/*
Theme Name: ZN Labs — NADA
Theme URI: https://znlabs.com
Author: ZN Labs
Author URI: https://znlabs.com
Description: Custom "blueprint" theme for NADA (Network for Autonomous Data Aggregation) by ZN Labs — an AI data aggregator and app developer based in Singapore. Pale blueprint palette, amber/violet/teal layer accents, Fraunces + IBM Plex typography.
Version: 2.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: nada
*/

:root{
  --bg: #EEF1F4;
  --surface: #FFFFFF;
  --surface-tint: #E4E9EE;
  --hairline: #D3DAE1;
  --ink: #0F1B2D;
  --muted: #5C6B7A;

  --link-color: #C97F1F;
  --link-bg: #FBF1E1;
  --engine-color: #5B4FC4;
  --engine-bg: #EFEDFC;
  --core-color: #146B67;
  --core-bg: #E4F2F0;

  --radius: 4px;
  --maxw: 1160px;
  --font-display: 'Fraunces', serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

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

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1{ font-size: clamp(2.3rem, 4.6vw, 3.6rem); }
h2{ font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
h3{ font-size: 1.15rem; font-weight: 600; }

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

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--engine-color);
  margin-bottom: 1em;
  display: inline-block;
}

/* ---------- Header ---------- */
header.site{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(238,241,244,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.logo{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo .tag{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.04em;
}
.navlinks{
  display: flex;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}
.navlinks a{
  color: var(--muted);
  transition: color 0.15s ease;
}
.navlinks a:hover, .navlinks a[aria-current="page"]{ color: var(--ink); }
.nav-cta{
  font-family: var(--font-mono);
  font-size: 0.84rem;
  padding: 9px 18px;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius);
  transition: opacity 0.15s ease;
}
.nav-cta:hover{ opacity: 0.85; }

.menu-toggle{
  display: none;
  background: none; border: 1px solid var(--hairline);
  color: var(--ink); font-family: var(--font-mono);
  padding: 8px 12px; border-radius: var(--radius);
}
@media (max-width: 780px){
  .navlinks{ display: none; }
  .menu-toggle{ display: block; }
  .nav-cta{ display: none; }
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 13px 24px;
  border-radius: var(--radius);
  transition: all 0.15s ease;
  border: 1px solid transparent;
}
.btn-primary{ background: var(--ink); color: var(--bg); }
.btn-primary:hover{ opacity: 0.85; transform: translateY(-1px); }
.btn-ghost{ border-color: var(--hairline); color: var(--ink); background: var(--surface); }
.btn-ghost:hover{ border-color: var(--engine-color); color: var(--engine-color); }

/* ---------- Hero ---------- */
.hero{
  padding: 88px 0 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; padding: 52px 0 40px; }
}
.hero-actions{ display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero.align-start{ align-items: start; }

/* ---------- Sections ---------- */
section{ padding: 80px 0; border-top: 1px solid var(--hairline); }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head p{ font-size: 1.05rem; }
.center{ text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- Layer cards (home teaser) ---------- */
.layer-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px){ .layer-grid{ grid-template-columns: 1fr; } }
.layer-card{
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 28px;
}
.layer-card .layer-icon{ width: 40px; height: 40px; margin-bottom: 18px; }
.layer-card .layer-tag{
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.06em; padding: 3px 10px; border-radius: 20px; display: inline-block; margin-bottom: 14px;
}
.tag-link{ background: var(--link-bg); color: var(--link-color); }
.tag-engine{ background: var(--engine-bg); color: var(--engine-color); }
.tag-core{ background: var(--core-bg); color: var(--core-color); }
.layer-card p{ font-size: 0.94rem; margin-bottom: 0; }

/* ---------- Layer detail sections (About page) ---------- */
.layer-detail{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--hairline);
}
.layer-detail:first-of-type{ border-top: none; }
@media (max-width: 860px){ .layer-detail{ grid-template-columns: 1fr; } }
.layer-detail.reverse .art{ order: 2; }
@media (min-width: 861px){
  .layer-detail.reverse .info{ order: 2; }
}
.layer-detail .art{
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 24px;
}
.layer-detail ul{ padding-left: 1.1em; color: var(--muted); font-size: 0.95rem; }
.layer-detail li{ margin-bottom: 6px; }

/* ---------- Data source strip ---------- */
.source-strip{
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px;
}
.source-chip{
  font-family: var(--font-mono); font-size: 0.78rem;
  background: var(--surface); border: 1px solid var(--hairline);
  padding: 7px 14px; border-radius: 20px; color: var(--muted);
}

/* ---------- Contact ---------- */
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
@media (max-width: 860px){ .contact-grid{ grid-template-columns: 1fr; gap: 40px; } }
.field{ margin-bottom: 20px; }
.field label{
  display: block; font-family: var(--font-mono); font-size: 0.76rem;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px;
}
.field input, .field textarea{
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--hairline);
  color: var(--ink);
  padding: 12px 14px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.field input:focus, .field textarea:focus{ outline: none; border-color: var(--engine-color); }
.field textarea{ resize: vertical; min-height: 120px; }

.info-card{
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 12px; padding: 28px;
}
.info-row{ display: flex; flex-direction: column; gap: 4px; padding: 16px 0; border-top: 1px solid var(--hairline); }
.info-row:first-child{ border-top: none; padding-top: 0; }
.info-row .k{ color: var(--muted); font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.info-row .v{ font-size: 0.98rem; }

.form-notice{
  font-family: var(--font-mono); font-size: 0.85rem;
  padding: 14px 16px; border-radius: var(--radius); margin-bottom: 20px;
}
.form-notice.success{ background: var(--core-bg); color: var(--core-color); border: 1px solid var(--core-color); }
.form-notice.error{ background: #FBEAEA; color: #B4302B; border: 1px solid #B4302B; }
.hp-field{ position: absolute; left: -9999px; top: -9999px; }

/* ---------- Careers page ---------- */
.job-card{
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 12px; padding: 24px; margin-bottom: 16px;
}
.job-card-head{ display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.job-badges{ display: flex; gap: 8px; flex-wrap: wrap; }
.job-badge{
  font-family: var(--font-mono); font-size: 0.74rem;
  background: var(--surface-tint); color: var(--muted);
  padding: 4px 10px; border-radius: 20px; white-space: nowrap;
}
.job-card p{ margin-top: 12px; margin-bottom: 0; }
.field input[type="file"]{
  width: 100%; background: var(--surface); border: 1px solid var(--hairline);
  padding: 10px 14px; border-radius: var(--radius); font-family: var(--font-body); font-size: 0.9rem;
}
.field select{
  width: 100%; background: var(--surface); border: 1px solid var(--hairline);
  padding: 12px 14px; border-radius: var(--radius); font-family: var(--font-body); font-size: 0.95rem;
  color: var(--ink); appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%235C6B7A'%3E%3Cpath d='M5.5 7.5L10 12l4.5-4.5H5.5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
.field select:focus{ outline: none; border-color: var(--engine-color); }
.field-checkbox label{
  display: flex; align-items: flex-start; gap: 10px;
  font-family: var(--font-body); font-size: 0.88rem; color: var(--muted);
  text-transform: none; letter-spacing: normal; cursor: pointer;
}
.field-checkbox input[type="checkbox"]{ margin-top: 3px; flex-shrink: 0; width: 16px; height: 16px; }
.field-checkbox a{ color: var(--engine-color); text-decoration: underline; text-underline-offset: 2px; }
.char-counter{
  display: block; text-align: right; margin-top: 6px;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted);
}

.job-status{ font-weight: 500; }
.status-open{ background: var(--core-bg); color: var(--core-color); }
.status-interviewing{ background: var(--link-bg); color: var(--link-color); }
.status-shortlisting{ background: var(--engine-bg); color: var(--engine-color); }
.status-closed{ background: var(--surface-tint); color: var(--muted); }

.job-desc-short, .job-desc-full{ font-size: 0.95rem; color: var(--muted); }
.job-desc-short p, .job-desc-full p{ margin: 0 0 0.6em; }
.job-readmore{
  background: none; border: none; padding: 0; margin-top: 8px;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--engine-color);
  cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}
.job-readmore:hover{ color: var(--ink); }

/* ---------- Floating action buttons (Careers page) ---------- */
.floating-actions{
  position: fixed; right: 24px; bottom: 24px; z-index: 60;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.floating-actions.is-visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.floating-btn{
  font-family: var(--font-mono); font-size: 0.78rem;
  background: var(--ink); color: var(--bg);
  border: none; border-radius: 24px; padding: 10px 16px;
  display: flex; align-items: center; gap: 8px; cursor: pointer;
  box-shadow: 0 6px 16px -6px rgba(15,27,45,0.35);
  transition: opacity 0.15s ease;
}
.floating-btn:hover{ opacity: 0.85; }
.floating-btn-round{
  width: 40px; height: 40px; padding: 0; border-radius: 50%;
  justify-content: center; font-size: 1.1rem;
}
@media (max-width: 600px){
  .floating-actions{ right: 16px; bottom: 16px; }
  .floating-btn-label{ display: none; }
  .floating-btn{ padding: 10px; border-radius: 50%; width: 40px; height: 40px; justify-content: center; }
}

/* ---------- CTA strip ---------- */
.cta-strip{ text-align: center; }
.cta-strip p{ margin: 0 auto 28px; }

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--hairline);
  padding: 40px 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-row{ display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 24px; }
.footer-links{ display: flex; gap: 22px; }
.footer-links a:hover{ color: var(--ink); }
.footer-address{ max-width: 280px; line-height: 1.6; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--engine-color);
  outline-offset: 2px;
}

.page-hero{ padding: 68px 0 44px; }
.page-hero p{ font-size: 1.05rem; }

/* ---------- Pipeline diagram: traveling data-flow dots ---------- */
@keyframes flowmove-x{
  0%{ transform: translateX(0); opacity: 0; }
  12%{ opacity: 1; }
  88%{ opacity: 1; }
  100%{ transform: translateX(var(--dx, 40px)); opacity: 0; }
}
@keyframes flowmove-y{
  0%{ transform: translateY(0); opacity: 0; }
  12%{ opacity: 1; }
  88%{ opacity: 1; }
  100%{ transform: translateY(var(--dy, 30px)); opacity: 0; }
}
@keyframes flowmove-xy{
  0%{ transform: translate(0, 0); opacity: 0; }
  12%{ opacity: 1; }
  88%{ opacity: 1; }
  100%{ transform: translate(var(--dx, 40px), var(--dy, 0px)); opacity: 0; }
}
.flow-dot{ animation: flowmove-x 1.6s linear infinite; transform-box: view-box; }
.flow-dot-y{ animation-name: flowmove-y; }
.flow-dot-xy{ animation-name: flowmove-xy; }
.flow-dot-2{ animation-delay: 0.4s; }
.flow-dot-3{ animation-delay: 0.8s; }

@keyframes linepulse{
  0%, 100%{ opacity: 0.35; }
  50%{ opacity: 0.9; }
}
.pulse-line{ animation: linepulse 2.6s ease-in-out infinite; }
.pulse-line-2{ animation-delay: 0.5s; }
.pulse-line-3{ animation-delay: 1s; }

/* ---------- Hover glow on diagrams and cards ---------- */
.art, .layer-card{ transition: box-shadow 0.25s ease, transform 0.25s ease; }
.art:hover{ box-shadow: 0 0 0 1px var(--hairline), 0 12px 32px -12px rgba(91,79,196,0.25); transform: translateY(-2px); }
.layer-card:hover{ box-shadow: 0 12px 28px -14px rgba(15,27,45,0.18); transform: translateY(-2px); }

/* ---------- Scroll reveal ---------- */
.reveal{ opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------- Homepage block-editor content ---------- */
.home-content .wp-block-buttons{ display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.home-content .wp-block-button__link{
  font-family: var(--font-mono); font-size: 0.88rem; padding: 13px 24px;
  border-radius: var(--radius); background: var(--ink); color: var(--bg) !important;
  text-decoration: none; display: inline-block;
}
.home-content .wp-block-button.is-style-outline .wp-block-button__link{
  background: var(--surface); color: var(--ink) !important;
  border: 1px solid var(--hairline);
}
.home-content .wp-block-columns{ margin: 1.5em 0; }
.home-content .wp-block-column{
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 12px; padding: 24px;
}
.home-content .wp-block-column p:last-child{ margin-bottom: 0; }

/* ---------- Node graph (data sources converging + assembling) ---------- */
.graph-card{
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 16px; padding: 12px;
}
@keyframes graph-orbit-cw{ to{ transform: rotate(360deg); } }
@keyframes graph-orbit-ccw{ to{ transform: rotate(-360deg); } }
@keyframes graph-ping{
  0%{ transform: scale(1); opacity: 0.55; }
  100%{ transform: scale(2.3); opacity: 0; }
}
@keyframes graph-hubcore{
  0%, 100%{ transform: scale(1); }
  50%{ transform: scale(1.06); }
}
.graph-orbit-1{ animation: graph-orbit-cw 8s linear infinite; transform-origin: 390px 260px; transform-box: view-box; }
.graph-orbit-2{ animation: graph-orbit-ccw 13s linear infinite; transform-origin: 390px 260px; transform-box: view-box; }
.graph-orbit-3{ animation: graph-orbit-cw 20s linear infinite; transform-origin: 390px 260px; transform-box: view-box; }
.graph-ping{ animation: graph-ping 2.4s cubic-bezier(.2,.6,.4,1) infinite; transform-box: fill-box; transform-origin: center; }
.graph-hubcore{ animation: graph-hubcore 2.4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.graph-node text{ font-family: var(--font-mono); font-size: 10.5px; }

/* ---------- WordPress core classes ---------- */
.alignleft{ float:left; margin:0 24px 16px 0; }
.alignright{ float:right; margin:0 0 16px 24px; }
.aligncenter{ display:block; margin:0 auto 16px; }
.screen-reader-text{ position:absolute !important; clip:rect(1px,1px,1px,1px); width:1px; height:1px; overflow:hidden; }

.entry-content{ max-width: 720px; }
.entry-content h2{ margin-top: 1.4em; }
.entry-content p{ max-width: none; }
.entry-content a{ color: var(--engine-color); text-decoration: underline; text-underline-offset: 3px; }
.entry-content ul, .entry-content ol{ color: var(--muted); padding-left: 1.3em; }