/* Portfolio upgrade blocks — process, proof, tour, availability */

.nav__avail {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #86efac;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(134, 239, 172, 0.35);
  background: rgba(134, 239, 172, 0.08);
  white-space: nowrap;
}

.nav__avail-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #86efac;
  box-shadow: 0 0 8px rgba(134, 239, 172, 0.8);
  animation: avail-pulse 2s ease-in-out infinite;
}

@keyframes avail-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

/* AI process pipeline */
.ai-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.75rem 0 1.25rem;
}

.ai-process__step {
  padding: 1rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.ai-process__num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.ai-process__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.ai-process__body {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.ai-process__tool {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-faint);
  margin-top: auto;
}

/* Testimonials */
.proof-section {
  margin-top: 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.proof-card {
  padding: 1.25rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.proof-card__quote {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink);
  font-style: italic;
}

.proof-card__quote::before {
  content: "\201C";
  color: var(--accent);
  font-style: normal;
  font-weight: 700;
}

.proof-card__meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.proof-card__metric {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-strong);
  letter-spacing: -0.03em;
}

/* 60s site tour */
.site-tour {
  margin-top: 1.5rem;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--border);
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%),
    color-mix(in srgb, var(--surface) 85%, transparent);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: center;
}

.site-tour__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.site-tour__lede {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  max-width: 42ch;
  line-height: 1.55;
}

.site-tour__progress {
  margin-top: 0.75rem;
  height: 3px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  overflow: hidden;
  max-width: 20rem;
}

.site-tour__progress-bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s linear;
}

.site-tour__status {
  margin: 0.45rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  min-height: 1.2em;
}

.site-tour__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: stretch;
}

.work-stack__case {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  align-self: flex-start;
}

.work-stack__case:hover {
  color: var(--accent-strong);
}

.fact-strip--proof {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
  .ai-process {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .site-tour {
    grid-template-columns: 1fr;
  }

  .fact-strip--proof {
    grid-template-columns: repeat(2, 1fr);
  }
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.75rem, 2vw, 1.1rem);
  margin-top: 1.25rem;
}

.why-card {
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.why-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.why-card__title {
  margin: 0.35rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.why-card__body {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.why-card__body a {
  color: var(--accent);
}

@media (max-width: 900px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) {
  .nav__avail {
    display: none;
  }
}

@media (max-width: 560px) {
  .ai-process {
    grid-template-columns: 1fr;
  }
}