/* RD Labs — index.html (navbar + hero + services), uses tokens.css */

.wrap { max-width: 1240px; }

@media (max-width: 480px) {
  .wrap { padding: 0 var(--space-4); }
}

/* ================= NAVBAR ================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 9, 12, 0.35);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background var(--duration-slow) var(--ease-standard),
              border-color var(--duration-slow) var(--ease-standard),
              backdrop-filter var(--duration-slow) var(--ease-standard);
}

.navbar.scrolled {
  background: rgba(8, 9, 12, 0.82);
  border-bottom-color: var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  line-height: 1;
}

.logo-mark {
  display: block;
  height: clamp(52px, 4.4vw, 84px);
  width: auto;
  filter: drop-shadow(0 0 20px rgba(62, 123, 250, 0.18));
}

.logo-dot {
  display: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  list-style: none;
}

.nav-links a {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-1) 0;
  transition: color var(--duration-base) var(--ease-standard);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-standard);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text-primary);
  outline: none;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after { transform: scaleX(1); }

.nav-right { display: flex; align-items: center; gap: var(--space-6); }

.nav-cta {
  display: none;
}

@media (min-width: 860px) {
  .nav-cta { display: inline-flex; }
}

/* hamburger: three independent bars so they can morph into an X */
.menu-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-base) var(--ease-standard);
}

.menu-btn:hover { border-color: var(--accent-blue); }

.menu-bar {
  width: 16px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--duration-base) var(--ease-standard),
              opacity var(--duration-base) var(--ease-standard);
}

.navbar.menu-open .menu-bar:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.navbar.menu-open .menu-bar:nth-child(2) { opacity: 0; }
.navbar.menu-open .menu-bar:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

@media (min-width: 860px) {
  .menu-btn { display: none; }
}

/* mobile nav panel: collapsed by default so links never overflow the header */
@media (max-width: 859px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    background: rgba(8, 9, 12, 0.97);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: max-height var(--duration-slow) var(--ease-standard),
                opacity var(--duration-base) var(--ease-standard);
  }

  .nav-links a {
    display: block;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border);
  }

  .nav-links a::after { display: none; }

  .navbar.menu-open .nav-links {
    max-height: 400px;
    opacity: 1;
    pointer-events: auto;
  }
}

/* ================= HERO ================= */
.hero {
  position: relative;
  padding: var(--space-9) 0 var(--space-8);
  overflow: hidden;
  min-height: calc(100vh - var(--nav-h, 96px)); /* fallback for browsers without svh */
  min-height: calc(100svh - var(--nav-h, 96px));
  display: flex;
  align-items: center;
}

.hero-glow {
  position: absolute;
  width: 720px;
  height: 720px;
  top: -360px;
  left: -220px;
  background: radial-gradient(circle, rgba(62, 123, 250, 0.20) 0%, rgba(62, 123, 250, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-glow.violet {
  top: auto;
  bottom: -380px;
  left: auto;
  right: -260px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.16) 0%, rgba(139, 92, 246, 0) 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-9);
  position: relative;
  z-index: 1;
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero { padding: var(--space-8) 0; min-height: 0; }
}

h1.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4.2vw + 1rem, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-top: var(--space-5);
  max-width: 15ch;
  text-wrap: balance;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 46ch;
  margin-top: var(--space-5);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-7);
}

.hero-cta-row .btn { padding: var(--space-4) var(--space-6); font-size: var(--text-sm); }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-7) var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  max-width: 46ch;
}

.hero-meta-item { display: flex; flex-direction: column; gap: 2px; }
.hero-meta-num { font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); }
.hero-meta-label { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-tertiary); }

/* ---- visual ---- */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin: 0 auto;
  perspective: 1200px;
}

.visual-stage {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: radial-gradient(120% 120% at 30% 20%, rgba(62, 123, 250, 0.10), transparent 60%),
              radial-gradient(120% 120% at 75% 80%, rgba(139, 92, 246, 0.10), transparent 60%),
              var(--bg-elevated);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform var(--duration-slow) var(--ease-out);
}

.visual-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.visual-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 92px; height: 92px;
  transform: translate(-50%, -50%);
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  box-shadow: 0 0 60px rgba(139, 92, 246, 0.45), 0 0 20px rgba(62, 123, 250, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: core-pulse 4s var(--ease-standard) infinite;
}

.visual-core svg { width: 34px; height: 34px; color: #08090C; }

@keyframes core-pulse {
  0%, 100% { box-shadow: 0 0 60px rgba(139, 92, 246, 0.45), 0 0 20px rgba(62, 123, 250, 0.4); }
  50% { box-shadow: 0 0 80px rgba(139, 92, 246, 0.65), 0 0 32px rgba(62, 123, 250, 0.6); }
}

.visual-tag {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: rgba(13, 15, 20, 0.85);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  backdrop-filter: blur(4px);
}

.visual-tag.t1 { top: 10%; left: 8%; }
.visual-tag.t2 { bottom: 12%; right: 10%; }
.visual-tag.t3 { top: 14%; right: 12%; }

/* ---- hero entrance animation (load-time) ---- */
.hero .reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: fade-up var(--duration-slow) var(--ease-out) forwards;
}
.hero .reveal.d1 { animation-delay: 0.05s; }
.hero .reveal.d2 { animation-delay: 0.16s; }
.hero .reveal.d3 { animation-delay: 0.27s; }
.hero .reveal.d4 { animation-delay: 0.38s; }
.hero .reveal.d5 { animation-delay: 0.5s; }

@keyframes fade-up {
  to { opacity: 1; transform: translateY(0); }
}

/* ================= SERVICES ================= */
.services {
  position: relative;
  padding: var(--space-9) 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
}

.services-glow {
  position: absolute;
  width: 640px; height: 640px;
  top: -300px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(62, 123, 250, 0.10) 0%, rgba(139, 92, 246, 0.06) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section-head {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto var(--space-8);
  text-align: center;
}

h2.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 3vw + 1rem, 2.75rem);
  letter-spacing: -0.02em;
  margin-top: var(--space-5);
  text-wrap: balance;
}

.card-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  isolation: isolate;
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-standard),
              box-shadow var(--duration-base) var(--ease-standard),
              background var(--duration-base) var(--ease-standard);
}

/* premium gradient-ring border on hover, drawn as a mask so it stays hairline-thin */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
  z-index: -1;
  pointer-events: none;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), rgba(139, 92, 246, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  background: var(--bg-elevated-2);
  box-shadow: var(--shadow-lg);
}

.card:hover::before { opacity: 1; }
.card:hover::after { opacity: 1; }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated-2);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: border-color var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}

.card:hover .card-icon {
  border-color: var(--accent-blue);
  transform: rotate(-6deg) scale(1.05);
}

.card-icon svg { width: 20px; height: 20px; }

.card-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  transition: color var(--duration-base) var(--ease-standard);
}

.card:hover .card-num { color: var(--accent-violet); }

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
  margin-top: var(--space-5);
}

.card-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-3);
  max-width: 34ch;
}

.card-foot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.card-foot svg {
  width: 12px; height: 12px;
  transition: transform var(--duration-base) var(--ease-standard);
}

.card:hover .card-foot { color: var(--accent-blue); }
.card:hover .card-foot svg { transform: translateX(4px); }

.support-line {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 52ch;
  margin: var(--space-8) auto 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: var(--text-base);
}

/* ---- scroll reveal, triggered on scroll into view (services + work + process + why + cta) ---- */
.services .reveal,
.work .reveal,
.process .reveal,
.why .reveal,
.cta .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

.services .reveal.in-view,
.work .reveal.in-view,
.process .reveal.in-view,
.why .reveal.in-view,
.cta .reveal.in-view { opacity: 1; transform: translateY(0); }

.cta .reveal:nth-child(1) { transition-delay: 0ms; }
.cta .reveal:nth-child(2) { transition-delay: 100ms; }
.cta .reveal:nth-child(3) { transition-delay: 200ms; }
.cta .reveal:nth-child(4) { transition-delay: 300ms; }

.card-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.card-grid .reveal:nth-child(2) { transition-delay: 100ms; }
.card-grid .reveal:nth-child(3) { transition-delay: 200ms; }

.principle-list .reveal:nth-child(1) { transition-delay: 0ms; }
.principle-list .reveal:nth-child(2) { transition-delay: 80ms; }
.principle-list .reveal:nth-child(3) { transition-delay: 160ms; }
.principle-list .reveal:nth-child(4) { transition-delay: 240ms; }
.principle-list .reveal:nth-child(5) { transition-delay: 320ms; }
.principle-list .reveal:nth-child(6) { transition-delay: 400ms; }

.project-list .reveal:nth-child(1) { transition-delay: 0ms; }
.project-list .reveal:nth-child(2) { transition-delay: 120ms; }
.project-list .reveal:nth-child(3) { transition-delay: 240ms; }

/* ================= WORK ================= */
.work {
  position: relative;
  padding: var(--space-9) 0;
  border-top: 1px solid var(--border);
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-9);
}

.project {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.project--reverse .project-visual { order: 2; }
.project--reverse .project-info { order: 1; }

/* ---- visual frame ---- */
.project-visual {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--duration-slow) var(--ease-out),
              border-color var(--duration-slow) var(--ease-standard),
              box-shadow var(--duration-slow) var(--ease-standard);
}

.project:hover .project-visual {
  transform: scale(1.015);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
}

.mockup-glow {
  position: absolute;
  inset: -20% -20% auto -20%;
  height: 60%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.16) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
  pointer-events: none;
  z-index: 0;
}

.project:hover .mockup-glow { opacity: 1; }

.mockup-chrome {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated-2);
}

.chrome-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--border-strong);
}

.chrome-address {
  margin-left: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 2px var(--space-3);
}

.mockup-body {
  position: relative;
  z-index: 1;
  aspect-ratio: 16 / 11;
  padding: var(--space-5);
  transition: transform var(--duration-slow) var(--ease-out);
}

.project:hover .mockup-body { transform: translateY(-4px); }

/* shared skeleton blocks used across mockups */
.sk {
  display: block;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.sk-label {
  width: 76px; height: 8px;
  background: none; border: none;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ---- Finora: fintech dashboard ---- */
.mockup-finora { display: flex; gap: var(--space-4); }

.finora-rail {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-1);
}

.rail-dot {
  width: 18px; height: 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
}

.rail-dot.active {
  background: var(--gradient-primary);
  border-color: transparent;
}

.finora-main { flex: 1; display: flex; flex-direction: column; gap: var(--space-3); min-width: 0; }

.finora-balance { display: flex; flex-direction: column; gap: 4px; }

.finora-amount {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.finora-delta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-blue);
}

.finora-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 44px;
  margin: var(--space-1) 0;
}

.finora-chart span {
  flex: 1;
  height: var(--h);
  background: var(--gradient-primary);
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
  transition: height var(--duration-slow) var(--ease-out);
}

.project:hover .finora-chart span { height: calc(var(--h) + 8%); }

.finora-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}

.row-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border-strong);
  flex-shrink: 0;
}

.sk-title { flex: 1; height: 8px; }
.sk-title.short { max-width: 60%; }

.finora-row-amount {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* ---- Flowdesk: kanban workflow ---- */
.mockup-flowdesk { display: flex; gap: var(--space-3); height: 100%; }

.flow-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.sk-col-label {
  background: none; border: none;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.flow-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  transition: transform var(--duration-slow) var(--ease-out);
}

.project:hover .flow-card { transform: translateY(-3px); }
.flow-card.done { opacity: 0.7; }

.flow-card-foot { display: flex; align-items: center; gap: var(--space-2); }

.avatar-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--gradient-primary);
  flex-shrink: 0;
}

.sk-mini { height: 6px; width: 40px; }

.flow-progress {
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  overflow: hidden;
}

.flow-progress span {
  display: block;
  height: 100%;
  background: var(--gradient-primary);
}

/* ---- Nova: marketing landing page ---- */
.mockup-nova {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-3);
}

.nova-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 50% 40%, rgba(62, 123, 250, 0.14), transparent 70%);
  pointer-events: none;
}

.nova-pill {
  position: relative;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: var(--accent-blue-soft);
  border: 1px solid rgba(62, 123, 250, 0.3);
  border-radius: var(--radius-full);
  padding: 3px var(--space-3);
}

.sk-headline {
  position: relative;
  height: 14px;
  width: 55%;
  background: var(--bg-elevated-2);
  border: none;
}

.sk-headline.wide { width: 70%; }

.sk-sub {
  position: relative;
  height: 8px;
  width: 40%;
  background: var(--bg-elevated-2);
  border: none;
  margin-bottom: var(--space-2);
}

.nova-cta {
  position: relative;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 10px;
  color: #08090C;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  padding: 6px var(--space-4);
  transition: box-shadow var(--duration-slow) var(--ease-standard);
}

.project:hover .nova-cta { box-shadow: var(--shadow-glow-blue); }

/* ---- project info ---- */
.project-info { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-3); }

.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.project-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.project-category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-violet);
}

.project-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 2vw + 1.25rem, 2.25rem);
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 34ch;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--duration-base) var(--ease-standard);
}

.project-link svg {
  width: 14px; height: 14px;
  transition: transform var(--duration-base) var(--ease-standard);
}

.project:hover .project-link { color: var(--accent-blue); }
.project:hover .project-link svg { transform: translateX(4px); }

@media (max-width: 900px) {
  .project,
  .project--reverse {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .project--reverse .project-visual,
  .project--reverse .project-info { order: initial; }
  .mockup-body { aspect-ratio: 16 / 12; }
}

/* ================= PROCESS ================= */
.process {
  position: relative;
  padding: var(--space-9) 0;
  border-top: 1px solid var(--border);
}

.timeline {
  position: relative;
  margin-top: var(--space-9);
}

/* connecting line: horizontal on desktop, spans between the 1st and 4th node centers */
.timeline-track {
  position: absolute;
  top: 23px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: var(--border-strong);
  z-index: 0;
}

.timeline-track-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 1px;
  width: 0;
  background: var(--gradient-primary);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
  transition: width 1.6s var(--ease-out);
}

.timeline.in-view .timeline-track-fill { width: 100%; }

.timeline-steps {
  position: relative;
  z-index: 1;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.step-node {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: border-color var(--duration-slow) var(--ease-standard),
              color var(--duration-slow) var(--ease-standard),
              box-shadow var(--duration-slow) var(--ease-standard);
}

.timeline.in-view .step-node {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  box-shadow: 0 0 24px rgba(62, 123, 250, 0.25);
}

.timeline-steps .step:nth-child(1) .step-node { transition-delay: 150ms; }
.timeline-steps .step:nth-child(2) .step-node { transition-delay: 550ms; }
.timeline-steps .step:nth-child(3) .step-node { transition-delay: 950ms; }
.timeline-steps .step:nth-child(4) .step-node { transition-delay: 1350ms; }

.step-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.step-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 26ch;
}

@media (max-width: 760px) {
  .timeline-track {
    top: 0;
    bottom: 0;
    left: 23px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .timeline-track-fill {
    width: 1px;
    height: 0;
    transition: height 1.6s var(--ease-out);
  }

  .timeline.in-view .timeline-track-fill { width: 1px; height: 100%; }

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

  .step {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: var(--space-5);
  }

  .step-body { align-items: flex-start; text-align: left; }
}

/* ================= WHY RD LABS ================= */
.why {
  position: relative;
  padding: var(--space-9) 0;
  border-top: 1px solid var(--border);
}

.why-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-9);
  align-items: start;
}

.why-intro {
  position: sticky;
  top: var(--space-9);
}

.why-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 3vw + 1.25rem, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-top: var(--space-5);
  text-wrap: balance;
}

.why-sub {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 40ch;
  margin-top: var(--space-5);
}

.principle-list {
  list-style: none;
  border-top: 1px solid var(--border);
}

.principle {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: var(--space-6);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left var(--duration-slow) var(--ease-standard);
}

.principle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -1px;
  width: 2px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--duration-slow) var(--ease-standard);
}

.principle:hover {
  padding-left: var(--space-4);
}

.principle:hover::before { transform: scaleY(1); }

.principle-index {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  transition: color var(--duration-slow) var(--ease-standard);
}

.principle:hover .principle-index { color: var(--accent-blue); }

.principle-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 1.4vw + 1rem, 1.75rem);
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  transition: color var(--duration-slow) var(--ease-standard);
}

.principle:hover .principle-name { color: var(--text-primary); }

@media (max-width: 860px) {
  .why-grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .why-intro { position: static; }
}

@media (max-width: 520px) {
  .principle { gap: var(--space-4); }
  .principle:hover { padding-left: var(--space-2); }
}

/* ================= CTA ================= */
.cta {
  position: relative;
  padding: var(--space-9) 0 calc(var(--space-9) + var(--space-4));
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--border);
}

.cta-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: transform 800ms var(--ease-out);
  transform: translate(var(--gx, 0px), var(--gy, 0px));
}

.glow-blob {
  position: absolute;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
}

.glow-blob.blue {
  top: -220px;
  left: 50%;
  transform: translateX(-72%);
  background: radial-gradient(circle, rgba(62, 123, 250, 0.30) 0%, transparent 70%);
}

.glow-blob.violet {
  top: -180px;
  left: 50%;
  transform: translateX(-28%);
  background: radial-gradient(circle, rgba(139, 92, 246, 0.26) 0%, transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 4vw + 1rem, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-top: var(--space-5);
  max-width: 18ch;
  text-wrap: balance;
}

.cta-sub {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 42ch;
  margin-top: var(--space-5);
}

.cta-btn { margin-top: var(--space-7); padding: var(--space-4) var(--space-7); font-size: var(--text-base); }

/* ================= FOOTER ================= */
.site-footer {
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-8);
  padding: var(--space-9) 0 var(--space-8);
}

.footer-brand .logo { min-height: 32px; }
.footer-brand .logo-mark { height: clamp(46px, 3.6vw, 68px); }

.footer-tagline {
  margin-top: var(--space-4);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  max-width: 32ch;
}

.footer-col-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer-nav a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--duration-base) var(--ease-standard);
}

.footer-nav a:hover { color: var(--text-primary); }

.footer-social { display: flex; flex-direction: column; align-items: flex-start; }

.social-links { display: flex; gap: var(--space-3); }

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: border-color var(--duration-base) var(--ease-standard),
              color var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}

.social-link svg { width: 17px; height: 17px; }

.social-link:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: var(--space-5) 0 var(--space-7);
  display: flex;
  justify-content: center;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr; gap: var(--space-7); }
  .footer-nav, .footer-social { align-items: flex-start; }
}

/* ================= SHARED MOTION SAFETY ================= */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}