:root {
  --collab-max-width: 1200px;
  --collab-card-bg: linear-gradient(180deg, rgba(15, 23, 42, 0.82), rgba(3, 7, 18, 0.88));
  --collab-card-border: rgba(255, 255, 255, 0.08);
  --collab-card-shadow: 0 24px 60px rgba(2, 8, 23, 0.38);
  --collab-muted-surface: rgba(15, 23, 42, 0.5);
  --collab-accent-soft: rgba(6, 182, 212, 0.12);
  --collab-accent-strong: rgba(6, 182, 212, 0.2);
  --collab-purple-soft: rgba(217, 70, 239, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  padding-top: var(--nav-height, 64px);
  background:
    radial-gradient(circle at 18% 18%, rgba(217, 70, 239, 0.12), transparent 32%),
    radial-gradient(circle at 85% 20%, rgba(6, 182, 212, 0.12), transparent 28%),
    linear-gradient(180deg, #020617 0%, #030712 38%, #02040b 100%);
  color: var(--text-primary, #f8fafc);
  font-family: var(--font-sans, 'Inter', sans-serif);
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, black 26%, transparent 82%);
  opacity: 0.42;
  pointer-events: none;
  z-index: -1;
}

.collab-main {
  width: min(100%, var(--collab-max-width));
  margin: 0 auto;
  padding: 32px 24px 88px;
  display: grid;
  gap: 24px;
}

.collab-main a {
  color: var(--brand-cyan, #06b6d4);
}

.collab-main a:hover {
  color: #67e8f9;
}

.page-hero__eyebrow {
  display: inline-flex;
}

.page-hero {
  align-items: start;
}

.page-hero__content {
  max-width: 76ch;
}

.hero-summary {
  display: grid;
  gap: 12px;
}

.hero-summary-card,
.collab-section,
.cta-band {
  position: relative;
  border: 1px solid var(--collab-card-border);
  background: var(--collab-card-bg);
  box-shadow: var(--collab-card-shadow);
  overflow: hidden;
}

.hero-summary-card {
  padding: 18px;
  border-radius: 18px;
}

.hero-summary-card::before,
.collab-section::before,
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 38%);
  pointer-events: none;
}

.hero-summary-label {
  display: block;
  margin-bottom: 8px;
  color: var(--brand-cyan, #06b6d4);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-summary-card p {
  margin: 0;
  color: var(--text-secondary, #cbd5e1);
  line-height: 1.65;
  font-size: 0.96rem;
}

.hero-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero-checklist li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  color: var(--text-secondary, #cbd5e1);
  font-size: 0.95rem;
}

.hero-checklist li::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.92) 0 24%, transparent 26%),
    linear-gradient(135deg, rgba(6, 182, 212, 0.4), rgba(217, 70, 239, 0.4));
  box-shadow: 0 0 18px rgba(6, 182, 212, 0.2);
  margin-top: 1px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
  color: #020617;
  background: linear-gradient(135deg, #f8fafc, #dbeafe);
  box-shadow: 0 14px 30px rgba(148, 163, 184, 0.18);
}

.btn-primary:hover {
  color: #020617;
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(148, 163, 184, 0.24);
}

.btn-secondary {
  color: var(--text-primary, #f8fafc);
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(15, 23, 42, 0.55);
}

.btn-secondary:hover {
  color: var(--text-primary, #f8fafc);
  border-color: rgba(6, 182, 212, 0.35);
  background: rgba(15, 23, 42, 0.78);
  transform: translateY(-1px);
}

.collab-section {
  border-radius: 24px;
  padding: 28px;
}

.section-header {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
  max-width: 76ch;
}

.section-kicker {
  color: var(--brand-cyan, #06b6d4);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-size: clamp(1.6rem, 2.4vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-copy {
  margin: 0;
  color: var(--text-secondary, #cbd5e1);
  line-height: 1.7;
  font-size: 1rem;
}

.decision-grid,
.provide-grid,
.offer-grid,
.fit-grid,
.format-grid,
.use-case-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
}

.decision-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.provide-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.offer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fit-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.format-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.use-case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.decision-card,
.provide-card,
.offer-card,
.fit-card,
.format-card,
.use-case-card,
.process-step {
  position: relative;
  padding: 20px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    rgba(2, 6, 23, 0.52);
}

.decision-card::after,
.provide-card::after,
.offer-card::after,
.fit-card::after,
.format-card::after,
.use-case-card::after,
.process-step::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.decision-card h3,
.provide-card h3,
.offer-card h3,
.fit-card h3,
.format-card h3,
.use-case-card h3,
.process-step h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  line-height: 1.25;
}

.decision-card p,
.provide-card p,
.offer-card p,
.fit-card p,
.format-card p,
.use-case-card p,
.process-step p {
  margin: 0;
  color: var(--text-secondary, #cbd5e1);
  line-height: 1.65;
  font-size: 0.95rem;
}

.provide-card {
  display: grid;
  place-items: center;
  min-height: 170px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(6, 182, 212, 0.08), transparent 56%),
    rgba(2, 6, 23, 0.55);
}

.provide-card h3 {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.2;
}

.decision-lead {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--collab-accent-soft);
  border: 1px solid var(--collab-accent-strong);
  color: var(--brand-cyan, #06b6d4);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.micro-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.micro-list li {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr);
  gap: 10px;
  color: var(--text-secondary, #cbd5e1);
  line-height: 1.55;
  font-size: 0.92rem;
}

.micro-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 0.5em;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-cyan, #06b6d4), var(--brand-purple, #d946ef));
  box-shadow: 0 0 14px rgba(6, 182, 212, 0.28);
}

.process-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.process-step {
  padding-top: 58px;
}

.process-num {
  position: absolute;
  top: 18px;
  left: 20px;
  color: rgba(248, 250, 252, 0.18);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.fit-card {
  background:
    linear-gradient(135deg, rgba(6, 182, 212, 0.08), transparent 60%),
    rgba(2, 6, 23, 0.55);
}

.format-card {
  text-align: center;
  padding: 24px 20px;
}

.format-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--brand-cyan, #06b6d4);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cta-band {
  border-radius: 28px;
  padding: 32px;
  display: grid;
  gap: 16px;
  align-items: center;
  background:
    radial-gradient(circle at top right, var(--collab-purple-soft), transparent 34%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(3, 7, 18, 0.96));
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 22ch;
}

.cta-band p {
  margin: 0;
  color: var(--text-secondary, #cbd5e1);
  line-height: 1.7;
  max-width: 72ch;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px 24px;
  padding-top: 4px;
  color: var(--text-tertiary, #94a3b8);
  font-size: 0.92rem;
}

.page-footer a {
  color: var(--text-secondary, #cbd5e1);
  text-decoration: none;
}

.page-footer a:hover {
  color: var(--text-primary, #f8fafc);
}

.aimid-logo-footer {
  display: flex;
  justify-content: center;
  padding: 8px 0 4px;
}

.aimid-logo-footer img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(6, 182, 212, 0.18));
  opacity: 0.96;
}

@media (max-width: 1120px) {
  .decision-grid,
  .provide-grid,
  .fit-grid,
  .format-grid,
  .use-case-grid,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .collab-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .offer-grid,
  .decision-grid,
  .provide-grid,
  .fit-grid,
  .format-grid,
  .use-case-grid,
  .process-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .collab-section,
  .cta-band {
    padding: 22px;
  }

  .page-footer {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}