/* ========================================
 * Portfolio Page — Dark Terminal Theme
 * Based on Claude Design handoff: Portfolio.html
 * ======================================== */

:root {
  --pf-bg:         #0B1422;
  --pf-bg-deep:    #070E19;
  --pf-surface:    #152137;
  --pf-surface-2:  #1B2944;
  --pf-surface-3:  #223156;
  --pf-rule:       #233457;
  --pf-rule-hi:    #2D4472;
  --pf-ink:        #EAF0FF;
  --pf-ink-dim:    #9AA7C2;
  --pf-ink-fade:   #5E6C8A;
  --pf-accent:     #A8B8F5;
  --pf-accent-2:   #8FA8FF;
  --pf-accent-3:   #6D8BF3;
  --pf-highlight:  #C8D1FF;
  --pf-warm:       #FF9345;
  --pf-warm-hi:    #FFAD6B;
  --pf-f-display:  "Space Mono", ui-monospace, Menlo, monospace;
  --pf-f-body:     "Inter", ui-sans-serif, system-ui, sans-serif;
}

html:has(body.portfolio-body) {
  scroll-behavior: smooth;
}

/* When portfolio layout is active, override body styles */
body.portfolio-body {
  background: var(--pf-bg) !important;
  color: var(--pf-ink) !important;
  font-family: var(--pf-f-body) !important;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  overflow-x: hidden;
}

body.portfolio-body ::selection {
  background: var(--pf-accent);
  color: #0B1422;
}

body.portfolio-body a {
  color: inherit;
  text-decoration: none;
}

body.portfolio-body button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

/* Decorative dot pattern */
.pf-dots {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  opacity: .55;
  background-image: radial-gradient(circle, var(--pf-rule-hi) 1px, transparent 1.6px);
  background-size: 16px 16px;
}
.pf-dots--tl { top: 86px; left: 24px; width: 120px; height: 96px; }
.pf-dots--br { bottom: 40px; right: 24px; width: 160px; height: 120px; }

/* ===== TOP HEADER ===== */
.pf-top {
  position: sticky;
  top: 0;
  z-index: 30;
  background: linear-gradient(to bottom, rgba(11,20,34,.96), rgba(11,20,34,.7));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(35,52,87,.5);
}
.pf-topbar {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Hamburger button — hidden on desktop, shown on mobile */
.pf-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  color: var(--pf-ink);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.pf-burger:hover {
  background: var(--pf-surface-2);
  border-color: var(--pf-rule-hi);
}
.pf-burger svg { width: 20px; height: 20px; }

/* Mobile drawer */
.pf-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  max-width: 85vw;
  height: 100vh;
  background: var(--pf-bg);
  border-left: 1px solid var(--pf-rule);
  z-index: 40;
  transform: translateX(100%);
  transition: transform .25s ease;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 40px rgba(0,0,0,.5);
}
.pf-drawer.pf-side--open {
  transform: translateX(0);
}
.pf-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  border-bottom: 1px solid var(--pf-rule);
}
.pf-drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: var(--pf-ink-dim);
  cursor: pointer;
  transition: color .15s, background .15s;
}
.pf-drawer-close:hover {
  color: var(--pf-ink);
  background: var(--pf-surface);
}
.pf-drawer-close svg { width: 18px; height: 18px; }
.pf-drawer-nav {
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 4px;
}
.pf-drawer-nav a {
  display: block;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--pf-ink-dim);
  transition: color .15s, background .15s;
}
.pf-drawer-nav a:hover {
  color: var(--pf-ink);
  background: var(--pf-surface);
}
.pf-drawer-nav a.on {
  color: var(--pf-accent);
  background: rgba(168,184,245,.08);
}

/* Overlay backdrop */
.pf-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7,14,25,.6);
  backdrop-filter: blur(2px);
  z-index: 35;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.pf-overlay.pf-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}
.pf-brand {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--pf-ink);
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pf-brand .pf-dot { color: var(--pf-accent); }
.pf-brand-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--pf-rule);
}
.pf-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  color: var(--pf-ink-dim);
}
.pf-nav a {
  transition: color .15s;
}
.pf-nav a:hover, .pf-nav a.on {
  color: var(--pf-ink);
}
.pf-contacts {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--pf-accent);
  color: #0B1422;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: background .15s;
}
.pf-contacts:hover {
  background: var(--pf-highlight);
}
.pf-contacts .pf-arr {
  display: inline-block;
  width: 14px;
  height: 14px;
  position: relative;
}
.pf-contacts .pf-arr::before {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M13 5l7 7-7 7v-4H4v-6h9z'/></svg>") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M13 5l7 7-7 7v-4H4v-6h9z'/></svg>") center/contain no-repeat;
}

/* ===== PAGE LAYOUT ===== */
.pf-page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 40px 0 96px;
  position: relative;
  z-index: 2;
}

.pf-content {
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.pf-side {
  display: none;
}
.pf-side a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pf-ink-dim);
  transition: color .15s;
}
.pf-side a:hover { color: var(--pf-ink); }
.pf-side a.on {
  background: linear-gradient(to bottom, var(--pf-accent-2), var(--pf-accent-3));
  color: #0B1422;
}

/* ===== BACK LINK ===== */
.pf-back {
  margin-bottom: 20px;
  font-size: 13px;
}
.pf-back a {
  color: var(--pf-ink-dim);
  transition: color .15s;
}
.pf-back a:hover { color: var(--pf-accent); }

/* ===== CALLOUT ===== */
.pf-callout {
  background: var(--pf-surface);
  border: 1px solid rgba(168,184,245,.35);
  border-left: 3px solid var(--pf-accent);
  border-radius: 10px;
  padding: 18px 22px;
  margin: 0 0 40px;
}
.pf-callout p {
  font-size: 14.5px;
  color: var(--pf-ink);
  line-height: 1.6;
  margin: 0;
}
.pf-callout code {
  font-family: var(--pf-f-display);
  font-size: 13px;
  color: var(--pf-accent);
  background: rgba(168,184,245,.1);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ===== CODE BLOCK ===== */
.pf-code-block {
  background: var(--pf-bg-deep);
  border: 1px solid var(--pf-rule);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 0 0 20px;
  overflow-x: auto;
  font-family: var(--pf-f-display);
  font-size: 13px;
  line-height: 1.7;
  color: var(--pf-ink);
}

/* ===== HERO TITLE ROW ===== */
.pf-h1row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 8px;
}
.pf-h1row h1 {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: clamp(32px, 3.6vw, 44px);
  letter-spacing: -.01em;
  line-height: 1.05;
  margin: 0;
}
.pf-meta {
  font-family: var(--pf-f-display);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
}
.pf-meta .pf-acc { color: var(--pf-accent); }
.pf-h1row-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  flex-shrink: 0;
}
.pf-gh-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  color: var(--pf-ink-dim);
  transition: color .15s, border-color .15s, background .15s;
}
.pf-gh-badge svg { width: 14px; height: 14px; flex-shrink: 0; }
.pf-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--pf-f-display);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #241A05;
  background: var(--pf-warm);
  padding: 12px 24px;
  border-radius: 10px;
  box-shadow: 0 6px 22px rgba(255,147,69,.3);
  transition: background .15s, box-shadow .15s, transform .15s;
}
.pf-cta-primary span { transition: transform .15s; }
.pf-cta-primary:hover {
  background: var(--pf-warm-hi);
  box-shadow: 0 8px 26px rgba(255,147,69,.42);
  transform: translateY(-1px);
}
.pf-cta-primary:hover span { transform: translate(2px, 2px); }
.pf-gh-badge:hover {
  color: #0B1422;
  background: var(--pf-accent);
  border-color: var(--pf-accent);
}
.pf-lede {
  font-size: 16px;
  color: var(--pf-ink-dim);
  max-width: 64ch;
  margin: 0 0 28px;
}
.pf-lede .pf-brace { color: var(--pf-accent); }

/* ===== MASTER-DETAIL GRID ===== */
.pf-md {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  align-items: start;
}

/* ===== PROJECT RAIL (RIGHT COLUMN) ===== */
.pf-rail {
  position: sticky;
  top: 86px;
  max-height: calc(100vh - 110px);
  display: flex;
  flex-direction: column;
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  overflow: hidden;
}
.pf-rail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--pf-rule);
  background: var(--pf-bg-deep);
}
.pf-rail-label {
  font-family: var(--pf-f-display);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
}
.pf-rail-count {
  font-family: var(--pf-f-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--pf-accent);
  background: rgba(168,184,245,.1);
  padding: 2px 8px;
  border-radius: 999px;
}
.pf-rail-list {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--pf-rule-hi) transparent;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.pf-rail-list::-webkit-scrollbar { width: 5px; }
.pf-rail-list::-webkit-scrollbar-track { background: transparent; }
.pf-rail-list::-webkit-scrollbar-thumb { background: var(--pf-rule-hi); border-radius: 999px; }

.pf-rail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: border-color .15s, background .15s, transform .1s;
  position: relative;
}
.pf-rail-item:hover {
  background: var(--pf-surface-2);
  border-color: var(--pf-rule);
}
.pf-rail-item.on {
  background: var(--pf-surface-2);
  border-color: var(--pf-accent);
  box-shadow: 0 0 0 1px rgba(168,184,245,.2);
}
.pf-rail-item.on .pf-rail-name {
  color: var(--pf-highlight);
}

.pf-rail-thumb {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(168,184,245,.14), rgba(109,139,243,.06));
  border: 1px solid rgba(168,184,245,.18);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.pf-rail-icon {
  width: 22px;
  height: 22px;
  color: var(--pf-accent);
  opacity: .85;
}
.pf-rail-icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.4; }
.pf-rail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.pf-rail-item.on .pf-rail-thumb {
  background: linear-gradient(135deg, rgba(168,184,245,.22), rgba(109,139,243,.1));
  border-color: rgba(168,184,245,.3);
}

.pf-rail-text {
  flex: 1;
  min-width: 0;
}
.pf-rail-name {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--pf-ink);
  line-height: 1.2;
  margin: 0 0 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pf-rail-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.pf-rail-company {
  font-family: var(--pf-f-display);
  font-size: 9px;
  letter-spacing: .06em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
}
.pf-rail-time {
  font-family: var(--pf-f-display);
  font-size: 9px;
  letter-spacing: .06em;
  color: var(--pf-ink-fade);
}
.pf-rail-time::before {
  content: "·";
  margin-right: 6px;
  opacity: .6;
}

.pf-rail-star {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  color: var(--pf-accent);
  opacity: .7;
}
.pf-rail-star svg { width: 10px; height: 10px; }

.pf-rail-item--featured {
  /* subtle accent for featured projects in the rail */
}
.pf-rail-item--featured .pf-rail-name::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--pf-accent);
  margin-left: 6px;
  vertical-align: 2px;
}

/* ===== HERO / SELECTED ===== */
.pf-hero {
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 18px;
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(168,184,245,.08), transparent 55%);
  pointer-events: none;
}
.pf-hero-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}
.pf-hero-sub {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.pf-mn {
  font-family: var(--pf-f-display);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
}
.pf-mn .pf-acc { color: var(--pf-accent); }
.pf-hero h2 {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: clamp(26px, 2.8vw, 34px);
  color: var(--pf-ink);
  letter-spacing: -.01em;
  line-height: 1.1;
  margin: 0;
}

.pf-hero-body {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 28px;
}
.pf-hero-details h3 {
  font-family: var(--pf-f-display);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
  margin: 0 0 10px;
}
.pf-hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.pf-tag {
  font-family: var(--pf-f-display);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--pf-accent);
  text-transform: uppercase;
  margin: 0;
}
.pf-hero-timeframe {
  font-family: var(--pf-f-display);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
}
.pf-subhead {
  font-family: var(--pf-f-display);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
  margin: 16px 0 8px;
}
.pf-pillars {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.pf-pillars span {
  font-family: var(--pf-f-display);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--pf-accent);
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(168,184,245,.1);
  border: 1px solid rgba(168,184,245,.2);
}
.pf-lead {
  font-size: 15px;
  color: var(--pf-ink);
  line-height: 1.6;
  margin: 0 0 16px;
}
.pf-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.pf-tags span {
  font-family: var(--pf-f-display);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(168,184,245,.06);
  border: 1px solid rgba(168,184,245,.15);
}
.pf-ctas {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.pf-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  transition: background .15s, color .15s, border-color .15s;
}
.pf-btn--primary {
  background: var(--pf-accent);
  color: #0B1422;
}
.pf-btn--primary:hover {
  background: var(--pf-highlight);
}
.pf-btn--ghost {
  border: 1px solid var(--pf-rule-hi);
  color: var(--pf-ink);
  background: transparent;
}
.pf-btn--ghost:hover {
  border-color: var(--pf-accent);
  color: var(--pf-accent);
}

/* ===== HERO MEDIA ===== */
.pf-hero-media {
  aspect-ratio: 16/10;
  border-radius: 14px;
  border: 1px solid rgba(168,184,245,.22);
  background: linear-gradient(135deg, rgba(168,184,245,.14), rgba(109,139,243,.06)), var(--pf-bg-deep);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-media-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(168,184,245,.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168,184,245,.08) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, black 55%, transparent 100%);
}
.pf-media-label {
  position: absolute;
  top: 14px;
  left: 16px;
  font-family: var(--pf-f-display);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
}
.pf-media-label::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pf-accent);
  margin-right: 7px;
  vertical-align: 1px;
}
.pf-media-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}
.pf-media-placeholder {
  font-family: var(--pf-f-display);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
}
.pf-media-icon {
  width: 64px;
  height: 64px;
  color: var(--pf-accent);
  opacity: .9;
}
.pf-media-icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.2; }
.pf-media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

/* ===== FEATURES ===== */
.pf-features {
  background: var(--pf-bg-deep);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  padding: 22px 24px 24px;
}
.pf-features h3 {
  font-family: var(--pf-f-display);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.pf-features h3::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--pf-rule);
}
.pf-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.pf-feat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 10px;
  transition: border-color .15s, transform .15s;
}
.pf-feat:hover {
  border-color: var(--pf-rule-hi);
  transform: translateY(-1px);
}
.pf-feat-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: rgba(168,184,245,.1);
  border: 1px solid rgba(168,184,245,.25);
  color: var(--pf-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-feat-icon svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.pf-feat h4 {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--pf-ink);
  letter-spacing: -.005em;
  margin: 2px 0 0;
  line-height: 1.25;
}
.pf-feat p {
  font-size: 12.5px;
  color: var(--pf-ink-dim);
  line-height: 1.5;
  margin: 0;
}

/* ===== HERO TRANSITION ===== */
.pf-hero[data-transition="1"] .pf-hero-head,
.pf-hero[data-transition="1"] .pf-hero-body,
.pf-hero[data-transition="1"] .pf-features {
  opacity: 0;
  transform: translateY(6px);
}
.pf-hero-head, .pf-hero-body, .pf-features {
  transition: opacity .28s ease, transform .28s ease;
}

/* ===== HOMEPAGE ===== */
.pf-home-hero {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 40px;
  align-items: start;
  margin-bottom: 36px;
}
.pf-home-name {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 60px);
  letter-spacing: -.01em;
  line-height: 1.02;
  margin: 0 0 14px;
}
.pf-home-role {
  font-size: 18px;
  color: var(--pf-ink);
  margin: 0 0 18px;
}
.pf-home-role .pf-brace { color: var(--pf-accent); }
.pf-home-intro {
  font-size: 15.5px;
  color: var(--pf-ink-dim);
  max-width: 62ch;
  margin: 0 0 20px;
}

/* Hero contact icons */
.pf-hero-contacts {
  display: flex;
  gap: 10px;
}
.pf-hero-contact-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  color: var(--pf-ink-dim);
  transition: color .15s, border-color .15s, background .15s;
}
.pf-hero-contact-link svg { width: 17px; height: 17px; }
.pf-hero-contact-link:hover {
  color: #0B1422;
  background: var(--pf-accent);
  border-color: var(--pf-accent);
}

/* Portrait */
.pf-home-portrait {
  background: var(--pf-surface);
  border: 1.5px solid var(--pf-rule);
  border-radius: 16px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.pf-home-portrait img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}
.pf-home-portrait-label {
  font-family: var(--pf-f-display);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
}

/* Stats */
.pf-home-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 56px;
}
.pf-stat {
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 130px;
}
.pf-stat-num {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 40px;
  color: var(--pf-ink);
  letter-spacing: -.02em;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1;
}
.pf-stat-num .pf-stat-sym { color: var(--pf-accent); font-size: 30px; }
.pf-stat--signal .pf-stat-num { font-size: 22px; line-height: 1.15; }
.pf-stat--signal .pf-stat-num .pf-stat-glyph { color: var(--pf-accent); font-size: 22px; margin-right: 6px; }
.pf-stat-lbl { font-size: 13.5px; color: var(--pf-ink-dim); line-height: 1.4; }

/* Section label */
.pf-seclabel {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--pf-ink);
  margin: 56px 0 22px;
}
.pf-seclabel-mark {
  display: inline-flex;
  align-items: center;
  color: var(--pf-ink-dim);
  font-size: 16px;
}
.pf-seclabel-mark::before {
  content: "";
  display: inline-block;
  width: 38px;
  height: 2px;
  background: var(--pf-ink-dim);
  margin-right: 4px;
}
.pf-seclabel-mark::after { content: "."; }
.pf-seclabel-sub {
  margin-left: auto;
  font-family: var(--pf-f-body);
  font-weight: 400;
  font-size: 13px;
  color: var(--pf-ink-dim);
}

/* Services */
.pf-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}
.pf-svc {
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  transition: border-color .15s, transform .15s, background .15s;
}
.pf-svc:hover {
  border-color: var(--pf-rule-hi);
  background: var(--pf-surface-2);
  transform: translateY(-2px);
}
.pf-svc--lead {
  border-color: rgba(168, 184, 245, 0.5);
  background: var(--pf-surface-2);
}
.pf-svc--lead:hover {
  border-color: var(--pf-accent);
}
.pf-svc-ic {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(168,184,245,.08);
  border: 1px solid rgba(168,184,245,.25);
  color: var(--pf-accent);
  margin-bottom: 16px;
}
.pf-svc-ic svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.pf-svc h3 {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--pf-ink);
  margin: 0 0 10px;
  line-height: 1.25;
}
.pf-svc h3 .pf-brace { color: var(--pf-accent); }
.pf-svc p { font-size: 13.5px; color: var(--pf-ink-dim); line-height: 1.55; margin: 0; }

/* Selected Work teaser */
.pf-work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 20px;
}
.pf-work-card {
  display: flex;
  flex-direction: column;
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  padding: 20px 20px 18px;
  transition: border-color .15s, transform .15s, background .15s;
}
.pf-work-card:hover {
  border-color: var(--pf-rule-hi);
  background: var(--pf-surface-2);
  transform: translateY(-2px);
}
.pf-work-card-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--pf-f-display);
  font-size: 9px;
  letter-spacing: .08em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.pf-work-card-title {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--pf-ink);
  margin: 0 0 8px;
  line-height: 1.3;
}
.pf-work-card-blurb {
  font-size: 12.5px;
  color: var(--pf-ink-dim);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}
.pf-work-card-foot {
  margin-top: 12px;
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.pf-work-card-foot span {
  font-family: var(--pf-f-display);
  font-size: 8.5px;
  letter-spacing: .06em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
  padding: 2px 5px;
  border-radius: 4px;
  background: rgba(168,184,245,.07);
  border: 1px solid rgba(168,184,245,.14);
}
.pf-work-more {
  margin-bottom: 24px;
}

/* Process steps */
.pf-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}
.pf-step {
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  padding: 20px 20px 22px;
}
.pf-step-num {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--pf-accent);
  letter-spacing: .05em;
  margin-bottom: 10px;
}
.pf-step h3 {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--pf-ink);
  margin: 0 0 8px;
}
.pf-step p {
  font-size: 13px;
  color: var(--pf-ink-dim);
  line-height: 1.5;
  margin: 0;
}
.pf-step p code, .pf-lead code {
  font-family: var(--pf-f-display);
  font-size: .92em;
  color: var(--pf-accent);
  background: rgba(168,184,245,.1);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Skills detail cards, grouped by workflow phase */
.pf-skill-phase {
  margin-bottom: 36px;
}
.pf-skill-phase:last-child {
  margin-bottom: 24px;
}
.pf-skill-phase-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--pf-rule);
}
.pf-skill-phase-num {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--pf-accent);
  letter-spacing: .05em;
  flex-shrink: 0;
}
.pf-skill-phase-title {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--pf-ink);
  margin: 0 0 3px;
}
.pf-skill-phase-desc {
  font-size: 13px;
  color: var(--pf-ink-dim);
  margin: 0;
}
.pf-skill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}
.pf-skill-phase .pf-skill-grid {
  margin-bottom: 0;
}
.pf-skill-card {
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  padding: 20px 20px 22px;
  transition: border-color .15s, transform .15s, background .15s;
}
.pf-skill-card:hover {
  border-color: var(--pf-rule-hi);
  background: var(--pf-surface-2);
  transform: translateY(-2px);
}
.pf-skill-card-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}
.pf-skill-card-head code {
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--pf-accent);
}
.pf-skill-card p {
  font-size: 13px;
  color: var(--pf-ink-dim);
  line-height: 1.55;
  margin: 0;
}
.pf-skill-card p + p {
  margin-top: 6px;
  color: var(--pf-ink-fade);
  font-size: 12.5px;
}

/* Per-skill detail panels (below-the-fold "Behind Each Command" section) */
.pf-skill-detail {
  position: relative;
  padding: 22px 24px 22px 24px;
  margin-bottom: 18px;
  background: var(--pf-surface);
  border: 1px solid var(--pf-rule);
  border-radius: 14px;
  scroll-margin-top: 96px;
}
.pf-skill-detail:hover { border-color: rgba(168,184,245,.35); }

.pf-skill-detail-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pf-rule);
}
.pf-skill-detail-head code {
  font-family: var(--pf-mono, ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace);
  font-size: 15px;
  color: var(--pf-accent);
  letter-spacing: .01em;
}
.pf-skill-detail-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--pf-ink-dim);
  border: 1px solid var(--pf-rule);
  border-radius: 999px;
  padding: 2px 10px;
}

.pf-skill-detail-body p {
  font-size: 14.5px;
  color: var(--pf-ink-dim);
  line-height: 1.6;
  margin: 0 0 12px;
  max-width: 72ch;
}
.pf-skill-detail-body p:last-child { margin-bottom: 0; }
.pf-skill-detail-body strong { color: var(--pf-ink); font-weight: 600; }
.pf-verbatim {
  margin: 14px 0 12px;
  padding: 12px 16px;
  border-left: 2px solid var(--pf-accent);
  background: rgba(168,184,245,.04);
  border-radius: 0 8px 8px 0;
}
.pf-verbatim p {
  font-size: 14px;
  color: var(--pf-ink);
  line-height: 1.55;
  margin: 0 0 8px;
  font-style: italic;
}
.pf-verbatim p:last-child { margin-bottom: 0; }
.pf-verbatim code {
  font-style: normal;
}
.pf-skill-detail-body code {
  font-family: var(--pf-mono, ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace);
  font-size: 13px;
  background: rgba(168,184,245,.08);
  border: 1px solid var(--pf-rule);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--pf-accent);
}

.pf-skill-detail-when {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--pf-rule);
}

/* Anchor links inside the .pf-tags index */
.pf-tags a { color: inherit; text-decoration: none; }
.pf-tags a:hover span { color: var(--pf-accent); border-color: rgba(168,184,245,.35); }



/* Experience timeline */
.pf-timeline {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
  border-top: 1px solid var(--pf-rule);
}
.pf-tl-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--pf-rule);
}
.pf-tl-when {
  font-family: var(--pf-f-display);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--pf-ink-fade);
  text-transform: uppercase;
}
.pf-tl-role {
  font-size: 14px;
  font-weight: 600;
  color: var(--pf-ink);
}
.pf-tl-co {
  font-size: 14px;
  color: var(--pf-ink-dim);
}

/* Skills matrix */
.pf-skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 40px;
  margin-bottom: 24px;
}
.pf-skill-group h3 {
  font-family: var(--pf-f-display);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--pf-ink-dim);
  text-transform: uppercase;
  margin: 0 0 10px;
}

/* Skill bars */
.pf-bars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 56px;
  max-width: 880px;
}
.pf-bar {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: center;
}
.pf-bar-k { font-size: 14px; color: var(--pf-ink); }
.pf-bar-track {
  height: 6px;
  background: rgba(168,184,245,.1);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.pf-bar-fill {
  height: 100%;
  background: linear-gradient(to right, var(--pf-accent-3), var(--pf-accent));
  border-radius: 999px;
  width: 0;
  transition: width 1.2s cubic-bezier(.2,.7,.2,1);
}
.pf-approach-principles {
  margin-top: 32px;
}

/* Closing note */
.pf-note {
  margin-top: 64px;
  border-left: 2px solid var(--pf-accent);
  padding: 4px 0 4px 20px;
  font-weight: 300;
  font-size: 18px;
  line-height: 1.5;
  color: var(--pf-ink);
  max-width: 70ch;
}
.pf-note .pf-brace {
  color: var(--pf-accent);
  font-family: var(--pf-f-display);
  font-weight: 700;
}
.pf-note-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-family: var(--pf-f-display);
  font-weight: 700;
  font-size: 13px;
  color: #0B1422;
  background: var(--pf-accent);
  padding: 10px 18px;
  border-radius: 999px;
  transition: background .15s;
}
.pf-note-cta:hover { background: var(--pf-highlight); }
.pf-note-cta svg { width: 15px; height: 15px; flex-shrink: 0; }

/* Sidebar chevron */
.pf-chev {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: .7;
  display: inline-block;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  /* Override .pf-content's default overflow:hidden.
     overflow:hidden on an ancestor creates a scroll container, which
     breaks position:sticky. Body already has overflow-x:hidden to
     prevent horizontal page scroll. */
  .pf-content { overflow: visible; }
  /* Switch to flex column so sticky rail can span the hero's full height */
  .pf-md {
    display: flex;
    flex-direction: column;
  }
  .pf-rail {
    position: sticky;
    top: 77px;
    z-index: 25;
    max-height: none;
    order: -1;
    margin-bottom: 16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    /* Allow flex child to shrink below content width so .pf-rail-list
       scrolls internally instead of expanding the page */
    min-width: 0;
    width: 100%;
  }
  /* Push sticky offset below the topbar via margin on the sticky wrapper */
  .pf-rail-head {
    padding: 10px 16px 8px;
  }
  .pf-rail-list {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 6px 12px 10px;
    gap: 8px;
  }
  /* Compact horizontal pills instead of tall vertical cards */
  .pf-rail-item {
    flex: 0 0 auto;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    white-space: nowrap;
    width: auto;
  }
  .pf-rail-text {
    width: auto;
  }
  .pf-rail-name {
    white-space: nowrap;
    font-size: 12px;
    margin: 0;
  }
  .pf-rail-meta {
    display: none;
  }
  .pf-rail-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
  }
  .pf-rail-icon {
    width: 14px;
    height: 14px;
  }
  .pf-rail-star {
    position: static;
  }
  .pf-rail-item--featured .pf-rail-name::after {
    display: none;
  }

  .pf-hero-body { grid-template-columns: 1fr; }
  .pf-features-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-home-hero { grid-template-columns: 1fr; }
  .pf-home-portrait { max-width: 260px; margin: 0 auto; }
  .pf-home-portrait img { width: 100%; }
  .pf-services { grid-template-columns: 1fr 1fr; }
  .pf-work-grid { grid-template-columns: 1fr 1fr; }
  .pf-steps { grid-template-columns: 1fr 1fr; }
  .pf-skills-grid { grid-template-columns: 1fr; }
  .pf-tl-row { grid-template-columns: 140px 1fr 1fr; }
}
@media (max-width: 620px) {
  .pf-nav { display: none; }
  .pf-burger { display: flex; }
  .pf-features-grid { grid-template-columns: 1fr; }
  .pf-home-stats { grid-template-columns: 1fr; }
  .pf-services { grid-template-columns: 1fr; }
  .pf-bars { grid-template-columns: 1fr; }
  .pf-bar { grid-template-columns: 140px 1fr; }
  .pf-work-grid { grid-template-columns: 1fr; }
  .pf-steps { grid-template-columns: 1fr; }
  .pf-skill-grid { grid-template-columns: 1fr; }
  .pf-tl-row { grid-template-columns: 1fr; gap: 4px; }

  /* Portrait hidden on phones — avatar is in the nav bar */
  .pf-home-portrait { display: none; }
}