/* HTMAA 2025 - Responsive CSS Framework */
:root {
  /* Color System */
  --bg: #0b0f14;
  --card: #111823;
  --muted: #7b8aa0;
  --text: #e6eefc;
  --accent: #7dd3fc;
  --accent2: #a7f3d0;
  --chip: #1b2635;
  --border: #1b2531;
  
  /* Typography Scale */
  --font-size-xs: clamp(0.75rem, 2vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 2.5vw, 1rem);
  --font-size-base: clamp(1rem, 3vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 3.5vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 4vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 5vw, 1.875rem);
  --font-size-3xl: clamp(1.875rem, 6vw, 2.25rem);
  
  /* Spacing Scale */
  --space-xs: clamp(0.25rem, 1vw, 0.5rem);
  --space-sm: clamp(0.5rem, 1.5vw, 0.75rem);
  --space-md: clamp(0.75rem, 2vw, 1rem);
  --space-lg: clamp(1rem, 2.5vw, 1.5rem);
  --space-xl: clamp(1.5rem, 3vw, 2rem);
  --space-2xl: clamp(2rem, 4vw, 3rem);
  --space-3xl: clamp(3rem, 6vw, 4rem);
  
  /* Container Sizes */
  --container-sm: 100%;
  --container-md: min(90%, 768px);
  --container-lg: min(90%, 1024px);
  --container-xl: min(90%, 1200px);
  --container-2xl: min(90%, 1400px);
  
  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, 'Apple Color Emoji', 'Segoe UI Emoji', sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
}

/* Typography */
h1 { font-size: var(--font-size-3xl); margin: 0; letter-spacing: 0.2px; }
h2 { font-size: var(--font-size-2xl); margin: 0 0 var(--space-md); }
h3 { font-size: var(--font-size-xl); margin: 0 0 var(--space-sm); }
h4 { font-size: var(--font-size-lg); margin: 0 0 var(--space-sm); }
h5 { font-size: var(--font-size-base); margin: 0 0 var(--space-xs); }
h6 { font-size: var(--font-size-sm); margin: 0 0 var(--space-xs); }

p { margin: 0 0 var(--space-md); }

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  text-decoration: underline;
  color: var(--accent2);
}

/* Container System */
.container {
  width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.wrap {
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: var(--space-xl);
}

/* Header */
header {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-lg) 0 var(--space-sm);
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

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

.title h1 {
  font-size: var(--font-size-2xl);
  letter-spacing: 0.2px;
}

.title p {
  margin: var(--space-xs) 0 0;
  color: var(--muted);
  font-size: var(--font-size-sm);
}

/* Navigation */
.nav {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.nav a {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip);
  font-size: var(--font-size-sm);
  transition: all 0.2s ease;
}

.nav a:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-1px);
}

/* Layout Grids */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  align-items: stretch;
  margin: var(--space-xl) 0;
}

/* Grid definitions consolidated below */

/* Sections */
section {
  margin-top: 40px;
}

section:first-of-type {
  margin-top: 0;
}

/* Cards */
.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  margin: 0;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  transition: all 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Card content distribution */
.card h2,
.card p,
.card ul,
.card div {
  margin-top: 0;
}

.card h2 {
  margin-bottom: 12px;
  flex-shrink: 0;
}

.card p {
  flex-grow: 1;
  margin-bottom: 12px;
  line-height: 1.5;
}

/* .card .chips styling handled by main .chips rule */

.card .list {
  flex-grow: 1;
  margin-bottom: 12px;
}


.list li {
  margin-bottom: 8px;
}

.list li:last-child {
  margin-bottom: 0;
}

/* Ensure proper spacing in cards */
.card > *:last-child {
  margin-bottom: 0;
}

/* Hero section specific adjustments */
.hero .card {
  margin-top: 0;
}

.hero .card:first-child {
  margin-top: 0;
}

.card:first-child {
  margin-top: 0;
}

/* Utility Classes */
.muted { color: var(--muted); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

/* Display utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flex utilities */
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }

/* Gap utilities */
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }
.gap-5 { gap: var(--space-xl); }

/* Font size utilities */
.fs-xs { font-size: var(--font-size-xs); }
.fs-sm { font-size: var(--font-size-sm); }
.fs-base { font-size: var(--font-size-base); }
.fs-lg { font-size: var(--font-size-lg); }
.fs-xl { font-size: var(--font-size-xl); }

/* Font weight utilities */
.fw-normal { font-weight: normal; }
.fw-bold { font-weight: bold; }
.fw-600 { font-weight: 600; }

/* Color utilities */
.text-accent { color: var(--accent); }
.text-accent2 { color: var(--accent2); }
.text-muted { color: var(--muted); }
.text-white { color: white; }

/* Background utilities */
.bg-chip { background: var(--chip); }
.bg-card { background: var(--card); }

/* Border utilities */
.border { border: 1px solid var(--border); }
.border-radius { border-radius: 8px; }
.border-radius-lg { border-radius: 16px; }

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.static { position: static; }

/* Overflow utilities */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Common component styles */
.highlight-card {
  background: linear-gradient(135deg, #0e1520 0%, #111823 100%);
  border: 1px solid var(--accent2);
  padding: var(--space-lg);
  border-radius: 16px;
  margin: var(--space-xl) 0;
}

.toc-card {
  background: linear-gradient(135deg, #0e1520 0%, #111823 100%);
  border: 1px solid var(--accent);
  padding: var(--space-lg);
  border-radius: 16px;
  margin: var(--space-xl) 0;
}

.section-title {
  margin: 0 0 var(--space-lg);
  color: var(--accent2);
  font-size: var(--font-size-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.subsection-title {
  margin: 0 0 var(--space-md);
  color: var(--accent);
  font-size: var(--font-size-lg);
}

.caption {
  margin: var(--space-sm) 0 0;
  color: var(--muted);
  font-size: var(--font-size-xs);
  font-style: italic;
  text-align: center;
}

/* Table of Contents Links */
.toc-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 6px;
  background: rgba(125, 211, 252, 0.1);
  color: var(--text);
  font-size: var(--font-size-xs);
  transition: all 0.2s ease;
  text-decoration: none;
}

.toc-link:hover {
  background: rgba(125, 211, 252, 0.2);
  transform: translateX(2px);
  text-decoration: none;
}

.toc-link .dot {
  color: var(--accent);
  font-weight: bold;
}

/* Pills and Chips - will be defined later */

/* --- Layout fixes for bottom sections --- */

/* Cards inside grids or standalone */
.card {
  background: var(--card, #0e1520);
  border: 1px solid var(--border, #2a3441);
  border-radius: 8px;
  padding: 16px;
  box-sizing: border-box;
}

/* Fix grid row alignment - force top alignment */
.grid {
  display: grid !important;
  gap: 20px !important;
  align-items: stretch !important;
  align-content: start !important;
}

.grid.cols-1 {
  grid-template-columns: 1fr !important;
}

.grid.cols-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
}

.grid.cols-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
}

.grid.cols-4 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
}

/* Force cards to align at top and not stretch */
.grid .card {
  height: auto !important;
  align-self: start !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: flex-start !important;
}

/* Ensure cards don't stretch to fill available height */
.grid .card > * {
  flex-shrink: 0 !important;
}

.grid .card .chips {
  margin-top: auto !important;
}

/* Override any default grid item behavior */
.grid > * {
  align-self: start !important;
  justify-self: stretch !important;
}

/* Lists with bullets and dots */
ul.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
ul.list li {
  display: flex;
  align-items: flex-start;   /* anchor at top of first line */
  gap: 8px;
  line-height: 1.5;
}

ul.list li .dot {
  flex: 0 0 0.5em;           /* smaller, consistent column */
  width: 0.5em;
  height: 0.5em;
  margin-top: 0.4em;         /* nudges dot to align with first line text */
  border-radius: 50%;
  background: var(--accent);
}

/* Chips & buttons - High specificity to override any conflicts */
.chips {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin-top: 12px !important;
  align-items: center !important;
  width: 100% !important;
}

.pill {
  display: inline-block !important;
  padding: 6px 12px !important;
  border-radius: 16px !important;
  background: var(--chip) !important;
  color: var(--muted) !important;
  font-size: 14px !important;
  line-height: 1.4 !important;
  white-space: nowrap !important;
  text-decoration: none !important;
  margin: 0 !important;
  border: none !important;
}

.btn {
  display: inline-block !important;
  padding: 8px 14px !important;
  border-radius: 6px !important;
  background: var(--chip) !important;
  color: var(--accent) !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  line-height: 1.4 !important;
  transition: all 0.2s ease !important;
  border: 1px solid var(--border) !important;
  margin: 0 !important;
  cursor: pointer !important;
}

.btn:hover {
  background: var(--accent) !important;
  color: var(--bg) !important;
  text-decoration: none !important;
  transform: translateY(-1px) !important;
}

/* Card spacing within sections */
.card .card {
  margin-top: 12px;
  padding: 8px;
  border-left: 3px solid var(--accent);
}

/* Ensure clean spacing between stacked cards/sections */
section + section {
  margin-top: 40px;  /* consistent breathing room between sections */
}

/* Extra clarity between grid rows (like Scratchpad + Checklists) and the next section */
.grid + section,
.grid + .card {
  margin-top: 40px;
}

/* Headings inside cards should not be glued to the content above */
.card h2,
.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

/* Headings spacing */
h2 {
  margin-top: 0;
  margin-bottom: 12px;
}
h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

/* Buttons - hover effects handled above */

/* Week Cards */
.week-card {
  display: grid;
  gap: var(--space-sm);
}

.week-card a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #0e1520;
  transition: all 0.2s ease;
}

.week-card a:hover {
  background: var(--chip);
  transform: translateY(-1px);
  text-decoration: none;
}

.week-card a span {
  color: var(--muted);
  font-size: var(--font-size-xs);
}

/* Back Link */
.back-link {
  margin-bottom: var(--space-lg);
}

.back-link a {
  color: var(--accent);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all 0.2s ease;
}

.back-link a:hover {
  text-decoration: underline;
  color: var(--accent2);
}

/* Image Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.image-gallery img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.image-gallery img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Responsive Images and Media */
img, video {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

/* Video specific styles */
video {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* Responsive video containers */
.video-container {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Footer */
footer {
  margin: var(--space-xl) 0;
  color: var(--muted);
  font-size: var(--font-size-xs);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Assignment Cards */
.assignment-card {
  background: linear-gradient(135deg, #0e1520 0%, #111823 100%);
  border: 1px solid var(--accent);
  padding: var(--space-xl);
  border-radius: 16px;
  margin: var(--space-lg) 0;
}

.assignment-card h3 {
  color: var(--accent);
  margin: 0 0 var(--space-md);
  font-size: var(--font-size-xl);
}

/* Material Cards */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.material-card {
  background: var(--chip);
  padding: var(--space-md);
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.material-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.material-card h4 {
  color: var(--accent2);
  margin: 0 0 var(--space-sm);
  font-size: var(--font-size-sm);
}

/* Responsive Design - Mobile First Approach */

/* Small devices (phones, 640px and up) */
@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-xl);
  }
  
  .wrap {
    padding: var(--space-2xl);
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
  }
  
  .grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .grid.cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-2xl);
  }
}

/* Extra large devices (large desktops, 1280px and up) */
@media (min-width: 1280px) {
  .container {
    padding: 0 var(--space-3xl);
  }
}

/* Mobile-specific adjustments */
@media (max-width: 640px) {
  .wrap {
    padding: var(--space-lg);
  }
  
  header {
    grid-template-columns: 56px 1fr;
    gap: var(--space-md);
  }
  
  .avatar {
    width: 56px;
    height: 56px;
    border-radius: 12px;
  }
  
  .title h1 {
    font-size: var(--font-size-xl);
  }
  
  .title p {
    font-size: var(--font-size-xs);
  }
  
  .nav {
    display: none; /* Hide nav on very small screens */
  }
  
  .hero {
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: stretch;
  }
  
  .grid.cols-2,
  .grid.cols-3,
  .grid.cols-4 {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    align-items: stretch !important;
  }
  
  .grid {
    align-items: stretch !important;
  }
  
  .image-gallery {
    grid-template-columns: 1fr;
  }
  
  .materials-grid {
    grid-template-columns: 1fr;
  }
  
  .assignment-card {
    padding: var(--space-lg);
  }
  
  .card {
    padding: var(--space-md);
  }
  
  footer {
    flex-direction: column;
    text-align: center;
  }
}

/* Tablet adjustments */
@media (max-width: 900px) and (min-width: 641px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
  
  .grid.cols-2,
  .grid.cols-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
    align-items: stretch !important;
  }
  
  .grid.cols-4 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
    align-items: stretch !important;
  }
  
  .grid {
    align-items: stretch !important;
  }
  
  .card {
    min-height: auto;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .avatar img,
  .image-gallery img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Print styles */
@media print {
  * {
    background: white !important;
    color: black !important;
  }
  
  .nav,
  .btn,
  footer {
    display: none !important;
  }
  
  .card {
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }
  
  .wrap {
    max-width: none !important;
    padding: 0 !important;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
a:focus,
.btn:focus,
button:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border: #ffffff;
    --muted: #cccccc;
  }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Responsive Tables */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch; /* smooth scrolling on iOS */
  margin: 16px 0;
}

table {
  width: 100%; /* scale to container */
  border-collapse: collapse;
  min-width: 600px; /* ensure table doesn't get too cramped */
}

/* Responsive Images and Media */
img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Ensure images in cards scale properly */
.card img, .card video {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

/* Improve touch targets for mobile */
@media (max-width: 640px) {
  a, button, .btn, .pill {
    min-height: 44px; /* Apple's recommended minimum touch target */
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Better spacing for touch navigation */
  nav a {
    padding: 12px 16px;
    margin: 4px 0;
  }
  
  /* Improve readability on small screens */
  body {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }
  
  /* Better line height for mobile reading */
  p, li {
    line-height: 1.6;
  }
}

/* Responsive Layout Improvements */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Mobile-first responsive breakpoints */
@media (max-width: 640px) {
  .container {
    padding: 0 12px;
  }
  
  .grid.cols-2,
  .grid.cols-3 {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  
  .hero {
    padding: 20px 0;
  }
  
  .card {
    padding: 12px;
  }
  
  h1 {
    font-size: 24px;
  }
  
  h2 {
    font-size: 20px;
  }
  
  h3 {
    font-size: 18px;
  }
  
  /* Improve button and chip spacing on mobile */
  .chips {
    gap: 6px !important;
  }
  
  .btn, .pill {
    padding: 6px 10px !important;
    font-size: 13px !important;
  }
  
  /* Better table handling on mobile */
  .table-container {
    margin: 12px 0;
    border-radius: 8px;
    border: 1px solid var(--border);
  }
  
  table {
    font-size: 12px;
  }
  
  th, td {
    padding: 8px 6px !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 8px;
  }
  
  .card {
    padding: 8px;
  }
  
  .hero {
    padding: 16px 0;
  }
  
  h1 {
    font-size: 22px;
  }
  
  h2 {
    font-size: 18px;
  }
  
  h3 {
    font-size: 16px;
  }
  
  /* Extra small screen optimizations */
  .btn, .pill {
    padding: 4px 8px !important;
    font-size: 12px !important;
  }
  
  .chips {
    gap: 4px !important;
  }
  
  table {
    font-size: 11px;
  }
  
  th, td {
    padding: 6px 4px !important;
  }
  
  /* Improve list spacing on very small screens */
  ul.list {
    gap: 8px;
  }
  
  ul.list li .dot {
    width: 0.4em;
    height: 0.4em;
    margin-top: 0.5em;
  }
}

/* --- STOP sibling drop inside grids/hero --- */
.grid > .card,
.hero > .card {
  margin-top: 0 !important;        /* no vertical bump in rows */
  align-self: stretch !important;   /* make all cards equal height */
  display: flex !important;         /* ensure flex layout */
  flex-direction: column !important; /* stack content vertically */
}

/* If you previously added a global sibling rule, neutralize it */
.card + .card { margin-top: 0; }

/* Safer vertical rhythm: apply spacing only between stacked sections */
section + section { margin-top: 40px; }  /* or 32px if you prefer */

/* Only add sibling spacing when NOT in a grid/hero */
:not(.grid):not(.hero) > .card + .card { margin-top: 32px; }

/* Ensure chips are pushed to bottom of cards for equal height */
.grid .card .chips {
  margin-top: auto !important;  /* push chips to bottom */
}