:root {
  --primary-color: #2f9e44;
  --primary-dark: #3d8b40;
  --secondary-color: #263238;
  --text-color: #18191f;
  --text-light: #717171;
  --light-gray: #f5f7fa;
  --white: #ffffff;
  --border-color: #e8e8e8;

  --font-family: "Inter", sans-serif;
  --font-size-base: 16px;

  --container-padding: 1rem;
  --section-spacing: 5rem;

  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-large: 0 8px 24px rgba(0, 0, 0, 0.1);
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--white);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-color);
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--primary-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: var(--white);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

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

.btn-login:hover {
  color: var(--primary-dark);
}

.header {
  position: relative;
  top: 0;
  background-color: var(--white);
  box-shadow: var(--shadow-light);
  z-index: 1000;
  padding: 1rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 700;
  font-size: 1.5rem;
  gap: 0.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.parent {
  display: grid;
  grid-template-columns: repeat(2, 1fr) repeat(3, 0);
  grid-template-rows: 1fr repeat(4, 0);
  grid-column-gap: 0px;
  grid-row-gap: 0px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

.auth-buttons {
  display: flex;
  gap: 1rem;
}

.hero {
  background: var(--light-gray);
  padding: 80px 20px;
}

.hero-grid {
  max-width: 1100px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.hero-left h2 {
  font-size: 42px;
  margin-bottom: 20px;
}

.hero-left span {
  color: var(--primary-color);
}

.hero-left p {
  margin-bottom: 25px;
  color: #666;
}

.clients-zone {
  text-align: center;
  padding: 60px 20px;
}

.clients-row {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 30px;
}

.client-logo {
  padding: 20px 30px;
}

.primary-btn {
  background: #2f9e44;
  color: #fff;
  border: none;
  padding: 14px 28px;
  border-radius: 4px;
  cursor: pointer;
}

.features {
  padding: var(--section-spacing) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  background-color: var(--light-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.75rem;
  color: var(--primary-color);
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

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

/* ------------------------------------------ */
.community-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr) repeat(2, 0);
  grid-template-rows: 1fr repeat(4, 0);
  grid-column-gap: 0px;
  grid-row-gap: 0px;
}

.community-top {
  text-align: center;
  padding-bottom: 40px;
}

.about {
  padding: var(--section-spacing) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.stats-main-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.about-image {
  width: 100%;
}

.image-placeholder {
  width: 100%;
  height: 350px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

.placeholder-content {
  text-align: center;
}

.placeholder-content i {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.about-text {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.stats {
  padding: var(--section-spacing) 0;
}

.stats-header {
  text-align: center;
  margin-bottom: 4rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.stat-icon {
  width: 60px;
  height: 60px;
  background-color: var(--light-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-color);
}

.stat-label {
  color: var(--text-light);
}

.lessons {
  padding: var(--section-spacing) 0;
  background-color: var(--light-gray);
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.lessons-content {
  text-align: left;
}

.lessons-text {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

.clients {
  padding: var(--section-spacing) 0;
  text-align: center;
}

.clients-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  margin-top: 3rem;
}

.client-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  color: var(--text-color);
}

.client-logo i {
  font-size: 2.5rem;
  color: var(--primary-color);
}

.community {
  padding: 4rem 0;
  text-align: center;
  background-color: var(--light-gray);
}

.footer-design {
  padding: var(--section-spacing) 0;
}

.footer-design-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.footer-design-text {
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.testimonial {
  padding: var(--section-spacing) 0;
  background-color: var(--light-gray);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.testimonial-image img {
  width: 100%;
  max-width: 400px;
  border-radius: 8px;
  box-shadow: var(--shadow-large);
  display: block;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-color);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-weight: 500;
}

.testimonial-author {
  color: var(--primary-color);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.testimonial-role {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.testimonial-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.testimonial-logos {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.testimonial-logos img {
  height: 30px;
  width: auto;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.testimonial-logos img:hover {
  opacity: 1;
}

.meet-all-link {
  color: var(--primary-color);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.meet-all-link:hover {
  color: var(--primary-dark);
}

.blog {
  padding: var(--section-spacing) 0;
  background-color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
}

.section-header .section-title {
  font-size: 2.25rem;
  color: var(--text-color);
  margin-bottom: 1rem;
}

.section-header .section-subtitle {
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.6;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 2rem;
}

.blog-card {
  position: relative;
  border: none;
  background: transparent;
  box-shadow: none;
  transition: transform 0.3s ease;
}

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

.blog-image {
  width: 100%;
  height: 250px;
  border-radius: 8px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-content {
  background-color: #f5f7fa;
  width: 90%;
  margin: -60px auto 0 auto;
  position: relative;
  z-index: 10;

  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;

  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease;
}

.blog-card:hover .blog-content {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.blog-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;

  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: gap 0.3s ease;
}

.blog-link i {
  font-size: 1.1rem;
}

.blog-link:hover {
  gap: 0.8rem;
  color: var(--primary-dark);
}

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-content {
    width: 95%;
  }
}

.cta {
  padding: var(--section-spacing) 0;
  background-color: var(--light-gray);
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.footer {
  padding: 4rem 0 2rem;
  background-color: var(--secondary-color);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer .logo {
  color: var(--white);
}

.copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.social-links a:hover {
  background-color: var(--primary-color);
}

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

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.newsletter {
  display: flex;
  margin-top: 1rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 6px 0 0 6px;
  font-family: var(--font-family);
}

.newsletter-btn {
  color: transparent;
  border: none;
  padding: 0 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.cta-zone {
  padding: 80px 20px;
  text-align: center;
}

@media (max-width: 1024px) {
  .section-title {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-medium);
    z-index: 999;
  }

  .nav-menu.active {
    display: flex;
  }

  .auth-buttons {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .about-grid,
  .lessons-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .clients-logos {
    gap: 2rem;
  }
}

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

  .hero-title {
    font-size: 1.875rem;
  }

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

@media (max-width: 900px) {
  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .testimonial-image {
    display: flex;
    justify-content: center;
  }

  .testimonial-footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}