@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #0F172A;
  --color-secondary: #1E293B;
  --color-accent: #BEF264;
  --color-accent-hover: #a3d94d;
  --color-text: #1a1a1a;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-white: #ffffff;
  --color-error: #ef4444;
  --color-success: #22c55e;

  --font-family: 'Space Grotesk', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-accent: 0 10px 20px rgba(190, 242, 100, 0.3);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  --max-width: 1280px;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

ul { list-style: none; }

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

.section { padding: var(--space-3xl) 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-height: 48px;
  min-width: 48px;
}

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

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

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

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

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

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  transition: var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  border-radius: var(--radius-sm);
}

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

.nav-link {
  font-weight: 500;
  color: var(--color-primary);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle-icon {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  left: 0;
}

.nav-toggle-icon::before { top: -8px; }
.nav-toggle-icon::after { bottom: -8px; }

.hero {
  padding-top: 160px;
  padding-bottom: var(--space-3xl);
  background-color: var(--color-primary);
  color: var(--color-white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(190, 242, 100, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content h1 { color: var(--color-white); }
.hero-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xl);
  max-width: 600px;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.4), transparent);
}

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

.course-card {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.1);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.course-image-wrapper {
  aspect-ratio: 16/9;
  overflow: hidden;
}

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

.course-card:hover .course-image { transform: scale(1.1); }

.course-content {
  padding: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.course-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.course-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.course-description {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.course-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(15, 23, 42, 0.05);
}

.course-info {
  display: flex;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.course-link {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.course-link:hover { color: var(--color-accent-hover); }

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

.testimonial-section h2 { color: var(--color-white); }

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background-color: var(--color-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 4rem;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.3;
}

.testimonial-quote {
  font-size: 1.125rem;
  font-style: italic;
  margin-bottom: var(--space-lg);
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-info h4 {
  margin-bottom: 0.25rem;
  color: var(--color-accent);
  font-size: 1rem;
}

.author-info p {
  margin-bottom: 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  margin-bottom: var(--space-md);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-primary);
}

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

.faq-answer-inner {
  padding-bottom: var(--space-lg);
  color: var(--color-text-light);
}

.faq-item.active .faq-answer { max-height: 500px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }

.faq-icon {
  width: 24px;
  height: 24px;
  position: relative;
  transition: var(--transition-base);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::before { width: 16px; height: 2px; }
.faq-icon::after { width: 2px; height: 16px; }

.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .logo { color: var(--color-white); margin-bottom: var(--space-lg); }
.footer-brand p { color: rgba(255, 255, 255, 0.7); font-size: 0.9375rem; }

.footer-title {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links li { margin-bottom: var(--space-sm); }
.footer-links a { color: rgba(255, 255, 255, 0.7); font-size: 0.9375rem; }
.footer-links a:hover { color: var(--color-accent); }

.footer-contact p {
  display: flex;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

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

.contact-section-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
}

.contact-info-list {
  margin-bottom: var(--space-2xl);
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
  background-color: var(--color-secondary);
}

.contact-text h4 { margin-bottom: 0.25rem; font-size: 1.125rem; }
.contact-text p { margin-bottom: 0; color: var(--color-text-light); }

.contact-form-wrapper {
  background-color: var(--color-bg-alt);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--color-primary);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  font-family: var(--font-family);
  transition: var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(190, 242, 100, 0.2);
}

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

.form-notice {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: var(--space-md);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
}

.team-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.team-image-wrapper {
  aspect-ratio: 4/5;
  overflow: hidden;
}

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

.team-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.9);
  color: var(--color-white);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
  backdrop-filter: blur(4px);
}

.team-card:hover .team-overlay { opacity: 1; }
.team-card:hover .team-image { transform: scale(1.1); }

.team-name { color: var(--color-accent); margin-bottom: 0.25rem; font-size: 1.5rem; }
.team-role { font-weight: 500; margin-bottom: var(--space-md); font-size: 0.875rem; text-transform: uppercase; color: rgba(255, 255, 255, 0.7); }
.team-bio { font-size: 0.9375rem; line-height: 1.5; }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-lg) 0;
  z-index: 2000;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-banner.show { transform: translateY(0); }

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

.cookie-text { font-size: 0.875rem; color: rgba(255, 255, 255, 0.8); flex-grow: 1; }
.cookie-text a { color: var(--color-accent); text-decoration: underline; }

.cookie-btns { display: flex; gap: var(--space-md); flex-shrink: 0; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.legal-content {
  max-width: 900px;
  margin: 0 auto;
}

.legal-content h2 { margin-top: var(--space-2xl); }
.legal-content h3 { margin-top: var(--space-xl); }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-section-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-inner { height: 70px; }
  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--space-2xl);
    gap: var(--space-xl);
    transform: translateX(100%);
    transition: var(--transition-base);
  }
  .nav.active { transform: translateX(0); }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; gap: var(--space-lg); text-align: center; }
  .cookie-inner { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}