/* ═══════════════════════════════════════════════════
   DESIGN TOKENS — Agent247
   Figma colors + Mockup 1 patterns
   ═══════════════════════════════════════════════════ */
:root {
  /* Dark theme base (Figma) */
  --color-abyss:   #0A0E15;
  --color-void:    #212631;
  --color-ink:     #E0E4EB;
  --color-stone:   #667085;
  --color-fog:     #373F4E;

  /* Light theme base (Figma) */
  --color-crest:   #F0F1F5;
  --color-pearl:   #FFFFFF;
  --color-ember:   #E0E4EB;

  /* Accent — Purple (Figma primary) */
  --color-accent:        #6600FF;
  --color-accent-hover:  #5500DD;
  --color-accent-light:  #F3EEFF;
  --color-accent-muted:  #BC75F5;

  /* Accent — Teal (Figma secondary) */
  --color-teal:          #0D98BA;
  --color-teal-light:    #80DAEB;

  /* Semantic */
  --color-success:       #00CED1;
  --color-danger:        #F50BBA;
  --color-danger-light:  #F37CCC;

  /* Typography */
  --font-display: 'Unbounded', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Type scale — Figma size/line-height pairs */
  --text-hero:    clamp(2.5rem, 5.5vw, 4rem);
  --text-h1:      clamp(2rem, 4vw, 3.5rem);
  --text-h2:      clamp(1.75rem, 3vw, 2.5rem);
  --text-h3:      clamp(1.25rem, 2vw, 1.5rem);
  --text-lead:    clamp(1rem, 1.4vw, 1.25rem);
  --text-body:    1rem;
  --text-small:   0.875rem;
  --text-label:   0.75rem;
  --text-caption: 0.625rem;
  --text-mono:    0.8125rem;

  /* Spacing & Shape */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(10,14,21,0.12), 0 4px 16px rgba(10,14,21,0.08);
  --shadow-elevated: 0 2px 8px rgba(10,14,21,0.16), 0 8px 32px rgba(10,14,21,0.12);
  --shadow-glow: 0 0 40px rgba(102,0,255,0.15);
  --shadow-btn: 0 4px 20px rgba(102,0,255,0.35);

  /* Transitions */
  --transition-fast: 180ms ease;
  --transition-smooth: 300ms ease;

  /* Backward compatibility — agent sub-pages use --md-sys-* tokens */
  --md-sys-color-primary: var(--color-accent);
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: var(--color-accent-light);
  --md-sys-color-on-primary-container: var(--color-accent);
  --md-sys-color-secondary: var(--color-teal);
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: rgba(13,152,186,0.12);
  --md-sys-color-on-secondary-container: #0A6B82;
  --md-sys-color-background: var(--color-crest);
  --md-sys-color-on-background: var(--color-abyss);
  --md-sys-color-surface: var(--color-pearl);
  --md-sys-color-on-surface: var(--color-abyss);
  --md-sys-color-surface-variant: var(--color-crest);
  --md-sys-color-on-surface-variant: var(--color-stone);
  --md-sys-color-outline: var(--color-ember);
  --md-sys-color-outline-variant: var(--color-ember);
  --md-sys-color-error: var(--color-danger);
  --md-sys-color-tertiary: var(--color-accent-muted);
  --md-sys-color-on-tertiary: #FFFFFF;
  --md-sys-color-tertiary-container: var(--color-accent-light);
  --md-sys-color-on-tertiary-container: var(--color-accent);
  --md-sys-elevation-0: none;
  --md-sys-elevation-1: var(--shadow-card);
  --md-sys-elevation-2: var(--shadow-card);
  --md-sys-elevation-3: var(--shadow-elevated);
  --md-sys-shape-corner-extra-small: var(--radius-sm);
  --md-sys-shape-corner-small: var(--radius-md);
  --md-sys-shape-corner-medium: var(--radius-md);
  --md-sys-shape-corner-large: var(--radius-lg);
  --md-sys-shape-corner-extra-large: var(--radius-xl);
}

/* ═══════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-abyss);
  background: var(--color-crest);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* ═══════════════════════════════════════════════════
   UTILITY
   ═══════════════════════════════════════════════════ */
.text-nowrap {
  white-space: nowrap;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-accent-muted);
  background: var(--color-accent-light);
}

/* ═══════════════════════════════════════════════════
   BAND: alternating dark/light backgrounds
   ═══════════════════════════════════════════════════ */
.band--dark {
  background: var(--color-abyss);
  color: var(--color-ink);
}

.band--dark .section-label {
  color: var(--color-accent-muted);
  border-color: rgba(102,0,255,0.3);
  background: rgba(102,0,255,0.1);
}

.band--light {
  background: var(--color-crest);
  color: var(--color-abyss);
}

/* ═══════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-smooth);
  white-space: nowrap;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn);
}

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 1.5px solid rgba(224,228,235,0.25);
}
.btn--outline:hover {
  border-color: var(--color-ink);
  background: rgba(224,228,235,0.06);
}

.btn--outline-dark {
  background: transparent;
  color: var(--color-abyss);
  border: 1.5px solid var(--color-ember);
}
.btn--outline-dark:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  font-weight: 500;
  padding: 0.5rem 1rem;
}
.btn--ghost:hover {
  color: rgba(224,228,235,0.7);
}

.btn--large {
  padding: 1rem 2.25rem;
  font-size: var(--text-body);
  border-radius: var(--radius-xl);
}

.btn--mono {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10,14,21,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(224,228,235,0.06);
  transition: background var(--transition-smooth);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-ink);
}

.header__logo-mark {
  width: 36px;
  height: 36px;
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--color-accent);
  background: rgba(102,0,255,0.08);
  flex-shrink: 0;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.header__nav a {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 500;
  color: rgba(224,228,235,0.6);
  padding: 0.375rem 0.75rem;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.header__nav a:hover {
  color: var(--color-ink);
  border-color: rgba(224,228,235,0.12);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (max-width: 768px) {
  .header__nav { display: none; }
  .header__actions .btn--outline { display: none; }
}

/* ═══════════════════════════════════════════════════
   HERO (dark band)
   ═══════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 800px;
  width: 100%;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--color-ink);
}

.hero__title .highlight {
  color: var(--color-accent);
}

.hero__lead {
  font-size: var(--text-lead);
  line-height: 1.55;
  color: rgba(224,228,235,0.65);
  margin-bottom: 2rem;
  max-width: 640px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.hero__bullets {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero__bullet {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: rgba(224,228,235,0.45);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero__bullet-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .hero__inner {
    text-align: center;
  }
  .hero__content {
    max-width: 100%;
  }
  .hero__lead { max-width: 100%; }
  .hero__actions { justify-content: center; }
  .hero__bullets {
    justify-content: center;
    gap: 1rem;
  }
}

/* ═══════════════════════════════════════════════════
   SECTION COMMON
   ═══════════════════════════════════════════════════ */
.section {
  padding: 6rem 0;
}

.section__head {
  text-align: center;
  margin-bottom: 4rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.band--dark .section__title { color: var(--color-ink); }
.band--light .section__title { color: var(--color-abyss); }

.section__lead {
  font-size: var(--text-lead);
  color: var(--color-stone);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.55;
}

.band--dark .section__lead { color: rgba(224,228,235,0.55); }

@media (max-width: 640px) {
  .section { padding: 4rem 0; }
  .section__head { margin-bottom: 2.5rem; }
}

/* ═══════════════════════════════════════════════════
   CATALOG (light band)
   ═══════════════════════════════════════════════════ */
.catalog__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.catalog__card {
  background: var(--color-pearl);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-smooth);
  border: 1px solid var(--color-ember);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.catalog__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.catalog__card--purple::before { background: var(--color-accent); }
.catalog__card--teal::before   { background: var(--color-teal); }
.catalog__card--pink::before   { background: var(--color-danger); }

.catalog__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--color-ember);
}

.catalog__card--custom {
  background: transparent;
  border: 1.5px dashed var(--color-ember);
}
.catalog__card--custom::before { background: none; }
.catalog__card--custom:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.catalog__card-id {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-stone);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.catalog__card-tag {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: var(--color-accent-light);
  display: inline-block;
  align-self: flex-start;
}

.catalog__card--teal .catalog__card-tag {
  color: var(--color-teal);
  background: rgba(13,152,186,0.08);
}

.catalog__card--pink .catalog__card-tag {
  color: var(--color-danger);
  background: rgba(245,11,186,0.06);
}

.catalog__card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  color: var(--color-abyss);
}

.catalog__card-title a {
  color: inherit;
  text-decoration: none;
}

.catalog__card-title a:hover {
  color: var(--color-accent);
}

.catalog__card-desc {
  font-size: var(--text-small);
  color: var(--color-stone);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.catalog__card-meta {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-stone);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.catalog__card-meta strong {
  color: var(--color-abyss);
  font-weight: 600;
}

.catalog__card-actions {
  display: flex;
  gap: 0.5rem;
}

.catalog__card-actions .btn--primary {
  flex: 1;
}

@media (max-width: 768px) {
  .catalog__grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════
   TRUST / ENBISYS (light band)
   ═══════════════════════════════════════════════════ */

.trust__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.trust__lead {
  max-width: 720px;
}

.trust__lead strong {
  font-weight: 600;
  color: var(--color-abyss);
}

.trust__content {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.trust__visual {
  width: 50%;
  flex-shrink: 0;
}

.trust__image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-elevated);
}

.trust__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter 0.5s ease;
}

.trust__image-wrapper:hover .trust__image {
  filter: grayscale(0);
}

.trust__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top right, rgba(102,0,255,0.8), transparent);
  mix-blend-mode: multiply;
}

.trust__image-brand {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  color: #fff;
  z-index: 2;
}

.trust__image-brand-name {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.trust__image-brand-desc {
  font-size: var(--text-small);
  opacity: 0.9;
  line-height: 1.4;
}

.trust__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  z-index: 2;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-abyss);
  border: 1px solid var(--color-crest);
}

.trust__badge svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.trust__facts {
  width: 50%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.trust__fact {
  background: var(--color-pearl);
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-ember);
  transition: border-color var(--transition-fast), box-shadow var(--transition-smooth);
}

.trust__fact:hover {
  border-color: var(--color-accent-muted);
  box-shadow: var(--shadow-card);
}

.trust__fact--wide {
  grid-column: span 2;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.trust__fact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.trust__fact--wide .trust__fact-icon {
  margin-bottom: 0;
}

.trust__fact-icon--accent {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(102,0,255,0.3);
}

.trust__fact-number {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-abyss);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.trust__fact-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-abyss);
  margin-bottom: 0.25rem;
}

.trust__fact-desc {
  font-size: var(--text-small);
  color: var(--color-stone);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .trust__content {
    flex-direction: column;
    gap: 1.5rem;
  }

  .trust__visual,
  .trust__facts {
    width: 100%;
  }

  .trust__facts {
    grid-template-columns: 1fr;
  }

  .trust__fact--wide {
    grid-column: span 1;
    flex-direction: column;
    text-align: center;
  }
}

/* ═══════════════════════════════════════════════════
   COMPARISON (light band)
   ═══════════════════════════════════════════════════ */
.comparison__list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comparison__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: visible;
  border: 1px solid var(--color-ember);
  position: relative;
}

.comparison__row-label {
  position: absolute;
  top: -0.625rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-stone);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-crest);
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--color-ember);
  z-index: 1;
}

.comparison__side {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.comparison__side--left {
  background: var(--color-pearl);
}

.comparison__side--right {
  background: var(--color-accent-light);
  border-left: 1px solid var(--color-ember);
}

.comparison__side-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.comparison__side--left .comparison__side-title {
  color: var(--color-stone);
}
.comparison__side--right .comparison__side-title {
  color: var(--color-accent);
}

.comparison__item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: var(--text-small);
  line-height: 1.5;
}

.comparison__side--left .comparison__item {
  color: var(--color-stone);
}

.comparison__side--right .comparison__item {
  color: var(--color-abyss);
  font-weight: 500;
}

.comparison__icon {
  flex-shrink: 0;
  margin-top: 0.15rem;
  font-size: 1.125rem;
}

.comparison__icon--fail { color: #DC2626; }
.comparison__icon--pass { color: var(--color-teal); }

@media (max-width: 768px) {
  .comparison__row {
    grid-template-columns: 1fr;
  }
  .comparison__side--right {
    border-left: none;
    border-top: 1px solid var(--color-ember);
  }
}


/* ═══════════════════════════════════════════════════
   SECURITY (light band)
   ═══════════════════════════════════════════════════ */
.security__intro {
  text-align: center;
  font-size: var(--text-lead);
  color: var(--color-stone);
  max-width: 720px;
  margin: 0 auto 3rem;
  line-height: 1.55;
}

.security__pillars {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.security__pillar {
  display: flex;
  gap: 1.5rem;
  background: var(--color-pearl);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--color-ember);
  transition: border-color var(--transition-fast);
}

.security__pillar:hover {
  border-color: var(--color-accent-muted);
}

.security__pillar-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
}

.security__pillar-content {
  flex: 1;
}

.security__pillar-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.3;
  color: var(--color-abyss);
}

.security__pillar-desc {
  font-size: var(--text-small);
  color: var(--color-stone);
  line-height: 1.6;
}

.security__fz152-example {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  background: var(--color-crest);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  line-height: 1.7;
  color: var(--color-abyss);
  border: 1px solid var(--color-ember);
  margin-top: 1rem;
}

.security__fz152-example .before { color: var(--color-stone); }
.security__fz152-example .arrow  { color: var(--color-accent); margin: 0 0.25rem; }
.security__fz152-example .after  { color: var(--color-abyss); font-weight: 500; }

@media (max-width: 768px) {
  .security__pillar {
    flex-direction: column;
    gap: 1rem;
  }
}


/* ═══════════════════════════════════════════════════
   CHAT DEMO (dark band)
   ═══════════════════════════════════════════════════ */
.chat-demo__window {
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-void);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(224,228,235,0.08);
  overflow: hidden;
}

.chat-demo__header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(224,228,235,0.06);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: rgba(224,228,235,0.5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(10,14,21,0.5);
}

.chat-demo__status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-teal);
  animation: status-blink 2s ease-in-out infinite;
}

@keyframes status-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

.chat-demo__body {
  padding: 1.5rem;
  min-height: 300px;
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scroll-behavior: smooth;
}

.chat-demo__message {
  max-width: 88%;
  padding: 0.875rem 1.125rem;
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  line-height: 1.55;
  animation: msg-in 0.35s ease;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-demo__message--agent {
  align-self: flex-start;
  background: rgba(224,228,235,0.06);
  color: rgba(224,228,235,0.85);
  border-bottom-left-radius: 4px;
  border: 1px solid rgba(224,228,235,0.06);
}

.chat-demo__message--user {
  align-self: flex-end;
  background: rgba(102,0,255,0.2);
  color: var(--color-ink);
  border-bottom-right-radius: 4px;
  border: 1px solid rgba(102,0,255,0.2);
}

.chat-demo__message-label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.375rem;
  opacity: 0.6;
}

/* Quick chips */
.chat-demo__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 1.5rem 0.5rem;
}

.chat-demo__chip {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  padding: 0.4rem 0.875rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(224,228,235,0.12);
  background: transparent;
  color: rgba(224,228,235,0.55);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chat-demo__chip:hover {
  border-color: rgba(224,228,235,0.3);
  color: var(--color-ink);
  background: rgba(224,228,235,0.04);
}

.chat-demo__chip--active {
  border-color: var(--color-accent);
  color: var(--color-accent-muted);
  background: rgba(102,0,255,0.08);
}

/* Input */
.chat-demo__input-row {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(224,228,235,0.06);
}

.chat-demo__input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  outline: none;
  padding: 0.5rem 0;
}

.chat-demo__input::placeholder {
  color: rgba(224,228,235,0.2);
}

.chat-demo__send {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  padding: 0.25rem;
  transition: opacity var(--transition-fast);
}

.chat-demo__send:hover { opacity: 0.7; }

/* ═══════════════════════════════════════════════════
   FAQ (light band)
   ═══════════════════════════════════════════════════ */
.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-ember);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-pearl);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-abyss);
  text-align: left;
  transition: all var(--transition-fast);
}

.faq__question:hover {
  background: var(--color-crest);
}

.faq__question-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-smooth);
  color: var(--color-stone);
}

.faq__item--open .faq__question-icon {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__item--open .faq__answer {
  max-height: 400px;
}

.faq__answer-inner {
  padding: 1.25rem 1.5rem;
  font-size: var(--text-small);
  color: var(--color-stone);
  line-height: 1.65;
  background: var(--color-pearl);
  border-top: 1px solid var(--color-ember);
  text-align: left;
}


/* ═══════════════════════════════════════════════════
   FOOTER (dark band)
   ═══════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid rgba(224,228,235,0.06);
  padding: 3rem 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}

.footer__brand-mark {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.625rem;
  color: var(--color-accent);
  background: rgba(102,0,255,0.1);
  flex-shrink: 0;
}

.footer__brand-desc {
  font-size: var(--text-small);
  color: rgba(224,228,235,0.4);
  line-height: 1.55;
  max-width: 340px;
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(224,228,235,0.35);
  margin-bottom: 1rem;
}

.footer__col a {
  display: block;
  font-size: var(--text-small);
  color: rgba(224,228,235,0.45);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.footer__col a:hover { color: var(--color-ink); }

.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(224,228,235,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: rgba(224,228,235,0.25);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: 0.5rem;
}

@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

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

/* ═══════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay--open {
  display: flex;
}

.modal-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,14,21,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal {
  position: relative;
  z-index: 1;
  background: var(--color-pearl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-ember);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-elevated);
  animation: modal-in 0.25s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 700;
  color: var(--color-stone);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  transition: color var(--transition-fast);
}
.modal__close:hover { color: var(--color-abyss); }

.modal__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 0.2rem 0.6rem;
  margin-bottom: 1rem;
}

.modal__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-abyss);
  line-height: 1.3;
}

.modal__desc {
  font-size: var(--text-small);
  color: var(--color-stone);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.modal__details {
  border-top: 1px solid var(--color-ember);
  border-bottom: 1px solid var(--color-ember);
  padding: 1rem 0;
  margin-bottom: 1rem;
  font-size: var(--text-small);
  line-height: 1.6;
  color: var(--color-abyss);
}

.modal__section-label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-stone);
  margin-bottom: 0.5rem;
}

.modal__skills {
  list-style: none;
  margin-bottom: 0.75rem;
}
.modal__skills li {
  font-size: var(--text-small);
  color: var(--color-stone);
  padding: 0.25rem 0;
  padding-left: 1rem;
  position: relative;
}
.modal__skills li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.modal__meta {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-stone);
  margin-bottom: 1.5rem;
}
.modal__meta strong { color: var(--color-abyss); }

.modal__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal__field-label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-stone);
  margin-bottom: 0.25rem;
}

.modal__input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-ember);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--color-abyss);
  background: var(--color-crest);
  outline: none;
  transition: border-color var(--transition-fast);
}
.modal__input:focus { border-color: var(--color-accent); }
.modal__input::placeholder { color: var(--color-stone); }

textarea.modal__input {
  resize: vertical;
  min-height: 80px;
}

.modal__success {
  text-align: center;
  padding: 2rem 0;
}

.modal__success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.modal__success-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-abyss);
}

.modal__success-desc {
  font-size: var(--text-small);
  color: var(--color-stone);
  max-width: 320px;
  margin: 0 auto 1.5rem;
  line-height: 1.55;
}

/* ═══════════════════════════════════════════════════
   COOKIE BANNER
   ═══════════════════════════════════════════════════ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: var(--color-pearl);
  border-top: 1px solid var(--color-ember);
  box-shadow: 0 -2px 8px rgba(10,14,21,0.08);
  padding: 0.75rem 0;
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  min-width: 280px;
  font-size: var(--text-label);
  line-height: 1.5;
  color: var(--color-stone);
}

.cookie-banner__links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cookie-banner__links a {
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: underline;
  white-space: nowrap;
}
.cookie-banner__links a:hover { color: var(--color-accent-hover); }

.cookie-banner__btn {
  flex-shrink: 0;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.cookie-banner__btn:hover { background: var(--color-accent-hover); }

@media (max-width: 768px) {
  .cookie-banner__inner { flex-direction: column; gap: 0.625rem; align-items: flex-start; }
  .cookie-banner__links { flex-direction: column; gap: 0.25rem; }
}

/* ═══════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}