:root {
  --primary-color: #5d5dff; /* Насичений синьо-фіолетовий */
  --secondary-color: #3b3bff; /* Трохи темніший синій */
  --text-color: #333;
  --light-text-color: #f0f0f0;
  --background-light: #f9f9f9;
  --background-dark: #1e1e3f; /* Темний фон */
  --accent-color: #ff6b6b; /* Акцентний червоний */
  --border-radius: 8px;
  --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Roboto Mono', monospace;
}

/* Base Styles & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-color);
  line-height: 1.6;
  background-color: #ffffff;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
}

h2 {
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 2rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.content-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4rem 0;
}

/* Buttons */
.cta-main-button, .cookie-accept-button, .submit-form-button {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--primary-color);
  color: var(--light-text-color);
  border: none;
  border-radius: 50px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.cta-main-button:hover, .cookie-accept-button:hover, .submit-form-button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
}

.link-more, .learn-more-link, .program-details-link {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
  display: inline-block;
  margin-top: 1rem;
}

.link-more:hover, .learn-more-link:hover, .program-details-link:hover {
  text-decoration: underline;
}


/* --- Cookie Notice --- */
.cookie-container {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--background-dark);
  color: var(--light-text-color);
  padding: 1rem 0;
  z-index: 1000;
  transition: transform 0.4s ease-in-out;
  transform: translateY(0);
}

.cookie-container.hidden {
  transform: translateY(100%);
}

.cookie-content-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.cookie-content-wrapper h3 {
  font-size: 1.2rem;
}

.cookie-content-wrapper p {
  font-size: 0.9rem;
  margin-left: 1rem;
}

.cookie-link {
  color: var(--accent-color);
  text-decoration: underline;
}

/* --- Header & Navigation --- */
.page-header {
  background-color: #fff;
  padding: 1rem 0;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 999;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-brand a {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.main-navigation ul {
  list-style: none;
  display: flex;
}

.main-navigation li a {
  font-weight: 600;
  margin-left: 2rem;
  font-size: 0.95rem;
  color: var(--text-color);
}

.main-navigation li a:hover {
  color: var(--primary-color);
}

.mobile-menu-btn {
  display: none;
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
}

.mobile-menu {
  background-color: #fff;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding: 1rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.mobile-menu.hidden {
  display: none;
}

.mobile-nav-links {
  list-style: none;
  text-align: center;
}

.mobile-nav-links li {
  padding: 0.75rem 0;
  border-bottom: 1px solid #f0f0f0;
}

/* --- Hero Section --- */
.hero-intro-section {
  position: relative;
  padding: 6rem 0;
  color: var(--text-color);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(93, 93, 255, 0.2), rgba(255, 255, 255, 0));
  z-index: -1;
}

.hero-layout {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.hero-text-content {
  flex: 1;
}

.hero-text-content h1 {
  margin-bottom: 1rem;
}

.hero-text-content p {
  font-size: 1.15rem;
  margin-bottom: 2rem;
}

.hero-image-container {
  flex: 1;
  text-align: right;
}

.hero-image-container img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

/* --- Value Propositions Section --- */
.value-propositions {
  background-color: var(--background-light);
}

.propositions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.proposition-card {
  background-color: #fff;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: transform 0.3s ease;
}

.proposition-card:hover {
  transform: translateY(-5px);
}

.proposition-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* --- Specialization Sections --- */
.specialization-section, .deep-dive-section {
  background-color: #fff;
}

.specialization-layout, .deep-dive-layout {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.specialization-info, .deep-dive-info {
  flex: 1;
}

.specialization-media, .deep-dive-media {
  flex: 1;
}

.specialization-media img, .deep-dive-media img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.specialization-info h2, .deep-dive-info h2 {
  text-align: left;
  margin-bottom: 1rem;
}

/* --- Program Options Section --- */
.program-options-section {
  background-color: var(--background-light);
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.program-card {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.program-card:hover {
  transform: translateY(-5px);
}

.program-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.program-card-content {
  padding: 1.5rem;
}

.program-card h3 {
  font-size: 1.3rem;
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
}

/* --- Success Stories Section --- */
.success-stories-section {
  background-color: #fff;
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.story-card {
  background-color: var(--background-dark);
  color: var(--light-text-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.story-card p {
  font-style: italic;
  margin-bottom: 1.5rem;
}

.student-profile {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.student-profile img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-color);
}

.student-profile h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

.student-profile span {
  font-size: 0.9rem;
  color: var(--accent-color);
}

/* --- Inquiry Form Section --- */
.inquiry-form-section {
  background-color: var(--background-light);
}

.inquiry-form-section h2, .inquiry-form-section p {
  text-align: center;
}

.inquiry-form-section p {
  max-width: 600px;
  margin: 0.5rem auto 2rem;
}

.form-wrapper {
  max-width: 600px;
  margin: 0 auto;
  background-color: #fff;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.form-field-group {
  margin-bottom: 1.5rem;
}

.form-field-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-field-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: var(--font-body);
}

#form-success-message {
  text-align: center;
  color: green;
  padding: 1rem;
  border: 1px solid green;
  border-radius: 4px;
  background-color: #e6ffe6;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--background-dark);
  color: var(--light-text-color);
  padding: 3rem 0 1.5rem;
}

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

.footer-details h3 {
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.footer-contact-info p {
  margin-top: 0.5rem;
}

.footer-contact-info a {
  color: #fff;
  font-weight: normal;
}

.footer-contact-info a:hover {
  color: var(--accent-color);
}

.footer-nav-links h4, .legal-info h4 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.footer-nav-links ul, .legal-info ul {
  list-style: none;
}

.footer-nav-links li, .legal-info li {
  margin-bottom: 0.5rem;
}

.footer-nav-links a, .legal-info a {
  color: #fff;
  font-weight: normal;
}

.footer-nav-links a:hover, .legal-info a:hover {
  text-decoration: underline;
}

.footer-copyright {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #444;
}

/* --- Media Queries --- */
@media (max-width: 768px) {
  .main-navigation {
      display: none;
  }

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

  .hero-layout, .specialization-layout, .deep-dive-layout {
      flex-direction: column;
      text-align: center;
  }

  .hero-text-content, .specialization-info, .deep-dive-info {
      text-align: center;
  }

  .specialization-media, .deep-dive-media {
      order: -1;
  }

  .specialization-info h2, .deep-dive-info h2 {
      text-align: center;
  }

  h1 {
      font-size: 2.5rem;
  }

  h2 {
      font-size: 1.8rem;
  }

  .cookie-content-wrapper {
      flex-direction: column;
      text-align: center;
  }

  .cookie-content-wrapper p {
      margin: 1rem 0;
  }
}