:root {
  --navy: #0b1a2b;
  --navy-2: #12293f;
  --accent: #22d3ee;
  --accent-dark: #0891b2;
  --text: #1f2933;
  --muted: #5b6b7c;
  --bg: #ffffff;
  --bg-soft: #f5f8fa;
  --border: #e2e8f0;
  --radius: 10px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 26, 43, 0.95);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand .mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: grid;
  place-items: center;
  color: var(--navy);
  font-weight: 800;
  font-size: 0.95rem;
}

nav.links {
  display: flex;
  gap: 28px;
  align-items: center;
}

nav.links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 500;
  transition: color 0.15s;
}

nav.links a:hover { color: #fff; }
nav.links a.active { color: var(--accent); }

nav.links a.cta {
  background: var(--accent);
  color: var(--navy);
  padding: 8px 16px;
  border-radius: 7px;
  font-weight: 650;
}

nav.links a.cta:hover { background: #67e8f9; }

.burger {
  display: none;
  background: none;
  border: 0;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 400px at 15% -10%, rgba(34, 211, 238, 0.18), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 104px 0 96px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  max-width: 17ch;
}

.hero h1 .accent { color: var(--accent); }

.hero p.lede {
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: #cbd5e1;
  max-width: 60ch;
  margin: 0 0 34px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 650;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s, background 0.15s, border-color 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: var(--navy);
}

.btn-primary:hover { background: #67e8f9; }

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
section.alt { background: var(--bg-soft); }

.section-head { max-width: 62ch; margin-bottom: 46px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

section h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--navy);
}

.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Cards ---------- */
.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(288px, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(11, 26, 43, 0.08);
}

.card .icon {
  width: 42px;
  height: 42px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(8, 145, 178, 0.1));
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.1rem;
  margin: 0 0 9px;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.93rem;
}

.card ul li { margin-bottom: 5px; }

/* ---------- Split / values ---------- */
.split {
  display: grid;
  gap: 56px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: start;
}

.prose h3 {
  color: var(--navy);
  font-size: 1.15rem;
  margin: 28px 0 10px;
  letter-spacing: -0.01em;
}

.prose h3:first-child { margin-top: 0; }
.prose p { color: var(--muted); margin: 0 0 14px; }

.stat-row {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}

.stat .num {
  font-size: 1.9rem;
  font-weight: 750;
  color: var(--navy);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat .label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 6px;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 34px;
  border-top: 2px solid var(--border);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 12px;
  left: 0;
  font-size: 0.82rem;
  font-weight: 750;
  color: var(--accent-dark);
  letter-spacing: 0.08em;
}

.step h3 {
  font-size: 1.02rem;
  color: var(--navy);
  margin: 0 0 8px;
}

.step p {
  color: var(--muted);
  font-size: 0.93rem;
  margin: 0;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-item .icon {
  flex: 0 0 40px;
  height: 40px;
  border-radius: 9px;
  background: rgba(34, 211, 238, 0.13);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.contact-item h3 {
  font-size: 0.95rem;
  margin: 0 0 3px;
  color: var(--navy);
}

.contact-item a,
.contact-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
  text-decoration: none;
  word-break: break-word;
}

.contact-item a:hover { color: var(--accent-dark); }

form {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 640px;
}

.field { margin-bottom: 18px; }

label {
  display: block;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 7px;
}

input, textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font: inherit;
  font-size: 0.95rem;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}

textarea { resize: vertical; min-height: 128px; }

button {
  background: var(--navy);
  color: #fff;
  border: 0;
  padding: 13px 28px;
  border-radius: 8px;
  font: inherit;
  font-weight: 650;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s;
}

button:hover { background: var(--navy-2); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  text-align: center;
  padding: 72px 0;
}

.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: #cbd5e1; max-width: 56ch; margin: 0 auto 30px; }

/* ---------- Footer ---------- */
footer {
  background: var(--navy);
  color: #94a3b8;
  padding: 48px 0 30px;
  font-size: 0.9rem;
}

.foot-grid {
  display: grid;
  gap: 36px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin-bottom: 36px;
}

footer h4 {
  color: #fff;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 14px;
}

footer a {
  color: #94a3b8;
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

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

footer .brand { margin-bottom: 12px; }

.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.84rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .burger { display: block; }

  nav.links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
  }

  nav.links.open { display: flex; }
  nav.links a { padding: 12px 24px; }
  nav.links a.cta { margin: 8px 24px 0; text-align: center; }

  section { padding: 62px 0; }
  .hero { padding: 72px 0 64px; }
}

/* ---------- Badges (compliance / standards) ---------- */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
}

.badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-dark);
  flex: 0 0 7px;
}

/* ---------- Tool pills ---------- */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 15px;
  font-size: 0.88rem;
  font-weight: 550;
  color: var(--navy);
  transition: border-color 0.15s, color 0.15s;
}

.pill:hover { border-color: var(--accent); color: var(--accent-dark); }

.pill-group { margin-bottom: 26px; }

.pill-group > h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--muted);
  margin: 0 0 12px;
  font-weight: 700;
}

/* ---------- Engagement models ---------- */
.engagement {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-top: 3px solid var(--accent);
}

.engagement h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin: 0 0 4px;
}

.engagement .for {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
}

.engagement p {
  color: var(--muted);
  font-size: 0.93rem;
  margin: 0 0 12px;
}

.engagement ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }

.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 22px;
  margin-bottom: 12px;
  transition: border-color 0.15s;
}

.faq details[open] { border-color: var(--accent); }

.faq summary {
  cursor: pointer;
  padding: 20px 0;
  font-weight: 650;
  color: var(--navy);
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent-dark);
  flex: 0 0 auto;
  line-height: 1;
}

.faq details[open] summary::after { content: "\2212"; }

.faq .answer {
  padding-bottom: 20px;
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- Industries ---------- */
.industry-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.industry {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color 0.15s, transform 0.15s;
}

.industry:hover { border-color: var(--accent); transform: translateY(-2px); }
.industry span { color: var(--accent-dark); font-size: 0.85rem; }

/* ---------- Article / insights ---------- */
.page-head {
  background:
    radial-gradient(700px 320px at 12% -20%, rgba(34, 211, 238, 0.16), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 62px 0 54px;
}

.page-head h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  letter-spacing: -0.03em;
  line-height: 1.14;
  margin: 0 0 16px;
  max-width: 22ch;
}

.page-head p.lede {
  color: #cbd5e1;
  font-size: 1.08rem;
  max-width: 62ch;
  margin: 0;
}

.crumbs {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 18px;
}

.crumbs a { color: #94a3b8; text-decoration: none; }
.crumbs a:hover { color: var(--accent); }

.article-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-size: 0.85rem;
  color: var(--muted);
  padding-bottom: 24px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--border);
}

.meta strong { color: var(--navy); }

.article-body { font-size: 1.03rem; color: #33414f; }

.article-body h2 {
  font-size: 1.55rem;
  margin: 48px 0 14px;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.28;
}

.article-body h3 {
  font-size: 1.16rem;
  margin: 32px 0 10px;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.article-body p { margin: 0 0 18px; }

.article-body ul,
.article-body ol { margin: 0 0 20px; padding-left: 22px; }

.article-body li { margin-bottom: 9px; }

.article-body a { color: var(--accent-dark); }

.article-body strong { color: var(--navy); }

.article-body code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: #0e7490;
}

.article-body pre {
  background: var(--navy);
  color: #e2e8f0;
  padding: 18px 20px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0 0 22px;
}

.article-body pre code {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent-dark);
  border-radius: 0 8px 8px 0;
  padding: 18px 22px;
  margin: 0 0 24px;
}

.callout p:last-child { margin-bottom: 0; }

.callout .label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 750;
  color: var(--accent-dark);
  margin-bottom: 7px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 26px;
  font-size: 0.93rem;
}

.article-body th,
.article-body td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
}

.article-body th {
  color: var(--navy);
  font-weight: 650;
  background: var(--bg-soft);
}

.article-nav {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.article-nav a {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 16px 18px;
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}

.article-nav a:hover { border-color: var(--accent); transform: translateY(-2px); }

.article-nav .kind {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.article-nav .title {
  color: var(--navy);
  font-weight: 620;
  font-size: 0.95rem;
  line-height: 1.4;
}

/* ---------- Scenario cards ---------- */
.scenario {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}

.scenario .head {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 24px 26px;
}

.scenario .head .tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}

.scenario .head h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.scenario .body { padding: 26px; }

.scenario .body h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  margin: 0 0 9px;
  font-weight: 750;
}

.scenario .body p {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 0 0 20px;
}

.scenario .body p:last-child { margin-bottom: 0; }

.scenario .body ul {
  margin: 0 0 20px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.scenario .body ul:last-child { margin-bottom: 0; }

.notice {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 16px 20px;
  color: #78350f;
  font-size: 0.9rem;
  margin: 0 0 28px;
}

.notice strong { color: #92400e; }