/* AprendeIT - Modern IT Courses Website Styles */
/* ============================================= */

/* CSS Variables */
:root {
  --primary-color: #0095FF;
  --primary-dark: #0F4C81;
  --primary-light: #66CCFF;
  --secondary-color: #1E293B;
  --text-dark: #0F172A;
  --text-light: #64748B;
  --bg-light: #F8FAFC;
  --white: #FFFFFF;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
}

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

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

ul {
  list-style: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
  pointer-events: none;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../img/img_924589ad.jpg') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
  border: none;
}

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

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

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

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

/* Services Section */
.services {
  padding: 80px 0;
  background: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  transform: scaleX(0);
  transition: var(--transition);
  pointer-events: none;
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--white);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-dark);
}

.service-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.service-card .btn-link {
  color: var(--primary-color);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.service-card .btn-link:hover {
  gap: 12px;
}

/* Features Section */
.features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 20px;
  color: var(--white);
}

.feature-item h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--primary-dark);
}

.feature-item p {
  color: var(--text-light);
}

/* Team Section */
.team {
  padding: 80px 0;
  background: var(--bg-light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.team-member {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.team-member img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.team-info {
  padding: 24px;
  text-align: center;
}

.team-info h3 {
  font-size: 1.25rem;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.team-info p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Blog Section */
.blog {
  padding: 80px 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.blog-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

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

.blog-content {
  padding: 24px;
}

.blog-meta {
  display: flex;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.blog-content h3 {
  font-size: 1.375rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-content p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.blog-content .btn-link {
  color: var(--primary-color);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.blog-content .btn-link:hover {
  gap: 12px;
}

/* Article Page */
.article-hero {
  padding: 60px 0 40px;
  background: var(--bg-light);
}

.article-header h1 {
  font-size: 2.5rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  gap: 24px;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.article-featured-img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 40px;
}

.article-content {
  padding: 40px 0;
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  font-size: 2rem;
  color: var(--primary-dark);
  margin: 2rem 0 1rem;
}

.article-content h3 {
  font-size: 1.5rem;
  color: var(--primary-dark);
  margin: 1.5rem 0 0.75rem;
}

.article-content p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
  color: var(--text-dark);
  font-size: 1.05rem;
}

.article-content ul, .article-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.article-content li {
  margin-bottom: 0.75rem;
  line-height: 1.7;
  color: var(--text-dark);
  list-style: disc;
}

.article-content ol li {
  list-style: decimal;
}

/* Contact Section */
.contact {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 40px;
}

.contact-info h3 {
  font-size: 1.5rem;
  color: var(--primary-dark);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1rem;
  color: var(--primary-dark);
  margin-bottom: 0.25rem;
}

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

.contact-form {
  background: var(--bg-light);
  padding: 40px;
  border-radius: 12px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-dark);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #E2E8F0;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

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

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

.map-container {
  margin-top: 60px;
  border-radius: 12px;
  overflow: hidden;
  height: 400px;
  background: var(--bg-light);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
footer {
  background: var(--secondary-color);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-section p {
  color: #94A3B8;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: #94A3B8;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 20px;
  text-align: center;
  color: #94A3B8;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--secondary-color);
  color: var(--white);
  padding: 20px;
  box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  display: none;
}

.cookie-banner.active {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.cookie-content p {
  margin: 0;
  color: #94A3B8;
}

.cookie-actions {
  display: flex;
  gap: 12px;
}

.cookie-actions .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: 40px 20px;
    gap: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    left: 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.125rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .services-grid,
  .features-grid,
  .team-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-header h1 {
    font-size: 1.875rem;
  }

  .article-meta {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

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

  .btn {
    width: 100%;
    text-align: center;
  }
}