/* ──────────────────────────────────────────────────────────────
   home.css — homepage sections only.
   Shared shell (nav, buttons, footer, terminal) lives in base.css.
   ────────────────────────────────────────────────────────────── */

/* ── Hero ── */
#hero {
  min-height: calc(100svh - var(--nav-height));
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: var(--space-section);
}

.hero-inner {
  display: grid;
  gap: 2.5rem;
  width: 100%;
  align-items: center;
}

.hero-avatar {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid var(--panel-border);
  outline: 1px solid var(--teal-line);
  outline-offset: 3px;
  margin-bottom: 1.5rem;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.hero-eyebrow::before {
  content: "// ";
  color: var(--teal-dim);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 9vw, 3.6rem);
  color: var(--text);
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: clamp(0.95rem, 3.5vw, 1.15rem);
  color: var(--teal);
  margin-bottom: 1.25rem;
  letter-spacing: 0.01em;
}

.hero-desc {
  color: var(--text-muted);
  max-width: var(--prose-max);
  font-size: var(--text-sm);
  margin-bottom: 1.75rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-badge {
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  color: var(--teal);
  background: var(--teal-wash);
  border: 1px solid var(--teal-line);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}

/* ── About ── */
.about-grid {
  display: grid;
  gap: 2rem;
}

.about-text p,
.about-text li {
  color: var(--text-muted);
  font-size: var(--text-sm);
  max-width: var(--prose-max);
}

.about-block + .about-block {
  margin-top: 2rem;
}

.about-block-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.about-block-title::before {
  content: "› ";
  font-family: var(--font-mono);
  color: var(--teal-dim);
}

.about-points,
.about-principles {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.about-points li {
  position: relative;
  padding-left: 1.15rem;
}

.about-points li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--teal-dim);
}

/* Principles read as pulled-out statements, not another bullet list. */
.about-principles li {
  padding-left: 0.9rem;
  border-left: 2px solid var(--teal-line);
  color: var(--text);
}

.about-facts {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 0.35rem 1rem;
  align-self: start;
}

.about-fact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--hairline);
  font-size: var(--text-xs);
}

.about-fact:last-child {
  border-bottom: none;
}

.about-fact dt {
  color: var(--text-muted);
  min-width: 6.5rem;
}

.about-fact dd {
  color: var(--text);
}

/* ── Experience timeline ── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  border-left: 1px solid var(--panel-border);
  padding-left: 1.5rem;
  margin-left: 0.35rem;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1.5rem - 5px);
  top: 0.6rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--teal-dim);
}

.timeline-item.is-current::before {
  background: var(--teal);
  border-color: var(--teal);
}

.timeline-date {
  font-size: var(--text-xs);
  color: var(--teal);
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.timeline-role {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.timeline-org {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.timeline-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: var(--prose-max);
}

.timeline-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.timeline-points li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--teal-dim);
}

/* ── Skills ── */
.skills-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.skill-group {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
}

.skill-group h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.skill-group h3::before {
  content: "› ";
  color: var(--teal-dim);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
}

.skill-list li {
  font-size: 0.7rem;
  color: var(--text);
  background: var(--panel-raised);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.55rem;
}

/* ── Projects ── */
.projects-grid {
  display: grid;
  gap: 1rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  text-decoration: none;
  color: inherit;
  transition:
    border-color var(--duration-fast),
    transform var(--duration-fast);
}

@media (hover: hover) {
  .project-card:hover {
    border-color: var(--teal-dim);
  }
  @media (prefers-reduced-motion: no-preference) {
    .project-card:hover {
      transform: translateY(-2px);
    }
  }
}

.project-role {
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 0.6rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin-bottom: 1rem;
}

.project-stack li {
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.45rem;
}

.project-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: var(--text-xs);
  color: var(--teal);
  letter-spacing: 0.05em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast);
}

@media (hover: hover) {
  .project-link:hover {
    border-bottom-color: var(--teal-dim);
  }
}

/* ── Blog previews ── */
.blog-previews {
  display: grid;
  gap: 1rem;
}

.blog-preview-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--duration-fast);
}

@media (hover: hover) {
  .blog-preview-card:hover {
    border-color: var(--teal-dim);
  }
}

.blog-card-tag {
  font-size: 0.66rem;
  color: var(--teal);
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.blog-card-excerpt {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.blog-card-meta {
  display: flex;
  gap: 0.4rem;
  font-size: 0.66rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-card-read {
  margin-top: auto;
  font-size: var(--text-xs);
  color: var(--teal);
}

.blog-empty-note {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: var(--prose-max);
}

.section-cta {
  margin-top: 1.75rem;
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.contact-text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: var(--prose-max);
  margin-bottom: 1.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: var(--touch-min);
  font-size: var(--text-sm);
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  width: fit-content;
  transition: color var(--duration-fast);
}

.contact-links .contact-key {
  color: var(--text-muted);
  min-width: 5.5rem;
  font-size: var(--text-xs);
}

@media (hover: hover) {
  .contact-links a:hover {
    color: var(--teal);
  }
}

/* ── Tablet (640px+) ── */
@media (min-width: 40rem) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid,
  .blog-previews {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Desktop (900px+) ── */
@media (min-width: 56.25rem) {
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }

  .about-grid {
    grid-template-columns: 1.4fr 0.6fr;
    gap: 3rem;
  }

  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-item::before {
    left: calc(-2rem - 5px);
  }
}

/* ── Inline code inside homepage prose ── */
.timeline-points code,
.project-desc code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--teal);
  background: var(--teal-wash);
  border: 1px solid var(--teal-line);
  border-radius: var(--radius-sm);
  padding: 0.05em 0.3em;
}

/* Single-project grid — keeps one card from stretching the full row */
.projects-grid.is-single {
  grid-template-columns: 1fr;
  max-width: 34rem;
}

/* ── Certifications ── */
.certs-list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  grid-template-columns: 1fr;
}

.certs-list li {
  display: flex;
}

.cert-item {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-left: 2px solid var(--teal-dim);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition:
    border-color var(--duration-fast),
    box-shadow var(--duration-fast),
    transform var(--duration-fast);
}

/* Keyboard users get the same affordance as pointer users. */
.cert-item:hover,
.cert-item:focus-visible {
  border-color: var(--teal);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.cert-item:hover .cert-verify,
.cert-item:focus-visible .cert-verify {
  opacity: 1;
  transform: translateY(0);
}

.cert-verify {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--teal);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-3px);
  transition:
    opacity var(--duration-fast),
    transform var(--duration-fast);
}

@media (prefers-reduced-motion: reduce) {
  .cert-item:hover,
  .cert-item:focus-visible {
    transform: none;
  }
  .cert-verify {
    transform: none;
  }
}

.cert-name {
  font-size: var(--text-sm);
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 0.35rem;
  padding-right: 4rem; /* clears the verify affordance */
}

.cert-issuer {
  font-size: var(--text-xs);
  color: var(--teal);
  letter-spacing: 0.04em;
}

.cert-id {
  font-size: 0.64rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}

@media (min-width: 40rem) {
  .certs-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 56.25rem) {
  .certs-list {
    grid-template-columns: repeat(3, 1fr);
  }
}