/* ============================================================================
   DK WARP - COMMUNICATION PSYCHOLOGY FOR FREELANCERS
   ============================================================================ */

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --primary: #1e3a5f;
  --primary-light: #2c5aa0;
  --primary-dark: #153454;
  --secondary: #4ade80;
  --neutral-50: #f9fafb;
  --neutral-100: #f3f4f6;
  --neutral-200: #e5e7eb;
  --neutral-300: #d1d5db;
  --neutral-400: #9ca3af;
  --neutral-600: #4b5563;
  --neutral-800: #1f2937;
  --neutral-900: #111827;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --accent: #3b82f6;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
  --font-heading: var(--font-family);
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--neutral-800);
  background-color: var(--neutral-50);
  line-height: var(--line-height-normal);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--neutral-900);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--neutral-600);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-light);
}

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

ul li,
ol li {
  margin-bottom: var(--spacing-sm);
  color: var(--neutral-600);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header & Navigation */
.header {
  background-color: white;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--neutral-600);
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.375rem;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 1.5rem;
  height: 2px;
  background-color: var(--neutral-800);
  transition: all var(--transition-base);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  text-align: center;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--neutral-200);
  color: var(--neutral-800);
}

.btn-secondary:hover {
  background-color: var(--neutral-300);
}

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

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

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

.btn-light:hover {
  background-color: transparent;
  color: white;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.link-button {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-weight: 500;
  text-decoration: underline;
}

.link-button:hover {
  color: var(--primary-light);
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.05) 0%, rgba(74, 222, 128, 0.05) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  color: var(--neutral-900);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--neutral-600);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* Insights Section */
.insights {
  padding: var(--spacing-2xl) 0;
  background-color: white;
}

.insights h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: 2rem;
}

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

.insight-card {
  padding: var(--spacing-xl);
  background-color: var(--neutral-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  transition: all var(--transition-base);
}

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

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

/* Featured Courses Section */
.featured-courses {
  padding: var(--spacing-2xl) 0;
  background-color: var(--neutral-50);
}

.featured-courses h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.course-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.course-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-details {
  padding: var(--spacing-lg);
}

.course-details h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.course-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
}

.course-level,
.course-duration {
  background-color: var(--neutral-100);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--neutral-600);
}

.course-level {
  background-color: rgba(74, 222, 128, 0.1);
  color: var(--success);
}

.section-cta {
  text-align: center;
}

/* Courses Full Page */
.courses-full-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

.course-card-large {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  padding: var(--spacing-xl);
}

.course-card-large:hover {
  box-shadow: var(--shadow-xl);
}

.course-badge {
  display: inline-block;
  background-color: var(--primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.course-image {
  margin: 0;
}

.course-image img {
  border-radius: var(--radius-lg);
}

.course-features {
  list-style: none;
  margin: var(--spacing-lg) 0;
}

.course-features li {
  margin-bottom: var(--spacing-sm);
  color: var(--neutral-600);
  position: relative;
  padding-left: 1.5rem;
}

.course-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

.course-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

/* Consulting Section */
.consulting-section {
  padding: var(--spacing-2xl) 0;
  background-color: white;
}

.consulting-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.consulting-section > .container > p {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.consulting-card {
  padding: var(--spacing-xl);
  background-color: var(--neutral-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  text-align: center;
}

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

.consulting-card .price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  text-align: center;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

/* Page Hero */
.page-hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.05) 0%, rgba(74, 222, 128, 0.05) 100%);
  text-align: center;
}

.page-hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.subtitle {
  font-size: 1.25rem;
  color: var(--neutral-600);
}

/* About Page */
.about-hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  text-align: center;
}

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

.about-hero .subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.about-content {
  padding: var(--spacing-2xl) 0;
}

.about-section {
  margin-bottom: var(--spacing-2xl);
}

.about-bio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.bio-image img {
  border-radius: var(--radius-lg);
  width: 100%;
}

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

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.value-card {
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

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

/* Blog Page */
.blog-section {
  padding: var(--spacing-2xl) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.blog-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.blog-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

.blog-content {
  padding: var(--spacing-lg);
}

.blog-date {
  display: inline-block;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.blog-content h2 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.blog-content h2 a {
  color: var(--neutral-900);
}

.blog-content h2 a:hover {
  color: var(--primary);
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-lg);
  font-size: 0.875rem;
}

.read-time {
  color: var(--neutral-400);
}

.read-more {
  color: var(--primary);
  font-weight: 600;
}

/* Article Page */
.article-page {
  min-height: 100vh;
}

.article-hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.05) 0%, rgba(74, 222, 128, 0.05) 100%);
}

.article-hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.article-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.875rem;
  color: var(--neutral-600);
}

.article-date,
.article-read-time {
  display: inline-block;
}

.article-date {
  color: var(--primary);
  font-weight: 600;
}

.article-content {
  padding: var(--spacing-2xl) 0;
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.article-body h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.article-body h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.article-body p {
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--spacing-lg);
}

.article-body li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-relaxed);
}

.article-footer {
  max-width: 800px;
  margin: 0 auto;
  padding-top: var(--spacing-lg);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--primary);
  font-weight: 600;
  transition: all var(--transition-base);
}

.back-link:hover {
  gap: var(--spacing-md);
  color: var(--primary-light);
}

/* Newsletter Section */
.newsletter-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--neutral-50);
}

.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-content h2 {
  margin-bottom: var(--spacing-md);
}

.newsletter-content > p {
  margin-bottom: var(--spacing-lg);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-lg);
  font-size: 1rem;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.newsletter-form button {
  padding: var(--spacing-sm) var(--spacing-lg);
}

.privacy-note {
  font-size: 0.875rem;
  color: var(--neutral-400);
}

/* Contact Page */
.contact-section {
  padding: var(--spacing-2xl) 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-form {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form h2 {
  margin-bottom: var(--spacing-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--neutral-800);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-note {
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--success);
}

.form-note.error {
  color: var(--error);
}

.contact-info h2 {
  margin-bottom: var(--spacing-lg);
}

.contact-methods {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.method {
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.method h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

.method ul {
  margin: 0;
  padding-left: var(--spacing-lg);
}

.method a {
  color: var(--primary);
}

/* Legal Pages */
.legal-page {
  padding: var(--spacing-2xl) 0;
}

.last-updated {
  font-size: 0.875rem;
  color: var(--neutral-400);
  margin-bottom: var(--spacing-lg);
}

.legal-content {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  max-width: 900px;
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
}

.legal-content h3 {
  font-size: 1.125rem;
  margin-top: var(--spacing-lg);
}

/* Error Page */
.error-page {
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.error-page h1 {
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}

.error-page h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

.error-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  animation: slideUp 0.3s ease-in-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-content {
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

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

.cookie-text {
  flex: 1;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease-in-out;
}

/* Hide modal when hidden attribute is set */
.modal[hidden] {
  display: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.modal-content {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  z-index: 1;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--neutral-200);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--neutral-600);
}

.modal-body {
  padding: var(--spacing-lg);
}

.preference-group {
  margin-bottom: var(--spacing-lg);
}

.preference-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  cursor: pointer;
}

.preference-item input {
  margin-top: 0.25rem;
  cursor: pointer;
}

.preference-item span {
  flex: 1;
}

.preference-item strong {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.preference-item small {
  color: var(--neutral-400);
  display: block;
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--neutral-200);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* Footer */
.footer {
  background-color: var(--neutral-900);
  color: var(--neutral-300);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--neutral-300);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--neutral-300);
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--neutral-400);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

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

  .hero-content h1 {
    font-size: 2rem;
  }

  .course-card-large {
    grid-template-columns: 1fr;
    padding: var(--spacing-lg);
  }

  .about-bio {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    width: 100%;
  }

  .error-actions {
    flex-direction: column;
  }

  .error-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .insights-grid,
  .courses-grid,
  .values-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .modal-content {
    width: 95%;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
  }

  .cookie-buttons {
    width: 100%;
  }

  .cookie-buttons .btn {
    flex: 1;
  }
}