/* Syllabus & courses page styles — orange theme */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body, 'Inter', sans-serif);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; height: auto; }
.font-display { font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif); letter-spacing: -0.025em; }

:root {
  --bg: #FFFBF7;
  --bg-alt: #FFFFFF;
  --fg: #1C1917;
  --muted: #78716C;
  --accent: #F97316;
  --accent-soft: #FED7AA;
  --accent-2: #EA580C;
  --accent-dark: #C2410C;
  --accent-light: #FFF7ED;
  --border: rgba(28, 25, 23, 0.08);
  --shadow: 0 10px 30px -10px rgba(234, 88, 12, 0.12);
}

.page-nav {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  background: rgba(255, 251, 247, 0.92);
  border-bottom: 1px solid var(--border);
}
.page-nav-inner {
  max-width: 80rem; margin: 0 auto; padding: 0.625rem 1rem;
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
}
@media (min-width: 640px) {
  .page-nav-inner { padding: 0.75rem 1.5rem; gap: 1rem; }
}
.page-nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.page-nav-actions .btn-primary {
  flex-shrink: 0;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) {
  .page-nav-actions .btn-primary {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}
.page-nav-links { display: none; gap: 2rem; font-size: 0.875rem; font-weight: 600; color: var(--muted); }
.page-nav-links a:hover { color: var(--accent-2); }
.page-nav-links a.is-active { color: var(--accent-2); font-weight: 800; }
.page-nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-2); color: #fff; font-weight: 700;
  padding: 0.625rem 1.25rem; border-radius: 0.5rem; font-size: 0.875rem;
  box-shadow: 0 4px 15px rgba(234, 88, 12, 0.35);
}
.page-footer {
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 3rem 1.5rem 2rem;
}
.page-footer-inner { max-width: 80rem; margin: 0 auto; }
.whatsapp-float {
  position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 999;
  display: inline-flex; align-items: center; gap: 0.75rem;
  background: #16A34A; color: #fff; padding: 0.75rem 1rem 0.75rem 0.75rem;
  border-radius: 999px; box-shadow: 0 18px 45px rgba(22, 163, 74, 0.35);
}
@media (min-width: 1024px) { .page-nav-links { display: flex; } }

@media (max-width: 1023px) {
  .page-nav-inner {
    flex-wrap: wrap;
    align-items: center;
    row-gap: 0.5rem;
  }
  .page-nav-links {
    display: flex;
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 0.5rem;
    padding: 0.35rem 0 0.15rem;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .page-nav-links::-webkit-scrollbar { display: none; }
  .page-nav-links a {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border);
    font-size: 0.75rem;
  }
  .page-nav-links a.is-active {
    background: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.25);
    color: var(--accent-2);
  }
}

@media (max-width: 767px) {
  body.has-mobile-bar .whatsapp-float {
    left: auto;
    right: 1rem;
    bottom: calc(6.25rem + env(safe-area-inset-bottom, 0));
    width: 3.25rem;
    height: 3.25rem;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }
  body.has-mobile-bar .whatsapp-float .whatsapp-float-text,
  body.has-mobile-bar .whatsapp-float > span:last-child:not(.whatsapp-float-icon) {
    display: none !important;
  }
}

@media (max-width: 640px) {
  .whatsapp-float:not(body.has-mobile-bar .whatsapp-float) {
    left: auto;
    right: 1rem;
    bottom: 1rem;
    width: 3.25rem;
    height: 3.25rem;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }
  .whatsapp-float span:last-child { display: none; }
}

.syllabus-section {
  padding: 5rem 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.syllabus-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 2.5rem;
  padding: 0 1.5rem;
}

.syllabus-header h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 0.75rem;
  color: var(--fg);
}

.syllabus-header h2 span { color: var(--accent-2); }

.syllabus-header p {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.6;
  font-weight: 600;
  margin: 0;
}

.syllabus-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
  padding: 0 1.5rem;
}

.syllabus-tab {
  appearance: none;
  border: 1px solid rgba(249, 115, 22, 0.2);
  background: #fff;
  color: var(--fg);
  min-height: 48px;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.22s ease;
  box-shadow: 0 8px 20px -16px rgba(234, 88, 12, 0.35);
}

.syllabus-tab:hover {
  transform: translateY(-2px);
  border-color: rgba(249, 115, 22, 0.4);
}

.syllabus-tab.is-active {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 14px 28px -14px rgba(234, 88, 12, 0.55);
}

.syllabus-panel {
  display: none;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.syllabus-panel.is-active { display: block; }

.syllabus-overview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.875rem;
  margin-bottom: 1.75rem;
}

.syllabus-overview-item {
  background: var(--accent-light);
  border: 1px solid rgba(249, 115, 22, 0.14);
  border-radius: 1rem;
  padding: 1rem;
  text-align: center;
}

.syllabus-overview-item small {
  display: block;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.syllabus-overview-item strong {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  color: var(--accent-2);
  line-height: 1;
}

.syllabus-overview-item span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #57534E;
  margin-top: 0.25rem;
}

.syllabus-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 1.75rem;
  align-items: start;
}

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

.syllabus-day-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0.875rem;
  align-items: center;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 24px -20px rgba(28, 25, 23, 0.2);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.syllabus-day-item:hover {
  border-color: rgba(249, 115, 22, 0.25);
  transform: translateX(4px);
}

.syllabus-day-num {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-light), #fff);
  border: 1px solid rgba(249, 115, 22, 0.15);
}

.syllabus-day-num em {
  font-style: normal;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.syllabus-day-num b {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--accent-2);
}

.syllabus-day-topic {
  font-weight: 800;
  color: var(--fg);
  font-size: 0.95rem;
  line-height: 1.35;
}

.syllabus-day-topic small {
  display: block;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}

.syllabus-chart-wrap {
  background: linear-gradient(145deg, #fff7ed 0%, #fff 45%, #ffedd5 100%);
  border: 1px solid rgba(249, 115, 22, 0.18);
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  position: sticky;
  top: 6rem;
}

.syllabus-visual {
  position: relative;
  min-height: 280px;
  padding: 1.5rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.syllabus-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(249, 115, 22, 0.15), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(234, 88, 12, 0.12), transparent 40%);
  pointer-events: none;
}

.sv-scene {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 4/3;
  z-index: 1;
}

.sv-scene svg { width: 100%; height: 100%; display: block; }

.sv-road-line {
  stroke: rgba(249, 115, 22, 0.35);
  stroke-width: 3;
  stroke-dasharray: 12 10;
  animation: svRoadMove 1.4s linear infinite;
}

.sv-car-body { animation: svCarBounce 2s ease-in-out infinite; }
.sv-wheel { transform-origin: center; animation: svWheelSpin 0.6s linear infinite; }
.sv-steer { transform-origin: 50% 50%; animation: svSteerTurn 3s ease-in-out infinite; }
.sv-needle { transform-origin: 100px 100px; animation: svNeedleSweep 4s ease-in-out infinite; }
.sv-pulse { animation: svPulse 2s ease-in-out infinite; }
.sv-float-a { animation: svFloat 3s ease-in-out infinite; }
.sv-float-b { animation: svFloat 3s ease-in-out 0.5s infinite; }
.sv-float-c { animation: svFloat 3s ease-in-out 1s infinite; }
.sv-day-dot { animation: svDotGlow 2s ease-in-out infinite; }
.sv-day-dot:nth-child(2) { animation-delay: 0.15s; }
.sv-day-dot:nth-child(3) { animation-delay: 0.3s; }
.sv-day-dot:nth-child(4) { animation-delay: 0.45s; }
.sv-day-dot:nth-child(5) { animation-delay: 0.6s; }
.sv-progress-ring { stroke-dasharray: 283; stroke-dashoffset: 70; animation: svRingFill 3s ease-in-out infinite alternate; }

@keyframes svRoadMove { to { stroke-dashoffset: -44; } }
@keyframes svCarBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes svWheelSpin { to { transform: rotate(360deg); } }
@keyframes svSteerTurn { 0%, 100% { transform: rotate(-25deg); } 50% { transform: rotate(25deg); } }
@keyframes svNeedleSweep { 0%, 100% { transform: rotate(-80deg); } 50% { transform: rotate(60deg); } }
@keyframes svPulse { 0%, 100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes svFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes svDotGlow { 0%, 100% { fill: #FED7AA; } 50% { fill: #EA580C; } }
@keyframes svRingFill { from { stroke-dashoffset: 200; } to { stroke-dashoffset: 40; } }

.sv-badge {
  position: relative;
  z-index: 2;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(249, 115, 22, 0.2);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 8px 20px -12px rgba(234, 88, 12, 0.4);
}

.syllabus-chart-caption {
  padding: 0.875rem 1rem;
  background: var(--accent-light);
  border-top: 1px solid rgba(249, 115, 22, 0.12);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-align: center;
}

.syllabus-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  justify-content: center;
}

.syllabus-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 1.25rem;
  border-radius: 14px;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.syllabus-cta:hover { transform: translateY(-2px); }

.syllabus-cta.primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-dark));
  color: #fff;
  box-shadow: 0 12px 24px -14px rgba(234, 88, 12, 0.6);
}

.syllabus-cta.secondary {
  background: #fff;
  color: var(--accent-2);
  border: 1.5px solid rgba(249, 115, 22, 0.35);
}

.syllabus-home-compact .syllabus-layout {
  grid-template-columns: 1fr;
}

.syllabus-home-compact .syllabus-chart-wrap {
  position: static;
  max-width: 520px;
  margin: 1.25rem auto 0;
}

.syllabus-home-compact .syllabus-day-list {
  max-height: 420px;
  overflow-y: auto;
  padding-right: 4px;
}

.syllabus-view-all {
  text-align: center;
  margin-top: 2rem;
}

.courses-page-hero {
  padding: 7rem 1.5rem 3rem;
  text-align: center;
  background:
    radial-gradient(circle at 10% 20%, rgba(249, 115, 22, 0.12), transparent 35%),
    linear-gradient(180deg, #FFFBF7, #fff);
}

.courses-page-hero h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  color: var(--fg);
}

.courses-page-hero h1 span { color: var(--accent-2); }

.courses-page-hero p {
  max-width: 640px;
  margin: 0 auto 1.5rem;
  color: var(--muted);
  font-weight: 600;
  line-height: 1.6;
}

.courses-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 80rem;
  margin: -2rem auto 0;
  padding: 0 1.5rem 3rem;
  position: relative;
  z-index: 2;
}

.courses-quick-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.courses-quick-card.featured {
  border-color: rgba(249, 115, 22, 0.45);
  box-shadow: 0 20px 50px -28px rgba(234, 88, 12, 0.35);
}

.courses-quick-card h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
  color: var(--fg);
}

.courses-quick-card p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.5;
}

.courses-quick-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.courses-quick-meta span {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-light);
  color: var(--accent-2);
}

@media (prefers-reduced-motion: reduce) {
  .sv-road-line, .sv-car-body, .sv-wheel, .sv-steer, .sv-needle,
  .sv-pulse, .sv-float-a, .sv-float-b, .sv-float-c, .sv-day-dot, .sv-progress-ring {
    animation: none !important;
  }
}

@media (max-width: 900px) {
  .syllabus-overview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .syllabus-layout { grid-template-columns: 1fr; }
  .syllabus-chart-wrap { position: static; }
  .courses-quick-grid { grid-template-columns: 1fr; margin-top: 1rem; }
}

@media (max-width: 640px) {
  .syllabus-section { padding: 3.5rem 0; }
  .syllabus-day-item { grid-template-columns: 60px 1fr; padding: 0.75rem; }
  .syllabus-day-num { min-height: 46px; }
  .syllabus-tabs { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.25rem; }
  .syllabus-tab { flex: 0 0 auto; white-space: nowrap; }
}