/* ============================================
   CINEMATIC SPORTS PORTFOLIO — style.css
   Style: Premium dark sci-fi, inspired by Apple/OpenAI/Midjourney + Athletic Energy
   ============================================ */

:root {
  --bg: #060608;
  --surface: rgba(255,255,255,0.03);
  --text: #e8e8ec;
  --muted: rgba(255,255,255,0.45);
  --line: rgba(255,255,255,0.08);
  --accent: #6366f1;
  --accent-neon: #f97316; /* High-energy neon orange for sports feel */
  --accent-green: #22c55e;
  --max: 1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  letter-spacing:-0.01em;
  overflow-x:hidden;
}

/* ===== Cinematic Background ===== */
.cinematic-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:url('img/hero-bg.png') right top/cover no-repeat;
  opacity:.5;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.95) 0%,rgba(0,0,0,.2) 50%,transparent 100%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.95) 0%,rgba(0,0,0,.2) 50%,transparent 100%);
}

#runnerCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0; /* Behind everything */
  pointer-events: auto; /* allow hover */
  opacity: 1;
  transition: opacity 0.5s ease-out;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:min(var(--max),calc(100% - 48px));margin:0 auto;position:relative;z-index:10}

main,.nav-wrap,footer{position:relative;z-index:10}

/* ===== NAV ===== */
.nav-wrap{
  position:sticky;top:0;z-index:100;
  padding:16px 0;
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  background:linear-gradient(180deg,rgba(6,6,8,.85),rgba(6,6,8,0));
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:1rem;color:#fff;letter-spacing:-.02em}
.brand .sub{font-size:.7rem;color:var(--accent-neon);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.nav-links{display:flex;gap:6px}
.nav-links a{
  font-size:.8rem;color:var(--muted);padding:6px 14px;border-radius:6px;
  transition:color .2s,background .2s;font-weight:500;
}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.06)}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4{margin:0;font-weight:600;color:#fff;letter-spacing:-.03em}
h1{font-size:clamp(3.2rem,6vw,5.5rem);line-height:1;font-weight:700;letter-spacing:-.04em;text-transform:uppercase;font-style:italic}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem);line-height:1.15}
h3{font-size:1.05rem;letter-spacing:-.02em}
h4{font-size:.9rem;font-weight:600;margin-bottom:6px}
p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.7}
strong{color:rgba(255,255,255,.8)}
.muted{color:var(--muted)}
.small{font-size:.84rem}

.eyebrow{
  display:inline-block;font-size:.72rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent-neon);margin-bottom:20px;
}

/* ===== HERO ===== */
.hero{
  padding:24vh 0 100px;min-height:100vh;
  display:flex;flex-direction:column;justify-content:center;
  pointer-events:none; /* Let mouse hit canvas behind */
}
.hero .container { pointer-events:auto; } /* Let content be clickable */
.hero-content{
  max-width:800px;
  text-align:center;
  margin:0 auto;
}
.typing-title{
  position:relative;
}
.typing-ghost{
  visibility:hidden;
}
.typing-text{
  position:absolute;
  inset:0;
}
.typing-text::after{
  content:"";
  display:inline-block;
  width:.08em;
  height:.82em;
  margin-left:.08em;
  background:#fff;
  transform:skewX(-10deg) translateY(.08em);
  animation:type-caret .7s steps(1,end) infinite;
}
.typing-complete .typing-text::after{
  opacity:0;
  animation:none;
}
.hero-sub{
  margin:28px auto 0;max-width:54ch;font-size:1.08rem;color:rgba(255,255,255,.65);
}
.hero-actions{margin-top:40px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Athletic Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 32px;font-size:.9rem;font-weight:600;
  border-radius:4px; /* Harder edge for sporty feel */
  transition:all .25s ease;cursor:pointer;border:none;
  transform:skewX(-8deg); /* Sports skew */
  text-transform:uppercase;letter-spacing:.04em;
}
.btn span { transform:skewX(8deg); } /* Un-skew the text */

.btn-primary{background:var(--accent-neon);color:#000}
.btn-primary:hover{background:#ff8f40;box-shadow:0 0 20px rgba(249,115,22,.4)}
.btn-secondary{background:rgba(255,255,255,.05);color:#fff;border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(10px)}
.btn-secondary:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.1)}

@keyframes type-caret{
  50%{opacity:0}
}

/* Athletic Stats */
.hero-stats{
  margin-top:80px;display:flex;gap:56px;justify-content:center;
  border-top:1px solid var(--line);padding-top:36px;
}
.stat{text-align:center;transform:skewX(-8deg)}
.stat strong{display:block;font-size:2.4rem;font-weight:700;letter-spacing:-.04em;margin-bottom:2px;color:#fff;font-style:italic}
.stat span{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}

/* ===== SECTIONS ===== */
section{padding:100px 0}
section+section{border-top:1px solid var(--line)}
.section-head{margin-bottom:56px;max-width:700px}
.section-head p{margin-top:16px}

/* ===== GRID / CARDS ===== */
.g1,.g2,.g3,.g4{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.g1{grid-template-columns:1fr}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g1>*,.g2>*,.g3>*,.g4>*{background:var(--bg);padding:36px}

.card{
  padding:36px;background:var(--surface);
  border:1px solid var(--line);border-radius:4px;
  transition:background .25s,border-color .25s;
}
.card:hover{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.14)}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}

.spotlight-card,
.journey-step{
  --mx:50%;
  --my:20%;
  --card-accent:249,115,22;
}
.spotlight-card{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.spotlight-card[data-accent="ember"]{--card-accent:249,115,22}
.spotlight-card[data-accent="aqua"]{--card-accent:56,189,248}
.spotlight-card[data-accent="gold"]{--card-accent:234,179,8}
.spotlight-card[data-accent="moss"]{--card-accent:34,197,94}
.spotlight-card:hover{
  background:
    radial-gradient(circle at var(--mx) var(--my),rgba(var(--card-accent),.16),transparent 38%),
    linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border-color:rgba(255,255,255,.2);
  box-shadow:0 18px 50px rgba(0,0,0,.24),0 0 28px rgba(var(--card-accent),.07);
}
.requirement-cards{
  position:relative;
  gap:16px;
  padding:58px 18px 18px;
  border:1px solid rgba(249,115,22,.26);
  border-radius:8px;
  background:
    linear-gradient(90deg,rgba(249,115,22,.24),transparent 28%,rgba(56,189,248,.1) 68%,transparent),
    linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  box-shadow:0 22px 80px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.08),0 0 34px rgba(249,115,22,.08);
}
.requirement-cards::before{
  content:"Core Design Requirements";
  position:absolute;
  top:18px;
  left:18px;
  padding:6px 10px;
  border:1px solid rgba(249,115,22,.34);
  border-radius:999px;
  background:rgba(249,115,22,.08);
  color:rgba(255,190,120,.92);
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.requirement-cards::after{
  content:"";
  position:absolute;
  top:31px;
  left:226px;
  right:18px;
  height:1px;
  background:linear-gradient(90deg,rgba(249,115,22,.34),rgba(255,255,255,.08),transparent);
}
.requirement-cards > .spotlight-card{
  min-height:100%;
  padding:34px;
  border-color:rgba(255,255,255,.13);
  background:
    linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02)),
    rgba(6,6,8,.82);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.025);
}
.requirement-cards > .spotlight-card::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  opacity:.55;
  background:
    radial-gradient(circle at 18% 0%,rgba(var(--card-accent),.18),transparent 34%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0 1px,transparent 1px 18px);
  pointer-events:none;
}
.requirement-cards > .spotlight-card:hover{
  transform:translateY(-6px);
  border-color:rgba(var(--card-accent),.34);
  box-shadow:0 22px 64px rgba(0,0,0,.34),0 0 32px rgba(var(--card-accent),.1);
}
.requirement-cards .chip{
  width:100%;
  padding:8px 12px;
  border-color:rgba(var(--card-accent),.3);
  background:rgba(var(--card-accent),.075);
  color:rgba(255,235,210,.84);
}
.requirement-cards h3{
  position:relative;
  padding-left:14px;
}
.requirement-cards h3::before{
  content:"";
  position:absolute;
  left:0;
  top:.18em;
  width:4px;
  height:1.15em;
  border-radius:999px;
  background:rgb(var(--card-accent));
  box-shadow:0 0 18px rgba(var(--card-accent),.42);
}

.chip{
  padding:3px 10px;border:1px solid var(--line);border-radius:4px;
  font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);
  white-space:nowrap;
}

ul.list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:14px}
.list li{display:flex;gap:14px;align-items:start}
.check{
  flex-shrink:0;width:18px;height:18px;border-radius:50%;margin-top:2px;
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.25);
  display:flex;align-items:center;justify-content:center;
  color:#86efac;font-size:10px;
}
.legacy-alternative-list{display:none!important}
.alternatives-grid{
  gap:24px;
  background:transparent;
  border:none;
  align-items:stretch;
}
.alternatives-grid > .card{
  display:flex;
  flex-direction:column;
  min-height:100%;
}
.alternative-card{
  --mx:50%;
  --my:20%;
  position:relative;
  isolation:isolate;
  overflow:hidden;
  padding:34px;
  border-color:rgba(255,255,255,.12);
  background:
    radial-gradient(circle at var(--mx) var(--my),rgba(255,255,255,.16),transparent 32%),
    linear-gradient(145deg,rgba(255,255,255,.065),rgba(255,255,255,.018));
  box-shadow:0 12px 36px rgba(0,0,0,.18);
  transform:translateY(0) scale(1);
  transition:transform .32s ease,border-color .32s ease,box-shadow .32s ease,background .32s ease;
}
.alternative-card::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  opacity:.45;
  background:
    linear-gradient(120deg,transparent 0 20%,rgba(255,255,255,.09) 42%,transparent 64%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0 1px,transparent 1px 18px);
  transform:translateX(-18%);
  transition:opacity .32s ease,transform .48s ease;
}
.alternative-card::after{
  content:"";
  position:absolute;
  inset:1px;
  z-index:-1;
  border-radius:inherit;
  border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.alternative-card:hover,
.alternative-card:focus-within{
  border-color:rgba(255,255,255,.34);
  box-shadow:0 24px 70px rgba(0,0,0,.34),0 0 34px rgba(255,255,255,.1);
  transform:translateY(-8px);
}
.alternative-card:hover::before,
.alternative-card:focus-within::before{
  opacity:.8;
  transform:translateX(0);
}
.alternative-card[data-accent="ai"]{
  --card-accent:99,102,241;
}
.alternative-card[data-accent="data"]{
  --card-accent:56,189,248;
}
.alternative-card[data-accent="social"]{
  --card-accent:34,197,94;
}
.alternative-card:hover{
  background:
    radial-gradient(circle at var(--mx) var(--my),rgba(var(--card-accent),.24),transparent 34%),
    linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
}
.alternative-card .chip{
  width:100%;
  padding:8px 12px;
  border-color:rgba(255,255,255,.14);
  background:rgba(255,255,255,.035);
  color:rgba(255,255,255,.62);
}
.alternative-card h3{
  position:relative;
  padding-left:14px;
}
.alternative-card h3::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  width:4px;
  height:1.1em;
  border-radius:999px;
  background:rgb(var(--card-accent));
  box-shadow:0 0 16px rgba(var(--card-accent),.5);
}
.selected-alternative{
  border-color:rgba(34,197,94,.34);
  box-shadow:0 18px 50px rgba(0,0,0,.26),0 0 28px rgba(34,197,94,.12);
}
.selected-alternative .chip{
  border-color:rgba(34,197,94,.34);
  color:#bbf7d0;
  background:rgba(34,197,94,.08);
}
.alternatives-grid > .card > h3{
  min-height:34px;
}
.alternatives-grid > .card > p:first-of-type{
  min-height:32px;
}
.alternatives-grid > .card > p:nth-of-type(2){
  min-height:92px;
}
.alternative-points .check{
  font-weight:700;
}
.alternative-points{
  margin-top:8px;
  gap:16px;
}
.alternative-points li{
  display:grid;
  grid-template-columns:26px minmax(0,1fr);
  gap:14px;
  align-items:start;
  transition:transform .22s ease,color .22s ease;
}
.alternative-points li:hover{
  transform:translateX(6px);
  color:#fff;
}
.alternative-points .check{
  margin-top:3px;
  box-shadow:0 0 12px rgba(34,197,94,.14);
  transition:transform .22s ease,box-shadow .22s ease;
}
.alternative-points li:hover .check{
  transform:scale(1.12);
  box-shadow:0 0 16px rgba(255,255,255,.16);
}
.alternative-points li:nth-child(n+4) .check{
  background:rgba(239,68,68,.12);
  border-color:rgba(239,68,68,.25);
  color:#fca5a5;
}

/* ===== TIMELINE ===== */
.timeline{display:grid;gap:28px;border-left:1px solid rgba(255,255,255,.15);padding-left:24px;margin-top:24px}
.timeline-item{position:relative}
.timeline-dot{
  position:absolute;left:-29px;top:5px;width:8px;height:8px;
  border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);
}
.phase strong{display:block;color:#fff;margin-bottom:4px}

/* ===== TABLES ===== */
.comparison-table{overflow-x:auto;border:1px solid var(--line);margin-top:16px}
.comparison-table table{width:100%;border-collapse:collapse;text-align:left}
.comparison-table th{
  padding:14px 18px;font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);border-bottom:1px solid var(--line);background:rgba(255,255,255,.02);
}
.comparison-table td{padding:14px 18px;border-bottom:1px solid var(--line);font-size:.88rem;color:var(--text)}

/* ===== ACADEMIC PAPER REVIEW ===== */
.paper-review-section{
  position:relative;
  overflow:hidden;
  border-color:rgba(249,115,22,.18);
  background:
    radial-gradient(circle at 18% 0%,rgba(249,115,22,.12),transparent 34%),
    linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
}
.paper-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:22px;
}
.paper-card{
  padding:24px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.018)),
    rgba(6,6,8,.74);
}
.paper-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.paper-meta span,
.paper-meta strong{
  padding:6px 10px;
  border:1px solid rgba(var(--card-accent),.28);
  border-radius:999px;
  background:rgba(var(--card-accent),.07);
  color:rgba(255,235,210,.82);
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.paper-meta strong{
  color:rgba(255,255,255,.58);
  border-color:rgba(255,255,255,.12);
  background:rgba(255,255,255,.035);
}
.paper-card h4{
  margin:0;
  font-size:1.05rem;
  line-height:1.45;
}
.paper-author{
  margin-top:8px;
  color:rgba(255,255,255,.72);
  font-size:.86rem;
  font-style:italic;
  line-height:1.55;
}
.paper-card > p:not(.paper-author){
  margin-top:14px;
  font-size:.86rem;
  line-height:1.6;
}
.paper-columns{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:18px;
}
.paper-columns > div{
  padding:14px;
  border:1px solid rgba(255,255,255,.09);
  border-radius:6px;
  background:rgba(255,255,255,.025);
}
.paper-columns h5{
  margin:0 0 10px;
  color:rgba(255,255,255,.82);
  font-size:.78rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.paper-columns ol{
  margin:0;
  padding-left:18px;
  display:grid;
  gap:8px;
}
.paper-columns li{
  color:var(--muted);
  font-size:.8rem;
  line-height:1.48;
}
.paper-implication{
  margin-top:16px;
  padding:14px 16px;
  border-left:3px solid rgba(var(--card-accent),.55);
  border-radius:0 6px 6px 0;
  background:rgba(var(--card-accent),.07);
  color:rgba(255,255,255,.74);
  font-size:.84rem;
  line-height:1.58;
}
.paper-implication strong{
  color:rgba(255,235,210,.92);
}

/* ===== COMMERCIAL PRODUCT REVIEW ===== */
.product-review-section{
  position:relative;
  overflow:hidden;
  border-color:rgba(56,189,248,.16);
  background:
    radial-gradient(circle at 84% 0%,rgba(56,189,248,.1),transparent 34%),
    linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.018));
}
.product-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:22px;
}
.product-card{
  padding:24px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.018)),
    rgba(6,6,8,.74);
}
.product-head{
  display:grid;
  gap:8px;
  margin-bottom:16px;
}
.product-head span{
  width:fit-content;
  padding:6px 10px;
  border:1px solid rgba(var(--card-accent),.28);
  border-radius:999px;
  background:rgba(var(--card-accent),.07);
  color:rgba(255,235,210,.78);
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.product-head h4{
  margin:0;
  font-size:1.25rem;
}
.review-columns{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.review-columns > div{
  padding:14px;
  border:1px solid rgba(255,255,255,.09);
  border-radius:6px;
  background:rgba(255,255,255,.025);
}
.review-columns h5{
  margin:0 0 10px;
  color:rgba(255,255,255,.82);
  font-size:.78rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.review-columns ol{
  margin:0;
  padding-left:18px;
  display:grid;
  gap:8px;
}
.review-columns li{
  color:var(--muted);
  font-size:.8rem;
  line-height:1.48;
}
.design-opportunity{
  margin-top:20px;
  padding:20px;
  border:1px solid rgba(249,115,22,.24);
  border-radius:8px;
  background:
    linear-gradient(90deg,rgba(249,115,22,.12),rgba(56,189,248,.055),transparent),
    rgba(255,255,255,.025);
}
.design-opportunity .chip{
  width:fit-content;
  border-color:rgba(249,115,22,.34);
  background:rgba(249,115,22,.08);
  color:rgba(255,190,120,.9);
}
.design-opportunity p{
  margin-top:12px;
  max-width:100ch;
  color:rgba(255,255,255,.76);
  line-height:1.65;
}

/* ===== PERSONA CARDS ===== */
.persona-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.persona-card{
  background:var(--surface);border:1px solid var(--line);border-radius:6px;
  padding:32px;display:flex;flex-direction:column;gap:24px;
}
.persona-card-header{display:flex;gap:18px;align-items:flex-start;padding-bottom:20px;border-bottom:1px solid var(--line)}
.persona-avatar{width:72px;height:72px;border-radius:10px;overflow:hidden;flex-shrink:0;border:1px solid rgba(255,255,255,.12)}
.persona-avatar img{width:100%;height:100%;object-fit:cover}
.persona-header-text{display:flex;flex-direction:column;gap:4px}
.persona-label{
  font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 8px;border-radius:3px;width:fit-content;margin-bottom:4px;
}
.primary-label{background:rgba(99,102,241,.15);color:#a5b4fc;border:1px solid rgba(99,102,241,.25)}
.secondary-label{background:rgba(249,115,22,.15);color:#fdba74;border:1px solid rgba(249,115,22,.25)}
.persona-name{font-size:1.6rem;font-weight:500;letter-spacing:-.03em}
.persona-subtitle{font-size:.82rem;color:var(--muted);line-height:1.4}
.persona-quote{
  background:rgba(255,255,255,.03);border-left:2px solid rgba(255,255,255,.18);
  padding:14px 18px;border-radius:0 4px 4px 0;
}
.persona-quote p{font-style:italic;color:rgba(255,255,255,.6);font-size:.92rem}
.persona-tags{display:flex;flex-wrap:wrap;gap:8px}
.ptag{font-size:.76rem;padding:4px 12px;border:1px solid rgba(255,255,255,.12);border-radius:99px;color:rgba(255,255,255,.55)}
.persona-bg-section h4{margin-bottom:8px}
.persona-bg-section p{font-size:.88rem}
.persona-quad{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pquad-item{padding:14px;border-radius:4px;border:1px solid var(--line)}
.pquad-item strong{display:block;font-size:.82rem;font-weight:600;color:rgba(255,255,255,.75);margin-bottom:4px}
.pquad-item p{font-size:.8rem;color:var(--muted);line-height:1.55}
.pquad-item.needs{background:rgba(99,102,241,.05);border-color:rgba(99,102,241,.12)}
.pquad-item.pain{background:rgba(239,68,68,.05);border-color:rgba(239,68,68,.12)}
.pquad-item.motivation{background:rgba(34,197,94,.05);border-color:rgba(34,197,94,.12)}
.pquad-item.opportunity{background:rgba(251,191,36,.05);border-color:rgba(251,191,36,.12)}
.persona-scenarios{
  list-style:none;padding:20px 0 0;margin:0;display:flex;flex-direction:column;gap:12px;
  border-top:1px solid var(--line);
}
.persona-scenarios li{display:flex;gap:12px;align-items:flex-start}
.persona-scenarios li span:last-child{font-size:.86rem;color:var(--muted);line-height:1.55}
.persona-scenarios strong{color:rgba(255,255,255,.75)}
.scenario-check{
  flex-shrink:0;width:18px;height:18px;border-radius:50%;margin-top:2px;
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.25);
  display:flex;align-items:center;justify-content:center;color:#86efac;font-size:10px;
}

/* ===== JOURNEY ===== */
.journey{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:24px;counter-reset:journey-step}
.journey-step{
  position:relative;
  min-height:100%;
  padding:28px 20px;
  background:var(--bg);
  counter-increment:journey-step;
  overflow:hidden;
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.journey-step:nth-child(1){--card-accent:249,115,22}
.journey-step:nth-child(2){--card-accent:234,179,8}
.journey-step:nth-child(3){--card-accent:56,189,248}
.journey-step:nth-child(4){--card-accent:99,102,241}
.journey-step:nth-child(5){--card-accent:34,197,94}
.journey-step:nth-child(6){--card-accent:244,114,182}
.journey-step::before{
  content:"0" counter(journey-step);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:28px;
  min-width:42px;
  margin-bottom:22px;
  border:1px solid rgba(249,115,22,.42);
  border-radius:999px;
  color:rgb(249,115,22);
  background:rgba(249,115,22,.08);
  font-size:.72rem;
  font-weight:800;
  letter-spacing:.08em;
}
.journey-step:hover{
  background:
    radial-gradient(circle at var(--mx) var(--my),rgba(var(--card-accent),.14),transparent 38%),
    var(--bg);
  box-shadow:inset 0 0 0 1px rgba(var(--card-accent),.12);
}
.journey-step>strong{display:block;font-size:1rem;padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.journey-step .pain{
  margin-top:16px;padding:10px 12px;border-left:2px solid rgba(239,68,68,.4);
  background:rgba(239,68,68,.06);color:rgba(255,150,150,.8);font-size:.82rem;line-height:1.5;border-radius:0 4px 4px 0;
}

/* ===== NOTES ===== */
.note{padding:16px;border-radius:4px;border:1px solid var(--line)}
.note.kpi{border-color:rgba(99,102,241,.2);background:rgba(99,102,241,.04)}
.note.ai{border-color:rgba(249,115,22,.2);background:rgba(249,115,22,.04)}
.note strong{display:block;font-size:.9rem;margin-bottom:6px;color:rgba(255,255,255,.8)}
.lowfi-link-card{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:24px;
  align-items:center;
  padding:28px;
  margin-top:14px;
  border-color:rgba(56,189,248,.26);
  background:
    radial-gradient(circle at 18% 20%,rgba(56,189,248,.16),transparent 32%),
    linear-gradient(135deg,rgba(56,189,248,.08),rgba(255,255,255,.025));
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.lowfi-link-card::before{
  content:"";
  position:absolute;
  inset:-40% auto -40% -30%;
  width:34%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);
  transform:skewX(-18deg) translateX(-120%);
  transition:transform .7s ease;
  pointer-events:none;
}
.lowfi-link-card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,255,255,.38);
  box-shadow:0 20px 56px rgba(0,0,0,.32),0 0 24px rgba(56,189,248,.14);
}
.lowfi-link-card:hover::before{
  transform:skewX(-18deg) translateX(480%);
}
.lowfi-content{
  display:flex;
  align-items:center;
  gap:18px;
  min-width:0;
}
.lowfi-mark{
  width:58px;
  height:58px;
  flex-shrink:0;
  display:grid;
  place-items:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:50%;
  background:
    linear-gradient(135deg,rgba(56,189,248,.22),rgba(255,255,255,.04));
  color:#e0f2fe;
  font-weight:700;
  letter-spacing:.06em;
  box-shadow:inset 0 0 18px rgba(56,189,248,.12),0 0 18px rgba(56,189,248,.12);
}
.lowfi-copy{
  min-width:0;
}
.lowfi-copy h3{
  margin:0;
}
.lowfi-copy p{
  margin-top:8px;
  max-width:62ch;
}
.prototype-link{
  position:relative;
  display:grid;
  gap:4px;
  min-width:min(360px,100%);
  padding:14px 16px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px;
  background:rgba(5,12,18,.44);
  color:#bfdbfe;
  font-size:.82rem;
  font-weight:600;
  line-height:1.55;
  overflow-wrap:anywhere;
  transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.prototype-link::after{
  content:"->";
  position:absolute;
  top:14px;
  right:16px;
  color:#fff;
  transition:transform .22s ease;
}
.prototype-link:hover,
.prototype-link:focus-visible{
  border-color:rgba(255,255,255,.42);
  background:rgba(255,255,255,.08);
  transform:translateY(-2px);
}
.prototype-link:hover::after,
.prototype-link:focus-visible::after{
  transform:translateX(4px);
}
.prototype-url{
  max-width:32ch;
  color:rgba(255,255,255,.48);
  font-size:.7rem;
  font-weight:500;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ===== GALLERY / SKETCH ===== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
.evidence-gallery{grid-template-columns:repeat(5,minmax(0,1fr));align-items:start}
.evidence-gallery .gallery-card::before{display:none}
.evidence-photo{
  display:block;
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border:1px solid rgba(255,255,255,.16);
  border-radius:8px;
  background:rgba(255,255,255,.04);
}
.evidence-caption{
  margin-top:10px;
  min-height:2.8em;
  color:var(--muted);
  font-size:.82rem;
  font-weight:600;
  line-height:1.35;
}
.sketch-board{
  position:relative;
  overflow:hidden;
  padding:32px;
  background:
    linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.018)),
    repeating-linear-gradient(135deg,rgba(255,255,255,.025) 0 1px,transparent 1px 16px);
}
.sketch-board::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 18% 0%,rgba(255,255,255,.12),transparent 34%);
  pointer-events:none;
}
.sketch-board-head{
  position:relative;
  z-index:1;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:24px;
  padding-bottom:22px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.sketch-board-head h3{
  font-size:1.45rem;
}
.sketch-board-head p{
  max-width:58ch;
  margin-top:8px;
  font-size:.88rem;
}
.sketch-board-kicker{
  margin-bottom:8px;
  color:rgba(255,255,255,.52);
  font-size:.68rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.sketch-count{
  flex-shrink:0;
  padding:8px 12px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  background:rgba(255,255,255,.055);
  color:rgba(255,255,255,.72);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.gallery-card{
  position:relative;
  margin:0;
  text-align:center;
}
.gallery-card figcaption{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:12px;
  font-size:.78rem;
  color:rgba(255,255,255,.58);
  letter-spacing:.04em;
  text-transform:uppercase;
}
.gallery-card figcaption::before{
  content:"";
  width:18px;
  height:1px;
  background:rgba(255,255,255,.2);
}
.sketch-gallery{
  position:relative;
  z-index:1;
  align-items:start;
  gap:22px;
  margin-top:26px;
}
.sketch-tile{
  position:relative;
  width:100%;
  aspect-ratio:4 / 3;
  padding:0;
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  overflow:hidden;
  cursor:pointer;
  background:
    linear-gradient(135deg,rgba(255,255,255,.055),rgba(255,255,255,.015)),
    repeating-linear-gradient(45deg,rgba(255,255,255,.035) 0 1px,transparent 1px 12px);
  box-shadow:0 10px 30px rgba(0,0,0,.18);
  transform:scale(1) translateY(0);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  z-index:1;
}
.gallery-card::before{
  content:"0" counter(sketch);
  counter-increment:sketch;
  position:absolute;
  top:10px;
  left:10px;
  z-index:10;
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:50%;
  background:rgba(6,6,8,.64);
  color:rgba(255,255,255,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  font-size:.72rem;
  font-weight:700;
  pointer-events:none;
}
.sketch-gallery{
  counter-reset:sketch;
}
.sketch-tile:hover,
.sketch-tile:focus-visible{
  border-color:rgba(255,255,255,.82);
  box-shadow:0 20px 52px rgba(0,0,0,.42),0 0 26px rgba(255,255,255,.2);
  transform:scale(1.045) translateY(-4px);
  z-index:5;
}
.sketch-tile::after{
  content:"";
  position:absolute;
  inset:0;
  border:1px solid transparent;
  border-radius:8px;
  transition:border-color .22s ease,box-shadow .22s ease;
  pointer-events:none;
}
.sketch-tile:hover::after,
.sketch-tile:focus-visible::after{
  border-color:rgba(255,255,255,.9);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);
}
.sketch-tile img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1);
  transition:transform .28s ease,filter .28s ease;
}
.sketch-tile:hover img,
.sketch-tile:focus-visible img{
  transform:scale(1.035);
  filter:brightness(1.08);
}
.sketch-placeholder{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  color:rgba(255,255,255,.42);
  font-size:.86rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  border:1px dashed rgba(255,255,255,.16);
}
.sketch-tile img:not([hidden]) + .sketch-placeholder{
  display:none;
}
.sketch-lightbox{
  position:fixed;
  inset:0;
  z-index:1000;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:32px;
  background:rgba(0,0,0,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .22s ease,visibility .22s ease;
}
.sketch-lightbox.open{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
.sketch-lightbox-panel{
  width:min(100%,980px);
  max-height:86vh;
  margin:0;
  display:grid;
  gap:12px;
  transform:scale(.96);
  transition:transform .22s ease;
}
.sketch-lightbox.open .sketch-lightbox-panel{
  transform:scale(1);
}
.sketch-lightbox-panel img{
  width:100%;
  max-height:78vh;
  object-fit:contain;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  background:#0b0b0f;
  box-shadow:0 24px 80px rgba(0,0,0,.42);
}
.sketch-lightbox-panel figcaption{
  text-align:center;
  font-size:.86rem;
  color:rgba(255,255,255,.72);
}
.sketch-lightbox-close{
  position:absolute;
  top:18px;
  right:18px;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;
  cursor:pointer;
  font-size:1.1rem;
  line-height:1;
}
.sketch-lightbox-close:hover,
.sketch-lightbox-close:focus-visible{
  background:rgba(249,115,22,.24);
  border-color:rgba(249,115,22,.55);
}

/* ===== PROTOTYPE ===== */
.hifi-gallery{
  margin-top:20px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.hifi-shot{
  margin:0;
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  background:rgba(255,255,255,.02);
}
.hifi-shot img{
  width:100%;
  display:block;
  height:clamp(240px,30vw,340px);
  object-fit:contain;
  background:rgba(0,0,0,.24);
}
.hifi-shot figcaption{
  padding:8px 10px;
  border-top:1px solid var(--line);
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--muted);
}

/* Architecture */
.architecture{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.arch-node{
  padding:16px;border-radius:6px;text-align:center;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.arch-node strong{font-size:.85rem}

/* Technical implementation section */
.deploy-links{
  margin-top:16px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.deploy-links > .note:only-child{
  grid-column:1 / -1;
}
.technical-grid{
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  background:transparent;
  border:none;
  align-items:stretch;
}
.technical-grid > *{
  height:100%;
}
.technical-grid > .card:nth-child(2){
  display:flex;
  flex-direction:column;
}
.hifi-corner-note{
  margin-top:14px;
  flex:1;
  min-height:220px;
  padding:16px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  display:flex;
  justify-content:flex-start;
  align-items:flex-start;
  background:
    radial-gradient(circle at 16% 18%, rgba(99,102,241,.18), transparent 42%),
    radial-gradient(circle at 82% 84%, rgba(249,115,22,.2), transparent 50%),
    linear-gradient(165deg, rgba(255,255,255,.05), rgba(255,255,255,.015)),
    repeating-linear-gradient(135deg, rgba(255,255,255,.03) 0 1px, transparent 1px 11px),
    url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20320%20180'%20fill='none'%20stroke='%23ffffff'%20stroke-width='4'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M16%20148%20C62%20120%2086%20118%20118%20136%20C150%20154%20178%20150%20208%20124%20C236%20100%20260%2094%20304%20104'/%3E%3Ccircle%20cx='16'%20cy='148'%20r='6'%20fill='%23ffffff'%20stroke='none'/%3E%3Ccircle%20cx='304'%20cy='104'%20r='6'%20fill='%23ffffff'%20stroke='none'/%3E%3Cpath%20d='M94%20132%20L108%20118%20L126%20124'/%3E%3C/svg%3E") no-repeat left 16px bottom 16px / 58% auto,
    url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20220%20140'%20fill='none'%20stroke='%23ffffff'%20stroke-width='6'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Ccircle%20cx='70'%20cy='28'%20r='10'/%3E%3Cpath%20d='M70%2038%20L88%2056%20L106%2050'/%3E%3Cpath%20d='M88%2056%20L72%2078'/%3E%3Cpath%20d='M72%2078%20L54%20104'/%3E%3Cpath%20d='M88%2056%20L104%2078'/%3E%3Cpath%20d='M104%2078%20L132%20102'/%3E%3Cpath%20d='M92%2062%20L120%2066'/%3E%3Cpath%20d='M38%20116%20C72%20102%20118%20102%20182%20118'/%3E%3Cpath%20d='M28%20126%20C68%20112%20122%20112%20192%20128'/%3E%3C/svg%3E") no-repeat right 18px bottom 14px / min(30vw,220px) auto,
    url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20100%20100'%20fill='none'%20stroke='%23ffffff'%20stroke-width='3'%3E%3Ccircle%20cx='50'%20cy='50'%20r='38'/%3E%3Ccircle%20cx='50'%20cy='50'%20r='24'/%3E%3Ccircle%20cx='50'%20cy='50'%20r='8'%20fill='%23ffffff'%20stroke='none'/%3E%3C/svg%3E") no-repeat right 26px top 18px / 76px 76px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
}
.hifi-corner-copy{
  max-width:min(66%,460px);
  padding:12px 14px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:8px;
  background:rgba(8,10,14,.62);
  backdrop-filter:blur(3px);
}
.hifi-corner-copy p{
  margin:0;
  color:rgba(255,255,255,.82);
  font-size:.8rem;
  line-height:1.55;
}
.hifi-corner-copy p + p{
  margin-top:8px;
}

.arch-stack{
  margin-top:18px;
  display:grid;
  gap:14px;
}
.arch-layer{
  position:relative;
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:12px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.02);
  overflow:hidden;
  align-items:start;
}
.arch-layer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:4px;
  height:100%;
  background:linear-gradient(180deg,var(--accent),var(--accent-neon));
}
.arch-layer-head{
  padding:14px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.02);
  display:grid;
  gap:10px;
  align-content:start;
}
.arch-number{
  width:34px;
  height:34px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:.82rem;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-neon));
}
.arch-layer-text h4{
  margin:0 0 6px;
  font-size:1rem;
}
.arch-layer-text p{margin:0}
.arch-layer-content{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.arch-chip{
  border-radius:8px;
  padding:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  font-size:.82rem;
  color:rgba(255,255,255,.76);
  line-height:1.55;
}
.arch-chip strong{
  display:block;
  margin-bottom:4px;
  color:#fff;
  font-size:.8rem;
}
.arch-chip.wide{grid-column:1 / -1}
.arch-arrow{
  width:2px;
  height:24px;
  margin:0 auto;
  background:linear-gradient(180deg,var(--accent),var(--accent-neon));
  border-radius:999px;
  position:relative;
}
.arch-arrow::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-4px;
  width:8px;
  height:8px;
  border-right:2px solid var(--accent-neon);
  border-bottom:2px solid var(--accent-neon);
  transform:translateX(-50%) rotate(45deg);
}
.arch-flow{
  text-align:center;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.68rem;
  color:var(--accent-neon);
}
.arch-caption{
  padding:12px;
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(255,255,255,.02);
  font-size:.8rem;
  line-height:1.55;
  color:var(--muted);
}
.arch-caption strong{
  color:rgba(255,255,255,.85);
}

/* ===== BEFORE / AFTER ===== */
.before-after{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ba-panel{
  padding:32px;border-radius:6px;
  background:var(--surface);border:1px solid var(--line);
}
.wire{
  margin-top:18px;padding:18px;border-radius:8px;
  background:rgba(255,255,255,.03);display:grid;gap:10px;
}
.ba-shot{
  margin-top:16px;
  width:100%;
  border-radius:8px;
  border:1px solid var(--line);
  background:#0b0b0f;
  padding:6px;
  max-height:420px;
  object-fit:contain;
}
.bar{height:8px;border-radius:4px;background:rgba(255,255,255,.08)}
.bar:first-child{width:36%}
.bar:nth-child(2){width:80%}
.box{border-radius:6px;background:rgba(255,255,255,.05)}
.box.a{height:48px}
.box.b{height:36px}
.box.c{height:28px}

/* Evaluation chart */
.metrics-chart{
  margin-top:24px;
  padding:28px;
  border-radius:6px;
  background:var(--surface);
  border:1px solid var(--line);
}
.chart-wrap{overflow-x:auto;margin-top:16px}
.metrics-svg{width:100%;min-width:760px;height:auto;display:block}
.chart-legend{
  display:flex;
  gap:16px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:12px;
  color:var(--muted);
  font-size:.82rem;
}
.legend-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  display:inline-block;
  margin-right:6px;
}

/* Quote cards */
.quote{
  padding:28px;border-radius:6px;
  background:var(--surface);border:1px solid var(--line);
}

/* ===== TEAM ===== */
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.team-card{
  display:flex;gap:18px;align-items:flex-start;
  padding:28px;background:var(--bg);
  transition:background .25s;
}
.team-card:hover{background:rgba(255,255,255,.02)}
.team-avatar{width:52px;height:52px;border-radius:50%;overflow:hidden;flex-shrink:0;border:1px solid rgba(255,255,255,.12)}
.team-avatar img{width:100%;height:100%;object-fit:cover}
.team-info{flex:1;min-width:0}
.team-info h3{font-size:.95rem;margin-bottom:3px}
.team-role{font-size:.72rem;color:var(--muted);display:block;margin-bottom:10px;text-transform:uppercase;letter-spacing:.04em}
.team-info p{font-size:.84rem}

/* ===== REFS ===== */
.refs{display:grid;gap:8px;margin-top:16px}
.refs p{font-size:.88rem}

/* ===== FOOTER ===== */
footer{padding:60px 0;border-top:1px solid var(--line)}
.footer-card{
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:36px;border:1px solid var(--line);border-radius:6px;
  background:var(--surface);
}

/* ===== REVEAL ANIMATION ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .g1,.g2,.g3,.g4,.team-grid,.journey,.persona-grid,.before-after,.hero-stats{
    grid-template-columns:1fr;gap:20px;background:transparent;border:none;
  }
  .g1>*,.g2>*,.g3>*,.g4>*,.team-card,.journey-step{border:1px solid var(--line)}
  .persona-quad{grid-template-columns:1fr}
  .sketch-board{padding:24px}
  .sketch-board-head{flex-direction:column;gap:14px}
  .sketch-board-head h3{font-size:1.25rem}
  .sketch-count{width:fit-content}
  .lowfi-link-card{grid-template-columns:1fr;align-items:start}
  .prototype-link{min-width:0;width:100%}
  .prototype-url{max-width:100%}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .evidence-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .architecture{grid-template-columns:1fr 1fr}
  .paper-grid{grid-template-columns:1fr}
  .paper-columns{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
  .review-columns{grid-template-columns:1fr}
  .technical-grid{grid-template-columns:1fr}
  .alternatives-grid{grid-template-columns:1fr}
  .requirement-cards{padding:58px 14px 14px}
  .requirement-cards::after{display:none}
  .alternative-card{padding:28px}
  .alternatives-grid > .card > h3,
  .alternatives-grid > .card > p:first-of-type,
  .alternatives-grid > .card > p:nth-of-type(2){
    min-height:0;
  }
  .hifi-corner-note{display:none}
  .deploy-links{grid-template-columns:1fr}
  .arch-layer{grid-template-columns:1fr}
  .arch-layer-content{grid-template-columns:1fr}
  .nav-links{display:none}
  .hero-stats{flex-direction:column;gap:20px}
  .hero{padding:80px 0 40px;min-height:auto}
  .hifi-gallery{grid-template-columns:1fr}
  .hifi-shot img{height:min(68vw,460px)}
}