/* === Design Tokens === */
:root {
  --bg-primary: #0a1a12;
  --bg-surface: #112419;
  --bg-card: #1a3324;
  --text-primary: #f0f7f2;
  --text-secondary: #8aab96;
  --accent-blue: #308645;
  --accent-blue-hover: #21552F;
  --accent-green: #3CA55B;
  --glow-blue: rgba(48, 134, 69, 0.15);
  --glow-blue-strong: rgba(48, 134, 69, 0.35);
  --border-subtle: rgba(138, 171, 150, 0.1);
  --border-medium: rgba(138, 171, 150, 0.2);
  --font-stack: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --section-padding: 5rem 1.5rem;
  --transition-fast: 0.2s ease;
  --transition-med: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-stack);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* === Typography === */
h1, h2, h3 { font-weight: 700; }
h1 { font-size: 3.5rem; line-height: 1.08; letter-spacing: -0.03em; }
h2 { font-size: 2.25rem; line-height: 1.15; margin-bottom: 1rem; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; line-height: 1.3; margin-bottom: 0.5rem; letter-spacing: -0.01em; }

/* === Layout === */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: var(--section-padding); }

/* Section dividers — subtle gradient lines between sections */
.services, .how-it-works, .stats, .testimonials, .contact {
  border-top: 1px solid var(--border-subtle);
}

/* === Fade-Up Animation === */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* === Nav === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 26, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.875rem 0;
  transition: background var(--transition-med), box-shadow var(--transition-med);
}

.nav.scrolled {
  background: rgba(10, 26, 18, 0.97);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

.nav-logo-svg {
  height: 40px;
  width: auto;
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition-med);
}

.nav-links a:hover { color: var(--text-primary); text-decoration: none; }
.nav-links a:hover::after { width: 100%; }

.nav-portal {
  color: var(--accent-green) !important;
  font-weight: 500;
}

.nav-portal::after { background: var(--accent-green) !important; }

.nav-cta {
  background: var(--accent-blue);
  color: var(--text-primary) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--accent-blue-hover);
  text-decoration: none !important;
  box-shadow: 0 0 20px var(--glow-blue);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* === Hero === */
.hero {
  position: relative;
  padding: 12rem 1.5rem 7rem;
  text-align: center;
  overflow: hidden;
  background: var(--bg-primary);
}

/* Animated mesh gradient background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 70% 60% at 50% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  animation: heroMeshMove 12s ease-in-out infinite alternate;
  z-index: 0;
}

@keyframes heroMeshMove {
  0% {
    background:
      radial-gradient(ellipse 80% 50% at 20% 40%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
      radial-gradient(ellipse 60% 40% at 80% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
      radial-gradient(ellipse 70% 60% at 50% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  }
  50% {
    background:
      radial-gradient(ellipse 70% 60% at 40% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 60%),
      radial-gradient(ellipse 80% 50% at 60% 70%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
      radial-gradient(ellipse 50% 40% at 30% 60%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
  }
  100% {
    background:
      radial-gradient(ellipse 60% 50% at 70% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 60%),
      radial-gradient(ellipse 70% 40% at 30% 30%, rgba(16, 185, 129, 0.07) 0%, transparent 50%),
      radial-gradient(ellipse 80% 60% at 60% 20%, rgba(59, 130, 246, 0.09) 0%, transparent 50%);
  }
}

/* Dot grid pattern overlay */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 1;
}

/* Floating particles */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent-blue);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 7s; }
.particle:nth-child(2) { left: 25%; top: 60%; animation-delay: 1s; animation-duration: 9s; }
.particle:nth-child(3) { left: 45%; top: 30%; animation-delay: 2s; animation-duration: 6s; }
.particle:nth-child(4) { left: 65%; top: 70%; animation-delay: 0.5s; animation-duration: 8s; }
.particle:nth-child(5) { left: 80%; top: 25%; animation-delay: 1.5s; animation-duration: 10s; }
.particle:nth-child(6) { left: 90%; top: 50%; animation-delay: 3s; animation-duration: 7s; }
.particle:nth-child(7) { left: 35%; top: 80%; animation-delay: 2.5s; animation-duration: 9s; }
.particle:nth-child(8) { left: 55%; top: 15%; animation-delay: 0.8s; animation-duration: 6.5s; }

@keyframes particleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(1); }
  20% { opacity: 0.6; }
  50% { opacity: 0.3; transform: translateY(-40px) scale(1.5); }
  80% { opacity: 0.5; }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 { margin-bottom: 1.5rem; }

/* Gradient text on "AI Systems" */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, #3CA55B 40%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* CTA button with pulse glow */
.hero-cta {
  display: inline-block;
  background: var(--accent-blue);
  color: var(--text-primary);
  padding: 1rem 2.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  position: relative;
  animation: ctaPulse 3s ease-in-out infinite;
}

.hero-cta:hover {
  background: var(--accent-blue-hover);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
  animation: none;
}

@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  50% { box-shadow: 0 0 20px 4px rgba(59, 130, 246, 0.2); }
}

/* === Trusted By === */
.trusted-by {
  padding: 3rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.trusted-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.trusted-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trusted-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: rgba(148, 163, 184, 0.4);
  letter-spacing: 0.04em;
  transition: color var(--transition-med), opacity var(--transition-med);
  white-space: nowrap;
  text-transform: uppercase;
}

.trusted-logo svg {
  width: 22px;
  height: 22px;
  opacity: 0.6;
  transition: opacity var(--transition-med);
}

.trusted-logo:hover {
  color: rgba(148, 163, 184, 0.65);
}

.trusted-logo:hover svg {
  opacity: 0.85;
}

/* === Services === */
.services { background: var(--bg-surface); }

.services h2 { text-align: center; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.service-card {
  background: var(--bg-card);
  padding: 2.5rem 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  transition: transform var(--transition-med), border-color var(--transition-med), box-shadow var(--transition-med);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.15), 0 0 0 1px rgba(59, 130, 246, 0.1);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.04) 0%, var(--bg-card) 100%);
}

.service-card svg {
  width: 56px;
  height: 56px;
  margin-bottom: 1.25rem;
  color: var(--accent-blue);
  padding: 12px;
  background: rgba(59, 130, 246, 0.08);
  border-radius: 12px;
  transition: background var(--transition-med), color var(--transition-med), transform var(--transition-med);
}

.service-card:hover svg {
  background: rgba(59, 130, 246, 0.15);
  transform: scale(1.05);
}

.service-card h3 { color: var(--text-primary); }
.service-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.65; }

/* === How It Works === */
.how-it-works { text-align: center; }
.how-it-works h2 { text-align: center; }

.steps {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  max-width: 300px;
  min-width: 200px;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.25rem;
  box-shadow: 0 0 24px var(--glow-blue);
  transition: box-shadow var(--transition-med), transform var(--transition-med);
}

.step:hover .step-number {
  box-shadow: 0 0 32px var(--glow-blue-strong);
  transform: scale(1.05);
}

.step h3 { color: var(--accent-green); }
.step p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.65; }

/* === Stats === */
.stats { background: var(--bg-surface); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--accent-green);
  line-height: 1.1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* === Testimonials === */
.testimonials { text-align: center; }
.testimonials h2 { text-align: center; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
  text-align: left;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-blue);
  border-radius: 12px;
  padding: 2.5rem 2rem 2rem;
  position: relative;
  transition: border-color var(--transition-med), box-shadow var(--transition-med);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 3rem;
  color: var(--accent-blue);
  opacity: 0.3;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.08);
}

.testimonial-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  padding-top: 0.5rem;
}

.testimonial-card {
  position: relative;
  overflow: hidden;
}

.testimonial-card::after {
  content: '';
  position: absolute;
  top: -2rem;
  right: -2rem;
  width: 8rem;
  height: 8rem;
  background: var(--accent-blue);
  opacity: 0.03;
  border-radius: 50%;
  filter: blur(30px);
  transition: opacity var(--transition-med);
}

.testimonial-card:hover::after {
  opacity: 0.08;
}

.testimonial-card footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.testimonial-card cite {
  font-style: normal;
  font-size: 0.9rem;
}

.testimonial-card cite strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.15rem;
}

.testimonial-card cite span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* === About === */
.about {
  text-align: center;
  background: var(--bg-surface);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
  border-radius: 2px;
}

.about h2 { margin-bottom: 2rem; }

.about p {
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 1.25rem;
  line-height: 1.8;
  font-size: 1.05rem;
}

/* === Contact === */
.contact { background: var(--bg-surface); }
.contact h2 { text-align: center; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-field {
  position: relative;
}

.form-field input,
.form-field textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 8px;
  padding: 1.25rem 1rem 0.5rem;
  color: var(--text-primary);
  font-family: var(--font-stack);
  font-size: 1rem;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field label {
  position: absolute;
  left: 1rem;
  top: 0.875rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  pointer-events: none;
  transition: all 0.2s ease;
}

.form-field input:focus ~ label,
.form-field input:not(:placeholder-shown) ~ label,
.form-field textarea:focus ~ label,
.form-field textarea:not(:placeholder-shown) ~ label {
  top: 0.35rem;
  font-size: 0.7rem;
  color: var(--accent-blue);
  letter-spacing: 0.04em;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--glow-blue);
}

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

/* Validation check mark */
.field-check {
  position: absolute;
  right: 0.75rem;
  top: 0.875rem;
  color: var(--accent-green);
  font-size: 1rem;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.form-field input:valid:not(:placeholder-shown) ~ .field-check {
  opacity: 1;
  transform: scale(1);
}

.form-field input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: rgba(239, 68, 68, 0.5);
}

.contact-submit {
  background: linear-gradient(135deg, var(--accent-blue), #3CA55B);
  color: var(--text-primary);
  border: none;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-submit svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.contact-submit:hover {
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
}

.contact-submit:hover svg {
  transform: translateX(3px);
}

.contact-info { color: var(--text-secondary); }
.contact-info h3 { color: var(--text-primary); margin-bottom: 1rem; }
.contact-info p { margin-bottom: 0.75rem; line-height: 1.7; }

/* === Footer === */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 0;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--text-primary); text-decoration: none; }

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-social a:hover { color: var(--accent-blue); text-decoration: none; }

.footer-social svg { width: 20px; height: 20px; }

.footer-copy { color: var(--text-secondary); font-size: 0.85rem; width: 100%; text-align: center; margin-top: 1rem; }

/* === Responsive === */
@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 26, 18, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    gap: 0;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
  }

  .nav-links.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    animation: navSlideDown 0.3s ease forwards;
  }

  @keyframes navSlideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-links li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links li:last-child { border-bottom: none; }

  .nav-links a { font-size: 1rem; }
  .nav-links a::after { display: none; }

  .nav-toggle { display: block; }

  .hero { padding: 8rem 1.5rem 4.5rem; }

  .trusted-logos { gap: 1.5rem; }
  .trusted-logo { font-size: 0.9rem; }

  .contact-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; }

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

  .contact-submit { width: 100%; justify-content: center; }

  .footer .container { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.875rem; }
  .hero p { font-size: 1.05rem; }
  .section { padding: 3.5rem 1rem; }
}

/* === Blog Styles === */

/* Blog Hero (listing page) */
.blog-hero {
  padding: 10rem 1.5rem 4rem;
  text-align: center;
  background: var(--bg-primary);
  position: relative;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 60%, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
  z-index: 0;
}

.blog-hero .container { position: relative; z-index: 1; }

.blog-hero h1 { margin-bottom: 1rem; }

.blog-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Blog Grid */
.blog-listing { background: var(--bg-surface); }

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 820px;
  margin: 0 auto;
}

/* Blog Card */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2.25rem 2rem;
  transition: transform var(--transition-med), border-color var(--transition-med), box-shadow var(--transition-med);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.blog-card-meta time { color: var(--text-secondary); }

.blog-card-tag {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.blog-card h2 a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.blog-card h2 a:hover { color: var(--accent-blue); text-decoration: none; }

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.blog-card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-blue);
  transition: color var(--transition-fast);
}

.blog-card-link:hover { color: var(--accent-blue-hover); text-decoration: none; }

/* === Article Page Styles === */

.article-page { padding-top: 5rem; }

.article-header {
  padding: 5rem 1.5rem 3rem;
  text-align: center;
  background: var(--bg-primary);
  position: relative;
}

.article-header::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
  border-radius: 2px;
}

.article-back {
  display: inline-block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  transition: color var(--transition-fast);
}

.article-back:hover { color: var(--accent-blue); text-decoration: none; }

.article-header h1 {
  font-size: 2.5rem;
  max-width: 800px;
  margin: 0 auto 1.25rem;
  line-height: 1.15;
}

.article-byline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.article-author { color: var(--accent-blue); font-weight: 500; }
.article-separator { opacity: 0.4; }
.article-read-time { color: var(--text-secondary); }

/* Article Body */
.article-body {
  padding: 3.5rem 1.5rem 5rem;
  background: var(--bg-surface);
}

.article-container {
  max-width: 720px;
  margin: 0 auto;
}

.article-lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  border-left: 3px solid var(--accent-blue);
  padding-left: 1.25rem;
}

.article-body h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article-body p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.article-body strong { color: var(--text-primary); }

/* Article CTA Box */
.article-cta-box {
  margin-top: 3rem;
  padding: 2.5rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  text-align: center;
}

.article-cta-box h3 {
  color: var(--text-primary);
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.article-cta-box .hero-cta {
  font-size: 1rem;
  padding: 0.875rem 2rem;
}

/* Blog Responsive */
@media (max-width: 768px) {
  .blog-hero { padding: 8rem 1.5rem 3rem; }

  .article-header h1 { font-size: 1.85rem; }
  .article-header { padding: 4rem 1.5rem 2.5rem; }

  .article-byline { font-size: 0.8rem; gap: 0.5rem; }

  .article-body { padding: 2.5rem 1rem 4rem; }

  .article-body h2 { font-size: 1.3rem; }
}

@media (max-width: 480px) {
  .blog-hero h1 { font-size: 1.875rem; }
  .blog-card { padding: 1.75rem 1.25rem; }
  .article-header h1 { font-size: 1.6rem; }
  .article-cta-box { padding: 2rem 1.25rem; }
}