/* ==========================================================================
   We Build Your Cloud - Custom Theme
   ========================================================================== */

/* --- Variables --- */
:root {
  --color-primary: #0ea5e9;
  --color-primary-dark: #0284c7;
  --color-navy: #0f172a;
  --color-navy-light: #1e293b;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-heading: #0f172a;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-border: #e2e8f0;
  --color-accent: #06b6d4;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
  --container-narrow: 800px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: 0.2s ease;
}

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

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { color: var(--color-heading); line-height: 1.3; }
h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

/* --- Layout --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: var(--container-narrow); }
.section { padding: 4rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-cta { text-align: center; margin-top: 2.5rem; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* --- Header --- */
.site-header {
  background: var(--color-navy);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}
.logo:hover { color: var(--color-primary); }
.logo-icon svg { width: 24px; height: 24px; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  color: #cbd5e1;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255, 255, 255, 0.15); }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 0.5rem;
}
.menu-toggle svg { width: 24px; height: 24px; }
.search-toggle {
  background: none;
  border: none;
  color: #cbd5e1;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: 0.5rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.search-toggle:hover { color: #fff; background: rgba(255, 255, 255, 0.15); }
.search-toggle svg { width: 18px; height: 18px; }

/* --- Search Overlay --- */
.search-overlay {
  display: none;
  background: var(--color-navy-light);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.search-overlay.active { display: block; }
.search-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}
.search-box svg { color: rgba(255, 255, 255, 0.5); width: 18px; height: 18px; flex-shrink: 0; }
.search-box input {
  flex: 1;
  background: none;
  border: none;
  color: #fff;
  font-size: 1rem;
  font-family: var(--font-sans);
}
.search-box input:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.search-box input::placeholder { color: rgba(255, 255, 255, 0.4); }
.search-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  padding: 0.25rem;
}
.search-close:hover { color: #fff; }
.search-results {
  margin-top: 1rem;
  max-height: 400px;
  overflow-y: auto;
}
.search-result-item {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  color: #e2e8f0;
  transition: background var(--transition);
}
.search-result-item:hover { background: rgba(255, 255, 255, 0.15); color: #fff; }
.search-result-item h4 { color: #fff; font-size: 0.95rem; margin-bottom: 0.25rem; }
.search-result-item p { color: #94a3b8; font-size: 0.85rem; }
.search-result-item .search-meta { font-size: 0.75rem; color: var(--color-primary); text-transform: capitalize; }

/* --- Blog inline search --- */
.blog-search { margin-bottom: 2rem; }
.search-box.inline {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.search-box.inline svg { color: var(--color-text-light); width: 18px; height: 18px; }
.search-box.inline input {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1rem;
  font-family: var(--font-sans);
}
.search-box.inline input:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: #fff;
  padding: 6rem 0;
  text-align: center;
}
.hero h1 { color: #fff; font-size: 3rem; margin-bottom: 1rem; }
.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.service-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 165, 233, 0.1);
  border-radius: 12px;
  color: var(--color-primary);
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { color: var(--color-text-light); font-size: 0.95rem; }

/* --- Cards (Posts & Portfolio) --- */
.posts-grid, .portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.post-card, .portfolio-card {
  display: block;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  color: var(--color-text);
}
.post-card:hover, .portfolio-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  color: var(--color-text);
}
.post-card img, .portfolio-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.post-card-content, .portfolio-card-content { padding: 1.5rem; }
.post-card-content time { font-size: 0.85rem; color: var(--color-text-light); }
.post-card-content h3, .portfolio-card-content h3 {
  margin: 0.5rem 0;
  font-size: 1.15rem;
}
.post-card-content p, .portfolio-card-content p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* --- Tags --- */
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(14, 165, 233, 0.1);
  color: var(--color-primary);
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}
.tag-sm { font-size: 0.75rem; padding: 0.15rem 0.5rem; }
.tech-tags, .post-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }

/* --- Page Header --- */
.page-header {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: #fff;
  padding: 3rem 0;
}
.page-header h1 { color: #fff; margin-bottom: 0.5rem; }
.page-header p { color: rgba(255, 255, 255, 0.8); }

/* --- Single Post --- */
.featured-image {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}
.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}
.reading-time { color: rgba(255, 255, 255, 0.5); }
.post-categories a {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Content --- */
.content h2 { margin-top: 2.5rem; margin-bottom: 1rem; font-size: 1.6rem; }
.content h3 { margin-top: 2rem; margin-bottom: 0.75rem; }
.content p { margin-bottom: 1.25rem; }
.content ul, .content ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
.content li { margin-bottom: 0.5rem; }
.content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.content code {
  background: var(--color-bg-alt);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}
.content pre {
  background: var(--color-navy);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}
.content pre code { background: none; padding: 0; }
.content img { border-radius: var(--radius); margin: 1.5rem 0; }
.content a { text-decoration: underline; text-decoration-color: rgba(14, 165, 233, 0.3); text-underline-offset: 2px; }
.content a:hover { text-decoration-color: var(--color-primary); }

/* --- Table of Contents --- */
.toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.toc h4 { margin-bottom: 0.75rem; }
.toc nav ul { list-style: none; padding-left: 0; }
.toc nav ul ul { padding-left: 1rem; }
.toc nav a { font-size: 0.9rem; color: var(--color-text-light); }
.toc nav a:hover { color: var(--color-primary); }

/* --- Video --- */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: 1.5rem 0;
  border-radius: var(--radius);
  background: #000;
}
.video-container iframe,
.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.video-self-hosted video { object-fit: contain; }

/* --- Post Footer --- */
.post-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.share-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.share-links span { font-weight: 600; color: var(--color-text-light); font-size: 0.9rem; }
.share-links a { color: var(--color-text-light); }
.share-links a:hover { color: var(--color-primary); }
.share-links a svg { width: 20px; height: 20px; }

/* --- Related Posts --- */
.related-posts { margin-top: 3rem; }
.related-posts h3 { margin-bottom: 1.5rem; }

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.contact-details { margin-top: 2rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}
.contact-item svg { width: 20px; height: 20px; color: var(--color-primary); }
.contact-social { margin-top: 2rem; }
.contact-social h3 { margin-bottom: 1rem; font-size: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-heading);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* --- Portfolio Detail --- */
.tech-stack { margin-bottom: 2rem; }
.tech-stack h4 { margin-bottom: 0.5rem; }
.portfolio-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: #fff;
  text-align: center;
}
.cta-section h2 { color: #fff; margin-bottom: 0.75rem; }
.cta-section p { color: rgba(255, 255, 255, 0.8); margin-bottom: 1.5rem; font-size: 1.1rem; }
.cta-inline { text-align: center; margin: 2rem 0; }

/* --- Social Links --- */
.social-links { display: flex; gap: 0.75rem; }
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: rgba(14, 165, 233, 0.1);
  color: var(--color-primary);
  transition: all var(--transition);
}
.social-links a:hover { background: var(--color-primary); color: #fff; }
.social-links a svg { width: 18px; height: 18px; }

/* --- Footer --- */
.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; }
.site-footer h4 { color: #fff; margin-bottom: 1rem; font-size: 0.95rem; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 0.5rem; }
.site-footer ul a { color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; }
.site-footer ul a:hover { color: #fff; }
.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}
.site-footer .social-links a {
  background: rgba(255, 255, 255, 0.1);
  color: #94a3b8;
}
.site-footer .social-links a:hover { background: var(--color-primary); color: #fff; }

/* --- Pagination --- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 3rem;
  list-style: none;
}
.pagination li a,
.pagination li span {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.pagination li.active span { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination li a:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* --- Error Page --- */
.error-page h1 { font-size: 6rem; color: var(--color-primary); }
.error-page p { font-size: 1.25rem; color: var(--color-text-light); margin-bottom: 2rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero { padding: 4rem 0; }
  .hero h1 { font-size: 2rem; }
  .hero-subtitle { font-size: 1.05rem; }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  .section { padding: 3rem 0; }

  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-navy);
    flex-direction: column;
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  .main-nav.active { display: flex; }
  .nav-link { padding: 0.75rem 1rem; width: 100%; }
  .search-toggle { align-self: flex-start; margin: 0; padding: 0.75rem 1rem; }

  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .posts-grid, .portfolio-grid { grid-template-columns: 1fr; }
}