/* ==========================================================================
   KIXKLUTUT LAB — NEURAL CONFLICT & DEFENSIVE REACTION MANAGEMENT
   Design Architecture: Cognitive Slate, Neural Azure, Synaptic Emerald
   ========================================================================== */

:root {
  --color-slate-black: #090D14;
  --color-slate-surface: #0F1522;
  --color-slate-card: #151D2E;
  --color-slate-border: rgba(56, 189, 248, 0.18);
  --color-azure-core: #2563EB;
  --color-azure-bright: #38BDF8;
  --color-emerald-calm: #10B981;
  --color-text-main: #F8FAFC;
  --color-text-sub: #94A3B8;
  --color-text-dim: #64748B;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --max-width: 1220px;
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px rgba(56, 189, 248, 0.18);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-slate-black);
  color: var(--color-text-main);
  overflow-x: hidden;
}

body {
  font-family: var(--font-jp);
  line-height: 1.85;
  letter-spacing: 0.02em;
  background-color: var(--color-slate-black);
  color: var(--color-text-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

.site-container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography & Labels */
.en-accent {
  font-family: var(--font-en);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--color-azure-bright);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 12px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 20px;
}

.section-title {
  font-size: 1.95rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text-main);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-sub);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.9;
}

.text-center {
  text-align: center;
}

/* Header & Sticky Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(9, 13, 20, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-slate-border);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

.brand-anchor {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-crest {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-azure-bright);
  background: rgba(37, 99, 235, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #FFFFFF;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
}

.site-nav {
  display: none;
}

@media (min-width: 960px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-link {
    font-size: 0.88rem;
    color: var(--color-text-sub);
    font-weight: 500;
    transition: color 0.2s ease;
  }

  .nav-link:hover {
    color: var(--color-azure-bright);
  }
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--color-azure-bright);
  color: var(--color-azure-bright);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.nav-cta-btn:hover {
  background: var(--color-azure-bright);
  color: var(--color-slate-black);
  box-shadow: var(--shadow-glow);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 80px 0 100px;
  border-bottom: 1px solid var(--color-slate-border);
  background: radial-gradient(circle at 60% 15%, rgba(37, 99, 235, 0.22) 0%, rgba(9, 13, 20, 1) 75%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero-tag .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-emerald-calm);
  box-shadow: 0 0 8px var(--color-emerald-calm);
}

.hero-tag span {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-emerald-calm);
}

.hero-title {
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1.35;
  color: #FFFFFF;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }
}

.hero-title .gradient-text {
  background: linear-gradient(90deg, #38BDF8 0%, #10B981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--color-text-sub);
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
}

@media (min-width: 480px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 32px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid #60A5FA;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  background: transparent;
  color: var(--color-text-sub);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.16);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: var(--color-azure-bright);
  color: #FFFFFF;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: 1px solid var(--color-slate-border);
  padding-top: 24px;
}

.stat-item .num {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-azure-bright);
  line-height: 1.1;
  display: block;
}

.stat-item .lbl {
  font-size: 0.74rem;
  color: var(--color-text-dim);
}

.hero-visual {
  position: relative;
  background: var(--color-slate-surface);
  border: 1px solid var(--color-slate-border);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: var(--shadow-card);
}

.hero-img-box {
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 16 / 11;
}

.hero-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-caption-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(15, 21, 34, 0.92);
  border: 1px solid var(--color-slate-border);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
}

.hero-caption-card p {
  font-size: 0.78rem;
  color: var(--color-azure-bright);
  font-family: var(--font-en);
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* Neuro-Anatomy Section */
.anatomy-section {
  padding: 90px 0;
  background-color: var(--color-slate-surface);
  border-bottom: 1px solid var(--color-slate-border);
}

.anatomy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 48px;
}

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

.anatomy-card {
  background: var(--color-slate-card);
  border: 1px solid var(--color-slate-border);
  padding: 34px 26px;
  border-radius: var(--radius-sm);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.anatomy-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-azure-bright);
}

.anatomy-num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--color-emerald-calm);
  margin-bottom: 12px;
}

.anatomy-card h3 {
  font-size: 1.25rem;
  margin-bottom: 14px;
  color: #FFFFFF;
}

.anatomy-card p {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.85;
}

/* 3 Lab Pillars */
.pillars-section {
  padding: 100px 0;
  border-bottom: 1px solid var(--color-slate-border);
}

.pillar-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 64px;
}

@media (min-width: 900px) {
  .pillar-row {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }

  .pillar-row:nth-child(even) .pillar-visual {
    order: 2;
  }
  .pillar-row:nth-child(even) .pillar-content {
    order: 1;
  }
}

.pillar-visual {
  background: var(--color-slate-surface);
  border: 1px solid var(--color-slate-border);
  padding: 12px;
  border-radius: var(--radius-md);
}

.pillar-img-box {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.pillar-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pillar-tag {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-azure-bright);
  margin-bottom: 8px;
  display: block;
}

.pillar-title {
  font-size: 1.65rem;
  margin-bottom: 16px;
  color: #FFFFFF;
  line-height: 1.35;
}

.pillar-desc {
  font-size: 0.96rem;
  color: var(--color-text-sub);
  line-height: 1.9;
  margin-bottom: 24px;
}

.module-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.module-item {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 0.92rem;
  color: var(--color-text-main);
}

.module-item::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--color-emerald-calm);
  font-size: 0.75rem;
  top: 2px;
}

/* Masterclass Architecture */
.architecture-section {
  padding: 100px 0;
  background-color: var(--color-slate-surface);
  border-bottom: 1px solid var(--color-slate-border);
}

.arch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 50px;
}

@media (min-width: 860px) {
  .arch-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.arch-box {
  background: var(--color-slate-black);
  border: 1px solid var(--color-slate-border);
  padding: 34px 26px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
}

.arch-box.highlight {
  border-color: var(--color-azure-bright);
  box-shadow: var(--shadow-glow);
}

.arch-tier {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--color-emerald-calm);
  margin-bottom: 12px;
  display: inline-block;
}

.arch-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.arch-body {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.85;
  flex-grow: 1;
  margin-bottom: 22px;
}

.arch-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 18px;
}

.arch-features li {
  font-size: 0.84rem;
  color: var(--color-text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arch-features li::before {
  content: "—";
  color: var(--color-azure-bright);
}

/* Faculty & Lineage */
.faculty-section {
  padding: 100px 0;
  border-bottom: 1px solid var(--color-slate-border);
}

.faculty-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 50px;
}

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

.faculty-card {
  background: var(--color-slate-card);
  border: 1px solid var(--color-slate-border);
  padding: 36px 30px;
  border-radius: var(--radius-sm);
}

.faculty-role {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-azure-bright);
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}

.faculty-name {
  font-size: 1.4rem;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.faculty-desc {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.85;
}

/* Audition Protocol */
.audition-section {
  padding: 90px 0;
  background-color: var(--color-slate-surface);
  border-bottom: 1px solid var(--color-slate-border);
}

.audition-box {
  max-width: 880px;
  margin: 0 auto;
  border: 1px solid var(--color-azure-bright);
  background: var(--color-slate-black);
  padding: 44px 32px;
  border-radius: var(--radius-md);
  text-align: center;
}

.audition-box h3 {
  font-size: 1.6rem;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.audition-box p {
  font-size: 0.96rem;
  color: var(--color-text-sub);
  line-height: 1.95;
  margin-bottom: 28px;
}

/* Permanently Rendered FAQ Section (DOM-to-HTML Parity) */
.faq-section {
  padding: 100px 0;
  border-bottom: 1px solid var(--color-slate-border);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 50px;
}

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

.faq-card {
  background: var(--color-slate-card);
  border: 1px solid var(--color-slate-border);
  padding: 30px 24px;
  border-radius: var(--radius-sm);
}

.faq-card .faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.faq-card .faq-q::before {
  content: "Q.";
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-azure-bright);
}

.faq-card .faq-a {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.85;
}

/* Executive Direct Liaison (ENABLE_FORM = OFF) */
.liaison-section {
  padding: 110px 0;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.22) 0%, rgba(9, 13, 20, 1) 85%);
  border-bottom: 1px solid var(--color-slate-border);
  text-align: center;
}

.liaison-box {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--color-azure-bright);
  padding: 56px 36px;
  background: rgba(15, 21, 34, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.liaison-eyebrow {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-emerald-calm);
  font-weight: 700;
  margin-bottom: 14px;
}

.liaison-title {
  font-size: 2rem;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.liaison-desc {
  font-size: 0.98rem;
  color: var(--color-text-sub);
  line-height: 1.95;
  margin-bottom: 36px;
}

.liaison-email-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  border: 1px solid #60A5FA;
  padding: 16px 36px;
  font-size: 1.15rem;
  font-family: var(--font-en);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
  transition: all 0.25s ease;
}

.liaison-email-btn:hover {
  filter: brightness(1.15);
  box-shadow: 0 6px 28px rgba(37, 99, 235, 0.6);
  transform: translateY(-2px);
}

.liaison-notes {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  padding: 60px 0 36px;
  background-color: var(--color-slate-black);
  border-top: 1px solid var(--color-slate-border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-brand h4 {
  font-family: var(--font-en);
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.86rem;
  color: var(--color-text-dim);
  line-height: 1.85;
}

.footer-col h5 {
  font-size: 0.95rem;
  color: #FFFFFF;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.86rem;
  color: var(--color-text-sub);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.copyright {
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

.legal-attribution {
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

/* Authentic CMP Cookie Widget (data-nosnippet) */
.cmp-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  left: 20px;
  max-width: 480px;
  margin: 0 auto;
  background: rgba(15, 21, 34, 0.97);
  border: 1px solid var(--color-azure-bright);
  border-radius: var(--radius-md);
  padding: 22px;
  z-index: 9999;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(14px);
}

@media (min-width: 560px) {
  .cmp-container {
    left: auto;
  }
}

.cmp-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.cmp-text {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  line-height: 1.6;
  margin-bottom: 14px;
}

.cmp-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.cmp-pill {
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 16px;
  border: 1px solid var(--color-slate-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-sub);
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cmp-pill.locked {
  cursor: default;
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--color-azure-bright);
}

.cmp-pill.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--color-azure-bright);
  color: #FFFFFF;
}

.cmp-actions {
  display: flex;
  gap: 10px;
}

.cmp-btn {
  flex: 1;
  min-height: 40px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cmp-btn-accept {
  background: var(--color-azure-core);
  color: #FFFFFF;
}

.cmp-btn-accept:hover {
  background: #3B82F6;
}

.cmp-btn-save {
  background: transparent;
  border: 1px solid var(--color-slate-border);
  color: var(--color-text-sub);
}

.cmp-btn-save:hover {
  border-color: #FFFFFF;
  color: #FFFFFF;
}

button, a {
  touch-action: manipulation;
}