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

body {
  font-family: "Quicksand", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
}

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

/* Header & Navigation */
header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
}

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

.nav-links a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s;
}

.nav-links a:hover {
  opacity: 0.8;
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-banner {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 20px;
}

.slogan {
  font-family: "Caveat", cursive;
  font-size: 1.8rem;
  color: white;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.7);
  animation: fadeInUp 0.8s ease;
  background: rgba(0, 0, 0, 0.5);
  padding: 20px 30px;
  border-radius: 10px;
  max-width: 800px;
}

/* About Section */
.about {
  padding: 80px 0;
  background: #fff;
}

.about h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-content {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.profile-picture {
  flex-shrink: 0;
}

.profile-image {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text {
  flex: 1;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #666;
  margin-bottom: 1rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* Services Section */
.services {
  padding: 80px 0;
  background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.services h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
  color: #333;
}

.promo-banner {
  background: white;
  padding: 1.25rem 1.75rem;
  border-radius: 10px;
  margin: 0 auto 3rem;
  max-width: 700px;
  text-align: center;
  font-size: 1.05rem;
  color: #555;
  border-left: 4px solid #667eea;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.services-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 600px;
  margin: 0 auto;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  margin-bottom: 1rem;
  color: #333;
}

.service-card p {
  color: #666;
  margin-bottom: 1.5rem;
}

.pricing {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
}

.pricing-footer {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 1rem;
  color: #495057;
  font-style: italic;
}

.price-option {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
  transition: transform 0.2s;
}

.price-option:hover {
  transform: scale(1.02);
}

.price-value {
  padding: 0.65rem 1.25rem;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  white-space: nowrap;
}

.investment-pill {
  background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
  color: #78350f;
}

.trial-lesson-link {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-decoration: none;
  text-align: center;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.services .container > .trial-lesson-link {
  display: block;
  width: fit-content;
  margin: 0 auto 2.5rem;
}

.trial-lesson-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.contact h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: #333;
}

.contact-subtitle {
  text-align: center;
  margin-bottom: 3rem;
  color: #666;
}

.contact-form {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.form-section-title {
  font-size: 1.4rem;
  color: #333;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #667eea;
}

.form-section-title:first-of-type {
  margin-top: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 0.5fr;
  gap: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #667eea;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.radio-option {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
}

.radio-option:hover {
  border-color: #667eea;
  background: #f8f9ff;
}

.radio-option input[type="radio"] {
  width: auto;
  margin-right: 10px;
  cursor: pointer;
}

.radio-option span {
  font-weight: 500;
  color: #333;
}

.duration-options {
  display: flex;
  gap: 0.5rem;
  max-width: 400px;
}

.duration-box {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.5rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  background: white;
  flex: 1;
}

.duration-box:hover {
  border-color: #667eea;
  background: #f8f9ff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.duration-box input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.duration-box input[type="radio"]:checked + .duration-content {
  color: white;
}

.duration-box input[type="radio"]:checked ~ .duration-content .duration-time,
.duration-box input[type="radio"]:checked ~ .duration-content .duration-label {
  color: white;
}

.duration-box:has(input[type="radio"]:checked) {
  border-color: #667eea;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.duration-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.duration-time {
  font-size: 1.5rem;
  font-weight: 700;
  color: #333;
  transition: color 0.3s;
}

.duration-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: #666;
  transition: color 0.3s;
}

.time-grid {
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
}

.time-grid-header {
  display: grid;
  grid-template-columns: 100px repeat(5, 1fr);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-weight: 600;
  text-align: center;
}

.time-grid-header > div {
  padding: 12px 8px;
}

.time-slot-row {
  display: grid;
  grid-template-columns: 100px repeat(5, 1fr);
  border-top: 1px solid #e0e0e0;
}

.time-slot-row:first-of-type {
  border-top: none;
}

.time-label {
  padding: 12px 15px;
  font-weight: 500;
  color: #333;
  background: #f8f9fa;
  display: flex;
  align-items: center;
  border-right: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
}

.time-slot-row:last-of-type .time-label {
  border-bottom: none;
}

.time-slot-row label {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  margin: 0;
  border-right: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
  cursor: pointer;
  transition: all 0.3s;
  background: white;
  height: 100%;
  box-sizing: border-box;
}

.time-slot-row label:last-child {
  border-right: none;
}

.time-slot-row:last-of-type label {
  border-bottom: none;
}

.time-slot-row label:hover {
  background: #f8f9ff;
  transform: scale(1.05);
}

.time-slot-row input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.time-slot-row label::after {
  content: "";
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e0e0e0;
  transition: all 0.3s;
}

.time-slot-row input[type="checkbox"]:checked + label::after,
.time-slot-row label:has(input[type="checkbox"]:checked)::after {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.time-slot-row input[type="checkbox"]:checked ~ *,
.time-slot-row label:has(input[type="checkbox"]:checked) {
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
}

.submit-button {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  margin-top: 1rem;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* Footer */
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 2rem 0;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero-banner {
    height: 350px;
  }

  .slogan {
    font-size: 1.3rem;
    padding: 15px 20px;
  }

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

  .profile-image {
    width: 200px;
    height: 200px;
  }

  .about h2,
  .services h2,
  .contact h2 {
    font-size: 2rem;
  }

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

  .promo-banner {
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-row-3 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .form-section-title {
    font-size: 1.2rem;
  }

  .time-grid-header,
  .time-slot-row {
    grid-template-columns: 70px repeat(5, 1fr);
    font-size: 0.85rem;
  }

  .time-label {
    padding: 10px 8px;
    font-size: 0.85rem;
  }

  .time-slot-row label {
    padding: 8px;
  }

  .time-slot-row label::after {
    width: 20px;
    height: 20px;
  }

  .duration-options {
    gap: 0.5rem;
    max-width: 350px;
  }

  .duration-box {
    padding: 0.65rem 0.4rem;
  }

  .duration-time {
    font-size: 1.35rem;
  }

  .price-value {
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.2rem;
  }

  .nav-links {
    gap: 0.5rem;
    font-size: 0.8rem;
  }

  .hero-banner {
    height: 300px;
  }

  .slogan {
    font-size: 1.75rem;
  }

  .profile-image {
    width: 180px;
    height: 180px;
  }

  .duration-options {
    gap: 0.5rem;
    max-width: 100%;
  }

  .duration-box {
    padding: 0.75rem 0.5rem;
  }

  .duration-time {
    font-size: 1.35rem;
  }

  .duration-label {
    font-size: 0.7rem;
  }
}