/* ==========================================================================
   CAXIS — core stylesheet
   Design system: deep-signal navy + Caxis red (#E41C1C), connected-flow motif.
   Fonts: Space Grotesk (display) / Inter (body) / JetBrains Mono (data/labels)
   ========================================================================== */

/* ---- reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }

/* ---- design tokens -------------------------------------------------------
   Palette
   --color-ink       #0a1628  deep signal navy — dark sections, headings
   --color-ink-2     #10203c  navy gradient partner
   --color-primary   #E41C1C  Caxis red — brand, CTAs, accents
   --color-primary-l #ff4d4d  lighter red — hovers, glows
   --color-primary-d #b01010  pressed / darker red
   --color-paper     #f5f7fb  page background
   --color-slate     #4a5568  secondary body text
   -------------------------------------------------------------------------- */
:root {
  --color-ink: #0a1628;
  --color-ink-2: #10203c;
  --color-primary: #E41C1C;
  --color-primary-l: #ff4d4d;
  --color-primary-d: #b01010;
  --color-paper: #f5f7fb;
  --color-paper-alt: #eaf0f9;
  --color-slate: #4a5568;
  --color-slate-light: #7c8aa0;
  --color-line: #dfe6f0;
  --color-white: #ffffff;
  --color-signal: #35c2ff;
  --color-signal-dim: rgba(53,194,255,.35);
  --glass-bg: rgba(255,255,255,.06);
  --glass-bg-strong: rgba(255,255,255,.09);
  --glass-border: rgba(255,255,255,.14);
  --ease-out: cubic-bezier(.16,.8,.24,1);

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6.5rem;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 30px;
  --radius-pill: 999px;

  --shadow-card: 0 1px 2px rgba(10,22,40,.04), 0 12px 30px -12px rgba(10,22,40,.16);
  --shadow-card-hover: 0 1px 2px rgba(10,22,40,.05), 0 24px 44px -16px rgba(228,28,28,.28);
  --container: 1180px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---- base ---------------------------------------------------------------- */
body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -0.01em; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--space-3); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 22px; height: 2px;
  background: var(--color-primary);
  display: inline-block;
}
.section-head { max-width: 640px; margin-bottom: var(--space-5); }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); color: var(--color-ink); }
.section-head p { margin-top: var(--space-2); color: var(--color-slate); font-size: 1.05rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::before { display: none; }

.section { padding-block: var(--space-7); }
.section--tight { padding-block: var(--space-6); }
.section--dark { background: linear-gradient(160deg, var(--color-ink), var(--color-ink-2)); color: var(--color-white); }
.section--alt { background: var(--color-paper-alt); }

/* ---- buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 1.9rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: .98rem;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: ''; position: absolute; inset: 0; translate: -120% 0;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transition: translate .55s var(--ease-out);
}
.btn:hover::before { translate: 120% 0; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-d)); color: var(--color-white); box-shadow: 0 14px 30px -12px rgba(228,28,28,.55); }
.btn-primary:hover { background: var(--color-primary-d); }
.btn-ghost { background: transparent; border-color: rgba(10,22,40,.16); color: var(--color-ink); }
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost-light { background: transparent; border-color: rgba(255,255,255,.35); color: var(--color-white); }
.btn-ghost-light:hover { border-color: var(--color-white); background: rgba(255,255,255,.08); }
.btn-block { width: 100%; justify-content: center; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn:active { transform: translateY(0) scale(.98); }

/* ---- header / nav ---------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245,247,251,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; }
.brand img { height: 50px; width: auto; }

.nav-links { display: flex; align-items: center; gap: var(--space-5); }
.nav-links a {
  font-weight: 600; font-size: .96rem; color: var(--color-ink);
  position: relative; padding-block: .3rem;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--color-primary); transition: right .22s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right: 0; }
.nav-links a[aria-current="page"] { color: var(--color-primary); }

.nav-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle {
  display: none; background: none; border: none; padding: .4rem;
  flex-direction: column; gap: 5px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--color-ink); border-radius: 2px; }

@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 84px 0 0 0; background: var(--color-white);
    flex-direction: column; align-items: flex-start; padding: var(--space-4) var(--space-3);
    gap: var(--space-3); transform: translateX(100%); transition: transform .28s ease;
    box-shadow: -8px 0 30px rgba(10,22,40,.08);
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { font-size: 1.15rem; width: 100%; }
  body.nav-open { overflow: hidden; }
}

/* ---- hero ------------------------------------------------------------------ */
.hero {
  position: relative;
  background:
    radial-gradient(circle at 85% 8%, rgba(228,28,28,.32), transparent 45%),
    radial-gradient(circle at 8% 92%, var(--color-signal-dim), transparent 42%),
    radial-gradient(circle at 82% 18%, rgba(228,28,28,.22), transparent 55%),
    linear-gradient(165deg, var(--color-ink), var(--color-ink-2));
  color: var(--color-white);
  overflow: hidden;
  padding-block: var(--space-7) var(--space-6);
}
.hero::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  opacity: .5; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/></svg>");
}
.hero__grid {
  position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,.8) 30%, rgba(0,0,0,.4));
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-5); align-items: center; }
.hero__copy .eyebrow { color: var(--color-primary-l); }

.hero__copy h1 {
  font-size: clamp(3rem, 6vw, 4.5rem) !important;
  color: var(--color-white);
  line-height: 1.1 !important;
  letter-spacing: -0.01em;
  max-width: 100% !important;
  background: linear-gradient(100deg, #ffffff 40%, #ffe9e9 70%, var(--color-primary-l) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.hero__copy p {
  margin-top: var(--space-3);
  font-size: 1.3rem !important;
  color: rgba(255,255,255,.78);
  max-width: 100% !important;
  line-height: 1.55;
}

.hero__actions { display: flex; gap: var(--space-2); margin-top: var(--space-4); flex-wrap: wrap; }
.hero__stats { display: flex; gap: var(--space-5); margin-top: var(--space-5); }
.hero__stats div strong { font-family: var(--font-display); font-size: 1.8rem; display: block; color: var(--color-white); }
.hero__stats div span { font-size: .85rem; color: rgba(255,255,255,.6); }

.hero__art { position: relative; aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; }
.hero__art svg { width: 100%; height: 100%; display: block; overflow: visible; }
.hero__art .hub { fill: white; stroke: var(--color-primary); stroke-width: 3; filter: drop-shadow(0 0 30px rgba(228,28,28,0.3)); transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); animation: glow 3s ease-in-out infinite; }
.hero__art .node { fill: #1a2634; stroke: rgba(255,255,255,0.15); stroke-width: 2; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }
.hero__art .beam { stroke: rgba(255,255,255,0.08); stroke-width: 1.5; fill: none; stroke-dasharray: 6 12; animation: dash 5s linear infinite; }
@keyframes pulse { 0%,100% { opacity:.55; } 50% { opacity: 1; } }
@keyframes dash { to { stroke-dashoffset: -180; } }
@keyframes glow { 0%,100% { filter: drop-shadow(0 0 20px rgba(228,28,28,0.2)); } 50% { filter: drop-shadow(0 0 50px rgba(228,28,28,0.5)); } }

/* Hub group */
.hub-group { animation: hubPulse 3s ease-in-out infinite; transform-origin: 220px 220px; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); cursor: default; }
.hub-group:hover { animation-play-state: paused; transform: scale(1.2) !important; z-index: 10; }
.hub-group:hover .hub { fill: white; stroke: var(--color-primary); stroke-width: 4; filter: drop-shadow(0 0 50px rgba(228,28,28,0.7)); }
.hub-group:hover .hub-logo { filter: drop-shadow(0 0 20px rgba(228,28,28,0.3)); transform: scale(1.05); }
@keyframes hubPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

.hub-logo { filter: none; pointer-events: none; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }

/* Node groups */
.node-group { animation: float 4s ease-in-out infinite; transform-origin: var(--node-x, 80px) var(--node-y, 100px); transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); cursor: default; }
.node-group:hover { animation-play-state: paused; transform: scale(1.3) !important; z-index: 10; }
.node-group:hover .node { fill: var(--color-primary); stroke: var(--color-primary); filter: drop-shadow(0 0 30px rgba(228,28,28,0.5)); }
.node-group:hover .node-label { fill: white; opacity: 1; font-weight: 700; }
.node-group:hover foreignObject svg { stroke: white; filter: drop-shadow(0 0 10px rgba(255,255,255,0.3)); }

.node-1 { animation-delay: 0s; --node-x: 80px; --node-y: 100px; }
.node-2 { animation-delay: 0.6s; --node-x: 360px; --node-y: 100px; }
.node-3 { animation-delay: 1.2s; --node-x: 80px; --node-y: 340px; }
.node-4 { animation-delay: 1.8s; --node-x: 360px; --node-y: 340px; }
.node-5 { animation-delay: 2.4s; --node-x: 220px; --node-y: 40px; }
.node-6 { animation-delay: 3.0s; --node-x: 50px; --node-y: 220px; }
.node-7 { animation-delay: 3.6s; --node-x: 390px; --node-y: 220px; }

@keyframes float { 0%,100% { transform: translateY(0px) scale(1); } 50% { transform: translateY(-10px) scale(1.05); } }

.hero__art .node-label { font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.08em; fill: rgba(255,255,255,0.75); text-transform: uppercase; font-weight: 600; opacity: 0.8; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); pointer-events: none; }

.hero__art:hover .beam { stroke: rgba(228,28,28,0.25); stroke-dasharray: 4 10; }

/* HUD cards */
.hud-card {
  position: absolute;
  display: flex; align-items: center; gap: .6rem;
  padding: .65rem .9rem;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.5);
  font-family: var(--font-mono); font-size: .74rem; color: rgba(255,255,255,.88);
  animation: hud-float 5s ease-in-out infinite;
}
.hud-card__dot { width: 8px; height: 8px; border-radius: 50%; background: #35e07a; box-shadow: 0 0 0 4px rgba(53,224,122,.18); flex-shrink: 0; animation: hud-blink 2.2s ease-in-out infinite; }
.hud-card--top { top: 4%; left: -4%; animation-delay: .2s; }
.hud-card--bottom { bottom: 6%; right: -6%; animation-delay: 1.1s; }
@keyframes hud-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes hud-blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@media (max-width: 900px) { .hud-card { display: none; } }

/* Tablet */
@media (max-width: 1024px) {
  .hero__copy h1 { font-size: clamp(2.5rem, 5vw, 3.5rem) !important; }
  .hero__copy p { font-size: 1.15rem !important; }
  .hero__art .node { r: 22; }
  .hero__art .node-label { font-size: 7px; }
  .hub-logo { width: 56px !important; height: 56px !important; x: 192 !important; y: 192 !important; }
  .hero__art .hub { r: 40; }
  .node-group foreignObject { width: 24px !important; height: 24px !important; }
  .node-group:hover { transform: scale(1.25) !important; }
  .hub-group:hover { transform: scale(1.15) !important; }
}

/* Mobile */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero__art { max-width: 340px; margin-inline: auto; }
  .hero__stats { flex-wrap: wrap; gap: var(--space-4); }
  .hero__copy h1 { font-size: clamp(2.2rem, 6vw, 3rem) !important; }
  .hero__copy p { font-size: 1.05rem !important; }
}

@media (max-width: 600px) {
  .hero__art .node-label { font-size: 6px; }
  .hero__art .node { r: 18; }
  .hub-logo { width: 44px !important; height: 44px !important; x: 198 !important; y: 198 !important; }
  .hero__art .hub { r: 34; }
  .node-group foreignObject { width: 20px !important; height: 20px !important; }
  .node-group:hover { transform: scale(1.2) !important; }
  .hub-group:hover { transform: scale(1.1) !important; }
}

@media (max-width: 480px) {
  .hero__copy h1 { font-size: clamp(1.8rem, 7vw, 2.2rem) !important; }
  .hero__copy p { font-size: 0.95rem !important; }
  .hero__art .node-label { display: none; }
}

/* ---- trust strip ---- */
.trust-strip { background: var(--color-ink); padding-block: var(--space-3); overflow: hidden; border-bottom: 1px solid rgba(255,255,255,.08); }
.trust-strip__track { display: flex; gap: var(--space-6); white-space: nowrap; animation: marquee 26s linear infinite; width: max-content; }
.trust-strip__track span { font-family: var(--font-mono); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.4); display: inline-flex; align-items: center; gap: .6rem; }
.trust-strip__track span::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--color-signal); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .trust-strip__track { animation: none; } }

/* ---- product cards ----------------------------------------------------------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.product-card {
  background: var(--color-white); border-radius: var(--radius-md); overflow: hidden;
  border-color: transparent; box-shadow: var(--shadow-card);
  transition: transform .22s ease, box-shadow .22s ease;
  display: flex; flex-direction: column;
  position: relative;
  background-clip: padding-box;
}
.product-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, var(--color-line), var(--color-line));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: background .25s ease; pointer-events: none; z-index: 1;
}
.product-card:hover::before { background: linear-gradient(135deg, var(--color-primary), var(--color-signal)); }
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card-hover); }
.product-card__media { aspect-ratio: 4/3; overflow: hidden; background: var(--color-ink); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-card__media img { transform: scale(1.06); }
.product-card__body { padding: var(--space-3); display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.tag {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-primary-d); background: rgba(228,28,28,.1); padding: .3rem .7rem;
  border-radius: var(--radius-pill); align-self: flex-start;
}
.product-card__body h3 { font-size: 1.25rem; }
.product-card__body p { color: var(--color-slate); font-size: .96rem; flex: 1; }
.product-card__link {
  display: inline-flex; align-items: center; gap: .4rem; font-weight: 700; color: var(--color-primary);
  font-size: .94rem; margin-top: .3rem;
}
.product-card__link svg { width: 16px; height: 16px; transition: transform .18s ease; }
.product-card:hover .product-card__link svg { transform: translateX(4px); }

.section-foot { display: flex; justify-content: center; margin-top: var(--space-5); }

@media (max-width: 980px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .products-grid { grid-template-columns: 1fr; } }

/* ---- product detail - SINGLE IMAGE LAYOUT ---- */
.product-detail-single {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
}

.product-image-main {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #f5f5f5;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.product-single-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.detail-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-info .lede {
  font-size: 1.125rem;
  line-height: 1.6;
  color: #4a4a4a;
}

.tag-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.industries-row h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip-list span {
  background: #f0f4f9;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  color: #2c3e50;
  border: 1px solid #e1e8ef;
}

.desc-block {
  margin-top: 0.5rem;
}

.desc-block h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
}

.desc-block p {
  line-height: 1.7;
  color: #4a4a4a;
}

/* Responsive for product detail */
@media (max-width: 768px) {
  .product-detail-single {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .product-single-image {
    max-height: 400px;
    object-fit: cover;
  }
  
  .detail-info .lede {
    font-size: 1rem;
  }
}

/* ---- features grid ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.feature-item {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}
.feature-item__mark {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}
.feature-item h4 { font-size: 1.02rem; margin-bottom: .3rem; }
.feature-item p { color: var(--color-slate); font-size: .93rem; }

/* ---- implementation flow ---- */
.flow { position: relative; }
.flow-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.flow-track::before {
  content: '';
  position: absolute;
  top: 34px; left: 8%; right: 8%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-primary) 0 14px, transparent 14px 26px);
  background-size: 40px 2px;
  animation: flow-run 1.1s linear infinite;
  z-index: 0;
}
.flow-track::after {
  content: ''; position: absolute; top: 31px; left: 8%; width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-primary); box-shadow: 0 0 14px 4px rgba(228,28,28,.6);
  animation: flow-dot 4.4s ease-in-out infinite; z-index: 1;
}
@keyframes flow-run { to { background-position: -40px 0; } }
@keyframes flow-dot { 0% { left: 8%; } 100% { left: 84%; } }

.flow-step { position: relative; z-index: 1; display: flex; flex-direction: column; gap: var(--space-2); }
.flow-step__node {
  width: 68px; height: 68px; border-radius: 50%;
  background: var(--color-white); border: 2px solid var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); box-shadow: 0 0 0 6px var(--color-paper);
}
.flow-step__node svg { width: 28px; height: 28px; }
.flow-step__index { font-family: var(--font-mono); font-size: .8rem; color: var(--color-slate-light); }
.flow-step h3 { font-size: 1.15rem; margin-top: -.2rem; }
.flow-step p { color: var(--color-slate); font-size: .95rem; }

@media (max-width: 880px) {
  .flow-track { grid-template-columns: 1fr; gap: var(--space-4); padding-left: var(--space-4); }
  .flow-track::before { top: 0; bottom: 0; left: 33px; right: auto; width: 2px; height: auto;
    background: repeating-linear-gradient(180deg, var(--color-primary) 0 14px, transparent 14px 26px);
    background-size: 2px 40px; animation: flow-run-v 1.1s linear infinite; }
  .flow-track::after { display: none; }
  @keyframes flow-run-v { to { background-position: 0 -40px; } }
  .flow-step { flex-direction: row; align-items: flex-start; gap: var(--space-3); margin-left: -76px; }
  .flow-step__node { flex-shrink: 0; }
}

/* ---- client reviews ---- */
.reviews-scroller {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(300px, 1fr);
  gap: var(--space-3); overflow-x: auto; padding-bottom: var(--space-2); scroll-snap-type: x mandatory;
}
.reviews-scroller::-webkit-scrollbar { height: 6px; }
.reviews-scroller::-webkit-scrollbar-thumb { background: var(--color-line); border-radius: var(--radius-pill); }
.review-card {
  scroll-snap-align: start; background: var(--color-white); border: 1px solid var(--color-line);
  border-radius: var(--radius-md); padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2);
  box-shadow: var(--shadow-card);
  position: relative;
}
.review-card::before {
  content: '"'; position: absolute; top: 6px; right: 16px; font-family: var(--font-display);
  font-size: 3.4rem; color: var(--color-paper-alt); line-height: 1; z-index: 0;
}
.review-card > * { position: relative; z-index: 1; }
.review-card__stars { color: var(--color-primary); font-size: .9rem; letter-spacing: .15em; }
.review-card p.quote { color: var(--color-ink); font-size: 1rem; flex: 1; }
.review-card__person { display: flex; align-items: center; gap: .7rem; margin-top: var(--space-1); }
.review-card__avatar {
  width: 42px; height: 42px; border-radius: 50%; background: var(--color-primary);
  color: var(--color-white); display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; flex-shrink: 0;
}
.review-card__person strong { display: block; font-size: .92rem; }
.review-card__person span { display: block; font-size: .8rem; color: var(--color-slate-light); }

/* ---- contact CTA ---- */
.cta-banner { text-align: center; }
.cta-banner h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); color: var(--color-white); max-width: 22ch; margin-inline: auto; }
.cta-banner p { margin-top: var(--space-2); color: rgba(255,255,255,.72); }
.cta-banner .btn { margin-top: var(--space-4); }

.section--dark { position: relative; overflow: hidden; }
.section--dark::before {
  content: ''; position: absolute; inset: -20%; z-index: 0; pointer-events: none;
  background: radial-gradient(circle at 30% 30%, rgba(228,28,28,.22), transparent 50%), radial-gradient(circle at 75% 70%, var(--color-signal-dim), transparent 45%);
}
.section--dark .container { position: relative; z-index: 1; }

/* ---- footer ---- */
.site-footer { background: var(--color-ink); color: rgba(255,255,255,.75); padding-block: var(--space-6) var(--space-4); }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: var(--space-5); padding-bottom: var(--space-5); border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand img { height: 50px; filter: brightness(0) invert(1); margin-bottom: var(--space-2); }
.footer-brand p { max-width: 32ch; font-size: .92rem; color: rgba(255,255,255,.55); }
.footer-col h4 { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: var(--space-2); }
.footer-col ul li { margin-bottom: .6rem; font-size: .95rem; }
.footer-col ul a:hover { color: var(--color-primary-l); }
.social-row { display: flex; gap: .8rem; margin-top: var(--space-2); }
.social-row a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center; transition: border-color .18s ease, background .18s ease;
}
.social-row a svg { width: 17px; height: 17px; }
.social-row a:hover { border-color: var(--color-primary-l); background: rgba(228,28,28,.15); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-3); font-size: .82rem; color: rgba(255,255,255,.45); flex-wrap: wrap; gap: var(--space-1); }

@media (max-width: 780px) {
  .footer-top { grid-template-columns: 1fr; gap: var(--space-4); }
}

/* ---- page header ---- */
.page-head {
  background: linear-gradient(165deg, var(--color-ink), var(--color-ink-2));
  color: var(--color-white);
  padding-block: var(--space-6) var(--space-5);
}
.breadcrumb { font-family: var(--font-mono); font-size: .78rem; color: rgba(255,255,255,.55); display: flex; gap: .5rem; margin-bottom: var(--space-2); flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--color-primary-l); }
.page-head h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.page-head p {
  margin-top: var(--space-2);
  font-size: 1.2rem;
  color: rgba(255,255,255,.72);
  max-width: 60ch;
  line-height: 1.55;
}

/* ---- filter bar ---- */
.filter-bar { display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: var(--space-5); }
.filter-chip {
  font-family: var(--font-mono); font-size: .82rem; letter-spacing: .03em;
  padding: .6rem 1.2rem; border-radius: var(--radius-pill); border: 1px solid var(--color-line);
  background: var(--color-white); color: var(--color-slate); transition: all .18s ease;
}
.filter-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-chip.is-active { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-white); }

.empty-state { text-align: center; padding: var(--space-6) var(--space-3); color: var(--color-slate); }
.empty-state h3 { font-family: var(--font-display); color: var(--color-ink); margin-bottom: var(--space-1); }

/* ---- contact page ---- */
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: var(--space-6); align-items: start; }
.contact-cards { display: flex; flex-direction: column; gap: var(--space-3); }
.contact-card { background: var(--color-white); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-3); display: flex; gap: var(--space-2); box-shadow: var(--shadow-card); }
.contact-card__icon { width: 46px; height: 46px; border-radius: 50%; background: rgba(228,28,28,.1); color: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card h4 { font-size: .82rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--color-slate-light); margin-bottom: .3rem; }
.contact-card a, .contact-card p { font-size: 1.02rem; color: var(--color-ink); font-weight: 600; }

.contact-form { background: var(--color-white); border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-card); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.field { margin-bottom: var(--space-3); }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: .5rem; }
.field input, .field textarea {
  width: 100%; border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: .85rem 1rem;
  background: var(--color-paper); transition: border-color .18s ease, background .18s ease;
}
.field input:focus, .field textarea:focus { border-color: var(--color-primary); background: var(--color-white); outline: none; }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: .84rem; color: var(--color-slate-light); margin-top: var(--space-2); text-align: center; }
.form-success {
  display: none; align-items: center; gap: .7rem; background: rgba(228,28,28,.08); color: var(--color-primary-d);
  border: 1px solid rgba(228,28,28,.25); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); margin-bottom: var(--space-3);
  font-weight: 600; font-size: .95rem;
}
.form-success.is-visible { display: flex; }
.form-success svg { width: 20px; height: 20px; flex-shrink: 0; }

@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
}

/* ---- misc ---- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }

/* ---- scroll reveal ---- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; transition: none; } }