/* ─── TOKENS (mirrors index exactly) ─────────────────── */
:root {
  --ink:        #0D1117;
  --ink-dim:    #6B7280;
  --surface:    #FFFFFF;
  --panel:      #F4F5F6;
  --dark:       #0F1B2D;
  --navy:       #1A3A5C;
  --blue:       #2563AE;
  --sky:        #5BA8D9;
  --lime:       #C8E84A;
  --lime-dark:  #A8C832;
  --border-l:   #E5E7EB;
  --radius:     12px;
  --radius-lg:  18px;
  --nav-h:      56px;

  /* ── motion tokens (same as index) ── */
  --ease-out-expo: cubic-bezier(.16,1,.3,1);
  --ease-spring:   cubic-bezier(.34,1.56,.64,1);
  --ease-gentle:   cubic-bezier(.25,.46,.45,.94);
}

/* ─── RESET ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans', sans-serif;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img, video { display: block; width: 100%; }
ul { list-style: none; }

/* ─── NAV ────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: var(--nav-h);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-l);
  transition: box-shadow .3s var(--ease-out-expo);
}
nav.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,.07);
}

.nav-left { display: flex; align-items: center; gap: 20px; }
.nav-logo {
  font-family: 'Noto Sans', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.3px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity .2s;
}
.nav-logo:hover { opacity: .75; }
.nav-logo span {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2px solid var(--ink);
  border-radius: 4px;
}
.nav-status { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-dim); }
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22C55E;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 14px;
  color: var(--ink-dim);
  transition: color .2s;
}

/* Lime underline — plain links only, NOT .nav-cta */
.nav-links a:not(.nav-cta) {
  position: relative;
  padding-bottom: 2px;
}
.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1.5px;
  background: var(--lime-dark);
  border-radius: 2px;
  transition: width .25s var(--ease-out-expo);
}
.nav-links a:not(.nav-cta):hover        { color: var(--ink); }
.nav-links a:not(.nav-cta):hover::after { width: 100%; }

.nav-active {
  font-weight: 600;
  color: var(--ink) !important;
}
.nav-active:not(.nav-cta)::after { width: 100% !important; }

/* Contact CTA — grey pill, black text */
.nav-cta {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  background: #d0d0d0;
  color: #000 !important;
  border-radius: 8px;
  transition: background .2s, transform .15s;
}
.nav-cta:hover { background: #e1e1e1; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s var(--ease-out-expo), opacity .2s;
}

/* Hamburger → X when open */
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border-l);
  padding: 20px 32px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-6px);
  opacity: 0;
  transition: transform .25s var(--ease-out-expo), opacity .2s;
}
.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu a {
  font-size: 16px;
  color: var(--ink-dim);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-l);
  transition: color .2s;
}
.mobile-menu a:hover { color: var(--ink); }
.mobile-menu a:last-child { border-bottom: none; }

/* ─── PAGE LAYOUT ────────────────────────────────────── */
.process-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--nav-h));
  padding-top: var(--nav-h);
}

/* ─────────────────────────────────────────────────────────
   LEFT PANEL
   ───────────────────────────────────────────────────────── */
.process-left {
  background: var(--surface);
  border-right: 1px solid var(--border-l);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,.1) transparent;
}
.process-left::-webkit-scrollbar { width: 3px; }
.process-left::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,.1);
  border-radius: 2px;
}

/* ── Toggle ──────────────────────────────────────────── */
.process-toggle-wrap {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 20px 44px 16px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-l);
}
.process-toggle {
  display: flex;
  gap: 0;
  background: var(--panel);
  border: 1px solid var(--border-l);
  border-radius: 10px;
  padding: 4px;
  width: fit-content;
}
.ptoggle-btn {
  font-family: 'Noto Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-dim);
  background: transparent;
  border: none;
  border-radius: 7px;
  padding: 9px 20px;
  cursor: pointer;
  transition: background .25s var(--ease-gentle), color .25s, box-shadow .25s;
  letter-spacing: .1px;
}
.ptoggle-btn:hover { color: var(--ink); }
.ptoggle-btn--active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 6px rgba(0,0,0,.1);
}

/* ── Steps track ─────────────────────────────────────── */
.steps-track {
  position: relative;
  padding: 36px 44px 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
  z-index: 1;
}
.steps-track--hidden { display: none; }

/* Vertical connector */
.step-connector {
  position: absolute;
  left: calc(44px + 20px);
  top: 36px;
  bottom: 48px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    rgba(37,99,174,.0)  0%,
    rgba(37,99,174,.4) 15%,
    var(--lime-dark)   50%,
    rgba(37,99,174,.4) 85%,
    rgba(37,99,174,.0) 100%
  );
  border-radius: 2px;
}

/* ── Individual step ─────────────────────────────────── */
.step {
  display: flex;
  gap: 0;
  position: relative;
  padding-bottom: 44px;
  cursor: default;
}
.step:last-child { padding-bottom: 0; }

/* Step number + dot */
.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 42px;
  flex-shrink: 0;
  padding-top: 2px;
}
.step-num {
  font-family: 'Noto Sans', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 6px;
}
.step-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--blue);
  transition: border-color .25s, background .25s, transform .25s var(--ease-spring);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.step:hover .step-dot {
  border-color: var(--lime-dark);
  background: var(--lime-dark);
  transform: scale(1.3);
}

/* Step body: icon + content */
.step-body {
  flex: 1;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-left: 20px;
}

/* Icon box */
.step-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border-l);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-dim);
  flex-shrink: 0;
  transition:
    background .25s var(--ease-gentle),
    border-color .25s,
    color .25s,
    transform .25s var(--ease-spring);
}
.step:hover .step-icon {
  background: rgba(37,99,174,.07);
  border-color: rgba(37,99,174,.3);
  color: var(--blue);
  transform: scale(1.06);
}

/* Content */
.step-content { flex: 1; }

.step-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.step-title {
  font-family: 'Noto Sans', sans-serif;
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.3px;
  line-height: 1;
  transition: color .2s;
}
.step:hover .step-title { color: var(--navy); }

/* Output badge */
.step-output {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  background: rgba(37,99,174,.07);
  border: 1px solid rgba(37,99,174,.2);
  border-radius: 20px;
  padding: 3px 10px;
  letter-spacing: .3px;
  text-transform: uppercase;
  white-space: nowrap;
}

.step-desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-dim);
  transition: color .25s;
}
.step:hover .step-desc { color: var(--ink); }

/* ─── RIGHT PANEL ────────────────────────────────────── */
.process-right {
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  background: var(--panel);
  border-left: 1px solid var(--border-l);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.process-right-inner {
  padding: 52px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  width: 100%;
  height: 100%;
}

.process-right-content { display: flex; flex-direction: column; gap: 0; }

.process-eyebrow {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--blue);
  margin-bottom: 12px;
}

.process-heading {
  font-family: 'Noto Sans', sans-serif;
  font-size: clamp(26px, 3.2vw, 42px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.process-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
  margin-bottom: 14px;
  max-width: 380px;
}
.process-body:last-of-type { margin-bottom: 24px; }

.process-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  background: var(--lime);
  color: var(--ink);
  font-family: 'Noto Sans', sans-serif;
  font-size: clamp(1rem, 4vw, 1.75rem);
  font-weight: 600;
  border-radius: 10px;
  transition: background .2s, transform .2s var(--ease-spring), box-shadow .2s;
  align-self: flex-start;
}
.process-cta:hover {
  background: var(--lime-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168,200,50,.3);
}
.process-cta:active { transform: translateY(0); }

/* ─── CARDS GRID ─────────────────────────────────────── */
.process-cards-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-items: stretch;
}

/* Individual card */
.pcard {
  background: var(--surface);
  border: 1px solid var(--border-l);
  border-radius: var(--radius);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  box-shadow: 0 0 0 rgba(0,0,0,0);
  transition:
    box-shadow .3s var(--ease-gentle),
    transform  .3s var(--ease-gentle),
    border-color .25s;
}
.pcard:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,.09);
  transform: translateY(-3px);
  border-color: transparent;
}
.pcard:active { transform: translateY(-1px); }

/* Accent card (Calendly) */
.pcard--accent {
  background: #FAFFFE;
  border-color: rgba(200,232,74,.35);
}
.pcard--accent:hover {
  border-color: transparent;
  box-shadow: 0 8px 28px rgba(168,200,50,.18);
}

/* Card icon */
.pcard-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 2px;
  transition: transform .25s var(--ease-spring);
}
.pcard:hover .pcard-icon { transform: scale(1.08); }

.pcard-icon--research {
  background: rgba(37,99,174,.08);
  color: var(--blue);
  border: 1px solid rgba(37,99,174,.15);
}
.pcard-icon--ai {
  background: rgba(124,58,237,.08);
  color: #7C3AED;
  border: 1px solid rgba(124,58,237,.15);
}
.pcard-icon--design {
  background: rgba(91,168,217,.1);
  color: var(--sky);
  border: 1px solid rgba(91,168,217,.2);
}
.pcard-icon--calendly {
  background: rgba(168,200,50,.12);
  color: var(--lime-dark);
  border: 1px solid rgba(168,200,50,.25);
}

/* Label */
.pcard-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--ink-dim);
}

/* Card title */
.pcard-title {
  font-family: 'Noto Sans', sans-serif;
  font-size: 1.25em;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.2px;
  line-height: 1.2;
  margin-top: -4px;
}

/* Card description */
.pcard-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-dim);
  flex: 1;
}

/* Card button */
.pcard-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  font-family: 'Noto Sans', sans-serif;
  font-size: 1.25em;
  font-weight: 600;
  border-radius: 8px;
  text-align: center;
  white-space: nowrap;
  transition: background .2s, transform .15s var(--ease-spring);
  margin-top: 4px;
}

.pcard-btn--blue {
  background: var(--blue);
  color: #fff;
}
.pcard:hover .pcard-btn--blue { background: var(--navy); }

.pcard-btn--lime {
  background: var(--lime);
  color: var(--ink);
}
.pcard:hover .pcard-btn--lime { background: var(--lime-dark); }

/* ─── FOOTER ─────────────────────────────────────────── */
.process-footer {
  padding: 32px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border-l);
}
.footer-copy { font-size: 12px; color: var(--ink-dim); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 12px; color: var(--ink-dim); transition: color .2s; }
.footer-links a:hover { color: var(--ink); }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   960 → 768 → 480
   ═══════════════════════════════════════════════════════ */

@media (max-width: 960px) {
  .process-layout { grid-template-columns: 1fr; }

  .process-right { order: -1; }
  .process-left  { order:  1; }

  .process-right {
    position: relative;
    top: auto;
    height: auto;
    border-left: none;
    border-top: 1px solid var(--border-l);
    border-bottom: 1px solid var(--border-l);
    background: var(--panel);
    overflow: visible;
    align-items: flex-start;
  }
  .process-right-inner {
    padding: 40px 36px;
    height: auto;
    gap: 24px;
  }

  .process-cards-grid {
    flex: none;
    grid-template-columns: repeat(3, 1fr);
    min-height: 0;
  }

  .process-footer { padding: 24px 36px; }
}

@media (max-width: 820px) {
  .process-cards-grid {display: none;}
}

@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links, .nav-status, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .process-toggle-wrap { padding: 16px 24px 12px; }
  .steps-track { padding: 28px 24px 40px; }
  .step-connector { left: calc(24px + 20px); }

  .step:hover .step-icon { transform: none; }

  .process-right-inner { padding: 32px 24px; }

  .process-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .process-footer {
    padding: 20px 24px;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .step-body   { gap: 10px; padding-left: 14px; }
  .step-icon   { width: 34px; height: 34px; }
  .step-title  { font-size: 16px; }
  .step-desc   { font-size: 14px; }
  .process-heading { font-size: 24px; }
  .ptoggle-btn { padding: 8px 14px; font-size: 12px; }
  .process-footer { padding: 20px; }

  .process-cards-grid { grid-template-columns: 1fr; }

  .pcard {
    flex-direction: column;
    gap: 8px;
  }
  .pcard-icon   { flex-shrink: 0; }
  .pcard-label  { width: 100%; }
  .pcard-title  { width: 100%; margin-top: 0; }
  .pcard-desc   { width: 100%; }
  .pcard-btn    { width: 100%; }
}