/* ==========================================================================
   BRUTALIST DESIGN SYSTEM - YUNSHANGJISU (CLOUD VELOCITY)
   Palette: #000000 (Black), #FFFFFF (White), #FF0000 (Signal Red)
   Typography: Archivo Black (Headings), JetBrains Mono (Body/Code/Stats)
   Zero rounded corners, 3-4px hard borders, 8px 8px 0 hard drop shadows.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=JetBrains+Mono:wght@400;500;700;800&display=swap');

:root {
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-red: #FF0000;
  --color-red-dim: #D60000;
  --color-gray-light: #F4F4F0;
  --color-gray-mid: #E0E0E0;
  --border-thick: 3px solid #000000;
  --border-heavy: 4px solid #000000;
  --border-red: 3px solid #FF0000;
  --shadow-hard: 8px 8px 0 #000000;
  --shadow-hard-red: 8px 8px 0 #FF0000;
  --shadow-hard-sm: 4px 4px 0 #000000;
  --font-heading: 'Archivo Black', Impact, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* STRICT BRUTALISM: NO ROUNDED CORNERS */
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-white);
  color: var(--color-black);
}

body {
  font-family: var(--font-mono);
  background-color: #F8F8F8;
  color: var(--color-black);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background grid pattern */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.06) 1px, transparent 1px);
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: -0.5px;
  line-height: 1.1;
  color: var(--color-black);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 16px;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  margin-bottom: 12px;
}

p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

a {
  color: var(--color-black);
  text-decoration: none;
}

/* Brutalist Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-transform: uppercase;
  padding: 16px 28px;
  border: var(--border-heavy);
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.1s ease;
  user-select: none;
  font-weight: 900;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn-primary:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  transform: translate(-3px, -3px);
  box-shadow: 11px 11px 0 #FF0000;
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-black);
}

.btn-secondary:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  transform: translate(-3px, -3px);
  box-shadow: 11px 11px 0 #000000;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-hard-sm);
}

.btn-sm:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #000;
}

.btn:active {
  transform: translate(4px, 4px);
  box-shadow: 2px 2px 0 #000;
}

/* Brutalist Badge / Sticker */
.sticker {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-red);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  border: var(--border-thick);
  box-shadow: 4px 4px 0 #000;
  text-transform: uppercase;
}

.sticker-rotate-left {
  transform: rotate(-3deg);
}

.sticker-rotate-right {
  transform: rotate(2.5deg);
}

.sticker-yellow {
  background-color: #FFFF00;
  color: #000;
}

.sticker-white {
  background-color: #FFFFFF;
  color: #000;
}

/* ASCII & System Bars */
.ascii-banner {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.2;
  white-space: pre;
  background-color: var(--color-black);
  color: #00FF66;
  padding: 12px;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  overflow-x: auto;
  margin-bottom: 24px;
}

.top-bar-ticker {
  background-color: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px 0;
  border-bottom: var(--border-thick);
  overflow: hidden;
  white-space: nowrap;
}

.top-bar-ticker span {
  display: inline-block;
  margin-right: 32px;
}

/* Navbar */
.navbar {
  background-color: var(--color-white);
  border-bottom: var(--border-heavy);
  position: sticky;
  top: 0;
  z-index: 999;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  min-height: 70px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  padding: 0 15px;
  background-color: var(--color-white);
  border-right: var(--border-thick);
  letter-spacing: -1px;
}

.brand-logo .dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: var(--color-red);
  border: 2px solid #000;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-item a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  border-left: var(--border-thick);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-item a:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.nav-item.nav-highlight a {
  background-color: var(--color-red);
  color: var(--color-white);
}

.nav-item.nav-highlight a:hover {
  background-color: var(--color-black);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  border-left: var(--border-thick);
  padding: 0 20px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.2rem;
}

/* Hero Section */
.hero-section {
  padding: 60px 0 80px;
  border-bottom: var(--border-heavy);
  background-color: #FFFFFF;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  position: relative;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 700;
  background-color: #000;
  color: #FFF;
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 18px;
}

.hero-desc {
  font-size: 1.15rem;
  color: #222;
  margin-bottom: 28px;
  max-width: 650px;
  border-left: 4px solid var(--color-red);
  padding-left: 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-status-box {
  background: #FFF;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 24px;
  position: relative;
}

.hero-status-header {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 8px 12px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  margin: -24px -24px 20px -24px;
  display: flex;
  justify-content: space-between;
}

.status-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 2px dashed #000;
  font-size: 0.95rem;
  font-weight: 700;
}

.status-row:last-child {
  border-bottom: none;
}

.status-badge {
  color: #009900;
  font-weight: 800;
}

/* Sections Common */
.section {
  padding: 80px 0;
  border-bottom: var(--border-heavy);
}

.section-alt {
  background-color: #F0F0EE;
}

.section-header {
  margin-bottom: 48px;
  position: relative;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-red);
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
}

/* Advantage Cards */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.brutal-card {
  background-color: var(--color-white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 30px 24px;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.brutal-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--color-black);
}

.card-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 1;
  color: var(--color-red);
  margin-bottom: 12px;
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: 14px;
}

/* Streaming & AI Cards */
.unlock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.unlock-box {
  background-color: var(--color-white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 28px;
}

.unlock-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.unlock-item {
  border: 2px solid #000;
  padding: 8px 14px;
  font-weight: 700;
  background-color: #F6F6F6;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.unlock-item .tag-ok {
  background-color: var(--color-black);
  color: #00FF66;
  font-size: 0.75rem;
  padding: 2px 6px;
}

/* Raw Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  background-color: var(--color-white);
  margin-top: 24px;
}

.brutal-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.brutal-table th, .brutal-table td {
  padding: 14px 18px;
  border: 2px solid #000000;
}

.brutal-table th {
  background-color: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.5px;
}

.brutal-table tr:hover {
  background-color: #FFF9D2;
}

.badge-online {
  background-color: #00FF66;
  color: #000;
  font-weight: 800;
  padding: 3px 8px;
  border: 2px solid #000;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pricing-card {
  background-color: var(--color-white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--color-red);
  box-shadow: var(--shadow-hard-red);
  background-color: #FFFDF9;
}

.pricing-featured-tag {
  position: absolute;
  top: -14px;
  right: 14px;
  background-color: var(--color-red);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  padding: 4px 10px;
  border: 2px solid #000;
}

.plan-name {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.plan-price {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  margin: 16px 0 8px;
  color: var(--color-black);
}

.plan-price span {
  font-size: 1rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

.plan-features {
  list-style: none;
  margin: 20px 0;
  border-top: 2px dashed #000;
  padding-top: 14px;
}

.plan-features li {
  padding: 6px 0;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-features li::before {
  content: "✔";
  color: var(--color-red);
  font-weight: 900;
}

/* Reviews / Testimonials */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background-color: var(--color-white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 24px;
}

.review-stars {
  color: var(--color-red);
  font-size: 1.2rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 16px;
  color: #111;
}

.review-author {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  border-top: 2px solid #000;
  padding-top: 10px;
  display: flex;
  justify-content: space-between;
}

/* FAQ Accordion / Grid */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.faq-item {
  background-color: var(--color-white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 24px;
}

.faq-item h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 6px 10px;
}

/* Footer (STRICT: ONLY 4 links opening in new tab) */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 60px 0 40px;
  border-top: var(--border-heavy);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 2px solid #333;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-white);
}

.footer-links-four {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links-four a {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-decoration: underline;
  text-underline-offset: 6px;
  transition: color 0.15s ease;
}

.footer-links-four a:hover {
  color: var(--color-red);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #AAA;
}

/* Content Page Layouts (About, Terms, Privacy, Sitemap, News, Articles) */
.article-header {
  padding: 60px 0 40px;
  background-color: #FFFFFF;
  border-bottom: var(--border-heavy);
}

.article-content {
  background-color: #FFFFFF;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 40px;
  margin: 40px 0 80px;
}

.article-content h2 {
  border-left: 8px solid var(--color-red);
  padding-left: 14px;
  margin: 36px 0 16px;
}

.article-content h3 {
  margin: 24px 0 12px;
}

.article-content ul, .article-content ol {
  margin-left: 24px;
  margin-bottom: 20px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  border: var(--border-thick);
  background-color: #FFF9D2;
  padding: 18px 24px;
  margin: 24px 0;
  font-weight: 700;
}

.article-content a {
  color: var(--color-red);
  text-decoration: underline;
  font-weight: 700;
}

.article-content a:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.article-card-link {
  display: block;
  background-color: #FFF;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  padding: 24px;
  margin-bottom: 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.article-card-link:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--color-red);
}

/* Responsive Media Queries (@media) */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 70px;
    left: 0;
    background-color: #FFF;
    border-bottom: var(--border-heavy);
  }
  .nav-menu.active {
    display: flex;
  }
  .nav-item a {
    border-left: none;
    border-top: var(--border-thick);
    padding: 16px 20px;
    width: 100%;
  }
  .nav-toggle {
    display: block;
  }
  .unlock-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-links-four {
    flex-direction: column;
    gap: 16px;
  }
  .btn {
    width: 100%;
    padding: 16px 20px;
  }
  .article-content {
    padding: 20px 16px;
  }
}