/* ============================================
   AxiomState. Main stylesheet.
   Bloomberg terminal meets Stripe docs.
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: #ffffff;
  --color-bg-dark: #0a0f1a;
  --color-bg-muted: #f4f5f7;
  --color-bg-card: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-text-light: #e2e4e9;
  --color-accent: #00d4aa;
  --color-accent-hover: #00b893;
  --color-accent-subtle: rgba(0, 212, 170, 0.08);
  --color-border: #e5e7eb;
  --color-border-dark: #1e2535;
  --color-positive: #00d4aa;
  --font-heading: 'General Sans', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --container: 1200px;
  --container-narrow: 760px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
}

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); line-height: 1.65; }
body.nav-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--color-text); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); font-weight: 600; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: var(--container-narrow); }

/* --- Header --- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--color-border); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }

/* Logo */
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo img { height: 32px; width: auto; display: block; }
.footer-logo img { height: 28px; filter: brightness(0) invert(1); }

.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav a { color: var(--color-text); font-size: 0.875rem; font-weight: 500; font-family: var(--font-heading); transition: color var(--transition); }
.main-nav a:hover { color: var(--color-accent); }
.nav-cta { background: var(--color-text); color: #fff !important; padding: 0.5rem 1.25rem; border-radius: var(--radius); font-weight: 600 !important; }
.nav-cta:hover { background: var(--color-accent); color: var(--color-bg-dark) !important; }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); margin: 5px 0; transition: var(--transition); }

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .main-nav { position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: #fff; flex-direction: column; padding: 2rem; gap: 1.5rem; transform: translateX(100%); transition: transform 0.3s ease; }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { font-size: 1.125rem; }
  .mobile-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .mobile-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .mobile-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

.footer-logo { display: inline-block; margin-bottom: 1rem; }

/* --- Buttons --- */
.btn { display: inline-block; font-family: var(--font-heading); font-weight: 600; font-size: 0.9375rem; padding: 0.75rem 1.75rem; border-radius: var(--radius); border: none; cursor: pointer; transition: all var(--transition); text-align: center; }
.btn-primary { background: var(--color-accent); color: var(--color-bg-dark); }
.btn-primary:hover { background: var(--color-accent-hover); color: var(--color-bg-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0, 212, 170, 0.3); }
.btn-secondary { background: transparent; color: var(--color-accent); border: 1.5px solid var(--color-accent); }
.btn-secondary:hover { background: var(--color-accent-subtle); }
.btn-ghost { background: transparent; color: var(--color-text-light); border: 1.5px solid rgba(255,255,255,0.2); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-large { padding: 1rem 2.25rem; font-size: 1.0625rem; }
.btn-full { width: 100%; }

/* --- Hero --- */
.hero { background: var(--color-bg-dark); color: var(--color-text-light); padding: 6rem 0 5rem; text-align: center; }
.hero h1 { color: #fff; max-width: 900px; margin: 0 auto 1.25rem; }
.hero-eyebrow { font-family: var(--font-mono); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-accent); margin-bottom: 1.25rem; font-weight: 500; }
.hero-sub { font-size: clamp(1rem, 2vw, 1.25rem); color: #9ca3b0; max-width: 640px; margin: 0 auto 2rem; line-height: 1.6; }
.hero-compact { padding: 4rem 0 3rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.stat-highlight { color: var(--color-accent); font-family: var(--font-mono); }

/* --- Social Proof --- */
.social-proof { background: var(--color-bg-muted); padding: 3rem 0; border-bottom: 1px solid var(--color-border); }
.logo-strip { display: flex; align-items: center; justify-content: center; gap: 3rem; flex-wrap: wrap; margin-bottom: 2rem; }
.logo-strip img { height: 36px; width: auto; filter: grayscale(100%); opacity: 0.5; transition: all var(--transition); }
.logo-strip img:hover { filter: grayscale(0); opacity: 1; }
.proof-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
.proof-stat { display: flex; flex-direction: column; gap: 0.25rem; }
.stat-number { font-family: var(--font-mono); font-size: 1.75rem; font-weight: 700; color: var(--color-text); letter-spacing: -0.02em; }
.stat-label { font-size: 0.8125rem; color: var(--color-text-muted); font-weight: 500; }

@media (max-width: 640px) {
  .proof-stats { grid-template-columns: repeat(2, 1fr); }
  .logo-strip { gap: 1.5rem; }
  .logo-strip img { height: 28px; }
}

/* --- Section Shared --- */
.section-title { text-align: center; margin-bottom: 0.75rem; }
.section-sub { text-align: center; color: var(--color-text-muted); max-width: 600px; margin: 0 auto 3rem; font-size: 1.0625rem; }
.section-eyebrow { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-accent); margin-bottom: 0.75rem; font-weight: 500; }
.section-cta { text-align: center; margin-top: 2.5rem; }

/* --- Patterns --- */
.patterns { padding: 5rem 0; }
.pattern-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.5rem; }
.pattern-card { display: flex; flex-direction: column; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; transition: all var(--transition); opacity: 0; transform: translateY(20px); }
.pattern-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.pattern-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-lg); }
.pattern-number { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-accent); font-weight: 600; display: block; margin-bottom: 0.75rem; }
.pattern-card h3 { margin-bottom: 0.75rem; font-size: 1.25rem; }
.pattern-card p { color: var(--color-text-muted); font-size: 0.9375rem; margin-bottom: 1.25rem; }
.pattern-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}
.pattern-stat {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}
.pattern-stat .stat-number { font-size: 1.125rem; line-height: 1; flex-shrink: 0; }
.pattern-label { font-size: 0.8125rem; font-weight: 500; color: var(--color-text); line-height: 1.3; }
.pattern-timeline {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg-muted);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  white-space: nowrap;
  align-self: center;
}

/* --- Case Preview --- */
.case-preview { padding: 5rem 0; background: var(--color-bg-muted); }
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.case-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; text-decoration: none; color: var(--color-text); transition: all var(--transition); opacity: 0; transform: translateY(20px); }
.case-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.case-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-lg); color: var(--color-text); }
.case-logo { height: 40px; width: auto; margin-bottom: 1rem; }
.case-vertical { font-size: 0.8125rem; color: var(--color-text-muted); font-weight: 500; margin-bottom: 0.5rem; }
.case-finding { font-size: 0.9375rem; margin-bottom: 1.25rem; }
.case-result {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}
.case-result .stat-number { font-size: 2rem; color: var(--color-accent); line-height: 1; flex-shrink: 0; }
.case-result span:last-child { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.3; }

/* --- Harvv Teaser --- */
.harvv-teaser { padding: 5rem 0; background: var(--color-bg-dark); color: var(--color-text-light); }
.harvv-teaser .container { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.harvv-teaser h2 { color: #fff; margin-bottom: 1.25rem; }
.harvv-teaser p { color: #9ca3b0; margin-bottom: 1.5rem; }
.harvv-teaser em { color: var(--color-accent); font-style: normal; }
.harvv-teaser-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.harvv-stat { background: rgba(255,255,255,0.04); border: 1px solid var(--color-border-dark); border-radius: var(--radius); padding: 1.5rem; text-align: center; }
.harvv-stat .stat-number { color: var(--color-accent); display: block; margin-bottom: 0.25rem; }
.harvv-stat .stat-label { font-size: 0.8125rem; color: #9ca3b0; }

@media (max-width: 768px) {
  .harvv-teaser .container { grid-template-columns: 1fr; gap: 2rem; }
}

/* --- Blog Preview / Blog Index --- */
.blog-preview, .blog-listing { padding: 5rem 0; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.blog-card { display: block; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; text-decoration: none; color: var(--color-text); transition: all var(--transition); }
.blog-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-lg); color: var(--color-text); }
.blog-card img { width: 100%; height: 200px; object-fit: cover; }
.blog-card-body { padding: 1.5rem; }
.blog-card time { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.blog-card h3 { margin: 0.5rem 0; font-size: 1.125rem; }
.blog-card p { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.6; }

/* --- Blog Post --- */
.blog-article { padding-bottom: 4rem; }
.blog-header { background: var(--color-bg-dark); color: var(--color-text-light); padding: 4rem 0 3rem; }
.blog-header h1 { color: #fff; margin-bottom: 1rem; }
.back-link { display: inline-block; font-size: 0.875rem; color: var(--color-accent); margin-bottom: 1.5rem; }
.back-link:hover { color: var(--color-accent-hover); }
.blog-meta { display: flex; gap: 1rem; font-size: 0.875rem; color: #9ca3b0; }
.blog-featured-image { margin: -2rem 0 2rem; border-radius: var(--radius-lg); overflow: hidden; }
.blog-featured-image img { width: 100%; }

/* Prose */
.prose { font-size: 1.0625rem; line-height: 1.75; }
.prose h2 { margin: 2.5rem 0 1rem; }
.prose h3 { margin: 2rem 0 0.75rem; }
.prose p { margin-bottom: 1.25rem; }
.prose ul, .prose ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose strong { font-weight: 600; }
.prose blockquote { border-left: 3px solid var(--color-accent); padding-left: 1.25rem; margin: 1.5rem 0; color: var(--color-text-muted); font-style: italic; }
.prose code { font-family: var(--font-mono); font-size: 0.875em; background: var(--color-bg-muted); padding: 0.15em 0.4em; border-radius: 4px; }
.prose pre { background: var(--color-bg-dark); color: var(--color-text-light); padding: 1.5rem; border-radius: var(--radius); overflow-x: auto; margin-bottom: 1.5rem; }
.prose pre code { background: none; padding: 0; font-size: 0.875rem; }
.prose table { width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; font-size: 0.9375rem; }
.prose th, .prose td { padding: 0.75rem 1rem; border: 1px solid var(--color-border); text-align: left; }
.prose th { background: var(--color-bg-muted); font-weight: 600; font-family: var(--font-heading); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.05em; }
.prose img { border-radius: var(--radius); margin: 1.5rem 0; }

.blog-cta { padding: 0 0 4rem; }
.inline-cta { background: var(--color-bg-muted); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2.5rem; text-align: center; }
.inline-cta h3 { margin-bottom: 0.5rem; }
.inline-cta p { color: var(--color-text-muted); margin-bottom: 1.5rem; }

/* --- Final CTA --- */
.final-cta { padding: 5rem 0; background: var(--color-bg-dark); color: var(--color-text-light); text-align: center; }
.final-cta h2 { color: #fff; max-width: 700px; margin: 0 auto 1rem; }
.final-cta em { color: var(--color-accent); font-style: normal; }
.final-cta p { color: #9ca3b0; margin-bottom: 2rem; font-size: 1.0625rem; }

/* --- Contact Form --- */
.contact-form-section { padding: 4rem 0 5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-family: var(--font-heading); font-weight: 600; font-size: 0.875rem; }
.required { color: var(--color-accent); }
.form-group input, .form-group select, .form-group textarea {
  font-family: var(--font-body); font-size: 1rem; padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border); border-radius: var(--radius);
  background: var(--color-bg); color: var(--color-text); transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-subtle);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.form-message { padding: 1.25rem 1.5rem; border-radius: var(--radius); margin-bottom: 1.5rem; font-weight: 500; }
.form-error { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; }
.form-success { background: rgba(0,212,170,0.08); border: 1px solid rgba(0,212,170,0.2); color: var(--color-text); }
.form-success h2 { font-size: 1.25rem; margin-bottom: 0.5rem; }

.contact-alt { text-align: center; margin-top: 2rem; font-size: 0.875rem; color: var(--color-text-muted); }

/* --- Case Studies Page --- */
.case-studies { padding: 4rem 0 5rem; }
.case-study { border: 1px solid var(--color-border); border-radius: var(--radius-lg); margin-bottom: 3rem; overflow: hidden; }
.case-study-header { display: flex; align-items: center; gap: 1.5rem; padding: 2rem; background: var(--color-bg-muted); border-bottom: 1px solid var(--color-border); }
.case-study-logo { height: 48px; width: auto; flex-shrink: 0; }
.case-study-meta h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.meta-tags { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.meta-tags span { font-family: var(--font-mono); font-size: 0.6875rem; background: var(--color-bg); border: 1px solid var(--color-border); padding: 0.2rem 0.6rem; border-radius: 100px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.case-study-body { padding: 2rem; }
.case-study-section { margin-bottom: 2rem; }
.case-study-section:last-child { margin-bottom: 0; }
.case-study-section h3 { font-family: var(--font-mono); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); margin-bottom: 0.75rem; }
.case-study-section p { color: var(--color-text-muted); line-height: 1.7; }

.results-table { overflow-x: auto; margin: 1rem 0; }
.results-table table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.875rem; }
.results-table th { background: var(--color-bg-muted); padding: 0.75rem 1rem; text-align: left; font-weight: 600; border-bottom: 2px solid var(--color-border); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.results-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border); }
.results-table .positive { color: var(--color-positive); font-weight: 600; }
.case-timeline { font-size: 0.875rem; color: var(--color-text-muted); margin-top: 1rem; }

.case-study-mention { display: flex; align-items: center; gap: 1.5rem; padding: 2rem; background: var(--color-bg-muted); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.case-study-mention h3 { margin-bottom: 0.5rem; }
.case-study-mention p { color: var(--color-text-muted); font-size: 0.9375rem; }

/* --- Services Page --- */
.services-list { padding: 4rem 0 5rem; }
.service-block { display: flex; gap: 2rem; margin-bottom: 4rem; padding-bottom: 4rem; border-bottom: 1px solid var(--color-border); opacity: 0; transform: translateY(20px); }
.service-block.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.service-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.service-number { font-family: var(--font-mono); font-size: 3rem; font-weight: 700; color: var(--color-bg-muted); line-height: 1; flex-shrink: 0; width: 80px; }
.service-content { flex: 1; }
.service-content h2 { margin-bottom: 0.75rem; }
.service-lead { font-size: 1.0625rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 1.5rem; }
.service-details { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.service-includes h4 { margin-bottom: 0.75rem; }
.service-includes ul { list-style: none; padding: 0; }
.service-includes li { padding: 0.4rem 0; padding-left: 1.25rem; position: relative; font-size: 0.9375rem; color: var(--color-text-muted); }
.service-includes li::before { content: '→'; position: absolute; left: 0; color: var(--color-accent); font-family: var(--font-mono); font-size: 0.75rem; }
.service-proof { display: flex; flex-direction: column; gap: 1rem; }
.proof-card { background: var(--color-bg-muted); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.proof-card .stat-number { display: block; font-size: 1.5rem; color: var(--color-accent); margin-bottom: 0.25rem; }
.proof-card span:last-child { font-size: 0.8125rem; color: var(--color-text-muted); }
.service-audiences { display: flex; flex-direction: column; gap: 1rem; }
.service-audiences div { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6; }
.service-audiences strong { color: var(--color-text); }
.service-content > .btn { margin-top: 1.5rem; }

@media (max-width: 768px) {
  .service-block { flex-direction: column; gap: 0.5rem; }
  .service-number { font-size: 1.5rem; width: auto; }
  .service-details { grid-template-columns: 1fr; }
}

/* --- Harvv Page --- */
.how-it-works { padding: 5rem 0; background: var(--color-bg-muted); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.step { text-align: center; padding: 2rem 1.5rem; opacity: 0; transform: translateY(20px); }
.step.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 50%; background: var(--color-accent); color: var(--color-bg-dark); font-family: var(--font-mono); font-weight: 700; font-size: 1.25rem; margin-bottom: 1.25rem; }
.step h3 { margin-bottom: 0.75rem; }
.step p { color: var(--color-text-muted); font-size: 0.9375rem; }

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

.signals { padding: 5rem 0; }
.signals-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.signal-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; opacity: 0; transform: translateY(10px); }
.signal-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.4s ease, transform 0.4s ease; }
.signal-card:hover { border-color: var(--color-accent); }
.signal-card h4 { text-transform: none; letter-spacing: 0; color: var(--color-text); font-size: 0.9375rem; font-family: var(--font-heading); margin-bottom: 0.375rem; }
.signal-card p { font-size: 0.8125rem; color: var(--color-text-muted); }

.harvv-developers { padding: 5rem 0; background: var(--color-bg-muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.two-col h2 { margin-bottom: 1rem; }
.two-col p { color: var(--color-text-muted); margin-bottom: 1.25rem; line-height: 1.7; }
.dev-loop { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
.loop-step { display: flex; align-items: center; gap: 1rem; font-size: 0.9375rem; }
.loop-num { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--color-accent-subtle); color: var(--color-accent); font-family: var(--font-mono); font-weight: 600; font-size: 0.75rem; flex-shrink: 0; }

@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; gap: 3rem; } }

.comparison { padding: 5rem 0; }
.table-wrap { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.comparison-table th, .comparison-table td { padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--color-border); }
.comparison-table thead th { background: var(--color-bg-muted); font-family: var(--font-heading); font-weight: 600; font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.04em; }
.comparison-table td:first-child { font-weight: 500; color: var(--color-text); }
.comparison-table td { color: var(--color-text-muted); }
.comparison-table .highlight { background: var(--color-accent-subtle); color: var(--color-text); }
.comparison-table .highlight strong { color: var(--color-accent); }
.comparison-table thead .highlight { background: var(--color-accent); color: var(--color-bg-dark); }

/* --- About Page --- */
.about-approach { padding: 4rem 0 3rem; }
.approach-text .lead { font-size: 1.25rem; line-height: 1.7; margin-bottom: 1.5rem; color: var(--color-text); }
.approach-text p { color: var(--color-text-muted); font-size: 1.0625rem; line-height: 1.7; margin-bottom: 1.25rem; }

.about-method { padding: 3rem 0 5rem; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.method-card { padding: 2rem; border: 1px solid var(--color-border); border-radius: var(--radius-lg); opacity: 0; transform: translateY(20px); }
.method-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.method-number { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-accent); font-weight: 600; display: block; margin-bottom: 0.75rem; }
.method-card h3 { margin-bottom: 0.75rem; }
.method-card p { color: var(--color-text-muted); font-size: 0.9375rem; }

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

.about-founder { padding: 3rem 0 4rem; }
.founder-block { padding: 2rem; background: var(--color-bg-muted); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.founder-info h3 { margin-bottom: 0.25rem; }
.founder-title { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--color-accent); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
.founder-info p { color: var(--color-text-muted); margin-bottom: 1rem; line-height: 1.7; }
.founder-info p:last-child { margin-bottom: 0; }

.about-clients { padding: 3rem 0 4rem; }

/* --- Footer --- */
.site-footer { background: var(--color-bg-dark); color: var(--color-text-light); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand img { height: 28px; width: auto; }
.footer-brand p { font-size: 0.875rem; color: #9ca3b0; line-height: 1.6; }
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links h4 { color: #fff; margin-bottom: 0.25rem; }
.footer-links a { color: #9ca3b0; font-size: 0.875rem; }
.footer-links a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid var(--color-border-dark); padding-top: 1.5rem; }
.footer-bottom p { font-size: 0.8125rem; color: #6b7280; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}

/* --- Stagger animations for grid children --- */
.pattern-card:nth-child(1).visible, .case-card:nth-child(1).visible, .step:nth-child(1).visible,
.signal-card:nth-child(1).visible, .method-card:nth-child(1).visible { transition-delay: 0s; }
.pattern-card:nth-child(2).visible, .case-card:nth-child(2).visible, .step:nth-child(2).visible,
.signal-card:nth-child(2).visible, .method-card:nth-child(2).visible { transition-delay: 0.1s; }
.pattern-card:nth-child(3).visible, .case-card:nth-child(3).visible, .step:nth-child(3).visible,
.signal-card:nth-child(3).visible, .method-card:nth-child(3).visible { transition-delay: 0.2s; }
.pattern-card:nth-child(4).visible, .signal-card:nth-child(4).visible { transition-delay: 0.3s; }
.pattern-card:nth-child(5).visible, .signal-card:nth-child(5).visible { transition-delay: 0.4s; }
.signal-card:nth-child(n+6).visible { transition-delay: 0.15s; }

.service-block:nth-child(1).visible { transition-delay: 0s; }
.service-block:nth-child(2).visible { transition-delay: 0.1s; }
.service-block:nth-child(3).visible { transition-delay: 0.2s; }
.service-block:nth-child(4).visible { transition-delay: 0.3s; }
.service-block:nth-child(5).visible { transition-delay: 0.4s; }