/* ============================================
   BASIN TECH EXPLORERS STYLES
   ============================================ */

/* CSS Variables */
:root {
  /* Primary Colors from Logo */
  --color-bright-green: #43b14b;
  --color-dark-navy: #061c31;
  --color-dark-navy-light: #30577d;
  
  /* Complementary Colors */
  --color-teal: #30577d;
  --color-light-blue: #558bad;
  --color-coral: #e65e4b;
  --color-light-bg: #fafafa;
  --color-white: #fafafa;
  --color-text-dark: #1a1a1a;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-h1: 2.5rem;
  --font-size-h2: 2rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  
  /* Shadows and Effects */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-default: all 0.3s ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-width: 400px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-light-bg);
  min-width: 400px;
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark-navy);
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
}

p {
  margin-bottom: var(--spacing-md);
}

ul {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

a {
  color: var(--color-bright-green);
  text-decoration: none;
  transition: var(--transition-default);
}

a:hover {
  color: var(--color-teal);
}

a:focus {
  outline: 2px solid var(--color-bright-green);
  outline-offset: 2px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo img {
  height: 70px;
  width: auto;
}

.logo span {
  font-size: var(--font-size-h4);
  font-weight: 700;
  color: var(--color-dark-navy);
  display: none;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

nav li {
  position: relative;
}

nav a {
  color: var(--color-text-dark);
  font-weight: 500;
  transition: var(--transition-default);
  display: block;
  text-decoration: none;
}

nav a:hover,
nav a:focus {
  color: var(--color-bright-green);
}

/* Dropdown indicator arrow */
nav li:has(> ul) > a::after {
  content: ' ▼';
  font-size: 0.55em;
  color: var(--color-text-dark);
  transition: color 0.3s ease;
}

nav li:hover > a::after,
nav li:focus-within > a::after {
  color: var(--color-bright-green);
}

/* Dropdown Menu */
nav ul ul {
  position: absolute;
  top: 100%;
  left: 0;
  flex-direction: column;
  gap: 0;
  background-color: #ffffff;
  border: none;
  border-radius: 4px;
  box-shadow: none;
  min-width: 200px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, border 0.3s ease, box-shadow 0.3s ease;
  padding: 0;
  z-index: 101;
}

nav li:hover > ul,
nav li:focus-within > ul {
  max-height: 500px;
  padding: var(--spacing-sm) 0;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

nav ul ul li {
  margin: 0;
  padding: 0;
}

nav ul ul a {
  padding: 0.5rem var(--spacing-md);
  border-radius: 0;
}

nav ul ul li:hover > a {
  background-color: var(--color-light-bg);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--color-dark-navy);
  transition: var(--transition-default);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
@media (max-width: 1065px) {
  .hamburger {
    display: flex;
  }
  
  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    box-shadow: var(--shadow-md);
    display: none; /* Hide by default on mobile */
    z-index: 100;
  }
  
  nav.active {
    display: block;
    max-height: 500px;
    overflow-y: auto;
  }
  
  nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  /* Mobile dropdown menu styling */
  nav ul ul {
    position: static;
    background-color: #f5f5f5;
    border: none;
    border-left: 3px solid var(--color-bright-green);
    border-radius: 0;
    box-shadow: none;
    min-width: auto;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
    margin-left: var(--spacing-md);
  }

  nav li:hover > ul,
  nav li:focus-within > ul {
    max-height: none;
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-md);
    border: none;
    border-left: 3px solid var(--color-bright-green);
    box-shadow: none;
  }

  nav ul ul a {
    padding: 0.5rem var(--spacing-md);
    font-size: 0.95rem;
  }

  nav ul ul li:hover > a {
    background-color: #e8e8e8;
  }
  
  .logo span {
    display: inline;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--color-dark-navy) 0%, var(--color-dark-navy-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-white);
  font-size: var(--font-size-h1);
  margin-bottom: var(--spacing-md);
}

.hero-subheadline {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  color: var(--color-bright-green);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-bright-green);
  color: var(--color-dark-navy);
  border: 2px solid var(--color-bright-green);
  border-radius: 6px;
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: var(--transition-default);
  text-decoration: none;
  display: inline-block;
}

.btn:hover,
.btn:focus {
  background-color: var(--color-dark-navy);
  color: var(--color-bright-green);
  outline: none;
}

.btn-secondary {
  background-color: var(--color-teal);
  border-color: var(--color-teal);
  color: var(--color-white);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-dark-navy);
  color: var(--color-teal);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-outline:hover,
.btn-outline:focus {
  background-color: var(--color-white);
  color: var(--color-dark-navy);
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-small);
}

/* ============================================
   SECTIONS & CONTAINERS
   ============================================ */

section {
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  margin-bottom: var(--spacing-md);
}

.section-accent {
  width: 60px;
  height: 4px;
  background-color: var(--color-bright-green);
  margin: 0 auto var(--spacing-md);
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-default);
  border-top: 4px solid var(--color-bright-green);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card h3 {
  margin-bottom: var(--spacing-md);
}

.card p {
  color: var(--color-text-light);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* ============================================
   FORMS
   ============================================ */

form {
  max-width: 600px;
  margin: var(--spacing-xl) auto;
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-dark-navy);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: var(--transition-default);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-bright-green);
  box-shadow: 0 0 0 3px rgba(163, 255, 0, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  padding: var(--spacing-md);
  border-radius: 6px;
  margin-top: var(--spacing-md);
  text-align: center;
  display: none;
}

.form-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-bright-green);
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: var(--color-white);
}

.footer-section a:hover {
  color: var(--color-bright-green);
}

.footer-bottom {
  border-top: 1px solid rgba(163, 255, 0, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   STEPS/HOW IT WORKS
   ============================================ */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.step {
  text-align: center;
  padding: var(--spacing-lg);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--color-bright-green);
  color: var(--color-dark-navy);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

.step h3 {
  margin-bottom: var(--spacing-sm);
}

.step p {
  color: var(--color-text-light);
}

/* ============================================
   EXPANDABLE SECTIONS (ACCORDION)
   ============================================ */

.accordion-item {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 6px;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.accordion-header {
  background-color: var(--color-white);
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-weight: 600;
  font-size: var(--font-size-base);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-default);
  color: var(--color-dark-navy);
}

.accordion-header:hover,
.accordion-header:focus {
  background-color: var(--color-light-bg);
  outline: none;
}

.accordion-header.active {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
}

.accordion-icon {
  transition: transform 0.3s ease;
  font-size: 1.25rem;
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content.active {
  max-height: 2000px;
}

.accordion-body {
  padding: var(--spacing-lg);
  color: var(--color-text-dark);
}

/* ============================================
   PORTFOLIO ITEMS
   ============================================ */

.portfolio-item {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-left: 4px solid var(--color-bright-green);
  margin-bottom: var(--spacing-md);
  border-radius: 4px;
}

.portfolio-item h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark-navy);
}

.portfolio-student {
  font-weight: 600;
  color: var(--color-teal);
  margin-bottom: var(--spacing-sm);
}

.portfolio-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   SEARCH & FILTERS
   ============================================ */

.search-bar {
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
}

.search-bar input {
  border-radius: 6px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-light-bg);
  border: 2px solid var(--color-border);
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition-default);
  font-size: var(--font-size-small);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-bright-green);
  color: var(--color-dark-navy);
  border-color: var(--color-bright-green);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-card {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition-default);
  border-top: 4px solid var(--color-teal);
}

.portfolio-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.portfolio-key {
  font-weight: 700;
  color: var(--color-bright-green);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.portfolio-card p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

/* ============================================
   TOPIC PAGES
   ============================================ */

.topic-hero {
  background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-bright-green) 100%);
  color: var(--color-dark-navy);
  padding: var(--spacing-xxl) var(--spacing-lg);
  text-align: center;
}

.topic-hero h1 {
  color: var(--color-dark-navy);
  font-size: var(--font-size-h1);
}

.topic-content {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.topic-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.resource-link {
  background-color: var(--color-light-bg);
  padding: var(--spacing-md);
  border-radius: 6px;
  border-left: 4px solid var(--color-bright-green);
  transition: var(--transition-default);
}

.resource-link:hover {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  border-left-color: var(--color-teal);
}

.resource-link a {
  font-weight: 600;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.resource-link p {
  color: var(--color-text-light);
  font-size: var(--font-size-small);
  margin-bottom: 0;
}

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumb {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-light-bg);
  font-size: var(--font-size-small);
  word-break: break-word;
  display: none !important; /* Force hidden by default */
  height: 0 !important;
  visibility: hidden !important;
  opacity: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}

.breadcrumb-content {
  max-width: 1200px;
  margin: 0 auto;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.breadcrumb a {
  color: var(--color-bright-green);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Show breadcrumb on sub-pages - when path shows navigation was taken */
.about-page .breadcrumb,
.course-resources-page .breadcrumb,
.student-portfolios-page .breadcrumb,
.parent-resources-page .breadcrumb,
.donations-page .breadcrumb,
.privacy-page .breadcrumb {
  display: block !important;
  height: auto !important;
  visibility: visible !important;
  opacity: 1 !important;
  margin: 0 !important;
  padding: var(--spacing-md) var(--spacing-lg) !important;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.text-center { text-align: center; }
.text-light { color: var(--color-text-light); }
.text-small { font-size: var(--font-size-small); }

.highlight {
  color: var(--color-bright-green);
  font-weight: 600;
}

/* ============================================
   BOARD MEMBER & COLLAPSIBLE STYLES
   ============================================ */

.board-member-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.board-member-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.member-header {
  border-bottom: 2px solid var(--color-bright-green);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.member-header h3 {
  margin: 0 0 0.5rem 0;
  color: var(--color-dark-navy);
  font-size: 1.3rem;
}

.member-title {
  margin: 0;
  color: var(--color-bright-green);
  font-weight: 600;
  font-size: 0.95rem;
}

.member-content h4 {
  color: var(--color-dark-navy-light);
  margin-top: var(--spacing-lg);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.member-content h4:first-child {
  margin-top: 0;
}

.member-content p {
  margin: 0.5rem 0 var(--spacing-md) 0;
  color: var(--color-text-dark);
  line-height: 1.6;
}

.member-content ul {
  margin: 0.5rem 0 var(--spacing-lg) 0;
  padding-left: var(--spacing-lg);
  list-style: none;
}

.member-content li {
  margin: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-dark);
  line-height: 1.5;
}

.member-content li:before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--color-bright-green);
  font-weight: bold;
}

/* COLLAPSIBLE SECTIONS */
.collapsible-section {
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: #ffffff;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.collapsible-section:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.collapsible-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--color-light-bg);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  color: var(--color-dark-navy);
  border-bottom: 2px solid var(--color-border);
  transition: background-color 0.2s ease;
}

.collapsible-header:hover {
  background-color: #f0f0f0;
}

.collapsible-header h3 {
  margin: 0;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}

.collapsible-toggle {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-bright-green);
  font-weight: bold;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.collapsible-section.active .collapsible-toggle {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0;
}

.collapsible-section.active .collapsible-content {
  max-height: 2000px;
  padding: var(--spacing-lg);
  border-bottom: none;
}

.collapsible-content h3 {
  color: var(--color-dark-navy);
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.collapsible-content h3:not(:first-child) {
  margin-top: var(--spacing-lg);
}

.collapsible-content p {
  margin: 0.5rem 0 var(--spacing-md) 0;
  color: var(--color-text-dark);
  line-height: 1.6;
}

.collapsible-content ul {
  margin: 0.5rem 0 var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
  list-style: none;
}

.collapsible-content li {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-dark);
  line-height: 1.6;
}

.collapsible-content li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-bright-green);
  font-weight: bold;
}

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

@media (max-width: 1065px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.5rem;
    --font-size-h3: 1.25rem;
    --spacing-xxl: 2rem;
    --spacing-xl: 1.5rem;
  }
  
  section {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .hero h1 {
    font-size: var(--font-size-h2);
  }
  
  .hero-subheadline {
    font-size: 1rem;
  }
  
  .topic-buttons {
    flex-direction: column;
  }
  
  .topic-buttons .btn {
    width: 100%;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .logo span {
    display: none;
  }
  
  .breadcrumb {
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: 0.85rem;
  }
  
  .breadcrumb-content {
    word-break: break-word;
  }
}

@media (max-width: 600px) {
  .breadcrumb {
    padding: var(--spacing-sm) var(--spacing-sm);
    font-size: 0.8rem;
  }
  
  .breadcrumb-content {
    overflow-wrap: break-word;
  }
}

@media (max-width: 481px) {
  .breadcrumb {
    padding: 0.5rem;
    font-size: 0.75rem;
    line-height: 1.4;
  }
  
  .breadcrumb-content {
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
  
  .breadcrumb a,
  .breadcrumb span {
    display: inline;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-md: 1rem;
  }
  
  form {
    padding: var(--spacing-md);
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .filters {
    flex-direction: column;
  }
  
  .filter-btn {
    width: 100%;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  header, footer {
    display: none;
  }
  
  body {
    background-color: var(--color-white);
  }
}