/* ============================================================
   Website Reactor – Main Stylesheet
   Dark engineering aesthetic | WCAG 2.1 AA compliant
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  --bg-base:       #09090f;
  --bg-surface:    #0f1018;
  --bg-elevated:   #141520;
  --bg-card:       #161824;
  --border:        #1e2235;
  --border-accent: #2a3060;

  --text-primary:  #e8eaf0;
  --text-secondary:#9ba3c2;
  --text-muted:    #5a6280;

  --accent:        #3b82f6;       /* electric blue */
  --accent-bright: #60a5fa;
  --accent-dim:    #1d3a6e;
  --accent-glow:   rgba(59,130,246,0.15);

  --green:         #10b981;
  --green-dim:     rgba(16,185,129,0.12);

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Courier New', monospace;

  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  12px;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
  --shadow-glow: 0 0 24px var(--accent-glow);

  --nav-height: 64px;
  --content-max: 1200px;
  --content-narrow: 800px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; }

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { color: var(--text-secondary); max-width: 68ch; }

.mono { font-family: var(--font-mono); }
.text-accent { color: var(--accent-bright); }
.text-green  { color: var(--green); }
.text-muted  { color: var(--text-muted); }
.text-center { text-align: center; }
.text-primary { color: var(--text-primary); }

/* ── Layout ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--narrow {
  max-width: var(--content-narrow);
}

section { padding: 5rem 0; }
section + section { border-top: 1px solid var(--border); }

/* ── Navigation ─────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(9,9,15,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.nav-brand img {
  height: 36px;
  width: auto;
}

.nav-brand-text {
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff !important;
  background: var(--accent) !important;
  padding: 0.45rem 1rem !important;
  border-radius: var(--radius-sm) !important;
  transition: background 0.15s !important;
}

.nav-cta:hover {
  background: var(--accent-bright) !important;
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  transition: transform 0.2s, opacity 0.2s;
  border-radius: 2px;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.25rem;
  }

  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 0.6rem 0.75rem; }
  .nav-cta { text-align: center; }
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background-image: url('/assets/images/hero-bg.png');
  background-size: cover;
  background-position: center top;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 70%),
    linear-gradient(180deg, transparent 60%, var(--bg-base) 100%);
  pointer-events: none;
}

/* Grid overlay effect */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 80%);
}

.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 { margin-bottom: 1.25rem; }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 54ch;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  align-items: center;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.6875rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: #2563eb;
  border-color: #2563eb;
  text-decoration: none;
  box-shadow: 0 0 16px rgba(59,130,246,0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-dim);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--accent-bright);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.btn-ghost:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.btn svg { flex-shrink: 0; }

/* ── Section Headers ────────────────────────────────────── */
.section-header {
  margin-bottom: 3rem;
}

.section-header.centered {
  text-align: center;
}

.section-header.centered p {
  margin: 0.75rem auto 0;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-secondary);
  margin-top: 0.625rem;
  font-size: 1.0625rem;
}

/* ── Capability Grid ────────────────────────────────────── */
.capabilities { background: var(--bg-base); }

.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cap-card {
  background: var(--bg-card);
  padding: 2rem;
  transition: background 0.2s;
  position: relative;
}

.cap-card:hover { background: var(--bg-elevated); }

.cap-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  color: var(--accent-bright);
}

.cap-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.625rem;
}

.cap-card p {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.cap-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-bright);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  text-decoration: none;
}

.cap-link:hover { color: var(--text-primary); text-decoration: none; }

.cap-link svg {
  transition: transform 0.15s;
}

.cap-link:hover svg { transform: translateX(3px); }

/* ── Infra Credibility ──────────────────────────────────── */
.infra {
  background: var(--bg-surface);
}

.infra-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.infra-content h2 { margin-bottom: 1rem; }
.infra-content p  { margin-bottom: 1.5rem; }

.infra-specs {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.infra-spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  transition: background 0.15s;
}

.infra-spec-row:last-child { border-bottom: none; }
.infra-spec-row:hover { background: var(--bg-elevated); }

.infra-spec-label { color: var(--text-muted); }
.infra-spec-value { color: var(--green); }

@media (max-width: 900px) {
  .infra-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── Services Page ──────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  border-color: var(--accent-dim);
  box-shadow: var(--shadow-glow);
}

.service-card h3 { margin: 1rem 0 0.625rem; }
.service-card p  { font-size: 0.9375rem; margin-bottom: 1.25rem; }

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1rem;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.service-list li::before {
  content: '›';
  color: var(--accent-bright);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05em;
}

/* ── Process Steps ──────────────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0;
  counter-reset: steps;
  position: relative;
}

.process-step {
  padding: 2rem;
  position: relative;
  counter-increment: steps;
}

.process-step::before {
  content: counter(steps, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-dim);
  margin-bottom: 1rem;
  line-height: 1;
}

.process-step h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.process-step p  { font-size: 0.875rem; }

/* ── Case Studies ───────────────────────────────────────── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.case-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.case-card-header {
  padding: 1.5rem 1.5rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

.case-card-body { padding: 1rem 1.5rem 1.5rem; }
.case-card-body h3 { margin-bottom: 0.5rem; }
.case-card-body p  { font-size: 0.9375rem; margin-bottom: 1.25rem; }

.case-metrics {
  display: flex;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.case-metric-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--green);
}

.case-metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── FAQ ────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  transition: background 0.15s;
  cursor: pointer;
}

.faq-question:hover { background: var(--bg-elevated); }

.faq-question svg {
  flex-shrink: 0;
  color: var(--accent-bright);
  transition: transform 0.2s;
}

.faq-item.is-open .faq-question svg { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  background: var(--bg-card);
}

.faq-answer p { font-size: 0.9375rem; max-width: none; }

.faq-item.is-open .faq-answer { display: block; }

/* ── Contact Form ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info p  { margin-bottom: 1.5rem; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  flex-shrink: 0;
  color: var(--accent-bright);
}

.contact-detail-text strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: 0.125rem;
}

.contact-detail-text span {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.6875rem 0.875rem;
  transition: border-color 0.15s;
  appearance: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group select option { background: var(--bg-elevated); }

.form-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* ── CTA Section ────────────────────────────────────────── */
.cta-section {
  background: var(--bg-surface);
  text-align: center;
}

.cta-section h2 { margin-bottom: 1rem; }
.cta-section p  {
  margin: 0 auto 2rem;
  font-size: 1.0625rem;
  max-width: 52ch;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
}

/* ── Tech Tags / Badges ─────────────────────────────────── */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.625rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-card);
  letter-spacing: 0.04em;
}

/* ── Breadcrumbs ────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.breadcrumb a:hover { color: var(--accent-bright); }

.breadcrumb-sep { color: var(--border-accent); }

/* ── Page Hero (interior pages) ─────────────────────────── */
.page-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
}

.page-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 0.75rem;
  display: block;
}

.page-hero h1 { margin-bottom: 0.875rem; }
.page-hero p  { font-size: 1.125rem; max-width: 56ch; }

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.footer-brand img {
  height: 32px;
  width: auto;
  margin-bottom: 0.875rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 28ch;
  margin-bottom: 1rem;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.875rem;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.25rem 0;
  transition: color 0.15s;
}

.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-bottom a:hover { color: var(--accent-bright); }

/* ── Utilities ──────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  section { padding: 3.5rem 0; }
  .hero { padding: 4rem 0 3rem; }
  .cap-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .footer-grid { gap: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .fade-in { opacity: 1; transform: none; transition: none; }
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
  .site-nav, .site-footer, .hero::after, .hero::before { display: none; }
  body { background: white; color: black; }
}