/* ─────────────────────────────────────────────────────────────
 * Neutral Modern — AI Automations Officer
 * Blend: human/approachable + tech/utility
 * ────────────────────────────────────────────────────────── */

:root {
  --bg: #f1f5fb;
  --surface: #ffffff;
  --surface-warm: #f0efe9;

  --fg: #0f172a;
  --fg-2: #1e293b;
  --muted: #64748b;
  --meta: #94a3b8;

  --border: #d0d9ea;
  --border-soft: #e5ebf5;

  --accent: #4368f0;
  --accent-on: #ffffff;
  --accent-hover: color-mix(in oklab, var(--accent), black 10%);
  --accent-active: color-mix(in oklab, var(--accent), black 18%);

  --secondary: #0eb5a0;
  --secondary-on: #ffffff;
  --secondary-hover: color-mix(in oklab, #0eb5a0, black 10%);

  --success: #16c060;
  --warn: #f0b400;
  --danger: #e04444;

  --font-display: "Inter", -apple-system, system-ui, sans-serif;
  --font-body: "Inter", -apple-system, system-ui, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", monospace;

  --text-xs: clamp(11px, 0.7vw, 12px);
  --text-sm: clamp(13px, 0.85vw, 14px);
  --text-base: clamp(15px, 1vw, 16px);
  --text-lg: clamp(18px, 1.25vw, 20px);
  --text-xl: clamp(21px, 1.5vw, 24px);
  --text-2xl: clamp(26px, 2vw, 32px);
  --text-3xl: clamp(34px, 3vw, 48px);
  --text-4xl: clamp(40px, 4vw, 64px);

  --leading-body: 1.5;
  --leading-tight: 1.2;
  --leading-display: 1.05;
  --tracking-display: -0.02em;
  --tracking-wide: 0.04em;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  --section-y: clamp(48px, 5vw, 80px);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  --elev-flat: 0 1px 2px rgba(0,0,0,0.04);
  --elev-ring: 0 0 0 1px var(--border);
  --elev-card: 0 2px 8px rgba(67,104,240,0.06), 0 1px 2px rgba(0,0,0,0.06);
  --elev-raised: 0 8px 24px rgba(67,104,240,0.10), 0 2px 6px rgba(0,0,0,0.06);

  --focus-ring: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 70%);

  --motion-fast: 150ms;
  --motion-base: 250ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --container-max: 1200px;
  --container-gutter: clamp(16px, 3vw, 24px);
  --nav-height: 64px;
}

/* ─── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--nav-height);
  overflow-x: hidden;
  width: 100%;
}
#scrollProgress, #backToTop { overflow-x: visible; }
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a { color: var(--accent); text-decoration: none; transition: color var(--motion-fast) var(--ease-standard); }
a:hover { color: var(--accent-hover); }
::selection { background: color-mix(in oklab, var(--accent), transparent 80%); color: var(--fg); }

/* ─── Container ────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter);
}
.container-narrow {
  max-width: 820px;
  margin-inline: auto;
  padding-inline: var(--container-gutter);
}

/* ─── Typography ───────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  margin: 0;
  font-weight: 600;
}
h1 {
  font-size: var(--text-4xl);
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-display);
}
h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  color: var(--fg);
}
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
p { margin: 0; }
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--accent);
  background: color-mix(in oklab, var(--accent), transparent 90%);
  border: 1px solid color-mix(in oklab, var(--accent), transparent 78%);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: 700;
  padding: 3px 12px;
  margin-bottom: var(--space-4);
}
.eyebrow-muted {
  font-size: var(--text-xs);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.lead {
  font-size: var(--text-lg);
  color: var(--fg-2);
  line-height: 1.6;
}
.mono {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
}
.muted { color: var(--muted); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-center { text-align: center; }

/* ─── Nav ──────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: color-mix(in oklab, var(--surface), transparent 10%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-display);
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-brand:hover { color: var(--fg); }
.nav-brand-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}
.logo-44 {
  font-family: ui-monospace, 'JetBrains Mono', monospace;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  position: relative;
  box-shadow: 0 0 12px color-mix(in oklab, var(--accent), transparent 70%), 0 0 0 1px color-mix(in oklab, var(--accent), transparent 60%);
  text-shadow: 0 0 8px color-mix(in oklab, var(--accent), transparent 50%);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--motion-fast) var(--ease-standard);
}
.nav-links a:hover {
  color: var(--fg);
  background: color-mix(in oklab, var(--fg), transparent 95%);
}
.nav-links a.active {
  color: var(--accent);
  background: color-mix(in oklab, var(--accent), transparent 92%);
}
.nav-cta {
  padding: var(--space-2) var(--space-4) !important;
  background: linear-gradient(135deg, var(--accent), var(--secondary)) !important;
  color: var(--accent-on) !important;
  border-radius: var(--radius-sm) !important;
}
.nav-cta:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--secondary-hover)) !important;
  color: var(--accent-on) !important;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--fg);
  border-radius: var(--radius-sm);
}
.nav-toggle:hover { background: color-mix(in oklab, var(--fg), transparent 95%); }
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--space-3);
    gap: var(--space-2);
    box-shadow: var(--elev-raised);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: var(--space-2) var(--space-3); }
  .nav-links a.nav-cta { padding: var(--space-2) var(--space-3) !important; }
  .nav-links a:not(.nav-cta)::after { display: none; }
  .nav-toggle { display: block; }
}

/* ─── Glassmorphism & Depth ────────────────────────── */
.glass-card {
  background: color-mix(in oklab, var(--surface), transparent 40%) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid color-mix(in oklab, var(--border), transparent 40%) !important;
  box-shadow: 0 8px 32px color-mix(in oklab, var(--fg), transparent 96%) !important;
}

.hero-inner .hero-tag {
  background: color-mix(in oklab, var(--surface), transparent 60%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-color: color-mix(in oklab, var(--border), transparent 50%);
}

.proof-card {
  background: color-mix(in oklab, var(--surface), transparent 50%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: color-mix(in oklab, var(--border), transparent 50%);
}

/* ─── Trusted Tools Ticker ────────────────────────── */
.tools-section {
  padding-block: var(--space-8);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  overflow: hidden;
  background: var(--surface);
}
.tools-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  opacity: 0.6;
  filter: grayscale(1);
  transition: opacity 0.3s var(--ease-standard);
  flex-wrap: wrap;
}
.tools-grid:hover {
  opacity: 0.9;
  filter: grayscale(0.4);
}
.tool-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--muted);
  font-size: 18px;
  letter-spacing: -0.02em;
}
.tool-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.tool-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: block;
  vertical-align: middle;
}

/* ─── Process Flow Line ────────────────────────────── */
@media (min-width: 769px) {
  .process-grid {
    position: relative;
  }
  .process-grid::before {
    content: '';
    position: absolute;
    top: 100px;
    left: var(--space-12);
    right: var(--space-12);
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--border) 0, var(--border) 10px, transparent 10px, transparent 20px);
    z-index: 0;
  }
  .process-card {
    z-index: 1;
  }
}

/* ─── Testimonial Grid ────────────────────────────── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}
.testimonial-card::before {
  content: '“';
  position: absolute;
  top: 12px;
  right: 24px;
  font-size: 64px;
  font-family: serif;
  color: color-mix(in oklab, var(--accent), transparent 72%);
  line-height: 1;
}
.testimonial-text {
  font-size: var(--text-base);
  color: var(--fg);
  line-height: 1.6;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.author-info h4 {
  font-size: var(--text-sm);
  margin: 0;
}
.author-info p {
  font-size: var(--text-xs);
  color: var(--muted);
  margin: 0;
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: var(--space-1);
}

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

/* ─── Sections ─────────────────────────────────────────── */
section {
  padding-block: var(--section-y);
  position: relative;
}
/* Clear alternating backgrounds — use whitespace and elevation instead */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-soft), transparent);
  margin: 0;
  border: none;
}
.section-header {
  margin-bottom: var(--space-12);
  text-align: center;
}
.section-header h2 {
  max-width: 20ch;
  margin-inline: auto;
}
.section-header .lead {
  margin-inline: auto;
}


/* ─── Hero (Centered Authority) ────────────────────────── */
.hero-centered {
  position: relative;
  min-height: 90vh;
  min-height: 90svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: var(--space-12) 24px;
}
.hero-centered::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, color-mix(in oklab, var(--accent), transparent 78%) 0%, transparent 60%),
    radial-gradient(ellipse 60% 45% at 50% 90%, color-mix(in oklab, var(--secondary), transparent 80%) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(67,104,240,0.018) 40px, rgba(67,104,240,0.018) 41px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(67,104,240,0.018) 40px, rgba(67,104,240,0.018) 41px);
  pointer-events: none;
}
.hero-centered::after {
  content: '';
  position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--accent), transparent 55%), transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

@keyframes shimmer-tag {
  0%, 100% { background-position: 200% center; }
  50% { background-position: -200% center; }
}
.hero-inner .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: linear-gradient(90deg, var(--surface) 40%, color-mix(in oklab, var(--accent), transparent 85%) 50%, var(--surface) 60%);
  background-size: 200% auto;
  animation: shimmer-tag 36s ease-in-out infinite;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-mono);
}

.hero-inner h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 76px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 18ch;
}
.highlight {
  background: linear-gradient(135deg, var(--accent), #7c5cfc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ampersand {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 400;
}
.hero-inner .subtitle {
  font-size: clamp(16px, 1.15vw, 20px);
  color: var(--muted);
  line-height: 1.6;
  margin: 0 auto;
  max-width: 60ch;
  text-wrap: pretty;
}

.hero-centered .hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  padding-top: var(--space-2);
}

/* Proof bars row */
.proof-row {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: var(--space-8) auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  width: 100%;
}
.proof-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: left;
  transition: transform 0.2s var(--ease-standard), box-shadow 0.2s var(--ease-standard);
}
.proof-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.proof-card .icon {
  font-size: 20px;
}
.proof-label {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.proof-value {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Entrance */
.hero-inner > * {
  opacity: 1;
  animation: fadeUp 0.6s var(--ease-standard) forwards;
}
.hero-inner > *:nth-child(1) { animation-delay: 0.1s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.25s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.4s; }
.hero-inner > *:nth-child(4) { animation-delay: 0.55s; }

.proof-card {
  opacity: 1;
  animation: fadeUp 0.5s var(--ease-spring) forwards;
}
.proof-card:nth-child(1) { animation-delay: 0.65s; }
.proof-card:nth-child(2) { animation-delay: 0.75s; }
.proof-card:nth-child(3) { animation-delay: 0.85s; }

@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .hero-centered { min-height: auto; padding-block: var(--space-10); }
  .hero-centered h1 { max-width: none; }
  .proof-row { grid-template-columns: 1fr; margin-top: var(--space-6); }
  .scroll-arrow { display: none; }

  .hero h1 {
    max-width: none;
    font-size: clamp(28px, 8vw, 40px);
  }
  .hero .lead {
    max-width: none;
  }
}

/* ─── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--motion-fast) var(--ease-standard);
  text-decoration: none;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .btn { font-size: 13px; padding: 10px 14px; width: 100%; justify-content: center; }
  .btn-lg { padding: 10px 14px; font-size: 12px; }
  .btn.btn-lg { white-space: nowrap; }
  .hero-actions { flex-direction: column; align-items: stretch; }
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent), var(--secondary) 25%));
  color: var(--accent-on);
  box-shadow: 0 2px 8px color-mix(in oklab, var(--accent), transparent 72%);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), color-mix(in oklab, var(--accent-hover), var(--secondary-hover) 25%));
  color: var(--accent-on);
  box-shadow: 0 4px 14px color-mix(in oklab, var(--accent), transparent 60%);
}
.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: color-mix(in oklab, var(--accent), transparent 94%);
  border-color: var(--accent);
  color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}
.btn-ghost:hover {
  color: var(--fg);
  background: color-mix(in oklab, var(--fg), transparent 95%);
}

.btn-lg {
  padding: 16px 28px;
  font-size: var(--text-base);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ─── Cards ────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--elev-card);
  transition: box-shadow var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--elev-raised);
  border-color: color-mix(in oklab, var(--accent), transparent 70%);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.card h3 {
  margin-bottom: var(--space-2);
}
.card p {
  color: var(--fg-2);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ─── Grid layouts ─────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ─── Case study card ──────────────────────────────────── */
.case-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--elev-card);
  overflow: hidden;
  transition: box-shadow var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elev-raised);
}
.case-card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  background: linear-gradient(to right, color-mix(in oklab, var(--accent), transparent 96%), color-mix(in oklab, var(--secondary), transparent 96%));
}
.case-card-header h3 {
  font-size: var(--text-xl);
  margin: 0;
}
.case-badge {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 500;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.case-badge.automation {
  background: color-mix(in oklab, var(--accent), transparent 84%);
  color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent), transparent 75%);
}
.case-badge.ai {
  background: color-mix(in oklab, var(--secondary), transparent 84%);
  color: var(--secondary);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--secondary), transparent 75%);
}
.case-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.stat-item {
  text-align: center;
  padding: var(--space-3);
  background: var(--bg);
  border-radius: var(--radius-sm);
}
.stat-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: var(--space-1);
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--muted);
}
.case-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.detail-block h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--fg);
}
.detail-block p {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .case-card-header { flex-direction: column; }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
  .case-detail { grid-template-columns: 1fr; }
}

/* ─── About ────────────────────────────────────────────── */
.about-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  gap: var(--space-6);
}
.about-grid .blockquote {
  text-align: left;
}
.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent), #8b5cf6, var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 48px;
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 20px color-mix(in oklab, var(--accent), transparent 75%);
}
.about-avatar.logo-44 {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  font-family: ui-monospace, 'JetBrains Mono', monospace;
  font-size: 56px;
  font-weight: 900;
  letter-spacing: -0.03em;
  box-shadow: 0 0 0 4px var(--surface), 0 0 0 6px color-mix(in oklab, var(--accent), transparent 60%), 0 8px 32px color-mix(in oklab, var(--accent), transparent 65%);
  text-shadow: 0 0 16px color-mix(in oklab, var(--accent), transparent 40%);
}
.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  justify-content: center;
}
.skill-tag {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  background: color-mix(in oklab, var(--accent), transparent 92%);
  border: 1px solid color-mix(in oklab, var(--accent), transparent 80%);
  color: var(--accent);
}
.skill-tag:nth-child(3n+2) {
  background: color-mix(in oklab, var(--secondary), transparent 92%);
  border-color: color-mix(in oklab, var(--secondary), transparent 80%);
  color: var(--secondary);
}
.skill-tag:nth-child(3n) {
  background: color-mix(in oklab, var(--success), transparent 92%);
  border-color: color-mix(in oklab, var(--success), transparent 80%);
  color: var(--success);
}

@media (max-width: 768px) {
  .about-grid { gap: var(--space-6); }
}

/* ─── Process / timeline ──────────────────────────── */
.process-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 600px;
}
.process-item {
  display: flex;
  gap: var(--space-5);
}
.process-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
}
.process-content h4 {
  margin-bottom: var(--space-1);
}
.process-content p {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
}

/* ─── Form ─────────────────────────────────────────────── */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  max-width: 560px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--fg);
}
.field input,
.field textarea,
.field select {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  font-family: inherit;
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard);
}
.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible {
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--meta);
}
.field textarea {
  min-height: 120px;
  resize: vertical;
}
.field-help {
  font-size: var(--text-xs);
  color: var(--meta);
  margin-top: var(--space-1);
}

/* ─── Status messages ──────────────────────────────────── */
.status-msg {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  display: none;
}
.status-msg.success {
  display: block;
  background: color-mix(in oklab, var(--success), transparent 90%);
  color: var(--success);
  border: 1px solid color-mix(in oklab, var(--success), transparent 80%);
}
.status-msg.error {
  display: block;
  background: color-mix(in oklab, var(--danger), transparent 90%);
  color: var(--danger);
  border: 1px solid color-mix(in oklab, var(--danger), transparent 80%);
}

/* ─── Footer ───────────────────────────────────────────── */
footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--border);
  margin-top: var(--space-12);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-top: var(--space-3);
  max-width: 32ch;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.footer-col a {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  text-decoration: none;
  transition:
    border-color var(--motion-fast) var(--ease-standard),
    background-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard);
  align-self: flex-start;
}
.footer-col a:hover {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent), transparent 92%);
  color: var(--accent);
}
.footer-bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--meta);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─── Decorative elements ──────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-warm {
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.accent-line {
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: var(--space-4);
}
.tech-bg-pattern {
  position: relative;
}
.tech-bg-pattern::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 15% 40%, color-mix(in oklab, var(--accent), transparent 93%) 0%, transparent 55%),
    radial-gradient(circle at 85% 25%, color-mix(in oklab, var(--secondary), transparent 92%) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, color-mix(in oklab, var(--accent), transparent 96%) 0%, transparent 45%);
  pointer-events: none;
  z-index: -1;
}

/* ─── Lead magnet card ──────────────────────────── */
.lead-card {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  background: linear-gradient(135deg,
    color-mix(in oklab, var(--accent), transparent 88%),
    color-mix(in oklab, var(--secondary), transparent 88%)
  ) !important;
  border-color: color-mix(in oklab, var(--accent), transparent 60%) !important;
}
.lead-card h2 {
  max-width: 22ch;
  margin-inline: auto;
}

/* ─── Process grid (visual 3-step) ─────────────── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}
.process-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  position: relative;
  transition: transform 0.3s var(--ease-standard), box-shadow 0.3s var(--ease-standard);
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.process-card-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  margin: 0 auto var(--space-4);
}
.process-card-icon {
  font-size: 36px;
  margin-bottom: var(--space-4);
  line-height: 1;
}
.process-card h3 {
  margin-bottom: var(--space-3);
}
.process-card p {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .process-grid { grid-template-columns: 1fr; }
}

/* ─── Service description bullets on mobile ────── */
.service-bullets {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.service-bullets li {
  font-size: var(--text-sm);
  color: var(--fg-2);
  line-height: 1.5;
  padding-left: var(--space-4);
  position: relative;
}
.service-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
}

/* ─── Divider ──────────────────────────────────────────── */
.divider {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ─── Quote block ──────────────────────────────────────── */
.blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-5);
  margin: var(--space-6) 0;
}
.blockquote p {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--fg);
  line-height: 1.6;
}
.blockquote cite {
  font-size: var(--text-sm);
  color: var(--muted);
  font-style: normal;
  margin-top: var(--space-2);
  display: block;
}

/* ─── Animations ───────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease-standard), transform 0.55s var(--ease-standard);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Section entrance (each-parent style) ──────────── */
section.section-entrance {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-standard), transform 0.6s var(--ease-standard);
}
section.section-entrance.section-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Content stagger (cont-anim style) ────────────── */
.cont-anim {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s var(--ease-standard), transform 0.5s var(--ease-standard);
}
.cont-anim.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children inside cont-anim */
.cont-anim-stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s var(--ease-standard), transform 0.4s var(--ease-standard);
}
.cont-anim-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}
.cont-anim-stagger > *:nth-child(1) { transition-delay: 0.05s; }
.cont-anim-stagger > *:nth-child(2) { transition-delay: 0.15s; }
.cont-anim-stagger > *:nth-child(3) { transition-delay: 0.25s; }
.cont-anim-stagger > *:nth-child(4) { transition-delay: 0.35s; }
.cont-anim-stagger > *:nth-child(5) { transition-delay: 0.45s; }
.cont-anim-stagger > *:nth-child(6) { transition-delay: 0.55s; }

/* ─── Scroll-down arrow ────────────────────────────── */
.scroll-arrow {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 36px;
  border: 2px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
  opacity: 0;
  animation: scroll-arrow-bob 2.5s ease-in-out infinite;
  animation-delay: 1.2s;
  pointer-events: none;
}
.scroll-arrow::after {
  content: '';
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  animation: scroll-arrow-dot 2.5s ease-in-out infinite;
}
@keyframes scroll-arrow-bob {
  0%, 100% { opacity: 0; }
  15% { opacity: 0.6; }
  60% { opacity: 0.6; }
  75% { opacity: 0; }
}
@keyframes scroll-arrow-dot {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ─── Stack utilities ──────────────────────────────────── */
.stack-2 > * + * { margin-block-start: var(--space-2); }
.stack-3 > * + * { margin-block-start: var(--space-3); }
.stack-4 > * + * { margin-block-start: var(--space-4); }
.stack-6 > * + * { margin-block-start: var(--space-6); }
.stack-8 > * + * { margin-block-start: var(--space-8); }

/* ─── Misc ─────────────────────────────────────────────── */
.page-header {
  padding-block: clamp(40px, 5vw, 80px);
  text-align: center;
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent), transparent 94%), transparent 60%);
  position: relative;
}
.page-header h1 {
  font-size: var(--text-4xl);
  letter-spacing: var(--tracking-display);
  animation: fadeInUp 0.5s var(--ease-standard) both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 767px) {
  .page-header h1 { font-size: var(--text-3xl); }
}
.page-header .lead {
  max-width: 56ch;
  margin-inline: auto;
  font-size: var(--text-lg);
}

.icon-inline {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  vertical-align: middle;
}

/* ─── Contact page ─────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.contact-method {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.contact-method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent), transparent 85%), color-mix(in oklab, var(--secondary), transparent 85%));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.contact-method-icon svg {
  width: 20px;
  height: 20px;
}
.contact-method h4 {
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.contact-method p {
  font-size: var(--text-sm);
  color: var(--muted);
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

@media (max-width: 480px) {
  .card[style*="padding"] { padding: 24px 16px !important; }
}

/* ─── Print ────────────────────────────────────────────── */
@media print {
  nav, footer, .no-print, #scrollProgress, #backToTop, #particleCanvas, .tools-section {
    display: none !important;
  }
  body {
    padding-top: 0;
    background: white;
    color: black;
    font-size: 11pt;
  }
  .hero-centered { min-height: auto; padding: 20px; }
  .proof-card { break-inside: avoid; page-break-inside: avoid; border: 1px solid #ccc; }
  .card, .case-card, .process-card { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
  .page-header { padding-block: 20px; background: none !important; }
  .btn { border: 1px solid #ccc; background: #f5f5f5 !important; color: black !important; box-shadow: none !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; }
}

/* ══════════════════════════════════════════════════════════════
   ADVANCED ANIMATIONS — AI Automations Officer
   ══════════════════════════════════════════════════════════════ */

/* ─── Scroll Progress Bar ──────────────────────────── */
#scrollProgress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  z-index: 1001;
  width: 0%;
  border-radius: 0 2px 2px 0;
  will-change: width;
}

/* ─── Particle Canvas ──────────────────────────────── */
#particleCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero #particleCanvas,
.hero-centered #particleCanvas {
  z-index: 0;
}
.hero .container,
.hero-centered .container {
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) {
  .hero .container { z-index: auto; }
}

/* ─── Hero Entrance Stagger (content stays visible, subtle slide) ─── */

@keyframes hero-slide {
  from { transform: translateY(8px); }
  to { transform: translateY(0); }
}

/* hero-entrance class — applied by JS to .hero-inner on load */
.hero-entrance > * {
  animation: fadeUp 0.6s var(--ease-standard) forwards;
}

/* ─── Text Reveal (word by word) ──────────────────── */
.text-reveal { visibility: visible; }
.reveal-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(10px) rotateX(40deg);
  transition: opacity 0.4s var(--ease-standard), transform 0.4s var(--ease-standard);
}
.reveal-word.visible {
  opacity: 1;
  transform: translateY(0) rotateX(0);
}

/* ─── Scroll Stagger Group ─────────────────────────── */
.stagger-group > .stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-standard), transform 0.5s var(--ease-standard);
}
.stagger-group > .stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Back to Top Button ──────────────────────────── */
#backToTop {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease-standard), transform 0.3s var(--ease-standard), box-shadow 0.3s var(--ease-standard), border-color 0.3s var(--ease-standard);
  pointer-events: none;
  box-shadow: var(--elev-flat);
}
#backToTop.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  box-shadow: var(--elev-raised);
}
#backToTop:hover {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 4px 12px color-mix(in oklab, var(--accent), transparent 80%);
}
#backToTop:active {
  transform: translateY(2px);
}
#backToTop svg {
  width: 20px;
  height: 20px;
}

/* ─── Smooth Details Accordion ─────────────────────── */
details.card {
  overflow: hidden;
  transition: max-height 0.35s var(--ease-standard), border-color 0.3s var(--ease-standard);
}
details.card summary::-webkit-details-marker { display: none; }
details.card summary::marker { display: none; content: ''; }
details.card summary {
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
details.card summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--muted);
  transition: transform 0.3s var(--ease-standard), color 0.3s var(--ease-standard);
  flex-shrink: 0;
  margin-left: var(--space-3);
  line-height: 1;
}
details.card[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent);
}
details.card p {
  opacity: 0;
  transition: opacity 0.25s var(--ease-standard);
  transition-delay: 0s;
}
details.card[open] p {
  opacity: 1;
  transition-delay: 0.1s;
}

/* ─── Card Tilt Base ──────────────────────────────── */
.card-hover, .case-card {
  transition: transform 0.15s var(--ease-standard), box-shadow 0.15s var(--ease-standard);
  will-change: transform;
}

/* ─── Button Glow Overlay ─────────────────────────── */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, color-mix(in oklab, white, transparent 90%), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-standard);
  pointer-events: none;
}
.btn-primary:hover::after {
  opacity: 1;
}

/* ─── Nav Underline Animated ──────────────────────── */
.nav-links a:not(.nav-cta) {
  position: relative;
}
.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.2s var(--ease-standard);
  border-radius: 1px;
  transform-origin: left;
}
.nav-links a:not(.nav-cta):hover::after,
.nav-links a:not(.nav-cta).active::after {
  transform: scaleX(1);
}

/* ─── Section Card Hover Enhance ──────────────────── */
.case-card {
  cursor: default;
}

/* ─── Process Number Pulse ─────────────────────────── */
.process-num {
  animation: process-pulse 4s ease-in-out infinite;
}
@keyframes process-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent), transparent 60%); }
  50% { box-shadow: 0 0 0 8px color-mix(in oklab, var(--accent), transparent 90%); }
}

/* ─── Hero Tag Pulse ──────────────────────────────── */
.hero-tag-dot {
  animation: dot-pulse 2s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}



/* ─── Image utilities ────────────────────────────── */
.content-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--border-soft);
  position: relative;
}
.content-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.content-img-16x9 { aspect-ratio: 16 / 9; }
.content-img-4x3 { aspect-ratio: 4 / 3; }
.content-img-3x2 { aspect-ratio: 3 / 2; }

/* ─── Case study filter buttons ────────────── */
.filter-group {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--motion-fast) var(--ease-standard);
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  border-color: transparent;
}
.filter-btn[aria-selected="true"] {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  border-color: transparent;
}

/* ─── Hero background image layer ──────────────── */


/* ─── Card image top ───────────────────────────── */
.card-img-top {
  margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-6)) var(--space-5);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  height: 140px;
}
.card-img-top img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease-standard);
}
.card-hover:hover .card-img-top img {
  transform: scale(1.05);
}

@media (max-width: 640px) {
  .card-img-top { height: 120px; }
}

/* ─── Case study image ─────────────────────────── */
.case-img-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4);
  align-items: start;
}
@media (max-width: 768px) {
  .case-img-row { grid-template-columns: 1fr; }
}

/* ─── About section image ──────────────────────── */
.about-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ─── Reduced Motion ────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #particleCanvas { display: none !important; }
  .process-num { animation: none; }
  .hero-tag-dot { animation: none; }
}