/* ============================================
   黑料网 - 网络安全威胁情报中心
   全局样式表 (hl-main.css)
   CSS前缀: hl-
   设计风格: 黑客终端矩阵风
   ============================================ */

/* --- CSS Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --hl-black: #000000;
  --hl-green: #00FF00;
  --hl-green-dim: #00cc00;
  --hl-green-dark: #009900;
  --hl-green-glow: rgba(0, 255, 0, 0.15);
  --hl-green-subtle: rgba(0, 255, 0, 0.05);
  --hl-gray-dark: #0a0a0a;
  --hl-gray-mid: #1a1a1a;
  --hl-gray-light: #2a2a2a;
  --hl-gray-border: #333333;
  --hl-red: #ff3333;
  --hl-yellow: #ffcc00;
  --hl-orange: #ff8800;
  --hl-cyan: #00ffff;
  --hl-font-mono: 'Courier New', 'Lucida Console', Monaco, 'Consolas', monospace;
  --hl-font-size-base: 15px;
  --hl-line-height: 1.7;
  --hl-max-width: 1440px;
  --hl-gap: 20px;
}

html {
  font-size: var(--hl-font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--hl-font-mono);
  background-color: var(--hl-black);
  color: var(--hl-green);
  line-height: var(--hl-line-height);
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--hl-green);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
  color: #66ff66;
  text-shadow: 0 0 8px var(--hl-green-glow);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--hl-font-mono);
  font-weight: 700;
  color: var(--hl-green);
  line-height: 1.3;
}

/* --- Utility Classes --- */
.hl-container {
  width: 100%;
  max-width: var(--hl-max-width);
  margin: 0 auto;
  padding: 0 var(--hl-gap);
}

.hl-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--hl-gray-border);
}

.hl-section-title {
  font-size: 1.6rem;
  margin-bottom: 30px;
  padding-left: 15px;
  border-left: 3px solid var(--hl-green);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hl-terminal-box {
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-green-dark);
  border-radius: 4px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.hl-terminal-box::before {
  content: '● ● ●';
  display: block;
  color: var(--hl-green-dark);
  font-size: 0.7rem;
  letter-spacing: 4px;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hl-gray-border);
}

.hl-glow-text {
  text-shadow: 0 0 10px var(--hl-green), 0 0 20px rgba(0, 255, 0, 0.3);
}

.hl-blink {
  animation: hl-blink-anim 1s step-end infinite;
}

@keyframes hl-blink-anim {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --- Navigation --- */
.hl-nav {
  background-color: var(--hl-black);
  border-bottom: 1px solid var(--hl-green-dark);
  padding: 0;
  position: relative;
  z-index: 100;
}

.hl-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--hl-max-width);
  margin: 0 auto;
  padding: 12px var(--hl-gap);
  flex-wrap: wrap;
}

.hl-nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--hl-green);
  text-shadow: 0 0 10px var(--hl-green);
  white-space: nowrap;
  letter-spacing: 1px;
}

.hl-nav-logo span {
  color: var(--hl-green-dim);
}

.hl-nav-links {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.hl-nav-link {
  color: var(--hl-green);
  padding: 8px 12px;
  font-size: 0.85rem;
  position: relative;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.hl-nav-link::after {
  content: '_';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--hl-green);
  opacity: 0;
  animation: hl-blink-anim 0.7s step-end infinite;
}

.hl-nav-link:hover::after,
.hl-nav-link.hl-active::after {
  opacity: 1;
}

.hl-nav-link:hover {
  text-shadow: 0 0 8px var(--hl-green);
}

.hl-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hl-search-box {
  display: flex;
  align-items: center;
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-green-dark);
  padding: 4px 10px;
  border-radius: 2px;
}

.hl-search-box::before {
  content: '>';
  color: var(--hl-green);
  margin-right: 6px;
  font-weight: 700;
}

.hl-search-input {
  background: transparent;
  border: none;
  color: var(--hl-green);
  font-family: var(--hl-font-mono);
  font-size: 0.8rem;
  outline: none;
  width: 140px;
}

.hl-search-input::placeholder {
  color: var(--hl-green-dark);
}

.hl-btn-terminal {
  background-color: transparent;
  border: 1px solid var(--hl-green);
  color: var(--hl-green);
  font-family: var(--hl-font-mono);
  font-size: 0.8rem;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hl-btn-terminal:hover {
  background-color: var(--hl-green);
  color: var(--hl-black);
  text-shadow: none;
}

/* Hamburger Menu */
.hl-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--hl-green-dark);
  color: var(--hl-green);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 10px;
  font-family: var(--hl-font-mono);
  line-height: 1;
}

/* --- Hero Section: Global Threat Map --- */
.hl-hero {
  position: relative;
  min-height: 500px;
  background-color: var(--hl-black);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-bottom: 1px solid var(--hl-green-dark);
}

.hl-hero-map {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.hl-hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 20px;
}

.hl-hero-system-text {
  font-size: 0.85rem;
  color: var(--hl-green-dim);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.hl-hero-title {
  font-size: 2.2rem;
  margin-bottom: 15px;
  text-shadow: 0 0 20px var(--hl-green), 0 0 40px rgba(0, 255, 0, 0.2);
  letter-spacing: 3px;
}

.hl-hero-subtitle {
  font-size: 1rem;
  color: var(--hl-green-dim);
  max-width: 700px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

.hl-hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hl-hero-stat {
  text-align: center;
}

.hl-hero-stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--hl-green);
  text-shadow: 0 0 10px var(--hl-green);
}

.hl-hero-stat-label {
  font-size: 0.75rem;
  color: var(--hl-green-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* Map dots animation */
.hl-map-dot {
  position: absolute;
  width: 4px;
  height: 4px;
  background-color: var(--hl-green);
  border-radius: 50%;
  animation: hl-dot-pulse 2s ease-in-out infinite;
}

@keyframes hl-dot-pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(2.5); box-shadow: 0 0 10px var(--hl-green); }
}

.hl-map-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--hl-green), transparent);
  animation: hl-line-flow 3s linear infinite;
  opacity: 0.4;
}

@keyframes hl-line-flow {
  0% { opacity: 0; transform: scaleX(0); }
  50% { opacity: 0.6; transform: scaleX(1); }
  100% { opacity: 0; transform: scaleX(0); }
}

/* --- Threat Alert Terminal --- */
.hl-alert-terminal {
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-green-dark);
  border-radius: 4px;
  height: 320px;
  overflow: hidden;
  position: relative;
}

.hl-alert-header {
  background-color: var(--hl-gray-mid);
  padding: 8px 15px;
  border-bottom: 1px solid var(--hl-green-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hl-alert-header-dots {
  display: flex;
  gap: 6px;
}

.hl-alert-header-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--hl-green-dark);
}

.hl-alert-header-dot:first-child { background-color: var(--hl-red); }
.hl-alert-header-dot:nth-child(2) { background-color: var(--hl-yellow); }
.hl-alert-header-dot:nth-child(3) { background-color: var(--hl-green); }

.hl-alert-header-title {
  font-size: 0.75rem;
  color: var(--hl-green-dim);
  letter-spacing: 1px;
}

.hl-alert-body {
  padding: 15px;
  height: calc(100% - 40px);
  overflow: hidden;
}

.hl-alert-scroll {
  animation: hl-scroll-up 30s linear infinite;
}

@keyframes hl-scroll-up {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

.hl-alert-line {
  font-size: 0.8rem;
  line-height: 2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hl-alert-tag {
  font-weight: 700;
  margin-right: 6px;
}

.hl-alert-tag-alert { color: var(--hl-red); }
.hl-alert-tag-warn { color: var(--hl-yellow); }
.hl-alert-tag-info { color: var(--hl-cyan); }
.hl-alert-tag-critical { color: #ff0066; }

/* --- Vulnerability List --- */
.hl-vuln-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hl-vuln-item {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-gray-border);
  border-left: 3px solid var(--hl-red);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.hl-vuln-item:hover {
  border-left-color: var(--hl-green);
  background-color: var(--hl-gray-mid);
}

.hl-vuln-cve {
  font-weight: 700;
  min-width: 160px;
  color: var(--hl-green);
}

.hl-vuln-severity {
  min-width: 60px;
  text-align: center;
  padding: 2px 10px;
  border-radius: 2px;
  font-size: 0.75rem;
  font-weight: 700;
  margin: 0 15px;
}

.hl-severity-critical {
  background-color: rgba(255, 0, 0, 0.2);
  color: var(--hl-red);
  border: 1px solid var(--hl-red);
}

.hl-severity-high {
  background-color: rgba(255, 136, 0, 0.2);
  color: var(--hl-orange);
  border: 1px solid var(--hl-orange);
}

.hl-vuln-name {
  flex: 1;
  color: var(--hl-green-dim);
}

.hl-vuln-date {
  font-size: 0.75rem;
  color: var(--hl-green-dark);
  min-width: 90px;
  text-align: right;
}

/* --- APT Cards --- */
.hl-apt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.hl-apt-card {
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-gray-border);
  padding: 25px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.hl-apt-card:hover {
  border-color: var(--hl-green);
  box-shadow: 0 0 15px var(--hl-green-glow);
}

.hl-apt-name {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--hl-green);
}

.hl-apt-alias {
  font-size: 0.75rem;
  color: var(--hl-green-dark);
  margin-bottom: 12px;
}

.hl-apt-desc {
  font-size: 0.85rem;
  color: var(--hl-green-dim);
  line-height: 1.8;
  margin-bottom: 15px;
}

.hl-apt-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.hl-apt-tag {
  font-size: 0.7rem;
  padding: 3px 8px;
  border: 1px solid var(--hl-green-dark);
  color: var(--hl-green-dark);
  border-radius: 2px;
}

/* --- Dark Web Marquee --- */
.hl-marquee-wrapper {
  overflow: hidden;
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-green-dark);
  padding: 12px 0;
}

.hl-marquee-track {
  display: flex;
  white-space: nowrap;
  animation: hl-marquee-scroll 40s linear infinite;
}

@keyframes hl-marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.hl-marquee-item {
  display: inline-flex;
  align-items: center;
  padding: 0 30px;
  font-size: 0.85rem;
  color: var(--hl-green-dim);
}

.hl-marquee-item::before {
  content: '[!]';
  color: var(--hl-yellow);
  margin-right: 8px;
  font-weight: 700;
}

/* --- Malware Analysis --- */
.hl-malware-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
}

.hl-malware-card {
  display: flex;
  gap: 20px;
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-gray-border);
  padding: 20px;
}

.hl-malware-ascii {
  font-size: 0.6rem;
  line-height: 1.2;
  color: var(--hl-green-dark);
  white-space: pre;
  flex-shrink: 0;
  min-width: 100px;
}

.hl-malware-info {
  flex: 1;
}

.hl-malware-name {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--hl-green);
}

.hl-malware-type {
  font-size: 0.75rem;
  color: var(--hl-orange);
  margin-bottom: 10px;
}

.hl-malware-desc {
  font-size: 0.8rem;
  color: var(--hl-green-dim);
  line-height: 1.7;
}

/* --- Timeline --- */
.hl-timeline {
  position: relative;
  padding-left: 30px;
}

.hl-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--hl-green-dark);
}

.hl-timeline-item {
  position: relative;
  margin-bottom: 30px;
  padding-left: 20px;
}

.hl-timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 6px;
  width: 10px;
  height: 10px;
  background-color: var(--hl-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--hl-green);
}

.hl-timeline-date {
  font-size: 0.75rem;
  color: var(--hl-green-dark);
  margin-bottom: 6px;
}

.hl-timeline-title {
  font-size: 1rem;
  color: var(--hl-green);
  margin-bottom: 6px;
}

.hl-timeline-desc {
  font-size: 0.85rem;
  color: var(--hl-green-dim);
  line-height: 1.7;
}

/* --- Report Cards --- */
.hl-report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.hl-report-card {
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-gray-border);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.hl-report-card:hover {
  border-color: var(--hl-green);
}

.hl-report-cover {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--hl-gray-border);
}

.hl-report-body {
  padding: 18px;
}

.hl-report-title {
  font-size: 0.95rem;
  color: var(--hl-green);
  margin-bottom: 8px;
}

.hl-report-meta {
  font-size: 0.75rem;
  color: var(--hl-green-dark);
  margin-bottom: 10px;
}

.hl-report-desc {
  font-size: 0.8rem;
  color: var(--hl-green-dim);
  line-height: 1.7;
}

/* --- Footer --- */
.hl-footer {
  background-color: var(--hl-black);
  border-top: 1px solid var(--hl-green-dark);
  padding: 40px 0 20px;
}

.hl-footer-inner {
  max-width: var(--hl-max-width);
  margin: 0 auto;
  padding: 0 var(--hl-gap);
}

.hl-footer-certs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 1px solid var(--hl-gray-border);
}

.hl-footer-cert {
  font-size: 0.78rem;
  color: var(--hl-green-dim);
  text-align: center;
  padding: 8px 15px;
  border: 1px solid var(--hl-gray-border);
  background-color: var(--hl-gray-dark);
}

.hl-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

.hl-footer-link {
  font-size: 0.8rem;
  color: var(--hl-green-dark);
}

.hl-footer-link:hover {
  color: var(--hl-green);
}

.hl-footer-copy {
  text-align: center;
  font-size: 0.75rem;
  color: var(--hl-green-dark);
  line-height: 2;
}

.hl-footer-auth {
  text-align: center;
  font-size: 0.8rem;
  color: var(--hl-green);
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--hl-gray-border);
  letter-spacing: 1px;
}

/* --- Form Styles (Submit Sample) --- */
.hl-form-group {
  margin-bottom: 20px;
}

.hl-form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--hl-green);
  margin-bottom: 8px;
}

.hl-form-label::before {
  content: '> ';
  color: var(--hl-green-dark);
}

.hl-form-input,
.hl-form-select,
.hl-form-textarea {
  width: 100%;
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-green-dark);
  color: var(--hl-green);
  font-family: var(--hl-font-mono);
  font-size: 0.85rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.hl-form-input:focus,
.hl-form-select:focus,
.hl-form-textarea:focus {
  border-color: var(--hl-green);
  box-shadow: 0 0 8px var(--hl-green-glow);
}

.hl-form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300FF00' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 35px;
}

.hl-form-select option {
  background-color: var(--hl-black);
  color: var(--hl-green);
}

.hl-form-file-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hl-form-file-btn {
  background-color: transparent;
  border: 1px solid var(--hl-green);
  color: var(--hl-green);
  font-family: var(--hl-font-mono);
  font-size: 0.85rem;
  padding: 10px 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.hl-form-file-btn:hover {
  background-color: var(--hl-green);
  color: var(--hl-black);
}

.hl-form-file-name {
  font-size: 0.8rem;
  color: var(--hl-green-dark);
}

.hl-form-submit {
  background-color: var(--hl-green);
  color: var(--hl-black);
  border: none;
  font-family: var(--hl-font-mono);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 40px;
  cursor: pointer;
  letter-spacing: 2px;
  transition: all 0.2s ease;
}

.hl-form-submit:hover {
  background-color: #66ff66;
  box-shadow: 0 0 20px var(--hl-green-glow);
}

/* --- Analysis Terminal Animation --- */
.hl-analysis-terminal {
  background-color: var(--hl-black);
  border: 1px solid var(--hl-green-dark);
  padding: 20px;
  margin-top: 25px;
  display: none;
  min-height: 200px;
  font-size: 0.8rem;
}

.hl-analysis-terminal.hl-active {
  display: block;
}

.hl-analysis-line {
  line-height: 2;
  opacity: 0;
  animation: hl-type-in 0.3s ease forwards;
}

@keyframes hl-type-in {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --- APP Download Page --- */
.hl-app-hero {
  text-align: center;
  padding: 80px 20px;
}

.hl-app-title {
  font-size: 2rem;
  margin-bottom: 20px;
  text-shadow: 0 0 15px var(--hl-green);
}

.hl-app-desc {
  font-size: 1rem;
  color: var(--hl-green-dim);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hl-app-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hl-app-btn {
  display: inline-block;
  border: 2px solid var(--hl-green);
  color: var(--hl-green);
  font-family: var(--hl-font-mono);
  font-size: 1rem;
  padding: 15px 35px;
  text-align: center;
  transition: all 0.3s ease;
  min-width: 220px;
}

.hl-app-btn:hover {
  background-color: var(--hl-green);
  color: var(--hl-black);
  text-shadow: none;
}

.hl-app-btn-label {
  font-size: 0.7rem;
  display: block;
  margin-bottom: 4px;
  color: var(--hl-green-dark);
}

/* --- Article / Inner Page --- */
.hl-article {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px var(--hl-gap);
}

.hl-article-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--hl-gray-border);
}

.hl-article-meta {
  font-size: 0.8rem;
  color: var(--hl-green-dark);
  margin-top: 10px;
}

.hl-article-body {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--hl-green-dim);
}

.hl-article-body p {
  margin-bottom: 20px;
}

.hl-article-body h2 {
  font-size: 1.3rem;
  margin: 35px 0 15px;
  padding-left: 12px;
  border-left: 3px solid var(--hl-green);
}

.hl-article-body h3 {
  font-size: 1.1rem;
  margin: 25px 0 12px;
}

.hl-article-body a {
  border-bottom: 1px dashed var(--hl-green-dark);
}

.hl-article-body a:hover {
  border-bottom-color: var(--hl-green);
}

.hl-article-img {
  margin: 25px 0;
  border: 1px solid var(--hl-gray-border);
}

/* --- Breadcrumb --- */
.hl-breadcrumb {
  padding: 12px 0;
  font-size: 0.78rem;
  color: var(--hl-green-dark);
}

.hl-breadcrumb a {
  color: var(--hl-green-dark);
}

.hl-breadcrumb a:hover {
  color: var(--hl-green);
}

.hl-breadcrumb-sep {
  margin: 0 8px;
}

/* --- Matrix Rain Background --- */
.hl-matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.03;
  pointer-events: none;
}

/* --- Responsive: Mobile First --- */

/* 320px - base mobile */
@media (max-width: 767px) {
  .hl-nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--hl-black);
    border-top: 1px solid var(--hl-green-dark);
    padding: 10px 0;
    order: 3;
  }

  .hl-nav-links.hl-open {
    display: flex;
  }

  .hl-nav-link {
    padding: 10px 15px;
    width: 100%;
  }

  .hl-hamburger {
    display: block;
  }

  .hl-nav-right {
    display: none;
  }

  .hl-hero {
    min-height: 350px;
  }

  .hl-hero-title {
    font-size: 1.4rem;
  }

  .hl-hero-stats {
    gap: 20px;
  }

  .hl-hero-stat-num {
    font-size: 1.4rem;
  }

  .hl-section {
    padding: 35px 0;
  }

  .hl-section-title {
    font-size: 1.2rem;
  }

  .hl-apt-grid {
    grid-template-columns: 1fr;
  }

  .hl-malware-grid {
    grid-template-columns: 1fr;
  }

  .hl-malware-card {
    flex-direction: column;
  }

  .hl-vuln-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .hl-vuln-severity {
    margin: 0;
  }

  .hl-vuln-date {
    text-align: left;
  }

  .hl-report-grid {
    grid-template-columns: 1fr;
  }

  .hl-footer-certs {
    flex-direction: column;
    align-items: center;
  }

  .hl-app-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* 768px - tablet */
@media (min-width: 768px) and (max-width: 1023px) {
  .hl-nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 3;
    border-top: 1px solid var(--hl-green-dark);
    padding: 10px 0;
  }

  .hl-nav-links.hl-open {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hl-hamburger {
    display: block;
  }

  .hl-hero-title {
    font-size: 1.8rem;
  }

  .hl-apt-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hl-report-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 1024px - desktop */
@media (min-width: 1024px) {
  .hl-hamburger {
    display: none;
  }

  .hl-nav-links {
    display: flex !important;
  }

  .hl-hero-title {
    font-size: 2.4rem;
  }

  .hl-apt-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 1440px - large desktop */
@media (min-width: 1440px) {
  :root {
    --hl-font-size-base: 16px;
  }

  .hl-hero {
    min-height: 560px;
  }

  .hl-hero-title {
    font-size: 2.8rem;
  }

  .hl-apt-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --- Scanline Effect --- */
.hl-scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* --- Page-specific overrides --- */
.hl-page-inner .hl-article-body img {
  border: 1px solid var(--hl-gray-border);
  margin: 20px 0;
}

/* --- Data table style --- */
.hl-data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.hl-data-table th,
.hl-data-table td {
  padding: 10px 15px;
  text-align: left;
  border-bottom: 1px solid var(--hl-gray-border);
  font-size: 0.85rem;
}

.hl-data-table th {
  color: var(--hl-green);
  background-color: var(--hl-gray-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hl-data-table td {
  color: var(--hl-green-dim);
}

.hl-data-table tr:hover td {
  background-color: var(--hl-gray-dark);
}

/* --- Feature list for inner pages --- */
.hl-feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
  margin: 25px 0;
}

.hl-feature-item {
  background-color: var(--hl-gray-dark);
  border: 1px solid var(--hl-gray-border);
  padding: 18px;
}

.hl-feature-item:hover {
  border-color: var(--hl-green-dark);
}

.hl-feature-icon {
  font-size: 0.8rem;
  color: var(--hl-green-dark);
  margin-bottom: 8px;
}

.hl-feature-title {
  font-size: 0.9rem;
  color: var(--hl-green);
  margin-bottom: 6px;
}

.hl-feature-desc {
  font-size: 0.8rem;
  color: var(--hl-green-dim);
  line-height: 1.6;
}