/* ══════════════════════════════════════════════
   Portfolio page — builds on main.css tokens
   ══════════════════════════════════════════════ */

/* ── Shared bits ── */
.pf-em { font-style: italic; color: var(--amber-l); }
.pf-strong { color: var(--text); font-weight: 600; }

.pf-caption { font-size: 0.8125rem; color: var(--muted); text-align: center; margin-top: 12px; }

.pf-split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: start;
}

/* ── Scroll progress ── */
.pf-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 100%;
  transform-origin: left center; transform: scaleX(0);
  background: linear-gradient(90deg, var(--amber-d), var(--amber-l));
  z-index: 101;
  pointer-events: none;
}

/* ── Hero ── */
#hero.pf-hero { padding: 64px 0 48px; flex-direction: column; align-items: stretch; justify-content: flex-start; }
.pf-hero .pf-marquee {
  margin-bottom: clamp(16px, 2.4vw, 26px); padding: 10px 0; border-top: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.015) 45%, rgba(255,255,255,0.03)), rgba(9,9,12,0.45);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  backdrop-filter: blur(18px) saturate(1.3);
}
.pf-hero .pf-marquee-track { gap: 24px; }
.pf-hero .pf-marquee-track span { font-size: clamp(1rem, 1.6vw, 1.25rem); }
.pf-hero-card {
  --muted: #9CA2AE;
  position: relative;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.015) 45%, rgba(255,255,255,0.035)),
    rgba(9,9,12,0.5);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  backdrop-filter: blur(22px) saturate(1.4);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: clamp(18px, 2.5vw, 28px);
  padding: clamp(26px, 3.6vw, 44px) clamp(22px, 4.5vw, 56px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 30px 80px -40px rgba(0,0,0,0.75);
}
.pf-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 40px;
  align-items: center;
  width: 100%;
}
.pf-hero h1.hero-name { font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1.08; }
.pf-hero .hero-cta-row { margin-top: 36px; }
.pf-hero .hero-sub { max-width: 500px; }

/* ── Hero illustration: the work at a glance ── */
.pf-illo-wrap {
  margin: 0;
  opacity: 0;
  animation: hero-rise 1s cubic-bezier(0.34,1.56,0.64,1) 0.5s forwards;
}
.pf-illo {
  --ink:   var(--text);
  --paper: var(--bg);
  --acc:   var(--amber-l);
  display: block; width: 100%; height: auto;
  overflow: visible;
  fill: none;
  stroke-linecap: round; stroke-linejoin: round;
}
.pf-illo .frame   { stroke: var(--ink); stroke-width: 1.6; fill: var(--paper); }
.pf-illo .d       { stroke: var(--ink); stroke-width: 1.6; stroke-dasharray: 1 1; stroke-dashoffset: 1; animation: pf-draw 1.3s cubic-bezier(0.65,0,0.35,1) var(--dl, 0s) forwards; }
.pf-illo .frame.d { fill-opacity: 0; animation: pf-draw 1.3s cubic-bezier(0.65,0,0.35,1) var(--dl, 0s) forwards, pf-fill 0.6s ease calc(var(--dl, 0s) + 0.9s) forwards; }
.pf-illo .f       { opacity: 0; animation: pf-fade 0.7s ease calc(var(--dl, 0s) + 0.9s) forwards; }
.pf-illo .stroke  { stroke: var(--ink); stroke-width: 1.4; }
.pf-illo .line    { stroke: var(--ink); stroke-width: 1.4; opacity: 0.75; }
.pf-illo .line.thick { stroke-width: 2.6; }
.pf-illo .soft    { fill: var(--ink); fill-opacity: 0.07; stroke: var(--ink); stroke-opacity: 0.25; }
.pf-illo .hatch   { fill: url(#pf-hatch); stroke: var(--ink); stroke-width: 1.2; stroke-opacity: 0.6; }
.pf-illo .pf-hatch-line { stroke: var(--ink); stroke-width: 1; opacity: 0.32; }
.pf-illo .ink-fill { fill: var(--ink); }
.pf-illo .o6 { opacity: 0.55; } .pf-illo .o5 { opacity: 0.5; } .pf-illo .o3 { opacity: 0.3; }
.pf-illo .acc-fill   { fill: var(--acc); }
.pf-illo .acc-stroke { stroke: var(--acc); stroke-width: 1.8; }
.pf-illo .acc-line   { stroke: var(--acc); stroke-width: 1.6; }
.pf-illo .acc-soft   { fill: var(--acc); fill-opacity: 0.14; stroke: var(--acc); stroke-width: 1.4; }
.pf-illo .paper-line { stroke: var(--paper); stroke-width: 2; opacity: 0.9; }
.pf-illo .cursor     { fill: var(--paper); stroke: var(--ink); stroke-width: 1.3; }
.pf-illo .route      { stroke: var(--ink); stroke-width: 1.4; stroke-dasharray: 2 6; opacity: 0; animation: pf-fade 0.8s ease 0.9s forwards; }
.pf-illo .dotted     { stroke: var(--ink); stroke-width: 1.2; stroke-dasharray: 1 5; stroke-opacity: 0.45; }
.pf-illo .node       { fill: var(--paper); stroke: var(--ink); stroke-width: 1.5; }
.pf-illo .node-acc   { stroke: var(--acc); stroke-width: 1.8; }
.pf-illo .mail       { fill: var(--paper); stroke: var(--acc); stroke-width: 1.6; }
.pf-illo .lbl        { fill: var(--muted); font: 500 12px 'Inter', sans-serif; text-anchor: middle; letter-spacing: 0.04em; }

/* Looping scene: cursor adds to cart, the agent types then replies, mail runs the pipeline */
.pf-illo-cursor { animation: pf-cursor 6s ease-in-out 2.2s infinite; transform: translate(252px, 198px); opacity: 0; }
.pf-illo-btn    { animation: pf-press 6s ease 2.2s infinite; transform-box: fill-box; transform-origin: center; }
.pf-illo-badge  { animation: pf-badge 6s ease 2.2s infinite; transform-box: fill-box; transform-origin: center; transform: scale(0); }
.pf-illo-typing { animation: pf-typing 6s ease 2.2s infinite; opacity: 0; }
.pf-illo-typing circle { animation: pf-bounce 1s ease-in-out infinite; transform-box: fill-box; }
.pf-illo-typing circle:nth-of-type(2) { animation-delay: 0.15s; }
.pf-illo-typing circle:nth-of-type(3) { animation-delay: 0.3s; }
.pf-illo-reply  { animation: pf-reply 6s ease 2.2s infinite; opacity: 0; }
.pf-illo-rl     { transform-box: fill-box; transform-origin: left center; animation: pf-grow 6s ease calc(2.2s + var(--rd, 0s)) infinite; transform: scaleX(0); }
.pf-illo-antenna, .pf-illo-live { animation: pf-blink 2.4s ease-in-out infinite; }
.pf-illo-sun    { animation: pf-spin 14s linear infinite; transform-box: fill-box; transform-origin: center; }
.pf-illo-spark  { animation: pf-twinkle 3s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }

@keyframes pf-draw  { to { stroke-dashoffset: 0; } }
@keyframes pf-fill  { to { fill-opacity: 1; } }
@keyframes pf-fade  { to { opacity: 1; } }
@keyframes pf-cursor {
  0%        { transform: translate(252px, 198px); opacity: 0; }
  8%        { opacity: 1; }
  34%, 44%  { transform: translate(200px, 131px); opacity: 1; }
  38%       { transform: translate(200px, 131px) scale(0.86); }
  80%       { transform: translate(120px, 190px); opacity: 1; }
  92%, 100% { transform: translate(120px, 190px); opacity: 0; }
}
@keyframes pf-press  { 0%, 36%, 42%, 100% { transform: scale(1); } 38% { transform: scale(0.93); } }
@keyframes pf-badge  { 0%, 38% { transform: scale(0); } 44% { transform: scale(1.35); } 50%, 90% { transform: scale(1); } 100% { transform: scale(0); } }
@keyframes pf-typing { 0%, 8% { opacity: 0; } 12%, 44% { opacity: 1; } 48%, 100% { opacity: 0; } }
@keyframes pf-reply  { 0%, 46% { opacity: 0; } 52%, 92% { opacity: 1; } 100% { opacity: 0; } }
@keyframes pf-grow   { 0%, 50% { transform: scaleX(0); } 64%, 100% { transform: scaleX(1); } }
@keyframes pf-bounce { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-3px); } }
@keyframes pf-blink  { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@keyframes pf-spin   { to { transform: rotate(360deg); } }
@keyframes pf-twinkle { 0%, 100% { transform: scale(1) rotate(0); } 50% { transform: scale(1.18) rotate(20deg); } }

/* ── Projects: context-based neumorphic buttons ──
   Each tile is extruded from the panel it sits on (same fill, paired light and
   dark shadows) and carries its project's colour in --ctx. Pressing sinks it. */
.pf-projects {
  --muted: #9CA2AE;
  --neu-bg:    rgba(18,18,25,0.55);
  --neu-light: rgba(255,255,255,0.05);
  --neu-dark:  rgba(0,0,0,0.6);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  backdrop-filter: blur(22px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 24px 60px -28px rgba(0,0,0,0.7);
  margin-top: clamp(18px, 2.4vw, 28px);
  padding: clamp(18px, 2.6vw, 28px);
  border-radius: clamp(18px, 2.5vw, 28px);
  background: var(--neu-bg);
  border: 1px solid var(--border);
  opacity: 0;
  animation: hero-rise 0.8s cubic-bezier(0.34,1.56,0.64,1) 0.9s forwards;
}
.pf-projects-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin: 2px 4px 18px;
}
.pf-projects-head .section-label { margin: 0; }
.pf-projects-hint { font-size: 0.8125rem; color: var(--muted); }
.pf-proj-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
}
.pf-proj {
  --c: var(--ctx);
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 20px 10px 18px;
  border-radius: 18px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  background: var(--neu-bg);
  box-shadow: 7px 7px 16px var(--neu-dark), -6px -6px 14px var(--neu-light);
  transition: box-shadow 0.25s ease, transform 0.25s cubic-bezier(0.34,1.56,0.64,1), background 0.25s ease;
}
.pf-proj-ico {
  display: grid; place-items: center;
  width: 64px; height: 64px;
  margin-bottom: 8px;
  border-radius: 50%;
  color: var(--c);
  background: var(--neu-bg);
  box-shadow: inset 4px 4px 9px var(--neu-dark), inset -4px -4px 9px var(--neu-light);
  transition: box-shadow 0.25s ease;
}
.pf-proj-ico svg {
  width: 32px; height: 32px;
  fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
.pf-proj-ico .dot { fill: currentColor; stroke: none; }
.pf-proj-wide { grid-column: span 2; }
.pf-proj-new {
  position: absolute; top: 12px; right: 12px;
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 100px;
  color: var(--c); border: 1px solid var(--c);
}
.pf-proj-name { font-size: 0.92rem; font-weight: 600; line-height: 1.3; }
.pf-proj-kind { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.02em; }
.pf-proj:hover {
  transform: translateY(-3px);
  box-shadow: 10px 10px 22px var(--neu-dark), -8px -8px 18px var(--neu-light),
              0 0 0 1px color-mix(in srgb, var(--c) 35%, transparent);
}
.pf-proj:hover .pf-proj-ico {
  box-shadow: inset 4px 4px 9px var(--neu-dark), inset -4px -4px 9px var(--neu-light),
              0 0 22px color-mix(in srgb, var(--c) 40%, transparent);
}
.pf-proj:active {
  transform: translateY(0) scale(0.98);
  box-shadow: inset 6px 6px 13px var(--neu-dark), inset -5px -5px 12px var(--neu-light);
}
.pf-proj:focus-visible { outline: 2px solid var(--c); outline-offset: 3px; }

/* ── Project pages: one project and its running demo ── */
.pj { --pj-accent: var(--ctx); }   /* --ctx comes inline on <body>; the theme picks the shade here */
.pj-main { padding: 96px 0 24px; }
.pj-section { padding: 36px 0 56px; }
.pj-top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-bottom: 36px;
}
.pj-back {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 0.875rem; font-weight: 600;
  color: var(--text);
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.pj-back:hover { color: var(--pj-accent); border-color: var(--pj-accent); transform: translateX(-3px); }
.pj-back:focus-visible { outline: 2px solid var(--pj-accent); outline-offset: 3px; }
.pj-count { font-size: 0.8125rem; color: var(--muted); letter-spacing: 0.04em; }
.pj-count b { color: var(--pj-accent); font-weight: 600; }
.pj .sc-demo { top: 96px; }
.pj-faq { margin-top: 64px; }
.pj-faq .section-title { margin-bottom: 0; }
.pj-pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 56px; padding-top: 28px;
  border-top: 1px solid var(--border);
}
.pj-pager-link {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px 20px;
  border-radius: 14px;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.pj-pager-link span { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }
.pj-pager-link b { font-family: 'DM Serif Display', serif; font-weight: 400; font-size: 1.15rem; color: var(--text); }
.pj-pager-link:hover { border-color: var(--amber-l); background: var(--ghost-hover-bg); }
.pj-pager-next { text-align: right; }

/* ── Marquee ── */
.pf-marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 18px 0;
  position: relative; z-index: 1;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.pf-marquee-track {
  display: flex; align-items: center; gap: 36px;
  width: max-content;
  animation: pf-marquee 36s linear infinite;
}
.pf-marquee-track span {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  color: var(--text);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.pf-marquee-track span:nth-of-type(even) { font-style: italic; color: var(--amber-l); }
.pf-marquee-track i { font-style: normal; color: var(--amber-d); font-size: 0.9rem; }
@keyframes pf-marquee { to { transform: translateX(-50%); } }

/* ── Story: traits ── */
.pf-traits { display: grid; gap: 12px; margin-top: 36px; max-width: 580px; }
.pf-trait {
  display: grid; grid-template-columns: 190px 1fr; gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem; color: var(--muted);
}
.pf-trait span { color: var(--text); font-weight: 600; font-size: 0.875rem; }

/* ── Story: Venn model ── */
.pf-venn svg { width: 100%; height: auto; overflow: visible; }
.venn-title { font-family: 'DM Serif Display', serif; font-size: 26px; fill: var(--text); }
.venn-item  { font-family: 'Inter', sans-serif; font-size: 12px; fill: var(--muted); }
.venn-me    { font-family: 'DM Serif Display', serif; font-size: 22px; fill: var(--bg); }
.venn-pulse { fill: var(--amber-l); transform-origin: 210px 170px; }
.venn-left, .venn-right {
  transition: transform 1.2s cubic-bezier(0.34,1.4,0.64,1);
}
.venn-left  { transform: translateX(-46px); }
.venn-right { transform: translateX(46px); }
.venn-center { opacity: 0; transform: scale(0.4); transform-origin: 210px 170px; transition: opacity 0.5s ease 0.9s, transform 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.9s; }
.pf-venn.visible .venn-left,
.pf-venn.visible .venn-right { transform: translateX(0); }
.pf-venn.visible .venn-center { opacity: 1; transform: scale(1); }
.pf-venn.visible .venn-pulse { animation: pf-venn-pulse 2.6s ease-in-out 1.6s infinite; }
@keyframes pf-venn-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.1); }
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .pf-split { grid-template-columns: 1fr; gap: 48px; }
  .pf-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .pf-illo-wrap { max-width: 560px; justify-self: center; width: 100%; }
  .pf-proj-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .pf-trait { grid-template-columns: 1fr; gap: 2px; }
}

@media (max-width: 600px) {
  .pf-proj-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-projects-hint { display: none; }
  .pj-pager { grid-template-columns: 1fr; }
  .pj-pager-next { text-align: left; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .pf-marquee-track, .pf-venn.visible .venn-pulse { animation: none !important; }
  .pf-illo-wrap, .pf-projects { animation: none; opacity: 1; }
  .pf-illo, .pf-illo * { animation: none !important; }
  .pf-illo .d { stroke-dashoffset: 0; }
  .pf-illo .frame.d { fill-opacity: 1; }
  .pf-illo .f, .pf-illo .route, .pf-illo-reply, .pf-illo-cursor { opacity: 1; }
  .pf-illo-typing { opacity: 0; }
  .pf-illo-cursor { transform: translate(200px, 131px); }
  .pf-illo-badge, .pf-illo-rl { transform: none; }
}

/* Daytime sky: the marquee band sits on the open sky between hero and story */
[data-theme="light"] .pf-marquee {
  --text:    #15110B;
  --amber-l: #8A6200;
  --amber-d: #8F6606;
  --border:  rgba(255,255,255,0.6);
  background: linear-gradient(135deg, rgba(255,255,255,0.45), rgba(255,255,255,0.26) 45%, rgba(255,255,255,0.32)), rgba(250,247,240,0.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
}

/* Daytime sky: the hero card is glass like the sections, with dark ink */
[data-theme="light"] .pf-hero-card {
  --bg:       rgba(252,250,245,0.5);
  --surface:  rgba(248,244,236,0.44);
  --border:   rgba(255,255,255,0.55);
  --text:     #15110B;
  --muted:    #4A4234;
  --amber:    #8F6606;
  --amber-l:  #8A6200;
  --ghost-hover-border: rgba(0,0,0,0.3);
  --ghost-hover-bg:     rgba(255,255,255,0.3);
  text-shadow: none;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.45), rgba(255,255,255,0.26) 45%, rgba(255,255,255,0.32)),
    rgba(250,247,240,0.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
  backdrop-filter: blur(22px) saturate(1.5);
  border: 1px solid rgba(255,255,255,0.65);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 24px 60px -28px rgba(8,28,70,0.5);
}
[data-theme="light"] #hero .pf-hero-card .hero-eyebrow { color: var(--amber); }
[data-theme="light"] #hero .pf-hero-card .hero-eyebrow::before { background: var(--amber); }
[data-theme="light"] #hero .pf-hero-card .btn-ghost {
  background: transparent;
  -webkit-backdrop-filter: none; backdrop-filter: none;
  border-color: rgba(21,17,11,0.28);
}
[data-theme="light"] #hero .pf-hero-card .btn-ghost:hover { background: var(--ghost-hover-bg); border-color: var(--ghost-hover-border); }

[data-theme="light"] .pf-projects {
  --neu-bg:    rgba(236,241,250,0.55);
  --neu-light: rgba(255,255,255,0.85);
  --neu-dark:  rgba(22,52,110,0.3);
  --text:  #15110B;
  --muted: #4A4234;
  --amber: #8F6606;
  text-shadow: none;
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
  backdrop-filter: blur(22px) saturate(1.5);
  border: 1px solid rgba(255,255,255,0.65);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 24px 60px -28px rgba(8,28,70,0.5);
}
[data-theme="light"] .pf-proj { --c: var(--ctx-l); }
[data-theme="light"] .pj { --pj-accent: var(--ctx-l); }
/* The hero text sits in a card here, so the homepage's sky shade isn't needed */
[data-theme="light"] #hero.pf-hero::after { display: none; }