/* ============================================================
   Blockchain Biz — Lovable Design System
   blockchain-development-company.biz
   ============================================================ */

/* ── Custom properties ─────────────────────────────────────── */
:root {
  --cream:         #f7f4ed;
  --cream-light:   #fcfbf8;
  --charcoal:      #1c1c1c;
  --muted:         #5f5f5d;
  --border-light:  #eceae4;
  --border-active: rgba(28,28,28,0.4);
  --charcoal-82:   rgba(28,28,28,0.82);
  --charcoal-40:   rgba(28,28,28,0.4);
  --charcoal-04:   rgba(28,28,28,0.04);
  --charcoal-03:   rgba(28,28,28,0.03);
  --violet:        #7C3AED;
  --pink:          #EC4899;
  --coral:         #F97316;
  --focus-shadow:  rgba(0,0,0,0.1) 0 4px 12px;
  --btn-inset:     rgba(255,255,255,0.2) 0 0.5px 0 0 inset,
                   rgba(0,0,0,0.2) 0 0 0 0.5px inset,
                   rgba(0,0,0,0.05) 0 1px 2px 0;
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     16px;
  --radius-pill:   9999px;
  --font:          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                   Helvetica, Arial, sans-serif;
  --max-w:         1200px;
}

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

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

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--charcoal);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--charcoal); text-decoration: underline; }
a:hover { opacity: 0.75; }
ul, ol { list-style: none; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 {
  color: var(--charcoal);
  line-height: 1.05;
  font-weight: 600;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); letter-spacing: -1.5px; }
h2 { font-size: clamp(1.75rem, 3.5vw, 3rem);  letter-spacing: -1.2px; }
h3 { font-size: clamp(1.25rem, 2.5vw, 2.25rem); letter-spacing: -0.9px; }
h4 { font-size: 1.25rem; letter-spacing: 0; line-height: 1.25; font-weight: 400; }
p  { color: var(--charcoal-82); line-height: 1.6; }

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--violet);
  background: rgba(124,58,237,0.08);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
  text-decoration: none;
}

.lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ── Layout helpers ────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) { .container { padding: 0 2.5rem; } }
@media (min-width: 1280px) { .container { padding: 0 3rem; } }

.section { padding: 5rem 0; }
@media (min-width: 768px) { .section { padding: 7rem 0; } }

.section-header {
  max-width: 720px;
  margin-bottom: 3.5rem;
}
.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-header p { margin-top: 1rem; }

.grid-2 { display: grid; gap: 1.5rem; }
.grid-3 { display: grid; gap: 1.5rem; }

@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 400;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}
.btn:active { opacity: 0.8; }
.btn:focus-visible { outline: none; box-shadow: var(--focus-shadow); }

.btn-primary {
  background: var(--charcoal);
  color: var(--cream-light);
  box-shadow: var(--btn-inset);
}
.btn-outline {
  background: transparent;
  color: var(--charcoal);
  border: 1px solid var(--border-active);
}
.btn-gradient {
  background: linear-gradient(135deg, var(--violet), var(--pink));
  color: #fff;
  box-shadow: var(--btn-inset);
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--violet), var(--pink));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}
.card-icon svg { width: 22px; height: 22px; }

.card h4 { margin-bottom: 0.5rem; }
.card p  { font-size: 0.9375rem; color: var(--muted); }

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--cream);
  border-bottom: 1px solid var(--border-light);
  padding: 0.875rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--charcoal);
  flex-shrink: 0;
}

.nav__brand-mark {
  width: 28px;
  height: 28px;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav__links a {
  font-size: 0.9375rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.nav__links a:hover { color: var(--charcoal); }

.nav__cta { margin-left: auto; }

.nav__hamburger {
  background: none;
  border: 1px solid var(--border-active);
  border-radius: var(--radius-sm);
  width: 38px;
  height: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}
.nav__hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-light);
  margin-top: 0.5rem;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  padding: 0.625rem 0;
  font-size: 1rem;
  color: var(--charcoal);
  text-decoration: none;
  border-bottom: 1px solid var(--border-light);
}

@media (min-width: 768px) {
  .nav__links   { display: flex; }
  .nav__hamburger { display: none; }
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 40%, rgba(124,58,237,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(236,72,153,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 60% 10%, rgba(249,115,22,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

.hero__content { max-width: 640px; }
.hero__content .eyebrow { margin-bottom: 1.25rem; }
.hero__content h1 { margin-bottom: 1.25rem; }
.hero__content .lead { margin-bottom: 2rem; max-width: 540px; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero__visual {
  display: none;
}

@media (min-width: 1024px) {
  .hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* DAO round-table brand visual */
.dao-visual {
  position: relative;
  width: 340px;
  height: 340px;
}

/* ── How DAO flow section ──────────────────────────────────── */
.flow-steps {
  display: grid;
  gap: 2rem;
  counter-reset: step;
}

@media (min-width: 768px) {
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
}

.flow-step {
  counter-increment: step;
  position: relative;
  padding-left: 3.5rem;
}

.flow-step::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--violet), var(--pink));
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-step h4 { margin-bottom: 0.5rem; color: var(--charcoal); }
.flow-step p  { font-size: 0.9375rem; color: var(--muted); }

/* ── Stats ─────────────────────────────────────────────────── */
.stats { background: var(--charcoal); color: var(--cream-light); }

.stats .section-header { color: var(--cream-light); }
.stats .section-header h2 { color: var(--cream-light); }
.stats .section-header p  { color: rgba(252,251,248,0.65); }

.stats-entity {
  font-size: 1rem;
  color: rgba(252,251,248,0.8);
  max-width: 760px;
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.stats-provenance {
  font-size: 0.8125rem;
  color: rgba(252,251,248,0.45);
  margin-top: 2.5rem;
  border-top: 1px solid rgba(252,251,248,0.1);
  padding-top: 1rem;
}

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

@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

.stat-item { text-align: center; }
.stat-item .num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -1.2px;
  line-height: 1;
  color: var(--cream-light);
  margin-bottom: 0.375rem;
}
.stat-item .num span {
  background: linear-gradient(90deg, #a78bfa, #f9a8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item p { font-size: 0.875rem; color: rgba(252,251,248,0.55); }

/* ── Who we build for ──────────────────────────────────────── */
.audience-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 640px) { .audience-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .audience-grid { grid-template-columns: repeat(3, 1fr); } }

.audience-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.audience-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--charcoal-04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}
.audience-card h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.audience-card p  { font-size: 0.875rem; color: var(--muted); }

/* ── Pricing ────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }

.pricing-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pricing-card.featured {
  border-color: var(--violet);
  background: rgba(124,58,237,0.03);
  position: relative;
}
.pricing-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--violet);
  background: rgba(124,58,237,0.1);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  margin-bottom: 0.25rem;
}
.pricing-card h4 { font-size: 1.125rem; font-weight: 600; }
.pricing-price {
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.8px;
  color: var(--charcoal);
}
.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--muted); }
.pricing-card p  { font-size: 0.9375rem; color: var(--muted); flex: 1; }
.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.pricing-features li {
  font-size: 0.9rem;
  color: var(--muted);
  padding-left: 1.25rem;
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--violet);
  font-weight: 700;
}

/* ── Comparison table ──────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  min-width: 560px;
}
thead th {
  background: var(--charcoal);
  color: var(--cream-light);
  padding: 0.875rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
}
thead th:first-child { border-radius: 0; }
tbody tr:nth-child(even) { background: var(--charcoal-03); }
tbody td {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }
.check  { color: #16a34a; font-weight: 700; }
.cross  { color: #dc2626; font-weight: 700; }
.warn   { color: #d97706; }

/* ── Case studies ──────────────────────────────────────────── */
.case-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) { .case-grid { grid-template-columns: repeat(3, 1fr); } }

.case-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}
.case-metric {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.8px;
  color: var(--violet);
  line-height: 1;
}
.case-card h4 { font-size: 1.0625rem; font-weight: 600; }
.case-card p  { font-size: 0.9375rem; color: var(--muted); flex: 1; }
.case-detail {
  font-size: 0.8125rem;
  color: var(--muted);
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-light);
}

/* ── Delivery path ─────────────────────────────────────────── */
.delivery-steps {
  display: grid;
  gap: 0;
}
@media (min-width: 768px) { .delivery-steps { grid-template-columns: repeat(4, 1fr); gap: 0; } }

.delivery-step {
  padding: 2rem 1.5rem;
  border: 1px solid var(--border-light);
  position: relative;
}
.delivery-step:not(:last-child) { margin-bottom: -1px; }
@media (min-width: 768px) {
  .delivery-step:not(:last-child) { margin-bottom: 0; margin-right: -1px; }
}

.step-num {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -1px;
  color: rgba(124,58,237,0.15);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.delivery-step h4 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.delivery-step p  { font-size: 0.875rem; color: var(--muted); }

/* ── Founder ────────────────────────────────────────────────── */
.founder-block {
  display: grid;
  gap: 3rem;
  align-items: start;
}
@media (min-width: 768px) { .founder-block { grid-template-columns: 200px 1fr; } }

.founder-avatar {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--violet), var(--pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -1px;
  flex-shrink: 0;
}
.founder-name { font-size: 1.5rem; font-weight: 600; margin-bottom: 0.25rem; }
.founder-title { font-size: 0.9375rem; color: var(--muted); margin-bottom: 0.5rem; }
.founder-creds {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.founder-cred {
  font-size: 0.8125rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  color: var(--muted);
}
.founder-bio { margin-bottom: 1.25rem; }
.founder-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.9375rem;
  color: var(--violet);
  text-decoration: none;
  font-weight: 500;
}
.founder-link:hover { opacity: 0.75; }

.reviewed-notice {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

/* ── Research note ─────────────────────────────────────────── */
.research-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) { .research-card { grid-template-columns: 1fr 1fr; } }

.research-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 1rem;
}
.research-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 1rem; letter-spacing: -0.3px; }
.research-card p  { font-size: 0.9375rem; color: var(--muted); margin-bottom: 1rem; }
.research-findings { display: flex; flex-direction: column; gap: 0.75rem; }
.research-finding {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--charcoal-03);
  border-radius: var(--radius-sm);
}
.finding-num {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--violet);
  white-space: nowrap;
  flex-shrink: 0;
}
.finding-label { font-size: 0.875rem; color: var(--muted); line-height: 1.4; }

/* ── Testimonials ───────────────────────────────────────────── */
.testimonial-grid {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 640px) { .testimonial-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .testimonial-grid { grid-template-columns: repeat(3, 1fr); } }

.testimonial-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.testimonial-stars {
  display: flex;
  gap: 3px;
  color: #f59e0b;
  font-size: 0.875rem;
}
blockquote {
  font-size: 0.9375rem;
  color: var(--charcoal-82);
  line-height: 1.6;
  flex: 1;
}
.testimonial-author { margin-top: auto; }
.testimonial-author strong { font-size: 0.9375rem; display: block; }
.testimonial-author span  { font-size: 0.8125rem; color: var(--muted); }

/* ── Certifications ─────────────────────────────────────────── */
.certs-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) { .certs-grid { grid-template-columns: repeat(4, 1fr); } }

.cert-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}
.cert-card .cert-name { font-size: 0.875rem; font-weight: 600; color: var(--charcoal); margin-bottom: 0.25rem; }
.cert-card .cert-detail { font-size: 0.75rem; color: var(--muted); line-height: 1.4; }
.cert-score {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.4px;
  color: var(--violet);
  margin-bottom: 0.25rem;
}

/* ── Press ──────────────────────────────────────────────────── */
.press-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .press-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .press-grid { grid-template-columns: repeat(5, 1fr); } }

.press-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.press-card .pub-name { font-size: 0.875rem; font-weight: 600; color: var(--charcoal); }
.press-card .pub-topic { font-size: 0.75rem; color: var(--muted); }

/* ── FAQ ────────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-item:last-child { border-bottom: none; }

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  text-align: left;
  transition: background 0.15s;
}
.faq-q:hover { background: var(--charcoal-03); }
.faq-q[aria-expanded="true"] { background: var(--charcoal-04); }

.faq-icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-pill);
  background: var(--charcoal-04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1;
  color: var(--muted);
  transition: transform 0.2s;
}
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-a {
  display: none;
  padding: 0 1.5rem 1.25rem;
}
.faq-a.open { display: block; }
.faq-a p { font-size: 0.9375rem; color: var(--muted); line-height: 1.6; }

/* ── Glossary ───────────────────────────────────────────────── */
.glossary-details {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.glossary-details summary {
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  user-select: none;
}
.glossary-details summary::-webkit-details-marker { display: none; }
.glossary-toggle {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--charcoal-04);
  border-radius: var(--radius-pill);
  font-size: 1rem;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.glossary-details[open] .glossary-toggle { transform: rotate(45deg); }

.glossary-body {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--border-light);
}
.glossary-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}
@media (min-width: 640px) { .glossary-grid { grid-template-columns: repeat(2, 1fr); } }

.gloss-item { padding: 1rem; background: var(--charcoal-03); border-radius: var(--radius-sm); }
.gloss-term { font-weight: 600; font-size: 0.9375rem; margin-bottom: 0.25rem; }
.gloss-def  { font-size: 0.875rem; color: var(--muted); line-height: 1.5; }

/* ── Contact & policies ─────────────────────────────────────── */
.contact-details {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 3rem;
}
.contact-details summary {
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.contact-details summary::-webkit-details-marker { display: none; }
.contact-details[open] .glossary-toggle { transform: rotate(45deg); }
.contact-body {
  padding: 1.5rem;
  border-top: 1px solid var(--border-light);
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) { .contact-body { grid-template-columns: 1fr 1fr; } }
.contact-col h4 { font-size: 0.9375rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--charcoal); }
.contact-col p, .contact-col li { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }
.contact-col li a { color: var(--muted); }
.contact-col li { margin-bottom: 0.375rem; }

.policy-section { margin-top: 1.5rem; }
.policy-section h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; }
.policy-section p  { font-size: 0.8125rem; color: var(--muted); line-height: 1.6; }

/* ── Contact CTA section ────────────────────────────────────── */
.contact-cta {
  text-align: center;
  padding: 5rem 0;
}
.contact-cta h2 { margin-bottom: 1rem; }
.contact-cta .lead { max-width: 520px; margin: 0 auto 2rem; }
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--charcoal);
  color: var(--cream-light);
  padding: 4rem 0 2rem;
}

.footer__inner {
  display: grid;
  gap: 3rem;
}
@media (min-width: 768px) { .footer__inner { grid-template-columns: 1.5fr repeat(3, 1fr); } }

.footer__brand { max-width: 260px; }
.footer__brand-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--cream-light);
  margin-bottom: 0.75rem;
  display: block;
}
.footer__brand-desc { font-size: 0.875rem; color: rgba(252,251,248,0.5); line-height: 1.6; }

.footer__col h5 {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: rgba(252,251,248,0.45);
  margin-bottom: 1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer__col ul li a {
  font-size: 0.9rem;
  color: rgba(252,251,248,0.65);
  text-decoration: none;
  transition: color 0.15s;
}
.footer__col ul li a:hover { color: var(--cream-light); }

.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(252,251,248,0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: rgba(252,251,248,0.35);
}
@media (min-width: 640px) {
  .footer__bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ── Reveal animations ──────────────────────────────────────── */
.reveal-init {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal-init.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-init,
  .reveal-init.visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Utility ────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-violet { color: var(--violet); }
.mt-xs  { margin-top: 0.5rem; }
.mt-sm  { margin-top: 1rem; }
.mt-md  { margin-top: 1.5rem; }
.mt-lg  { margin-top: 2.5rem; }
.mb-sm  { margin-bottom: 0.75rem; }
.divider { border: none; border-top: 1px solid var(--border-light); margin: 3rem 0; }

/* ── At-a-glance + On-this-page ─────────────────────────────── */
.glance-row {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .glance-row { grid-template-columns: 1fr 320px; align-items: start; }
}

.glance-box {
  border: 1px solid var(--violet);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  background: rgba(124,58,237,0.03);
}
.glance-box__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.glance-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  list-style: none;
}
.glance-list li {
  font-size: 0.9375rem;
  color: var(--charcoal-82);
  line-height: 1.5;
  padding-left: 1.25rem;
  position: relative;
}
.glance-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--violet);
  font-weight: 700;
}

.page-nav {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  background: var(--cream);
}
.page-nav__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.page-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  counter-reset: nav-item;
}
.page-nav__list li {
  counter-increment: nav-item;
}
.page-nav__list li a {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.page-nav__list li a::before {
  content: counter(nav-item, decimal-leading-zero);
  font-size: 0.7rem;
  color: var(--violet);
  font-weight: 600;
  flex-shrink: 0;
}
.page-nav__list li a:hover { color: var(--charcoal); }

/* ── Tech stack matrix ──────────────────────────────────────── */
.stack-matrix {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.stack-group {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.stack-group__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--charcoal-03);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.stack-row-grid {
  display: grid;
  gap: 0;
}
@media (min-width: 640px) { .stack-row-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .stack-row-grid { grid-template-columns: repeat(3, 1fr); } }

.stack-item {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.stack-item:last-child { border-bottom: none; }
@media (min-width: 640px) {
  .stack-item:nth-last-child(-n+2) { border-bottom: none; }
}
@media (min-width: 1024px) {
  .stack-item:nth-last-child(-n+3) { border-bottom: none; }
}

.stack-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--charcoal);
}
.stack-note {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ── Security section ───────────────────────────────────────── */
.security-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.security-item {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}
.security-item:last-child { border-bottom: none; }

.security-item__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.375rem;
}
.security-item__name a {
  color: var(--violet);
  text-decoration: underline;
}
.security-item__desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.track-record-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
}

.track-item {
  padding: 1rem 1.125rem;
  background: var(--charcoal-04);
  border-radius: var(--radius-sm);
}
.track-num {
  font-size: 1.625rem;
  font-weight: 600;
  letter-spacing: -0.6px;
  color: var(--violet);
  line-height: 1;
  margin-bottom: 0.375rem;
}
.track-label {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.4;
}

.security-approach { }

/* ── Cost drivers ───────────────────────────────────────────── */
.cost-drivers-grid {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) { .cost-drivers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cost-drivers-grid { grid-template-columns: repeat(3, 1fr); } }

.cost-driver-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
}
.cost-driver-num {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.8px;
  color: rgba(124,58,237,0.15);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.cost-driver-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}
.cost-driver-card p { font-size: 0.9rem; color: var(--muted); }

/* ── AI dynamics ────────────────────────────────────────────── */
.ai-dynamics {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ai-dynamic {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}
.ai-dynamic:last-child { border-bottom: none; }
.ai-dynamic__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.375rem;
}
.ai-dynamic p { font-size: 0.875rem; color: var(--muted); }

/* ── Ecosystem integrations ─────────────────────────────────── */
.eco-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) { .eco-grid { grid-template-columns: repeat(2, 1fr); } }

.eco-category {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.eco-category__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--charcoal-03);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.eco-items { display: flex; flex-direction: column; }

.eco-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  text-decoration: none;
  transition: background 0.15s;
}
.eco-item:last-child { border-bottom: none; }
.eco-item:hover { background: var(--charcoal-03); }

.eco-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--violet);
}
.eco-desc {
  font-size: 0.8125rem;
  color: var(--muted);
}

/* ── Team roles ─────────────────────────────────────────────── */
.roles-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.role-item {
  padding: 1.125rem 1.375rem;
  border-bottom: 1px solid var(--border-light);
}
.role-item:last-child { border-bottom: none; }

.role-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.375rem;
}
.role-item p { font-size: 0.875rem; color: var(--muted); }

/* ── Guarantees ─────────────────────────────────────────────── */
.guarantee-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.guarantee-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.guarantee-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: rgba(22,163,74,0.1);
  color: #16a34a;
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.guarantee-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.375rem;
}
.guarantee-item p { font-size: 0.9rem; color: var(--muted); }

/* ── Buyer criteria ─────────────────────────────────────────── */
.buyer-criteria {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.buyer-criterion {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border-light);
  align-items: flex-start;
}
.buyer-criterion:last-child { border-bottom: none; }

.buyer-criterion__num {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.6px;
  color: rgba(124,58,237,0.18);
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
  text-align: right;
}

.buyer-criterion__q {
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
  letter-spacing: -0.1px;
}
.buyer-criterion p { font-size: 0.9rem; color: var(--muted); }