/**
 * Main Stylesheet
 * This file imports root.css and contains theme-specific styles
 * 
 * @package NitishInfo
 */

@import url("root.css");

/* ============================================
   HEADER STYLES
   ============================================ */

.site-header {
  background-color: #1a1a1a;
  padding: var(--spacing-5) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header.scrolled {
  background-color: #1a1a1a;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-6);
}

.site-branding {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-wrapper {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-title {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  letter-spacing: -0.02em;
}

.site-title a {
  color: #ffffff;
  text-decoration: none;
  transition: color var(--transition-fast);
  font-family: var(--font-family-heading);
}

.site-title a:hover {
  color: #ffffff;
  opacity: 0.8;
}

.site-description {
  margin: 0;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-weight-normal);
  line-height: 1.2;
}

.main-navigation {
  display: flex;
  flex: 1;
  justify-content: center;
}

.main-navigation ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-8);
  margin: 0;
  padding: 0;
  align-items: center;
}

.main-navigation a {
  color: #ffffff;
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
  padding: var(--spacing-2) 0;
  position: relative;
}

.main-navigation a:hover,
.main-navigation a:focus {
  color: rgba(255, 255, 255, 0.8);
}

.main-navigation .current-menu-item > a {
  color: #ffffff;
  font-weight: var(--font-weight-semibold);
}

.header-actions {
  display: flex;
  gap: var(--spacing-3);
  align-items: center;
  flex-shrink: 0;
}

.custom-logo {
  max-height: 60px;
  width: auto;
}

/* Navigation - Already defined above in header styles */

.main-navigation a {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: var(--spacing-2) 0;
  position: relative;
}

.main-navigation a:hover,
.main-navigation a:focus {
  color: var(--color-primary);
}

.main-navigation .current-menu-item > a {
  color: var(--color-primary);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.site-main {
  padding: var(--spacing-12) 0;
  min-height: 60vh;
}

/* ============================================
   POST STYLES
   ============================================ */

.post {
  margin-bottom: var(--spacing-12);
  padding-bottom: var(--spacing-8);
  border-bottom: 1px solid var(--color-border-light);
}

.post:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.post-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-4);
}

.post-title a {
  color: var(--color-heading);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.post-title a:hover {
  color: var(--color-primary);
}

.post-meta {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-4);
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.post-thumbnail {
  margin-bottom: var(--spacing-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.post-thumbnail img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-base);
}

.post-thumbnail:hover img {
  transform: scale(1.02);
}

.post-content {
  line-height: var(--line-height-relaxed);
}

.post-content p {
  margin-bottom: var(--spacing-4);
}

.post-content img {
  border-radius: var(--radius-md);
  margin: var(--spacing-6) 0;
}

.post-content a {
  color: var(--color-link);
  text-decoration: underline;
}

.post-content a:hover {
  color: var(--color-link-hover);
}

.entry-footer {
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-border-light);
}

.entry-footer .post-meta {
  font-size: var(--font-size-sm);
}

.cat-links,
.tags-links {
  margin-right: var(--spacing-4);
}

.cat-links a,
.tags-links a {
  color: var(--color-text-light);
  text-decoration: none;
  padding: var(--spacing-1) var(--spacing-2);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.cat-links a:hover,
.tags-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================
   PORTFOLIO STYLES
   ============================================ */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--portfolio-gap);
  margin: var(--spacing-8) 0;
}

.portfolio-item {
  position: relative;
  border-radius: var(--portfolio-item-radius);
  overflow: hidden;
  background-color: var(--color-bg-alt);
  transition: transform var(--portfolio-hover-transition);
  box-shadow: var(--shadow-base);
}

.portfolio-item:hover {
  transform: scale(var(--portfolio-hover-scale));
  box-shadow: var(--shadow-lg);
}

.portfolio-item img {
  width: 100%;
  height: auto;
  display: block;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(0, 0, 0, var(--portfolio-overlay-opacity))
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-6);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-title {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.portfolio-title a {
  color: var(--color-white);
  text-decoration: none;
}

.portfolio-category {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-top: var(--spacing-2);
}

.portfolio-content {
  padding: var(--spacing-6);
}

.portfolio-excerpt {
  color: var(--color-text-light);
  margin-top: var(--spacing-4);
}

.portfolio-featured-image {
  margin-bottom: var(--spacing-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.portfolio-single {
  margin-bottom: var(--spacing-12);
}

.portfolio-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-12);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-border-light);
  gap: var(--spacing-4);
}

.portfolio-navigation .nav-previous,
.portfolio-navigation .nav-next {
  flex: 1;
}

.portfolio-navigation a {
  display: block;
  padding: var(--spacing-4);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.portfolio-navigation a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.portfolio-navigation .nav-subtitle {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-2);
}

.portfolio-navigation .nav-title {
  display: block;
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
}

.portfolio-navigation a:hover .nav-title {
  color: var(--color-white);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-white);
  padding: var(--spacing-12) 0 var(--spacing-8);
  margin-top: var(--spacing-16);
}

.footer-widgets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.site-info {
  text-align: center;
  padding-top: var(--spacing-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
}

.site-info a {
  color: var(--color-white);
  text-decoration: none;
}

.site-info a:hover {
  text-decoration: underline;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  :root {
    --container-padding: var(--spacing-4);
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
  }

  .header-content {
    flex-direction: column;
    gap: var(--spacing-4);
  }

  .main-navigation ul {
    flex-direction: column;
    gap: var(--spacing-2);
    text-align: center;
    width: 100%;
  }

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

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

@media (max-width: 480px) {
  .site-main {
    padding: var(--spacing-8) 0;
  }

  .post {
    margin-bottom: var(--spacing-8);
    padding-bottom: var(--spacing-6);
  }
}

/* Page-specific CSS files are loaded conditionally in functions.php */
/* See: /assets/css/pages/ directory for individual page styles */