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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #a8d8d8 0%, #7eccc4 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: #333;
  overflow-y: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.background-decoration {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%);
  background-size: 60px 60px;
  background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1000px;
}

.profile-card {
  background: white;
  border-radius: 0 0 24px 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  padding: 40px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

/* New left column styling */
.left-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.right-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-nav {
  background: white;
  border-radius: 24px 24px 0 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 16px 40px;
  margin-bottom: -1px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s ease;
  position: relative;
  padding-bottom: 6px;
}

.nav-link:hover,
.nav-link:focus {
  color: #7eccc4;
  outline: none;
}

.nav-link.active {
  color: #7eccc4;
  border-bottom: 2px solid #7eccc4;
}

.about-card,
.contact-card {
  background: white;
  border-radius: 0 0 24px 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  padding: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.about-header,
.contact-header {
  text-align: center;
  margin-bottom: 40px;
  border-bottom: 2px solid #f0f0f0;
  padding-bottom: 20px;
}

.about-header h1,
.contact-header h1 {
  font-size: 36px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.about-subtitle,
.contact-subtitle {
  font-size: 16px;
  color: #7eccc4;
  font-weight: 500;
}

.about-section {
  margin-bottom: 32px;
}

.about-section h2 {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.about-section p {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  margin: 0;
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-list li {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  padding-left: 24px;
  margin-bottom: 12px;
  position: relative;
}

.about-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #7eccc4;
  font-weight: bold;
}

.about-quote {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
  border-left: 4px solid #7eccc4;
  padding-left: 20px;
  margin: 0;
  font-style: italic;
}

.about-footer {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid #f0f0f0;
}

.cta-button {
  display: inline-block;
  background: #7eccc4;
  color: white;
  padding: 12px 32px;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cta-button:hover,
.cta-button:focus {
  background: #5a9f99;
  transform: translateY(-2px);
  outline: none;
}

.contact-form {
  margin-bottom: 40px;
}

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

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.required {
  color: #e74c3c;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #7eccc4;
  box-shadow: 0 0 0 3px rgba(126, 204, 196, 0.1);
}

.form-input.error,
.form-textarea.error {
  border-color: #e74c3c;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.error-message {
  font-size: 13px;
  color: #e74c3c;
  margin-top: 6px;
  display: none;
}

.error-message.show {
  display: block;
}

.success-message {
  background: #d4edda;
  color: #155724;
  padding: 14px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  display: none;
  border: 1px solid #c3e6cb;
}

.success-message.show {
  display: block;
}

.submit-btn {
  width: 100%;
  background: #7eccc4;
  color: white;
  border: none;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background: #5a9f99;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(126, 204, 196, 0.3);
}

.submit-btn:focus {
  outline: 2px solid #5a9f99;
  outline-offset: 2px;
}

.submit-btn:active {
  transform: translateY(0);
}

.contact-methods {
  background: #f9f9f9;
  padding: 24px;
  border-radius: 12px;
  border-left: 4px solid #7eccc4;
}

.contact-methods h2 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.methods-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.methods-list li {
  font-size: 14px;
  color: #555;
  margin-bottom: 12px;
  line-height: 1.6;
}

.methods-list a {
  color: #7eccc4;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.methods-list a:hover,
.methods-list a:focus {
  color: #5a9f99;
  outline: none;
}

.avatar-section {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid #7eccc4;
  box-shadow: 0 10px 30px rgba(126, 204, 196, 0.3);
  transition: transform 0.3s ease;
}

.avatar:hover {
  transform: scale(1.05);
}

.profile-header {
  text-align: center;
  margin-bottom: 10px;
}

.user-name {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 5px;
  line-height: 1.2;
}

.user-title {
  font-size: 14px;
  color: #7eccc4;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-bio {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
  margin: 0;
}

.time-section {
  background: #f5f5f5;
  padding: 10px 14px;
  border-radius: 6px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.time-label {
  font-size: 13px;
  font-weight: 600;
  color: #666;
  margin: 0;
}

.user-time {
  font-size: 13px;
  font-weight: 700;
  color: #7eccc4;
  font-family: "Courier New", monospace;
  margin: 0;
}

.social-section {
  margin: 0;
  width: 100%;
}

.social-links {
  list-style: none;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #f0f0f0;
  border-radius: 50%;
  text-decoration: none;
  color: #333;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.social-link:hover,
.social-link:focus {
  background: #7eccc4;
  color: white;
  transform: translateY(-3px);
  outline: none;
}

.social-link:focus {
  border-color: #5a9f99;
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.hobbies-section,
.dislikes-section {
  margin: 0;
}

.hobbies-section h2,
.dislikes-section h2 {
  font-size: 13px;
  font-weight: 700;
  color: #1a1a1a;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 8px;
}

.hobbies-list,
.dislikes-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hobbies-list li,
.dislikes-list li {
  background: #e8f5f4;
  color: #2a7a72;
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
}

.dislikes-list li {
  background: #ffe8e8;
  color: #c44444;
}

.connect-btn {
  background: #7eccc4;
  color: white;
  border: none;
  padding: 12px 32px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 8px;
  align-self: center;
}

.connect-btn:hover {
  background: #5a9f99;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(126, 204, 196, 0.3);
}

.connect-btn:focus {
  outline: 2px solid #5a9f99;
  outline-offset: 2px;
}

.connect-btn:active {
  transform: translateY(0);
}
/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
  body {
    min-height: 100vh;
  }

  .profile-card {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 30px;
  }

  .left-column {
    order: -1;
  }

  .user-name {
    font-size: 28px;
  }

  .avatar {
    width: 160px;
    height: 160px;
  }

  .card-nav {
    padding: 12px 30px;
  }

  .nav-links {
    gap: 30px;
  }
}

@media (max-width: 480px) {
  body {
    padding: 10px;
  }

  .profile-card {
    padding: 20px;
    gap: 15px;
    border-radius: 16px;
  }

  .user-name {
    font-size: 24px;
  }

  .user-title {
    font-size: 12px;
  }

  .user-bio {
    font-size: 13px;
  }

  .avatar {
    width: 140px;
    height: 140px;
  }

  .social-links {
    gap: 10px;
  }

  .social-link {
    width: 44px;
    height: 44px;
  }

  .social-link svg {
    width: 18px;
    height: 18px;
  }

  .connect-btn {
    width: 100%;
  }

  .card-nav {
    padding: 12px 20px;
    border-radius: 16px 16px 0 0;
  }

  .nav-links {
    gap: 15px;
    font-size: 13px;
  }

  .about-card,
  .contact-card {
    padding: 20px;
    border-radius: 0 0 16px 16px;
  }

  .about-header h1,
  .contact-header h1 {
    font-size: 28px;
  }

  .about-section h2 {
    font-size: 18px;
  }
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #7eccc4;
  outline-offset: 2px;
}

@media (prefers-contrast: more) {
  .profile-card {
    border: 2px solid #333;
  }

  .social-link {
    border: 1px solid #333;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}