template{margin-top:14px;padding:16px;border:1px solid var(--border);border-radius:12px;background:#f9fafc;color:#344054;font-size:.9rem;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.library-note{margin:12px 0 0;padding:10px 12px;border-left:3px solid #b46f1e;background:rgba(180,111,30,.06);color:var(--muted);font-size:.82rem}.library-empty{padding:28px;border:1px dashed var(--border);border-radius:var(--radius-md);text-align:center;color:var(--muted);background:#fff}
.tools-end-section,.link-support-section{padding-top:28px}.tools-end-panel{display:grid;gap:22px;padding:24px;border:1px solid rgba(36,71,216,.15);border-radius:var(--radius-lg);background:radial-gradient(circle at 96% 8%,rgba(36,71,216,.09),transparent 28%),#fff;box-shadow:var(--shadow-sm)}.tools-end-panel h2{margin:7px 0 10px;font-size:clamp(1.8rem,8vw,2.4rem);line-height:1.06;letter-spacing:-.04em}.tools-end-panel p{margin:0;color:var(--muted)}.tools-end-actions{display:grid;gap:10px;align-content:start}
.email-safety-grid article{padding:18px}.email-safety-grid h2{font-size:1rem}.email-safety-grid p{font-size:.88rem}
.link-basics-section{padding-bottom:34px}.link-basics-grid article{padding:20px}.link-basics-grid article>strong{margin-bottom:12px}.destination-section{padding-top:30px;background:#f8fafc;border-block:1px solid var(--border)}.destination-grid{display:grid;grid-template-columns:1fr;gap:14px}.destination-card{display:grid;gap:18px;padding:20px;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm)}.destination-card h2{margin:5px 0 7px;font-size:1.15rem}.destination-card p{margin:0;color:var(--muted);font-size:.9rem}.destination-type{color:var(--brand);font-size:.72rem;font-weight:850;text-transform:uppercase;letter-spacing:.04em}.marker-row{display:grid;gap:9px}.marker-row code{display:block;padding:12px;border-radius:10px;background:#101828;color:#fff;font-size:.78rem;overflow-wrap:anywhere}
.link-check-section{padding-top:34px}.link-check-panel{display:grid;gap:22px;padding:24px;border:1px solid rgba(15,118,110,.16);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-sm)}.link-check-panel h2{margin:7px 0 0;font-size:clamp(1.8rem,8vw,2.35rem);line-height:1.06;letter-spacing:-.04em}.link-check-list{margin:0;padding:0;list-style:none}.link-check-list li{position:relative;padding:9px 0 9px 28px;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem}.link-check-list li:first-child{border-top:0}.link-check-list li::before{content:"✓";position:absolute;left:2px;color:var(--accent);font-weight:900}.link-check-actions{display:grid;gap:10px;align-content:start}
@media (min-width:480px){.library-card-head{grid-template-columns:minmax(0,1fr) max-content}.copy-button{justify-self:end}.tools-end-actions,.link-check-actions{grid-template-columns:max-content max-content;justify-content:start}.destination-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:720px){.tools-hero{padding:62px 0 70px}.tools-intro-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.email-safety-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.link-basics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.library-toolbar{grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);align-items:center}.library-status{grid-column:1/-1}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tools-end-panel,.link-check-panel{padding:30px}}
@media (min-width:981px){.tools-hero{padding:76px 0 82px}.tools-hero h1{font-size:clamp(3.8rem,5.5vw,5rem)}.email-safety-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.destination-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.tools-end-panel{grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);align-items:center;gap:44px;padding:38px}.link-check-panel{grid-template-columns:minmax(240px,.7fr) minmax(0,1.15fr) minmax(250px,.65fr);align-items:start;padding:38px}}
@media (min-width:1200px){.tools-end-panel,.link-check-panel{padding:42px}.library-card{padding:22px}}


.library-audience-note {
  display: grid;
  gap: 8px;
  margin: 16px 0 22px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(36, 71, 216, .035);
}

.library-audience-note p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.library-audience-note strong {
  color: var(--text);
}


/* Demo integration */
.demo-library-section{border-top:1px solid var(--border);background:#f8fafc}.demo-library-heading{max-width:760px}.demo-resource-grid,.demo-link-grid{display:grid;grid-template-columns:1fr;gap:16px}.demo-resource-card,.demo-link-card{min-width:0;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-sm)}.demo-resource-preview{margin:0;overflow:hidden;border-bottom:1px solid var(--border);background:#f4f6fa;aspect-ratio:3/2}.demo-resource-card-featured .demo-resource-preview{aspect-ratio:5/3}.demo-resource-preview img{width:100%;height:100%;object-fit:contain}.demo-resource-body{display:grid;gap:18px;padding:20px}.demo-resource-label,.demo-link-label{display:inline-flex;min-height:26px;align-items:center;width:fit-content;padding:0 8px;border-radius:999px;color:var(--brand);background:rgba(36,71,216,.08);font-size:.7rem;font-weight:850;letter-spacing:.04em;text-transform:uppercase}.demo-resource-card-featured .demo-resource-label,.demo-link-card-default .demo-link-label{color:var(--accent);background:rgba(15,118,110,.09)}.demo-resource-body h3,.demo-link-card h3{margin:10px 0 7px;font-size:1.12rem;line-height:1.2}.demo-resource-body p,.demo-link-card p{margin:0;color:var(--muted);font-size:.91rem}.demo-resource-actions{display:grid;gap:8px}.demo-resource-actions .button{width:100%}.demo-resource-note,.demo-link-note{display:grid;gap:10px;margin-top:18px;padding:18px;border-left:4px solid var(--brand);border-radius:0 var(--radius-md) var(--radius-md) 0;background:rgba(36,71,216,.055)}.demo-resource-note strong,.demo-link-note strong{display:block;margin-bottom:3px}.demo-resource-note p,.demo-link-note p{margin:0;color:var(--muted);font-size:.9rem}.demo-links-section{padding-top:26px;border-top:1px solid var(--border);background:#f8fafc}.demo-link-card{padding:20px}.demo-link-card-default{border-color:rgba(15,118,110,.22)}.demo-link-marker{display:grid;gap:6px;margin:14px 0;padding:12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-soft)}.demo-link-marker span{color:var(--muted);font-size:.76rem;font-weight:750}.demo-link-marker code{overflow-wrap:anywhere;color:var(--text);font-size:.86rem}.demo-link-hotmart{margin:14px 0!important;padding-top:12px;border-top:1px solid var(--border)}
@media (min-width:480px){.demo-resource-actions{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:720px){.demo-resource-grid,.demo-link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.demo-resource-body,.demo-link-card{padding:22px}.demo-resource-note,.demo-link-note{grid-template-columns:minmax(0,1fr) max-content;align-items:center}}
@media (min-width:981px){.demo-resource-card-featured{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr)}.demo-resource-card-featured .demo-resource-preview{border-right:1px solid var(--border);border-bottom:0;aspect-ratio:auto;min-height:360px}.demo-resource-card-featured .demo-resource-body{align-content:center;padding:32px}.demo-link-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (min-width:1200px){.demo-resource-body,.demo-link-card{padding:24px}.demo-resource-card-featured .demo-resource-body{padding:40px}}

/* Accessibility + rendering safeguards */
img,
svg {
  max-width: 100%;
}

img {
  height: auto;
}

[hidden] {
  display: none !important;
}

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


.not-found-panel {
  max-width: 760px;
  padding: clamp(28px, 7vw, 64px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.not-found-panel h1 {
  max-width: 15ch;
  margin: 14px 0;
  font-size: clamp(2.3rem, 10vw, 4rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.not-found-panel p {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
}