/* ==========================================================================
   DIAH — Design System & Base Styles
   A typography-driven, editorial, technology-forward visual language.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Palette — light (default) */
  --bg: #FAFAF8;
  --bg-alt: #F1F0EA;
  --surface: #FFFFFF;
  --surface-raised: #FFFFFF;
  --text: #14140F;
  --text-muted: #62625A;
  --text-faint: #6E6E64;
  --border: rgba(20, 20, 15, 0.12);
  --border-strong: rgba(20, 20, 15, 0.22);

  --accent: #1B2A5B;
  --accent-rgb: 27, 42, 91;
  --accent-2: #B6881E;
  --accent-2-rgb: 182, 136, 30;
  --accent-soft: rgba(27, 42, 91, 0.08);
  --accent-contrast: #FFFFFF;

  --gold: #D4A72C;
  --gold-rgb: 212, 167, 44;


  --success: #1E9E6B;

  /* Typography */
  --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 0.18s;
  --dur-mid: 0.4s;
  --dur-slow: 0.9s;

  --header-h: 76px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A0A0C;
    --bg-alt: #111114;
    --surface: #17171B;
    --surface-raised: #1C1C21;
    --text: #F4F4F1;
    --text-muted: #A3A39A;
    --text-faint: #6E6E68;
    --border: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.18);

    --accent: #7C93FF;
    --accent-rgb: 124, 147, 255;
    --accent-2: #E0BB54;
    --accent-2-rgb: 224, 187, 84;
    --accent-soft: rgba(124, 147, 255, 0.14);
    --accent-contrast: #0A0A0C;

    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0A0A0C;
  --bg-alt: #111114;
  --surface: #17171B;
  --surface-raised: #1C1C21;
  --text: #F4F4F1;
  --text-muted: #A3A39A;
  --text-faint: #6E6E68;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);

  --accent: #7C93FF;
  --accent-rgb: 124, 147, 255;
  --accent-2: #E0BB54;
  --accent-2-rgb: 224, 187, 84;
  --accent-soft: rgba(124, 147, 255, 0.14);
  --accent-contrast: #0A0A0C;

  color-scheme: dark;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
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;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--dur-mid) var(--ease-soft), color var(--dur-mid) var(--ease-soft);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
svg { display: block; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: var(--space-3) var(--space-5);
  z-index: 999;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

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

/* ---------- Layout helpers ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section, .hero { scroll-margin-top: var(--header-h); }

.section { padding-block: var(--space-10); position: relative; }
.section-alt { background: var(--bg-alt); }

.section-head { max-width: 640px; margin-bottom: var(--space-8); }
.section-head .section-note { margin-top: var(--space-4); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.section-note {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft), border-color var(--dur-fast) var(--ease-soft), color var(--dur-fast) var(--ease-soft);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
}
.btn-primary:hover { background: var(--gold); color: #14140F; }

.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-outline {
  border-color: var(--border-strong);
  color: var(--text);
  background: var(--surface);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-small { padding: 0.55rem 1.1rem; font-size: 0.85rem; }

/* ---------- Cursor & progress ---------- */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  border-radius: 50%;
  border: 1.4px solid var(--accent);
  pointer-events: none;
  z-index: 9999;
  transform: translate3d(-100px, -100px, 0) scale(1);
  transition: opacity var(--dur-fast) var(--ease-soft), transform 0.12s linear, width var(--dur-fast), height var(--dur-fast), margin var(--dur-fast);
  opacity: 0;
}
.cursor-dot.is-active { opacity: 1; }
.cursor-dot.is-hover {
  width: 40px; height: 40px; margin: -20px 0 0 -20px;
  background: var(--accent-soft);
}

.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-mid) var(--ease-soft), background var(--dur-mid) var(--ease-soft), transform var(--dur-mid) var(--ease-soft);
}
.site-header.is-scrolled { border-bottom-color: var(--border); }
.site-header.is-hidden { transform: translateY(-100%); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  width: 100%;
}

.logo { display: inline-flex; align-items: center; }
.logo-mark-img { height: 36px; width: auto; display: block; }

.footer-logo-img { width: 100%; max-width: 180px; height: auto; display: block; }

/* Theme-specific logo variants — must follow the logo rules above so display wins */
.logo-dark { display: none; }
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="dark"] .logo-dark { display: block; }

.main-nav ul { display: flex; align-items: center; gap: var(--space-6); }
.main-nav a {
  font-size: 0.92rem;
  color: var(--text-muted);
  position: relative;
  padding-block: var(--space-1);
  transition: color var(--dur-fast) var(--ease-soft);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
  transition: right var(--dur-mid) var(--ease);
}
.main-nav a:hover { color: var(--text); }
.main-nav a:hover::after { right: 0; }

.header-controls { display: flex; align-items: center; gap: var(--space-4); }

.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  padding: 0.32rem 0.6rem;
  border-radius: var(--radius-pill);
  color: var(--text-faint);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.lang-btn:hover { color: var(--text); }
.lang-btn.is-active { background: var(--text); color: var(--bg); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color var(--dur-fast), color var(--dur-fast), transform var(--dur-fast);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); transform: rotate(12deg); }
.icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: block; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
}
.menu-toggle span {
  display: block;
  width: 20px; height: 1.6px;
  background: var(--text);
  transition: transform var(--dur-fast) var(--ease-soft), opacity var(--dur-fast);
  margin-inline: auto;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: 0; right: 0;
  width: min(340px, 84vw);
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 950;
  padding: calc(var(--header-h) + var(--space-6)) var(--space-6) var(--space-6);
  transform: translateX(100%);
  transition: transform var(--dur-mid) var(--ease);
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav li { border-bottom: 1px solid var(--border); }
.mobile-nav a {
  display: block;
  padding: var(--space-4) 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.mobile-nav-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 940;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease-soft);
}
.mobile-nav-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: calc(var(--header-h) + var(--space-7));
  padding-bottom: var(--space-6);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; color: var(--border-strong); overflow: hidden; }
.hero-grid { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.6; }
.hero-nodes {
  position: absolute; inset: 0; width: 100%; height: 100%;
  color: var(--accent);
  opacity: 0.55;
  animation: hero-float 16s ease-in-out infinite;
}
.node-links { opacity: 0.35; }
.node-dots circle { animation: node-pulse 3.4s ease-in-out infinite; }
.node-dots circle:nth-child(2) { animation-delay: 0.4s; }
.node-dots circle:nth-child(3) { animation-delay: 0.8s; }
.node-dots circle:nth-child(4) { animation-delay: 1.2s; }
.node-dots circle:nth-child(5) { animation-delay: 1.6s; }
.node-dots circle:nth-child(6) { animation-delay: 2s; }
.node-dots circle:nth-child(7) { animation-delay: 2.4s; }
.node-dots circle:nth-child(8) { animation-delay: 2.8s; }

@keyframes hero-float {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(0,-16px,0); }
}
@keyframes node-pulse {
  0%, 100% { opacity: 0.55; r: 4; }
  50% { opacity: 1; }
}

.hero-glow {
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 60vw;
  max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.16), transparent 70%);
  filter: blur(10px);
}

.hero-inner {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  width: 100%;
  margin-inline: auto;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
}
.hero-title-brand {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.5em;
  color: var(--text-faint);
  text-transform: uppercase;
}
.hero-title-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 5.6vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.hero-text {
  font-size: clamp(0.95rem, 1.45vw, 1.05rem);
  color: var(--text-muted);
  max-width: 54ch;
  margin: 0 auto var(--space-6);
}

.hero-cta { display: flex; align-items: center; justify-content: center; gap: var(--space-4); flex-wrap: wrap; }

.hero-caps {
  margin: var(--space-5) 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.scroll-indicator {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.scroll-line { width: 1px; height: 34px; background: linear-gradient(var(--text-faint), transparent); overflow: hidden; position: relative; }
.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--accent);
  animation: scroll-drip 2.2s ease-in-out infinite;
}
@keyframes scroll-drip {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.hero .reveal { transition-delay: 0.1s; }
.hero .hero-cta.reveal { transition-delay: 0.2s; }
.hero .hero-caps.reveal { transition-delay: 0.3s; }
.hero .scroll-indicator.reveal { transition-delay: 0.4s; }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.service-card {
  padding: var(--space-6);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur-mid) var(--ease-soft);
  position: relative;
}
.service-card:hover { background: var(--surface); }
.service-num {
  display: block;
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: var(--space-5);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.service-card p { color: var(--text-muted); font-size: 1rem; }

/* ---------- Technology ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-6);
}
.tech-col h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}
.tag-list { display: flex; flex-direction: column; gap: var(--space-2); }
.tag-list li {
  font-size: 0.98rem;
  padding-block: var(--space-1);
  transition: color var(--dur-fast), transform var(--dur-fast);
}
.tech-col:hover .tag-list li { color: var(--text-muted); }
.tag-list li:hover { color: var(--accent) !important; transform: translateX(4px); }

/* ---------- Process ---------- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  counter-reset: step;
  position: relative;
}
.process-timeline::before {
  content: '';
  position: absolute;
  top: 20px; left: 0; right: 0;
  height: 1px;
  background: var(--border);
}
.process-step { position: relative; padding-top: var(--space-7); }
.process-num {
  position: absolute;
  top: 0; left: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--bg);
  background: var(--accent);
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.process-step h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.process-step p { color: var(--text-muted); font-size: 1rem; }

/* ---------- Projects ---------- */
.projects-grid {
  display: flex;
  justify-content: center;
}
.project-card {
  cursor: pointer;
  width: 100%;
  max-width: 640px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
  transition: transform var(--dur-mid) var(--ease), border-color var(--dur-mid), box-shadow var(--dur-mid);
  opacity: 1;
  transform: scale(1);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 24px 48px -24px rgba(0,0,0,0.22);
}
.project-cover {
  aspect-ratio: 4/3;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: var(--space-5);
  overflow: hidden;
  color: #fff;
}
.project-cover.is-wide { aspect-ratio: 16/9; }
.project-cover::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--cover-gradient, linear-gradient(135deg, var(--accent), var(--accent-2)));
  transition: transform var(--dur-slow) var(--ease);
}
.project-card:hover .project-cover::before { transform: scale(1.08); }
.project-cover-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.14) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.14) 1px, transparent 1px);
  background-size: 26px 26px;
  mix-blend-mode: overlay;
}
.project-cover-cat {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.28);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
}

/* Concept illustration — reused for the card cover and the modal cover */
.pv-map { position: absolute; inset: 0; width: 100%; height: 100%; }
.pv-radius { opacity: 0.3; }
.pv-links { opacity: 0.45; }
.pv-ring { transform-origin: center; animation: pv-ring-pulse 3s ease-in-out infinite; }
.pv-dots circle { fill: var(--success); animation: node-pulse 2.6s ease-in-out infinite; }
.pv-dots circle:nth-child(2) { animation-delay: 0.4s; }
.pv-dots circle:nth-child(3) { animation-delay: 0.8s; }
@keyframes pv-ring-pulse {
  0%, 100% { r: 24; opacity: 0.6; }
  50% { r: 38; opacity: 0.1; }
}

.project-body { padding: var(--space-6); }
.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.project-body p { color: var(--text-muted); font-size: 1rem; margin-bottom: var(--space-5); }
.project-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; }
.project-status { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--text-faint); }
.project-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; animation: node-pulse 2.4s ease-in-out infinite; }
.project-view { color: var(--accent); font-weight: 600; transition: transform var(--dur-fast) var(--ease-soft); }
.project-card:hover .project-view { transform: translateX(3px); }

/* ---------- Workshops ---------- */
.workshops-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.workshop-card {
  padding: var(--space-6) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.workshop-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.workshop-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
  margin-bottom: var(--space-4);
}
.workshop-card h3 { font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; }

.workshop-card.is-extra {
  display: none;
  opacity: 0;
  transform: translateY(16px);
}
.workshops-grid.is-expanded .workshop-card.is-extra {
  display: block;
  animation: workshop-in 0.5s var(--ease) forwards;
}
.workshops-grid.is-expanded .workshop-card.is-extra:nth-of-type(1) { animation-delay: 0.02s; }
.workshops-grid.is-expanded .workshop-card.is-extra:nth-of-type(2) { animation-delay: 0.08s; }
.workshops-grid.is-expanded .workshop-card.is-extra:nth-of-type(3) { animation-delay: 0.14s; }
.workshops-grid.is-expanded .workshop-card.is-extra:nth-of-type(4) { animation-delay: 0.2s; }
@keyframes workshop-in {
  to { opacity: 1; transform: translateY(0); }
}
.workshops-cta { display: flex; justify-content: center; margin-top: var(--space-7); }

/* ---------- Consulting ---------- */
.consulting-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: center;
}
.consulting-list { display: flex; flex-direction: column; }
.consulting-list li {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 1.15rem;
  transition: padding-left var(--dur-fast) var(--ease-soft), color var(--dur-fast);
}
.consulting-list li:hover { padding-left: var(--space-3); color: var(--accent); }
.consulting-index { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); }

/* ---------- About ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: start;
  margin-bottom: var(--space-9);
}
.about-combine {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--accent);
  margin-top: var(--space-5);
}
.pillars { display: grid; gap: var(--space-6); }
.pillar { padding-bottom: var(--space-5); border-bottom: 1px solid var(--border); }
.pillar:last-child { border-bottom: none; }
.pillar h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-2); }
.pillar p { color: var(--text-muted); font-size: 1rem; }

/* ---------- News ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.news-card {
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
  transition: transform var(--dur-mid) var(--ease), box-shadow var(--dur-mid);
}
.news-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -24px rgba(0,0,0,0.22); }
.news-cover {
  aspect-ratio: 16/9;
  position: relative;
  background: var(--cover-gradient, linear-gradient(135deg, var(--accent-2), var(--accent)));
}
.news-cover-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 14px 14px;
  opacity: 0.35;
}
.news-body { padding: var(--space-5); }
.news-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
  display: block;
}
.news-body h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-3);
}
.news-body p { color: var(--text-muted); font-size: 1rem; margin-bottom: var(--space-4); }
.news-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-faint);
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
}

/* Single announcement: centred, same width as the single project card */
.news-grid.is-single { display: flex; justify-content: center; }
.news-grid.is-single .news-card { width: 100%; max-width: 640px; }
.news-meta { align-items: center; }
.news-card:hover .project-view { transform: translateX(3px); }

/* Brand cover — the DIAH logo on its light ground, not a stock image */
.news-cover.is-brand,
.mc-cover.is-brand {
  --cover-gradient: linear-gradient(135deg, #FAFAF8, #ECEAE1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.is-brand .news-cover-grid {
  background-image: radial-gradient(rgba(27,42,91,0.45) 1px, transparent 1px);
  opacity: 0.3;
}
.brand-lockup {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.brand-lockup img {
  width: clamp(130px, 28vw, 220px);
  height: auto;
  transition: transform var(--dur-slow) var(--ease);
}
.news-card:hover .brand-lockup img { transform: scale(1.05); }
.brand-rule { width: 44px; height: 2px; border-radius: 2px; background: var(--gold); }
.brand-chip {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #1B2A5B;
  border: 1px solid rgba(27,42,91,0.2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
}

/* ---------- Contact ---------- */
.contact-layout {
  max-width: 760px;
  margin-inline: auto;
}
.contact-layout .section-note { margin-top: var(--space-4); }
.contact-info { display: flex; gap: var(--space-8); margin: var(--space-7) 0 var(--space-8); flex-wrap: wrap; }
.contact-info-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-2);
}
.contact-info a {
  font-size: 1.05rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast), color var(--dur-fast);
  overflow-wrap: anywhere;
}
.contact-info a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding-top: var(--space-9);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
}
.footer-brand p { color: var(--text-muted); margin-top: var(--space-4); max-width: 30ch; font-size: 1rem; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a, .footer-col span { color: var(--text-muted); font-size: 1rem; transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-5);
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: var(--space-3);
}
/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur-fast), transform var(--dur-fast), visibility var(--dur-fast);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent); color: var(--accent-contrast); }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0;
  z-index: 980;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-soft), visibility var(--dur-mid);
}
.modal.is-open { visibility: visible; opacity: 1; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(8,8,10,0.6);
  backdrop-filter: blur(4px);
}
.modal-panel {
  position: relative;
  z-index: 1;
  background: var(--surface);
  width: min(880px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  margin-top: 6vh;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transform: translateY(24px) scale(0.98);
  opacity: 0;
  transition: transform var(--dur-mid) var(--ease), opacity var(--dur-mid) var(--ease-soft);
}
.modal.is-open .modal-panel { transform: translateY(0) scale(1); opacity: 1; }

.modal-close {
  position: sticky;
  top: 0; left: 100%;
  transform: translateX(-100%);
  margin: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  z-index: 2;
  float: right;
}
.modal-close:hover { border-color: var(--accent); color: var(--accent); }

.modal-body { padding: 0 var(--space-7) var(--space-8); clear: both; }

.mc-cover {
  aspect-ratio: 21/9;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
  color: #fff;
}
.mc-cover::before { content: ''; position: absolute; inset: 0; background: var(--cover-gradient); }
.mc-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: var(--space-3);
}
.mc-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: var(--space-2); }
.mc-tagline { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--text-muted); margin-bottom: var(--space-4); }
.mc-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-5);
}
.mc-badge i, .mc-status-block h4 i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: node-pulse 2.4s ease-in-out infinite;
}
.mc-lede { color: var(--text-muted); font-size: 1.02rem; max-width: 62ch; margin-bottom: var(--space-8); }
.mc-section { margin-bottom: var(--space-7); }
.mc-section h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.mc-section p { color: var(--text-muted); }
.mc-tech { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.mc-tech span { font-family: var(--font-mono); font-size: 0.78rem; padding: 0.3rem 0.75rem; border-radius: var(--radius-pill); border: 1px solid var(--border); }
.mc-results { display: grid; gap: var(--space-3); }
.mc-results li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  color: var(--text);
  font-size: 0.92rem;
}
.mc-results li::before { content: '→'; color: var(--accent); flex-shrink: 0; }

.mc-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-6) var(--space-4);
}
.mc-step { position: relative; padding-top: var(--space-7); }
.mc-step-num {
  position: absolute;
  top: 0; left: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--bg);
  background: var(--accent);
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mc-step h5 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: var(--space-2); }
.mc-step p { color: var(--text-muted); font-size: 1rem; }

.mc-modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}
.mc-module { padding: var(--space-5); border: 1px solid var(--border); border-radius: var(--radius-md); }
.mc-module h5 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: var(--space-2); }
.mc-module p { color: var(--text-muted); font-size: 1rem; }

.mc-columns { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-7); }

.mc-status-block { background: var(--bg-alt); border-radius: var(--radius-md); padding: var(--space-6); }
.mc-status-block h4 { color: var(--text); font-size: 0.95rem; text-transform: none; letter-spacing: normal; font-family: var(--font-display); font-weight: 600; }

/* News article (modal) */
.mc-article { max-width: 62ch; }
.mc-article p + p { margin-top: var(--space-4); }
.mc-closing { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.1rem, 2vw, 1.3rem); padding-top: var(--space-5); border-top: 1px solid var(--border); max-width: 62ch; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}