/* Credence Solutions — site styles */
:root {
  --navy: #28305a;
  --navy-900: #161b36;
  --navy-800: #1d2445;
  --navy-100: #e8eaf3;
  --orange: #f39237;
  --orange-600: #d9761b;
  --orange-100: #fdeedd;
  --grey: #bdbdbf;
  --ink: #1b2033;
  --text: #474d63;
  --muted: #6b7189;
  --line: #e3e5ec;
  --bg: #ffffff;
  --bg-soft: #f5f6f9;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(22, 27, 54, .06), 0 8px 24px rgba(22, 27, 54, .07);
  --shadow-lg: 0 2px 4px rgba(22, 27, 54, .06), 0 20px 48px rgba(22, 27, 54, .12);
  --wrap: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-brand: "Oswald", "Arial Narrow", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--orange-600); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.015em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 800; letter-spacing: -.03em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 800; letter-spacing: -.025em; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }
p { margin: 0 0 1.1em; }
ul { padding-left: 1.2em; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; color: #fff; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(22, 27, 54, .05); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); flex-shrink: 0; }
.brand img { width: 46px; height: auto; }
.brand-name { font-family: var(--font-brand); font-weight: 600; font-size: 1.45rem; letter-spacing: .01em; line-height: 1; white-space: nowrap; }
.brand-name small { display: block; font-family: var(--font); font-size: .62rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
.brand:hover { color: var(--navy); }
.menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.menu a { display: block; padding: 8px 13px; border-radius: 8px; text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem; }
.menu a:hover { background: var(--bg-soft); color: var(--navy); }
.menu a[aria-current="page"] { color: var(--orange-600); }
.menu .btn { margin-left: 10px; color: #fff; }
.menu .btn:hover, .menu a.btn[aria-current="page"] { color: #fff; }
.menu a.btn[aria-current="page"] { background: var(--orange-600); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; border-radius: 8px; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 10px; border: 2px solid transparent;
  font: 600 .98rem/1.2 var(--font); text-decoration: none; cursor: pointer;
  background: var(--orange); color: #fff; transition: background .15s, transform .15s, box-shadow .15s;
}
.btn:hover { background: var(--orange-600); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 18px rgba(243, 146, 55, .3); }
.btn-navy { background: var(--navy); }
.btn-navy:hover { background: var(--navy-900); box-shadow: 0 8px 18px rgba(40, 48, 90, .3); }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: #fff; box-shadow: none; }
.btn-outline { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; box-shadow: none; }
.btn svg { width: 18px; height: 18px; }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; }

/* Hero */
.hero {
  position: relative; overflow: hidden; color: #d4d8ea;
  background: radial-gradient(1200px 600px at 85% -10%, #3a4580 0%, transparent 60%), linear-gradient(160deg, var(--navy-800) 0%, var(--navy-900) 100%);
  padding: 110px 0 120px;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("../img/pattern.svg"); background-size: 260px; opacity: .06;
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero .lead { font-size: 1.2rem; color: #c3c8de; max-width: 600px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-art { position: relative; }
.hero-art img { width: 100%; max-width: 440px; margin-left: auto; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .35)); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--orange-600); margin-bottom: 18px; }
.eyebrow::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.hero .eyebrow { color: var(--orange); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 40px 0 0; padding: 0; list-style: none; font-size: .92rem; color: #aeb4cf; }
.hero-facts li { display: flex; align-items: center; gap: 8px; }
.hero-facts svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; }

/* Page hero (inner pages) */
.page-hero { position: relative; overflow: hidden; background: linear-gradient(160deg, var(--navy-800), var(--navy-900)); color: #c3c8de; padding: 84px 0 76px; }
.page-hero::after { content: ""; position: absolute; inset: 0; background-image: url("../img/pattern.svg"); background-size: 220px; opacity: .05; pointer-events: none; }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); max-width: 820px; }
.page-hero p { font-size: 1.15rem; max-width: 720px; margin: 0; }
.page-hero .eyebrow { color: var(--orange); }
.crumbs { font-size: .85rem; margin-bottom: 22px; color: #9aa1c0; }
.crumbs a { color: #c3c8de; text-decoration: none; }
.crumbs a:hover { color: #fff; }

/* Sections */
.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-navy { background: var(--navy-900); color: #c3c8de; }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.section-head p { font-size: 1.1rem; color: var(--muted); }
.section-navy .section-head p { color: #aeb4cf; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.top { align-items: start; }

/* Cards */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
  transition: transform .2s, box-shadow .2s, border-color .2s; position: relative;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); margin-bottom: 0; font-size: .98rem; }
a.card { display: block; text-decoration: none; color: inherit; }
a.card:hover, .card.hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 600; font-size: .92rem; color: var(--orange-600); }
.icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--navy-100); color: var(--navy); margin-bottom: 22px;
}
.icon svg { width: 26px; height: 26px; }
.icon.orange { background: var(--orange-100); color: var(--orange-600); }

.ticks { list-style: none; padding: 0; margin: 0 0 1em; }
.ticks li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .45em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--orange-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d9761b' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat;
}
.section-navy .ticks li::before { background-color: rgba(243, 146, 55, .15); }

/* Feature list (why us) */
.feature { display: flex; gap: 18px; }
.feature .icon { flex-shrink: 0; margin: 0; }
.feature h3 { font-size: 1.12rem; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: .98rem; margin: 0; }
.section-navy .feature p { color: #aeb4cf; }
.section-navy .icon { background: rgba(255, 255, 255, .08); color: var(--orange); }

/* Process steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; position: relative; }
.steps li::before {
  content: "0" counter(step); display: block; font: 700 .85rem var(--font); letter-spacing: .1em;
  color: var(--orange-600); margin-bottom: 14px;
}
.steps h3 { font-size: 1.08rem; margin-bottom: 8px; }
.steps p { font-size: .94rem; color: var(--muted); margin: 0; }

/* Facts band */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.fact { padding: 26px 0 0; border-top: 2px solid var(--orange); }
.fact strong { display: block; font-size: 1.9rem; font-weight: 800; color: #fff; letter-spacing: -.02em; line-height: 1.1; margin-bottom: 6px; }
.fact span { font-size: .95rem; color: #aeb4cf; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips li { padding: 8px 15px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .9rem; font-weight: 500; color: var(--ink); }
.tech-group { margin-bottom: 28px; }
.tech-group h4 { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }

/* Service detail blocks */
.service { display: grid; grid-template-columns: 300px 1fr; gap: 56px; padding: 64px 0; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.service:first-child { border-top: 0; padding-top: 0; }
.service-aside .icon { width: 64px; height: 64px; border-radius: 16px; }
.service-aside .icon svg { width: 32px; height: 32px; }
.service-aside h2 { font-size: 1.7rem; }
.service-aside p { color: var(--muted); font-size: .98rem; }
.service-body > p:first-child { font-size: 1.1rem; color: var(--ink); }
.service-body .grid { margin-top: 28px; }
.service-body h4 { margin-bottom: 12px; }
.subnav { position: sticky; top: 76px; z-index: 40; background: #fff; border-bottom: 1px solid var(--line); }
.subnav ul { display: flex; gap: 6px; list-style: none; margin: 0; padding: 12px 0; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a { display: block; white-space: nowrap; padding: 7px 14px; border-radius: 999px; font-size: .88rem; font-weight: 500; text-decoration: none; color: var(--text); background: var(--bg-soft); }
.subnav a:hover { background: var(--navy); color: #fff; }

/* Engagement models */
.model { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; }
.model h3 { margin-bottom: 4px; }
.model .tag { font-size: .82rem; font-weight: 600; color: var(--orange-600); margin-bottom: 16px; }
.model p { color: var(--muted); font-size: .97rem; }
.model .ticks { margin-top: auto; font-size: .94rem; }

/* CTA */
.cta { position: relative; overflow: hidden; border-radius: 22px; padding: 64px; background: linear-gradient(135deg, var(--navy) 0%, var(--navy-900) 100%); color: #c3c8de; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.cta::after { content: ""; position: absolute; right: -60px; top: -40px; width: 340px; height: 260px; background: url("../img/logo-mark-dark.svg") center/contain no-repeat; opacity: .09; pointer-events: none; }
.cta h2 { color: #fff; margin-bottom: 10px; }
.cta p { margin: 0; font-size: 1.1rem; max-width: 620px; }
.cta .hero-actions { margin: 0; position: relative; z-index: 1; }

/* Values */
.value { padding: 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.value h3 { display: flex; align-items: center; gap: 12px; font-size: 1.12rem; }
.value h3::before { content: ""; width: 14px; height: 14px; background: var(--orange); clip-path: polygon(0 0, 100% 50%, 0 100%); flex-shrink: 0; }
.value p { color: var(--muted); font-size: .97rem; margin: 0; }

.panel { background: var(--bg-soft); border-radius: var(--radius); padding: 36px; }
.panel dl { display: grid; grid-template-columns: auto 1fr; gap: 12px 24px; margin: 0; }
.panel dt { font-weight: 600; color: var(--ink); }
.panel dd { margin: 0; color: var(--text); }
.big-quote { font-size: 1.45rem; line-height: 1.5; color: var(--ink); font-weight: 600; letter-spacing: -.01em; border-left: 4px solid var(--orange); padding-left: 28px; margin: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 56px; align-items: start; }
.contact-info .item { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.contact-info .item:first-of-type { padding-top: 0; }
.contact-info .icon { margin: 0; flex-shrink: 0; }
.contact-info h3 { font-size: 1rem; margin-bottom: 2px; }
.contact-info p { margin: 0; color: var(--muted); }
.contact-info a { font-weight: 600; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 40px; box-shadow: var(--shadow); }
.form-card h2 { font-size: 1.6rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .92rem; color: var(--ink); margin-bottom: 7px; }
.field label .opt { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: #fff;
  border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; transition: border-color .15s, box-shadow .15s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 4px rgba(40, 48, 90, .12); }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: #c2412d; }
.field .err { display: none; color: #b3341f; font-size: .85rem; margin-top: 6px; }
.field.invalid .err { display: block; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .92rem; color: var(--muted); margin-bottom: 22px; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--navy); flex-shrink: 0; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-status { display: none; border-radius: 10px; padding: 14px 16px; margin-bottom: 20px; font-size: .95rem; }
.form-status.ok { display: block; background: #e8f6ee; color: #17603a; border: 1px solid #bfe5cf; }
.form-status.bad { display: block; background: #fdecea; color: #8f2a1a; border: 1px solid #f5c6bf; }
.form-note { font-size: .85rem; color: var(--muted); margin: 14px 0 0; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 20px; font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--orange-600); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* Legal / prose */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.5rem; margin-top: 2em; }
.prose h3 { margin-top: 1.6em; }
.prose li { margin-bottom: .4em; }
.prose .updated { color: var(--muted); font-size: .95rem; }

/* Footer */
.site-footer { background: var(--navy-900); color: #9aa1c0; padding: 72px 0 32px; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.site-footer .brand { color: #fff; margin-bottom: 18px; }
.site-footer .brand-name small { color: #8890b0; }
.site-footer h4 { color: #fff; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: #c3c8de; text-decoration: none; }
.site-footer a:hover { color: var(--orange); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 28px; font-size: .85rem; color: #7c84a6; }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-bottom li { margin: 0; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}

/* Responsive */
@media (max-width: 1080px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .menu {
    position: absolute; top: 100%; left: 0; right: 0; height: calc(100vh - 76px); height: calc(100dvh - 76px); flex-direction: column;
    border-top: 1px solid var(--line); align-items: stretch;
    background: #fff; padding: 20px 24px; gap: 2px; overflow-y: auto;
    opacity: 0; transform: translateY(-8px); visibility: hidden; transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .nav-open .menu { opacity: 1; }
  .nav-open .menu { transform: none; visibility: visible; }
  .menu a { padding: 14px 12px; font-size: 1.05rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .menu .btn { margin: 18px 0 0; border-radius: 10px; border-bottom: 0; }
  .hero .wrap, .split, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-art { display: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .service { grid-template-columns: 1fr; gap: 24px; }
  .cta { grid-template-columns: 1fr; padding: 48px 36px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .section { padding: 68px 0; }
  .hero { padding: 72px 0 80px; }
  .page-hero { padding: 60px 0 56px; }
  .grid-2, .grid-3, .grid-4, .steps, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; gap: 18px; }
  .fact strong { font-size: 1.5rem; }
  .card, .model { padding: 26px; }
  .form-card { padding: 26px 20px; }
  .cta { padding: 40px 24px; border-radius: 16px; }
  .brand-name { font-size: 1.25rem; }
  .brand img { width: 40px; }
  .panel { padding: 26px 20px; }
  .panel dl { grid-template-columns: 1fr; gap: 2px; }
  .panel dd { margin-bottom: 12px; }
}