/* Main CSS File - Import all stylesheets */

/* Utilities First */
@import url('utils/variables.css');
@import url('utils/reset.css');
@import url('utils/utilities.css');

/* Components */
@import url('components/navigation.css');
@import url('components/hero.css');
@import url('components/projects.css');
@import url('components/skills.css');
@import url('components/experience.css');
@import url('components/contact.css');
@import url('components/footer.css');

/* Global Styles */
body {
  font-family: var(--font-family-primary);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  scroll-behavior: smooth;
}

/* Smooth scrolling for all browsers */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Section Header Styles */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: var(--space-16);
  }
}

.section-header__title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  position: relative;
}

.section-header__title::after {
  content: '';
  position: absolute;
  bottom: -var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
}

.section-header__subtitle {
  font-size: clamp(var(--font-size-base), 2.5vw, var(--font-size-xl));
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-white);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-input:invalid,
.form-textarea:invalid {
  border-color: var(--color-error);
}

.form-input:invalid:focus,
.form-textarea:invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-error {
  display: block;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
  min-height: 1.2em;
}

/* Tech Tags */
.tech-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: rgba(30, 64, 175, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(30, 64, 175, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background-color: rgba(30, 64, 175, 0.15);
  border-color: rgba(30, 64, 175, 0.3);
  transform: translateY(-1px);
}

/* Metric Display */
.metric {
  text-align: center;
}

.metric__value {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
}

.metric__label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: var(--space-1);
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Print Styles */
@media print {
  .nav,
  .hero__scroll,
  .contact__form {
    display: none;
  }

  .hero {
    padding-top: var(--space-8);
  }

  * {
    color: black !important;
    background: white !important;
  }

  .section-header__title::after {
    background: black !important;
  }
}

/* Focus Management */
.js-focus-visible :focus:not(.focus-visible) {
  outline: none;
}

/* Intersection Observer Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

/* Selection Styles */
::selection {
  background-color: rgba(30, 64, 175, 0.2);
  color: var(--color-text-primary);
}

::-moz-selection {
  background-color: rgba(30, 64, 175, 0.2);
  color: var(--color-text-primary);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .form-input,
  .form-textarea {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-600);
    color: var(--color-gray-100);
  }

  .form-input:focus,
  .form-textarea:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }

  .tech-tag {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--color-primary-light);
    border-color: rgba(59, 130, 246, 0.3);
  }

  .tech-tag:hover {
    background-color: rgba(59, 130, 246, 0.2);
  }

  ::-webkit-scrollbar-track {
    background: var(--color-gray-800);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--color-gray-600);
  }

  ::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
  }

  ::selection {
    background-color: rgba(59, 130, 246, 0.3);
  }

  ::-moz-selection {
    background-color: rgba(59, 130, 246, 0.3);
  }
}