/* ===== TechNova Times — Main Stylesheet ===== */
:root {
  --primary: #1a1a2e;
  --primary-light: #16213e;
  --accent: #0f3460;
  --accent-light: #e94560;
  --accent-orange: #f77f00;
  --accent-green: #2ec4b6;
  --bg: #f8f9fa;
  --bg-card: #ffffff;
  --text: #2d3436;
  --text-light: #636e72;
  --text-muted: #b2bec3;
  --border: #e0e0e0;
  --shadow: 0 2px 15px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Header ===== */
.header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.logo a {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent-light);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.lang-switch {
  display: flex;
  gap: 0.3rem;
}

.lang-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--accent-light);
  border-color: var(--accent-light);
}

.lang-btn:hover { background: rgba(255,255,255,0.2); }

.search-box {
  display: flex;
  align-items: center;
}

.search-box input {
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.85rem;
  width: 180px;
  outline: none;
  transition: var(--transition);
}

.search-box input::placeholder { color: rgba(255,255,255,0.5); }
.search-box input:focus { background: rgba(255,255,255,0.2); width: 220px; }

/* ===== Navigation ===== */
.nav {
  background: var(--primary-light);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav-list a {
  display: block;
  padding: 0.7rem 1.2rem;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list a.active {
  color: #fff;
  border-bottom-color: var(--accent-light);
}

.nav-list a.active { background: rgba(255,255,255,0.05); }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* ===== Main Content ===== */
.main { flex: 1; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

/* ===== Breaking News Ticker ===== */
.breaking-ticker {
  background: var(--accent-light);
  color: #fff;
  padding: 0.5rem 0;
  overflow: hidden;
}

.ticker-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ticker-label {
  background: rgba(255,255,255,0.2);
  padding: 0.2rem 0.8rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}

.ticker-text {
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Hero Section ===== */
.hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.hero-main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 400px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  cursor: pointer;
  transition: var(--transition);
}

.hero-main:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }

.hero-main .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  position: absolute;
  top: 0; left: 0;
}

.hero-main .hero-content {
  position: relative;
  z-index: 1;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 400px;
  color: #fff;
}

.hero-category {
  display: inline-block;
  background: var(--accent-light);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 1rem;
  width: fit-content;
}

.hero-main h2 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.hero-main p {
  font-size: 0.95rem;
  opacity: 0.9;
  max-width: 90%;
}

.hero-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 0.5rem;
}

/* Hero Sidebar */
.hero-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-side-item {
  display: flex;
  gap: 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.hero-side-item:hover { transform: translateX(3px); box-shadow: var(--shadow-hover); }

.hero-side-item .side-img {
  width: 100px;
  height: 70px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

.hero-side-item .side-content h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  line-height: 1.3;
}

.hero-side-item .side-content span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== Section Headers ===== */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid var(--border);
}

.section-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  position: relative;
  padding-left: 1rem;
}

.section-header h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 4px;
  background: var(--accent-light);
  border-radius: 2px;
}

.section-header .view-all {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.section-header .view-all:hover { color: var(--accent-light); }

/* ===== News Grid ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.news-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.news-card .card-img {
  height: 180px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 3rem;
  position: relative;
}

.news-card .card-badge {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  background: var(--accent-light);
  color: #fff;
  padding: 0.2rem 0.8rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}

.news-card .card-body {
  padding: 1.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card .card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.news-card .card-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  flex: 1;
}

.news-card .card-footer {
  padding: 0.8rem 1.2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Category colors */
.cat-tech .card-img { background: linear-gradient(135deg, #0f3460, #1a1a2e); }
.cat-science .card-img { background: linear-gradient(135deg, #2ec4b6, #0f3460); }
.cat-business .card-img { background: linear-gradient(135deg, #f77f00, #e94560); }
.cat-digital .card-img { background: linear-gradient(135deg, #6c5ce7, #0f3460); }
.cat-gadgets .card-img { background: linear-gradient(135deg, #00b894, #00cec9); }
.cat-space .card-img { background: linear-gradient(135deg, #2d3436, #636e72); }
.cat-cyber .card-img { background: linear-gradient(135deg, #d63031, #6c5ce7); }
.cat-ai .card-img { background: linear-gradient(135deg, #e17055, #fdcb6e); }

/* ===== Sidebar Layout ===== */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
}

/* ===== Sidebar Widgets ===== */
.sidebar .widget {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.sidebar .widget h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.popular-list { list-style: none; }

.popular-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.popular-list li:last-child { border-bottom: none; }
.popular-list li:hover { color: var(--accent); padding-left: 5px; }

.popular-list li .popular-num {
  display: inline-block;
  width: 24px;
  height: 24px;
  background: var(--accent);
  color: #fff;
  text-align: center;
  line-height: 24px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 0.5rem;
}

.popular-list li:nth-child(1) .popular-num { background: var(--accent-light); }
.popular-list li:nth-child(2) .popular-num { background: var(--accent-orange); }
.popular-list li:nth-child(3) .popular-num { background: var(--accent-green); }

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-cloud a {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--bg);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.tag-cloud a:hover { background: var(--accent); color: #fff; }

.subscribe-box {
  text-align: center;
}

.subscribe-box p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.subscribe-form {
  display: flex;
  gap: 0.5rem;
}

.subscribe-form input {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.85rem;
  outline: none;
}

.subscribe-form input:focus { border-color: var(--accent); }

.subscribe-form button {
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
}

.subscribe-form button:hover { background: var(--accent-light); }

/* ===== Categories Section ===== */
.categories-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.category-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--text);
}

.category-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

.category-item .cat-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.category-item h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.category-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== Footer ===== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  margin-top: auto;
  padding: 3rem 2rem 1.5rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.footer-col p {
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-col ul a:hover { color: var(--accent-light); }

.social-links {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: #fff;
  text-decoration: none;
  transition: var(--transition);
  font-size: 1rem;
}

.social-links a:hover { background: var(--accent-light); transform: translateY(-2px); }

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* ===== Page Header (for about, contact) ===== */
.page-header {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 3rem 2rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-header p {
  font-size: 1rem;
  opacity: 0.85;
}

/* ===== About Page ===== */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.about-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.about-content h2:first-child { margin-top: 0; }

.about-content p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.team-member {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.team-member .avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
}

.team-member h4 {
  font-size: 1rem;
  font-weight: 600;
}

.team-member span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info .info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-info .info-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-info .info-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.contact-info .info-text p {
  font-size: 0.85rem;
  color: var(--text-light);
}

.contact-form {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 52, 96, 0.1);
}

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

.btn {
  display: inline-block;
  padding: 0.7rem 2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn:hover { background: var(--accent-light); transform: translateY(-1px); }

/* ===== Language hidden content ===== */
.lang-ru,
.lang-en {
  transition: opacity 0.3s ease;
}

body.lang-active-ru .lang-en { display: none; }
body.lang-active-en .lang-ru { display: none; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-main { min-height: 300px; }
  .hero-main .hero-content { min-height: 300px; }
  .content-with-sidebar { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-top { padding: 0.6rem 1rem; }
  .logo a { font-size: 1.2rem; }
  .search-box input { width: 120px; }
  .search-box input:focus { width: 150px; }
  
  .nav-list { display: none; }
  .mobile-toggle { display: block; }
  
  .nav-list.open {
    display: flex;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary-light);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
  }
  
  .nav { position: relative; }
  .nav-inner { flex-wrap: wrap; }
  
  .container { padding: 1rem; }
  
  .hero-main h2 { font-size: 1.5rem; }
  .hero-main p { max-width: 100%; }
  
  .news-grid { grid-template-columns: 1fr; }
  
  .categories-bar { grid-template-columns: repeat(2, 1fr); }
  
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  
  .ticker-text { font-size: 0.75rem; }
  
  .page-header { padding: 2rem 1rem; }
  .page-header h1 { font-size: 1.5rem; }
  .about-content { padding: 2rem 1rem; }
  .contact-grid { padding: 2rem 1rem; }
}

@media (max-width: 480px) {
  .header-controls { gap: 0.5rem; }
  .search-box input { width: 90px; font-size: 0.75rem; }
  .search-box input:focus { width: 120px; }
  .categories-bar { grid-template-columns: 1fr 1fr; }
  .hero-side-item .side-img { width: 70px; height: 55px; font-size: 1rem; }
  .hero-side-item .side-content h4 { font-size: 0.8rem; }
}