/* =========================================================
   theme2.css — Dark Modern
   #1a1a2e background + cyan accents
   ========================================================= */

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

:root {
  --primary:       #00d4ff;
  --primary-dark:  #00a8cc;
  --primary-light: rgba(0,212,255,0.10);
  --accent:        #7c3aed;
  --text:          #e2e8f0;
  --text-muted:    #94a3b8;
  --bg:            #1a1a2e;
  --bg-alt:        #16213e;
  --bg-card:       #0f3460;
  --border:        rgba(0,212,255,0.18);
  --card-shadow:   0 4px 20px rgba(0,0,0,0.5);
  --radius:        8px;
  --font-body:     'Segoe UI', system-ui, sans-serif;
  --font-heading:  'Segoe UI', system-ui, sans-serif;
  --max-width:     1160px;
  --header-height: 66px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

img { max-width: 100%; display: block; }
a   { color: var(--primary); text-decoration: none; }
a:hover { color: #fff; text-decoration: none; }
ul  { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.main-content { padding: 40px 20px; max-width: var(--max-width); margin: 0 auto; }

/* ── Header ─────────────────────────────────────────────── */
.site-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  backdrop-filter: blur(10px);
}
.header-inner { display: flex; align-items: center; gap: 20px; width: 100%; }

.site-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.3px;
  text-decoration: none;
}
.site-title:hover { color: #fff; }
.site-tagline { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 30px;
  overflow: hidden;
  flex: 1;
  max-width: 340px;
  margin-left: auto;
}
.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  padding: 7px 14px;
  font-size: 0.88rem;
  width: 100%;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button { background: transparent; border: none; color: var(--primary); padding: 7px 14px; cursor: pointer; }
.header-search button:hover { color: #fff; }

.site-nav ul { display: flex; gap: 4px; align-items: center; }
.site-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-weight: 500;
  transition: color 0.2s, background 0.2s;
}
.site-nav a:hover,
.site-nav a.active { color: var(--primary); background: var(--primary-light); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
  color: var(--primary);
  margin-left: auto;
}
.hamburger,
.hamburger::before,
.hamburger::after { display: block; width: 20px; height: 2px; background: var(--primary); transition: transform 0.25s; }
.hamburger { position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; }
.hamburger::before { top: -6px; }
.hamburger::after  { top:  6px; }
.nav-toggle.is-active .hamburger { background: transparent; }
.nav-toggle.is-active .hamburger::before { transform: rotate(45deg) translate(4px,4px); }
.nav-toggle.is-active .hamburger::after  { transform: rotate(-45deg) translate(4px,-4px); }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%);
  border-bottom: 1px solid var(--border);
  padding: 48px 0 40px;
  text-align: center;
}
.hero-headline { font-size: 2rem; color: var(--primary); font-weight: 700; text-shadow: 0 0 30px rgba(0,212,255,0.3); }

/* ── Section title ──────────────────────────────────────── */
.section-title {
  font-size: 1.3rem;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

/* ── Cards ──────────────────────────────────────────────── */
.articles-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; margin-bottom: 48px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: 0 0 20px rgba(0,212,255,0.15); }

.card-img { width: 100%; height: 200px; object-fit: cover; opacity: 0.9; }
.card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }

.card-category {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 2px 8px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 10px;
}

.card-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--primary); }
.card-excerpt { font-size: 0.87rem; color: var(--text-muted); flex: 1; margin-bottom: 14px; }
.read-more { font-size: 0.85rem; font-weight: 600; color: var(--primary); align-self: flex-start; }
.read-more:hover { color: #fff; }

.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 40px; }
.card-small .card-body { padding: 16px; }
.card-small .card-title { font-size: 0.95rem; }

/* ── Newsletter ─────────────────────────────────────────── */
.newsletter-box {
  background: linear-gradient(135deg, #0f3460, var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  margin: 0 0 48px;
}
.newsletter-box h3 { font-size: 1.3rem; color: var(--primary); margin-bottom: 8px; }
.newsletter-box p  { color: var(--text-muted); margin-bottom: 18px; }
.newsletter-form { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.newsletter-form input {
  padding: 10px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  min-width: 240px;
}
.newsletter-form input:focus { border-color: var(--primary); }
.newsletter-form button,
.btn-submit {
  padding: 10px 24px;
  background: var(--primary);
  color: var(--bg);
  border: none;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.newsletter-form button:hover, .btn-submit:hover { background: var(--primary-dark); }

/* ── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb-nav { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 10px 0; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: 0.82rem; color: var(--text-muted); }
.breadcrumb li + li::before { content: '›'; margin-right: 6px; color: var(--text-muted); }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: #fff; }

/* ── Post single ────────────────────────────────────────── */
.post-single { max-width: 780px; margin: 0 auto; }
.post-header { margin-bottom: 28px; }
.post-category-label {
  display: inline-block;
  background: var(--primary);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}
.post-title   { font-size: 2.2rem; font-weight: 800; line-height: 1.25; margin-bottom: 12px; }
.post-subtitle{ font-size: 1.1rem; color: var(--text-muted); margin-bottom: 18px; }
.post-meta {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 0.85rem; color: var(--text-muted);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 12px 0;
}
.author-avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary); }
.post-meta i { color: var(--primary); margin-right: 4px; }
.post-featured-image { margin: 28px 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.post-featured-image img { width: 100%; height: 420px; object-fit: cover; }
.post-content { font-size: 1.05rem; line-height: 1.8; color: var(--text); }
.post-content h2 { font-size: 1.5rem; color: var(--primary); margin: 36px 0 14px; }
.post-content h3 { font-size: 1.2rem; color: #7dd3fc; margin: 28px 0 10px; }
.post-content p  { margin-bottom: 18px; }
.post-content ul, .post-content ol { padding-left: 26px; margin-bottom: 18px; }
.post-content li { margin-bottom: 6px; }
.post-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 14px 20px;
  margin: 24px 0;
  font-style: italic;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.author-bio-box {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin: 40px 0 32px;
}
.author-bio-avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid var(--primary); }
.author-bio-text h3 { font-size: 1rem; color: var(--primary); margin-bottom: 6px; }
.author-bio-text p  { font-size: 0.88rem; color: var(--text-muted); }
.post-share { display: flex; align-items: center; gap: 10px; margin-bottom: 40px; font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }
.share-btn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; color: var(--bg); font-size: 0.8rem; transition: opacity 0.2s; }
.share-btn:hover { opacity: 0.8; }
.share-twitter { background: var(--primary); }
.share-facebook { background: #1877F2; }
.share-linkedin { background: #0A66C2; }

/* ── Page ───────────────────────────────────────────────── */
.page-single { max-width: 780px; margin: 0 auto; }
.page-title  { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.page-meta   { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 24px; }
.page-intro  { color: var(--text-muted); margin-bottom: 28px; }
.page-content { line-height: 1.8; margin-bottom: 40px; }
.page-content h2 { font-size: 1.4rem; color: var(--primary); margin: 32px 0 12px; }
.page-content p  { margin-bottom: 16px; }

/* ── Contact ────────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.contact-form-section h1 { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); }
.form-group input, .form-group textarea {
  width: 100%; padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-body);
  outline: none; color: var(--text);
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-success { color: var(--primary); font-size: 0.9rem; margin-top: 10px; }
.contact-info { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.contact-info h2 { font-size: 1.1rem; color: var(--primary); margin-bottom: 18px; }
.contact-details { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.contact-details li { display: flex; gap: 10px; font-size: 0.9rem; align-items: flex-start; }
.contact-details li i { color: var(--primary); min-width: 16px; margin-top: 3px; }
.contact-details a { color: var(--text); }
.contact-details a:hover { color: var(--primary); }

/* ── Social icons ───────────────────────────────────────── */
.social-icons { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.social-icons a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--primary-light);
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 50%;
  font-size: 0.85rem;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.social-icons a:hover { background: var(--primary); color: var(--bg); transform: translateY(-2px); }

/* ── Footer ─────────────────────────────────────────────── */
.site-footer { background: #0d0d1a; border-top: 1px solid var(--border); margin-top: 60px; }
.footer-inner { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; padding: 48px 20px 32px; }
.footer-col h4 { color: var(--primary); font-size: 0.95rem; margin-bottom: 14px; }
.footer-col p  { font-size: 0.85rem; color: var(--text-muted); }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: var(--text-muted); font-size: 0.85rem; }
.footer-col ul a:hover { color: var(--primary); }
.footer-col .social-icons a { background: transparent; border-color: var(--border); color: var(--text-muted); }
.footer-col .social-icons a:hover { background: var(--primary); border-color: var(--primary); color: var(--bg); }
.footer-bottom { text-align: center; padding: 14px; border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--text-muted); }

/* ── Cookie ─────────────────────────────────────────────── */
.cookie-banner {
  display: flex;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #0d0d1a;
  border-top: 1px solid var(--border);
  color: var(--text);
  padding: 14px 20px;
  z-index: 9999;
  align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center;
  font-size: 0.88rem;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner p { flex: 1; min-width: 200px; }
.btn-accept, .btn-decline {
  padding: 7px 20px; border: none; border-radius: 30px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: opacity 0.2s;
}
.btn-accept  { background: var(--primary); color: var(--bg); }
.btn-decline { background: rgba(255,255,255,0.1); color: var(--text); }
.btn-accept:hover, .btn-decline:hover { opacity: 0.8; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  .articles-grid { grid-template-columns: repeat(2,1fr); }
  .related-grid  { grid-template-columns: repeat(2,1fr); }
  .contact-layout{ grid-template-columns: 1fr; }
  .footer-inner  { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .site-header { height: auto; min-height: var(--header-height); }
  .header-inner { flex-wrap: wrap; padding: 12px 16px; }
  .header-search { order: 3; max-width: 100%; width: 100%; margin: 8px 0 0; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .site-nav { display: none; width: 100%; order: 4; background: var(--bg-alt); padding: 12px 0; border-top: 1px solid var(--border); }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 2px; }
  .site-nav a { display: block; padding: 10px 16px; }
  .articles-grid { grid-template-columns: 1fr; }
  .related-grid  { grid-template-columns: 1fr; }
  .footer-inner  { grid-template-columns: 1fr; }
  .post-title    { font-size: 1.6rem; }
  .author-bio-box{ flex-direction: column; }
  .hero-headline { font-size: 1.5rem; }
}