/* =========================================================
   DevZync — IT Consulting redesign
   Palette: layered navy-charcoal dark theme, signal blue + amber accents
   Type: Space Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (labels)
   ========================================================= */

:root{
  --bg:         #0a0e16;
  --bg-alt:     #0d1220;
  --panel:      #121826;
  --panel-2:    #182036;
  --border:     rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --text:       #eef1f6;
  --text-soft:  #9aa5b8;
  --text-faint: #768196;

  --accent:      #3b82f6;
  --accent-soft: #60a5fa;
  --accent-deep: #1d4ed8;
  --amber:       #ff8a3d;

  --nav-bg:        rgba(10,14,22,0.82);
  --overlay-hover: rgba(255,255,255,0.04);

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --maxw: 1160px;

  color-scheme: dark;
}

/* Default theme is dark (above). Light theme opts in via [data-theme="light"],
   set on <html> by the inline head script / theme toggle in js/script.js. */
:root[data-theme="light"]{
  color-scheme: light;
  --bg:         #f6f8fb;
  --bg-alt:     #eef1f7;
  --panel:      #ffffff;
  --panel-2:    #eef2fa;
  --border:     rgba(15,23,42,0.10);
  --border-strong: rgba(15,23,42,0.18);
  --text:       #10151f;
  --text-soft:  #4a5568;
  --text-faint: #677289;

  --accent-soft: #2563eb;

  --nav-bg:        rgba(246,248,251,0.82);
  --overlay-hover: rgba(15,23,42,0.04);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background-color 0.25s ease, color 0.25s ease;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--text);
  margin:0 0 0.5em 0;
  font-weight:600;
  line-height:1.1;
  letter-spacing:-0.015em;
}

h1{ font-size:clamp(2.6rem, 5.2vw, 4.2rem); }
h2{ font-size:clamp(1.8rem, 3.4vw, 2.6rem); }
h3{ font-size:1.2rem; }

p{ margin:0 0 1em 0; color:var(--text-soft); max-width:62ch; }

a{ color:var(--accent-soft); text-decoration:none; }
a:hover{ text-decoration:underline; }

.mono{ font-family:var(--font-mono); }
img{ max-width:100%; display:block; }

:focus-visible{
  outline:2px solid var(--accent-soft);
  outline-offset:3px;
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

.section{ padding:96px 0; position:relative; }
.section--tight{ padding:60px 0; }
.section--alt{ background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.82rem;
  color:var(--accent-soft);
  margin-bottom:14px;
  display:inline-block;
}

.lede{ font-size:1.15rem; max-width:58ch; color:var(--text-soft); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:0.95rem;
  padding:14px 26px; border-radius:8px;
  border:1px solid transparent; cursor:pointer; text-decoration:none;
  transition:background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease, filter 0.15s ease;
}
.btn:hover{ text-decoration:none; }

.btn--primary{ background:var(--accent-deep); color:#fff; }
.btn--primary:hover{ filter:brightness(0.88); }

.btn--ghost{ background:transparent; color:var(--text); border-color:var(--border-strong); }
.btn--ghost:hover{ border-color:var(--text-soft); background:var(--overlay-hover); }

.btn-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top:8px; }

/* ---------- Nav ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:var(--nav-bg);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:background-color 0.25s ease, border-color 0.25s ease;
}
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-weight:600; font-size:1.15rem;
  color:var(--text); text-decoration:none;
}
.brand:hover{ text-decoration:none; }
.brand-mark{ width:auto; height:48px; flex:none; }
.brand-text{ width:auto; height:36px; flex:none; }

.nav-links{ display:flex; align-items:center; gap:34px; list-style:none; margin:0; padding:0; }
.nav-links a{ color:var(--text-soft); font-size:0.95rem; font-weight:500; }
.nav-links a:hover{ color:var(--text); text-decoration:none; }
.nav-links a[aria-current="page"], .nav-links a[aria-current="true"]{ color:var(--accent-soft); }

.nav-cta{ display:flex; align-items:center; gap:14px; }

/* ---------- Theme toggle ---------- */
.theme-toggle{
  display:flex; align-items:center; justify-content:center;
  width:36px; height:36px; flex:none;
  background:transparent; border:1px solid var(--border-strong); border-radius:8px;
  color:var(--text-soft); cursor:pointer;
  transition:color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.theme-toggle:hover{ color:var(--text); border-color:var(--text-soft); background:var(--overlay-hover); }
.theme-toggle svg{ display:block; }
.theme-toggle .icon-moon{ display:none; }
:root[data-theme="light"] .theme-toggle .icon-sun{ display:none; }
:root[data-theme="light"] .theme-toggle .icon-moon{ display:block; }

.nav-toggle{ display:none; background:none; border:none; cursor:pointer; width:32px; height:32px; padding:0; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--text); margin:5px auto; transition:transform 0.2s ease, opacity 0.2s ease; }

@media (max-width: 820px){
  .nav-links{
    position:absolute; top:76px; left:0; right:0;
    background:var(--bg);
    flex-direction:column; align-items:flex-start;
    padding:20px 28px 28px; gap:18px;
    border-bottom:1px solid var(--border);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-cta .btn--ghost{ display:none; }
  .nav-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  padding:80px 0 60px;
  overflow:hidden;
  position:relative;
}
.hero::before{
  content:"";
  position:absolute; inset:-20% -10% auto -10%; height:640px;
  background:
    radial-gradient(480px 320px at 15% 20%, rgba(59,130,246,0.16), transparent 70%),
    radial-gradient(420px 300px at 85% 0%, rgba(255,138,61,0.09), transparent 70%);
  pointer-events:none;
}
.hero .wrap{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:48px; align-items:center;
  position:relative; z-index:1;
}
@media (max-width: 940px){ .hero .wrap{ grid-template-columns:1fr; } }

.hero-copy p.lede{ margin-bottom:30px; }

.stat-inline{
  display:flex; gap:32px; margin-top:40px; flex-wrap:wrap;
}
.stat-inline div{ min-width:100px; }
.stat-inline .num{
  font-family:var(--font-display); font-size:1.7rem; font-weight:700; color:var(--text);
  display:block;
}
.stat-inline .label{ font-size:0.85rem; color:var(--text-faint); }

/* ---------- Orbit graphic (hero) ---------- */
.orbit-wrap{
  display:flex; align-items:center; justify-content:center;
  width:100%; aspect-ratio:1/1; max-width:460px; margin:0 auto;
}
.orbit-ring{
  transform-origin:200px 200px;
  animation:spin 46s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.orbit-pulse{ animation:pulse 2.6s ease-in-out infinite; }
.orbit-pulse.delay1{ animation-delay:0.7s; }
.orbit-pulse.delay2{ animation-delay:1.4s; }
@keyframes pulse{
  0%, 100%{ opacity:0.35; }
  50%{ opacity:1; }
}
/* six service nodes ride the ring; icons counter-rotate so they stay upright */
.orbit-counter{ transform-origin:0 0; animation:spin-rev 46s linear infinite; }
@keyframes spin-rev{ to{ transform:rotate(-360deg); } }
/* data packets travel from each node into the hub */
.orbit-packet{ animation:packet 3.6s ease-in infinite; opacity:0; }
@keyframes packet{
  0%{ transform:translate(0, 0); opacity:0; }
  12%{ opacity:1; }
  85%{ opacity:1; }
  100%{ transform:translate(var(--dx), var(--dy)); opacity:0; }
}
/* the hub emits a "sync" ripple, with a slowly turning inner ring */
.orbit-ripple{ transform-origin:200px 200px; opacity:0; animation:ripple 4.5s ease-out infinite; }
@keyframes ripple{
  0%{ transform:scale(1); opacity:0.55; }
  100%{ transform:scale(2.9); opacity:0; }
}
.orbit-hub-spin{ transform-origin:200px 200px; animation:spin-rev 18s linear infinite; }
.orbit-core{ transform-origin:200px 200px; animation:core 2.6s ease-in-out infinite; }
@keyframes core{ 0%, 100%{ transform:scale(1); } 50%{ transform:scale(1.35); } }
.orbit-track{ stroke:var(--border-strong); }
.orbit-track-inner{ stroke:var(--border); }
.orbit-node{ fill:var(--bg); }
.orbit-hub{ fill:var(--panel); }

/* ---------- Logo strip / industries ---------- */
.pill-row{ display:flex; flex-wrap:wrap; gap:12px; }
.pill-row span{
  font-family:var(--font-mono); font-size:0.85rem; color:var(--text-soft);
  border:1px solid var(--border-strong); padding:8px 16px; border-radius:100px;
}

/* ---------- Bento services grid ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  grid-auto-rows:minmax(190px, auto);
  gap:20px;
}
.bento-card{
  grid-column:span 2;
  border:1px solid var(--border);
  background:var(--panel);
  border-radius:14px;
  padding:30px;
  position:relative;
  overflow:hidden;
}
.bento-card.featured{
  grid-column:span 2; grid-row:span 2;
  background:linear-gradient(155deg, var(--panel-2), var(--panel) 65%);
  border-color:var(--border-strong);
}
.bento-card .icon{ margin-bottom:20px; }
.bento-card h3{ margin-bottom:10px; }
.bento-card p{ font-size:0.95rem; margin-bottom:0; }
.bento-card.featured p{ max-width:42ch; }

@media (max-width: 900px){
  .bento{ grid-template-columns:repeat(2, 1fr); }
  .bento-card{ grid-column:span 2 !important; grid-row:auto !important; }
}

.icon-line{ stroke:var(--accent); stroke-width:1.6; fill:none; stroke-linecap:round; stroke-linejoin:round; }
.icon-line.amber{ stroke:var(--amber); }

/* ---------- Connected process timeline ---------- */
.timeline{ position:relative; }
.timeline-track{
  position:absolute; top:23px; left:0; right:0; height:1px;
  background:var(--border-strong);
}
.timeline-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:24px;
  position:relative;
}
.timeline-step{ position:relative; padding-top:52px; }
.timeline-step .dot{
  position:absolute; top:12px; left:0;
  width:24px; height:24px; border-radius:50%;
  background:var(--bg); border:2px solid var(--accent);
  display:flex; align-items:center; justify-content:center;
}
.timeline-step .dot::after{
  content:""; width:8px; height:8px; border-radius:50%; background:var(--accent);
}
.timeline-step h3{ font-size:1.05rem; margin-bottom:8px; }
.timeline-step p{ font-size:0.92rem; margin:0; }
@media (max-width: 820px){
  .timeline-grid{ grid-template-columns:1fr; gap:36px; }
  .timeline-track{ display:none; }
}

/* ---------- Stats bento ---------- */
.stat-bento{
  display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:20px;
}
.stat-block{
  border:1px solid var(--border); background:var(--panel);
  border-radius:14px; padding:28px;
}
.stat-block.lead{ background:linear-gradient(155deg, rgba(59,130,246,0.14), var(--panel) 70%); border-color:var(--border-strong); }
.stat-block .num{ font-family:var(--font-display); font-size:2.6rem; font-weight:700; color:var(--text); display:block; line-height:1; margin-bottom:10px; }
.stat-block.lead .num{ color:var(--accent-soft); }
.stat-block p{ margin:0; font-size:0.9rem; }
@media (max-width: 820px){ .stat-bento{ grid-template-columns:1fr 1fr; } }
@media (max-width: 560px){ .stat-bento{ grid-template-columns:1fr; } }

/* ---------- Generic grids / cards ---------- */
.grid{ display:grid; gap:24px; }
.grid--2{ grid-template-columns:repeat(2, 1fr); }
.grid--3{ grid-template-columns:repeat(3, 1fr); }
@media (max-width: 900px){ .grid--3{ grid-template-columns:repeat(2, 1fr); } }
@media (max-width: 620px){ .grid--2, .grid--3{ grid-template-columns:1fr; } }

.card{ border:1px solid var(--border); background:var(--panel); padding:28px; border-radius:14px; }
.card h3{ margin-bottom:10px; }
.card p{ margin-bottom:0; font-size:0.96rem; }

.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; margin-bottom:44px; flex-wrap:wrap;
}
.section-head h2{ margin-bottom:0; }

/* ---------- Work / case study cards ---------- */
.work-card{
  border:1px solid var(--border); border-radius:14px; overflow:hidden;
  background:var(--panel); display:flex; flex-direction:column;
}
.work-thumb{
  height:150px;
  background:
    radial-gradient(240px 140px at 20% 20%, rgba(59,130,246,0.22), transparent 70%),
    radial-gradient(200px 120px at 90% 90%, rgba(255,138,61,0.14), transparent 70%),
    var(--panel-2);
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; padding:8px 16px; position:relative;
}
.work-thumb .dg{ height:100%; width:100%; }
.work-status{
  position:absolute; top:12px; right:12px; display:inline-flex; align-items:center; gap:7px;
  font-family:var(--font-mono); font-size:0.72rem; color:var(--text-soft);
  background:var(--panel); border:1px solid var(--border-strong); border-radius:100px; padding:3px 11px;
}
.work-status::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--amber); }
.section-head p{ margin:8px 0 0; }
.work-card .body{ padding:22px 24px 26px; }
a.work-card{ color:inherit; text-decoration:none; transition:border-color 0.15s ease, transform 0.15s ease; }
a.work-card:hover{ text-decoration:none; border-color:var(--accent-soft); transform:translateY(-2px); }
.work-more{ display:inline-block; margin-top:16px; font-weight:600; font-size:0.92rem; color:var(--accent-soft); }
.work-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:14px; }
.work-tags span{
  font-family:var(--font-mono); font-size:0.75rem; color:var(--text-faint);
  border:1px solid var(--border-strong); padding:3px 9px; border-radius:100px;
}

/* ---------- Values / list rows ---------- */
.rows{ border-top:1px solid var(--border); }
.row{ display:grid; grid-template-columns:220px 1fr; gap:24px; padding:26px 0; border-bottom:1px solid var(--border); }
.row h3{ margin:0; font-size:1.05rem; }
.row p{ margin:0; }
@media (max-width: 700px){ .row{ grid-template-columns:1fr; gap:8px; } }

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:80px 0;
  text-align:center;
  background:var(--bg-alt);
  border-top:1px solid var(--border);
}
.cta-band::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(520px 280px at 20% 30%, rgba(59,130,246,0.16), transparent 70%),
    radial-gradient(460px 260px at 82% 70%, rgba(255,138,61,0.10), transparent 70%);
  pointer-events:none;
}
.cta-band .wrap{ position:relative; z-index:1; }
.cta-band p{ color:var(--text-soft); margin:0 auto 28px; }
.cta-band .btn-row{ justify-content:center; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; }
@media (max-width: 820px){ .contact-grid{ grid-template-columns:1fr; } }

.field{ margin-bottom:20px; }
.field label{ display:block; font-family:var(--font-mono); font-size:0.8rem; color:var(--text-soft); margin-bottom:7px; }
.field input, .field textarea{
  width:100%; padding:13px 14px; border:1px solid var(--border-strong); border-radius:8px;
  background:var(--panel); font-family:var(--font-body); font-size:0.95rem; color:var(--text);
}
.field input::placeholder, .field textarea::placeholder{ color:var(--text-faint); }
.field input:focus, .field textarea:focus{ outline:2px solid var(--accent-soft); outline-offset:1px; border-color:var(--accent); }
.field textarea{ resize:vertical; min-height:130px; }

.contact-info .row{ padding:20px 0; grid-template-columns:120px 1fr; }
.form-note{ font-size:0.85rem; color:var(--text-faint); margin-top:6px; }
.form-status{ font-family:var(--font-mono); font-size:0.85rem; margin-top:10px; min-height:1.2em; color:var(--accent-soft); }

/* ---------- Footer ---------- */
.footer{ border-top:1px solid var(--border); padding:56px 0 34px; }
.footer .wrap{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; }
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; }
.footer-col h4{ font-family:var(--font-mono); font-size:0.8rem; color:var(--text-faint); font-weight:500; margin-bottom:14px; }
.footer-col a{ display:block; color:var(--text-soft); font-size:0.92rem; margin-bottom:10px; }
.footer-col a:hover{ color:var(--text); }
.footer-logo{ width:auto; height:38px; margin-bottom:14px; }
.footer-logo-text{ width:auto; height:36px; margin-bottom:14px; }
/* Logos are transparent PNGs; the light theme swaps in dark-ink variants */
:root[data-theme="light"] .brand-mark,
:root[data-theme="light"] .footer-logo{ content:url(../images/logo-icon-light.png); }
:root[data-theme="light"] .brand-text,
:root[data-theme="light"] .footer-logo-text{ content:url(../images/logo-text-light.png); }
.footer-bottom{
  margin-top:40px; padding-top:24px; border-top:1px solid var(--border);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:0.82rem; color:var(--text-faint);
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero{ padding:68px 0 56px; border-bottom:1px solid var(--border); position:relative; overflow:hidden; }
.page-hero::before{
  content:"";
  position:absolute; inset:-60% -10% auto -10%; height:420px;
  background:radial-gradient(460px 280px at 15% 30%, rgba(59,130,246,0.14), transparent 70%);
  pointer-events:none;
}
.page-hero .wrap{ position:relative; z-index:1; }
.page-hero p.lede{ margin-bottom:0; }


/* ---------- Case study article (system design teardowns) ---------- */
.back-link{ display:inline-block; font-family:var(--font-mono); font-size:0.82rem; margin-bottom:22px; color:var(--text-soft); }
.back-link:hover{ color:var(--text); text-decoration:none; }
.case-meta{ display:flex; gap:8px; flex-wrap:wrap; margin-top:26px; }
.case-meta span{
  font-family:var(--font-mono); font-size:0.78rem; color:var(--text-soft);
  border:1px solid var(--border-strong); padding:4px 11px; border-radius:100px;
}

.case-layout{ display:grid; grid-template-columns:230px minmax(0, 1fr); gap:56px; align-items:start; }
@media (max-width: 960px){ .case-layout{ grid-template-columns:minmax(0, 1fr); gap:28px; } }

.case-toc{ position:sticky; top:100px; font-size:0.88rem; }
@media (max-width: 960px){ .case-toc{ position:static; } }
.case-toc .toc-title{ font-family:var(--font-mono); font-size:0.78rem; font-weight:500; color:var(--text-faint); margin-bottom:12px; }
.case-toc ol{ list-style:none; margin:0; padding:0; border-left:1px solid var(--border); }
.case-toc li a{ display:block; padding:6px 0 6px 14px; margin-left:-1px; border-left:1px solid transparent; color:var(--text-soft); }
.case-toc li a:hover{ color:var(--text); border-left-color:var(--accent-soft); text-decoration:none; }
@media (max-width: 960px){
  .case-toc ol{ columns:2; column-gap:24px; border-left:0; }
  .case-toc li a{ padding-left:0; border-left:0; }
}
@media (max-width: 520px){ .case-toc ol{ columns:1; } }

.case-article section{ scroll-margin-top:100px; }
.case-article h2{ font-size:clamp(1.5rem, 2.6vw, 2rem); margin:64px 0 18px; }
.case-article section:first-child h2{ margin-top:0; }
.case-article h3{ margin:32px 0 10px; }
.case-article p, .case-article li{ color:var(--text-soft); max-width:72ch; }
.case-article ul, .case-article ol.steps{ margin:0 0 1.2em; padding-left:1.3em; }
.case-article li{ margin-bottom:8px; }
.case-article li strong, .case-article p strong, .case-article td strong{ color:var(--text); font-weight:600; }
.case-article code{
  font-family:var(--font-mono); font-size:0.86em; color:var(--text);
  background:var(--panel-2); border:1px solid var(--border); padding:1px 6px; border-radius:5px;
}

.diagram{
  margin:28px 0 32px; border:1px solid var(--border); background:var(--panel);
  border-radius:14px; padding:18px 18px 14px;
}
.diagram-scroll{ overflow-x:auto; }
.diagram-scroll svg{ min-width:760px; }
.diagram figcaption{ margin-top:12px; font-size:0.86rem; color:var(--text-faint); max-width:none; }
.diagram figcaption strong{ color:var(--text-soft); font-weight:600; }

.dg{ width:100%; height:auto; display:block; }
.dg text{ font-family:var(--font-body); fill:var(--text); font-size:14px; }
.dg .t-title{ font-weight:600; font-size:14px; }
.dg .t-sub{ fill:var(--text-soft); font-size:12px; }
.dg .t-lab{ fill:var(--text-faint); font-family:var(--font-mono); font-size:11.5px; }
.dg .t-arrow{ fill:var(--text-soft); font-size:12px; paint-order:stroke; stroke:var(--panel); stroke-width:4px; stroke-linejoin:round; }
.dg-box{ fill:var(--panel-2); stroke:var(--border-strong); stroke-width:1.2; }
.dg-box.dg-accent{ fill:rgba(59,130,246,0.14); stroke:var(--accent); }
.dg-box.dg-data{ fill:var(--panel); stroke:var(--accent-soft); stroke-width:1.6; }
.dg-box.dg-amber{ fill:rgba(255,138,61,0.12); stroke:var(--amber); }
.dg-box.dg-ext{ fill:none; stroke:var(--text-faint); stroke-dasharray:5 4; }
.dg-group{ fill:none; stroke:var(--border-strong); stroke-dasharray:5 4; }
.dg-frame{ fill:none; stroke:var(--border); }
.dg-line{ stroke:var(--text-faint); stroke-width:1.5; fill:none; }
.dg-line.dash{ stroke-dasharray:5 4; }
.dg-life{ stroke:var(--border-strong); stroke-dasharray:3 4; }
.dg-arrowhead{ fill:var(--text-faint); }

.table-wrap{ overflow-x:auto; margin:20px 0 28px; border:1px solid var(--border); border-radius:12px; background:var(--panel); }
.table-wrap table{ width:100%; border-collapse:collapse; font-size:0.92rem; min-width:560px; }
.table-wrap th{
  text-align:left; font-family:var(--font-mono); font-size:0.76rem; font-weight:500; color:var(--text-soft);
  padding:12px 16px; border-bottom:1px solid var(--border-strong); background:var(--panel-2); white-space:nowrap;
}
.table-wrap td{ padding:12px 16px; border-bottom:1px solid var(--border); color:var(--text-soft); vertical-align:top; }
.table-wrap tr:last-child td{ border-bottom:0; }
.table-wrap td:first-child{ color:var(--text); font-weight:500; }

.callout{
  margin:26px 0; padding:18px 22px; border:1px solid var(--border); border-left:3px solid var(--accent);
  background:var(--panel); border-radius:10px;
}
.callout-title{ font-family:var(--font-mono); font-size:0.78rem; font-weight:500; color:var(--accent-soft); margin-bottom:8px; }
.callout p:last-child, .callout ul:last-child{ margin-bottom:0; }
.callout--amber{ border-left-color:var(--amber); }
.callout--amber .callout-title{ color:var(--text-soft); }

.case-next{ margin-top:72px; padding-top:28px; border-top:1px solid var(--border); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.case-article .card h3{ margin-top:0; }
.case-article .card ul{ margin-bottom:0; }

/* Diagram lightbox (enlarge control + modal, built in js/script.js) */
.diagram-tools{ display:flex; justify-content:flex-end; margin:-4px 0 10px; }
.diagram-zoom{
  display:inline-flex; align-items:center; gap:7px; cursor:pointer;
  font-family:var(--font-mono); font-size:0.76rem; color:var(--text-soft);
  background:transparent; border:1px solid var(--border-strong); border-radius:100px; padding:5px 13px;
  transition:color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.diagram-zoom:hover{ color:var(--text); background:var(--overlay-hover); border-color:var(--text-soft); }
.diagram .dg{ cursor:zoom-in; }

html.dd-lock{ overflow:hidden; }
.diagram-dialog{
  padding:0; margin:auto; max-width:none; max-height:none;
  width:min(96vw, 1700px); height:min(94vh, 1100px);
  color:var(--text); background:var(--panel);
  border:1px solid var(--border-strong); border-radius:14px; overflow:hidden;
}
.diagram-dialog[open]{ display:flex; flex-direction:column; }
.diagram-dialog::backdrop{ background:rgba(5,8,14,0.78); }
.dd-bar{ display:flex; justify-content:space-between; align-items:center; gap:12px; padding:12px 16px; border-bottom:1px solid var(--border); }
.dd-title{ font-family:var(--font-mono); font-size:0.8rem; color:var(--text-soft); }
.dd-tools{ display:flex; gap:8px; }
.dd-btn{
  min-width:38px; height:36px; padding:0 12px; cursor:pointer;
  font-family:var(--font-body); font-weight:600; font-size:0.95rem; color:var(--text);
  background:var(--panel-2); border:1px solid var(--border-strong); border-radius:8px;
}
.dd-btn:hover{ border-color:var(--text-soft); }
.dd-stage{ flex:1; min-height:0; overflow:auto; display:flex; padding:16px; background:var(--panel); }
.dd-stage svg{ margin:auto; flex:none; height:auto; cursor:default; }
.dd-caption{ margin:0; padding:12px 16px; border-top:1px solid var(--border); font-size:0.86rem; color:var(--text-faint); max-width:none; }
.dd-caption strong{ color:var(--text-soft); font-weight:600; }
@media (max-width: 640px){
  .diagram-dialog{ width:100vw; height:100vh; height:100dvh; border-radius:0; border:0; }
}
.diagram-dialog{ color-scheme:dark; }
:root[data-theme="light"] .diagram-dialog{ color-scheme:light; }

/* ---------- Home page motion ---------- */
/* Hero copy rises in on load (CSS-only; the global reduced-motion rule flattens it) */
.hero-copy > *{ animation:rise 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.hero-copy > *:nth-child(2){ animation-delay:0.08s; }
.hero-copy > *:nth-child(3){ animation-delay:0.16s; }
.hero-copy > *:nth-child(4){ animation-delay:0.24s; }
.hero-copy > *:nth-child(5){ animation-delay:0.32s; }
.orbit-wrap{ animation:orbit-in 1.4s cubic-bezier(0.2, 0.7, 0.2, 1) 0.15s both; }
@keyframes rise{ from{ opacity:0; transform:translateY(20px); } to{ opacity:1; transform:none; } }
@keyframes orbit-in{ from{ opacity:0; transform:scale(0.92); } to{ opacity:1; transform:none; } }

/* Scroll reveal: js/script.js adds .reveal-ready to <html> and .is-visible as elements
   enter view. Without JS (or with reduced motion) nothing is ever hidden. */
.reveal-ready [data-reveal]{
  opacity:0; transform:translateY(22px);
  transition:opacity 0.7s ease var(--reveal-delay, 0ms), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) var(--reveal-delay, 0ms),
             translate 0.2s ease, border-color 0.2s ease;
}
.reveal-ready [data-reveal].is-visible{ opacity:1; transform:none; }
.reveal-ready .timeline-track[data-reveal]{
  opacity:1; transform:scaleX(0); transform-origin:left center;
  transition:transform 1.4s cubic-bezier(0.2, 0.7, 0.2, 1) 0.15s;
}
.reveal-ready .timeline-track[data-reveal].is-visible{ transform:scaleX(1); }
.timeline-step .dot::after{ transition:transform 0.4s cubic-bezier(0.3, 1.6, 0.5, 1) calc(var(--reveal-delay, 0ms) + 0.35s); }
.reveal-ready .timeline-step[data-reveal]:not(.is-visible) .dot::after{ transform:scale(0); }
.bento-card, .stat-block{ transition:border-color 0.2s ease, translate 0.2s ease; }
.bento-card:hover, .stat-block:hover{ border-color:var(--accent-soft); translate:0 -3px; }
