@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,300;0,400;0,500;0,700;0,800;1,400&family=Manrope:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

  :root{
    --bg: #FFFFFF;
    --surface: #FFFFFF;
    --surface-2: #F2F2EF;
    --ink: #1C1B18;
    --ink-soft: #6B675E;
    --line: rgba(28,27,24,0.12);
    --accent: #E0447B;
    --accent-soft: #FBE1EC;
    --sage: #7C9271;
    --dot: rgba(28,27,24,0.14);
    --radius: 18px;
    --ease: cubic-bezier(.16,.84,.44,1);
    --c1: #4C56D6;
    --c2: #D6455F;
    --c3: #C98A22;
    --c4: #1E8F82;
  }
  [data-theme="dark"]{
    --bg: #111217;
    --surface: #191B21;
    --surface-2: #20222A;
    --ink: #ECE9DF;
    --ink-soft: #9B968A;
    --line: rgba(236,233,223,0.12);
    --accent: #FF7FB0;
    --accent-soft: #3A2432;
    --sage: #9BB58C;
    --dot: rgba(236,233,223,0.14);
    --c1: #8C97FF;
    --c2: #FF8DA1;
    --c3: #F0B840;
    --c4: #52D9C6;
  }

  *{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    margin:0;
    background-color:var(--bg);
    background-image: radial-gradient(circle, var(--dot) 1px, transparent 1px);
    background-size: 22px 22px;
    background-position: -11px -11px;
    color:var(--ink);
    font-family:'Manrope', sans-serif;
    transition: background-color .5s var(--ease), color .5s var(--ease);
    overflow-x:hidden;
    cursor:default;
  }
  ::selection{ background:var(--accent); color:var(--bg); }

  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:.72rem;
    letter-spacing:.14em;
    text-transform:uppercase;
    color:var(--ink-soft);
  }

  /* ---------- cursor pulse ---------- */
  #pulse{
    position:fixed; top:0; left:0; width:26px; height:26px;
    border-radius:50%;
    border:1.5px solid var(--accent);
    pointer-events:none;
    transform:translate(-50%,-50%);
    z-index:999;
    transition: width .25s var(--ease), height .25s var(--ease), opacity .3s, border-color .5s;
    opacity:0;
  }
  #pulse.show{ opacity:.9; }
  #pulse.big{ width:64px; height:64px; }
  #pulse::after{
    content:'';
    position:absolute; inset:8px;
    border-radius:50%;
    background:var(--accent);
    opacity:.15;
    transition: opacity .3s var(--ease), inset .3s var(--ease);
  }
  #pulse.big::after{ opacity:.4; inset:22px; }

  /* ---------- header ---------- */
  header{
    position:sticky; top:0; z-index:50;
    display:flex; align-items:center; justify-content:space-between;
    padding: 22px clamp(20px,5vw,64px);
    backdrop-filter: blur(10px);
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    border-bottom: 1px solid var(--line);
  }
  .wordmark{
    font-family:'IBM Plex Mono', monospace;
    font-weight:500;
    font-size:1rem;
    letter-spacing:-.01em;
  }
  .wordmark .cursor{
    color:var(--accent);
    animation: blink 1.1s steps(1) infinite;
  }
  @keyframes blink{ 50%{ opacity:0; } }

  nav{ display:flex; gap:clamp(18px,3vw,36px); align-items:center; }
  nav a{
    color:var(--ink-soft); text-decoration:none; font-size:.88rem; font-weight:500;
    position:relative; padding:4px 0;
  }
  nav a::after{
    content:''; position:absolute; left:0; bottom:0; width:0; height:1px;
    background:var(--ink); transition:width .35s var(--ease);
  }
  nav a:hover{ color:var(--ink); }
  nav a:hover::after{ width:100%; }

  .controls{ display:flex; align-items:center; gap:10px; }
  .sound-btn-wrap{ position:relative; display:flex; }

  .sound-popup{
    position:absolute; top:calc(100% + 12px); left:50%; transform:translate(-50%,-6px);
    background:var(--ink); color:var(--bg);
    padding:9px 10px 9px 14px; border-radius:10px;
    font-family:'IBM Plex Mono', monospace; font-size:.72rem; white-space:nowrap;
    display:flex; align-items:center; gap:10px;
    box-shadow:0 16px 30px -10px rgba(0,0,0,.35);
    z-index:200; opacity:0; pointer-events:none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
  }
  .sound-popup.show{ opacity:1; transform:translate(-50%,0); pointer-events:auto; }
  .sound-popup::before{
    content:''; position:absolute; top:-5px; left:50%; margin-left:-5px;
    width:10px; height:10px; background:var(--ink); transform:rotate(45deg);
  }
  .sound-popup button{
    background:none; border:none; color:var(--bg); opacity:.65; cursor:pointer;
    font-size:12px; line-height:1; padding:2px;
  }
  .sound-popup button:hover{ opacity:1; }

  .icon-btn{
    width:38px; height:38px; border-radius:50%;
    border:1px solid var(--line); background:var(--surface);
    display:flex; align-items:center; justify-content:center;
    cursor:pointer; color:var(--ink); transition: transform .25s var(--ease), background .3s;
  }
  .icon-btn:hover{ transform:translateY(-2px); }
  .icon-btn svg{ width:16px; height:16px; }

  .switch{
    width:52px; height:28px; border-radius:20px;
    background:var(--surface-2); border:1px solid var(--line);
    position:relative; cursor:pointer;
    transition:background .4s var(--ease);
  }
  .switch .knob{
    position:absolute; top:2px; left:2px;
    width:22px; height:22px; border-radius:50%;
    background:var(--ink); transition: transform .4s var(--ease), background .4s;
  }
  [data-theme="dark"] .switch .knob{ transform:translateX(24px); background:var(--accent); }
  .switch .glyph{
    position:absolute; font-size:11px; top:50%; transform:translateY(-50%);
  }
  .switch .sun{ left:6px; }
  .switch .moon{ right:6px; }

  /* ---------- hero ---------- */
  .hero{
    padding: clamp(36px,7vh,72px) clamp(20px,5vw,64px) clamp(40px,8vh,80px);
    position:relative;
  }
  .hero-top{
    display:grid;
    grid-template-columns: 1fr auto 1fr;
    align-items:center;
    gap:16px;
    margin-bottom:28px;
  }
  .hero-top .availability{
    grid-column:2; justify-self:center;
    display:inline-flex; align-items:center; gap:8px;
    border:1px solid color-mix(in srgb, var(--accent) 45%, transparent);
    border-radius:20px; padding:6px 16px 6px 12px;
  }
  .hero-top .location{ grid-column:3; justify-self:end; }
  .star-pulse{
    width:13px; height:13px; display:inline-flex; flex-shrink:0;
    animation: starpulse 1.8s ease-in-out infinite;
  }
  .star-pulse svg{ width:100%; height:100%; }
  @keyframes starpulse{
    0%,100%{ transform:scale(1) rotate(0deg); opacity:1; }
    50%{ transform:scale(1.35) rotate(15deg); opacity:.65; }
  }

  @media (max-width:640px){
    .hero-top{ grid-template-columns:1fr; justify-items:center; text-align:center; }
    .hero-top .location{ justify-self:center; }
  }

  h1{
    font-family:'Fraunces', serif;
    font-weight:400;
    font-size: clamp(2.4rem, 6.4vw, 5.4rem);
    line-height:1.14;
    letter-spacing:-.02em;
    margin:0 auto 28px;
    max-width:23ch;
    text-align:center;
    transition: transform .35s cubic-bezier(.34,1.56,.64,1);
    transform-origin:center;
  }
  h1.pop-block{ transform: scale(1.035); }
  h1 em{
    font-style:normal; font-weight:800; color:var(--accent); position:relative;
    margin-right:0.14em;
  }
  h1 .line{ display:block; overflow:hidden; padding-bottom:0.14em; margin-bottom:-0.14em; }
  h1 .line span{
    display:inline-block;
    transform:translateY(110%);
    animation: rise .9s var(--ease) forwards;
  }

  @keyframes rise{ to{ transform:translateY(0); } }

  .hero-bottom{
    display:flex; justify-content:space-between; align-items:flex-end;
    gap:40px; flex-wrap:wrap; border-top:1px solid var(--line); padding-top:26px;
  }
  .hero-sub{ max-width:38ch; color:var(--ink-soft); font-size:1rem; line-height:1.6; }
  .hero-sub strong{ color:var(--ink); font-weight:600; }

  .credentials{ display:flex; gap:30px; flex-wrap:wrap; }
  .credential{ font-family:'IBM Plex Mono', monospace; font-size:.78rem; color:var(--ink-soft); max-width:17ch; }
  .credential-icon{
    width:30px; height:30px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    border:1px solid var(--line);
    color: var(--credential-accent, var(--accent));
    margin-bottom:11px;
  }
  .credential-icon svg{ width:15px; height:15px; }
  .credential b{ display:block; color:var(--ink); font-size:1.4rem; font-family:'Fraunces',serif; font-style:italic; font-weight:500; margin-bottom:2px; }

  /* ---------- sections ---------- */
  section{ padding: 40px clamp(20px,5vw,64px); position:relative; }
  .section-head{
    display:flex; justify-content:space-between; align-items:flex-end;
    margin-bottom:36px; gap:20px; flex-wrap:wrap;
  }
  .section-head h2{
    font-family:'Fraunces', serif; font-weight:700; font-size:clamp(1.6rem,3vw,2.4rem);
    margin:6px 0 0;
  }
  .section-head p{ color:var(--ink-soft); max-width:32ch; font-size:.92rem; margin:0; }

  /* ---------- project grid ---------- */
  .grid{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(190px, auto);
    gap:16px;
  }
  .card{
    grid-column: span 1;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:22px;
    position:relative;
    overflow:hidden;
    cursor:pointer;
    transition: transform .5s var(--ease), border-color .35s, box-shadow .5s var(--ease),
                opacity .5s var(--ease), filter .5s var(--ease);
    display:flex; flex-direction:column; justify-content:space-between;
    z-index:1;
  }

  .card:hover{
    transform:translateY(-6px);
    box-shadow: 0 24px 48px -24px rgba(0,0,0,.28);
    border-color: var(--card-accent, var(--accent));
  }
  .card-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:8px; }
  .tag{
    font-family:'IBM Plex Mono', monospace; font-size:.68rem;
    color:var(--card-accent, var(--accent));
    background: color-mix(in srgb, var(--card-accent, var(--accent)) 16%, var(--surface));
    padding:4px 9px; border-radius:20px; letter-spacing:.02em;
    display:inline-flex; align-items:center; gap:5px;
  }
  .arrow{
    width:28px; height:28px; border-radius:50%; border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center; flex-shrink:0;
    transition: transform .4s var(--ease), background .3s;
  }
  .card:hover .arrow{ transform: rotate(45deg); background:var(--card-accent, var(--accent)); border-color:var(--card-accent, var(--accent)); }
  .card:hover .arrow svg{ stroke:var(--bg); }
  .arrow svg{ width:12px; height:12px; stroke:var(--ink); transition:stroke .3s; }

  .card h3{
    font-family:'Manrope', sans-serif; font-weight:700; font-size:1.3rem; margin:16px 0 8px;
    letter-spacing:-.01em; line-height:1.15;
  }
  .card p{ color:var(--ink-soft); font-size:.86rem; line-height:1.55; margin:0; max-width:40ch; font-style:italic; opacity:.82; }

  .wave{ width:100%; height:38px; margin-top:14px; }
  .wave path{
    fill:none; stroke:var(--card-accent, var(--accent)); stroke-width:1.6;
    stroke-linecap:round;
    opacity:.55;
    transition: opacity .3s;
  }
  .card:hover .wave path{ opacity:1; }

  /* sonar-ripple mockup — concentric pings expanding from a center point */
  .ripple-signal{
    position:relative; width:100%; height:38px; margin-top:14px;
    display:flex; align-items:center;
  }
  .ripple-signal .dot{
    position:absolute; left:5px; width:6px; height:6px; border-radius:50%;
    background: var(--card-accent, var(--accent));
  }
  .ripple-signal .ping{
    position:absolute; left:2px; width:12px; height:12px; border-radius:50%;
    border:1.5px solid var(--card-accent, var(--accent));
    opacity:0;
    animation: pingRipple 2.6s ease-out infinite;
  }
  .ripple-signal .ping:nth-child(2){ animation-delay:.85s; }
  .ripple-signal .ping:nth-child(3){ animation-delay:1.7s; }
  .card:hover .ripple-signal .ping{ animation-duration:1.3s; }
  @keyframes pingRipple{
    0%{ transform:scale(.6); opacity:.75; }
    70%{ opacity:.15; }
    100%{ transform:scale(4.2); opacity:0; }
  }

  .card-detail{
    max-height:0; overflow:hidden;
    transition: max-height .5s var(--ease), margin .5s var(--ease);
    font-size:.85rem; color:var(--ink-soft); line-height:1.6;
    border-top: 1px solid transparent;
    font-style:italic; opacity:.68;
  }
  .card.active .card-detail{
    max-height:240px; margin-top:14px; border-top:1px solid var(--line); padding-top:14px;
  }
  .case-study-link{
    display:inline-flex; align-items:center; gap:7px; margin-top:16px;
    font-family:'IBM Plex Mono', monospace; font-size:.74rem; font-style:normal; font-weight:500;
    color: var(--card-accent, var(--accent)); text-decoration:none;
    border:1px solid var(--card-accent, var(--accent));
    border-radius:20px; padding:8px 14px;
    transition: background .25s var(--ease), color .25s var(--ease);
  }
  .case-study-link:hover{
    background: var(--card-accent, var(--accent));
    color: var(--bg);
  }
  .case-study-link svg{ transition: transform .25s var(--ease); }
  .case-study-link:hover svg{ transform: translateX(2px); }
  .card.active .arrow{ transform:rotate(90deg); }

  /* pop-out interaction: active card lifts forward, siblings recede */
  .card.active{
    transform: scale(1.035) translateY(-10px);
    box-shadow: 0 40px 70px -24px color-mix(in srgb, var(--card-accent, var(--accent)) 45%, rgba(0,0,0,.4));
    border-color: var(--card-accent, var(--accent));
    z-index:6;
  }
  .grid.has-active .card:not(.active){
    opacity:.4;
    filter: blur(1.5px) saturate(.7);
    transform: scale(.965);
  }
  .grid.has-active .card:not(.active):hover{
    opacity:.65; filter: blur(.5px) saturate(.85); transform: scale(.975);
  }

  /* ---------- leadership + personal writing ---------- */
  .lead-grid{
    display:grid; grid-template-columns: repeat(2, 1fr); gap:16px;
  }
  .lead-card{
    background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
    padding:24px; transition: transform .4s var(--ease), border-color .35s, box-shadow .4s var(--ease);
  }
  .lead-card:hover{
    transform:translateY(-4px);
    border-color: var(--card-accent, var(--accent));
    box-shadow: 0 20px 40px -22px rgba(0,0,0,.22);
  }
  .lead-card .tag{ margin-bottom:14px; }
  .lead-card h3{
    font-family:'Manrope', sans-serif; font-weight:700; font-size:1.25rem; margin:0 0 8px; letter-spacing:-.01em;
  }
  .lead-card p{ color:var(--ink-soft); font-size:.88rem; line-height:1.6; margin:0; }

  .article-card{
    background:var(--surface); border:1px dashed var(--line); border-radius:var(--radius);
    padding:24px; min-height:150px; display:flex; flex-direction:column; justify-content:center; gap:8px;
    transition: border-color .35s, background .35s;
  }
  .article-card:hover{ border-color: var(--accent); background: var(--accent-soft); }
  .article-card.published{ border-style:solid; border-color:var(--line); background:var(--surface); }
  .article-card.published:hover{
    border-color: var(--card-accent, var(--accent));
    background: var(--surface);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -22px rgba(0,0,0,.2);
  }
  .article-card.published h3{ font-style:normal; font-weight:700; color:var(--ink); font-size:1.15rem; }
  .article-card.published p{ opacity:.9; }
  .article-card.published .article-status{ color: var(--card-accent, var(--accent)); }
  .article-status{
    font-family:'IBM Plex Mono', monospace; font-size:.68rem; letter-spacing:.06em; text-transform:uppercase;
    color:var(--ink-soft);
  }
  .article-card h3{
    font-family:'Manrope', sans-serif; font-style:italic; font-weight:400; font-size:1.15rem; margin:0;
    color:var(--ink-soft);
  }
  .article-card p{ color:var(--ink-soft); font-size:.85rem; margin:0; opacity:.75; }

  @media (max-width: 860px){
    .lead-grid{ grid-template-columns:1fr; }
  }

  /* ---------- about / footer ---------- */
  .about{
    display:grid; grid-template-columns: 1.1fr .9fr; gap:60px;
    padding-top:60px; padding-bottom:60px;
    border-top:1px solid var(--line);
  }
  .about h2{
    font-family:'Fraunces', serif; font-weight:700; font-size:clamp(1.6rem,3.4vw,2.6rem);
    line-height:1.25; margin:14px 0 20px; max-width:20ch;
  }
  .about p{ color:var(--ink-soft); line-height:1.7; max-width:52ch; }
  .toollist{ display:flex; flex-wrap:wrap; gap:8px; margin-top:22px; }
  .toollist span{
    font-family:'IBM Plex Mono', monospace; font-size:.72rem;
    border:1px solid var(--accent); padding:6px 11px; border-radius:20px;
    color: var(--accent);
    background: var(--accent-soft);
    font-weight:500;
  }
  .contact-card{
    background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
    padding:28px; align-self:start;
  }
  .contact-card .eyebrow{ margin-bottom:12px; }
  .contact-link{
    display:flex; justify-content:space-between; align-items:center;
    padding:14px 0; border-top:1px solid var(--line);
    text-decoration:none; color:var(--ink); font-size:.95rem;
  }
  .contact-link:first-of-type{ border-top:none; }
  .contact-link span.small{ color:var(--ink-soft); font-family:'IBM Plex Mono', monospace; font-size:.72rem; }

  footer{
    padding:28px clamp(20px,5vw,64px) 40px;
    display:flex; justify-content:space-between; color:var(--ink-soft);
    font-family:'IBM Plex Mono', monospace; font-size:.72rem;
    flex-wrap:wrap; gap:10px;
    position:relative;
  }
  .footer-left{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
  .footer-sep{ opacity:.5; }
  .footer-deploy{ display:inline-flex; align-items:center; color:var(--ink-soft); }

  /* ---------- scribbles ---------- */
  .scribble{
    position:absolute;
    pointer-events:auto;
    cursor:default;
    opacity:.85;
    z-index:0;
  }
  .scribble path, .scribble circle{ fill:none; stroke-linecap:round; stroke-linejoin:round; }

  /* star / sparkle: bouncy pop + confetti burst */
  .scribble.pop{ animation: scribblePop .6s cubic-bezier(.34,1.56,.64,1); }
  @keyframes scribblePop{
    0%{ transform: scale(1) rotate(0deg); }
    35%{ transform: scale(1.4) rotate(-14deg); }
    62%{ transform: scale(.9) rotate(9deg); }
    100%{ transform: scale(1) rotate(0deg); }
  }

  /* wave squiggles: side-to-side wiggle, like the line undulating */
  .scribble-wave.wiggle{ animation: scribbleWiggle .6s ease-in-out; }
  @keyframes scribbleWiggle{
    0%,100%{ transform: rotate(0deg); }
    20%{ transform: rotate(-9deg); }
    40%{ transform: rotate(7deg); }
    60%{ transform: rotate(-5deg); }
    80%{ transform: rotate(3deg); }
  }

  /* circles: pull inward into a spiral, then release back out */
  .scribble-circle.spiral{ animation: scribbleSpiral .7s cubic-bezier(.45,0,.55,1); }
  @keyframes scribbleSpiral{
    0%{ transform: scale(1) rotate(0deg); opacity:.85; }
    50%{ transform: scale(.32) rotate(190deg); opacity:.55; }
    100%{ transform: scale(1) rotate(380deg); opacity:.85; }
  }

  /* heart-loop: a quick double heartbeat pulse */
  .scribble-heart.heartbeat{ animation: scribbleHeartbeat .65s ease-in-out; }
  @keyframes scribbleHeartbeat{
    0%,100%{ transform: scale(1); }
    15%{ transform: scale(1.3); }
    30%{ transform: scale(1.05); }
    45%{ transform: scale(1.35); }
    62%{ transform: scale(1); }
  }

  /* arrow: darts forward in its own direction, then springs back */
  .scribble-arrow.dart{ animation: scribbleDart .5s cubic-bezier(.34,1.56,.64,1); }
  @keyframes scribbleDart{
    0%{ transform: translate(0,0) rotate(0deg); }
    40%{ transform: translate(9px,-9px) rotate(10deg); }
    100%{ transform: translate(0,0) rotate(0deg); }
  }

  /* plus mark: a quick spinning flash, like a spark igniting */
  .scribble-plus.flash{ animation: scribbleFlash .6s ease-out; }
  @keyframes scribbleFlash{
    0%{ transform: scale(1) rotate(0deg); opacity:.85; }
    30%{ transform: scale(1.6) rotate(90deg); opacity:1; }
    60%{ transform: scale(.85) rotate(200deg); opacity:.85; }
    100%{ transform: scale(1) rotate(360deg); opacity:.85; }
  }

  .confetti-particle{
    position:fixed; pointer-events:none; z-index:9999;
  }
  .float-a{ animation: floatA 9s ease-in-out infinite; }
  .float-b{ animation: floatB 11s ease-in-out infinite; }
  .float-c{ animation: floatC 7.5s ease-in-out infinite; }
  .spin-slow{ animation: spinSlow 22s linear infinite; transform-origin:50% 50%; }
  @keyframes floatA{
    0%,100%{ transform: translateY(0) rotate(-4deg); }
    50%{ transform: translateY(-14px) rotate(4deg); }
  }
  @keyframes floatB{
    0%,100%{ transform: translateY(0) translateX(0) rotate(3deg); }
    50%{ transform: translateY(12px) translateX(-8px) rotate(-6deg); }
  }
  @keyframes floatC{
    0%,100%{ transform: scale(1) rotate(0deg); }
    50%{ transform: scale(1.12) rotate(8deg); }
  }
  @keyframes spinSlow{ to{ transform: rotate(360deg); } }

  @media (max-width: 860px){
    .scribble{ display:none; }
    .grid{ grid-template-columns: repeat(2,1fr); }
    .about{ grid-template-columns:1fr; }
    #pulse{ display:none; }
  }

  @media (max-width: 540px){
    .grid{ grid-template-columns: 1fr; }
  }


  /* ================= Case study pages ================= */
  .cs-back{
    display:flex; width:fit-content; align-items:center; gap:6px;
    font-family:'IBM Plex Mono', monospace; font-size:.75rem; color:var(--ink-soft);
    text-decoration:none; margin-bottom:28px;
  }
  .cs-back:hover{ color:var(--ink); }
  .cs-back svg{ width:13px; height:13px; }

  .cs-hero{ padding: 44px clamp(20px,5vw,64px) 0; position:relative; }
  .cs-title{
    font-family:'Fraunces', serif; font-weight:700; font-size:clamp(2rem,5vw,3.6rem);
    line-height:1.08; letter-spacing:-.02em; margin:18px 0 20px; max-width:19ch;
  }
  .cs-subtitle{ color:var(--ink-soft); font-size:1.05rem; line-height:1.65; max-width:62ch; margin:0 0 34px; }
  .cs-meta{
    display:flex; gap:36px; flex-wrap:wrap;
    padding:24px 0 32px; border-top:1px solid var(--line);
  }
  .cs-meta-item{ font-family:'IBM Plex Mono', monospace; font-size:.75rem; color:var(--ink-soft); max-width:20ch; }
  .cs-meta-item b{
    display:block; font-family:'Fraunces', serif; font-weight:500; font-size:1.1rem;
    color:var(--ink); margin-bottom:3px;
  }

  /* photo placeholder — dashed, clearly a "drop your image here" slot */
  .photo-placeholder{
    border:1.5px dashed var(--line); border-radius:var(--radius);
    background:var(--surface-2);
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px;
    color:var(--ink-soft); text-align:center; padding:32px 20px;
  }
  .photo-placeholder svg{ width:28px; height:28px; opacity:.5; }
  .photo-placeholder span{
    font-family:'IBM Plex Mono', monospace; font-size:.72rem; line-height:1.6; max-width:32ch;
  }
  .cs-hero-image{ aspect-ratio:16/9; margin: 0 clamp(20px,5vw,64px) 56px; }

  .cs-section{ padding: 8px clamp(20px,5vw,64px) 56px; }
  .cs-section-label{
    font-family:'IBM Plex Mono', monospace; font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
    color:var(--ink-soft); margin-bottom:14px;
  }
  .cs-overview p{ color:var(--ink-soft); font-size:1.02rem; line-height:1.75; max-width:none; margin:0 0 14px; }

  .cs-collapse{
    border:1px solid var(--line); border-radius:var(--radius); background:var(--surface);
    overflow:hidden;
  }
  .cs-collapse summary{
    list-style:none; cursor:pointer;
    padding:22px clamp(20px,4vw,28px);
    display:flex; justify-content:space-between; align-items:center; gap:20px;
  }
  .cs-collapse summary::-webkit-details-marker{ display:none; }
  .cs-collapse summary:hover .cs-collapse-title{ color:var(--accent); }
  .cs-collapse-title{
    font-family:'Fraunces', serif; font-weight:700; font-size:1.1rem; color:var(--ink);
    line-height:1.3; transition:color .25s var(--ease); max-width:56ch;
  }
  .cs-collapse-toggle{
    display:flex; align-items:center; gap:8px; flex-shrink:0;
    font-family:'IBM Plex Mono', monospace; font-size:.74rem; color:var(--accent);
  }
  .cs-collapse .chevron{
    flex-shrink:0; color:var(--ink-soft); transition: transform .3s var(--ease);
  }
  .cs-collapse[open] .chevron{ transform: rotate(180deg); }
  .cs-collapse:not([open]) .label-open{ display:none; }
  .cs-collapse[open] .label-closed{ display:none; }
  .cs-collapse-body{
    padding:0 clamp(20px,4vw,28px) 26px;
    color:var(--ink-soft); font-size:.94rem; line-height:1.75;
    border-top:1px solid var(--line); margin-top:-1px; padding-top:20px;
  }
  .cs-collapse-body p{ margin:0 0 14px; }
  .cs-collapse-body p:last-child{ margin-bottom:0; }
  .cs-overview p:last-child{ margin-bottom:0; }

  /* process: numbered, photo-forward steps */
  .cs-process-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
  .cs-process-3col{ grid-template-columns:repeat(3,1fr); }
  .cs-chart-grid{ grid-template-columns:1fr 1fr; }
  .cs-step{ display:flex; flex-direction:column; gap:14px; }
  .cs-step-num{
    width:30px; height:30px; border-radius:50%; border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center;
    font-family:'IBM Plex Mono', monospace; font-size:.78rem; color:var(--ink-soft); flex-shrink:0;
  }
  .cs-step .photo-placeholder{ aspect-ratio:4/3; }
  .cs-step p{ color:var(--ink-soft); font-size:.9rem; line-height:1.55; margin:0; }

  /* AI & tools callout — deliberately stands out */
  .cs-ai-callout{
    border:1.5px solid var(--accent);
    background: var(--accent-soft);
    border-radius:var(--radius);
    padding:28px 30px;
    display:flex; gap:20px; align-items:flex-start;
  }
  .cs-ai-callout .icon{
    width:40px; height:40px; border-radius:50%; background:var(--surface);
    display:flex; align-items:center; justify-content:center; flex-shrink:0;
    color:var(--accent);
  }
  .cs-ai-callout h3{
    font-family:'Manrope', sans-serif; font-weight:700; font-size:1.05rem; margin:0 0 8px; color:var(--ink);
  }
  .cs-ai-callout p{ color:var(--ink-soft); font-size:.92rem; line-height:1.6; margin:0; max-width:none; }
  .cs-ai-callout .ai-tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:12px; }
  .cs-ai-callout .ai-tags span{
    font-family:'IBM Plex Mono', monospace; font-size:.68rem; color:var(--accent);
    border:1px solid var(--accent); border-radius:20px; padding:3px 10px;
  }

  /* outcome — reuse the credential visual language for consistency */
  .cs-outcome-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:36px; }
  .cs-outcome-4col{ grid-template-columns:repeat(4,1fr); gap:20px; }
  .cs-outcome-grid .credential{ max-width:none; }

  .cs-reflection{
    border-left:3px solid var(--accent); padding-left:24px;
    font-family:'Fraunces', serif; font-style:italic; font-weight:400;
    font-size:clamp(1.2rem,2.4vw,1.6rem); line-height:1.55; color:var(--ink); max-width:56ch;
  }

  .cs-footer-nav{
    display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
    padding:36px clamp(20px,5vw,64px) 50px; border-top:1px solid var(--line); margin-top:20px;
  }
  .cs-footer-nav a{
    font-family:'IBM Plex Mono', monospace; font-size:.78rem; color:var(--ink-soft); text-decoration:none;
    display:inline-flex; align-items:center; gap:6px;
  }
  .cs-footer-nav a:hover{ color:var(--ink); }

  @media (max-width:720px){
    .cs-process-grid{ grid-template-columns:1fr; }
    .cs-outcome-grid{ grid-template-columns:1fr; }
    .cs-chart-grid{ grid-template-columns:1fr; }
    .cs-ai-callout{ flex-direction:column; }
  }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:.001s !important; transition-duration:.001s !important; }
  }