/* CogniTech — cognitech.life */
:root {
  --teal: #0D9488;
  --teal-dark: #0F766E;
  --slate: #334155;
  --slate-deep: #1E293B;
  --cloud: #F8FAFC;
  --coral: #FB7185;
  --white: #FFFFFF;
  --text: #1E293B;
  --muted: #64748B;
  --border: #CBD5E1;
  --radius: 10px;
  --font-display: "Manrope", system-ui, sans-serif;
  --font-body: "Lato", system-ui, sans-serif;
  --max: 1240px;
  --header-h: 78px;
  --grid-gap: 1.25rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html:not(.js) .cogni-reveal,
html:not(.js) .slide-forward {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cogni-reveal,
  .slide-forward,
  .timeline-fill {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    width: var(--fill-target, 100%) !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--coral); }
a:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.75em;
  color: var(--slate-deep);
}
h1 { font-size: clamp(2rem, 4.8vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; color: var(--muted); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--teal);
  color: var(--white);
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

/* Header — enterprise bar */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 3px solid var(--teal);
  box-shadow: 0 2px 16px rgba(51, 65, 85, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--slate-deep);
  letter-spacing: -0.02em;
}
.logo span { color: var(--teal); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--slate);
}
.main-nav a[aria-current="page"] { color: var(--teal); }
.main-nav a:hover { color: var(--coral); }

.nav-toggle {
  display: none;
  background: var(--cloud);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.85rem;
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  color: var(--slate);
}

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn-outline:hover {
  background: var(--cloud);
  color: var(--teal-dark);
}
.btn-coral {
  background: var(--coral);
  color: var(--white);
  border-color: var(--coral);
}
.btn-coral:hover { background: #f43f5e; border-color: #f43f5e; color: var(--white); }
.btn-white {
  background: var(--white);
  color: var(--teal);
  border-color: var(--white);
}
.btn-white:hover { background: var(--cloud); color: var(--teal-dark); }

main { padding-top: var(--header-h); }

/* Scroll reveal */
.js .cogni-reveal,
.js .slide-forward {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.js .cogni-reveal.is-visible,
.js .slide-forward.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.slide-forward.delay-1 { transition-delay: 0.1s; }
.slide-forward.delay-2 { transition-delay: 0.2s; }
.slide-forward.delay-3 { transition-delay: 0.3s; }

/* Hero — cognition + tech grid */
.hero-enterprise {
  background: var(--cloud);
  padding: clamp(3rem, 8vw, 5.5rem) 0;
  border-bottom: 1px solid var(--border);
}
.hero-grid-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--grid-gap);
  align-items: center;
}
.hero-tagline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 0.75rem;
}
.hero-lead { font-size: 1.08rem; max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; }

.cognition-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 0.75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 8px 32px rgba(13, 148, 136, 0.08);
}
.cognition-panel img {
  grid-column: 1 / -1;
  border-radius: calc(var(--radius) - 2px);
  aspect-ratio: 16/10;
  object-fit: cover;
}
.metric-tile {
  background: var(--cloud);
  padding: 0.85rem;
  border-radius: calc(var(--radius) - 2px);
  border-left: 4px solid var(--teal);
}
.metric-tile strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--teal);
}
.metric-tile span {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Section utilities */
.section { padding: clamp(3rem, 6vw, 4.5rem) 0; }
.section-alt { background: var(--cloud); }
.section-header { margin-bottom: 2.25rem; max-width: 40rem; }
.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--coral);
  margin-bottom: 0.5rem;
}

/* Modules 01-04 — asymmetric enterprise grid */
.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: var(--grid-gap);
}
.module-cell {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.module-cell::before {
  content: attr(data-module);
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: rgba(13, 148, 136, 0.12);
  line-height: 1;
}
.module-cell:nth-child(1) {
  grid-column: span 2;
  border-top: 4px solid var(--teal);
}
.module-cell:nth-child(2) { border-top: 4px solid var(--coral); }
.module-cell:nth-child(3) { border-top: 4px solid var(--slate); }
.module-cell:nth-child(4) {
  grid-column: span 2;
  border-top: 4px solid var(--teal);
  background: linear-gradient(135deg, var(--white) 60%, var(--cloud));
}
.module-cell h3 { color: var(--slate); margin-top: 0.25rem; }
.module-visual {
  margin-top: 2rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.module-visual img { width: 100%; aspect-ratio: 21/9; object-fit: cover; }

/* Integration infographic */
.synapse-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(3, minmax(72px, auto));
  gap: 0.65rem;
  max-width: 900px;
  margin: 0 auto 2rem;
}
.synapse-node {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.65rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 2px solid var(--border);
  color: var(--slate);
}
.synapse-node.hub {
  grid-column: 3;
  grid-row: 2;
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
  font-size: 0.95rem;
  box-shadow: 0 4px 20px rgba(13, 148, 136, 0.35);
}
.synapse-node.connector {
  border-style: dashed;
  border-color: var(--teal);
  color: var(--teal);
}
.synapse-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.synapse-layout img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* Implementation timeline */
.impl-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  margin-top: 2rem;
}
.impl-step {
  text-align: center;
  padding: 1rem 0.75rem;
  position: relative;
}
.impl-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.impl-step h4 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  color: var(--slate);
}
.impl-step p { font-size: 0.82rem; margin: 0; }
.timeline-track {
  grid-column: 1 / -1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  margin: 0 5% 1.5rem;
  overflow: hidden;
}
.timeline-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal), var(--coral));
  border-radius: 3px;
  transition: width 1.2s ease;
}
.timeline-fill.is-filled { width: var(--fill-target, 80%); }

/* Services — 5-block enterprise row */
.service-five-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--grid-gap);
}
.service-five-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  border-bottom: 3px solid var(--teal);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.service-five-block:hover {
  box-shadow: 0 6px 24px rgba(51, 65, 85, 0.1);
  border-bottom-color: var(--coral);
}
.service-five-block h3 {
  font-size: 1rem;
  color: var(--slate);
}
.service-five-block p { font-size: 0.88rem; margin-bottom: 0; }

/* Certifications strip */
.cert-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--white);
}
.cert-badge {
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--slate);
  padding: 0.85rem 0.5rem;
  background: var(--cloud);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

/* Testimonials */
.testimonial-enterprise {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}
.testimonial-card {
  margin: 0;
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 4px solid var(--coral);
}
.testimonial-card blockquote {
  margin: 0 0 1.25rem;
  font-style: italic;
  color: var(--slate);
  font-size: 0.95rem;
}
.testimonial-card cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--muted);
}
.testimonial-card cite strong { color: var(--slate-deep); display: block; }

/* Teal CTA */
.cta-teal {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: var(--white);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  text-align: center;
}
.cta-teal h2 { color: var(--white); }
.cta-teal p { color: rgba(255, 255, 255, 0.9); max-width: 36rem; margin-inline: auto; }

.apac-note {
  padding: 1.75rem 0 2.5rem;
  font-size: 0.92rem;
  border-top: 1px solid var(--border);
  color: var(--slate);
}
.apac-note strong { color: var(--teal); }

/* Page hero */
.page-hero {
  background: var(--cloud);
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  border-bottom: 1px solid var(--border);
}

/* Collection */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.filter-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--slate);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover,
.filter-btn.is-active {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

.collection-enterprise {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}
.collection-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.collection-card:hover { box-shadow: 0 8px 28px rgba(51, 65, 85, 0.12); }
.collection-card img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}
.collection-card-body { padding: 1.35rem; }
.collection-ref {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.72rem;
  color: var(--teal);
  letter-spacing: 0.08em;
}
.collection-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.75rem 0; }
.tag {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  background: var(--cloud);
  border-radius: 4px;
  color: var(--slate);
  font-weight: 600;
}
.collection-price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--slate-deep);
  margin: 0.5rem 0 1rem;
}

/* Services page blocks */
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.service-detail-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.service-detail-card:nth-child(even) { background: var(--cloud); }
.service-detail-card img {
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.service-detail-card.full-span {
  grid-column: 1 / -1;
  grid-template-columns: 1.2fr 0.8fr;
}

/* About */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.about-split img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: 2rem;
}
.value-cell {
  padding: 1.5rem;
  background: var(--cloud);
  border-radius: var(--radius);
  border-top: 3px solid var(--teal);
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2rem;
}
.contact-card {
  background: var(--cloud);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.contact-card h2 { font-size: 1.35rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--slate);
  margin-bottom: 0.35rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--white);
}
.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: var(--coral);
}
.field-error {
  display: block;
  font-size: 0.82rem;
  color: var(--coral);
  margin-top: 0.3rem;
  min-height: 1.2em;
  opacity: 0;
}
.field-error.visible { opacity: 1; }

.form-success {
  display: none;
  padding: 1.5rem;
  background: var(--cloud);
  border: 2px solid var(--teal);
  border-radius: var(--radius);
  color: var(--slate);
  font-size: 1.05rem;
  line-height: 1.65;
}
.form-success.visible { display: block; }

/* Legal */
.legal-content {
  max-width: 48rem;
}
.legal-content h2 { margin-top: 2rem; font-size: 1.35rem; }
.legal-content ul { color: var(--muted); padding-left: 1.25rem; }
.legal-content li { margin-bottom: 0.5rem; }

/* Footer */
.site-footer {
  background: var(--slate-deep);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 0;
}
.site-footer a { color: rgba(255, 255, 255, 0.9); }
.site-footer a:hover { color: var(--coral); }
.site-footer h4 {
  color: var(--white);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--slate-deep);
  color: var(--white);
  padding: 1rem 0;
  transform: translateY(110%);
  transition: transform 0.35s ease;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.2);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cookie-inner p { margin: 0; color: rgba(255, 255, 255, 0.9); font-size: 0.9rem; max-width: 52rem; }
.cookie-inner a { color: var(--coral); }
.cookie-actions { display: flex; gap: 0.65rem; flex-shrink: 0; }
.cookie-actions .btn-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.cookie-actions .btn-outline:hover { background: rgba(255, 255, 255, 0.1); color: var(--white); }

/* Responsive */
@media (max-width: 1100px) {
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .module-cell:nth-child(1),
  .module-cell:nth-child(4) { grid-column: span 2; }
  .service-five-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-strip { grid-template-columns: repeat(3, 1fr); }
  .impl-timeline { grid-template-columns: repeat(3, 1fr); }
  .collection-card { grid-template-columns: 1fr; }
  .collection-card img { min-height: 200px; }
}

@media (max-width: 900px) {
  .hero-grid-layout,
  .synapse-layout,
  .about-split,
  .contact-layout,
  .service-detail-card,
  .service-detail-card.full-span {
    grid-template-columns: 1fr;
  }
  .service-five-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-enterprise { grid-template-columns: 1fr; }
  .synapse-grid { grid-template-columns: repeat(3, 1fr); }
  .synapse-node.hub { grid-column: 2; grid-row: 2; }
  .footer-grid { grid-template-columns: 1fr; }
  .collection-enterprise { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    display: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
  .main-nav.is-open { display: block; }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .main-nav .btn { text-align: center; margin-top: 0.5rem; }
  .module-grid { grid-template-columns: 1fr; }
  .module-cell:nth-child(1),
  .module-cell:nth-child(4) { grid-column: span 1; }
  .service-five-grid { grid-template-columns: 1fr; }
  .cert-strip { grid-template-columns: repeat(2, 1fr); }
  .impl-timeline { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .service-detail-card { grid-template-columns: 1fr; }
}