/* Hallmark - pre-emit critique: P5 H5 E4 S5 R5 V5 */
/* =====================================================
   LUM360 - Curso Perfil de Negocio de Google
   Vanilla CSS, responsive, printable, no framework.
   ===================================================== */

/* ---------- Tokens ---------- */
:root {
  --lum-dark: #0F1115;
  --lum-charcoal: #1A1D24;
  --lum-graphite: #2B2F38;
  --lum-gold: #C8A96A;
  --lum-gold-soft: #E3D0A2;
  --lum-ivory: #F5F1E8;
  --lum-stone: #D8D2C4;
  --lum-muted: #8D929C;
  --lum-success: #5FA878;
  --lum-error: #B66A6A;
  --lum-white: #FFFFFF;
  --lum-black: #000000;

  --ink: var(--lum-ivory);
  --ink-soft: var(--lum-stone);
  --ink-muted: var(--lum-muted);
  --paper: var(--lum-ivory);
  --paper-2: #ECE5D8;
  --paper-3: #FFFDF8;
  --dark-alpha-92: rgba(15, 17, 21, 0.92);
  --dark-alpha-82: rgba(15, 17, 21, 0.82);
  --dark-alpha-68: rgba(15, 17, 21, 0.68);
  --dark-alpha-44: rgba(15, 17, 21, 0.44);
  --light-alpha-12: rgba(255, 255, 255, 0.12);
  --light-alpha-08: rgba(255, 255, 255, 0.08);
  --light-alpha-04: rgba(255, 255, 255, 0.04);
  --gold-alpha-35: rgba(200, 169, 106, 0.35);
  --gold-alpha-24: rgba(200, 169, 106, 0.24);
  --gold-alpha-16: rgba(200, 169, 106, 0.16);
  --gold-alpha-10: rgba(200, 169, 106, 0.10);
  --gold-alpha-06: rgba(200, 169, 106, 0.06);
  --success-alpha-16: rgba(95, 168, 120, 0.16);
  --success-alpha-28: rgba(95, 168, 120, 0.28);
  --error-alpha-16: rgba(182, 106, 106, 0.16);
  --error-alpha-28: rgba(182, 106, 106, 0.28);
  --shadow-soft: 0 20px 64px rgba(0, 0, 0, 0.24);
  --shadow-tight: 0 12px 28px rgba(0, 0, 0, 0.20);
  --hairline: 1px solid var(--gold-alpha-16);
  --hairline-light: 1px solid rgba(15, 17, 21, 0.10);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --header-h: 72px;
  --sidebar-w: 316px;
  --content-max: 980px;
  --font-display: "Cormorant Garamond", "Palatino Linotype", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --print-paper: #FFFFFF;
  --print-ink: #111111;
  --print-muted: #4F4F4F;
}

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

html,
body {
  min-height: 100%;
  overflow-x: clip;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 76% 8%, var(--gold-alpha-16), transparent 26rem),
    radial-gradient(circle at 18% 26%, rgba(95, 168, 120, 0.10), transparent 22rem),
    linear-gradient(180deg, var(--lum-dark), var(--lum-charcoal) 46%, var(--lum-dark));
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(var(--light-alpha-04) 1px, transparent 1px),
    linear-gradient(90deg, var(--light-alpha-04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, var(--lum-black), transparent 72%);
}

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

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

p,
h1,
h2,
h3,
h4,
li,
button,
span,
strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 6.1rem);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 4.25rem);
}

h3 {
  font-size: clamp(1.35rem, 2vw, 2rem);
}

p {
  margin: 0;
}

strong {
  font-weight: 650;
}

::selection {
  color: var(--lum-dark);
  background: var(--lum-gold-soft);
}

:focus-visible {
  outline: 2px solid var(--lum-gold-soft);
  outline-offset: 3px;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 0.75rem 1rem;
  color: var(--lum-dark);
  background: var(--lum-gold-soft);
  border-radius: var(--radius-sm);
  transform: translateY(-140%);
  transition: transform 160ms var(--ease);
}

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

/* ---------- Header ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  padding: 0 clamp(1rem, 3vw, 2rem);
  background: var(--dark-alpha-92);
  border-bottom: var(--hairline);
  backdrop-filter: blur(22px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-cluster {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.6rem, 2vw, 1rem);
  min-width: 0;
  justify-self: start;
}

.brand-mark img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--gold-alpha-35);
}

.brand-mark span {
  display: grid;
  gap: 0.05rem;
}

.brand-mark strong {
  color: var(--lum-gold-soft);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-mark small {
  color: var(--ink-muted);
  font-size: 0.72rem;
}

.course-site-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.course-site-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 0.8rem;
  border: var(--hairline);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  background: var(--light-alpha-04);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.course-site-link:hover,
.course-site-link:focus-visible,
.course-tools-dropdown.is-open .course-tools-toggle {
  color: var(--lum-gold-soft);
  background: var(--gold-alpha-10);
}

.course-tools-dropdown {
  position: relative;
}

.course-tools-toggle::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: 0.5rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 180ms var(--ease);
}

.course-tools-dropdown:hover .course-tools-toggle::after,
.course-tools-dropdown:focus-within .course-tools-toggle::after,
.course-tools-dropdown.is-open .course-tools-toggle::after {
  transform: rotate(-135deg) translateY(-2px);
}

.course-tools-panel {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 0;
  width: min(280px, calc(100vw - 2rem));
  padding: 0.55rem;
  border: var(--hairline);
  border-radius: var(--radius-md);
  background: rgba(15, 17, 21, 0.96);
  box-shadow: var(--shadow-tight);
  backdrop-filter: blur(18px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 180ms var(--ease);
}

.course-tools-dropdown:hover .course-tools-panel,
.course-tools-dropdown:focus-within .course-tools-panel,
.course-tools-dropdown.is-open .course-tools-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.course-tools-panel a {
  display: block;
  padding: 0.72rem 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.35;
}

.course-tools-panel a:hover,
.course-tools-panel a:focus-visible,
.course-tools-panel a.is-active {
  color: var(--lum-gold-soft);
  background: var(--gold-alpha-10);
}

.top-progress {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  justify-self: center;
  color: var(--lum-gold-soft);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.progress-track {
  width: clamp(110px, 18vw, 220px);
  height: 4px;
  overflow: hidden;
  background: var(--light-alpha-08);
  border-radius: 999px;
}

.progress-fill {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--lum-gold), var(--lum-gold-soft));
  border-radius: inherit;
  transition: width 420ms var(--ease);
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  min-width: 0;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  color: var(--lum-gold-soft);
  background: var(--light-alpha-04);
  border: var(--hairline);
  border-radius: var(--radius-sm);
}

.menu-button span:not(.sr-only) {
  width: 18px;
  height: 1px;
  background: currentColor;
}

/* ---------- Buttons ---------- */
.primary-button,
.secondary-button,
.ghost-button,
.icon-button {
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition:
    transform 180ms var(--ease),
    border-color 180ms var(--ease),
    background 180ms var(--ease),
    color 180ms var(--ease),
    box-shadow 180ms var(--ease);
}

.primary-button {
  color: var(--lum-dark);
  background: linear-gradient(135deg, var(--lum-gold-soft), var(--lum-gold));
  box-shadow: 0 12px 26px var(--gold-alpha-16);
}

.secondary-button {
  color: var(--lum-gold-soft);
  background: var(--light-alpha-04);
  border-color: var(--gold-alpha-24);
}

.ghost-button,
.icon-button {
  color: var(--ink-soft);
  background: transparent;
  border-color: var(--light-alpha-12);
}

.ghost-button.danger {
  color: var(--lum-error);
  border-color: var(--error-alpha-28);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.primary-button:active,
.secondary-button:active,
.ghost-button:active,
.icon-button:active {
  transform: translateY(0);
}

.primary-button:disabled,
.secondary-button:disabled,
.ghost-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

/* ---------- Layout ---------- */
.course-frame {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
  padding-top: var(--header-h);
}

.course-sidebar {
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 1rem;
  background:
    linear-gradient(180deg, var(--dark-alpha-82), var(--dark-alpha-68)),
    var(--lum-charcoal);
  border-right: var(--hairline);
}

.sidebar-panel {
  padding: 1.2rem;
  background: var(--light-alpha-04);
  border: var(--hairline);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 var(--light-alpha-08);
}

.sidebar-kicker,
.section-label,
.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--lum-gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.sidebar-panel h2 {
  color: var(--lum-ivory);
  font-size: 1.85rem;
}

.sidebar-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--light-alpha-08);
}

.sidebar-score span {
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.sidebar-score strong {
  color: var(--lum-gold-soft);
}

.sidebar-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--light-alpha-08);
}

.sidebar-tools .ghost-button {
  width: 100%;
  min-width: 0;
  padding-inline: 0.65rem;
  font-size: 0.72rem;
}

.module-nav {
  display: grid;
  gap: 0.45rem;
  margin-top: 1rem;
}

.module-link {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-align: left;
  line-height: 1.35;
  transition:
    color 180ms var(--ease),
    background 180ms var(--ease),
    border-color 180ms var(--ease);
}

.module-link span {
  min-width: 2.15rem;
  height: 2.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lum-gold-soft);
  border: 1px solid var(--gold-alpha-24);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
}

.module-link:hover,
.module-link.is-active {
  color: var(--lum-ivory);
  background: var(--gold-alpha-10);
  border-color: var(--gold-alpha-24);
}

.module-link.is-completed span {
  color: var(--lum-dark);
  background: var(--lum-gold);
  border-color: var(--lum-gold);
}

.course-main {
  min-width: 0;
  padding-bottom: 2rem;
}

/* ---------- Hero ---------- */
.hero-section {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(3rem, 8vw, 7rem) clamp(1.1rem, 5vw, 5rem);
  position: relative;
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: auto 6vw 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-alpha-35), transparent);
}

.hero-copy {
  max-width: 880px;
}

.hero-copy h1 {
  max-width: 880px;
  color: var(--lum-ivory);
  letter-spacing: 0;
}

.hero-lead {
  max-width: 760px;
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2rem;
  max-width: 760px;
}

.hero-stats span {
  min-height: 86px;
  display: grid;
  align-content: center;
  gap: 0.18rem;
  padding: 0.9rem;
  color: var(--ink-muted);
  background: var(--light-alpha-04);
  border: var(--hairline);
  border-radius: var(--radius-md);
}

.hero-stats strong {
  display: block;
  color: var(--lum-gold-soft);
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: min(88%, 480px);
  aspect-ratio: 1;
  border: 1px solid var(--gold-alpha-16);
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--gold-alpha-16), transparent 26%),
    conic-gradient(from 140deg, transparent, var(--gold-alpha-24), transparent, var(--success-alpha-16), transparent);
  filter: blur(0.2px);
  opacity: 0.88;
}

.decision-card {
  position: relative;
  z-index: 2;
  width: min(88vw, 340px);
  padding: 1.5rem;
  color: var(--lum-ivory);
  background: linear-gradient(145deg, var(--dark-alpha-92), rgba(43, 47, 56, 0.78));
  border: var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.decision-card-main {
  min-height: 190px;
  display: grid;
  align-content: end;
}

.decision-card p {
  color: var(--ink-soft);
  font-size: 1rem;
}

.decision-card strong {
  margin-top: 0.2rem;
  color: var(--lum-gold-soft);
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.05;
}

.map-pin {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 38px;
  height: 38px;
  border: 1px solid var(--lum-gold);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

.map-pin::after {
  content: "";
  position: absolute;
  inset: 11px;
  border-radius: 50%;
  background: var(--lum-gold);
}

.signal-grid {
  position: absolute;
  inset: auto 0 2.5rem;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.signal-grid span {
  padding: 0.55rem 0.65rem;
  color: var(--ink-soft);
  background: var(--dark-alpha-68);
  border: 1px solid var(--light-alpha-08);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.78rem;
}

/* ---------- Content ---------- */
.content-band {
  padding: clamp(2rem, 5vw, 4rem) clamp(1.1rem, 5vw, 5rem);
}

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

.intro-panel {
  background: linear-gradient(180deg, var(--paper), var(--paper-2));
  color: var(--lum-dark);
  border-block: var(--hairline-light);
}

.intro-panel h2 {
  max-width: 760px;
  color: var(--lum-dark);
}

.intro-panel p:not(.section-label) {
  max-width: 780px;
  margin-top: 1rem;
  color: var(--lum-graphite);
  font-size: 1.04rem;
}

.is-js .module-section,
.is-js .summary-section {
  display: none;
}

.is-js .module-section.is-active,
.is-js .summary-section.is-active {
  display: block;
}

.hero-section.is-hidden,
.intro-panel.is-hidden {
  display: none;
}

.module-section {
  max-width: calc(var(--content-max) + 6rem);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 5rem) clamp(1.1rem, 4vw, 3rem);
  animation: moduleIn 420ms var(--ease);
}

@keyframes moduleIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.module-header {
  max-width: 860px;
  margin-bottom: 1.7rem;
}

.module-header h2 {
  color: var(--lum-ivory);
  letter-spacing: 0;
}

.module-header > p:not(.section-label) {
  margin-top: 0.9rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

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

.learning-card,
.business-application,
.quiz-shell,
.summary-section,
.soft-cta,
.accordion-list,
.seven-day-plan,
.factor-row,
.media-principles {
  border-radius: var(--radius-md);
}

.learning-card {
  min-height: 210px;
  padding: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--lum-dark);
  background: var(--paper);
  border: var(--hairline-light);
  box-shadow: var(--shadow-tight);
}

.learning-card span {
  display: inline-flex;
  margin-bottom: 0.85rem;
  color: var(--lum-gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.learning-card p + p {
  margin-top: 0.85rem;
}

.learning-card p {
  color: var(--lum-graphite);
}

.learning-card.key-card {
  color: var(--lum-ivory);
  background:
    radial-gradient(circle at 88% 0%, var(--gold-alpha-24), transparent 15rem),
    linear-gradient(145deg, var(--lum-charcoal), var(--lum-dark));
  border-color: var(--gold-alpha-24);
}

.learning-card.key-card p {
  color: var(--lum-ivory);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.7vw, 2.5rem);
  line-height: 1.1;
}

.learning-card.example-card {
  background:
    linear-gradient(180deg, var(--paper-3), var(--paper));
  border-left: 3px solid var(--lum-success);
}

.learning-card.error-card {
  background:
    linear-gradient(180deg, var(--paper-3), var(--paper));
  border-left: 3px solid var(--lum-error);
}

.business-application {
  margin-top: 1rem;
  padding: clamp(1.1rem, 2vw, 1.35rem);
  background: var(--light-alpha-04);
  border: var(--hairline);
}

.business-application h3 {
  margin-bottom: 1rem;
  color: var(--lum-gold-soft);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.interactive-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-height: 44px;
  padding: 0.7rem 0.8rem;
  color: var(--ink-soft);
  background: var(--dark-alpha-44);
  border: 1px solid var(--light-alpha-08);
  border-radius: var(--radius-sm);
  transition:
    color 160ms var(--ease),
    background 160ms var(--ease),
    border-color 160ms var(--ease);
}

.interactive-checklist label:hover {
  color: var(--lum-ivory);
  border-color: var(--gold-alpha-24);
}

.interactive-checklist input {
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  margin-top: 0.15rem;
  accent-color: var(--lum-gold);
}

.interactive-checklist label.is-checked {
  color: var(--lum-gold-soft);
  background: var(--gold-alpha-10);
  border-color: var(--gold-alpha-24);
}

/* ---------- Tables & Special Blocks ---------- */
.table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: var(--hairline);
  box-shadow: var(--shadow-tight);
}

.course-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  color: var(--lum-dark);
  background: var(--paper);
}

.course-table th,
.course-table td {
  padding: 0.95rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: var(--hairline-light);
}

.course-table th {
  color: var(--lum-gold-soft);
  background: var(--lum-charcoal);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.course-table td {
  color: var(--lum-graphite);
}

.course-table tr:nth-child(even) td {
  background: var(--paper-3);
}

.course-table .highlight-row td {
  background: var(--lum-gold-soft);
}

.media-principles,
.factor-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.media-principles article,
.factor-row article {
  padding: 1rem;
  color: var(--lum-dark);
  background: var(--paper);
  border: var(--hairline-light);
  border-radius: var(--radius-md);
}

.media-principles strong,
.factor-row span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--lum-gold);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.media-principles span,
.factor-row p {
  color: var(--lum-graphite);
}

.accordion-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.accordion-list details {
  color: var(--lum-dark);
  background: var(--paper);
  border: var(--hairline-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-list summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  padding: 0.9rem 1rem;
  color: var(--lum-dark);
  font-weight: 750;
  cursor: pointer;
}

.accordion-list p {
  padding: 0 1rem 1rem;
  color: var(--lum-graphite);
}

.seven-day-plan {
  display: grid;
  grid-template-columns: repeat(7, minmax(170px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
}

.seven-day-plan article {
  min-height: 160px;
  padding: 1rem;
  color: var(--lum-dark);
  background: var(--paper);
  border: var(--hairline-light);
  border-radius: var(--radius-md);
}

.seven-day-plan span {
  display: inline-flex;
  margin-bottom: 0.7rem;
  color: var(--lum-gold);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.seven-day-plan p {
  color: var(--lum-graphite);
}

.soft-cta {
  margin-top: 1rem;
  padding: 1.2rem;
  color: var(--lum-dark);
  background: linear-gradient(135deg, var(--lum-gold-soft), var(--lum-gold));
}

.soft-cta p {
  color: var(--lum-graphite);
}

.soft-cta a {
  display: inline-flex;
  margin-top: 0.35rem;
  color: var(--lum-dark);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

/* ---------- Quiz ---------- */
.quiz-shell {
  margin-top: 1.2rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  background:
    radial-gradient(circle at 90% 0%, var(--gold-alpha-16), transparent 16rem),
    var(--lum-charcoal);
  border: var(--hairline);
  box-shadow: var(--shadow-tight);
}

.quiz-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--light-alpha-08);
}

.quiz-head h3 {
  color: var(--lum-ivory);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quiz-head p {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.quiz-status {
  align-self: start;
  padding: 0.4rem 0.65rem;
  color: var(--lum-gold-soft);
  background: var(--gold-alpha-10);
  border: 1px solid var(--gold-alpha-16);
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: 750;
  white-space: nowrap;
}

.quiz-question {
  padding: 1rem 0;
  border-bottom: 1px solid var(--light-alpha-08);
}

.quiz-question:last-of-type {
  border-bottom: 0;
}

.question-title {
  color: var(--lum-ivory);
  font-weight: 650;
  line-height: 1.55;
}

.question-title small {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--lum-gold);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quiz-options {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.quiz-option {
  min-height: 50px;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
  padding: 0.72rem 0.8rem;
  color: var(--ink-soft);
  background: var(--light-alpha-04);
  border: 1px solid var(--light-alpha-08);
  border-radius: var(--radius-sm);
  text-align: left;
  transition:
    background 160ms var(--ease),
    border-color 160ms var(--ease),
    color 160ms var(--ease),
    transform 160ms var(--ease);
}

.quiz-option:hover:not(:disabled),
.quiz-option.is-selected {
  color: var(--lum-ivory);
  background: var(--gold-alpha-10);
  border-color: var(--gold-alpha-35);
}

.quiz-option:disabled {
  cursor: default;
}

.quiz-option.is-correct {
  color: var(--lum-ivory);
  background: var(--success-alpha-16);
  border-color: var(--success-alpha-28);
}

.quiz-option.is-wrong {
  color: var(--lum-ivory);
  background: var(--error-alpha-16);
  border-color: var(--error-alpha-28);
}

.option-letter {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 800;
}

.question-feedback {
  display: none;
  margin-top: 0.8rem;
  padding: 0.85rem 0.95rem;
  color: var(--ink-soft);
  background: var(--light-alpha-04);
  border-left: 3px solid var(--lum-gold);
  border-radius: var(--radius-sm);
}

.question-feedback.is-visible {
  display: block;
}

.question-feedback.is-success {
  border-left-color: var(--lum-success);
  background: var(--success-alpha-16);
}

.question-feedback.is-error {
  border-left-color: var(--lum-error);
  background: var(--error-alpha-16);
}

.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.quiz-result {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  color: var(--lum-ivory);
  background: var(--gold-alpha-10);
  border: 1px solid var(--gold-alpha-24);
  border-radius: var(--radius-md);
}

.quiz-result.is-visible {
  display: block;
}

.quiz-result strong {
  color: var(--lum-gold-soft);
}

/* ---------- Summary ---------- */
.summary-section {
  max-width: calc(var(--content-max) + 6rem);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 5rem) clamp(1.1rem, 4vw, 3rem);
}

.print-heading {
  padding: clamp(1.2rem, 3vw, 2rem);
  color: var(--lum-dark);
  background: var(--paper);
  border: var(--hairline-light);
  border-radius: var(--radius-md);
}

.print-heading p {
  color: var(--lum-graphite);
}

.print-heading h2 {
  margin: 0.25rem 0 0.7rem;
  color: var(--lum-dark);
}

.certificate-card {
  margin-top: 1rem;
  padding: 1.35rem;
  color: var(--lum-dark);
  background: linear-gradient(135deg, var(--lum-gold-soft), var(--lum-gold));
  border-radius: var(--radius-md);
}

.certificate-card p {
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.certificate-card h3 {
  margin-top: 0.35rem;
  color: var(--lum-dark);
}

.certificate-card span {
  display: inline-flex;
  margin-top: 0.5rem;
  color: var(--lum-graphite);
}

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

.summary-grid article,
.summary-block {
  padding: 1rem;
  color: var(--lum-dark);
  background: var(--paper);
  border: var(--hairline-light);
  border-radius: var(--radius-md);
}

.summary-grid span {
  display: block;
  color: var(--lum-graphite);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-grid strong {
  display: block;
  margin-top: 0.3rem;
  color: var(--lum-gold);
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1;
}

.summary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1rem;
}

.summary-block {
  margin-top: 1rem;
}

.summary-block h3 {
  margin-bottom: 0.8rem;
  color: var(--lum-dark);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.answers-summary {
  display: grid;
  gap: 0.75rem;
}

.answer-row {
  padding: 0.85rem;
  background: var(--paper-3);
  border: var(--hairline-light);
  border-radius: var(--radius-sm);
}

.answer-row strong {
  color: var(--lum-dark);
}

.answer-row span {
  display: inline-flex;
  margin-top: 0.35rem;
  color: var(--lum-graphite);
}

.answer-row.is-correct {
  border-left: 3px solid var(--lum-success);
}

.answer-row.is-wrong {
  border-left: 3px solid var(--lum-error);
}

.checklist-summary ul,
.sources-block ul,
#action-plan-summary ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--lum-graphite);
}

.source-note {
  margin-top: 1rem;
  color: var(--lum-graphite);
  font-size: 0.92rem;
}

/* ---------- Controls & Dialog ---------- */
.course-controls {
  position: static;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  margin: 1rem clamp(1rem, 3vw, 2rem) 1rem auto;
  padding: 0.65rem;
  background: var(--dark-alpha-82);
  border: var(--hairline);
  border-radius: var(--radius-md);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.sidebar-backdrop {
  position: fixed;
  inset: var(--header-h) 0 0;
  z-index: 70;
  background: rgba(0, 0, 0, 0.52);
}

.glossary-dialog {
  width: min(980px, calc(100vw - 2rem));
  max-height: min(760px, calc(100vh - 2rem));
  padding: 0;
  color: var(--lum-ivory);
  background: var(--lum-charcoal);
  border: var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.glossary-dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
}

.dialog-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  background: var(--dark-alpha-92);
  border-bottom: var(--hairline);
}

.dialog-head h2 {
  color: var(--lum-ivory);
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 1rem;
}

.glossary-grid article {
  padding: 1rem;
  background: var(--light-alpha-04);
  border: 1px solid var(--light-alpha-08);
  border-radius: var(--radius-md);
}

.glossary-grid h3 {
  margin-bottom: 0.35rem;
  color: var(--lum-gold-soft);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 800;
}

.glossary-grid p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1120px) {
  .course-frame {
    grid-template-columns: 1fr;
  }

  .course-sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    z-index: 90;
    width: min(88vw, var(--sidebar-w));
    transform: translateX(-105%);
    transition: transform 240ms var(--ease);
    box-shadow: var(--shadow-soft);
  }

  .course-sidebar.is-open {
    transform: translateX(0);
  }

  .menu-button {
    display: inline-flex;
  }

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

  .top-progress {
    display: none;
  }

  .hero-section {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 420px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 66px;
  }

  .topbar {
    padding: 0 0.75rem;
  }

  .brand-cluster {
    gap: 0.5rem;
  }

  .course-site-nav > .course-site-link:not(.course-tools-toggle) {
    display: none;
  }

  .course-site-link {
    min-height: 34px;
    padding: 0 0.62rem;
    font-size: 0.66rem;
  }

  .course-tools-panel {
    left: auto;
    right: 0;
  }

  .brand-mark small {
    display: none;
  }

  .brand-mark strong {
    max-width: 120px;
  }

  .topbar-actions .ghost-button {
    display: none;
  }

  .hero-section {
    min-height: auto;
    padding-top: 2.3rem;
  }

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

  .hero-stats span {
    min-height: 78px;
  }

  .hero-visual {
    min-height: 330px;
  }

  .signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    position: relative;
    inset: auto;
    width: 100%;
    margin-top: -2rem;
  }

  .module-grid,
  .summary-grid,
  .media-principles,
  .factor-row,
  .glossary-grid {
    grid-template-columns: 1fr;
  }

  .learning-card {
    min-height: auto;
  }

  .quiz-head {
    display: grid;
  }

  .quiz-status {
    justify-self: start;
  }

  .course-controls {
    width: calc(100% - 1.5rem);
    margin: 1rem auto 0.75rem;
    justify-content: space-between;
  }

  .course-controls .ghost-button {
    display: none;
  }

  .course-controls button {
    flex: 1;
    padding-inline: 0.6rem;
    font-size: 0.76rem;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: clamp(2.25rem, 15vw, 3.3rem);
  }

  .hero-actions,
  .summary-actions,
  .quiz-actions {
    display: grid;
  }

  .hero-actions button,
  .summary-actions button,
  .quiz-actions button {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .decision-card strong {
    font-size: 1.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Print ---------- */
@media print {
  @page {
    margin: 14mm;
  }

  html,
  body {
    overflow: visible;
    background: var(--print-paper) !important;
    color: var(--print-ink) !important;
  }

  body::before,
  .no-print,
  .topbar,
  .course-sidebar,
  .hero-section,
  .intro-panel,
  .module-section,
  .course-controls,
  .sidebar-backdrop,
  .glossary-dialog {
    display: none !important;
  }

  .course-frame {
    display: block;
    min-height: auto;
    padding: 0;
  }

  .course-main {
    padding: 0;
  }

  .summary-section {
    display: block !important;
    max-width: none;
    margin: 0;
    padding: 0;
    color: var(--print-ink);
  }

  .print-heading,
  .summary-grid article,
  .summary-block,
  .certificate-card,
  .answer-row {
    break-inside: avoid;
    color: var(--print-ink) !important;
    background: var(--print-paper) !important;
    border: 1px solid var(--print-muted) !important;
    box-shadow: none !important;
  }

  .print-heading h2,
  .summary-block h3,
  .certificate-card h3,
  .summary-grid strong,
  .answer-row strong {
    color: var(--print-ink) !important;
  }

  .print-heading p,
  .summary-grid span,
  .answer-row span,
  .source-note,
  .checklist-summary ul,
  .sources-block ul,
  #action-plan-summary ul {
    color: var(--print-muted) !important;
  }

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

  .answers-summary {
    gap: 0.35rem;
  }
}