/*
  Phase 1 portfolio refinements.
  Keeps the established visual direction while improving hierarchy,
  evidence clarity, contact actions and readability.
*/

.section {
  padding-block: 112px;
}

.hero-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 22px;
}

.hero-socials a {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .07em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .2s ease;
}

.hero-socials a:hover,
.hero-socials a:focus-visible {
  color: var(--acid);
}

.metric-role {
  max-width: 100%;
  font-size: clamp(25px, 2.6vw, 39px);
  line-height: 1.05;
}

.project-disclosure {
  max-width: 720px;
  margin: 28px 0 0;
  padding: 20px;
  border-left: 2px solid var(--acid);
  background: rgba(201, 255, 69, .035);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.portfolio-pipeline {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  padding: 42px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(201, 255, 69, .055), transparent 54%),
    #0b0e0b;
}

.pipeline-copy h3 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1.05;
}

.pipeline-copy p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.pipeline-checklist {
  display: grid;
  align-content: center;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.pipeline-checklist li {
  position: relative;
  padding: 18px 12px 18px 34px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .035em;
  line-height: 1.6;
}

.pipeline-checklist li::before {
  content: '✓';
  position: absolute;
  top: 18px;
  left: 8px;
  color: var(--acid);
}

.learning-heading {
  margin-top: 82px;
}

.learning-grid .support-card {
  min-height: 330px;
}

.credentials-callout {
  background: linear-gradient(180deg, rgba(201,255,69,.025), transparent);
}

.credentials-callout .academic-note {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  padding: 42px;
  border: 1px solid var(--line-strong);
  background: #0b0e0b;
}

.credentials-callout .academic-note-index {
  color: var(--line-strong);
  font-family: var(--font-display);
  font-size: 58px;
  letter-spacing: -.07em;
}

.credentials-callout h2 {
  margin: 15px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(31px, 4vw, 50px);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1.05;
}

.credentials-callout .academic-note p:last-child {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.credentials-callout .back-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--acid);
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background .2s ease, color .2s ease;
}

.credentials-callout .back-link:hover,
.credentials-callout .back-link:focus-visible {
  background: var(--acid);
  color: #080a07;
}

.contact-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-link {
  min-height: 180px;
  border-right: 1px solid var(--line);
}

.contact-link:nth-child(2n) {
  border-right: 0;
}

.contact-link:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.contact-link strong {
  overflow-wrap: anywhere;
}

.stack-group p,
.metric-label,
.metric-kicker,
.case-meta span,
.support-status,
.tech-pills li,
.timeline-type,
.contact-link span,
.footer-inner span,
.footer-inner p,
.footer-inner a {
  font-size: max(9px, .625rem);
}

@media (max-width: 960px) {
  .portfolio-pipeline,
  .credentials-callout .academic-note {
    grid-template-columns: 1fr;
  }

  .credentials-callout .academic-note-index {
    font-size: 46px;
  }

  .credentials-callout .back-link {
    justify-self: start;
  }

  .contact-actions {
    grid-template-columns: 1fr;
  }

  .contact-link,
  .contact-link:nth-child(2n) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .contact-link:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .section {
    padding-block: 84px;
  }

  .hero-socials {
    gap: 18px;
  }

  .portfolio-pipeline {
    gap: 34px;
    padding: 28px 24px;
  }

  .credentials-callout .academic-note {
    gap: 22px;
    padding: 28px 24px;
  }

  .contact-link {
    min-height: 138px;
  }
}