/* Вміст файлу styles.css, додано нові стилі для оновлених секцій */

/* Base Styles & Typography */
:root {
  /* Nueva paleta de colores */
  --primary-color: #3f51b5;   /* Azul índigo - para encabezados, fondo del hero, footer */
  --secondary-color: #03a9f4; /* Azul cielo - para botones CTA, enlaces, énfasis */
  --accent-color: #ff9800;    /* Naranja ámbar - para botones de acción importantes, hover */
  --light-bg: #e8f5e9;        /* Verde menta muy claro - fondo general de secciones */
  --dark-bg: #263238;         /* Azul oscuro casi negro - texto oscuro, algunos elementos de footer */
  --text-color: #424242;      /* Gris oscuro - texto principal */
  --light-text: #ffffff;      /* Blanco puro - texto sobre fondos oscuros */
  --border-color: #c5e1a5;    /* Verde claro - para bordes sutiles */
  --shadow: 0 6px 15px rgba(0, 0, 0, 0.15); /* Sombra más pronunciada */
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
}
img {
  width: 100%;
  max-width: 700px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  color: var(--primary-color);
  line-height: 1.2;
  margin-bottom: 0.5em;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 2em;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  font-size: 1rem;
  margin-bottom: 1em;
}

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

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

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

/* Header & Navigation */
header {
  background-color: #fff;
  padding: 1.5rem 0;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo a {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--primary-color);
}

.desktop-nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

.desktop-nav a {
  font-weight: 500;
  color: var(--primary-color);
  padding: 5px 0;
  border-bottom: 2px solid transparent;
  transition: border-bottom 0.3s ease;
}

.desktop-nav a:hover {
  border-bottom-color: var(--secondary-color);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--primary-color);
}

.mobile-nav {
  background-color: #fff;
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.mobile-nav ul {
  list-style: none;
}

.mobile-nav li {
  margin-bottom: 15px;
}

.mobile-nav a {
  display: block;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--primary-color);
  padding: 10px;
}

/* Hero Section */
.hero-section {
  position: relative;
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 100px 0;
  overflow: hidden;
}

.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../images/code-bg.jpg') no-repeat center center/cover;
  opacity: 0.15;
  z-index: 1;
}

.hero-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.hero-left {
  flex: 1;
}

.hero-left h1 {
  color: #fff;
  font-size: 3rem;
  margin-bottom: 0.5em;
}

.hero-left p {
  font-size: 1.2rem;
  margin-bottom: 2em;
  max-width: 600px;
}

.hero-right {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-right img {
  max-width: 500px;
  filter: drop-shadow(0 0 10px rgba(0,0,0,0.5));
}

.cta-button {
  background-color: var(--accent-color);
  color: #fff;
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: bold;
  display: inline-block;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-button:hover {
  background-color: #c0392b;
  transform: translateY(-3px);
}

/* Sections */
main section {
  padding: 80px 0;
}

.benefits-section, .testimonials-section {
  background-color: #fff;
}

.benefits-grid, .courses-grid, .testimonials-grid {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.benefit-card, .course-card, .testimonial-card {
  background-color: var(--light-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease;
}

.benefit-card:hover, .course-card:hover {
  transform: translateY(-10px);
}

.benefit-card h3 {
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.course-card {
  text-align: left;
  background-color: #fff;
}

.course-card img {
  border-radius: 8px;
  margin-bottom: 15px;
}

.course-card h3 {
  font-size: 1.4rem;
}

.course-card p {
  color: #555;
}

.testimonial-card {
  background-color: #f0f0f0;
  text-align: left;
  font-style: italic;
  border-left: 5px solid var(--secondary-color);
  padding: 25px;
}

.student-info {
  display: flex;
  align-items: center;
  margin-top: 15px;
}

.student-info img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-right: 15px;
  object-fit: cover;
}

.student-info h4 {
  margin: 0;
  font-weight: 600;
}

.student-info span {
  font-size: 0.9rem;
  color: #777;
}

/* Contact Form Section */
.form-section {
  background: linear-gradient(135deg, #3f51b5, #607d8b); /* Градієнт з індиго-синього в синьо-сірий */
  color: var(--light-text);
  text-align: center;
}

.form-section h2 {
  color: #fff;
}

.form-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.form-section form {
  max-width: 600px;
  margin: 0 auto;
  background-color: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.form-group {
  text-align: left;
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--text-color);
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 1rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--secondary-color);
}

.submit-button {
  width: 100%;
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 15px;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.submit-button:hover {
  background-color: #c0392b;
}

.form-message {
  margin-top: 20px;
  font-weight: bold;
  color: var(--secondary-color);
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info h3 {
  color: #fff;
  margin-bottom: 15px;
}

.footer-info p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.contact-info {
  margin-top: 20px;
}

.contact-info h4 {
  color: #fff;
  margin-bottom: 10px;
}

.contact-info a {
  color: #fff;
  text-decoration: underline;
}

.footer-nav h4, .footer-policies h4 {
  color: #fff;
  margin-bottom: 15px;
}

.footer-nav ul, .footer-policies ul {
  list-style: none;
}

.footer-nav li, .footer-policies li {
  margin-bottom: 10px;
}

.footer-nav a, .footer-policies a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.modal-content {
  background-color: #fff;
  padding: 40px;
  border-radius: 10px;
  max-width: 500px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow);
}

.modal-content h2 {
  margin-bottom: 1em;
}

.modal-content p {
  margin-bottom: 1.5em;
  color: var(--text-color);
}

.modal-content button {
  background-color: var(--secondary-color);
  color: #fff;
  border: none;
  padding: 12px 25px;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.modal-content button:hover {
  background-color: var(--accent-color);
}

.hidden {
  display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
      font-size: 2rem;
  }
  h2 {
      font-size: 1.8rem;
  }
  .desktop-nav {
      display: none;
  }
  .mobile-nav-toggle {
      display: block;
  }
  .mobile-nav.visible {
      display: block;
  }
  .hero-content {
      flex-direction: column;
      text-align: center;
  }
  .hero-left {
      order: 2;
  }
  .hero-right {
      order: 1;
      margin-bottom: 30px;
  }
  .cta-button {
      padding: 12px 25px;
  }
  .benefits-grid, .courses-grid, .testimonials-grid {
      grid-template-columns: 1fr;
  }
  .footer-grid {
      grid-template-columns: 1fr;
      text-align: center;
  }
  .footer-nav ul, .footer-policies ul {
      padding-left: 0;
  }
}

/* Додайте ці стилі в кінець вашого файлу styles.css */

.web3-section, .smart-contracts-section {
  padding: 80px 0;
  background-color: var(--light-text);
}

.web3-content, .smart-contracts-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.web3-text, .smart-contracts-text {
  flex: 1;
}

.web3-image, .smart-contracts-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.web3-image img, .smart-contracts-image img {
  max-width: 500px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.web3-text h2, .smart-contracts-text h2 {
  font-size: 2.2rem;
  text-align: left;
  margin-bottom: 0.7em;
  color: var(--primary-color);
}

.web3-text p, .smart-contracts-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5em;
  color: var(--text-color);
}

.link-more {
  font-weight: bold;
  color: var(--secondary-color);
  transition: color 0.3s ease;
}

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

/* Адаптація для мобільних пристроїв */
@media (max-width: 768px) {
  .web3-content, .smart-contracts-content {
      flex-direction: column;
      text-align: center;
  }

  .web3-text, .smart-contracts-text {
      order: 2;
  }

  .web3-image, .smart-contracts-image {
      order: 1;
      margin-bottom: 30px;
  }

  .web3-text h2, .smart-contracts-text h2 {
      text-align: center;
  }
}