/* ==========================================================================
   Active Matter Extraction Companion - Global Responsive Stylesheet
   Theme: Cold Military Sci-Fi / Tactical Quantum Anomaly
   ========================================================================== */

:root {
  --bg-main: #0c0d0e;
  --bg-surface: #13161a;
  --bg-card: #181c22;
  --bg-card-hover: #1f242c;
  --border-dim: #252b35;
  --border-highlight: #ff5323;
  --brand-primary: #ff5323;
  --brand-cyan: #00d2ff;
  --brand-violet: #8b5cf6;
  --brand-gold: #f59e0b;
  --text-main: #ffffff;
  --text-secondary: #94a3b8;
  --text-dim: #64748b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --transition-fast: 0.15s ease-in-out;
  --max-width: 1200px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  width: 100%;
}

body {
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Base Utility Classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  max-width: min(var(--max-width), calc(100vw - 32px));
  margin: 0 auto;
  padding: 0 20px;
  min-width: 0;
}

a {
  color: var(--brand-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #38bdf8;
}

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

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(12, 13, 14, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dim);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text-main);
  min-width: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: block;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-title {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: #fff;
  line-height: 1.2;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 6px 0;
}

.nav-link:hover {
  color: #fff;
}

.nav-cta {
  background-color: #ff532320;
  color: #ff5323;
  border: 1px solid #ff532360;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background-color: #ff5323;
  color: #fff;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-dim);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.1rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 50px 0 60px;
  border-bottom: 1px solid var(--border-dim);
  background: radial-gradient(circle at 80% 20%, rgba(255, 83, 35, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(0, 210, 255, 0.04) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-grid > *,
.feature-row > *,
.hero-content,
.feature-content,
.hero-meta-bar,
.meta-item,
.card {
  min-width: 0;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 83, 35, 0.12);
  border: 1px solid rgba(255, 83, 35, 0.4);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  width: fit-content;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}

.status-chip::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--brand-primary);
  box-shadow: 0 0 8px var(--brand-primary);
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #ffffff;
  overflow-wrap: anywhere;
}

.hero-title span {
  color: var(--brand-primary);
}

.hero-subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 14px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta-val {
  font-weight: 600;
  color: #fff;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
  min-width: 0;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background-color: #ff6a3d;
  color: #fff;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: #fff;
  border: 1px solid var(--border-dim);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--bg-card);
  border-color: #475569;
  color: #fff;
}

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 83, 35, 0.3);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

.hero-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.hero-media-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 16px;
  background: linear-gradient(to top, rgba(12, 13, 14, 0.95), rgba(12, 13, 14, 0.4) 80%, transparent);
  font-size: 0.78rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Sections Global */
.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--border-dim);
}

.section-header {
  margin-bottom: 36px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  display: block;
}

.section-title {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 8px;
  max-width: 780px;
}

/* Cards Grid */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 24px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 83, 35, 0.5);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.card-media-wrap {
  position: relative;
  overflow: hidden;
  background-color: #000;
}

.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-img {
  transform: scale(1.02);
}

.card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.card-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brand-cyan);
}

.card-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
}

.card-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.88rem;
  color: #cbd5e1;
}

.card-list li {
  position: relative;
  padding-left: 18px;
}

.card-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--brand-primary);
}

.card-caption {
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 8px 12px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-dim);
  font-style: italic;
}

/* Two-column Feature Row */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 48px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.feature-row.reverse {
  direction: rtl;
}
.feature-row.reverse > * {
  direction: ltr;
}

.feature-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-dim);
}

/* Callout Box */
.callout {
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 83, 35, 0.08);
  border-left: 4px solid var(--brand-primary);
  margin: 20px 0;
}

.callout h5 {
  color: var(--brand-primary);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.callout p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  margin-top: 20px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-dim);
}

.data-table th {
  background-color: var(--bg-card);
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.03em;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.badge-official {
  display: inline-block;
  background-color: rgba(0, 210, 255, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(0, 210, 255, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-obs {
  display: inline-block;
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* FAQ Accordion Grid */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 20px;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 22px;
}

.faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.faq-a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background-color: #070809;
  border-top: 1px solid var(--border-dim);
  padding: 50px 0 30px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-top: 12px;
  max-width: 420px;
}

.footer-col h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-dim);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .header-inner {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
  .brand-link {
    max-width: calc(100% - 52px);
  }
  .site-header,
  main,
  .site-footer,
  .section,
  .hero-section,
  .hero-grid,
  .feature-row,
  .cards-grid-2,
  .faq-grid {
    width: 100%;
    max-width: 100%;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .feature-row, .feature-row.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: rgba(12, 13, 14, 0.98);
    border-bottom: 1px solid var(--border-dim);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 16px;
  }
  .main-nav.is-open {
    display: flex;
  }
  .menu-toggle {
    display: block;
    flex: 0 0 auto;
  }
  .status-chip {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions > a {
    width: 100%;
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: rgba(12, 13, 14, 0.98);
    border-bottom: 1px solid var(--border-dim);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 16px;
  }
  .main-nav.is-open {
    display: flex;
  }
  .menu-toggle {
    display: block;
    flex: 0 0 auto;
  }
  .cards-grid-3, .faq-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .brand-link {
    gap: 10px;
  }
  .brand-icon {
    width: 34px;
    height: 34px;
  }
  .brand-title {
    font-size: 1rem;
  }
  .brand-badge {
    font-size: 0.62rem;
  }
  .status-chip {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions > a {
    width: 100%;
    justify-content: center;
  }
}