/* Apple-Style Form Enhancements */

/* Contact Form Container */
.contact form {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.contact .form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Enhanced Floating Label Input Fields */
.form-field {
  position: relative;
  margin-bottom: 30px;
  width: 100%;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 20px 20px 8px 50px;
  border: 2px solid #e8e8ed;
  border-radius: 12px;
  background: #ffffff;
  font-size: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  color: #1d1d1f;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: #0071e3;
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

/* Enhanced Floating Label Effect */
.form-field label {
  position: absolute;
  left: 50px;
  top: 18px;
  font-size: 16px;
  color: #86868b;
  font-weight: 400;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  background: #ffffff;
  padding: 0 8px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
}

.form-field input:focus + label,
.form-field textarea:focus + label,
.form-field input:not(:placeholder-shown) + label,
.form-field textarea:not(:placeholder-shown) + label {
  top: -10px;
  left: 45px;
  font-size: 13px;
  font-weight: 500;
  color: #0071e3;
  background: #ffffff;
}

/* Enhanced Icon positioning */
.form-field i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: #86868b;
  font-size: 18px;
  transition: color 0.3s ease;
  z-index: 1;
}

.form-field input:focus ~ i,
.form-field textarea:focus ~ i {
  color: #0071e3;
}

/* Valid and Invalid States */
.form-field input:valid:not(:placeholder-shown),
.form-field textarea:valid:not(:placeholder-shown) {
  border-color: #30d158;
}

.form-field input:valid:not(:placeholder-shown) + label,
.form-field textarea:valid:not(:placeholder-shown) + label {
  color: #30d158;
}

.form-field input:valid:not(:placeholder-shown) ~ i,
.form-field textarea:valid:not(:placeholder-shown) ~ i {
  color: #30d158;
}

.form-field input:invalid:not(:placeholder-shown),
.form-field textarea:invalid:not(:placeholder-shown) {
  border-color: #ff3b30;
}

.form-field input:invalid:not(:placeholder-shown) + label,
.form-field textarea:invalid:not(:placeholder-shown) + label {
  color: #ff3b30;
}

.form-field input:invalid:not(:placeholder-shown) ~ i,
.form-field textarea:invalid:not(:placeholder-shown) ~ i {
  color: #ff3b30;
}

/* Message textarea specific */
.message-field textarea {
  min-height: 120px;
  resize: vertical;
  padding-top: 20px;
}

.message-field i {
  top: 28px;
  transform: none;
}

/* Success and Error Animations */
@keyframes successPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0.4);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(48, 209, 88, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0);
  }
}

.form-field.success input,
.form-field.success textarea {
  border-color: #30d158;
  animation: successPulse 0.5s;
}

@keyframes errorShake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.form-field.error input,
.form-field.error textarea {
  animation: errorShake 0.5s;
  border-color: #ff3b30;
}

/* Submit Button - Apple Style */
.contact .button-area {
  margin-top: var(--space-xl);
  display: flex;
  justify-content: center;
}

.contact .button-area button {
  background: var(--color-accent);
  color: white;
  border: none;
  padding: 16px 48px;
  border-radius: 980px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.contact .button-area button:hover {
  background: var(--color-accent-hover);
  transform: scale(1.02) translateY(-1px);
  box-shadow: 0 12px 32px rgba(0, 113, 227, 0.25);
}

.contact .button-area button:active {
  transform: scale(0.98);
}

.contact .button-area button i {
  transition: transform var(--transition-fast);
}

.contact .button-area button:hover i {
  transform: translateX(4px);
}

/* Image styling */
.contact .image-box {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact .image-box img {
  width: 100%;
  max-width: 400px;
  height: auto;
  filter: saturate(0.8);
  transition: filter var(--transition-base);
}

.contact .image-box img:hover {
  filter: saturate(1);
}

/* Work Section Improvements */
.work {
  background: var(--color-white);
  padding: var(--space-4xl) 5%;
}

.work .box-container .box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.work .box-container .box .content {
  background: linear-gradient(to top, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 50%, transparent 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-md);
}

.work .box-container .box .content .tag {
  background: var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
}

.work .box-container .box .content .tag h3 {
  color: white;
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* Education Section Improvements */
.education {
  background: var(--color-gray-100);
  padding: var(--space-4xl) 5%;
}

.education .box-container .box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: none;
  overflow: hidden;
}

.education .box-container .box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.education .box-container .box .content h3 {
  color: var(--color-black);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.education .box-container .box .content p {
  color: var(--color-gray-500);
  font-size: 1.6rem;
}

.education h4 {
  color: var(--color-accent);
  font-weight: 500;
}

/* About Section Enhancements */
.about {
  background: var(--color-white);
  padding: var(--space-4xl) 5%;
}

.about .row .image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  filter: grayscale(30%);
  transition: all var(--transition-slow);
}

.about .row .image img:hover {
  filter: grayscale(0%);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.about .row .content h3 {
  font-size: 4rem;
  letter-spacing: -0.03em;
}

.about .row .content .tag {
  background: var(--color-accent-light);
  color: var(--color-accent);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  display: inline-block;
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.about .row .content p {
  color: var(--color-gray-500);
  line-height: 1.8;
  font-size: 1.8rem;
}

/* Experience Timeline Refinements */
.experience {
  background: var(--color-white);
  padding: var(--space-4xl) 5%;
}

.experience .timeline::after {
  background: var(--color-gray-300);
  width: 2px;
}

.experience .container::after {
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  width: 16px;
  height: 16px;
}

.experience .content {
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: none;
  transition: all var(--transition-base);
}

.experience .content:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.experience .content .tag h2 {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-black);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.experience .content .desc h3 {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 1.6rem;
}

.experience .content .desc p {
  color: var(--color-gray-500);
  font-size: 1.4rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .contact form {
    max-width: none;
    width: 100%;
  }
  
  .form-field {
    margin-bottom: 20px;
  }
  
  .form-field label {
    font-size: 14px;
  }
}

/* Performance optimizations */
.will-transform {
  will-change: transform;
}

.gpu-accelerated {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Smooth transitions for all interactive elements */
* {
  -webkit-tap-highlight-color: transparent;
}

button, a, input, textarea {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Remove focus for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}