/* ============================================
   A3 LAB — AGENTIC AUTOMATION ARCHITECTS LAB
   Design Tokens + Component Styles
   Dark theme: deep charcoal + cyan teal + warm amber
   ============================================ */

/* ---------- FONTS ---------- */
@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@400,500,700,800&f[]=satoshi@300,400,500,700&display=swap');

/* ---------- DESIGN TOKENS ---------- */
:root {
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ---------- DARK THEME (Default) ---------- */
:root, [data-theme="dark"] {
  --color-bg:             #0a0b0f;
  --color-surface:        #111318;
  --color-surface-2:      #181a21;
  --color-surface-offset: #1e2028;
  --color-border:         #2a2d38;
  --color-divider:        #1f2230;

  --color-text:           #e4e6ec;
  --color-text-muted:     #8b8f9e;
  --color-text-faint:     #5a5e6e;
  --color-text-inverse:   #0a0b0f;

  --color-primary:        #22d3ee;
  --color-primary-hover:  #06b6d4;
  --color-primary-active: #0891b2;
  --color-primary-glow:   rgba(34, 211, 238, 0.15);

  --color-accent:         #f59e0b;
  --color-accent-hover:   #d97706;

  --color-success:        #34d399;
  --color-error:          #f87171;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* ---------- LIGHT THEME ---------- */
[data-theme="light"] {
  --color-bg:             #f8f9fc;
  --color-surface:        #ffffff;
  --color-surface-2:      #f1f3f8;
  --color-surface-offset: #e8eaf2;
  --color-border:         #d1d5e0;
  --color-divider:        #e2e5ee;

  --color-text:           #111827;
  --color-text-muted:     #6b7280;
  --color-text-faint:     #9ca3af;
  --color-text-inverse:   #f8f9fc;

  --color-primary:        #0891b2;
  --color-primary-hover:  #0e7490;
  --color-primary-active: #155e75;
  --color-primary-glow:   rgba(8, 145, 178, 0.1);

  --color-accent:         #d97706;
  --color-accent-hover:   #b45309;

  --color-success:        #059669;
  --color-error:          #dc2626;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #f8f9fc;
    --color-surface:        #ffffff;
    --color-surface-2:      #f1f3f8;
    --color-surface-offset: #e8eaf2;
    --color-border:         #d1d5e0;
    --color-divider:        #e2e5ee;
    --color-text:           #111827;
    --color-text-muted:     #6b7280;
    --color-text-faint:     #9ca3af;
    --color-text-inverse:   #f8f9fc;
    --color-primary:        #0891b2;
    --color-primary-hover:  #0e7490;
    --color-primary-active: #155e75;
    --color-primary-glow:   rgba(8, 145, 178, 0.1);
    --color-accent:         #d97706;
    --color-accent-hover:   #b45309;
    --color-success:        #059669;
    --color-error:          #dc2626;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  }
}

/* ---------- SKIP LINK ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  z-index: 999;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}
.skip-link:focus { left: var(--space-4); }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}
.logo-mark {
  width: 40px;
  height: 40px;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}
.logo-text span {
  color: var(--color-primary);
}

.nav-desktop { display: none; }
@media (min-width: 768px) {
  .nav-desktop { display: flex; gap: var(--space-6); align-items: center; }
  .nav-mobile-toggle { display: none; }
}
.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.nav-desktop a:hover { color: var(--color-primary); }

.nav-mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
}
@media (min-width: 768px) {
  .nav-mobile-toggle { display: none; }
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 99;
  background: oklch(from var(--color-bg) l c h / 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: var(--space-24) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.nav-mobile a:hover { color: var(--color-primary); }
.nav-mobile-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 24px var(--color-primary-glow);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, var(--color-bg) 95%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-24) var(--space-4) var(--space-16);
  text-align: left;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.2);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  max-width: 14ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ---------- SECTION GENERIC ---------- */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
}
.section-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-12);
}

/* ---------- STATS BAR ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
  gap: var(--space-6);
  padding: var(--space-12) var(--space-4);
  max-width: var(--content-wide);
  margin-inline: auto;
}
.stat {
  text-align: center;
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ---------- SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.service-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-interactive);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: oklch(from var(--color-primary) l c h / 0.3);
}
.service-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.service-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-top: var(--space-4);
}

/* ---------- FEATURED (full-bleed image break) ---------- */
.featured-break {
  position: relative;
  width: 100%;
  height: 40vh;
  min-height: 280px;
  overflow: hidden;
}
.featured-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}
.featured-break::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-bg) 0%, transparent 40%, transparent 60%, var(--color-bg) 100%),
              linear-gradient(to bottom, var(--color-bg) 0%, transparent 30%, transparent 70%, var(--color-bg) 100%);
}
.featured-break-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  text-align: center;
  padding: var(--space-4);
}
.featured-break-content blockquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  max-width: 36ch;
  line-height: 1.3;
  color: var(--color-text);
}
.featured-break-content blockquote em {
  font-style: normal;
  color: var(--color-primary);
}

/* ---------- PROCESS / HOW WE WORK ---------- */
.process-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  position: relative;
}
.process-list::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), var(--color-primary));
  opacity: 0.3;
}
@media (min-width: 768px) {
  .process-list::before { left: 31px; }
}

.process-step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}
.process-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-base);
  color: var(--color-primary);
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .process-number {
    width: 64px;
    height: 64px;
    font-size: var(--text-lg);
  }
}
.process-step h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.process-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 55ch;
}

/* ---------- TECH STACK ---------- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
  gap: var(--space-4);
}
.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.stack-item:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.3);
  box-shadow: 0 0 20px var(--color-primary-glow);
}
.stack-item svg {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
}
.stack-item span {
  font-size: var(--text-sm);
  font-weight: 500;
}

/* ---------- PRICING ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 40px var(--color-primary-glow);
  position: relative;
}
.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pricing-tier {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}
.pricing-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.pricing-price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.pricing-price span {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}
.pricing-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}
.pricing-features {
  list-style: none;
  margin-bottom: var(--space-8);
  flex-grow: 1;
}
.pricing-features li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.pricing-features li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: var(--color-primary-glow);
  border-radius: var(--radius-full);
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2322d3ee' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}
.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: var(--content-narrow);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.faq-item:hover { border-color: oklch(from var(--color-primary) l c h / 0.3); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
}
.faq-question svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.3s var(--ease-out);
}
.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}
.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  background: var(--color-surface);
}
.faq-item.open .faq-answer { display: block; }

/* ---------- CTA SECTION ---------- */
.cta-section {
  text-align: center;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-4);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--color-primary-glow) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section .section-title {
  margin-inline: auto;
}
.cta-section .section-desc {
  margin-inline: auto;
}

/* ---------- FOOTER ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) var(--space-4) var(--space-6);
}
.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
  margin-top: var(--space-3);
  line-height: 1.6;
}
.footer-links h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.footer-links a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: color var(--transition-interactive);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-bottom a {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-bottom a:hover { color: var(--color-primary); }

/* ---------- SCROLL REVEALS ---------- */
.fade-in { opacity: 1; }
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

/* ---------- GRAIN OVERLAY ---------- */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.testimonial-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.testimonial-card:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.3);
  box-shadow: 0 0 20px var(--color-primary-glow);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: var(--text-lg);
  letter-spacing: 2px;
}

.testimonial-card p {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-muted);
  flex: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.testimonial-author span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}

/* ---------- CONTACT FORM ---------- */
.contact-form-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-8);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  font-family: var(--font-body);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: 0.75rem 1rem;
  border: 1.5px solid oklch(from var(--color-border) l c h / 1);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---------- WHAT WE AUTOMATE ---------- */
.automate-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}
@media (min-width: 901px) {
  .automate-grid .automate-card:nth-child(4),
  .automate-grid .automate-card:nth-child(5) {
    grid-column: span 1;
  }
  /* Center the last row of 2 cards */
  .automate-grid {
    justify-items: center;
  }
}
.automate-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.automate-card:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.35);
  box-shadow: 0 0 24px var(--color-primary-glow);
  transform: translateY(-2px);
}
.automate-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.automate-card p {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
}
@media (max-width: 900px) {
  .automate-grid { grid-template-columns: 1fr; }
}

/* ---------- AUTOMATION STORIES ---------- */
.stories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}
.story-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.story-card:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.35);
  box-shadow: 0 0 24px var(--color-primary-glow);
  transform: translateY(-2px);
}
.story-type {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}
.story-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.3;
}
.story-card p {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
}
.story-card p strong {
  color: var(--color-text);
}
.story-tools {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 500;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}
@media (max-width: 900px) {
  .stories-grid { grid-template-columns: 1fr; }
}

/* ---------- CHATBOT WIDGET ---------- */
#a3-chatbot {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 200;
  font-family: var(--font-body);
}

#chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.3);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
  cursor: pointer;
}
#chat-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(34, 211, 238, 0.45);
}
#chat-toggle.active {
  background: var(--color-surface-2);
  color: var(--color-text);
}
#chat-toggle svg { display: block; }

#chat-window {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 520px;
  max-height: calc(100vh - 120px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.chat-header-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--text-xs);
  font-family: var(--font-display);
}
.chat-header strong {
  font-size: var(--text-sm);
  color: var(--color-text);
  display: block;
}
.chat-status {
  font-size: 11px;
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: 4px;
}
.chat-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
}
#chat-close {
  color: var(--color-text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}
#chat-close:hover { color: var(--color-text); }

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.chat-body::-webkit-scrollbar { width: 4px; }
.chat-body::-webkit-scrollbar-track { background: transparent; }
.chat-body::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.chat-msg {
  max-width: 88%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.55;
  animation: chatFadeIn 0.25s var(--ease-out);
}
@keyframes chatFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-msg-bot {
  background: var(--color-surface-2);
  color: var(--color-text);
  align-self: flex-start;
  border-bottom-left-radius: var(--radius-sm);
}
.chat-msg-user {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  align-self: flex-end;
  border-bottom-right-radius: var(--radius-sm);
}

.chat-msg a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.chat-msg-user a { color: var(--color-text-inverse); }

.chat-cta-btn {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  text-decoration: none !important;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: background 0.2s;
  text-align: center;
}
.chat-cta-btn:hover { background: var(--color-primary-hover); }

/* Typing indicator */
.chat-typing {
  display: flex;
  gap: 4px;
  padding: var(--space-3) var(--space-4);
  align-items: center;
}
.chat-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: typingDot 1.2s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

/* Input area */
.chat-input-area {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
  background: var(--color-surface);
}
.chat-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chat-opt-btn {
  font-size: 13px;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}
.chat-opt-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

.chat-text-input {
  display: flex;
  gap: var(--space-2);
}
.chat-text-input input {
  flex: 1;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
}
.chat-text-input input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.chat-text-input input::placeholder { color: var(--color-text-faint); }
.chat-text-input button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: background 0.15s;
}
.chat-text-input button:hover { background: var(--color-primary-hover); }

@media (max-width: 480px) {
  #chat-window {
    width: calc(100vw - 16px);
    height: calc(100vh - 100px);
    bottom: 68px;
    right: -16px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  #a3-chatbot { right: var(--space-4); bottom: var(--space-4); }
}