/* =========================================================
   Project Deep-Dive Pages — Shared Styles
   ========================================================= */

/* ----- Back Link ----- */
.project-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 1.5rem;
  transition: color var(--transition);
}
.project-back:hover { color: var(--accent-cyan); }

/* ----- Hero ----- */
.project-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 5rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.project-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 65% at 70% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 65%),
    radial-gradient(ellipse 35% 45% at 15% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  transform: translateY(var(--hero-parallax, 0px));
  will-change: transform;
}

.project-hero .container {
  position: relative;
  z-index: 1;
  will-change: transform, opacity;
}

.project-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.project-hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.75;
  margin-top: 1rem;
}

.project-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.project-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.project-meta-item__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.project-meta-item__value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ----- Skills Refined Grid ----- */
.skills-refined-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.skill-pill {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: border-color var(--transition), color var(--transition);
}

.skill-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* ----- IAM Grid ----- */
.iam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

/* ----- Build Steps ----- */
.build-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.build-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.build-step__num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  opacity: 0.4;
  flex-shrink: 0;
  min-width: 2.5rem;
  line-height: 1;
  padding-top: 0.2rem;
}

/* ----- Security Grid ----- */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.security-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
}

/* ----- Key Takeaways ----- */
.takeaways {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.takeaway-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  padding-left: 1.5rem;
  position: relative;
}

.takeaway-item::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.takeaway-item:last-child { border-bottom: none; }

/* ----- CTA ----- */
.project-cta {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.project-cta h2 {
  margin-bottom: 0.5rem;
}

.project-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
}

/* ----- Two Column Layout ----- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* ----- Gap Analysis Table ----- */
.gap-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.gap-table__header {
  display: grid;
  grid-template-columns: 1.2fr 2fr 2fr;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.gap-table__row {
  display: grid;
  grid-template-columns: 1.2fr 2fr 2fr;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.gap-table__row:last-child {
  border-bottom: none;
}

.gap-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.gap-before {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.gap-after {
  color: var(--accent-green);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ----- Responsive ----- */
@media (max-width: 640px) {
  .build-step {
    flex-direction: column;
    gap: 0.75rem;
  }

  .build-step__num {
    font-size: 1.25rem;
  }

  .project-hero__meta {
    gap: 1.25rem;
  }

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

  .two-col {
    grid-template-columns: 1fr;
  }

  .gap-table__header,
  .gap-table__row {
    grid-template-columns: 1fr;
  }

  .gap-table__header span:not(:first-child) {
    display: none;
  }

  .gap-before::before {
    content: 'Before: ';
    font-weight: 600;
    color: var(--text-primary);
  }

  .gap-after::before {
    content: 'After: ';
    font-weight: 600;
  }
}