:root {
  --color-white: #FFFFFF;
  --color-light-grey: #F4F6F8;
  --color-primary-blue: #4C7EFF;
  --color-accent-yellow: #F9B234;
  --color-deep-navy: #1E1E2F;
  --color-divider: #EDEDED;
  
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  --transition-base: 0.3s ease;
  
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-deep-navy);
  background-color: var(--color-white);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--color-deep-navy);
}

h1 { font-size: clamp(1.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p {
  margin-bottom: var(--spacing-sm);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

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

a:hover {
  color: var(--color-accent-yellow);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-blue);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-menu a {
  color: var(--color-deep-navy);
  font-weight: 500;
  text-transform: capitalize;
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary-blue);
  transition: var(--transition-base);
}

.nav-menu a:hover::after {
  width: 100%;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-xs);
}

.burger span {
  width: 1.5rem;
  height: 2px;
  background-color: var(--color-deep-navy);
  transition: var(--transition-base);
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary-blue) 0%, #6B92FF 50%, var(--color-accent-yellow) 100%);
  padding: var(--spacing-xl) var(--spacing-md);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  color: var(--color-white);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero p {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
  font-size: 0.875rem;
}

.btn-primary {
  background-color: var(--color-accent-yellow);
  color: var(--color-deep-navy);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: #FFBF47;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary-blue);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background-color: var(--color-light-grey);
  transform: translateY(-2px);
}

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

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

.section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-alt {
  background-color: var(--color-light-grey);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

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

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: #5A5A6B;
  max-width: 700px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-deep-navy);
}

.card-text {
  color: #5A5A6B;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
}

.instructor-card {
  text-align: center;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.instructor-card:hover {
  box-shadow: var(--shadow-md);
}

.instructor-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-sm);
  border: 4px solid var(--color-primary-blue);
}

.instructor-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.instructor-specialty {
  color: var(--color-primary-blue);
  font-weight: 500;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.instructor-bio {
  color: #5A5A6B;
  font-size: 0.9375rem;
}

.about-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.about-text h2 {
  margin-bottom: var(--spacing-md);
}

.about-features {
  display: grid;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.why-choose .section-header h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
}

.why-choose .section-header p {
  max-width: 520px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.feature-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary-blue);
  flex-shrink: 0;
}

.testimonial-card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: #5A5A6B;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-deep-navy);
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--color-primary-blue);
}

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

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

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-deep-navy);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--color-divider);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-blue);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.form-checkbox input {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
}

.form-checkbox label {
  font-size: 0.875rem;
  color: #5A5A6B;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.location-details {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: var(--spacing-sm);
}

.info-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.info-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary-blue);
  flex-shrink: 0;
}

.footer {
  background-color: var(--color-deep-navy);
  color: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
}

.footer-section a:hover {
  color: var(--color-accent-yellow);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.legal-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.legal-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.cookie-popup {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  max-width: 400px;
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  display: none;
  animation: slideUp 0.4s ease;
}

.cookie-popup.show {
  display: block;
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-popup h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.cookie-popup p {
  font-size: 0.875rem;
  color: #5A5A6B;
  margin-bottom: var(--spacing-md);
}

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

.cookie-buttons .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

.tabs {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 2px solid var(--color-divider);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.tab-button {
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-weight: 500;
  color: #5A5A6B;
  cursor: pointer;
  transition: var(--transition-base);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}

.tab-button.active {
  color: var(--color-primary-blue);
  border-bottom-color: var(--color-primary-blue);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-content.active {
  display: block;
}

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

.message-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.message-content {
  max-width: 600px;
}

.message-content h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-sm);
}

.legal-page {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  background-color: var(--color-white);
  color: var(--color-deep-navy);
  font-family: var(--font-body);
  line-height: 1.7;
}

.legal-page h1 {
  color: var(--color-deep-navy);
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-primary-blue);
  padding-bottom: var(--spacing-sm);
}

.legal-page h2 {
  color: var(--color-deep-navy);
  font-family: var(--font-heading);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-page p {
  color: #5A5A6B;
  margin-bottom: var(--spacing-sm);
}

.legal-page ul {
  list-style: disc;
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-page li {
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: none;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    align-items: flex-start;
    transform: translateX(100%);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .burger {
    display: flex;
  }
  
  .hero {
    min-height: 70vh;
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .cookie-popup {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
    max-width: none;
  }
  
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .about-image-container {
    justify-self: center;
  }

  .about-text {
    display: grid;
    gap: var(--spacing-sm);
  }

  .about-features {
    gap: var(--spacing-sm);
  }

  .contact-info {
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }
  
  .header-container {
    padding: var(--spacing-sm);
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 360px) {
  :root {
    font-size: 13px;
  }

  .section {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .contact-form {
    padding: var(--spacing-sm);
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .testimonial-card {
    padding: var(--spacing-sm);
  }

  .footer {
    padding: var(--spacing-lg) var(--spacing-sm) var(--spacing-sm);
  }
}

.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.hidden { display: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}