/* ============================================================
   InTouchLabs — intouchlabs.ai
   Built to InTouchNow AI Brand Book v1.0
   Brand Blue #056CF2 · Deep Blue #0456C2 · Light Tint #E7F0FE
   Charcoal #1E212B · Inter 400/500/600/700 only
   ============================================================ */

:root {
  --blue: #056cf2;
  --deep: #0456c2;
  --tint: #e7f0fe;
  --charcoal: #1e212b;
  --white: #ffffff;

  --text-body: 1.0625rem;      /* 17px */
  --text-caption: 0.8125rem;   /* 13px */
  --text-label: 0.6875rem;     /* 11px */
  --text-h3: 1.0625rem;
  --text-h2: clamp(1.5rem, 1.1rem + 1.6vw, 2.125rem);
  --text-display: clamp(2.375rem, 1.5rem + 3.6vw, 3.75rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --container: 74rem;
  --radius: 3px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(30, 33, 43, 0.06);
  --shadow-md: 0 6px 24px rgba(30, 33, 43, 0.09);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--charcoal);
  background: var(--white);
  font-feature-settings: 'cv11' 1;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--deep);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

::selection {
  background: var(--blue);
  color: var(--white);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--white);
  color: var(--deep);
  padding: var(--space-3) var(--space-4);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-4);
}

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

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Type system ---------- */
.label {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--deep);
}

h1 {
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.12;
}

h2 {
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: -0.018em;
  line-height: 1.26;
}

h3 {
  font-size: var(--text-h3);
  font-weight: 600;
  line-height: 1.36;
}

.lede {
  font-size: 1.1875rem;
  line-height: 1.55;
}

.measure {
  max-width: 42em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-blue {
  background: var(--blue);
  color: var(--white);
}
.btn-blue:hover {
  background: var(--deep);
  color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--deep);
}
.btn-white:hover {
  color: var(--deep);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: var(--white);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 33, 43, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--charcoal);
}
.brand:hover { color: var(--charcoal); }

.brand .mark {
  color: var(--blue);
  flex: none;
}

.wordmark {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.018em;
  white-space: nowrap;
}
.wordmark .dot-ai {
  color: var(--blue);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--charcoal);
}
.site-nav a:hover {
  color: var(--deep);
}

.nav-cta {
  padding: 0.625rem 1.125rem;
}
.site-nav a.nav-cta,
.site-nav a.nav-cta:hover {
  color: var(--white);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--charcoal);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--blue);
  color: var(--white);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(5rem, 12vh, 8.5rem) clamp(6rem, 14vh, 9rem);
  max-width: 54rem;
}

.hero .label {
  color: rgba(255, 255, 255, 0.55);
  display: block;
  margin-bottom: var(--space-6);
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--space-6);
  max-width: 13em;
}

.hero .lede {
  color: rgba(255, 255, 255, 0.86);
  max-width: 36em;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* squares motif — 22% white outlines, 10% intersection fill */
.hero-squares {
  position: absolute;
  z-index: 1;
  top: -4rem;
  right: -5rem;
  pointer-events: none;
}

/* decorative waveform along the hero base */
.hero-wave {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  width: 100%;
  height: clamp(4rem, 10vw, 7.5rem);
  pointer-events: none;
  opacity: 0.9;
}

/* ---------- Stat band ---------- */
.stats {
  background: var(--white);
  border-bottom: 1px solid rgba(30, 33, 43, 0.08);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  padding-block: var(--space-12);
}

.stat .stat-value {
  font-size: clamp(1.875rem, 1.4rem + 1.8vw, 2.625rem);
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.1;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.stat .stat-desc {
  margin-top: var(--space-2);
  font-size: 0.9375rem;
  color: rgba(30, 33, 43, 0.75);
  max-width: 22em;
}

/* ---------- Sections ---------- */
.section {
  padding-block: clamp(4rem, 6vw + 2rem, 7rem);
}

.section-head {
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.section-head .label {
  display: block;
  margin-bottom: var(--space-4);
}

.section-head h2 {
  max-width: 22em;
}

.section-head .lede {
  margin-top: var(--space-4);
  color: rgba(30, 33, 43, 0.78);
}

.tinted {
  background: var(--tint);
}

/* ---------- Why the lab ---------- */
.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.why-copy p + p {
  margin-top: var(--space-4);
}

.why-copy .measure {
  color: rgba(30, 33, 43, 0.85);
}

.principles {
  display: grid;
  gap: var(--space-4);
}

.principle {
  border: 1px solid rgba(5, 108, 242, 0.22);
  border-radius: var(--radius);
  padding: var(--space-6);
  background: var(--white);
}

.principle h3 {
  color: var(--deep);
  margin-bottom: var(--space-2);
}

.principle p {
  font-size: 0.9375rem;
  color: rgba(30, 33, 43, 0.78);
}

/* ---------- Research programmes ---------- */
.programmes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.programme {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(30, 33, 43, 0.1);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.programme-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.programme .icon {
  color: var(--blue);
  flex: none;
}

.programme .num {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(30, 33, 43, 0.45);
  font-variant-numeric: tabular-nums;
}

.programme h3 {
  font-size: 1.25rem;
  letter-spacing: -0.012em;
}

.programme .kicker {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--deep);
}

.programme p {
  font-size: 0.9844rem;
  color: rgba(30, 33, 43, 0.8);
}

.programme ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin-top: auto;
}

.programme li {
  font-size: 0.9063rem;
  color: rgba(30, 33, 43, 0.75);
  padding-left: 1.125rem;
  position: relative;
}

.programme li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5625rem;
  width: 0.4375rem;
  height: 0.1875rem;
  border-radius: 1px;
  background: var(--blue);
}

/* ---------- Charcoal statement band ---------- */
.statement {
  background: var(--charcoal);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.statement-inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(4.5rem, 8vw, 7rem);
  max-width: 46rem;
}

.statement .label {
  color: rgba(255, 255, 255, 0.55);
  display: block;
  margin-bottom: var(--space-4);
}

.statement h2 {
  color: var(--white);
  font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.625rem);
  margin-bottom: var(--space-6);
}

.statement p {
  color: rgba(255, 255, 255, 0.86);
  max-width: 38em;
}

.statement-wave {
  position: absolute;
  right: -2rem;
  bottom: 0;
  height: 100%;
  z-index: 1;
  opacity: 0.4;
  pointer-events: none;
}

/* ---------- Pipeline ---------- */
.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: var(--space-6);
  border-top: 2px solid rgba(5, 108, 242, 0.25);
}

.step::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  width: 3rem;
  height: 2px;
  background: var(--blue);
}

.step .step-num {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--deep);
  display: block;
  margin-bottom: var(--space-3);
}

.step h3 {
  margin-bottom: var(--space-2);
  font-size: 1.125rem;
}

.step p {
  font-size: 0.9375rem;
  color: rgba(30, 33, 43, 0.78);
}

/* ---------- Ecosystem ---------- */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.eco-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: var(--space-6);
  border: 1px solid rgba(5, 108, 242, 0.14);
}

.eco-card h3 {
  color: var(--deep);
  margin-bottom: var(--space-2);
  font-size: 1rem;
}

.eco-card p {
  font-size: 0.9063rem;
  color: rgba(30, 33, 43, 0.78);
}

.assurance {
  margin-top: var(--space-12);
  border-top: 1px solid rgba(5, 108, 242, 0.18);
  padding-top: var(--space-8);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-8);
  align-items: start;
}

.assurance h3 {
  font-size: 1.125rem;
}

.assurance p {
  font-size: 0.9375rem;
  color: rgba(30, 33, 43, 0.8);
  max-width: 46em;
}

/* ---------- Collaborate ---------- */
.collab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.collab-card {
  border: 1px solid rgba(30, 33, 43, 0.1);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.25rem);
  background: var(--white);
}

.collab-card .kicker {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--deep);
  display: block;
  margin-bottom: var(--space-3);
}

.collab-card h3 {
  font-size: 1.1875rem;
  margin-bottom: var(--space-3);
}

.collab-card p {
  font-size: 0.9375rem;
  color: rgba(30, 33, 43, 0.78);
}

.collab-cta {
  background: var(--white);
  border: 1px solid rgba(5, 108, 242, 0.18);
  border-radius: var(--radius);
  padding: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  align-items: start;
  gap: clamp(2rem, 4vw, 4rem);
}

@media (max-width: 860px) {
  .collab-cta {
    grid-template-columns: 1fr;
  }
}

.collab-direct {
  margin-top: var(--space-4);
}

.collab-direct a {
  color: var(--brand-blue);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(5, 108, 242, 0.35);
}

.collab-direct a:hover {
  border-bottom-color: var(--brand-blue);
}

.collab-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 560px) {
  .collab-form .form-row {
    grid-template-columns: 1fr;
  }
}

.form-field {
  margin-bottom: var(--space-4);
}

.form-field label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(30, 33, 43, 0.62);
  margin-bottom: var(--space-2);
}

.form-field input,
.form-field textarea {
  width: 100%;
  font: inherit;
  font-size: 0.9844rem;
  color: var(--charcoal);
  background: var(--white);
  border: 1px solid rgba(30, 33, 43, 0.18);
  border-radius: 8px;
  padding: 0.75rem 0.875rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 7rem;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(5, 108, 242, 0.16);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.collab-form button[type="submit"] {
  cursor: pointer;
  border: none;
}

.collab-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: default;
}

.form-status {
  margin-top: var(--space-3);
  font-size: 0.9219rem;
  color: var(--charcoal);
  min-height: 1.4em;
}

.form-status a {
  color: var(--brand-blue);
  font-weight: 600;
}

.collab-cta h3 {
  font-size: clamp(1.375rem, 1rem + 1.4vw, 1.875rem);
  letter-spacing: -0.018em;
  max-width: 20em;
}

.collab-cta p {
  margin-top: var(--space-2);
  font-size: 0.9844rem;
  color: rgba(30, 33, 43, 0.78);
  max-width: 34em;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.86);
}

.footer-inner {
  padding-block: var(--space-16) var(--space-8);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-12);
}

.site-footer .brand {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.site-footer .brand .mark {
  color: var(--white);
}

.site-footer .wordmark .dot-ai {
  color: rgba(255, 255, 255, 0.55);
}

.footer-desc {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  max-width: 28em;
}

.footer-col h3 {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9375rem;
}

.footer-col a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-col p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.86);
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-block: var(--space-6) var(--space-8);
  font-size: var(--text-caption);
  color: rgba(255, 255, 255, 0.55);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  justify-content: space-between;
}

/* ---------- Scroll reveals (no layout shift) ---------- */
.fade-in {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .js .fade-in {
    opacity: 0;
    transition: opacity 0.7s var(--ease-out);
  }
  .js .fade-in.is-visible {
    opacity: 1;
  }
  .hero-inner > * {
    animation: hero-enter 0.8s var(--ease-out) both;
  }
  .hero-inner > *:nth-child(2) { animation-delay: 0.08s; }
  .hero-inner > *:nth-child(3) { animation-delay: 0.16s; }
  .hero-inner > *:nth-child(4) { animation-delay: 0.24s; }
  @keyframes hero-enter {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 64rem) {
  .programmes {
    grid-template-columns: 1fr;
  }
  .pipeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .eco-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .assurance {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 46rem) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(30, 33, 43, 0.1);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4) clamp(1.25rem, 4vw, 2.5rem) var(--space-6);
    display: none;
  }
  .site-nav.open {
    display: flex;
  }
  .site-nav a {
    padding: var(--space-3) 0;
    font-size: 1.0625rem;
  }
  .site-nav .nav-cta {
    margin-top: var(--space-3);
    text-align: center;
    justify-content: center;
  }
  .nav-toggle {
    display: block;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding-block: var(--space-8);
  }
  .pipeline {
    grid-template-columns: 1fr;
  }
  .eco-grid {
    grid-template-columns: 1fr;
  }
  .collab-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero-squares {
    top: -6rem;
    right: -8rem;
    transform: scale(0.7);
    transform-origin: top right;
  }
}

/* ============================================================
   v2 additions — announcement, impact, loop, blog, article
   ============================================================ */

/* ---------- Hero announcement pill ---------- */
.announce {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius);
  padding: 0.5rem 0.875rem;
  margin-bottom: var(--space-8);
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
}
.announce:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.6);
}
.announce-tag {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--white);
  color: var(--deep);
  border-radius: 2px;
  padding: 0.125rem 0.4375rem;
}

/* ---------- Four-column stat band ---------- */
.stats-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

/* ---------- Impact section ---------- */
.impact-flag {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  background: var(--tint);
  border-radius: var(--radius);
  padding: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: var(--space-8);
}

.impact-flag-copy h3 {
  font-size: 1.375rem;
  letter-spacing: -0.012em;
  margin-bottom: var(--space-3);
}

.impact-flag-copy p {
  font-size: 0.9844rem;
  color: rgba(30, 33, 43, 0.8);
  max-width: 34em;
}

.impact-clock {
  min-width: 0;
}

.clock-strip {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 4px;
  padding-top: 1.9rem;
}

.clock-strip span {
  height: 3rem;
  border-radius: 2px;
  background: rgba(5, 108, 242, 0.4);
}

.clock-strip span.peak {
  background: var(--blue);
  position: relative;
}

.clock-strip span.peak::after {
  content: attr(data-tip);
  position: absolute;
  top: -1.7rem;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--deep);
}

.clock-scale {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(30, 33, 43, 0.5);
  font-variant-numeric: tabular-nums;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.impact-card {
  border: 1px solid rgba(30, 33, 43, 0.1);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.25rem);
  background: var(--white);
}

.impact-card .icon {
  color: var(--blue);
  margin-bottom: var(--space-4);
}

.impact-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.impact-card p {
  font-size: 0.9375rem;
  color: rgba(30, 33, 43, 0.78);
}

.lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.lang-chips span {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--deep);
  background: var(--tint);
  border-radius: 2px;
  padding: 0.25rem 0.625rem;
}

/* ---------- Research loop ---------- */
.loop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.loop-figure svg {
  width: 100%;
  max-width: 30rem;
  height: auto;
  margin-inline: auto;
}

.loop-steps {
  display: grid;
  gap: var(--space-8);
}

/* ---------- Blog teaser and post cards ---------- */
.blog-teaser {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: stretch;
}

.posts-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.post-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid rgba(30, 33, 43, 0.1);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background: var(--white);
  color: var(--charcoal);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

a.post-card:hover {
  color: var(--charcoal);
  border-color: rgba(5, 108, 242, 0.45);
  box-shadow: var(--shadow-md);
}

.post-card.soon {
  background: var(--tint);
  border-color: transparent;
}

.post-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: rgba(30, 33, 43, 0.6);
  margin-bottom: var(--space-4);
}

.post-tag {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--deep);
  background: rgba(5, 108, 242, 0.1);
  border-radius: 2px;
  padding: 0.1875rem 0.5rem;
}

.post-card.soon .post-tag {
  background: rgba(255, 255, 255, 0.85);
}

.post-card h3 {
  font-size: 1.375rem;
  letter-spacing: -0.012em;
  margin-bottom: var(--space-3);
}

.post-card p {
  font-size: 0.9375rem;
  color: rgba(30, 33, 43, 0.78);
}

.post-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--deep);
  margin-top: var(--space-6);
}

.post-more svg {
  transition: transform var(--transition-interactive);
}

a.post-card:hover .post-more svg,
a.post-more:hover svg {
  transform: translateX(3px);
}

.soon-list {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin-block: var(--space-3) var(--space-4);
}

.soon-list li {
  font-size: 0.9063rem;
  color: rgba(30, 33, 43, 0.78);
  padding-left: 1.125rem;
  position: relative;
}

.soon-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5625rem;
  width: 0.4375rem;
  height: 0.1875rem;
  border-radius: 1px;
  background: var(--blue);
}

.soon-note {
  margin-top: auto;
}

.soon-note a {
  font-weight: 600;
}

/* ---------- Collaborate card links ---------- */
.collab-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--deep);
  margin-top: var(--space-4);
}

.card-link svg {
  transition: transform var(--transition-interactive);
}

.card-link:hover svg {
  transform: translateX(3px);
}

/* ---------- Interior page hero (blog, article) ---------- */
.page-hero {
  position: relative;
  background: var(--blue);
  color: var(--white);
  overflow: hidden;
}

.page-hero .hero-squares {
  position: absolute;
  z-index: 1;
  top: -8rem;
  right: -6rem;
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(3.5rem, 8vh, 6rem);
  max-width: 54rem;
}

.page-hero .label {
  color: rgba(255, 255, 255, 0.6);
  display: block;
  margin-bottom: var(--space-4);
}

.page-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.125rem);
  margin-bottom: var(--space-4);
}

.page-hero .lede {
  color: rgba(255, 255, 255, 0.86);
  max-width: 38em;
}

/* ---------- Article ---------- */
.article-body {
  max-width: 46rem;
}

.article-body > p {
  margin-bottom: var(--space-4);
  color: rgba(30, 33, 43, 0.88);
}

.article-body h2 {
  font-size: 1.4375rem;
  margin-block: var(--space-12) var(--space-4);
}

.article-body ul {
  list-style: none;
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.article-body ul li {
  padding-left: 1.25rem;
  position: relative;
  color: rgba(30, 33, 43, 0.88);
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6875rem;
  width: 0.4375rem;
  height: 0.1875rem;
  border-radius: 1px;
  background: var(--blue);
}

.article-body a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(5, 108, 242, 0.4);
}

.article-sign {
  font-weight: 600;
  margin-top: var(--space-8);
}

.article-back {
  border-top: 1px solid rgba(30, 33, 43, 0.1);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
}

.article-back .post-more {
  margin-top: 0;
  text-decoration: none;
}

/* ---------- Responsive for v2 ---------- */
@media (max-width: 64rem) {
  .stats-grid.four {
    grid-template-columns: repeat(2, 1fr);
  }
  .impact-flag {
    grid-template-columns: 1fr;
  }
  .impact-grid {
    grid-template-columns: 1fr;
  }
  .loop-grid {
    grid-template-columns: 1fr;
  }
  .loop-figure svg {
    max-width: 24rem;
  }
  .blog-teaser,
  .posts-grid {
    grid-template-columns: 1fr;
  }
}

/* nav gains a link in v2 — switch to the toggle earlier */
@media (max-width: 56rem) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(30, 33, 43, 0.1);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4) clamp(1.25rem, 4vw, 2.5rem) var(--space-6);
    display: none;
  }
  .site-nav.open {
    display: flex;
  }
  .site-nav a {
    padding: var(--space-3) 0;
    font-size: 1.0625rem;
  }
  .site-nav .nav-cta {
    margin-top: var(--space-3);
    text-align: center;
    justify-content: center;
  }
  .nav-toggle {
    display: block;
  }
}

@media (max-width: 46rem) {
  .stats-grid.four {
    grid-template-columns: 1fr;
  }
  .announce {
    font-size: 0.8125rem;
  }
  .announce span:nth-child(2) {
    white-space: normal;
  }
  .clock-strip span {
    height: 2.25rem;
  }
}

/* ============ Method / outlier section ============ */
.method-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
}
.outlier-card {
  margin: 0;
  background: var(--blue, #056CF2);
  border-radius: 6px;
  padding: 34px 36px 26px;
  color: #FFFFFF;
  box-shadow: 0 28px 70px rgba(5, 108, 242, 0.28);
}
.oc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 26px;
}
.oc-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.oc-tag {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
}
.outlier-wave {
  width: 100%;
  height: auto;
  display: block;
  margin: 4px 0 30px;
}
.oc-copy h3 {
  font-size: clamp(21px, 2.4vw, 28px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: #FFFFFF;
  margin: 0 0 10px;
}
.oc-copy p {
  font-size: 15px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 26px;
  max-width: 46ch;
}
.oc-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 14px;
}
.oc-url {
  font-weight: 700;
  font-size: 14px;
}
.oc-arm {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}
.method-copy .label { display: block; margin-bottom: 14px; }
.method-copy h2 { margin: 0 0 18px; }
.method-copy p { margin: 0 0 16px; }

@media (max-width: 920px) {
  .method-grid { grid-template-columns: 1fr; gap: 44px; }
  .outlier-card { padding: 26px 24px 22px; }
}

/* ============ Amber hand-drawn annotations ============ */
[data-annotate] {
  position: relative;
}
.annot-svg {
  position: absolute;
  pointer-events: none;
  overflow: visible;
  z-index: 1;
  max-width: none;
  max-height: none;
}