/* GuaGua AI Labs — Warm-Tech Stylesheet V2
 * No external CDN, no external fonts, no external scripts.
 * Typography: local/system font stack only.
 * Color: deep green-gray text, warm cream background, soft green + muted copper accents.
 */

:root {
  --color-bg: #FAF7F2;
  --color-bg-alt: #F5F1EB;
  --color-card: #FFFFFF;
  --color-primary: #3B5B8C;
  --color-primary-dark: #2C4670;
  --color-secondary: #5C7BA8;
  --color-accent: #B87333;
  --color-accent-soft: #D4A778;
  --color-accent-bg: rgba(184, 115, 51, 0.08);
  --color-green: #6B8E5A;
  --color-green-soft: #A8C49A;
  --color-green-bg: rgba(107, 142, 90, 0.08);
  --color-text: #2D3A35;
  --color-text-mid: #5C6661;
  --color-text-light: #8A8580;
  --color-text-faint: #A8A49E;
  --color-border: #E8E4DE;
  --color-border-soft: #F0EBE3;
  --color-success: #6B8E5A;
  --color-success-bg: rgba(107, 142, 90, 0.08);
  --color-success-border: #6B8E5A;
  --color-warning: #A87B3A;
  --color-warning-bg: rgba(184, 115, 51, 0.06);
  --color-warning-border: #B87333;
  --color-error: #8B5A5A;
  --color-error-bg: rgba(139, 90, 90, 0.06);
  --color-error-border: #8B5A5A;
  --color-soon-bg: rgba(184, 115, 51, 0.06);
  --color-soon-border: #B87333;
  --color-soon-text: #8B5A35;
  --color-pending-bg: rgba(138, 133, 128, 0.08);
  --color-pending-border: #8A8580;
  --color-pending-text: #6B6661;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --font-h1-size: clamp(2rem, 4vw, 2.75rem);
  --font-h1-weight: 700;
  --font-h1-tracking: -0.015em;
  --font-h1-leading: 1.18;

  --font-h2-size: clamp(1.625rem, 2.8vw, 2.125rem);
  --font-h2-weight: 650;
  --font-h2-tracking: -0.012em;
  --font-h2-leading: 1.25;

  --font-h3-size: 1.0625rem;
  --font-h3-weight: 600;
  --font-h3-tracking: -0.005em;
  --font-h3-leading: 1.35;

  --font-body-size: 1rem;
  --font-body-weight: 400;
  --font-body-tracking: 0;
  --font-body-leading: 1.7;

  --font-label-size: 0.75rem;
  --font-label-weight: 600;
  --font-label-tracking: 0.10em;
  --font-label-leading: 1.4;

  --font-small-size: 0.8125rem;
  --font-small-weight: 400;
  --font-small-leading: 1.55;

  --max-width: 1120px;
  --max-width-narrow: 880px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 28px;
  --spacing-lg: 56px;
  --spacing-xl: 96px;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-xs: 0 1px 1px rgba(45, 58, 53, 0.03);
  --shadow-sm: 0 1px 3px rgba(45, 58, 53, 0.05);
  --shadow: 0 4px 16px rgba(45, 58, 53, 0.05);
  --shadow-lg: 0 12px 32px rgba(45, 58, 53, 0.07);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-body-size);
  font-weight: var(--font-body-weight);
  line-height: var(--font-body-leading);
  letter-spacing: var(--font-body-tracking);
  color: var(--color-text);
  background: var(--color-bg);
  font-feature-settings: "ss01", "cv11", "kern";
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.005em;
}

h1 {
  font-size: var(--font-h1-size);
  font-weight: var(--font-h1-weight);
  line-height: var(--font-h1-leading);
  letter-spacing: var(--font-h1-tracking);
}

h2 {
  font-size: var(--font-h2-size);
  font-weight: var(--font-h2-weight);
  line-height: var(--font-h2-leading);
  letter-spacing: var(--font-h2-tracking);
}

h3 {
  font-size: var(--font-h3-size);
  font-weight: var(--font-h3-weight);
  line-height: var(--font-h3-leading);
  letter-spacing: var(--font-h3-tracking);
}

p {
  margin: 0 0 var(--spacing-sm);
}

small {
  font-size: var(--font-small-size);
  font-weight: var(--font-small-weight);
  line-height: var(--font-small-leading);
}

em {
  font-style: italic;
  color: var(--color-text-mid);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Persistent disclaimer banner */
.disclaimer-banner {
  background: var(--color-warning);
  color: #FFFFFF;
  padding: 10px var(--spacing-md);
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.disclaimer-strong {
  font-weight: 700;
  margin-right: 8px;
}

/* Header */
.site-header {
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  gap: var(--spacing-md);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 650;
  font-size: 1.0625rem;
  letter-spacing: -0.005em;
  color: var(--color-text);
  text-decoration: none;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  background: var(--color-bg-alt);
  padding: 2px;
  box-shadow: var(--shadow-sm);
}
.brand-name {
  letter-spacing: -0.005em;
}
.site-nav {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--color-text-mid);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.site-nav a:hover {
  color: var(--color-primary);
}

/* Hero */
.hero {
  padding: var(--spacing-xl) 0 calc(var(--spacing-xl) - var(--spacing-md));
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(107, 142, 90, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(184, 115, 51, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--spacing-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-copy {
  max-width: 560px;
}
.eyebrow {
  font-size: var(--font-label-size);
  font-weight: var(--font-label-weight);
  letter-spacing: var(--font-label-tracking);
  text-transform: uppercase;
  margin: 0 0 var(--spacing-sm);
  color: var(--color-accent);
}
.hero h1 {
  margin: 0 0 var(--spacing-md);
  color: var(--color-text);
}
.lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-mid);
  margin: 0 0 var(--spacing-lg);
  font-weight: 400;
}
.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
  border: 1px solid transparent;
  letter-spacing: -0.005em;
}
.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background: rgba(59, 91, 140, 0.06);
  transform: translateY(-1px);
}
.hero-meta {
  font-size: var(--font-small-size);
  color: var(--color-text-light);
  margin: 0;
  letter-spacing: 0.005em;
}

/* Studio Signal panel */
.hero-panel {
  display: flex;
  align-items: flex-start;
}
.studio-signal {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 540px;
}
.panel-header {
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-soft);
}
.panel-header h2 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.panel-subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-mid);
  margin: 0;
  letter-spacing: 0.005em;
}
.panel-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}
.panel-item {
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: background 0.15s ease, border-color 0.15s ease;
}
.panel-item[open] {
  background: var(--color-card);
  border-color: var(--color-border);
}
.panel-item summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
}
.panel-item summary::-webkit-details-marker { display: none; }
.panel-item summary::before {
  content: "▸";
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  transition: transform 0.15s ease, color 0.15s ease;
  flex: 0 0 auto;
}
.panel-item[open] summary::before {
  transform: rotate(90deg);
  color: var(--color-primary);
}
.panel-status {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  flex: 0 0 auto;
}
.status-ready {
  background: var(--color-success-bg);
  color: var(--color-success-border);
  border: 1px solid var(--color-success-border);
}
.status-soon {
  background: var(--color-soon-bg);
  color: var(--color-soon-text);
  border: 1px solid var(--color-soon-border);
}
.status-pending {
  background: var(--color-pending-bg);
  color: var(--color-pending-text);
  border: 1px solid var(--color-pending-border);
}
.panel-label {
  font-weight: 600;
  color: var(--color-text);
  flex: 0 0 auto;
  font-size: 0.9375rem;
}
.panel-meta-inline {
  font-size: var(--font-small-size);
  color: var(--color-text-light);
  flex: 1 1 100%;
  letter-spacing: 0.005em;
}
.panel-detail {
  padding: 0 12px 12px 24px;
  border-top: 1px solid var(--color-border-soft);
  margin-top: 4px;
  padding-top: 10px;
}
.panel-detail p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-mid);
  line-height: 1.6;
}
.panel-note {
  margin: var(--spacing-sm) 0 0;
  padding: 8px 12px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: var(--font-small-size);
  color: var(--color-text-mid);
  text-align: center;
  letter-spacing: 0.005em;
}

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}
.section-alt {
  background: var(--color-bg-alt);
}
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-eyebrow {
  font-size: var(--font-label-size);
  font-weight: var(--font-label-weight);
  letter-spacing: var(--font-label-tracking);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--spacing-xs);
}
.section-header h2 {
  margin: 0 0 var(--spacing-sm);
}
.section-lead {
  font-size: 1.0625rem;
  color: var(--color-text-mid);
  margin: 0;
  line-height: 1.6;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-md);
}
.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}
.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Card */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: var(--color-border-soft);
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-green-soft) 0%, var(--color-green) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}
.card h3 {
  margin: 0 0 var(--spacing-sm);
}
.card p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-mid);
}
.card p:last-child {
  margin-bottom: 0;
}
.card-meta {
  font-size: var(--font-small-size);
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border-soft);
}

/* Constraints */
.constraints {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-warning-bg);
  border-left: 3px solid var(--color-warning-border);
  border-radius: var(--radius);
}
.constraints h3 {
  font-size: 1.0625rem;
  font-weight: 650;
  color: var(--color-warning-border);
  margin: 0 0 var(--spacing-sm);
}
.constraints-list {
  margin: 0;
  padding-left: 20px;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.constraints-list li {
  margin-bottom: 4px;
}
.constraints-note {
  margin: var(--spacing-sm) 0 0;
  font-size: var(--font-small-size);
  color: var(--color-text-mid);
}

/* Crew */
.crew-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}
.crew-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.crew-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.crew-card-featured {
  background: linear-gradient(180deg, #F8F4ED 0%, var(--color-card) 100%);
  border-color: var(--color-accent);
  border-width: 2px;
}
.crew-portrait {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  margin: 0 auto var(--spacing-sm);
  border-radius: 50%;
  background: var(--color-bg-alt);
  overflow: hidden;
}
.crew-portrait-large {
  width: 128px;
  height: 128px;
  background: var(--color-card);
  border: 4px solid var(--color-accent);
  padding: 6px;
  box-shadow: var(--shadow);
}
.crew-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.crew-card h3 {
  margin: 0 0 4px;
  font-size: 1.0625rem;
}
.crew-card-featured h3 {
  font-size: 1.25rem;
  color: var(--color-accent);
}
.crew-role {
  font-size: var(--font-label-size);
  font-weight: var(--font-label-weight);
  letter-spacing: var(--font-label-tracking);
  text-transform: uppercase;
  color: var(--color-text-mid);
  margin: 0 0 var(--spacing-xs);
}
.crew-card-featured .crew-role {
  color: var(--color-accent);
}
.crew-bio {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-mid);
  margin: 0;
}
.crew-disclaimer {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: var(--font-small-size);
  color: var(--color-text-mid);
  text-align: center;
}

/* Leadership */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}
.leader-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.leader-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.leader-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.leader-role {
  font-size: var(--font-label-size);
  font-weight: var(--font-label-weight);
  letter-spacing: var(--font-label-tracking);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--spacing-sm);
}
.leader-bio {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-mid);
  margin: 0;
}
.leadership-disclaimer {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: var(--font-small-size);
  color: var(--color-text-mid);
  text-align: center;
}

/* Company section */
.company-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}
.company-block {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-xs);
}
.company-block h3 {
  font-size: 1.0625rem;
  font-weight: 650;
  color: var(--color-primary);
  margin: 0 0 var(--spacing-sm);
  letter-spacing: -0.005em;
}
.company-block dl {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px var(--spacing-sm);
  font-size: 0.9375rem;
}
.company-block dt {
  font-weight: 600;
  color: var(--color-text-mid);
}
.company-block dd {
  margin: 0;
  color: var(--color-text);
}
.contact-primary {
  font-weight: 600;
  color: var(--color-primary);
}
.contact-backup {
  font-size: var(--font-small-size);
  color: var(--color-text-light);
}
.contact-note {
  font-size: var(--font-small-size);
  color: var(--color-text-light);
}
.domain-text {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-primary);
  background: rgba(59, 91, 140, 0.06);
  padding: 2px 8px;
  border-radius: 4px;
}
.small-team {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-mid);
  padding: var(--spacing-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}
.small-team h3 {
  font-size: 1.0625rem;
  margin: 0 0 var(--spacing-xs);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-brand strong {
  font-size: 1.0625rem;
  font-weight: 650;
}
.footer-brand span,
.footer-meta span {
  font-size: 0.875rem;
  opacity: 0.85;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  opacity: 0.85;
}
.footer-links a {
  color: #FFFFFF;
  text-decoration: none;
}
.footer-links a:hover {
  text-decoration: underline;
}
.footer-sep {
  opacity: 0.5;
}
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.footer-disclaimer {
  font-style: italic;
  opacity: 0.7;
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 64px;
    --spacing-lg: 40px;
  }
  .header-inner {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  .site-nav {
    justify-content: center;
    gap: var(--spacing-sm);
  }
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-copy {
    margin: 0 auto;
  }
  .hero-cta {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    text-align: center;
  }
  .studio-signal {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .crew-grid {
    grid-template-columns: 1fr;
  }
  .leadership-grid {
    grid-template-columns: 1fr;
  }
}