:root {
  --bg: #07111F;
  --bg-2: #0B1626;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-solid: #0B1626;
  --text: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --primary: #2563EB;
  --accent: #06B6D4;
  --accent-soft: rgba(6, 182, 212, 0.12);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --radius: 16px;
  --radius-sm: 12px;
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(960px, 92%);
  margin: 0 auto;
}

.container-narrow {
  width: min(840px, 92%);
  margin: 0 auto;
}

.site-header .container,
.site-footer .container {
  width: min(840px, 92%);
}

/* Header / Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 96px;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
  background: rgba(7, 17, 31, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.site-header.scrolled {
  background: rgba(7, 17, 31, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  font-size: 18px;
}

.brand img { height: 36px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-cta {
  background: linear-gradient(90deg, var(--primary), #1d4ed8);
  color: #FFFFFF !important;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
}

.nav-cta:hover {
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.35);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--text);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7, 17, 31, 0.98);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: var(--text);
  font-size: 24px;
  font-weight: 600;
}

.mobile-menu a:hover { color: var(--accent); }

/* Sections */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  color: var(--text);
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Hero background animation (Home page only) */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  background: #050816 url('../images/hero-animation.png') center center / cover no-repeat;
  animation: heroKenBurns 25s ease-in-out infinite alternate;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(7, 17, 31, 0.3) 0%, rgba(7, 17, 31, 0.7) 100%);
  z-index: 1;
}



.hero-beam {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 256px;
  overflow: hidden;
  transform: skewY(-6deg);
  transform-origin: bottom left;
  z-index: 1;
}

.hero-beam::before {
  content: "";
  position: absolute;
  inset: 0;
  animation: heroBeamPulse 4s ease-in-out infinite;
}

@keyframes heroKenBurns {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.08) translate(-2%, -1%); }
}

@keyframes heroBeamPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.9; }
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at top, var(--bg-2) 0%, var(--bg) 60%);
  color: var(--text);
  overflow: hidden;
  min-height: 90vh;
  padding: 170px 0 100px;
}

.hero-inner {
  position: relative;
  z-index: 3;
}

.hero h1 {
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.05;
  margin-bottom: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(20px, 2.4vw, 24px);
  color: #FFFFFF;
  max-width: 680px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-smaller {
  min-height: 40vh;
  padding: 150px 0 80px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary), #1d4ed8);
  color: #fff;
  box-shadow: 0 0 24px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(37, 99, 235, 0.45);
}

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

.btn-secondary:hover {
  background: rgba(6, 182, 212, 0.08);
  transform: translateY(-2px);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.7;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.08);
}

.card i {
  font-size: 40px;
  color: var(--accent);
  margin-bottom: 20px;
  display: inline-block;
}

.card h3 {
  font-size: 22px;
  color: var(--text);
  margin-bottom: 12px;
  font-weight: 700;
}

.card p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover { color: var(--primary); }

/* Glass card utility */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

/* Stats cards */
.stat-card {
  text-align: center;
  padding: 32px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.08);
}

/* Trust bar */
.trust-bar {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.trust-pills {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pill-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 4px;
  display: inline-block;
}

/* About teaser */
.about-teaser {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.about-teaser p {
  color: var(--text-muted);
  font-size: 20px;
  margin-bottom: 24px;
}

.founder-photo {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  margin: 0 auto 24px;
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.15);
}

/* .founder-photo svg {
  width: 100%;
  height: auto;
  display: block;
} */

.founder-photo img{
  width: 245px;
  height: 245px;
  border-radius: 50%;
  object-position: top;
  object-fit: cover;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.icon-badge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.icon-badge:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.4);
}

.icon-badge i {
  font-size: 32px;
  color: var(--accent);
}

.icon-badge span {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.3;
}

/* Stats */
.stats-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 22px;
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

/* CTA banner */
.cta-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  padding: 64px 40px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.cta-banner h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 3vw, 40px);
}

.cta-banner p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 28px;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 40px;
}

.form-group { margin-bottom: 22px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 16px;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  height: fit-content;
}

.contact-visual {
  margin-bottom: 28px;
  max-width: 200px;
}

.contact-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.contact-details p {
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 16px;
}

.contact-details strong {
  color: var(--text);
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-details a:hover {
  color: var(--primary);
}

/* Process timeline */
.process {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  text-align: center;
  position: relative;
}

.process::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.4;
  z-index: 0;
}

.process-step {
  flex: 1;
  position: relative;
  z-index: 1;
  font-weight: 600;
  color: var(--text);
}

.process-step span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.15);
}

/* Footer */
.site-footer {
  background: var(--surface-solid);
  color: var(--text-muted);
  padding: 48px 0 28px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

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

.footer-bottom {
  text-align: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-dim);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Keyframes */
/* Responsive */
@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .nav-links {
    display: none;
  }

  .hero h1 { font-size: clamp(36px, 10vw, 56px); }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero-smaller { min-height: auto; padding: 110px 0 60px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  .values-grid { grid-template-columns: 1fr; }
  .process { flex-direction: column; }
  .process::before { display: none; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-visual { max-width: 160px; }

  .hero-orb-1 { width: 260px; height: 260px; }
  .hero-orb-2 { width: 200px; height: 200px; }
  .hero-orb-3 { width: 180px; height: 180px; }
}

/* Certification badges */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.cert-badge:hover {
  border-color: #06B6D4;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.cert-badge img {
  height: 150px;
  width: auto;
  margin-top: 15px;
}

.cert-badge .cert-abbr {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}

.cert-badge .cert-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 16px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

/* Section heading helper */
.section-heading {
  font-size: 20px;
  color: var(--text);
  margin-bottom: 8px;
  text-align: center;
}

.section-heading-sm {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 8px;
  text-align: center;
}

.section-heading-mt {
  margin-top: 32px;
}

/* About contact links */
.about-contact-links {
  margin-top: 32px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.1);
}

/* Solution cards */
.solution-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.7;
}

.solution-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.08);
}

.solution-card i {
  font-size: 40px;
  color: var(--accent);
  margin-bottom: 16px;
  display: inline-block;
}

.solution-card h3 {
  font-size: 22px;
  color: var(--text);
  margin-bottom: 12px;
  font-weight: 700;
}

.solution-card p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.solution-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.solution-tech span {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
}

/* Case study cards */
.case-study-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.case-study-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.7;
}

.case-study-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.4);
}

.case-study-card .case-study-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.case-study-card h3 {
  font-size: 24px;
  color: var(--text);
  margin-bottom: 20px;
  font-weight: 700;
}

.case-study-section {
  margin-bottom: 16px;
}

.case-study-section h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.case-study-section p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

.case-study-results {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.case-study-results .result-item {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  flex: 1;
  min-width: 160px;
  text-align: center;
}

.case-study-results .result-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}

.case-study-results .result-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Blog cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.blog-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.7;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.08);
}

.blog-card .blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.blog-card .blog-category {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card h3 {
  font-size: 20px;
  color: var(--text);
  margin-bottom: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.blog-card h3 a {
  color: var(--text);
  transition: color 0.2s;
}

.blog-card h3 a:hover {
  color: var(--accent);
}

.blog-card p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
}

/* Blog article page */
.article-container {
  width: min(760px, 92%);
  margin: 0 auto;
}

.article-header {
  margin-bottom: 40px;
}

.article-header .blog-category {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--text);
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-meta .author {
  font-weight: 600;
  color: var(--text);
}

.article-content {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-muted);
}

.article-content h2 {
  font-size: 28px;
  color: var(--text);
  margin: 48px 0 16px;
  font-weight: 700;
}

.article-content h3 {
  font-size: 22px;
  color: var(--text);
  margin: 36px 0 12px;
  font-weight: 600;
}

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

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

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

.article-content code {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 15px;
}

.article-content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 24px;
}

.article-content pre code {
  background: none;
  padding: 0;
  font-size: 14px;
  color: var(--text-muted);
}

.article-content strong {
  color: var(--text);
  font-weight: 600;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 32px;
}

.article-back:hover {
  color: var(--primary);
}

/* Related articles */
.related-articles {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.related-articles h3 {
  font-size: 24px;
  color: var(--text);
  margin-bottom: 24px;
  font-weight: 700;
}

/* Form validation */
.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.form-error {
  color: #ef4444;
  font-size: 13px;
  margin-top: 4px;
  display: none;
}

.form-error.visible {
  display: block;
}

.form-success {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  color: var(--accent);
  font-weight: 500;
  display: none;
}

.form-success.visible {
  display: block;
}

/* Border-top utility */
.border-top {
  border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .case-study-results { flex-direction: column; }
  .about-contact-links { flex-direction: column; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}