/* ============================================================
   DKIA — site stylesheet
   Dark, minimal, fluid full-bleed. Direction: Studio.
   ============================================================ */

:root {
  --bg:        #121212;
  --bg-elev:   #181818;
  --bg-tile:   #1c1c1c;
  --ink:       #ededed;
  --ink-dim:   #b3b3b3;
  --muted:     #7c7c7c;
  --line:      rgba(255,255,255,0.12);
  --line-soft: rgba(255,255,255,0.06);
  --accent:    #65b5dc;

  --pad: clamp(20px, 5vw, 110px);
  --gap: clamp(14px, 1.8vw, 28px);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur:  0.55s;

  --display-weight: 300;
}

@media (prefers-reduced-motion: reduce) {
  :root { --dur: 0s; }
}

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; background: var(--bg); }

body {
  font-family: var(--font-display);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--accent); color: #000; }

::-webkit-scrollbar       { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2c2c2c; border-radius: 0; }
::-webkit-scrollbar-track { background: var(--bg); }

/* ============================================================
   Layout primitives
   ============================================================ */
.bleed { width: 100%; padding-inline: var(--pad); }

.shell { min-height: 100vh; display: flex; flex-direction: column; }
main   { flex: 1; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: clamp(16px,1.6vw,22px) var(--pad);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--line-soft);
}

.brand {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none; color: inherit;
}

/* 3×3 dot grid */
.logo-dots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  width: 30px; height: 30px;
  flex: none;
}
.logo-dots i {
  display: block; border-radius: 50%;
  width: 100%; aspect-ratio: 1;
  transition: transform 0.5s var(--ease);
}
.brand:hover .logo-dots i {
  animation: dot-ripple calc(0.9s) var(--ease) both;
}
@keyframes dot-ripple {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.7); }
  100% { transform: scale(1); }
}

.wordmark {
  font-weight: 300;
  font-size: 1.32rem;
  letter-spacing: 0.42em;
  padding-left: 0.42em;
  color: var(--ink);
}

.nav {
  display: flex; align-items: center;
  gap: clamp(18px, 2vw, 38px);
}
.nav a {
  position: relative;
  font-size: 0.9rem; font-weight: 400; letter-spacing: 0.02em;
  color: var(--ink-dim);
  padding: 6px 0;
  transition: color 0.3s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: var(--ink);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav a:hover            { color: var(--ink); }
.nav a:hover::after,
.nav a[data-active]::after { transform: scaleX(1); }
.nav a[data-active]     { color: var(--ink); }

.nav-toggle { display: none; }

/* ============================================================
   Section title — signature flanked rule
   ============================================================ */
.section-head {
  display: flex; align-items: center;
  gap: clamp(20px, 3vw, 52px);
  padding-block: clamp(40px,6vw,96px) clamp(22px,2.4vw,40px);
}
.section-head .rule   { flex: 1; height: 1px; background: var(--line); }
.section-head h2 {
  margin: 0;
  font-weight: var(--display-weight);
  font-size: clamp(1.5rem, 2.6vw, 2.4rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}
.section-head .idx {
  display: none; /* hidden in Studio, shown in Signal */
  font-family: var(--font-mono); font-size: 0.8rem;
  letter-spacing: 0.1em; color: var(--muted);
  align-items: baseline; gap: 10px;
}
.section-head .idx b {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); display: inline-block; align-self: center;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding: clamp(60px,11vw,180px) 0 clamp(40px,6vw,90px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1.4px);
  background-size: 26px 26px;
  mask-image: radial-gradient(120% 90% at 80% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(120% 90% at 80% 0%, #000 0%, transparent 70%);
}
.hero-inner { position: relative; }

.hero .eyebrow {
  margin-bottom: clamp(20px,3vw,40px);
  display: flex; align-items: center; gap: 12px;
}
.hero .live {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.4s var(--ease) infinite;
  flex: none;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); }
  70%  { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero h1 {
  margin: 0;
  font-weight: var(--display-weight);
  font-size: clamp(2.6rem, 7.4vw, 8rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
}
.hero h1 .accentword { color: var(--accent); }

.hero .lead {
  margin-top: clamp(22px,3vw,40px);
  max-width: 24ch;
  font-size: clamp(1.05rem, 1.7vw, 1.7rem);
  line-height: 1.34;
  color: var(--ink-dim);
  font-weight: 300;
}

.hero .meta-row {
  margin-top: clamp(34px,5vw,64px);
  display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center;
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
}

/* ============================================================
   Cards / grids
   ============================================================ */
.grid {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  padding-bottom: clamp(20px,3vw,40px);
}

.card {
  position: relative; cursor: pointer;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
}

.thumb {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: var(--bg-tile);
  border: 1px solid var(--line-soft);
}
.thumb .ph-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1.3px);
  background-size: 18px 18px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.thumb .ph-dot {
  position: absolute; top: 14px; left: 14px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--c, var(--accent));
  box-shadow: 0 0 18px -2px var(--c, var(--accent));
  z-index: 2;
  transition: transform var(--dur) var(--ease);
}
.thumb .ph-wash {
  position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(120% 120% at 14px 14px,
    color-mix(in srgb, var(--c, var(--accent)) 26%, transparent), transparent 60%);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.thumb .ph-label {
  position: absolute; left: 14px; bottom: 12px; z-index: 2;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em;
  color: var(--muted);
}
.thumb img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.card:hover .thumb .ph-wash  { opacity: 1; }
.card:hover .thumb .ph-dot   { transform: scale(1.5); }
.card:hover .thumb .ph-grid  { transform: scale(1.06); opacity: 0.7; }
.card:hover .thumb img       { filter: grayscale(0) contrast(1); transform: scale(1.04); }

.card-meta {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; padding: 16px 2px 4px;
}
.card-meta h3 { margin: 0; font-weight: 400; font-size: 1.12rem; letter-spacing: 0.01em; }
.card-meta .yr { font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted); flex: none; }

.card-blurb {
  margin: 4px 2px 0; color: var(--muted); font-size: 0.92rem;
  line-height: 1.4; font-weight: 300; max-width: 46ch;
}
.card-cat { margin-top: 12px; }
.card-cat span {
  display: inline-block; padding: 4px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim);
}

.card .arrow {
  position: absolute; top: 14px; right: 14px; z-index: 3;
  width: 30px; height: 30px; display: grid; place-items: center;
  color: var(--ink);
  opacity: 0; transform: translate(-6px, 6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover .arrow { opacity: 1; transform: translate(0,0); }

/* Rainbow card dots — colours from --c per card */
[data-rainbow="1"] .card { /* --c is set inline */ }

/* ---------- filter chips ---------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; padding-top: clamp(8px,1.5vw,20px); }
.chip {
  background: none; border: 1px solid var(--line); color: var(--ink-dim);
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 9px 16px;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}
.chip:hover         { border-color: var(--ink); color: var(--ink); }
.chip.chip-active   { background: var(--ink); color: #000; border-color: var(--ink); }

/* ============================================================
   Blog row
   ============================================================ */
.blog-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  padding-bottom: clamp(30px,4vw,60px);
}
.post {
  border-top: 1px solid var(--line); padding-top: 22px;
  cursor: pointer;
  transition: border-color 0.4s var(--ease);
}
.post:hover { border-color: var(--ink); }
.post h3 { margin: 0 0 12px; font-weight: 400; font-size: 1.22rem; line-height: 1.18; }
.post p  { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.5; font-weight: 300; }
.post .byline { margin-top: 16px; display: flex; gap: 14px; }

/* ============================================================
   Services marquee
   ============================================================ */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line-soft);
  padding-block: clamp(16px,1.6vw,26px);
  margin-top: clamp(40px,5vw,80px);
}
.marquee-track {
  display: flex; gap: 48px; width: max-content;
  animation: marquee-scroll 28s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-size: clamp(1.1rem,2vw,1.8rem); font-weight: 300;
  letter-spacing: 0.04em; color: var(--ink-dim);
  display: inline-flex; align-items: center; gap: 48px;
}
.marquee-track span::after {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
@keyframes marquee-scroll { to { transform: translateX(-50%); } }

/* ============================================================
   Detail / case study
   ============================================================ */
.detail-hero { padding: clamp(40px,6vw,90px) var(--pad) clamp(28px,3vw,48px); }

.back-link {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--muted); margin-bottom: clamp(28px,4vw,52px);
  transition: color 0.3s;
}
.back-link:hover { color: var(--ink); }

.detail-hero h1 {
  margin: 0; font-weight: var(--display-weight);
  font-size: clamp(2.4rem,6vw,6.5rem); line-height: 0.98;
}
.detail-sub {
  margin-top: 20px; font-size: clamp(1.05rem,1.7vw,1.5rem);
  color: var(--ink-dim); font-weight: 300; max-width: 40ch;
}

.detail-stage {
  position: relative; aspect-ratio: 16/8;
  background: var(--bg-tile);
  border-block: 1px solid var(--line); overflow: hidden;
}
.detail-stage .ph-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1.4px);
  background-size: 24px 24px;
}
.detail-stage .ph-dot {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--c, var(--accent));
  box-shadow: 0 0 40px 4px var(--c, var(--accent));
}
.detail-stage .ph-label {
  position: absolute; left: var(--pad); bottom: 20px;
}
.detail-stage img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}

.detail-body {
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) minmax(220px, 1fr);
  gap: clamp(30px,5vw,90px);
  padding-block: clamp(40px,6vw,90px);
}
.detail-body .prose p {
  font-size: clamp(1.05rem,1.5vw,1.4rem); line-height: 1.62;
  font-weight: 300; color: var(--ink-dim); margin: 0 0 1.4em; max-width: 62ch;
}
.detail-body .prose p:first-child { color: var(--ink); }
.detail-body .prose h2, .detail-body .prose h3 {
  margin: 1.6em 0 0.6em; font-weight: 400;
}
.detail-body .prose a { color: var(--accent); }
.detail-body .prose a:hover { text-decoration: underline; }

.facts { align-self: start; position: sticky; top: 100px; }
.facts dl { margin: 0; }
.facts .frow { display: grid; gap: 4px; padding: 18px 0; border-top: 1px solid var(--line); }
.facts dt {
  font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.facts dd { margin: 0; font-size: 0.98rem; color: var(--ink); }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }

.detail-nav { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.detail-nav a { padding: clamp(28px,4vw,56px) var(--pad); transition: background 0.4s var(--ease); }
.detail-nav a:hover { background: var(--bg-elev); }
.detail-nav a.next { text-align: right; border-left: 1px solid var(--line); }

/* ============================================================
   About
   ============================================================ */
.about-hero { padding: clamp(60px,9vw,150px) var(--pad) clamp(30px,4vw,60px); }
.about-hero h1 {
  margin: 0; font-weight: var(--display-weight);
  font-size: clamp(2.2rem,5vw,5.4rem); line-height: 1.04; max-width: 18ch;
}
.about-hero h1 em { font-style: normal; color: var(--accent); }

.about-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(24px,4vw,64px);
  padding-block: clamp(30px,4vw,60px) clamp(50px,7vw,110px);
  border-top: 1px solid var(--line-soft);
}
.about-cols .col h4 { margin: 0 0 18px; }
.about-cols .col p  { margin: 0 0 1em; color: var(--ink-dim); font-weight: 300; line-height: 1.6; font-size: 1.02rem; }

.svc-list { list-style: none; margin: 0; padding: 0; }
.svc-list li {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 0; border-top: 1px solid var(--line);
  font-size: clamp(1.1rem,1.8vw,1.5rem); font-weight: 300;
  transition: padding-left 0.35s var(--ease);
}
.svc-list li:hover { padding-left: 14px; }
.svc-list li .d { width: 10px; height: 10px; border-radius: 50%; flex: none; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px; background: var(--line);
  border-block: 1px solid var(--line);
}
.about-stats .stat { background: var(--bg); padding: clamp(28px,4vw,52px) var(--pad); }
.about-stats .stat .num { font-size: clamp(2.4rem,5vw,4.4rem); font-weight: 300; line-height: 1; }
.about-stats .stat .lbl { margin-top: 12px; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: clamp(50px,7vw,110px) var(--pad) clamp(30px,3vw,50px);
}
.footer-top {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 40px; align-items: flex-start;
}
.footer-cta {
  font-weight: 300; font-size: clamp(1.8rem,4.4vw,4.6rem);
  line-height: 1.02; letter-spacing: -0.01em; max-width: 16ch;
}
.footer-cta a {
  color: var(--accent); position: relative; white-space: nowrap;
}
.footer-cta a::after {
  content: ""; position: absolute; left: 0; bottom: 0.08em;
  height: 2px; width: 100%; background: var(--accent);
  transform: scaleX(0.001); transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.footer-cta a:hover::after { transform: scaleX(1); }

.footer-cols { display: flex; gap: clamp(40px,6vw,100px); flex-wrap: wrap; }
.footer-cols .fcol h5 { margin: 0 0 16px; }
.footer-cols .fcol a {
  display: block; color: var(--ink-dim); padding: 6px 0; transition: color 0.3s;
}
.footer-cols .fcol a:hover { color: var(--ink); }

.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 18px; margin-top: clamp(50px,7vw,100px);
  padding-top: 26px; border-top: 1px solid var(--line-soft);
}

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .live { animation: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .detail-body { grid-template-columns: 1fr; }
  .facts { position: static; }

  .nav {
    position: fixed; inset: 0 0 0 auto;
    width: min(80vw, 320px);
    flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 8px; background: var(--bg-elev);
    padding: 40px; transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    border-left: 1px solid var(--line);
    z-index: 39;
  }
  .nav.nav-open { transform: none; }
  .nav a { font-size: 1.4rem; }

  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px;
    background: none; border: 0; padding: 8px; z-index: 50;
  }
  .nav-toggle i {
    width: 24px; height: 1.5px; background: var(--ink);
    display: block; transition: transform 0.3s, opacity 0.3s;
  }
  .nav-toggle.nav-open i:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.nav-open i:nth-child(2) { opacity: 0; }
  .nav-toggle.nav-open i:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
  .detail-nav { grid-template-columns: 1fr; }
  .detail-nav a.next { border-left: 0; border-top: 1px solid var(--line); }
}