/* ============================================================
   SYNAPTIVE — Main Stylesheet
   ============================================================ */

:root {
  --bg:          #F9F7F4;
  --bg-alt:      #F0EDE8;
  --bg-dark:     #0D0D0D;
  --bg-dark2:    #141414;
  --text:        #0D0D0D;
  --text-muted:  #5C5C5C;
  --text-light:  #F9F7F4;
  --text-light2: rgba(249,247,244,0.65);
  --accent:      #cb8e7e;
  --accent-dim:  rgba(203,142,126,0.12);
  --accent-glow: rgba(203,142,126,0.35);
  --border:      rgba(13,13,13,0.10);
  --border-light:rgba(249,247,244,0.12);

  --font-sans:   'Inter', system-ui, sans-serif;
  --font-serif:  'Instrument Serif', Georgia, serif;

  --max-w: 1160px;
  --nav-h: 68px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; font: inherit; }

/* ── Utilities ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.eyebrow-light { color: rgba(203,142,126,0.9); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #b8735e;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--text);
  transform: translateY(-1px);
}
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAV
   ============================================================ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(249,247,244,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s;
}
#nav.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.06); }

.nav-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  display: flex;
  align-items: center;
}
.logo-img {
  height: 40px;
  width: 40px;
  object-fit: contain;
}
.logo-text {
  margin-left: 0.5rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

/* Problem section image */
.problem-figure {
  margin-top: 3rem;
  text-align: center;
}
.problem-img {
  max-width: 100%;
  width: 700px;
  border-radius: 12px;
  background: #fff;
  padding: 1.5rem;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.problem-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.footer-logo-text {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}
.nav-links a {
  padding: 0.45rem 0.85rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.15s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-alt); }
.nav-links a.active {
  color: var(--text);
  background: rgba(13,13,13,0.08);
  font-weight: 600;
}
.nav-links .nav-cta {
  background: var(--accent);
  color: #fff;
  margin-left: 0.5rem;
}
.nav-links .nav-cta:hover { background: #b8735e; color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
  max-width: var(--max-w);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-headline em {
  font-style: normal;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 48ch;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 440px;
}
.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid;
}
.ring-1 {
  width: 280px; height: 280px;
  border-color: var(--accent);
  opacity: 0.15;
  animation: pulse-ring 3s ease-in-out infinite;
}
.ring-2 {
  width: 380px; height: 380px;
  border-color: var(--accent);
  opacity: 0.08;
  animation: pulse-ring 3s ease-in-out 0.6s infinite;
}
.ring-3 {
  width: 480px; height: 480px;
  border-color: var(--accent);
  opacity: 0.04;
  animation: pulse-ring 3s ease-in-out 1.2s infinite;
}
.hero-dot-grid {
  position: absolute;
  width: 200px;
  height: 200px;
  background-image: radial-gradient(circle, var(--accent) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.25;
  border-radius: 50%;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.15; }
  50%       { transform: scale(1.04); opacity: 0.25; }
}
.ring-2 { animation-name: pulse-ring2; }
@keyframes pulse-ring2 {
  0%, 100% { transform: scale(1); opacity: 0.08; }
  50%       { transform: scale(1.04); opacity: 0.15; }
}
.ring-3 { animation-name: pulse-ring3; }
@keyframes pulse-ring3 {
  0%, 100% { transform: scale(1); opacity: 0.04; }
  50%       { transform: scale(1.04); opacity: 0.08; }
}

/* Add a central glow */
.hero-visual::after {
  content: '';
  position: absolute;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  animation: glow 3s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%       { transform: scale(1.2); opacity: 1; }
}

/* ============================================================
   STATS BAND
   ============================================================ */
.stats-band {
  background: var(--text);
  color: var(--text-light);
  padding: 4rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat { text-align: center; }
.stat-number {
  display: block;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-unit {
  font-size: 0.55em;
  font-weight: 600;
  opacity: 0.7;
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-light2);
  max-width: 20ch;
  margin-inline: auto;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.section-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}
.section-alt {
  background: var(--bg-alt);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-header-light h2 { color: var(--text-light); }

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* ============================================================
   PROBLEM
   ============================================================ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.problem-text p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.25rem;
  margin-top: 2rem;
  background: var(--accent-dim);
  border-radius: 0 8px 8px 0;
}
blockquote p, blockquote {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.6;
}
blockquote cite {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 600;
  color: var(--accent);
}

.problem-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.problem-card {
  padding: 1.5rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.2s var(--ease);
}
.problem-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-dim);
  transform: translateY(-2px);
}
.card-icon {
  width: 36px; height: 36px;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.card-icon svg { width: 100%; height: 100%; }
.problem-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.problem-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ============================================================
   SOLUTION
   ============================================================ */
.solution-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 5rem;
}
.solution-text p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-light2);
  margin-bottom: 1.25rem;
}

.solution-pillars {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.pillar {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
}
.pillar-number {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
  padding-top: 0.2rem;
}
.pillar-body { min-width: 0; }
.pillar h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.35rem;
}
.pillar p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-light2);
}

/* Timeline */
.timeline { max-width: 700px; margin-inline: auto; }
.timeline-track {
  position: relative;
  padding-left: 2rem;
}
.timeline-track::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: rgba(249,247,244,0.1);
}
.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 2px solid rgba(249,247,244,0.2);
  margin-top: 4px;
  flex-shrink: 0;
  transition: all 0.2s;
}
.timeline-dot.active {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.timeline-dot.future {
  border-color: rgba(249,247,244,0.12);
  background: transparent;
  border-style: dashed;
}
.timeline-item-future .timeline-content h4 {
  color: rgba(249,247,244,0.45);
}
.timeline-item-future .timeline-content p {
  color: rgba(249,247,244,0.3);
}
.timeline-item-future {
  opacity: 0.85;
}
.timeline-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.35rem;
}
.timeline-content p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-light2);
}

/* ============================================================
   RESEARCH
   ============================================================ */
.research-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
}
.paper-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
}
.paper-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.paper-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  background: var(--accent-dim);
  color: var(--accent);
}
.paper-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}
.paper-authors {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.paper-affiliations {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.paper-abstract {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.paper-findings {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.finding {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.finding strong {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  white-space: nowrap;
}
.finding span {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-muted);
}

.research-context h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.research-context p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

/* ============================================================
   EARLY ADOPTERS
   ============================================================ */
.section-adopters {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.adopters-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.adopters-text h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.adopters-text p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.adopters-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.adopters-list li {
  font-size: 0.925rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.adopters-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.adopters-form-wrap {
  background: var(--bg-alt);
  border: 1.5px solid rgba(203,142,126,0.2);
  border-radius: 16px;
  padding: 2rem;
}
.adopters-form-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.adopters-email-note {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.adopters-form-wrap .contact-email-list li a {
  color: var(--accent);
}
.adopters-form-wrap .contact-email-list li a:hover {
  opacity: 0.75;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  margin-top: 0.5rem;
}
.btn-accent:hover {
  background: #b8735e;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.nav-adopters {
  background: rgba(203,142,126,0.1) !important;
  color: var(--accent) !important;
  font-weight: 600 !important;
}
.nav-adopters:hover {
  background: rgba(203,142,126,0.18) !important;
}

@media (max-width: 960px) {
  .adopters-layout { grid-template-columns: 1fr; gap: 3rem; }
}

/* ============================================================
   TEAM
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.team-card {
  padding: 1.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all 0.2s var(--ease);
}
.team-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.team-card-founder {
  flex-direction: row;
  align-items: flex-start;
  gap: 1.5rem;
  background: var(--accent-dim);
  border-color: rgba(203,142,126,0.2);
}
.team-avatar {
  flex-shrink: 0;
}
.avatar-placeholder {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.team-card-founder .avatar-placeholder {
  width: 72px; height: 72px;
  font-size: 0.875rem;
}
.team-info h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.team-role {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.team-bio {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}
.contact-text p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-light2);
  margin-bottom: 1rem;
}

/* ── Shared form base ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}
.form-group textarea { resize: vertical; }
.form-success {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #3a9e6e;
}
.form-error {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #c0392b;
}

/* ── Adopters form (light bg) ── */
.adopters-form .form-group label { color: var(--text-muted); }
.adopters-form .form-group input,
.adopters-form .form-group textarea {
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--text);
}
.adopters-form .form-group input:focus,
.adopters-form .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.adopters-form .form-group input::placeholder,
.adopters-form .form-group textarea::placeholder { color: #aaa; }

/* ── Contact form (dark bg) ── */
.contact-form-wrap { width: 100%; }
.contact-form .form-group label { color: var(--text-light2); }
.contact-form .form-group input,
.contact-form .form-group textarea {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.12);
  color: var(--text-light);
}
.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.contact-form .form-group input::placeholder,
.contact-form .form-group textarea::placeholder { color: rgba(249,247,244,0.3); }
.contact-form .form-success { color: #5dcd9b; }
.contact-form .form-error   { color: #ff7b7b; }

/* Light outline button variant for dark section */
.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  color: var(--text-light);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-1px);
}

.contact-email-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-email-intro {
  color: var(--text-light2);
  font-size: 1rem;
}
.contact-email-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.contact-email-list li a {
  color: var(--text-light);
  font-size: 1rem;
  text-decoration: none;
  transition: opacity 0.15s;
}
.contact-email-list li a:hover { opacity: 0.75; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-dark2);
  padding: 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 2rem;
  justify-content: space-between;
}
.footer-brand .logo { color: var(--text-light); margin-bottom: 0.5rem; display: block; }
.footer-brand p {
  font-size: 0.825rem;
  color: var(--text-light2);
  max-width: 30ch;
  line-height: 1.5;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a {
  font-size: 0.85rem;
  color: var(--text-light2);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text-light); }
.footer-note {
  font-size: 0.775rem;
  color: rgba(249,247,244,0.3);
  line-height: 1.6;
  text-align: right;
}

/* ============================================================
   VOICES FROM THE FIELD
   ============================================================ */
.voices-intro {
  max-width: 640px;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 0.9375rem;
}

.voices-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.voices-tab {
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.voices-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.voices-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tab-count {
  background: rgba(255,255,255,0.25);
  border-radius: 999px;
  padding: 0.1em 0.55em;
  font-size: 0.72rem;
  font-weight: 700;
}
.voices-tab:not(.active) .tab-count {
  background: var(--accent-dim);
  color: var(--accent);
}
.tab-soon {
  background: var(--bg-alt);
  border-radius: 999px;
  padding: 0.1em 0.55em;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-muted);
}

.voices-panel { display: none; }
.voices-panel.active { display: block; }

.voices-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding-bottom: 1.25rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-alt);
}
.voices-track::-webkit-scrollbar { height: 5px; }
.voices-track::-webkit-scrollbar-track { background: var(--bg-alt); border-radius: 3px; }
.voices-track::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

.voices-card {
  flex: 0 0 300px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1.375rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.voices-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(203,142,126,0.15);
}
.voices-card-highlight {
  border-color: rgba(203,142,126,0.35);
  background: rgba(203,142,126,0.04);
}

.voices-card-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.voices-area {
  font-size: 0.67rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 4px;
  padding: 0.2em 0.55em;
}
.voices-system {
  font-size: 0.67rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--bg-alt);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 0.2em 0.55em;
}

.voices-quote {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text);
  border: none;
  padding: 0;
  margin: 0;
  background: none;
  flex: 1;
  quotes: "\201C" "\201D";
}
.voices-quote::before {
  content: open-quote;
  color: var(--accent);
  font-size: 1.4em;
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: 0.1em;
}
.voices-quote::after {
  content: close-quote;
  color: var(--accent);
  font-size: 1.4em;
  line-height: 0;
  vertical-align: -0.3em;
  margin-left: 0.1em;
}

.voices-impact-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}
.voices-impact-label {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.voices-impact-text {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.5;
}

.voices-solution {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3em 0.75em;
  border-radius: 999px;
  align-self: flex-start;
}
.solution-yes {
  background: rgba(72,187,120,0.1);
  color: #276749;
}
.solution-no {
  background: var(--bg-alt);
  color: var(--text-muted);
}

.voices-scroll-hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  letter-spacing: 0.04em;
}

.voices-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  gap: 1rem;
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  min-height: 260px;
  color: var(--text-muted);
}
.voices-empty h3 {
  font-size: 1.125rem;
  color: var(--text);
  margin: 0;
}
.voices-empty p {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0;
}
.voices-empty-icon { color: var(--accent); opacity: 0.5; }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
[data-reveal].revealed {
  opacity: 1;
  transform: none;
}

/* ============================================================
   FURTHER READING / EVIDENCE BASE
   ============================================================ */
.refs-narrative {
  margin: 0 0 3rem;
}
.refs-narrative p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Survey callout */
.survey-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background: var(--accent-dim);
  border: 1px solid rgba(203,142,126,0.25);
  border-radius: 16px;
  padding: 2rem 2.5rem;
  margin-bottom: 3.5rem;
}
.survey-callout-text h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.survey-callout-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 540px;
}
.survey-callout .btn {
  flex-shrink: 0;
}

/* Endorsement card */
.endorsement-card {
  background: #0D0D0D;
  background: var(--bg-dark, #0D0D0D);
  border-radius: 16px;
  padding: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}
.endorsement-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}
.endorsement-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(203,142,126,0.15);
  border: 1px solid rgba(203,142,126,0.3);
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.25rem;
}
.endorsement-quote {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-style: italic;
  color: var(--text-light);
  line-height: 1.7;
  margin: 0 0 1.5rem;
  border: none;
  padding: 0;
  background: none;
}
.endorsement-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.endorsement-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.2rem;
}
.endorsement-role {
  font-size: 0.78rem;
  color: var(--text-light2);
}
.endorsement-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.endorsement-link:hover { opacity: 0.75; }

/* Reference groups grid */
.refs-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}
.refs-group-wide {
  grid-column: span 2;
}
.refs-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.refs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 2rem;
}
.ref-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.ref-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
  line-height: 1.4;
}
.ref-link:hover { color: var(--accent); }
.ref-link-plain {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.ref-desc {
  display: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: calc(var(--nav-h) + 3rem);
    padding-bottom: 3rem;
  }
  .hero-visual { height: 300px; }
  .ring-3 { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .problem-grid  { grid-template-columns: 1fr; }
  .solution-layout { grid-template-columns: 1fr; }
  .research-layout { grid-template-columns: 1fr; }
  .contact-layout  { grid-template-columns: 1fr; gap: 3rem; }

  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .team-card-founder {
    grid-column: span 2;
    flex-direction: column;
  }

  .refs-groups { grid-template-columns: 1fr; }
  .refs-group-wide { grid-column: span 1; }
  .survey-callout { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    padding: 1rem 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 0.5rem;
  }
  .nav-links.open a { padding: 0.75rem 1rem; display: block; }
  .nav-links .nav-cta { text-align: center; margin-left: 0; }

  .stats-grid { grid-template-columns: 1fr 1fr; }

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

  .team-grid { grid-template-columns: 1fr; }
  .team-card-founder { grid-column: span 1; }

  .footer-inner { flex-direction: column; }
  .footer-note { text-align: left; }
}
