:root {
  --brand-primary: #203929;
  --brand-accent: #e15b2a;
  --background: #f3e7d5;
  --background-soft: #f9f3eb;
  --surface: #ffffff;
  --surface-muted: #f9f9f3;
  --text-primary: #21332a;
  --text-muted: #5f627c;
  --shadow-soft: 0 24px 60px rgba(38, 64, 50, 0.16);
  --shadow-hover: 0 30px 70px rgba(38, 64, 50, 0.22);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --border-subtle: rgba(33, 51, 42, 0.14);
}

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

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

/* Global footer */
.site-footer{background:#111;color:#fff;margin-top:32px}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{opacity:.85}
.site-footer__inner{max-width:1120px;margin:0 auto;padding:24px 16px;display:grid;grid-template-columns:1fr;gap:16px}
.site-footer__nav{display:flex;flex-wrap:wrap;gap:12px}
.site-footer__nav a{background:rgba(255,255,255,.08);padding:6px 10px;border-radius:6px}
.site-footer__contact{display:flex;flex-wrap:wrap;gap:8px}
.site-footer__contact .channel-btn{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);padding:6px 10px;border-radius:6px}
.site-footer__brand{opacity:.8;font-size:14px}
.site-footer__top{display:flex;justify-content:flex-end}
.site-footer__top .btn{background:rgba(255,255,255,.12);color:#fff}
@media (min-width: 768px){
  .site-footer__inner{grid-template-columns:2fr 1fr}
  .site-footer__brand{grid-column:1/-1}
}

body.brickit-page {
  background: var(--background);
}

body.brickit-demo {
  background: #f3e7d5;
  color: #333333;
}

/* ===== Forms (Brickit) ===== */
.form-grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.25rem);
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid rgba(33, 51, 42, 0.12);
  box-shadow: 0 18px 40px rgba(32, 57, 41, 0.12);
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.form-group {
  display: grid;
  gap: 0.5rem;
}

.form-group--inline {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.75rem, 2vw, 1rem);
}

@media (min-width: 720px) {
  .form-group--inline {
    grid-template-columns: 1fr 1fr;
  }
}

.form-label {
  font-weight: 600;
  color: var(--brand-primary);
}

.form-hint {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.input-field,
.select-field,
.textarea-field {
  width: 100%;
  border: 1.5px solid rgba(33, 51, 42, 0.18);
  background: #ffffff;
  color: var(--text-primary);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.textarea-field {
  resize: vertical;
  min-height: 110px;
  line-height: 1.5;
}

.input-field::placeholder,
.textarea-field::placeholder {
  color: rgba(33, 51, 42, 0.45);
}

.input-field:focus,
.select-field:focus,
.textarea-field:focus {
  outline: none;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 4px rgba(225, 91, 42, 0.15);
}

.input-field:disabled,
.select-field:disabled,
.textarea-field:disabled {
  background: rgba(33, 51, 42, 0.04);
  color: rgba(33, 51, 42, 0.55);
}

.checkbox-group,
.radio-group {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.option-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  border: 1px solid rgba(33, 51, 42, 0.12);
  background: #fff;
}

.option-item input[type="checkbox"],
.option-item input[type="radio"] {
  width: 18px;
  height: 18px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.25rem;
}

.form-error {
  margin: -0.25rem 0 0.5rem;
  color: #b42318;
  background: rgba(180, 35, 24, 0.08);
  border: 1px solid rgba(180, 35, 24, 0.25);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

/* Deprecated global .checkbox block kept minimal to avoid conflicts elsewhere */
.checkbox { line-height: 1.5; }
.checkbox a { color: var(--brand-primary); font-weight: 600; }

/* Collapsible details styling */
.form-details {
  border: 1px solid rgba(33, 51, 42, 0.12);
  border-radius: 12px;
  background: #fff;
}
.form-details > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.85rem 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--brand-primary);
}
.form-details > summary::-webkit-details-marker { display: none; }
.form-details > summary::after {
  content: "▾";
  margin-left: auto;
  transition: transform 0.2s ease;
}
.form-details[open] > summary::after { transform: rotate(180deg); }
.form-details[open] { box-shadow: 0 8px 20px rgba(32,57,41,0.08); }
.form-details[open] > *:not(summary) { padding: 0 0.95rem 0.85rem; }

/* --- Form typography normalization and robust layouts (desktop/mobile) --- */
.brickit-demo .form-grid {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.brickit-demo .form-grid .form-label,
.brickit-demo .form-grid a,
.brickit-demo .form-grid summary,
.brickit-demo .form-grid .consent-field {
  line-height: 1.5;
  letter-spacing: normal;
  writing-mode: horizontal-tb;
}

/* Avoid accidental scaling on containers */
.brickit-demo .form-grid,
.brickit-demo .form-grid * {
  transform: none;
}

/* Consent checkbox: flexible, readable, accessible */
.brickit-demo .consent-field {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  user-select: text;
  flex-wrap: nowrap;
  flex-direction: row;
  writing-mode: horizontal-tb;
  direction: ltr;
}
.brickit-demo .consent-field input[type="checkbox"] {
  margin-top: 2px;
  flex: 0 0 auto;
  inline-size: 20px;
  block-size: 20px;
}
.brickit-demo .consent-field .checkbox-text {
  display: block;           /* allow natural multi-line text inside flex */
  flex: 1 1 auto;           /* take remaining row space */
  min-width: 0;             /* prevent overflow-induced shrink to letters */
  white-space: normal;      /* normal wrapping */
  word-break: normal;       /* avoid per-letter breaks */
  overflow-wrap: break-word;/* break long words only when needed */
  line-height: 1.5;
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  letter-spacing: normal;
  unicode-bidi: normal;
}
.brickit-demo .consent-field a {
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  color: var(--brand-primary);
  font-weight: 600;
}

/* Details/Summary: stable typography and clear affordance */
.brickit-demo details.form-details { margin: 12px 0 0; }
.brickit-demo details.form-details > summary {
  list-style: none;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #e3e3e3;
  background: #fff;
  cursor: pointer;
  line-height: 1.5;
  font-weight: 500;
}
.brickit-demo details.form-details > summary::-webkit-details-marker { display: none; }
.brickit-demo details.form-details > summary::after {
  content: "▾";
  float: right;
  transform: translateY(-1px);
}
.brickit-demo details[open].form-details > summary::after {
  content: "▴";
}
.brickit-demo details.form-details > *:not(summary) { margin-top: 12px; }

.btn[aria-busy="true"] {
  position: relative;
  pointer-events: none;
}

.btn[aria-busy="true"]::before {
  content: "";
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255,255,255,0.7);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.btn[aria-busy="true"]::after {
  content: "";
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

a {
  color: var(--brand-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  text-decoration: underline;
}

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

.js-enabled body:not(.show-focus-outlines) :focus {
  outline: none;
  box-shadow: none;
}

body.show-focus-outlines a:focus,
body.show-focus-outlines button:focus,
body.show-focus-outlines [tabindex]:focus {
  outline: 3px solid rgba(225, 91, 42, 0.45);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  transform: translateY(-150%);
  background: #ffffff;
  color: var(--brand-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  box-shadow: 0 12px 25px rgba(32, 57, 41, 0.16);
  transition: transform 0.2s ease, opacity 0.2s ease;
  font-weight: 600;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
}

.skip-link:focus {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

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

.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
}

main {
  display: block;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.canvas {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 40px 24px 32px;
}

.page-section {
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  max-width: 1100px;
}

.page-section--soft {
  background: var(--background-soft);
}

.page-section--light {
  background: #ffffff;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.section-heading__eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(33, 51, 42, 0.55);
  font-weight: 600;
}

.section-heading__title {
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 2.4rem);
  color: var(--brand-primary);
}

.section-heading__body {
  margin: 0;
  max-width: 720px;
  color: var(--text-muted);
  line-height: 1.7;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 3.5rem);
  background: var(--background-soft);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  margin-bottom: clamp(3rem, 6vw, 4rem);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(0);
  opacity: 0.45;
  transform: translate3d(0, 0, 0);
}

.hero::before {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle at center, rgba(225, 91, 42, 0.35), transparent 65%);
  top: -120px;
  right: -120px;
}

.hero::after {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at center, rgba(42, 74, 55, 0.55), transparent 70%);
  bottom: -160px;
  left: -100px;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(225, 91, 42, 0.12);
  color: var(--brand-accent);
}

.hero__title {
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--brand-primary);
}

.hero__copy {
  margin: 0;
  max-width: 520px;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.edition {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.55rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  will-change: transform;
}

.btn--primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand-accent), #f77449);
  box-shadow: 0 18px 35px rgba(225, 91, 42, 0.28);
}

.btn--primary::after {
  content: "→";
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.btn--ghost {
  color: var(--brand-primary);
  background: rgba(42, 74, 55, 0.12);
  box-shadow: inset 0 0 0 1px rgba(42, 74, 55, 0.22);
}

.btn--disabled {
  color: rgba(32, 57, 41, 0.45);
  background: rgba(33, 51, 42, 0.08);
  box-shadow: none;
  cursor: not-allowed;
}

.btn--disabled:hover {
  transform: none;
}

.btn:hover {
  transform: translateY(-4px);
}

.btn--primary:hover::after {
  transform: translateX(4px);
}

.hero__visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual-wrap {
  width: min(560px, 100%);
  aspect-ratio: 16/10;
  position: relative;
}

.blob {
  position: absolute;
  border-radius: 36% 64% 59% 41% / 40% 46% 54% 60%;
  mix-blend-mode: multiply;
  filter: saturate(110%);
}

.hero__image-frame {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 22px 40px rgba(32, 57, 41, 0.25);
  border: 1px solid rgba(33, 51, 42, 0.12);
}

.hero__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blob--one {
  inset: 4% 15% 20% 0;
  background: linear-gradient(150deg, rgba(33, 51, 42, 0.9), rgba(42, 74, 55, 0.65));
  box-shadow: 0 22px 35px rgba(33, 51, 42, 0.35);
}

.blob--two {
  inset: 18% 0 4% 22%;
  background: linear-gradient(130deg, rgba(225, 91, 42, 0.9), rgba(247, 148, 98, 0.75));
  box-shadow: 0 18px 30px rgba(225, 91, 42, 0.28);
}

.stat-card {
  position: absolute;
  right: -16%;
  bottom: 12%;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 1.1rem 1.35rem;
  width: min(240px, 80%);
  box-shadow: 0 18px 45px rgba(32, 57, 41, 0.25);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.stat-card span {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(42, 74, 55, 0.6);
  font-weight: 600;
}

.stat-card strong {
  font-size: 1.8rem;
  color: var(--brand-primary);
  line-height: 1.1;
}

.stat-card small {
  font-size: 0.9rem;
  color: rgba(33, 51, 42, 0.65);
}

.library {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.library__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
}

.library__title {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  color: var(--brand-primary);
  letter-spacing: -0.02em;
}

.library__subtitle {
  margin: 0;
  max-width: 480px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 2.1rem;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(33, 51, 42, 0.1);
  box-shadow: 0 18px 45px rgba(32, 57, 41, 0.13);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: auto -25% -45% -25%;
  height: 120%;
  background: linear-gradient(140deg, rgba(225, 91, 42, 0.18), transparent 68%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(33, 51, 42, 0.22);
}

.card:hover::after {
  opacity: 1;
}

.card__label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(225, 91, 42, 0.85);
}

.card__title {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.015em;
  color: var(--brand-primary);
}

.card__body {
  margin: 0;
  line-height: 1.65;
  color: var(--text-muted);
  flex: 1;
}

.card__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--brand-primary);
}

.card__meta::after {
  content: "↗";
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.card:hover .card__meta::after {
  transform: translateX(4px) translateY(-2px);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.feature-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card {
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid rgba(33, 51, 42, 0.1);
  padding: 1.75rem;
  box-shadow: 0 18px 40px rgba(32, 57, 41, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-card__icon {
  font-size: 1.8rem;
}

.feature-card__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.feature-card__body {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.resource-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.resource-card {
  display: block;
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid rgba(124, 58, 237, 0.15);
  padding: 2.1rem;
  box-shadow: 0 18px 40px rgba(32, 57, 41, 0.16);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.resource-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.35);
  box-shadow: 0 22px 50px rgba(32, 57, 41, 0.2);
}

.resource-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(225, 91, 42, 0.1);
  color: var(--brand-primary);
}

.resource-card__title {
  margin: 0.75rem 0 0.5rem;
  font-size: 1.35rem;
  color: var(--brand-primary);
}

.resource-card__body {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 1.6rem);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.step-card {
  position: relative;
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid rgba(33, 51, 42, 0.1);
  padding: 1.75rem 1.75rem 1.75rem 3.25rem;
  box-shadow: 0 16px 40px rgba(32, 57, 41, 0.12);
}

.step-card__badge {
  position: absolute;
  left: 1.4rem;
  top: 1.6rem;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: var(--brand-accent);
  color: #ffffff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.step-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--brand-primary);
}

.step-card__body {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.info-callout {
  background: rgba(33, 51, 42, 0.06);
  border-radius: 18px;
  border: 1px solid rgba(33, 51, 42, 0.12);
  padding: 1.75rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-muted);
  line-height: 1.65;
}

.info-callout strong {
  color: var(--brand-primary);
}

/* --- Math Demo: Lesson Flow card refinements (scoped) --- */
.brickit-demo .lesson-flow .step-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

@media (max-width: 1024px) {
  .brickit-demo .lesson-flow .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .brickit-demo .lesson-flow .step-grid {
    grid-template-columns: 1fr;
  }
}

.brickit-demo .lesson-flow .step-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.25rem 1.25rem 2.5rem;
  border: none;
  box-shadow: 0 10px 26px rgba(32, 57, 41, 0.10);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.brickit-demo .lesson-flow .step-card:hover,
.brickit-demo .lesson-flow .step-card:focus-within {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 16px 40px rgba(32, 57, 41, 0.16);
}

@media (prefers-reduced-motion: reduce) {
  .brickit-demo .lesson-flow .step-card,
  .brickit-demo .lesson-flow .step-card:hover,
  .brickit-demo .lesson-flow .step-card:focus-within {
    transition: none;
    transform: none;
  }
}

.brickit-demo .lesson-flow .step-card__badge {
  left: 1rem;
  top: 1.2rem;
  width: 1.6rem;
  height: 1.6rem;
  font-size: 0.9rem;
}

.brickit-demo .lesson-flow .step-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--brand-primary);
}

.brickit-demo .lesson-flow .step-goal {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.55rem;
  font-size: 0.92rem;
  border-radius: 999px;
  background: rgba(225, 91, 42, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(33, 51, 42, 0.10);
  margin: 0 0 0.4rem;
}

.brickit-demo .lesson-flow .step-card p {
  margin: 0.35rem 0 0.5rem;
}

.brickit-demo .lesson-flow .step-card p > strong {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(33, 51, 42, 0.06);
  border: 1px solid rgba(33, 51, 42, 0.08);
  border-radius: 8px;
  padding: 0.2rem 0.5rem;
}

.brickit-demo .lesson-flow .step-card ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
}

.brickit-demo .lesson-flow .step-card li {
  margin-bottom: 0.4rem;
  line-height: 1.55;
}

.brickit-demo .lesson-flow .step-card li:last-child {
  margin-bottom: 0;
}

.brickit-demo .lesson-flow .step-card .tip-box {
  margin-top: auto;
}

.section-actions {
  margin-top: 1.5rem;
}

.section-actions--center {
  justify-content: center;
}

.inline-link {
  font-weight: 600;
  color: var(--brand-primary);
}

.inline-link::after {
  content: "↗";
  margin-left: 0.25rem;
  font-size: 0.9rem;
}

/* Program tags under homepage hero */
.program-tags {
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
}

.program-tags__label {
  font-weight: 600;
  color: var(--brand-primary);
}

.program-tags a {
  color: var(--brand-primary);
  font-weight: 600;
}

.program-tags .dot {
  color: rgba(33, 51, 42, 0.45);
}

.plan-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.plan-card {
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid rgba(33, 51, 42, 0.12);
  padding: 2rem;
  box-shadow: 0 16px 40px rgba(32, 57, 41, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.plan-card__title {
  margin: 0;
  font-size: 1.3rem;
  color: var(--brand-primary);
}

.plan-card__body {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.plan-card__cta {
  margin-top: auto;
}

/* --- Contact channels (WhatsApp, Telegram, Email) --- */
.contact-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.contact-channels__label {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.channel-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #1e2a24;
  background: #f4f4ef;
  border: 1px solid rgba(33, 51, 42, 0.12);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.channel-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(32, 57, 41, 0.12);
}

.channel-btn__icon {
  width: 18px;
  height: 18px;
  display: inline-block;
}

.channel--wa {
  background: #e9f9ef;
  border-color: rgba(37, 211, 102, 0.35);
  color: #0f6e3d;
}

.channel--tg {
  background: #e9f5fc;
  border-color: rgba(36, 161, 222, 0.35);
  color: #155a7c;
}

.channel--mail {
  background: #f2f3f4;
  border-color: rgba(33, 51, 42, 0.18);
  color: #24362d;
}

@media (max-width: 560px) {
  .contact-channels {
    gap: 0.5rem;
  }
  .channel-btn {
    font-size: 0.92rem;
    padding: 0.5rem 0.8rem;
  }
}

/* Homepage hero-specific tuning for contact icons */
.brickit-page .hero .contact-channels {
  margin-top: 8px;
  gap: 0.45rem;
  align-items: center;
}

.brickit-page .hero .contact-channels__label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.brickit-page .hero .channel-btn {
  background: transparent;
  border: 1px solid rgba(33, 51, 42, 0.16);
  color: var(--brand-primary);
  padding: 0.4rem 0.75rem;
  box-shadow: none;
}

.brickit-page .hero .channel-btn:hover {
  background: rgba(33, 51, 42, 0.06);
  transform: translateY(-1px);
}

.brickit-page .hero .channel--wa {
  color: #0f6e3d;
  border-color: rgba(37, 211, 102, 0.35);
}

.brickit-page .hero .channel--tg {
  color: #155a7c;
  border-color: rgba(36, 161, 222, 0.35);
}

.brickit-page .hero .channel--mail {
  color: #24362d;
}

.safety-list {
  display: grid;
  gap: 1.5rem;
}

.safety-item {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid rgba(33, 51, 42, 0.12);
  padding: 1.75rem;
  box-shadow: 0 14px 32px rgba(32, 57, 41, 0.12);
}

.safety-item h3 {
  margin: 0 0 0.75rem;
  color: var(--brand-primary);
}

.cta-banner {
  background: linear-gradient(125deg, rgba(33, 51, 42, 0.92), rgba(42, 74, 55, 0.85));
  color: #ffffff;
  border-radius: 24px;
  padding: clamp(2rem, 5vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 22px 55px rgba(33, 51, 42, 0.25);
}

.cta-banner h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.cta-banner p {
  margin: 0;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.82);
}

.cta-banner .cta-buttons .btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

.cta-banner .cta-buttons .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.cta-banner--spaced {
  margin-top: clamp(2rem, 5vw, 3rem);
}

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

.info-list li::before {
  content: "✔";
  color: var(--brand-accent);
  margin-right: 0.5rem;
}

.thank-you {
  text-align: center;
  padding: clamp(3rem, 7vw, 4.5rem) clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid rgba(33, 51, 42, 0.12);
  box-shadow: 0 18px 40px rgba(32, 57, 41, 0.12);
}

.thank-you h1 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  color: var(--brand-primary);
}

.thank-you p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.7;
}
footer {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  text-align: center;
  font-size: 0.85rem;
  color: rgba(33, 51, 42, 0.6);
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    align-items: center;
  }

  .hero__copy {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    justify-content: center;
  }

  .stat-card {
    position: static;
    width: 220px;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .canvas {
    padding: 28px 18px 24px;
  }

  .hero {
    border-radius: 28px;
  }

  .hero__title {
    font-size: 2.2rem;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .library__header {
    align-items: flex-start;
  }
}

/* Brickit lesson guides */
.brickit-demo .container {
  max-width: 1200px;
  margin: 0 auto;
  background: #ffffff;
}

.brickit-demo .header {
  background: linear-gradient(135deg, #345b45 0%, #2a4a37 100%);
  color: #ffffff;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}

.brickit-demo .header::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(243, 231, 213, 0.1);
  border-radius: 50%;
}

.brickit-demo .header-content {
  position: relative;
  z-index: 2;
}

.brickit-demo .emoji-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: inline-block;
}

.brickit-demo h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
  color: #ffffff;
}

/* Contrast fix: light hero sections on brickit-demo pages use dark titles */
.brickit-demo .hero .hero__title {
  color: var(--brand-primary);
}

.brickit-demo .subtitle {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: 30px;
}

.brickit-demo .meta-info {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 25px;
}

.brickit-demo .meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.15);
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 14px;
}

.brickit-demo .qr-section {
  background: rgba(255, 255, 255, 0.15);
  padding: 20px;
  border-radius: 12px;
  margin-top: 25px;
  display: inline-block;
}

.brickit-demo .qr-section a {
  color: #f3e7d5;
  font-weight: 600;
  text-decoration: none;
  font-size: 16px;
}

.brickit-demo .overview {
  background: #f3e7d5;
  padding: 50px 40px;
}

.brickit-demo .overview-content {
  background: #ffffff;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-left: 5px solid #e15b2a;
}

.brickit-demo .section-title {
  font-size: 28px;
  color: #345b45;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brickit-demo .goals {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-demo .goals-list {
  margin-top: 25px;
  background: #f3e7d5;
  padding: 35px;
  border-radius: 12px;
}

.brickit-demo .goals-list li {
  margin-bottom: 15px;
  padding-left: 10px;
  font-size: 17px;
  position: relative;
}

.brickit-demo .goals-list li::before {
  content: "•";
  color: #e15b2a;
  font-size: 24px;
  font-weight: bold;
  position: absolute;
  left: -20px;
}

.brickit-demo .goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.brickit-demo .goal-card {
  background: #f3e7d5;
  padding: 25px;
  border-radius: 12px;
  border-left: 4px solid #e15b2a;
  transition: transform 0.3s ease;
}

.brickit-demo .goal-card:hover {
  transform: translateY(-5px);
}

.brickit-demo .goal-card h3 {
  color: #345b45;
  font-size: 18px;
  margin-bottom: 10px;
}

.brickit-demo .preparation {
  padding: 50px 40px;
  background: #f9f9f9;
}

.brickit-demo .prep-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.brickit-demo .prep-card {
  background: #ffffff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-top: 4px solid #e15b2a;
}

.brickit-demo .prep-card h3 {
  color: #345b45;
  margin-bottom: 12px;
  font-size: 18px;
}

.brickit-demo .tip-box {
  background: #ffffff;
  border-left: 4px solid #e15b2a;
  padding: 20px;
  margin: 20px 0;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  color: #21332a;
}

.brickit-demo .tip-box strong {
  color: #e15b2a;
}

.brickit-demo .tip-box--dark {
  background: linear-gradient(135deg, #345b45 0%, #2a4a37 100%);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border-left: none;
}

.brickit-demo .tip-box--dark strong {
  color: #f3e7d5;
}

.brickit-demo .skills {
  padding: 50px 40px;
  background: #f9f9f9;
}

.brickit-demo .skills-table {
  width: 100%;
  margin-top: 30px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.brickit-demo .skills-table th {
  background: #345b45;
  color: #ffffff;
  padding: 20px;
  text-align: left;
  font-weight: 600;
}

.brickit-demo .skills-table td {
  background: #ffffff;
  padding: 20px;
  border-bottom: 1px solid #e0e0e0;
}

.brickit-demo .skills-table tr:last-child td {
  border-bottom: none;
}

.brickit-demo .lesson-flow {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-demo .timeline,
.brickit-demo .step {
  margin-top: 30px;
}

.brickit-demo .timeline-item,
.brickit-demo .step {
  display: flex;
  gap: 25px;
  margin-bottom: 30px;
  position: relative;
  padding: 30px;
  background: #f3e7d5;
  border-radius: 12px;
}

.brickit-demo .timeline-item::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 60px;
  width: 2px;
  height: calc(100% + 10px);
  background: #e0e0e0;
}

.brickit-demo .timeline-item:last-child::before {
  display: none;
}

.brickit-demo .timeline-number,
.brickit-demo .step-number {
  background: #e15b2a;
  color: #ffffff;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(225, 91, 42, 0.3);
  z-index: 1;
  position: relative;
}

.brickit-demo .step-number {
  top: -18px;
  left: 30px;
  position: absolute;
}

.brickit-demo .timeline-content {
  flex: 1;
  background: #f3e7d5;
  padding: 25px;
  border-radius: 12px;
}

.brickit-demo .timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

.brickit-demo .timeline-title,
.brickit-demo .step-title {
  color: #345b45;
  font-size: 20px;
  font-weight: 600;
}

.brickit-demo .timeline-duration {
  background: #e15b2a;
  color: #ffffff;
  padding: 6px 15px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.brickit-demo .step {
  padding: 30px 30px 30px 70px;
  background: #ffffff;
  border-left: 4px solid #e15b2a;
}

.brickit-demo .step-goal {
  background: #f3e7d5;
  padding: 12px 18px;
  border-radius: 8px;
  display: inline-block;
  margin-bottom: 15px;
  font-weight: 600;
  color: #e15b2a;
  font-size: 14px;
}

.brickit-demo .step ul {
  margin-left: 20px;
  margin-top: 15px;
}

.brickit-demo .step li {
  margin-bottom: 10px;
}

.brickit-demo .rules {
  padding: 50px 40px;
  background: #f9f9f9;
}

.brickit-demo .rules-grid,
.brickit-demo .diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.brickit-demo .rule-card,
.brickit-demo .diff-card {
  background: #ffffff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-left: 5px solid #345b45;
  display: flex;
  gap: 15px;
}

.brickit-demo .rule-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.brickit-demo .rule-text {
  font-size: 16px;
  color: #333333;
}

.brickit-demo .engineering {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-demo .cycle-box {
  background: linear-gradient(135deg, #345b45 0%, #2a4a37 100%);
  color: #ffffff;
  padding: 35px;
  border-radius: 15px;
  margin-top: 25px;
  text-align: center;
}

.brickit-demo .cycle-steps {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.brickit-demo .cycle-arrow {
  color: #e15b2a;
  margin: 0 8px;
}

.brickit-demo .cycle-text {
  font-size: 18px;
  line-height: 1.8;
}

.brickit-demo .highlight-note {
  margin-top: 20px;
  font-weight: 600;
  color: #345b45;
}

.brickit-demo .section-subheading {
  color: #345b45;
  margin: 30px 0 15px;
  font-size: 20px;
}

.brickit-demo .unstyled-list {
  list-style: none;
  margin-left: 20px;
  padding-left: 0;
}

.brickit-demo .footer-heading {
  margin-bottom: 15px;
  font-size: 22px;
}

.brickit-demo .footer-about {
  max-width: 800px;
  margin: 0 auto;
}

.brickit-demo .footer-note {
  margin-top: 30px;
  opacity: 0.8;
  font-size: 14px;
}

.brickit-demo .rubric {
  padding: 50px 40px;
  background: #f3e7d5;
}

.brickit-demo .rubric-table,
.brickit-demo .curriculum-table {
  width: 100%;
  margin-top: 30px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  background: #ffffff;
}

.brickit-demo .rubric-table th,
.brickit-demo .curriculum-table th {
  background: #345b45;
  color: #ffffff;
  padding: 20px;
  text-align: left;
  font-weight: 600;
}

.brickit-demo .rubric-table td,
.brickit-demo .curriculum-table td {
  padding: 20px;
  border-bottom: 1px solid #e0e0e0;
}

.brickit-demo .rubric-table tr:last-child td,
.brickit-demo .curriculum-table tr:last-child td {
  border-bottom: none;
}

.brickit-demo .rubric-table td:first-child {
  font-weight: 600;
  color: #345b45;
}

.brickit-demo .reflection {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-demo .reflection-item {
  background: #f3e7d5;
  padding: 25px;
  border-radius: 12px;
  margin-bottom: 20px;
  border-left: 4px solid #e15b2a;
}

.brickit-demo .reflection-item h3,
.brickit-demo .diff-card h3 {
  color: #345b45;
  margin-bottom: 12px;
  font-size: 18px;
}

.brickit-demo .reflection-line {
  background: #ffffff;
  border: 2px solid #dddddd;
  border-radius: 6px;
  padding: 12px;
  min-height: 60px;
  margin-top: 10px;
}

.brickit-demo .differentiation {
  padding: 50px 40px;
  background: #f9f9f9;
}

.brickit-demo .diff-card {
  border-top: 5px solid #345b45;
  flex-direction: column;
}

.brickit-demo .assessment {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-demo .checklist {
  background: #f3e7d5;
  padding: 30px;
  border-radius: 12px;
  margin-top: 20px;
}

.brickit-demo .checklist-item {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  align-items: flex-start;
}

.brickit-demo .checkbox {
  width: 24px;
  height: 24px;
  border: 2px solid #345b45;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}

.brickit-demo .curriculum {
  padding: 50px 40px;
  background: #f9f9f9;
}

.brickit-demo .footer {
  background: #345b45;
  color: #ffffff;
  padding: 40px;
  text-align: center;
}

.brickit-demo .footer-links {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.brickit-demo .footer-links a {
  color: #f3e7d5;
  text-decoration: none;
  transition: color 0.3s ease;
}

.brickit-demo .footer-links a:hover {
  color: #e15b2a;
}

/* Brickit curriculum pages */
.brickit-curriculum .curriculum-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid rgba(33, 51, 42, 0.12);
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.breadcrumb__item::after {
  content: "/";
  margin-left: 0.5rem;
  color: rgba(33, 51, 42, 0.28);
}

.breadcrumb__item:last-child::after {
  display: none;
}

.breadcrumb__link {
  color: var(--brand-primary);
  font-weight: 600;
}

.breadcrumb__current {
  color: var(--text-muted);
  font-weight: 600;
}

.curriculum-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.curriculum-actions .btn {
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  font-size: 0.9rem;
}

.curriculum-lead {
  margin: 1.25rem 0 2rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.curriculum-toc {
  margin: 0 0 2.5rem;
  padding: 1.75rem 2rem;
  border-radius: 18px;
  background: var(--background-soft);
  border: 1px solid rgba(33, 51, 42, 0.12);
  box-shadow: 0 16px 35px rgba(32, 57, 41, 0.12);
}

.curriculum-toc__title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.curriculum-toc ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.curriculum-toc a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.1rem;
  color: var(--brand-primary);
  font-weight: 600;
}

.curriculum-toc a::before {
  content: "↘";
  font-size: 0.85rem;
  color: rgba(225, 91, 42, 0.75);
}

.brickit-curriculum section {
  margin-bottom: 3rem;
}

.brickit-curriculum section:last-of-type {
  margin-bottom: 0;
}

.brickit-curriculum .philosophy {
  background: var(--background);
  padding: 50px 40px;
}

.brickit-curriculum .philosophy-content {
  background: #ffffff;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-left: 5px solid var(--brand-accent);
}

.brickit-curriculum .philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.brickit-curriculum .philosophy-card {
  background: var(--background);
  padding: 25px;
  border-radius: 12px;
  border-left: 4px solid var(--brand-accent);
}

.brickit-curriculum .philosophy-card h3 {
  color: #345b45;
  margin-bottom: 12px;
  font-size: 18px;
}

.brickit-curriculum .course-overview {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-curriculum .info-box {
  background: var(--background);
  padding: 30px;
  border-radius: 12px;
  margin-top: 25px;
  border: 1px solid rgba(33, 51, 42, 0.12);
}

.brickit-curriculum .info-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 15px 0;
  border-bottom: 1px solid rgba(52, 91, 69, 0.2);
  flex-wrap: wrap;
}

.brickit-curriculum .info-row:last-child {
  border-bottom: none;
}

.brickit-curriculum .info-label {
  font-weight: 600;
  color: #345b45;
}

.brickit-curriculum .units {
  padding: 50px 40px;
  background: #f9f9f9;
}

.brickit-curriculum .units-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.brickit-curriculum .unit-card {
  display: block;
  background: #ffffff;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-top: 5px solid var(--brand-accent);
  transition: transform 0.3s ease;
}

.brickit-curriculum .unit-card:hover {
  transform: translateY(-5px);
}

.brickit-curriculum .unit-number {
  background: #345b45;
  color: #ffffff;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 15px;
}

.brickit-curriculum .unit-title {
  color: #345b45;
  font-size: 22px;
  margin-bottom: 10px;
  font-weight: 600;
}

.brickit-curriculum .unit-focus {
  color: var(--brand-accent);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 12px;
}

.brickit-curriculum .unit-lessons {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #e0e0e0;
}

.brickit-curriculum .unit-lessons-title {
  font-weight: 600;
  color: #345b45;
  margin-bottom: 8px;
  font-size: 14px;
}

.brickit-curriculum .unit-lessons ol {
  margin-left: 20px;
  font-size: 14px;
  line-height: 1.8;
}

.brickit-curriculum .alignment {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-curriculum .curriculum-table th {
  background: #345b45;
}

.brickit-curriculum .toolkit {
  padding: 50px 40px;
  background: #f9f9f9;
}

.brickit-curriculum .toolkit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.brickit-curriculum .toolkit-card {
  background: #ffffff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border-left: 4px solid var(--brand-accent);
}

.brickit-curriculum .toolkit-card h3 {
  color: #345b45;
  margin-bottom: 12px;
  font-size: 18px;
}

.brickit-curriculum .toolkit-card ul {
  margin-left: 20px;
  font-size: 15px;
}

.brickit-curriculum .toolkit-card li {
  margin-bottom: 8px;
}

.brickit-curriculum .skills {
  padding: 50px 40px;
  background: #ffffff;
}

.brickit-curriculum .next-steps {
  padding: 40px 32px;
  margin-top: 3rem;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid rgba(33, 51, 42, 0.12);
  box-shadow: 0 16px 40px rgba(32, 57, 41, 0.12);
}

.brickit-curriculum .next-steps h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.4rem;
  color: var(--brand-primary);
}

.brickit-curriculum .next-steps__list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.brickit-curriculum .next-steps__link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.brickit-curriculum .next-steps__link::after {
  content: "↗";
  font-size: 0.95rem;
}

.brickit-curriculum .curriculum-note {
  margin-top: 30px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .curriculum-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .curriculum-toc {
    padding: 1.25rem 1.5rem;
  }

  .brickit-curriculum .philosophy,
  .brickit-curriculum .course-overview,
  .brickit-curriculum .units,
  .brickit-curriculum .alignment,
  .brickit-curriculum .toolkit,
  .brickit-curriculum .skills {
    padding: 30px 20px;
  }

  .brickit-curriculum .philosophy-content,
  .brickit-curriculum .info-box {
    padding: 25px 20px;
  }

  .brickit-curriculum .philosophy-grid,
  .brickit-curriculum .units-grid,
  .brickit-curriculum .toolkit-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .brickit-curriculum .unit-card {
    padding: 25px 20px;
  }
}

@media (max-width: 768px) {
  .brickit-demo .header {
    padding: 40px 20px;
  }

  .brickit-demo h1 {
    font-size: 28px;
  }

  .brickit-demo .subtitle {
    font-size: 16px;
  }

  .brickit-demo .meta-info {
    gap: 10px;
  }

  .brickit-demo .meta-item {
    font-size: 12px;
    padding: 8px 15px;
  }

  .brickit-demo .overview,
  .brickit-demo .goals,
  .brickit-demo .skills,
  .brickit-demo .preparation,
  .brickit-demo .lesson-flow,
  .brickit-demo .rules,
  .brickit-demo .engineering,
  .brickit-demo .rubric,
  .brickit-demo .reflection,
  .brickit-demo .differentiation,
  .brickit-demo .assessment,
  .brickit-demo .curriculum {
    padding: 30px 20px;
  }

  .brickit-demo .overview-content {
    padding: 25px 20px;
  }

  .brickit-demo .section-title {
    font-size: 22px;
  }

  .brickit-demo .prep-grid,
  .brickit-demo .rules-grid,
  .brickit-demo .goals-grid,
  .brickit-demo .diff-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .brickit-demo .timeline-item {
    gap: 15px;
    padding: 25px 20px 25px 65px;
  }

  .brickit-demo .timeline-item::before {
    left: 22px;
  }

  .brickit-demo .timeline-number {
    width: 45px;
    height: 45px;
    font-size: 18px;
  }

  .brickit-demo .timeline-content {
    padding: 20px;
  }

  .brickit-demo .timeline-title,
  .brickit-demo .step-title {
    font-size: 18px;
  }

  .brickit-demo .timeline-duration {
    font-size: 13px;
    padding: 5px 12px;
  }

  .brickit-demo .rubric-table,
  .brickit-demo .curriculum-table,
  .brickit-demo .skills-table {
    font-size: 14px;
  }

  .brickit-demo .rubric-table th,
  .brickit-demo .rubric-table td,
  .brickit-demo .curriculum-table th,
  .brickit-demo .curriculum-table td,
  .brickit-demo .skills-table th,
  .brickit-demo .skills-table td {
    padding: 15px 10px;
  }

  .brickit-demo .cycle-steps {
    font-size: 18px;
  }

  .brickit-demo .step {
    padding: 25px 20px 25px 55px;
    margin-bottom: 30px;
  }

  .brickit-demo .step-number {
    width: 40px;
    height: 40px;
    font-size: 16px;
    left: 20px;
  }
}