:root {
  --irs-blue: #1D4ED8;
  --irs-blue-hover: #1E40AF;
  --irs-cyan: #06B6D4;
  --irs-cyan-light: #67E8F9;
  --irs-navy: #0A1628;
  --irs-navy-mid: #0F2040;
  --irs-navy-card: #112240;
  --irs-navy-border: #1E3A5F;
  --irs-text: #F9FAFB;
  --irs-text-muted: #94A3B8;
  --irs-text-dim: #64748B;
  --irs-white: #FFFFFF;
  --irs-success: #10B981;
  --irs-gradient: linear-gradient(135deg, #0A1628 0%, #0F2040 50%, #0A1628 100%);
  --irs-blue-gradient: linear-gradient(135deg, #1D4ED8 0%, #06B6D4 100%);

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

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-blue: 0 4px 24px rgba(29,78,216,0.4);
  --shadow-cyan: 0 4px 24px rgba(6,182,212,0.3);

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

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;

  --header-h: 72px;
  --container: 1200px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--irs-navy);
  color: var(--irs-text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--irs-cyan); text-decoration: none; transition: color var(--transition), text-decoration-color var(--transition); }
a:hover { color: var(--irs-cyan-light); }
a:focus-visible {
  outline: 2px solid var(--irs-cyan);
  outline-offset: 2px;
  border-radius: 2px;
}

/* In-content/body links (prose paragraphs, list items): the ones a reader needs to
   notice mid-sentence, so they get an underline as a non-color cue on top of the
   color cue — distinct from structural nav/footer links, which stay color-only. */
p a, li a {
  text-decoration: underline;
  text-decoration-color: rgba(103, 232, 249, 0.45);
  text-underline-offset: 3px;
  font-weight: 600;
}
p a:hover, li a:hover {
  text-decoration-color: currentColor;
}

h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1rem; }
p { color: var(--irs-text-muted); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) var(--space-6);
  max-width: var(--container);
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--irs-text);
  text-align: center;
  margin-bottom: var(--space-4);
}

.section-sub {
  text-align: center;
  color: var(--irs-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-12);
  font-size: 1.05rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--irs-cyan);
  margin-bottom: var(--space-4);
}

/* ── HEADER ── */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(10, 22, 40, 0.95);
  border-bottom: 1px solid var(--irs-navy-border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.logo img { height: 50px; width: auto; }
header .logo img { height: 58px; }

nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

nav a {
  color: var(--irs-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  white-space: nowrap;
}
nav a:hover { color: var(--irs-text); }

.nav-cta {
  background: var(--irs-blue);
  color: var(--irs-white) !important;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  transition: background var(--transition), box-shadow var(--transition) !important;
}
.nav-cta:hover {
  background: var(--irs-blue-hover) !important;
  box-shadow: var(--shadow-blue) !important;
  color: var(--irs-white) !important;
}

.lang-toggle {
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3) !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  color: var(--irs-cyan) !important;
}
.lang-toggle:hover {
  border-color: var(--irs-cyan);
  color: var(--irs-text) !important;
}

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1100;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--irs-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  min-height: calc(100vh - var(--header-h));
  background: var(--irs-gradient);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 50%, rgba(6,182,212,0.06) 0%, transparent 70%),
              radial-gradient(ellipse 40% 60% at 30% 40%, rgba(29,78,216,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(360px, 420px) 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-copy h1 { color: var(--irs-text); margin-bottom: var(--space-6); }
.hero-copy h1 .accent { color: var(--irs-cyan); }
.hero-copy > p {
  font-size: 1.125rem;
  color: var(--irs-text-muted);
  max-width: 540px;
  margin-bottom: var(--space-8);
}

.btn-row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--irs-blue);
  color: var(--irs-white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:hover {
  background: var(--irs-blue-hover);
  color: var(--irs-white);
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
}

.btn.secondary {
  background: transparent;
  border-color: var(--irs-cyan);
  color: var(--irs-cyan);
}
.btn.secondary:hover {
  background: rgba(6,182,212,0.1);
  color: var(--irs-cyan-light);
  box-shadow: var(--shadow-cyan);
}

.btn.outline {
  background: transparent;
  border-color: var(--irs-text-muted);
  color: var(--irs-text);
}
.btn.outline:hover {
  border-color: var(--irs-text);
  background: rgba(249,250,251,0.05);
}

.trust-badges {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  color: var(--irs-text-muted);
  font-weight: 500;
}

.trust-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--irs-cyan);
  flex-shrink: 0;
}

/* ── SVG Network Graph ── */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.network-svg {
  width: 100%;
  max-width: 760px;
  aspect-ratio: 440 / 380;
  height: auto;
}

.network-node {
  animation: node-pulse 3s ease-in-out infinite;
}
.network-node:nth-child(2) { animation-delay: 0.5s; }
.network-node:nth-child(3) { animation-delay: 1s; }
.network-node:nth-child(4) { animation-delay: 1.5s; }
.network-node:nth-child(5) { animation-delay: 2s; }
.network-node:nth-child(6) { animation-delay: 2.5s; }

.network-line {
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: line-draw 2s ease forwards;
}
.network-line:nth-child(1) { animation-delay: 0.2s; }
.network-line:nth-child(2) { animation-delay: 0.5s; }
.network-line:nth-child(3) { animation-delay: 0.8s; }
.network-line:nth-child(4) { animation-delay: 1.1s; }
.network-line:nth-child(5) { animation-delay: 1.4s; }
.network-line:nth-child(6) { animation-delay: 1.7s; }

.data-packet {
  animation: travel-line 4s ease-in-out infinite;
}
.data-packet:nth-child(2) { animation-delay: 1.3s; }
.data-packet:nth-child(3) { animation-delay: 2.6s; }

@keyframes node-pulse {
  0%, 100% { opacity: 0.7; r: 8; }
  50% { opacity: 1; r: 11; }
}

@keyframes line-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes travel-line {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

/* ── MARQUEE ── */
.marquee-section {
  background: var(--irs-navy-mid);
  border-top: 1px solid var(--irs-navy-border);
  border-bottom: 1px solid var(--irs-navy-border);
  padding: var(--space-4) 0;
  overflow: hidden;
}

.marquee-label {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--irs-text-dim);
  margin-bottom: var(--space-3);
}

.marquee {
  display: flex;
  overflow: hidden;
  user-select: none;
}

.marquee-track {
  display: flex;
  gap: var(--space-8);
  animation: marquee-scroll 30s linear infinite;
  flex-shrink: 0;
  padding-right: var(--space-8);
}

.marquee:hover .marquee-track { animation-play-state: paused; }

.marquee-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--irs-text-muted);
  white-space: nowrap;
  transition: color var(--transition);
}
.marquee-item:hover { color: var(--irs-cyan); }
.marquee-item::before {
  content: '◆';
  color: var(--irs-cyan);
  font-size: 0.5rem;
  opacity: 0.6;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── CARDS ── */
.card {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(6,182,212,0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card h3 { color: var(--irs-text); margin-bottom: var(--space-3); }
.card p { color: var(--irs-text-muted); font-size: 0.95rem; margin-bottom: var(--space-4); }

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(29,78,216,0.15);
  border: 1px solid rgba(29,78,216,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.4rem;
}

.learn {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--irs-cyan);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition);
}
.learn:hover { gap: var(--space-2); color: var(--irs-cyan-light); }

/* ── GRIDS ── */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.practice-card {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  display: block;
}

.practice-card:hover {
  border-color: var(--irs-cyan);
  box-shadow: 0 4px 20px rgba(6,182,212,0.15);
  transform: translateY(-2px);
  color: var(--irs-cyan);
}

.practice-card .practice-icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
  display: block;
}

.practice-card h4 {
  color: var(--irs-text);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  transition: color var(--transition);
}

.practice-card:hover h4 { color: var(--irs-cyan); }
.practice-card p { font-size: 0.78rem; color: var(--irs-text-dim); }

/* ── TABS ── */
.tabs-section {
  background: var(--irs-navy-mid);
  border-top: 1px solid var(--irs-navy-border);
  border-bottom: 1px solid var(--irs-navy-border);
}

.tabs-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
}

.tab-nav {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  border-bottom: 2px solid var(--irs-navy-border);
  padding-bottom: 0;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--irs-text-muted);
  font-size: 1rem;
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
  font-family: var(--font-sans);
}

.tab-btn.active {
  color: var(--irs-cyan);
  border-bottom-color: var(--irs-cyan);
}

.tab-btn:hover { color: var(--irs-text); }

.tab-pane { display: none; }
.tab-pane.active { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-10); align-items: start; }

.tab-pane h3 { color: var(--irs-text); margin-bottom: var(--space-5); font-size: 1.3rem; }
.tab-pane p { color: var(--irs-text-muted); margin-bottom: var(--space-5); }

.checks { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.checks li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--irs-text-muted);
  font-size: 0.95rem;
}
.checks li::before {
  content: '✓';
  color: var(--irs-cyan);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(135deg, #1D4ED8 0%, #0891B2 100%);
  padding: var(--space-20) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23FFFFFF' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-banner h2 { color: var(--irs-white); position: relative; z-index: 1; margin-bottom: var(--space-3); }
.cta-banner p { color: rgba(255,255,255,0.8); position: relative; z-index: 1; margin-bottom: var(--space-8); font-size: 1.05rem; }
.cta-banner .btn-row { justify-content: center; position: relative; z-index: 1; }
.cta-banner .btn { background: var(--irs-white); color: var(--irs-blue); }
.cta-banner .btn:hover { background: #f0f4ff; box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.cta-banner .btn.secondary { background: transparent; border-color: rgba(255,255,255,0.5); color: var(--irs-white); }
.cta-banner .btn.secondary:hover { background: rgba(255,255,255,0.1); }

/* ── FOOTER ── */
footer {
  background: var(--irs-navy-mid);
  border-top: 1px solid var(--irs-navy-border);
  padding: var(--space-16) var(--space-6) var(--space-8);
}

.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand p { font-size: 0.875rem; color: var(--irs-text-dim); margin-top: var(--space-4); max-width: 260px; }

.footer-col h4 {
  color: var(--irs-text);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer-col a, .footer-col p {
  display: block;
  color: var(--irs-text-dim);
  font-size: 0.875rem;
  margin-bottom: var(--space-3);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--irs-cyan); }

.copyright {
  max-width: var(--container);
  margin: 0 auto;
  padding-top: var(--space-8);
  border-top: 1px solid var(--irs-navy-border);
  color: var(--irs-text-dim);
  font-size: 0.8rem;
  text-align: center;
}

.copyright a {
  color: var(--irs-text-dim);
  text-decoration: underline;
  transition: color var(--transition);
}

.copyright a:hover { color: var(--irs-cyan); }

/* ── FORMS ── */
.form-section {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

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

.form-full { grid-column: 1 / -1; }

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

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--irs-text);
}

input, select, textarea {
  background: var(--irs-navy);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-md);
  color: var(--irs-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

input::placeholder, textarea::placeholder { color: var(--irs-text-dim); }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--irs-blue);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.15);
}

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

select option { background: var(--irs-navy-card); }

.form-submit {
  margin-top: var(--space-6);
  text-align: center;
}

.form-message {
  display: none;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  margin-top: var(--space-4);
}

.form-message.success {
  display: block;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--irs-success);
}

.form-message.error {
  display: block;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #F87171;
}

/* ── PAGE HEROES ── */
.page-hero {
  background: var(--irs-gradient);
  padding: var(--space-24) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--irs-navy-border);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(29,78,216,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero .eyebrow { margin-bottom: var(--space-3); }
.page-hero h1 { color: var(--irs-text); position: relative; z-index: 1; margin-bottom: var(--space-5); }
.page-hero p { color: var(--irs-text-muted); max-width: 600px; margin: 0 auto var(--space-8); font-size: 1.1rem; position: relative; z-index: 1; }
.page-hero .btn-row { justify-content: center; position: relative; z-index: 1; }

/* ── STEP FLOW ── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.step-card {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--irs-blue-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--irs-white);
  margin-bottom: var(--space-5);
}

.step-card h3 { color: var(--irs-text); margin-bottom: var(--space-3); font-size: 1rem; }
.step-card p { color: var(--irs-text-muted); font-size: 0.9rem; }

/* ── ROLES FILTER + CARDS ── */
.filter-bar {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 2fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.filter-bar select, .filter-bar input {
  margin: 0;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.role-card {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition), transform var(--transition);
}

.role-card:hover {
  border-color: rgba(29,78,216,0.5);
  transform: translateY(-2px);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.badge-contract { background: rgba(6,182,212,0.15); color: var(--irs-cyan); border: 1px solid rgba(6,182,212,0.3); }
.badge-direct { background: rgba(29,78,216,0.15); color: #93C5FD; border: 1px solid rgba(29,78,216,0.3); }
.badge-c2h { background: rgba(16,185,129,0.15); color: #6EE7B7; border: 1px solid rgba(16,185,129,0.3); }
.badge-project { background: rgba(245,158,11,0.15); color: #FCD34D; border: 1px solid rgba(245,158,11,0.3); }

.role-card h3 { color: var(--irs-text); margin-bottom: var(--space-2); font-size: 1.05rem; }

.role-meta {
  display: flex;
  gap: var(--space-4);
  font-size: 0.8rem;
  color: var(--irs-text-dim);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.role-meta span { display: flex; align-items: center; gap: 4px; }

.role-rate {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--irs-cyan);
  margin-bottom: var(--space-3);
}

.role-card p { font-size: 0.875rem; color: var(--irs-text-muted); margin-bottom: var(--space-5); }

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

.blog-card {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.blog-card:hover {
  border-color: rgba(6,182,212,0.3);
  transform: translateY(-2px);
}

.blog-card-body { padding: var(--space-6); }
.blog-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--irs-cyan);
  margin-bottom: var(--space-3);
}

.blog-card h3 { color: var(--irs-text); font-size: 1rem; margin-bottom: var(--space-3); line-height: 1.4; }
.blog-card p { font-size: 0.875rem; color: var(--irs-text-muted); margin-bottom: var(--space-4); }
.blog-card .read-more { font-size: 0.8rem; font-weight: 600; color: var(--irs-cyan); }
.blog-date { font-size: 0.75rem; color: var(--irs-text-dim); margin-bottom: var(--space-2); }

/* article prose */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { color: var(--irs-text); margin: var(--space-10) 0 var(--space-4); font-size: 1.5rem; }
.prose h3 { color: var(--irs-text); margin: var(--space-8) 0 var(--space-3); }
.prose p { color: var(--irs-text-muted); margin-bottom: var(--space-5); line-height: 1.8; }
.prose ul { color: var(--irs-text-muted); padding-left: var(--space-6); margin-bottom: var(--space-5); }
.prose li { margin-bottom: var(--space-2); line-height: 1.7; }
.prose strong { color: var(--irs-text); }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: var(--space-4); }

.faq-item {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--irs-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  padding: var(--space-5) var(--space-6);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: color var(--transition);
}

.faq-question:hover { color: var(--irs-cyan); }

.faq-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--irs-navy-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
  color: var(--irs-cyan);
  transition: transform var(--transition);
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding var(--transition);
}

.faq-item.open .faq-answer { max-height: 500px; }

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--irs-text-muted);
  line-height: 1.7;
}

/* ── WHO WE SERVE (icon row) ── */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.icon-card {
  background: var(--irs-navy-card);
  border: 1px solid var(--irs-navy-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.icon-card .icon { font-size: 1.8rem; flex-shrink: 0; }
.icon-card h4 { color: var(--irs-text); margin-bottom: var(--space-2); }
.icon-card p { font-size: 0.875rem; color: var(--irs-text-muted); }

/* ── STATS ── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  text-align: center;
}

.stat-item { padding: var(--space-6); }
.stat-item .stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--irs-cyan);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-item .stat-label { color: var(--irs-text-muted); font-size: 0.875rem; }

/* ── MOBILE STICKY BAR ── */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--irs-navy-mid);
  border-top: 1px solid var(--irs-navy-border);
  padding: var(--space-3) var(--space-4);
}

.mobile-cta-bar .btn { width: 100%; justify-content: center; }

/* ── SECTION BG VARIANTS ── */
.bg-mid { background: var(--irs-navy-mid); }
.bg-card { background: var(--irs-navy-card); }

/* ── BREADCRUMB ── */
.breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  font-size: 0.8rem;
  color: var(--irs-text-dim);
}
.breadcrumb a { color: var(--irs-text-dim); }
.breadcrumb a:hover { color: var(--irs-cyan); }
.breadcrumb span { color: var(--irs-text-muted); margin: 0 var(--space-2); }

/* ── HIDDEN / UTILITY ── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.text-center { text-align: center; }
.mt-8 { margin-top: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .practice-grid { grid-template-columns: repeat(4, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { grid-template-columns: 1fr 1fr; }

  .network-svg { max-width: 480px; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  header .logo img { height: 42px; }

  .nav-toggle { display: flex; }

  nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,22,40,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  nav.open { transform: translateX(0); }

  nav a { font-size: 1.25rem !important; }
  .nav-cta { padding: var(--space-3) var(--space-8) !important; font-size: 1rem !important; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { margin-top: var(--space-8); }
  .network-svg { max-width: 360px; }
  .hero-inner { padding: var(--space-12) var(--space-6); }

  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .practice-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .roles-grid { grid-template-columns: 1fr; }
  .icon-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-full { grid-column: auto; }
  .filter-bar { grid-template-columns: 1fr; }

  .tab-pane.active { grid-template-columns: 1fr; }

  .mobile-cta-bar { display: block; }

  body { padding-bottom: 70px; }

  .section { padding: var(--space-12) var(--space-4); }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .cta-banner { padding: var(--space-12) var(--space-4); }

  .page-hero { padding: var(--space-16) var(--space-4); }

  .btn { min-height: 44px; padding: var(--space-3) var(--space-5); }
}

@media (max-width: 480px) {
  .practice-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-badges { flex-direction: column; gap: var(--space-3); }
  .btn-row { flex-direction: column; }
  .btn-row .btn { width: 100%; justify-content: center; }

  .network-svg { max-width: 260px; }
}