/* ── CERTIFICATIONS ─────────────────────────── */
.certifications { background: var(--bg2); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--violet));
  transform: scaleY(0);
  transition: var(--trans);
}

.cert-card:hover {
  border-color: var(--border2);
  background: var(--surface2);
  transform: translateX(4px);
}

.cert-card:hover::before { transform: scaleY(1); }

.cert-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background: var(--violet-dim);
  border: 1px solid rgba(124,58,237,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--violet);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.cert-body {
  flex: 1;
  min-width: 0;
}

.cert-body h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.3;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text3);
  letter-spacing: 0.05em;
}

.cert-badge {
  color: var(--emerald);
  font-size: 1.2rem;
  flex-shrink: 0;
}


/* ── ARTICLES ─────────────────────────── */
.articles { background: var(--bg); }

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}

.article-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet), transparent);
  opacity: 0;
  transition: var(--trans);
}

.article-card:hover {
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}

.article-card:hover::after { opacity: 1; }

.article-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.article-tags {
  display: flex;
  gap: 8px;
}

.article-tag {
  padding: 3px 10px;
  background: var(--violet-dim);
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius-xs);
  font-size: 0.68rem;
  color: #a78bfa;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.article-read {
  font-size: 0.72rem;
  color: var(--text3);
}

.article-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.article-excerpt {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.75;
  flex: 1;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--violet);
  transition: var(--trans);
  padding-top: 8px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.article-link:hover {
  color: #a78bfa;
  gap: 12px;
}


/* ── CONTACT ─────────────────────────── */
.contact {
  background: var(--bg2);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.contact-header .section-tag { margin-bottom: 16px; }
.contact-header .section-title { margin-bottom: 20px; }

.contact-sub {
  color: var(--text2);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 520px;
  margin: 0 auto 56px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--trans);
  text-align: left;
}

.contact-card:hover {
  border-color: var(--cyan);
  background: var(--cyan-dim);
  transform: translateY(-3px);
}

.contact-card:hover .cc-arrow {
  transform: translateX(4px);
  color: var(--cyan);
}

.cc-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-xs);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 1rem;
  flex-shrink: 0;
}

.cc-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.cc-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.cc-value {
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cc-arrow {
  color: var(--text3);
  font-size: 0.8rem;
  transition: var(--trans);
  flex-shrink: 0;
}

.channel-section {
  margin: 40px 0;
}

.channel-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.channel-grid {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.channel-card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border: 1px solid rgba(37,211,102,0.25);
  background: rgba(37,211,102,0.05);
  border-radius: var(--radius-xs);
  color: #25d366;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--trans);
}

.channel-card:hover {
  background: rgba(37,211,102,0.12);
  border-color: rgba(37,211,102,0.4);
  transform: translateY(-2px);
}

.contact-cta {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}


/* ── FOOTER ─────────────────────────── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 36px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text3);
  letter-spacing: 0.03em;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--text3);
  font-size: 1rem;
  transition: var(--trans);
}

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