/* ============ 3Bits Design System ============ */
:root {
  --navy:      #20283A;
  --navy-deep: #141A26;
  --purple:    #6D28D9;
  --purple-lt: #8B5CF6;
  --orange:    #F97316;
  --orange-lt: #FB923C;
  --offwhite:  #F8F7FC;
  --slate:     #64748B;
  --slate-lt:  #CBD5E1;
  --white:     #FFFFFF;
  --border:    #E5E7EB;

  --font-head: "Manrope", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --radius:    14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(32,40,58,.06);
  --shadow-md: 0 12px 32px rgba(32,40,58,.10);
  --shadow-lg: 0 24px 60px rgba(32,40,58,.16);
  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--white);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--purple); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--orange); }
ul { list-style: none; }

h1,h2,h3,h4 { font-family: var(--font-head); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; color: var(--navy); }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 1.9vw, 1.45rem); }
p  { color: var(--slate); }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section   { padding-block: clamp(64px, 9vw, 120px); }
.section-sm{ padding-block: clamp(44px, 6vw, 72px); }
.bg-offwhite { background: var(--offwhite); }
.bg-navy    { background: var(--navy); }
.text-center{ text-align: center; }
.eyebrow {
  display: inline-block; font-family: var(--font-head); font-size: .8rem;
  font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--purple); margin-bottom: 16px;
}
.eyebrow--orange { color: var(--orange); }
.lead { font-size: clamp(1.02rem, 1.4vw, 1.18rem); color: var(--slate); max-width: 68ch; }
.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head.center { margin-inline: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-head); font-weight: 700; font-size: .95rem;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: all .22s var(--ease); text-align: center; line-height: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--orange));
  color: #fff; box-shadow: 0 8px 22px rgba(109,40,217,.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(109,40,217,.38); color:#fff; }
.btn-ghost {
  background: transparent; color: var(--navy); border-color: var(--slate-lt);
}
.btn-ghost:hover { border-color: var(--purple); color: var(--purple); transform: translateY(-2px); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost-light:hover { background: rgba(255,255,255,.08); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: .85rem; }
.btn-lg { padding: 17px 32px; font-size: 1rem; }

/* ---------- Header ---------- */
.skip-link { position:absolute; left:-9999px; top:0; background:var(--purple); color:#fff; padding:12px 20px; z-index:9999; }
.skip-link:focus { left:12px; top:12px; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--border); box-shadow: 0 4px 20px rgba(32,40,58,.06); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:76px; gap:24px; }
.brand img { height: 48px; width: auto; }

.primary-nav { display:flex; align-items:center; gap: 28px; }
.primary-nav > ul { display:flex; align-items:center; gap: 26px; }
.primary-nav > ul > li { position: relative; display:flex; align-items:center; gap:4px; }
.primary-nav a {
  font-family: var(--font-head); font-weight: 600; font-size: .92rem;
  color: var(--navy); padding: 8px 2px;
}
.primary-nav a:hover { color: var(--purple); }
.sub-toggle { background:none; border:none; color: var(--slate); font-size:.75rem; cursor:pointer; padding:4px; }
.submenu {
  position:absolute; top: calc(100% + 14px); left: -18px; min-width: 250px;
  background:#fff; border:1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: 10px;
  opacity:0; visibility:hidden; transform: translateY(8px);
  transition: all .2s var(--ease);
}
.has-children:hover .submenu,
.has-children:focus-within .submenu { opacity:1; visibility:visible; transform: translateY(0); }
.submenu a { display:block; padding: 10px 14px; border-radius:8px; font-size:.9rem; }
.submenu a:hover { background: var(--offwhite); }
.nav-cta { margin-left: 6px; }

.nav-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span { display:block; width:24px; height:2px; background: var(--navy); border-radius:2px; transition:.25s; }
.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); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 120% at 15% 10%, #2A3350 0%, var(--navy) 45%, var(--navy-deep) 100%);
  color:#fff; padding-block: clamp(80px, 12vw, 150px);
}
.hero::before, .hero::after {
  content:''; position:absolute; border-radius:50%; filter: blur(90px); opacity:.45; pointer-events:none;
}
.hero::before { width:520px; height:520px; background: var(--purple); top:-160px; right:-120px; }
.hero::after  { width:420px; height:420px; background: var(--orange); bottom:-180px; left:-140px; opacity:.28; }
.hero-grid { position:relative; z-index:2; display:grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px,5vw,72px); align-items:center; }
.hero h1 { color:#fff; }
.hero h1 .grad {
  background: linear-gradient(100deg, var(--orange-lt), var(--purple-lt));
  -webkit-background-clip: text; background-clip:text; color:transparent;
}
.hero p { color: #C7CFE0; font-size: clamp(1.02rem,1.5vw,1.2rem); max-width: 56ch; margin-block: 22px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; margin-top: 32px; }
.hero-tags { display:flex; flex-wrap:wrap; gap: 10px 22px; margin-top: 40px; font-family:var(--font-head); font-weight:600; font-size:.86rem; color:#9AA6C0; }
.hero-tags li { display:flex; align-items:center; gap:8px; }
.hero-tags li::before { content:''; width:6px; height:6px; border-radius:50%; background: linear-gradient(135deg,var(--purple-lt),var(--orange)); }

/* Hero visual */
.hero-visual { position:relative; display:grid; place-items:center; min-height: 340px; }
.hero-visual .logo-3d {
  width: min(360px, 80%); filter: drop-shadow(0 30px 60px rgba(109,40,217,.45));
  animation: floatY 7s ease-in-out infinite;
}
.hero-visual .ring {
  position:absolute; inset:0; margin:auto; width: 118%; aspect-ratio:1; max-width:460px;
  border:1px dashed rgba(255,255,255,.14); border-radius:50%; animation: spin 40s linear infinite;
}
.hero-visual .ring:nth-child(3){ width: 88%; animation-duration: 30s; animation-direction: reverse; border-style: solid; border-color: rgba(249,115,22,.18);}
.hero-visual .node {
  position:absolute; width:14px; height:14px; border-radius:50%;
  background: linear-gradient(135deg,var(--purple-lt),var(--orange-lt));
  box-shadow: 0 0 22px rgba(139,92,246,.9);
}
.hero-visual .node:nth-child(4){ top: 8%;  left: 20%; }
.hero-visual .node:nth-child(5){ bottom: 12%; right: 16%; }
.hero-visual .node:nth-child(6){ top: 42%; right: 4%; width:10px; height:10px; }

@keyframes floatY { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-14px);} }
@keyframes spin { to { transform: rotate(360deg);} }

/* ---------- Trust bar ---------- */
.trust-bar { background: #fff; border-bottom:1px solid var(--border); }
.trust-inner { display:flex; flex-wrap:wrap; gap: 28px 48px; align-items:center; justify-content:center; padding-block: 28px; font-family:var(--font-head); font-weight:700; font-size:.9rem; color: var(--slate); }
.trust-inner span { display:flex; align-items:center; gap:10px; }
.trust-inner span::before { content:'✦'; color: var(--orange); }

/* ---------- Cards ---------- */
.grid-4 { display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.grid-3 { display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2 { display:grid; grid-template-columns: repeat(2,1fr); gap: 32px; }

.card {
  background:#fff; border:1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px; transition: all .28s var(--ease); position:relative; overflow:hidden;
}
.card::before {
  content:''; position:absolute; inset:0; border-radius:inherit; padding:1px;
  background: linear-gradient(135deg, transparent 60%, rgba(109,40,217,.35));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity:0; transition:opacity .28s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card:hover::before { opacity:1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(109,40,217,.12), rgba(249,115,22,.12));
  color: var(--purple); margin-bottom: 18px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 10px; }
.card p { font-size: .96rem; margin-bottom: 16px; }
.card .link-arrow { font-family: var(--font-head); font-weight:700; font-size:.9rem; display:inline-flex; align-items:center; gap:6px; }
.card .link-arrow:hover { gap: 10px; }
.card--feature { padding: 34px; }
.card--feature .card-media {
  margin: -34px -34px 24px; aspect-ratio: 16/9; overflow:hidden; background: var(--offwhite);
}
.card--feature .card-media img { width:100%; height:100%; object-fit:cover; }

/* Value list */
.value-list { display:grid; gap: 14px; margin-top: 22px; }
.value-list li { display:flex; gap: 12px; align-items:flex-start; color: var(--navy); font-weight:500; }
.value-list li::before {
  content:'✓'; flex-shrink:0; width: 24px; height:24px; border-radius:50%;
  background: linear-gradient(135deg,var(--purple),var(--orange)); color:#fff;
  font-size: .8rem; font-weight:700; display:grid; place-items:center;
}

/* Steps */
.steps { counter-reset: step; display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.step { position:relative; padding-top: 24px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-head); font-weight:800; font-size:.8rem; letter-spacing:.1em;
  display:inline-grid; place-items:center; width:46px; height:46px; border-radius:50%;
  background: linear-gradient(135deg,var(--purple),var(--orange)); color:#fff;
  margin-bottom: 18px; box-shadow: 0 8px 18px rgba(109,40,217,.28);
}
.step h3 { font-size:1.1rem; margin-bottom:8px; }
.step p { font-size:.92rem; }

/* Industries chips */
.chip-grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 16px; }
.chip {
  padding: 22px; border-radius: var(--radius); background:#fff; border:1px solid var(--border);
  transition:.25s var(--ease);
}
.chip:hover { border-color: var(--purple); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.chip h4 { font-family:var(--font-head); font-size:1rem; margin-bottom:6px; }
.chip p { font-size:.88rem; }

/* CTA band */
.cta-band {
  position:relative; overflow:hidden; border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--navy) 0%, #2E2950 55%, #4A2B7A 100%);
  color:#fff; padding: clamp(40px,6vw,72px);
  display:grid; grid-template-columns: 1.4fr auto; align-items:center; gap:32px;
}
.cta-band::after {
  content:''; position:absolute; right:-80px; top:-80px; width:320px; height:320px;
  background: radial-gradient(circle, rgba(249,115,22,.45), transparent 70%);
  filter: blur(40px);
}
.cta-band h2 { color:#fff; margin-bottom: 12px; }
.cta-band p { color:#CBD5E1; max-width: 56ch; }
.cta-band .cta-actions { display:flex; flex-wrap:wrap; gap:14px; position:relative; z-index:2; }

/* FAQ */
.faq { display:grid; gap: 12px; max-width: 820px; margin-inline: auto; }
.faq details {
  background:#fff; border:1px solid var(--border); border-radius: 14px; padding: 20px 24px;
  transition:.2s var(--ease);
}
.faq details[open] { border-color: var(--purple); box-shadow: var(--shadow-sm); }
.faq summary {
  font-family: var(--font-head); font-weight:700; font-size:1rem; cursor:pointer;
  list-style: none; display:flex; justify-content:space-between; gap:16px; color:var(--navy);
}
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:'+'; font-size:1.4rem; color: var(--purple); line-height:1; transition:.2s; }
.faq details[open] summary::after { content:'−'; }
.faq details p { margin-top: 14px; font-size:.95rem; }

/* Page hero (interior) */
.page-hero {
  background: radial-gradient(100% 120% at 80% 0%, #2A3350, var(--navy) 70%);
  color:#fff; padding-block: clamp(64px,9vw,110px);
  position:relative; overflow:hidden;
}
.page-hero::before {
  content:''; position:absolute; width:420px; height:420px; border-radius:50%;
  background: var(--purple); filter: blur(110px); opacity:.4; top:-160px; right:-100px;
}
.page-hero .container { position:relative; z-index:2; }
.page-hero h1 { color:#fff; max-width: 18ch; }
.page-hero p { color:#C7CFE0; margin-top:18px; max-width:60ch; font-size:1.1rem; }
.page-hero .hero-actions { margin-top: 30px; }

/* Split content */
.split { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(32px,5vw,80px); align-items:center; }
.split-media {
  border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-md);
  background: linear-gradient(135deg,#EDE9FE,#FFEDD5);
}
.split-media img { width:100%; height:100%; object-fit:cover; }

/* Feature rows */
.feature-row {
  display:grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px,5vw,72px); align-items:center;
  padding-block: clamp(40px,6vw,72px);
}
.feature-row:nth-child(even) .feature-text { order: 2; }
.feature-row:nth-child(even) .feature-media { order: 1; }
.feature-media { border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-md); }
.feature-media img { width:100%; height:100%; object-fit:cover; }

/* Breadcrumbs */
.breadcrumbs { font-size:.82rem; color: var(--slate); padding-top: 20px; }
.breadcrumbs a { color: var(--slate); }
.breadcrumbs a:hover { color: var(--purple); }
.breadcrumbs span { margin-inline: 8px; }

/* Forms */
.form-wrap {
  background:#fff; border:1px solid var(--border); border-radius: var(--radius-lg);
  padding: clamp(28px,4vw,44px); box-shadow: var(--shadow-sm);
}
.form-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display:flex; flex-direction:column; gap:6px; }
.field.full { grid-column: 1 / -1; }
label { font-family: var(--font-head); font-weight:600; font-size:.88rem; color: var(--navy); }
input, select, textarea {
  font-family: var(--font-body); font-size:.95rem; color: var(--navy);
  padding: 13px 15px; border:1px solid var(--slate-lt); border-radius: 10px; background:#fff;
  transition: border-color .2s, box-shadow .2s; width:100%;
}
input:focus, select:focus, textarea:focus {
  outline:none; border-color: var(--purple); box-shadow: 0 0 0 4px rgba(109,40,217,.12);
}
textarea { min-height: 140px; resize: vertical; }
.form-note { font-size:.82rem; color: var(--slate); margin-top: 14px; }
.form-success, .form-error { padding: 14px 18px; border-radius:10px; margin-bottom:20px; font-size:.92rem; font-family:var(--font-head); font-weight:600; }
.form-success { background:#ECFDF5; color:#065F46; border:1px solid #A7F3D0; }
.form-error   { background:#FEF2F2; color:#991B1B; border:1px solid #FECACA; }

/* Sidebar info */
.info-list { display:grid; gap: 22px; }
.info-item h4 { font-family:var(--font-head); font-size:.95rem; margin-bottom:6px; }
.info-item p  { font-size:.9rem; }

/* Blog */
.blog-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.post-card {
  background:#fff; border:1px solid var(--border); border-radius: var(--radius-lg);
  overflow:hidden; display:flex; flex-direction:column; transition:.28s var(--ease);
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.post-media { aspect-ratio: 16/9; overflow:hidden; background: linear-gradient(135deg,#EDE9FE,#FFEDD5); }
.post-media img { width:100%; height:100%; object-fit:cover; transition: transform .5s var(--ease); }
.post-card:hover .post-media img { transform: scale(1.06); }
.post-body { padding: 24px; display:flex; flex-direction:column; gap:10px; flex:1; }
.post-cat { font-family:var(--font-head); font-size:.72rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color: var(--purple); }
.post-body h3 { font-size:1.12rem; line-height:1.35; }
.post-body p { font-size:.92rem; flex:1; }

/* Footer */
.site-footer { background: var(--navy-deep); color:#94A3B8; padding-top: clamp(56px,7vw,88px); }
.footer-grid { display:grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 56px; }
.footer-logo { margin-bottom: 16px; filter: brightness(1.15); }
.footer-tagline { font-family:var(--font-head); font-weight:700; color:#fff; font-size:.92rem; margin-bottom: 10px; }
.footer-desc { font-size:.9rem; line-height:1.6; }
.site-footer h3 { font-size:.85rem; letter-spacing:.12em; text-transform:uppercase; color:#fff; margin-bottom:16px; }
.site-footer ul { display:grid; gap:10px; }
.site-footer ul a { color:#94A3B8; font-size:.9rem; }
.site-footer ul a:hover { color: var(--orange-lt); }
.footer-cta p { font-size:.9rem; margin-bottom: 16px; }
.footer-bottom {
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:16px;
  border-top:1px solid rgba(255,255,255,.08); padding-block: 24px; font-size:.82rem;
}
.footer-bottom ul { display:flex; flex-wrap:wrap; gap:20px; }
.footer-bottom a { color:#94A3B8; }

/* Reveal animation */
.reveal { opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4, .steps { grid-template-columns: repeat(2,1fr); }
  .blog-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order:-1; min-height: 260px; }
  .hero-visual .logo-3d { width: min(280px,60%); }
}
@media (max-width: 860px) {
  .nav-toggle { display:flex; }
  .primary-nav {
    position: fixed; inset: 76px 0 auto 0; background:#fff;
    flex-direction:column; align-items:stretch; padding: 24px; gap: 6px;
    border-bottom:1px solid var(--border); box-shadow: var(--shadow-md);
    transform: translateY(-12px); opacity:0; visibility:hidden; transition:.25s var(--ease);
    max-height: calc(100vh - 76px); overflow-y:auto;
  }
  .primary-nav.open { transform:none; opacity:1; visibility:visible; }
  .primary-nav > ul { flex-direction:column; align-items:stretch; gap: 0; }
  .primary-nav > ul > li { flex-wrap:wrap; justify-content:space-between; border-bottom:1px solid var(--border); }
  .primary-nav a { display:block; padding: 14px 4px; }
  .submenu {
    position:static; opacity:1; visibility:visible; transform:none; box-shadow:none;
    border:none; padding:0 0 8px 12px; display:none; width:100%;
  }
  .has-children.open .submenu { display:block; }
  .nav-cta { margin: 16px 0 0; width:100%; }
  .split, .feature-row, .grid-2, .cta-band { grid-template-columns: 1fr; }
  .feature-row:nth-child(even) .feature-text { order:0; }
  .feature-row:nth-child(even) .feature-media { order:0; }
}
@media (max-width: 640px) {
  .grid-4, .grid-3, .blog-grid, .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .header-inner { height: 68px; }
  .primary-nav { inset: 68px 0 auto 0; max-height: calc(100vh - 68px); }
  .cta-band { padding: 32px 24px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .reveal { opacity:1; transform:none; }
}