/* =============================================
   AIAgentsHarness.com — Global Styles
   ============================================= */

:root {
  --color-bg: #0a0e17;
  --color-bg-alt: #111827;
  --color-bg-card: #1a2234;
  --color-surface: #1e293b;
  --color-border: #2d3a52;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-glow: rgba(59, 130, 246, 0.25);
  --color-highlight: #06b6d4;
  --color-success: #10b981;
  --color-gradient-start: #3b82f6;
  --color-gradient-end: #06b6d4;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--color-accent-glow);
  --transition: 0.25s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  color: var(--color-highlight);
}

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

/* ---- Typography ---- */

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 700;
  color: #f8fafc;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }

p { margin-bottom: 1rem; }

.text-muted { color: var(--color-text-muted); }
.text-gradient {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Layout ---- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  flex: 1;
}

section {
  padding: 5rem 0;
}

section:nth-child(even) {
  background-color: var(--color-bg-alt);
}

/* ---- Header / Navigation ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: #f8fafc;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.logo:hover { color: #f8fafc; }

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.main-nav a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: #f8fafc;
  background: var(--color-surface);
}

/* ---- Nav Dropdown ---- */

.main-nav > ul > li {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  color: var(--color-text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  font-family: var(--font-sans);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle.active,
.nav-dropdown.open > .nav-dropdown-toggle {
  color: #f8fafc;
  background: var(--color-surface);
}

.nav-dropdown-icon {
  transition: transform var(--transition);
}

.nav-dropdown.open > .nav-dropdown-toggle .nav-dropdown-icon {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 280px;
  list-style: none;
  padding: 0.4rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--transition);
  z-index: 100;
}

.nav-dropdown-menu li {
  width: 100%;
}

.nav-dropdown:hover > .nav-dropdown-menu,
.nav-dropdown.open > .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  width: 100%;
  padding: 0.65rem 0.85rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: normal;
  transition: all var(--transition);
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
  color: #f8fafc;
  background: var(--color-surface);
}

.nav-dropdown-menu li:first-child a {
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.25rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.nav-dropdown-menu li:first-child a:hover {
  color: var(--color-highlight);
  background: var(--color-surface);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--color-accent-glow);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* ---- Hero ---- */

.hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--color-highlight);
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero-domain {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-highlight);
  margin-bottom: 1.5rem;
  word-break: break-all;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Cards ---- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---- Section Headers ---- */

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

/* ---- Domain Info ---- */

.domain-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.domain-details {
  list-style: none;
}

.domain-details li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.domain-details li strong {
  color: var(--color-text);
  min-width: 140px;
}

.domain-price-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.domain-price-box .price-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.domain-price-box .price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-highlight);
  margin-bottom: 0.5rem;
}

.domain-price-box .price-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* ---- Articles Preview ---- */

.article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.article-card .card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.article-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.article-card .read-more {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---- Contact / Inquiry ---- */

.inquiry-form {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

/* ---- Article Page ---- */

.article-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--color-border);
}

.article-hero .container {
  max-width: 780px;
}

.article-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.article-body {
  padding: 3rem 0 5rem;
}

.article-body .container {
  max-width: 780px;
}

.article-body h2 {
  margin: 2.5rem 0 1rem;
  font-size: 1.5rem;
}

.article-body h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
}

.article-body p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--color-bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text);
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--color-text-muted);
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body .highlight-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem 0;
}

.article-body .highlight-box strong {
  color: var(--color-highlight);
}

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.article-nav a {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---- Footer ---- */

.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 3.5rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---- Stats Bar ---- */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-top: -3rem;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
}

.stat-item .stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-highlight);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ---- Toast / Form feedback ---- */

.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background: var(--color-success);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transform: translateY(120%);
  transition: transform 0.4s ease;
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
  .domain-showcase {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .main-nav ul {
    flex-direction: column;
  }

  .main-nav a {
    padding: 0.75rem 1rem;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 0.75rem 1rem;
  }

  .nav-dropdown-menu {
    display: flex;
    flex-direction: column;
    position: static;
    min-width: 0;
    width: 100%;
    margin: 0.25rem 0 0.5rem;
    padding: 0.25rem 0 0.25rem 0.75rem;
    background: transparent;
    border: none;
    border-left: 2px solid var(--color-border);
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transform: none;
    transition: max-height var(--transition), visibility var(--transition);
  }

  .nav-dropdown.open > .nav-dropdown-menu {
    visibility: visible;
    max-height: 500px;
  }

  .nav-dropdown:hover > .nav-dropdown-menu {
    visibility: hidden;
    max-height: 0;
  }

  .nav-dropdown.open:hover > .nav-dropdown-menu {
    visibility: visible;
    max-height: 500px;
  }

  .nav-dropdown-menu a {
    white-space: normal;
    padding: 0.6rem 0.75rem;
  }

  .nav-dropdown-menu li:first-child a {
    border-bottom: none;
    margin-bottom: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
    margin-top: 0;
  }

  section {
    padding: 3.5rem 0;
  }
}