/* ==========================================================================
   Portfolio page — editorial case-study design (portfolio-editorial.css)
   Distinct from the homepage card grid (portfolio-modern.css):
   dark hero, alternating full-width case-study rows, warm amber accent.
   ========================================================================== */

.pfpage {
  --pf-ink: #0a0a0a;
  --pf-muted: #3d3d3d;
  --pf-accent: #0f766e;
  --pf-accent-2: #14b8a6;
  --pf-border: #e2e8f0;
}

/* ------------------------------ Dark hero -------------------------------- */
.pfp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.5rem, 6vw, 4rem);
  background: linear-gradient(160deg, #0f766e 0%, #115e59 70%, #134e4a 100%);
  color: #f8fafc;
}
.pfp-hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: -160px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 234, 212, 0.25), transparent 70%);
  pointer-events: none;
}
.pfp-hero .container {
  position: relative;
  z-index: 1;
}
.pfp-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pf-accent-2);
  margin: 0;
}
.pfp-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--pf-accent), var(--pf-accent-2));
}
.pfp-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 1rem 0 0;
  max-width: 20ch;
  color: #f8fafc;
}
.pfp-hero h1 em {
  font-style: normal;
  color: var(--pf-accent-2);
}
.pfp-hero .pfp-lead {
  color: #94a3b8;
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 52ch;
  margin: 1.2rem 0 0;
}
.pfp-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 2.5rem;
}
.pfp-hero-stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #f8fafc;
}
.pfp-hero-stat span {
  font-size: 0.82rem;
  font-weight: 600;
  color: #94a3b8;
}

/* ------------------------------ Index nav -------------------------------- */
.pfp-index {
  border-bottom: 1px solid var(--pf-border);
  background: #fff;
  position: sticky;
  /* Keep it below the fixed glass topbar (min-height 4.75rem, z-index 1035),
     otherwise it slides underneath it and the links look washed out. */
  top: 4.75rem;
  z-index: 900;
}
.pfp-index-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.8rem 0;
}
.pfp-index-inner::-webkit-scrollbar {
  display: none;
}
.pfp-index-label {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pf-muted);
  flex-shrink: 0;
}
.pfp-index a {
  flex-shrink: 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--pf-muted);
  text-decoration: none;
  padding-bottom: 0.15rem;
  border-bottom: 2px solid transparent;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}
.pfp-index a:hover {
  color: var(--pf-accent);
  border-color: var(--pf-accent);
}

/* ------------------------------ Case rows -------------------------------- */
.pfp-case {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.pfp-case-row {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.pfp-case:nth-child(even) .pfp-case-row {
  direction: rtl;
}
.pfp-case:nth-child(even) .pfp-case-row > * {
  direction: ltr;
}

/* Visual panel */
.pfp-visual {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 30px 60px -30px rgba(15, 23, 42, 0.45);
}
.pfp-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(
    ellipse at center,
    #000 30%,
    transparent 80%
  );
}
.pfp-visual-icon {
  position: relative;
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 2.2rem;
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease;
}
.pfp-visual-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}
.pfp-case:hover .pfp-visual-icon {
  transform: scale(1.1) rotate(-4deg);
}

/* Copy panel */
.pfp-number {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--pf-accent);
  margin: 0;
}
.pfp-copy h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--pf-ink);
  margin: 0.4rem 0 0.8rem;
}
.pfp-copy > p {
  color: var(--pf-muted);
  font-size: 0.98rem;
  line-height: 1.75;
  margin: 0 0 1.2rem;
  max-width: 46ch;
}
.pfp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.2rem;
}
.pfp-chip {
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--pf-ink);
  background: #f1f5f9;
  border: 1px solid var(--pf-border);
}
.pfp-results {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--pf-border);
}
.pfp-result strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--pf-accent);
}
.pfp-result span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--pf-muted);
}

/* ------------------------------ Closing CTA ------------------------------ */
.pfp-cta {
  margin: 0 clamp(1rem, 4vw, 3rem) clamp(2.5rem, 5vw, 4rem);
  border-radius: 24px;
  padding: clamp(2.2rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, #115e59, #0f766e 55%, #134e4a);
  color: #f8fafc;
  position: relative;
  overflow: hidden;
}
.pfp-cta::before {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.35), transparent 70%);
}
.pfp-cta-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.pfp-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.5rem;
}
.pfp-cta p {
  color: #94a3b8;
  margin: 0;
  max-width: 48ch;
}
.pfp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.pfp-btn-amber {
  background: linear-gradient(135deg, var(--pf-accent), var(--pf-accent-2));
  color: #fff;
  box-shadow: 0 12px 28px -10px rgba(15, 118, 110, 0.6);
}
.pfp-btn-amber:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 18px 34px -10px rgba(15, 118, 110, 0.7);
}

/* ------------------------------ Dark mode -------------------------------- */
/* NOTE: dark theme is controlled solely by [data-bs-theme="dark"] (the site
   toggle). The OS-level @media (prefers-color-scheme: dark) block was removed:
   it duplicated the data-bs-theme rules and leaked dark text onto light
   backgrounds when the OS was dark but the site was set to light. */

/* ------------------------------ Responsive ------------------------------- */
@media (max-width: 991.98px) {
  .pfp-case-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .pfp-case:nth-child(even) .pfp-case-row {
    direction: ltr;
  }
  .pfp-case:nth-child(odd) .pfp-visual {
    order: -1;
  }
}

@media (max-width: 575.98px) {
  .pfpage .pfp-hero-stats {
    gap: 1.5rem;
  }
  .pfpage .pfp-visual {
    aspect-ratio: 4 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pfpage .pfp-visual-icon,
  .pfpage .pfp-btn {
    transition: none !important;
    transform: none !important;
  }
}

/* Portfolio's dark hero already provides its own top spacing, so remove the
   shell's reserved top gap (navigation-upgrade.css forces 6.25rem on every
   guest page). The topbar is in normal flow, so no offset is needed. */
.guest-shell.portfolio-page .shell-main {
  padding-top: 0 !important;
}

/* ------------------------------ Dark mode -------------------------------- */
[data-bs-theme="dark"] .pfpage {
  --pf-ink: #ffffff;
  --pf-muted: #c9c9c9;
  --pf-border: rgba(255, 255, 255, 0.14);
}

[data-bs-theme="dark"] .pfp-index {
  background: #0f0f0f;
  border-bottom-color: var(--pf-border);
}

[data-bs-theme="dark"] .pfp-index-label {
  color: #a3a3a3;
}

[data-bs-theme="dark"] .pfp-index a {
  color: #d4d4d4;
}
[data-bs-theme="dark"] .pfp-index a:hover {
  color: #5eead4;
}

[data-bs-theme="dark"] .pfp-tag,
[data-bs-theme="dark"] .pfp-chip {
  background: #1a1a1a;
  border-color: var(--pf-border);
}