/* process-optimization.com static site */
:root {
  --id-navy: #1b2b61;
  --id-heading-blue: #2e3d6e;
  --id-deep-blue: #0d325c;
  --id-accent-blue: #13aff0;
  --id-white: #ffffff;
  --id-light-gray: #f3f6f9;
  --id-text: #263241;
  --id-muted: #5c6978;
  --id-border: #d8e0ea;
  --id-ink: #111827;
  --max-width: 1180px;
  --radius: 14px;
  --shadow: 0 24px 70px rgba(13, 50, 92, 0.18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--id-text);
  background: var(--id-white);
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}
a { color: var(--id-deep-blue); text-decoration-color: rgba(19,175,240,.45); text-underline-offset: 3px; }
a:hover { color: var(--id-accent-blue); }
img { max-width: 100%; display: block; }
.skip-link { position: absolute; left: -999px; top: 1rem; background: var(--id-white); padding: .6rem .9rem; z-index: 10; }
.skip-link:focus { left: 1rem; }
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: .85rem clamp(1rem, 4vw, 3rem); background: rgba(27,43,97,.98); color: var(--id-white);
  position: sticky; top: 0; z-index: 5; box-shadow: 0 10px 28px rgba(0,0,0,.14);
}
.brand { display: inline-flex; align-items: center; gap: .85rem; color: var(--id-white); text-decoration: none; font-weight: 700; min-width: 245px; }
.brand:hover { color: var(--id-white); }
.brand-logo { display: block; width: min(218px, 45vw); height: auto; border-radius: 2px; }
.brand-site { color: rgba(255,255,255,.8); font-size: .86rem; border-left: 1px solid rgba(255,255,255,.32); padding-left: .85rem; letter-spacing: .02em; }
.site-nav { display: flex; align-items: center; gap: 1.15rem; font-size: .92rem; }
.site-nav a { color: rgba(255,255,255,.9); text-decoration: none; }
.site-nav a:hover { color: var(--id-white); }
.nav-cta { border: 1px solid rgba(255,255,255,.65); border-radius: 999px; padding: .55rem .9rem; }
.nav-toggle { display: none; background: transparent; color: var(--id-white); border: 1px solid rgba(255,255,255,.5); border-radius: 999px; padding: .45rem .75rem; min-height: 44px; }
.hero, .page-hero, .section, .site-footer, .definition-strip, .definition-card, .case-study { padding-left: clamp(1rem, 4vw, 3rem); padding-right: clamp(1rem, 4vw, 3rem); }
.hero { max-width: 1360px; margin: 0 auto; padding-top: clamp(2.6rem, 6vw, 5rem); padding-bottom: clamp(2.6rem, 6vw, 5rem); }
.hero-image { display: grid; grid-template-columns: minmax(0, .98fr) minmax(420px, 1.02fr); gap: clamp(2rem, 4.5vw, 4.25rem); align-items: center; }
.hero h1, .page-hero h1 { color: var(--id-heading-blue); font-size: clamp(1.9rem, 3.5vw, 3.35rem); line-height: 1.08; letter-spacing: -.032em; margin: .15rem 0 1rem; max-width: 820px; font-weight: 780; }
.page-hero h1 { font-size: clamp(1.85rem, 2.85vw, 2.9rem); }
.lead { font-size: clamp(1rem, 1.08vw, 1.12rem); color: var(--id-muted); max-width: 700px; line-height: 1.7; }
.eyebrow { color: var(--id-accent-blue); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: .7rem; margin: 0 0 .55rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: .86rem 1.1rem; font-weight: 760; text-decoration: none; min-height: 44px; transition: transform .18s ease, box-shadow .18s ease; white-space: nowrap; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--id-navy); color: var(--id-white); box-shadow: 0 14px 34px rgba(27,43,97,.2); }
.button.secondary { border: 1px solid var(--id-border); color: var(--id-heading-blue); background: var(--id-white); }
.button.light { background: var(--id-white); color: var(--id-heading-blue); }
.hero-note, .small-note { color: var(--id-muted); font-size: .95rem; max-width: 720px; }
.hero-figure, .page-hero-visual img, .evidence-feature figure, .image-panel figure { margin: 0; border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); background: var(--id-light-gray); }
.hero-figure img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.hero-figure figcaption { background: var(--id-navy); color: rgba(255,255,255,.84); padding: .78rem 1rem; font-size: .92rem; }
.page-hero { max-width: var(--max-width); margin: 0 auto; padding-top: clamp(2rem, 4vw, 3.25rem); padding-bottom: clamp(1.35rem, 3vw, 2.5rem); }
.page-hero-visual { max-width: 1360px; margin: 0 auto; padding-top: clamp(2rem, 4vw, 3.25rem); padding-bottom: clamp(1.75rem, 3.5vw, 3rem); }
.definition-strip { max-width: var(--max-width); margin: 0 auto clamp(2rem,4vw,4rem); display: grid; grid-template-columns: 280px minmax(0,1fr); gap: 2rem; align-items: start; border-top: 1px solid var(--id-border); border-bottom: 1px solid var(--id-border); padding-top: 2rem; padding-bottom: 2rem; }
.definition-strip h2, .definition-card h2 { color: var(--id-heading-blue); margin: 0; font-size: clamp(1.35rem,2.1vw,2rem); line-height: 1.14; letter-spacing: -.025em; }
.definition-strip p:last-child, .definition-card p { font-size: clamp(1rem,1.25vw,1.14rem); margin: 0; line-height: 1.7; }
.section { max-width: var(--max-width); margin: 0 auto; padding-top: clamp(2rem, 4.25vw, 3.7rem); padding-bottom: clamp(2rem, 4.25vw, 3.7rem); }
.section h2 { color: var(--id-heading-blue); font-size: clamp(1.35rem, 2.05vw, 2rem); line-height: 1.18; letter-spacing: -.024em; margin-top: 0; font-weight: 760; }
.section-kicker { max-width: 800px; margin-bottom: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2, .split, .evidence-feature, .page-hero-visual { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.5rem,4vw,3rem); align-items: center; }
.evidence-feature.reverse figure { order: 2; }
.evidence-feature img, .image-panel img, .page-hero-visual img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card { border: 1px solid var(--id-border); border-radius: var(--radius); padding: 1.35rem; background: var(--id-white); box-shadow: 0 8px 28px rgba(13,50,92,.06); }
.card h2 { font-size: 1.35rem; }
.narrow { max-width: 860px; }
.callout { background: var(--id-light-gray); border-radius: calc(var(--radius) + 6px); padding: clamp(1.4rem, 4vw, 3rem); margin-top: 2rem; margin-bottom: 2rem; }
.method-flow { border-top: 1px solid var(--id-border); border-bottom: 1px solid var(--id-border); }
.flow-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border: 1px solid var(--id-border); border-radius: 20px; overflow: hidden; background: var(--id-white); }
.flow-grid.dense { grid-template-columns: repeat(3, minmax(0,1fr)); }
.flow-grid article { padding: 1.25rem; border-right: 1px solid var(--id-border); border-bottom: 1px solid var(--id-border); min-height: 220px; }
.flow-grid article:nth-child(4n), .flow-grid.dense article:nth-child(3n) { border-right: 0; }
.flow-grid span { color: var(--id-accent-blue); font-weight: 900; letter-spacing: .08em; }
.flow-grid h3 { color: var(--id-heading-blue); font-size: 1.25rem; line-height: 1.15; margin: .7rem 0 .55rem; }
.feature-list { padding-left: 1.1rem; }
.feature-list li { margin-bottom: .75rem; }
.strong-list li { font-weight: 650; color: var(--id-heading-blue); }
.diagram { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; }
.diagram span { border-left: 4px solid var(--id-accent-blue); background: var(--id-light-gray); color: var(--id-heading-blue); font-weight: 750; padding: .85rem; border-radius: 12px; }
.faq-preview { background: var(--id-light-gray); border-radius: 24px; padding: clamp(1.5rem,4vw,3rem); }
.faq-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 1.3rem 0; }
details { background: var(--id-white); border: 1px solid var(--id-border); border-radius: 14px; padding: 1rem; }
summary { cursor: pointer; font-weight: 800; color: var(--id-heading-blue); }
details p { margin-bottom: 0; }
.definition-card { max-width: 980px; margin: 0 auto 2rem; background: var(--id-light-gray); border-radius: 24px; padding-top: clamp(1.5rem,4vw,3rem); padding-bottom: clamp(1.5rem,4vw,3rem); }
.faq-list { display: grid; gap: .8rem; }
.case-study { max-width: var(--max-width); margin: 0 auto; padding-top: clamp(2.15rem,5vw,4.2rem); padding-bottom: clamp(2.15rem,5vw,4.2rem); }
.case-header { max-width: 860px; }
.case-header h2 { color: var(--id-heading-blue); font-size: clamp(1.55rem,2.5vw,2.55rem); line-height: 1.14; letter-spacing: -.03em; margin: 0 0 1.2rem; font-weight: 760; }
.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 1.5rem 0 2rem; }
.case-stat { background: var(--id-navy); color: rgba(255,255,255,.82); border-radius: 18px; padding: 1.2rem; }
.case-stat span { display: block; color: var(--id-accent-blue); font-size: clamp(1.9rem,3.6vw,3.1rem); font-weight: 860; line-height: 1; letter-spacing: -.04em; }
.case-copy { columns: 2 360px; column-gap: 3rem; }
.case-copy h3 { color: var(--id-heading-blue); break-after: avoid; }
.proof-table { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--id-border); border: 1px solid var(--id-border); border-radius: 18px; overflow: hidden; }
.proof-table div { background: var(--id-white); padding: 1.1rem; }
.proof-table strong { display: block; color: var(--id-heading-blue); font-size: 1.05rem; margin-bottom: .35rem; }
.proof-table span { color: var(--id-muted); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; background: linear-gradient(135deg, var(--id-navy), var(--id-deep-blue)); color: rgba(255,255,255,.86); border-radius: 24px; padding: clamp(1.5rem, 4vw, 3rem); margin-top: 2rem; margin-bottom: 2rem; }
.cta-band h2 { color: var(--id-white); margin-bottom: .5rem; }
.cta-band .eyebrow { color: #7bdcff; }
.contact-form { border: 1px solid var(--id-border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); background: var(--id-white); }
.contact-form h2 { margin-top: 0; color: var(--id-heading-blue); }
.contact-form label { display: grid; gap: .35rem; margin-bottom: .85rem; font-weight: 700; color: var(--id-heading-blue); }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--id-border); border-radius: 10px; padding: .75rem .8rem; font: inherit; color: var(--id-text); }
.contact-form input:focus, .contact-form textarea:focus { outline: 3px solid rgba(19,175,240,.25); border-color: var(--id-accent-blue); }
.form-status { color: var(--id-muted); font-size: .92rem; }
.legal-copy h2 { margin-top: 2rem; }
.site-footer { margin-top: 3rem; background: var(--id-navy); color: rgba(255,255,255,.82); padding-top: 2rem; padding-bottom: 2rem; display: flex; justify-content: space-between; gap: 1rem; }
.site-footer strong { color: var(--id-white); }
.site-footer a { color: var(--id-white); margin-right: 1rem; }
@media (max-width: 980px) { .hero-image, .grid-3, .grid-2, .split, .evidence-feature, .page-hero-visual, .definition-strip { grid-template-columns: 1fr; } .flow-grid, .flow-grid.dense, .faq-grid, .case-grid, .proof-table { grid-template-columns: 1fr; } .flow-grid article, .flow-grid article:nth-child(4n), .flow-grid.dense article:nth-child(3n) { border-right: 0; } .evidence-feature.reverse figure { order: 0; } }
@media (max-width: 840px) { .nav-toggle { display: inline-flex; } .site-header { align-items: flex-start; } .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--id-navy); padding: 0 1rem 1rem; flex-direction: column; align-items: flex-start; } .site-nav.open { display: flex; } .site-footer, .cta-band { flex-direction: column; align-items: flex-start; } .brand { min-width: 0; } .brand-site { display: none; } }

.case-download-list { display: grid; gap: 1rem; }
.case-download-list article { border-top: 1px solid var(--id-border); padding-top: 1rem; }
.case-download-list h3 { color: var(--id-heading-blue); font-size: 1.25rem; margin: 0 0 .35rem; }
.case-download-list ul { margin-bottom: 0; }
.contact-form select { width: 100%; border: 1px solid var(--id-border); border-radius: 10px; padding: .75rem .8rem; font: inherit; color: var(--id-text); background: var(--id-white); }
.contact-form select:focus { outline: 3px solid rgba(19,175,240,.25); border-color: var(--id-accent-blue); }
.contact-layout, .case-download-layout { align-items: start; padding-top: clamp(1rem, 2vw, 1.75rem); }
.contact-layout .contact-form, .case-download-layout .contact-form, .contact-layout .zoho-form-frame, .case-download-layout .zoho-form-frame { margin-top: 0; }
.contact-layout > div h2, .case-download-layout > div h2 { margin-top: 0; }
.zoho-form-frame { border: 1px solid var(--id-border); border-radius: var(--radius); overflow: hidden; background: var(--id-white); box-shadow: var(--shadow); }
.zoho-form-frame iframe { display: block; width: 100%; height: 1120px; border: 0; }