/**
 * Iron Hoof Live - Equestrian Sports Streaming Platform
 * Fingerprint: streaming-dark-mauve, streaming-montserrat, golden-ratio
 * CSS Naming: kebab-case | Architecture: modular | Units: rem-based
 */

/* ===== MODERN RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.618;
}

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

input, button, textarea, select {
  font: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors - Streaming Dark Mauve Theme */
  --color-bg-primary: #1a1520;
  --color-bg-secondary: #241e2a;
  --color-bg-tertiary: #2e2636;
  --color-bg-card: #322a3c;
  --color-bg-hover: #3d3348;

  --color-accent-primary: #9b59b6;
  --color-accent-secondary: #8e44ad;
  --color-accent-tertiary: #d4a5e8;
  --color-accent-gold: #f1c40f;
  --color-accent-success: #27ae60;
  --color-accent-error: #e74c3c;

  --color-text-primary: #f5f5f5;
  --color-text-secondary: #b8b0c4;
  --color-text-muted: #8a8194;
  --color-text-inverse: #1a1520;

  --color-border: rgba(155, 89, 182, 0.2);
  --color-border-light: rgba(255, 255, 255, 0.1);

  /* Typography - Montserrat */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Montserrat', sans-serif;

  /* Golden Ratio Spacing */
  --space-xs: 0.382rem;
  --space-sm: 0.618rem;
  --space-md: 1rem;
  --space-lg: 1.618rem;
  --space-xl: 2.618rem;
  --space-2xl: 4.236rem;
  --space-3xl: 6.854rem;

  /* Font Sizes - Golden Ratio Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.618rem;
  --text-3xl: 2.618rem;
  --text-4xl: 4.236rem;

  /* Layout */
  --container-max: 1280px;
  --border-radius-sm: 0.382rem;
  --border-radius-md: 0.618rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.618rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
  --shadow-md: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 1.618rem rgba(155, 89, 182, 0.3);
  --shadow-glow-strong: 0 0 2.618rem rgba(155, 89, 182, 0.5);

  /* Z-Index */
  --z-header: 100;
  --z-modal: 200;
  --z-tooltip: 300;
}

/* ===== GLOBAL STYLES ===== */
body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(155, 89, 182, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(142, 68, 173, 0.08) 0%, transparent 50%);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== HEADER - TOP STICKY ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(26, 21, 32, 0.95);
  backdrop-filter: blur(1rem);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.header-container {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-xl);
}

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

.logo-icon {
  width: 2.618rem;
  height: 2.618rem;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent-tertiary), var(--color-accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  justify-self: center;
}

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

.nav-link {
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent-primary);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.header-actions {
  display: flex;
  gap: var(--space-md);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--border-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  color: var(--color-text-primary);
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-accent-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent-tertiary);
  border-color: var(--color-accent-primary);
}

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

.btn-gold {
  background: linear-gradient(135deg, var(--color-accent-gold), #d4a00a);
  color: var(--color-text-inverse);
  border-color: var(--color-accent-gold);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 1.618rem rgba(241, 196, 15, 0.4);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-base);
}

/* ===== HERO SECTION - FULLSCREEN ===== */
.playground-hero {
  min-height: 90vh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(26, 21, 32, 0.9), rgba(36, 30, 42, 0.95)),
    url('images/hero-horses.jpg') center/cover no-repeat;
}

.hero-content {
  text-align: center;
  max-width: 50rem;
  padding: var(--space-2xl);
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(155, 89, 182, 0.2);
  border: 1px solid var(--color-accent-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-xl);
  font-size: var(--text-sm);
  color: var(--color-accent-tertiary);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent-tertiary);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== SECTION STYLES ===== */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 40rem;
  margin: 0 auto;
}

/* ===== FEATURED CONTENT ===== */
.arena-featured {
  background: var(--color-bg-secondary);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: var(--space-lg);
}

.video-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

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

.video-thumbnail {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--color-bg-tertiary);
  overflow: hidden;
}

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

.video-card:hover .video-thumbnail img {
  transform: scale(1.05);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 4rem;
  height: 4rem;
  background: rgba(155, 89, 182, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  opacity: 0;
  transition: all var(--transition-base);
}

.video-card:hover .video-play-btn {
  opacity: 1;
}

.video-duration {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  background: rgba(0, 0, 0, 0.8);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-xs);
}

.video-premium-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--color-accent-gold);
  color: var(--color-text-inverse);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
}

.video-info {
  padding: var(--space-md);
}

.video-title {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== CATEGORIES ===== */
.gallop-categories {
  background: var(--color-bg-primary);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-lg);
}

.category-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.category-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
}

.category-name {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.category-count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== INSTRUCTORS ===== */
.riders-instructors {
  background: var(--color-bg-secondary);
}

.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-lg);
}

.instructor-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  text-align: center;
}

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

.instructor-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--color-bg-tertiary);
}

.instructor-info {
  padding: var(--space-lg);
}

.instructor-name {
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.instructor-specialty {
  color: var(--color-accent-tertiary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
}

.instructor-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== PRICING ===== */
.stable-pricing {
  background: var(--color-bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: var(--space-lg);
  max-width: 60rem;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured::before {
  content: 'Mais Popular';
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent-gold);
  color: var(--color-text-inverse);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius-xl);
  font-size: var(--text-xs);
  font-weight: 700;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.pricing-name {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.pricing-price {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent-tertiary);
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-features {
  margin-bottom: var(--space-xl);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
}

.pricing-feature::before {
  content: '✓';
  color: var(--color-accent-success);
  font-weight: bold;
}

.pricing-action {
  text-align: center;
}

.pricing-action .btn {
  width: 100%;
}

/* ===== FAQ ===== */
.paddock-faq {
  background: var(--color-bg-secondary);
}

.faq-list {
  max-width: 50rem;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  padding: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-base);
}

.faq-question:hover {
  background: var(--color-bg-hover);
}

.faq-icon {
  font-size: var(--text-xl);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
  max-height: 20rem;
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.finish-line-cta {
  background: linear-gradient(135deg, var(--color-accent-secondary), var(--color-accent-primary));
  padding: var(--space-3xl) 0;
  text-align: center;
}

.cta-content {
  max-width: 40rem;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.cta-text {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

/* ===== CONTACT ===== */
.corral-contact {
  background: var(--color-bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  max-width: 60rem;
  margin: 0 auto;
}

.contact-info h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-lg);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-icon {
  width: 3rem;
  height: 3rem;
  background: var(--color-bg-card);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.contact-text h4 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.contact-text p {
  color: var(--color-text-secondary);
}

.contact-form {
  background: var(--color-bg-card);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(155, 89, 182, 0.2);
}

.form-textarea {
  min-height: 8rem;
  resize: vertical;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-bg-secondary);
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  color: var(--color-text-secondary);
  margin-top: var(--space-md);
  max-width: 20rem;
}

.footer-title {
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.footer-links a {
  display: block;
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-accent-tertiary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-legal a {
  margin-left: var(--space-lg);
  color: var(--color-text-secondary);
}

.footer-legal a:hover {
  color: var(--color-accent-tertiary);
}

/* ===== AUTH FORMS ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.auth-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-xl);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 28rem;
  border: 1px solid var(--color-border);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.auth-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.auth-subtitle {
  color: var(--color-text-secondary);
}

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

.auth-form .btn {
  width: 100%;
  margin-top: var(--space-md);
}

.auth-divider {
  text-align: center;
  margin: var(--space-lg) 0;
  position: relative;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.auth-divider span {
  background: var(--color-bg-card);
  padding: 0 var(--space-md);
  color: var(--color-text-muted);
  position: relative;
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-lg);
  color: var(--color-text-secondary);
}

.auth-footer a {
  color: var(--color-accent-tertiary);
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* ===== DASHBOARD ===== */
.dashboard-header {
  background: var(--color-bg-secondary);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.dashboard-welcome {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.welcome-info h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
}

.welcome-info p {
  color: var(--color-text-secondary);
}

.dashboard-content {
  padding: var(--space-xl) 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-lg);
}

.dashboard-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

.dashboard-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-md);
}

/* ===== ALERTS ===== */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-lg);
}

.alert-error {
  background: rgba(231, 76, 60, 0.2);
  border: 1px solid var(--color-accent-error);
  color: #e74c3c;
}

.alert-success {
  background: rgba(39, 174, 96, 0.2);
  border: 1px solid var(--color-accent-success);
  color: #27ae60;
}

/* ===== MOBILE MENU ===== */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: var(--space-sm);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .header-container {
    grid-template-columns: auto 1fr auto;
  }

  .nav-list {
    gap: var(--space-md);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --text-4xl: 2.618rem;
    --text-3xl: 2rem;
  }

  .header-container {
    grid-template-columns: auto auto;
  }

  .main-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .main-nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
  }

  .main-nav.active .nav-list {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .footer-legal {
    display: flex;
    gap: var(--space-md);
  }

  .footer-legal a {
    margin-left: 0;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

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

  .header-actions {
    gap: var(--space-sm);
  }

  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
  }
}

/* ===== ANIMATIONS - GLOW SHADOW ===== */
@keyframes glow-pulse {
  0%, 100% {
    box-shadow: var(--shadow-glow);
  }
  50% {
    box-shadow: var(--shadow-glow-strong);
  }
}

.video-card:hover,
.category-card:hover,
.instructor-card:hover {
  animation: glow-pulse 2s infinite;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fade-in-up 0.6s ease forwards;
}