/* =========================================================
   India Lee — UX/UI Portfolio · v3
   Black / white / blue (#2556E2) · clay device mocks
   ========================================================= */

:root {
  /* palette */
  --bg:            #0b0b0d;
  --bg-2:          #101014;
  --surface:       #16161b;
  --surface-2:     #1e1e25;
  --line:          rgba(255,255,255,.09);
  --line-strong:   rgba(255,255,255,.17);

  --text:          #f4f4f3;
  --text-dim:      #b6b6c0;
  --text-mute:     #83838f;

  /* accent — blue */
  --accent:        #2556E2;
  --accent-hover:  #3f6cff;
  --accent-2:      #6f8dff;
  --accent-ink:    #ffffff;
  --accent-soft:   rgba(37,86,226,.16);
  --accent-line:   rgba(37,86,226,.42);
  --ink:           #101013;

  /* clay device */
  --clay:          #e7e8ec;
  --clay-2:        #c7cad3;

  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, sans-serif;

  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 72px);
  --radius: 18px;
  --radius-lg: 26px;
  --nav-h: 68px;
}

/* ---------- reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size: 17px; line-height: 1.6;
  font-weight: 400; letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #fff; }

/* ---------- layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 10vw, 140px); }
.section--tight { padding-block: clamp(48px, 7vw, 96px); }

.eyebrow {
  font-size: .74rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 18px;
}
.eyebrow--mute { color: var(--text-mute); }

h1, h2, h3, h4 {
  font-family: var(--font-display); font-weight: 600; line-height: 1.08;
  letter-spacing: -0.03em; margin: 0; color: var(--text);
}
.h-hero   { font-size: clamp(2.7rem, 7vw, 5.4rem);  font-weight: 500; letter-spacing: -0.045em; line-height: 1.02; }
/* Unified heading size — every section / content-area heading matches */
.h-1, .h-2, .h-3 { font-size: clamp(1.7rem, 3.1vw, 2.4rem); font-weight: 600; }
.lede     { font-size: clamp(1.05rem, 1.7vw, 1.3rem); color: var(--text-dim); font-weight: 400; }

p { margin: 0 0 1.1em; color: var(--text-dim); }
strong { color: var(--text); font-weight: 600; }
.muted { color: var(--text-mute); }
.accent { color: var(--accent); }

/* ---------- top nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(11,11,13,.72);
  backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner { width:100%; max-width: var(--maxw); margin-inline:auto; padding-inline: var(--gutter);
  display:flex; align-items:center; justify-content:space-between; gap: 18px; }
.brand { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; letter-spacing: -0.02em;
  display:inline-flex; align-items:center; gap:.5ch; }
.brand .dot { color: var(--accent); }
.nav__links { display:flex; align-items:center; gap: clamp(14px, 2.4vw, 34px); }
.nav__links a { font-size: .95rem; color: var(--text-dim); font-weight: 500; position: relative; transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__links a::after { content:""; position:absolute; left:0; right:100%; bottom:-6px; height:1.5px;
  background: var(--accent); transition: right .28s ease; }
.nav__links a:hover::after { right: 0; }
.nav__cta { padding: 8px 16px; border:1px solid var(--line-strong); border-radius: 999px; color: var(--text) !important; }
.nav__cta::after { display:none; }
.nav__cta:hover { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- buttons / pills ---------- */
.btn { display:inline-flex; align-items:center; gap:.6ch; padding: 13px 24px; border-radius: 999px;
  font-weight: 600; font-size: .98rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .2s, background .2s, border-color .2s; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { transform: translateY(-2px); background: var(--accent-hover); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

.pill { display:inline-flex; align-items:center; padding: 8px 16px; border-radius: 999px;
  font-size: .9rem; font-weight: 600; line-height:1; }
.pill--accent { background: var(--accent); color:#fff; }
.pill--soft   { background: var(--accent-soft); color: var(--accent-2); border:1px solid var(--accent-line); }
.pill--ghost  { border:1px solid var(--line-strong); color: var(--text-dim); }
.pill--yellow { background: rgba(255,255,255,.04); color: var(--text-dim); border:1px solid var(--line-strong); }
.tags { display:flex; flex-wrap:wrap; gap:10px; }

/* =========================================================
   HERO (index)
   ========================================================= */
.hero { padding-top: calc(var(--nav-h) + clamp(56px, 12vw, 150px)); padding-bottom: clamp(20px,5vw,50px); }
.hero__name { font-size: clamp(1rem,1.4vw,1.18rem); color: var(--accent); font-weight:600; margin:0 0 18px; letter-spacing:.02em; }
.hero__eyebrow-wave { display:inline-block; animation: wave 2.4s ease-in-out infinite; transform-origin: 70% 70%; }
@keyframes wave { 0%,60%,100%{transform:rotate(0)} 10%{transform:rotate(14deg)} 20%{transform:rotate(-8deg)} 30%{transform:rotate(14deg)} 40%{transform:rotate(-4deg)} 50%{transform:rotate(10deg)} }
.hero__title { margin-bottom: 30px; max-width: 20ch; }
.hero__title .accent { color: var(--accent); }
.hero p.lede { max-width: 54ch; }
.hero__actions { display:flex; flex-wrap:wrap; gap:14px; margin-top: 34px; }
.scroll-cue { margin-top: clamp(48px,8vw,90px); display:flex; align-items:center; gap:12px; color:var(--text-mute); font-size:.85rem; letter-spacing:.02em; }
.scroll-cue .bar { width:46px; height:1px; background: var(--line-strong); position:relative; overflow:hidden; }
.scroll-cue .bar::after{ content:""; position:absolute; inset:0; width:40%; background:var(--accent); animation: slide 2.2s ease-in-out infinite; }
@keyframes slide { 0%{transform:translateX(-120%)} 100%{transform:translateX(320%)} }

/* section header */
.sec-head { display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom: clamp(30px,4vw,52px); flex-wrap:wrap; }
.sec-head p { margin:0; max-width: 42ch; }

/* =========================================================
   WORK LIST — stacked case studies with dividers (alternating)
   ========================================================= */
.work-list { display:flex; flex-direction:column; }
.work-row {
  display:grid; grid-template-columns: 1.02fr .98fr; gap: clamp(30px, 5vw, 76px);
  align-items:center; padding-block: clamp(44px, 6vw, 86px);
  border-top: 1px solid var(--line); position:relative;
}
.work-row:first-child { border-top: none; padding-top: clamp(6px,1.5vw,16px); }
.work-row__body { order:2; }
.work-row__media { order:1; }
.work-row:nth-child(even) .work-row__body { order:1; }
.work-row:nth-child(even) .work-row__media { order:2; }

.work-row__media { position:relative; border-radius: var(--radius-lg); overflow:hidden; background: var(--surface); }
.work-row__media img { width:100%; height:100%; object-fit: cover; aspect-ratio: 4/3;
  transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.work-row:hover .work-row__media img { transform: scale(1.04); }
.work-row__media.is-device { overflow:visible; border-radius:0; background:none; }
.work-row__media.is-device img { object-fit: contain; aspect-ratio: 16/10;
  filter: drop-shadow(0 34px 46px rgba(0,0,0,.55)); transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.work-row__badge { position:absolute; top:16px; left:16px; z-index:2;
  background: rgba(11,11,13,.6); color:#fff; border:1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }

.work-row__meta { display:flex; align-items:center; gap:10px; font-size:.78rem; color:var(--text-mute);
  text-transform:uppercase; letter-spacing:.12em; font-weight:600; margin-bottom:16px; }
.work-row__meta .lnk { color: var(--accent); text-transform:none; letter-spacing:normal; font-size:.86rem; }
.work-row__title { font-size: clamp(1.6rem,2.6vw,2.2rem); margin-bottom:16px; }
.work-row__desc { color: var(--text-dim); margin:0 0 20px; max-width: 46ch; }
.work-row__tags { display:flex; flex-wrap:wrap; gap:8px; margin-bottom: 24px; }
.work-row__tags .pill { font-size:.82rem; padding:6px 13px; }
.work-row__foot { display:flex; align-items:center; gap:18px; }
.work-row__role { font-size:.86rem; color:var(--text-mute); }
.work-row__go { display:inline-flex; align-items:center; gap:.5ch; color:var(--accent); font-weight:600; font-size:.95rem; }
.work-row:hover .work-row__go .arrow { transform: translateX(4px); }
.work-row__go .arrow { transition: transform .25s; }
.work-row__link { position:absolute; inset:0; z-index:3; }

/* =========================================================
   TIMELINE
   ========================================================= */
.split { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 110px); }
.timeline { display:flex; flex-direction:column; }
.tl-item { display:grid; grid-template-columns: 56px 1fr auto; gap: 20px; align-items:center;
  padding: 22px 0; border-bottom: 1px solid var(--line); }
.tl-item:last-child { border-bottom: none; }
/* logos fill their container */
.tl-badge { width:52px; height:52px; border-radius: 14px; overflow:hidden; display:block; background:#fff; }
.tl-badge img { width:100%; height:100%; object-fit: cover; display:block; }
.tl-badge--rmit { background:#000054; }
.tl-badge--rmit img { object-fit: contain; padding:7px; }
.tl-role { font-weight:600; font-size:1.06rem; color:var(--text); }
.tl-org { color: var(--text-mute); font-size:.92rem; }
.tl-note { color: var(--text-mute); font-size:.82rem; margin-top:2px; display:block; }
.tl-date { color: var(--text-dim); font-weight:600; font-size:.92rem; white-space:nowrap; }

/* about list + outside-of-work */
.about-list { display:flex; flex-direction:column; gap: 22px; }
.about-item { display:grid; grid-template-columns: 34px 1fr; gap:14px; align-items:start; }
.about-item .emoji { font-size:1.3rem; line-height:1.4; }
.about-item p { margin:0; color: var(--text-dim); }

.outside__grid { display:grid; grid-template-columns: 0.82fr 1.18fr; gap: clamp(28px,5vw,64px); align-items:stretch; }
.outside__photo { border-radius: var(--radius-lg); overflow:hidden; box-shadow: 0 40px 80px -40px rgba(0,0,0,.85); }
.outside__photo img { width:100%; height:100%; object-fit: cover; }   /* crop to text height */
@media (max-width: 760px){ .outside__grid { grid-template-columns: 1fr; } .outside__photo { max-width: 420px; aspect-ratio:4/5; } }

/* experience prose */
.prose-2 { columns: 2; column-gap: clamp(40px,6vw,88px); }
.prose-2 p { break-inside: avoid; }
@media (max-width: 760px){ .prose-2 { columns: 1; } }

/* footer */
.footer { border-top:1px solid var(--line); padding-block: clamp(60px,9vw,120px); background: var(--bg-2); }
.footer__big { font-size: clamp(2rem,5vw,3.6rem); font-family:var(--font-display); font-weight:500; letter-spacing:-.03em; margin:0 0 30px; }
.footer__row { display:flex; flex-wrap:wrap; gap: 14px 40px; align-items:center; color: var(--text-dim); }
.footer__row a:hover { color: var(--accent); }
.footer__label { color: var(--text-mute); font-size:.82rem; text-transform:uppercase; letter-spacing:.14em; margin-right:8px; }
.footer__meta { margin-top: 44px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px; color:var(--text-mute); font-size:.85rem; }

/* =========================================================
   CASE STUDY PAGES
   ========================================================= */
.cs-hero { padding-top: calc(var(--nav-h) + clamp(40px, 7vw, 80px)); }
.cs-hero__grid { display:grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px,5vw,64px); align-items:center; }
.cs-hero__title { margin: 14px 0 26px; }
.cs-hero__media { border-radius: var(--radius-lg); overflow:hidden; box-shadow: 0 50px 90px -46px rgba(0,0,0,.9); }
.cs-hero__media img { width:100%; height:100%; object-fit: cover; }
.cs-hero__media--bare { box-shadow:none; overflow:visible; }
.cs-hero__media--bare img { object-fit: contain; filter: drop-shadow(0 34px 46px rgba(0,0,0,.55)); }

.cs-meta { display:grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px,2.4vw,32px);
  padding-block: clamp(40px,5vw,60px); border-top:1px solid var(--line); border-bottom:1px solid var(--line); margin-top: clamp(40px,6vw,72px); }
.cs-meta__label { font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:var(--text-mute); font-weight:700; margin-bottom:16px; }
.cs-meta__okr { color: var(--text-dim); font-size:.98rem; }
@media (max-width: 860px){ .cs-meta { grid-template-columns: repeat(2,1fr); row-gap: 34px; } }
@media (max-width: 460px){ .cs-meta { grid-template-columns: 1fr; } }
.cs-meta--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 780px){ .cs-meta--3 { grid-template-columns: 1fr; row-gap: 34px; } }

/* content blocks */
.block { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(36px,5vw,80px); align-items:center; }
.block--top { align-items: start; }
.block--text-wide { grid-template-columns: 1fr; max-width: 760px; }
.block--reverse .block__media { order: -1; }
.block__body h2 { margin-bottom: 20px; }
.block__body .kicker { margin-bottom: 14px; }
.block__lead { font-size: 1.12rem; color: var(--text); }
.block + .block { margin-top: clamp(64px, 9vw, 130px); }

.list-clean { list-style:none; margin: 0 0 1.1em; padding:0; display:flex; flex-direction:column; gap: 12px; }
.list-clean li { position:relative; padding-left: 26px; color: var(--text-dim); }
.list-clean li::before { content:""; position:absolute; left:2px; top:.62em; width:8px; height:8px; border-radius:50%; background: var(--accent); }
.list-ol { counter-reset: n; list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap: 26px; }
.list-ol > li { position:relative; padding-left: 46px; }
.list-ol > li::before { counter-increment:n; content: counter(n); position:absolute; left:0; top:-2px;
  width:30px; height:30px; border-radius:9px; background:var(--surface-2); border:1px solid var(--line-strong);
  display:grid; place-items:center; font-weight:700; font-size:.9rem; color:var(--text); font-family:var(--font-display); }
.list-ol h4 { font-size: 1.08rem; margin-bottom: 8px; }
.list-ol .sub { display:flex; flex-direction:column; gap:8px; margin-top:8px; }
.list-ol .sub p { margin:0; font-size:.98rem; }

/* =========================================================
   MEDIA — frameless / natural
   ========================================================= */
.media { border-radius: var(--radius); overflow:hidden; box-shadow: 0 30px 60px -36px rgba(0,0,0,.8); }
.media img { width:100%; display:block; }
.media--bare { border-radius:0; overflow:visible; box-shadow:none; }
.media--bare img { filter: drop-shadow(0 40px 60px rgba(0,0,0,.55)); }
.media-cap { margin-top: 14px; font-size:.86rem; color: var(--text-mute); line-height:1.5; }
.media-cap--center { text-align:center; max-width: 72ch; margin-inline:auto; }
.media-stack { display:flex; flex-direction:column; gap: 20px; }
.duo { display:grid; grid-template-columns:1fr 1fr; gap: clamp(20px,3vw,44px); align-items:center; }
@media (max-width: 720px){ .duo { grid-template-columns:1fr; gap:30px; } }

/* clay device mockup */
.phone {
  width: 100%; max-width: 288px; margin-inline:auto; position:relative;
  padding: 13px; border-radius: 46px;
  background: linear-gradient(150deg, var(--clay), var(--clay-2) 78%);
  box-shadow: 0 34px 60px -22px rgba(0,0,0,.6),
              inset 0 2px 5px rgba(255,255,255,.75),
              inset 0 -8px 16px rgba(0,0,0,.12);
}
.phone::after { content:""; position:absolute; right:-3px; top:118px; width:4px; height:58px;
  border-radius:4px; background: var(--clay-2); box-shadow: inset 0 1px 2px rgba(0,0,0,.2); }
.phone img, .phone video { width:100%; display:block; border-radius: 33px; background:#000; }
.phone--sm { max-width: 208px; }
.phone-row { display:flex; flex-wrap:wrap; gap: clamp(18px,3vw,40px); justify-content:center; align-items:flex-start; }
.phone-row--nowrap { flex-wrap:nowrap; }
.phone-item { display:flex; flex-direction:column; align-items:center; gap:14px; max-width: 300px; flex: 0 1 auto; }
.phone-item .cap { font-size:.82rem; color:var(--text-mute); text-align:center; line-height:1.45; }
.phone-item .cap strong { color: var(--text-dim); font-weight:600; }

/* inline video */
.media-video { border-radius: var(--radius); overflow:hidden; box-shadow: 0 34px 70px -34px rgba(0,0,0,.85); background:#000; }
.media-video video { width:100%; display:block; }

/* full-bleed (kept for optional use) */
.fullbleed { width:100vw; position:relative; left:50%; margin-left:-50vw; margin-right:-50vw; margin-block: clamp(40px,6vw,84px); }
.fullbleed img { width:100%; display:block; }
.fullbleed--pad { padding-block: clamp(30px,5vw,70px); }
.fullbleed--light { background:#f4f4f6; }
.fullbleed__cap { margin-top: 16px; text-align:center; font-size:.86rem; color:var(--text-mute); padding-inline: var(--gutter); }

/* =========================================================
   INFOGRAPHIC (Discover / Curate / Enquire)
   ========================================================= */
.infographic { display:grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px,1.6vw,22px); margin-top: 8px; }
.info-stage { background: var(--surface); border:1px solid var(--line); border-radius: var(--radius);
  padding: clamp(20px,2.2vw,28px); position:relative; }
.info-stage__n { display:inline-flex; align-items:center; justify-content:center; width:30px; height:30px;
  border-radius:9px; background: var(--accent); color:#fff; font-family:var(--font-display); font-weight:700;
  font-size:.9rem; margin-bottom:14px; }
.info-stage__title { font-family:var(--font-display); font-weight:700; font-size:1.15rem; color: var(--accent-2);
  letter-spacing:-.01em; margin-bottom:12px; }
.info-stage ul { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.info-stage li { position:relative; padding-left:18px; font-size:.92rem; color: var(--text-dim); }
.info-stage li::before { content:""; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%; background: var(--accent); }
.info-stage:not(:last-child)::after { content:"→"; position:absolute; right:-15px; top:50%; transform:translateY(-50%);
  color: var(--accent); font-weight:700; z-index:2; }
.info-final { margin-top: 18px; text-align:center; color: var(--text-mute); font-size:.95rem; }
.info-final strong { color: var(--accent-2); }
@media (max-width: 720px){
  .infographic { grid-template-columns: 1fr; gap: 34px; }
  .info-stage:not(:last-child)::after { content:"↓"; right:auto; left:50%; top:auto; bottom:-27px; transform:translateX(-50%); }
}

/* =========================================================
   CAROUSEL (workshops)
   ========================================================= */
.carousel-wrap { position:relative; }
.carousel { display:flex; gap:16px; overflow-x:auto; scroll-snap-type:x mandatory;
  scroll-behavior:smooth; padding-bottom:6px; -webkit-overflow-scrolling:touch; scrollbar-width:none; }
.carousel::-webkit-scrollbar { display:none; }
.carousel__item { flex:0 0 min(86%, 540px); scroll-snap-align:center; border-radius: var(--radius); overflow:hidden; background:var(--surface); }
.carousel__item img { width:100%; height:100%; object-fit:cover; aspect-ratio: 4/3; display:block; }
.carousel__btn { position:absolute; top:50%; transform:translateY(-50%); z-index:4; width:44px; height:44px;
  border-radius:50%; border:1px solid var(--line-strong); background: rgba(11,11,13,.72); color:#fff;
  backdrop-filter: blur(8px); -webkit-backdrop-filter:blur(8px); cursor:pointer; font-size:1.2rem;
  display:grid; place-items:center; transition: background .2s, border-color .2s; }
.carousel__btn:hover { background: var(--accent); border-color: var(--accent); }
.carousel__btn--prev { left:12px; } .carousel__btn--next { right:12px; }
.carousel__dots { display:flex; justify-content:center; gap:8px; margin-top:16px; }
.carousel__dot { width:8px; height:8px; border-radius:50%; background: var(--line-strong); border:none; padding:0; cursor:pointer; transition: background .2s, transform .2s; }
.carousel__dot.is-active { background: var(--accent); transform: scale(1.25); }

.callout { border-radius: var(--radius); padding: 22px 24px; margin: 4px 0 1.1em; background: var(--surface-2); border:1px solid var(--line); }
.callout--warn { border-color: var(--accent-line); background: var(--accent-soft); }
.callout--dark { background:#000; border-color: var(--line-strong); }
.callout--accent { background: var(--accent); border:none; }
.callout--accent p { color:#fff; margin:0; }
.callout--accent strong { color:#fff; }
.callout h4 { font-size: 1rem; margin-bottom: 8px; display:flex; align-items:center; gap:.5ch; }
.callout p { margin:0; color: var(--text-dim); font-size:.96rem; }
/* insight card grid (synthesis) */
.insight-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 620px){ .insight-grid { grid-template-columns: 1fr; } }

/* outcome band */
.outcome { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-block:1px solid var(--line); }
.stat { font-family:var(--font-display); font-weight:600; letter-spacing:-.03em; line-height:1;
  font-size: clamp(3rem, 8vw, 6rem);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color: transparent; margin-bottom: 10px; }
.stat-label { color: var(--text-dim); font-size:1.05rem; }

/* prev/next */
.cs-nav { display:grid; grid-template-columns:1fr 1fr; gap: 18px; }
.cs-nav a { border:1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: border-color .25s, background .25s, transform .25s; }
.cs-nav a:hover { border-color: var(--line-strong); background: var(--surface); transform: translateY(-3px); }
.cs-nav__dir { font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:var(--text-mute); margin-bottom:10px; }
.cs-nav__title { font-family:var(--font-display); font-weight:600; font-size:1.15rem; letter-spacing:-.02em; color:var(--text); }
.cs-nav a.next { text-align:right; }
.cs-nav a.disabled { opacity:.32; pointer-events:none; }

.backlink { display:inline-flex; align-items:center; gap:.5ch; color:var(--text-mute); font-weight:600; font-size:.9rem; margin-bottom: 26px; }
.backlink:hover { color: var(--accent); }

/* flow stepper */
.flow { display:flex; align-items:stretch; gap:12px; flex-wrap:wrap; margin: 6px 0 1.2em; }
.flow__step { flex:1 1 0; min-width:120px; background:var(--surface); border:1px solid var(--line-strong); border-radius:14px; padding:16px 18px; }
.flow__step.is-accent { border-color: var(--accent); background: var(--accent-soft); }
.flow__num { font-size:.74rem; letter-spacing:.12em; color:var(--text-mute); font-weight:700; }
.flow__lbl { font-family:var(--font-display); font-weight:600; font-size:1.05rem; margin-top:4px; }
.flow__arrow { align-self:center; color:var(--text-mute); font-size:1.2rem; }
@media (max-width:520px){ .flow { flex-direction:column; } .flow__arrow { transform: rotate(90deg); align-self:flex-start; margin-left:20px; } }

.dev-note { display:inline-flex; align-items:center; gap:.6ch; font-weight:600; font-size:.95rem; color:var(--text); }
.dev-note .dot { width:11px; height:11px; border-radius:50%; display:inline-block; }
.dev-note .dot.green { background:#57d38b; } .dev-note .dot.amber { background:#f3c14c; }

.kicker { font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:var(--accent); font-weight:700; }
.q-head { font-weight:700; color:var(--text); margin:1.2em 0 .3em; font-size:1.02rem; }

/* reveal animation */
.reveal { opacity:0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity:1; transform:none; }
.reveal[data-d="1"]{ transition-delay:.08s; } .reveal[data-d="2"]{ transition-delay:.16s; } .reveal[data-d="3"]{ transition-delay:.24s; }
@media (prefers-reduced-motion: reduce){
  .reveal { opacity:1 !important; transform:none !important; } html { scroll-behavior:auto; }
  .hero__eyebrow-wave, .scroll-cue .bar::after { animation:none; }
}

/* =========================================================
   responsive
   ========================================================= */
@media (max-width: 900px){
  .hero__grid, .cs-hero__grid { grid-template-columns: 1fr; }
  .cs-hero__media { order:-1; }
  .work-row { grid-template-columns: 1fr; gap: 26px; }
  .work-row__body, .work-row:nth-child(even) .work-row__body { order:2; }
  .work-row__media, .work-row:nth-child(even) .work-row__media { order:1; }
  .split { grid-template-columns: 1fr; }
  .block, .block--reverse .block__media { grid-template-columns: 1fr; }
  .block--reverse .block__media { order: 0; }
  .insight-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px){
  body { font-size: 16px; }
  .nav__links { gap: 14px; }
  .nav__links a:not(.nav__cta) { display:none; }
  .cs-nav { grid-template-columns:1fr; }
  .tl-item { grid-template-columns: 44px 1fr; }
  .tl-date { grid-column: 2; }
}

/* =========================================================
   PASSWORD GATE (light client-side gate)
   ========================================================= */
html:not(.is-unlocked) body { overflow: hidden; }
.gate {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center; padding: 24px;
  background:
    radial-gradient(1100px 620px at 50% -12%, rgba(37,86,226,.20), transparent 62%),
    var(--bg);
}
html.is-unlocked .gate { display: none; }
.gate__card {
  width: 100%; max-width: 430px; text-align: center;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: clamp(30px, 5vw, 46px);
  box-shadow: 0 60px 120px -50px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.04);
}
.gate__brand { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; letter-spacing: -0.02em; margin: 0 0 24px; }
.gate__brand .dot { color: var(--accent); }
.gate__eyebrow { font-size: .72rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
.gate__title { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; font-size: clamp(1.4rem, 3vw, 1.9rem); line-height: 1.1; margin: 0 0 12px; }
.gate__sub { color: var(--text-dim); font-size: .98rem; margin: 0 auto 26px; max-width: 34ch; }
.gate__form { display: flex; flex-direction: column; gap: 12px; }
.gate__input {
  width: 100%; padding: 15px 20px; border-radius: 999px; text-align: center;
  background: var(--bg-2); border: 1px solid var(--line-strong); color: var(--text);
  font-size: 1rem; font-family: var(--font-body); letter-spacing: .02em;
  transition: border-color .2s, background .2s;
}
.gate__input::placeholder { color: var(--text-mute); }
.gate__input:focus { outline: none; border-color: var(--accent); background: #000; }
.gate__btn {
  padding: 15px 22px; border-radius: 999px; border: none; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 1rem; font-family: var(--font-body);
  display: inline-flex; align-items: center; justify-content: center; gap: .5ch;
  transition: background .2s, transform .2s;
}
.gate__btn:hover { background: var(--accent-hover); transform: translateY(-2px); }
.gate__btn .arrow { transition: transform .2s; }
.gate__btn:hover .arrow { transform: translateX(3px); }
.gate__error { color: #ff6b6b; font-size: .9rem; margin: 16px 0 0; }
.gate.is-error .gate__card { animation: gate-shake .42s cubic-bezier(.36,.07,.19,.97); }
@keyframes gate-shake {
  10%,90% { transform: translateX(-2px); }
  20%,80% { transform: translateX(4px); }
  30%,50%,70% { transform: translateX(-8px); }
  40%,60% { transform: translateX(8px); }
}
@media (prefers-reduced-motion: reduce){ .gate.is-error .gate__card { animation: none; } }