/* Loyalto v6 — evidence-only editorial positioning page. */

@font-face {
  font-family: "Fraunces";
  src: url("assets/fonts/fraunces-variable.woff2") format("woff2-variations"), url("assets/fonts/fraunces-variable.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("assets/fonts/source-sans-3-variable.woff2") format("woff2-variations"), url("assets/fonts/source-sans-3-variable.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --brand-navy: #253c91;
  --brand-navy-deep: #172a6b;
  --brand-magenta: #d70080;
  --color-text: #1a1a1a;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f6fa;
  --color-border: #dde1ee;
  --color-on-navy: #ffffff;
  --font-display: "Fraunces", Georgia, serif;
  --font-sans: "Source Sans 3", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --measure: 62ch;
  --max-width: 1180px;
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 7rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
}

h1, h2, h3 { margin: 0 0 var(--space-2); font-family: var(--font-display); line-height: 1.12; font-weight: 600; letter-spacing: -.01em; }
h1 { max-width: 18ch; font-size: clamp(2rem, 1.15rem + 4.2vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 1.1rem + 2.2vw, 2.6rem); }
h3 { margin-bottom: .35em; font-family: var(--font-sans); font-size: 1.15rem; font-weight: 700; }
p { max-width: var(--measure); margin: 0 0 var(--space-2); }
a { color: var(--brand-navy); }
a:hover, a:focus { color: var(--brand-navy-deep); }
a:focus-visible, label:focus-within { outline: 3px solid var(--brand-magenta); outline-offset: 2px; }

.container { width: min(100% - 3.5rem, var(--max-width)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: 0; left: -9999px; z-index: 100; padding: var(--space-1) var(--space-2); color: var(--color-on-navy); background: var(--brand-navy); }
.skip-link:focus { top: 0; left: 0; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--color-border); background: var(--color-bg); }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-1); padding-block: var(--space-2); }
.wordmark { display: inline-flex; align-items: center; min-height: 44px; }
.wordmark img { display: block; width: auto; height: 40px; }
.site-nav { display: flex; align-items: center; gap: var(--space-3); font-weight: 600; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--color-text); text-decoration: none; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a:focus { color: var(--brand-navy); border-bottom-color: var(--brand-magenta); }
.nav-toggle-checkbox { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; border: 1px solid var(--color-border); background: var(--color-bg); cursor: pointer; }
.nav-toggle-icon, .nav-toggle-icon::before, .nav-toggle-icon::after { display: block; width: 20px; height: 2px; background: var(--brand-navy); }
.nav-toggle-icon::before, .nav-toggle-icon::after { content: ""; margin-top: 5px; }
.nav-toggle-checkbox:focus-visible + .nav-toggle { outline: 3px solid var(--brand-magenta); outline-offset: 2px; }

/* Hero — brand-led navy band, real wordmark lockup, no fake UI */
.hero { padding: var(--space-5) 0; overflow: hidden; color: var(--color-on-navy); background: var(--brand-navy); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.eyebrow, .section-label, .about-label { display: block; margin: 0 0 var(--space-1); color: var(--brand-magenta); font-size: .8125rem; font-weight: 700; letter-spacing: .08em; line-height: 1.25; text-transform: uppercase; }
.hero h1 { color: var(--color-on-navy); }
.hero .lede { max-width: 44ch; margin-bottom: 0; color: var(--color-on-navy); font-size: 1.25rem; opacity: .92; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: var(--space-3); }
.button { display: inline-flex; align-items: center; min-height: 44px; padding: var(--space-2) var(--space-3); border: 2px solid var(--brand-navy); color: var(--color-on-navy); background: var(--brand-navy); font-weight: 700; line-height: 1.15; text-decoration: none; }
.button:hover, .button:focus { border-color: var(--brand-navy-deep); color: var(--color-on-navy); background: var(--brand-navy-deep); }
.hero-actions .button { border-color: var(--color-on-navy); color: var(--brand-navy); background: var(--color-on-navy); }
.hero-actions .button:hover, .hero-actions .button:focus { border-color: var(--color-bg-alt); color: var(--brand-navy-deep); background: var(--color-bg-alt); }
.text-link { display: inline-flex; align-items: center; gap: .4em; min-height: 44px; color: var(--brand-navy); font-weight: 700; text-decoration: none; }
.text-link span { color: var(--brand-magenta); }
.hero-actions .text-link { color: var(--color-on-navy); }
.hero-actions .text-link span { color: var(--brand-magenta); }
.hero-brand { display: flex; align-items: center; justify-content: center; position: relative; min-height: clamp(220px, 26vw, 340px); padding-inline-start: clamp(1.75rem, 4vw, 3rem); }
.hero-brand-rule { position: absolute; left: 0; top: 10%; bottom: 10%; width: 4px; background: var(--brand-magenta); }
.hero-brand-mark { display: block; width: 100%; max-width: 380px; height: auto; }

/* Shared section language */
.section { padding-block: var(--space-4); scroll-margin-top: 96px; }
.section-numeral { display: block; margin-bottom: var(--space-1); color: var(--brand-magenta); font-family: var(--font-display); font-size: clamp(2.75rem, 2rem + 2vw, 4rem); font-variant-numeric: tabular-nums; font-weight: 700; line-height: 1; }
.section-lede { max-width: 56ch; color: #333; font-size: 1.1rem; }

/* Editorial operating model — intro and flow share one top rail */
.section-membership { padding-top: var(--space-4); }
.membership-inner { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 8rem); align-items: start; }
.section-intro h2 { margin-bottom: var(--space-2); }
.operating-flow { max-width: none; padding: 0; margin: 0; list-style: none; }
.operating-flow li { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-3); padding: var(--space-3) 0; border-top: 1px solid var(--color-border); }
.operating-flow li:last-child { border-bottom: 1px solid var(--color-border); }
.flow-index { color: var(--brand-navy); font-family: var(--font-display); font-size: 1.1rem; font-variant-numeric: tabular-nums; font-weight: 700; }
.operating-flow p { max-width: 54ch; margin: 0; color: #333; }

/* Light analytics band — navy text on --color-bg-alt, magenta top rules only */
.section-analytics { background: var(--color-bg-alt); padding-block: var(--space-3); }
.analytics-inner { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(2rem, 8vw, 9rem); align-items: end; }
.band-intro h2 { color: var(--brand-navy-deep); }
.band-intro p { max-width: 46ch; margin: 0; color: #333; font-size: 1.05rem; }
.term-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-2); padding: 0; margin: 0; list-style: none; }
.term-list li { min-width: 0; padding-top: var(--space-2); border-top: 3px solid var(--brand-magenta); color: var(--brand-navy-deep); font-family: var(--font-display); font-size: clamp(1rem, .88rem + .5vw, 1.3rem); font-weight: 600; line-height: 1.15; }

/* Quiet index — one continuous editorial list */
.applications-inner { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 8rem); align-items: start; }
.index-list { display: block; margin: 0; }
.index-entry { display: grid; grid-template-columns: minmax(0, .4fr) minmax(0, .6fr); gap: var(--space-4); min-width: 0; padding: var(--space-3) 0; border-top: 1px solid var(--color-border); }
.index-list .index-entry:last-child { border-bottom: 1px solid var(--color-border); }
.index-entry dt { margin: 0; color: var(--brand-navy); font-size: .98rem; font-weight: 700; }
.index-entry dd { margin: 0; color: #444; font-size: .95rem; }

/* Clientele — restrained white grid of real client logos, no metrics */
.section-clients { background: var(--color-bg); }
.clients-heading { max-width: 60ch; margin-bottom: var(--space-4); }
.clients-heading .section-lede { color: #555; font-size: 1rem; }
.client-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); align-items: center; justify-items: center; gap: var(--space-3); padding: 0; margin: 0; list-style: none; }
.client-grid-item { display: flex; align-items: center; justify-content: center; width: 100%; min-width: 0; }
.client-grid-item img { display: block; max-width: 100%; width: auto; height: 44px; filter: grayscale(1) contrast(1.05); opacity: .82; }

/* Concise company close */
.section-about { background: var(--color-bg-alt); }
.about-inner { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 8rem); align-items: start; }
.about-copy { padding-top: .4rem; }
.about-copy > p:first-child { max-width: 45ch; font-family: var(--font-display); font-size: clamp(1.2rem, 1rem + .6vw, 1.5rem); line-height: 1.25; }
.about-label { margin-top: var(--space-4); }
.taxonomy-row { display: flex; flex-wrap: wrap; align-items: center; gap: .5em; max-width: 60ch; margin: 0; color: var(--brand-navy-deep); font-family: var(--font-display); font-size: 1.08rem; font-weight: 600; }
.taxonomy-row span[aria-hidden] { color: var(--brand-magenta); }

/* Closing navy band */
.site-footer { padding-block: var(--space-5) var(--space-4); color: var(--color-on-navy); background: var(--brand-navy); }
.footer-inner { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 8rem); align-items: end; }
.footer-brand img { display: block; width: auto; height: 40px; margin-bottom: var(--space-3); }
.footer-brand p, .footer-close p { margin: 0; color: var(--color-on-navy); }
.footer-close h2 { color: var(--color-on-navy); }
.footer-close .button { margin-top: var(--space-3); color: var(--brand-navy); background: var(--color-on-navy); border-color: var(--color-on-navy); }
.footer-close .button:hover, .footer-close .button:focus { color: var(--brand-navy-deep); background: var(--color-bg-alt); border-color: var(--color-bg-alt); }

@media (min-width: 701px) {
  .wordmark img { height: 48px; }
}

@media (max-width: 900px) {
  .hero-grid, .analytics-inner, .membership-inner, .applications-inner, .about-inner, .footer-inner { grid-template-columns: 1fr; }
  .hero-brand { justify-content: flex-start; min-height: 0; padding-inline-start: 0; padding-top: var(--space-4); }
  .hero-brand-rule { position: static; width: 4rem; height: 4px; margin-bottom: var(--space-2); }
  .hero-brand-mark { max-width: 260px; }
  .operating-flow { margin-top: var(--space-4); }
  .term-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .client-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  .container { width: min(100% - 2rem, var(--max-width)); }
  .header-inner { padding-block: .65rem; }
  .nav-toggle { display: inline-flex; order: 1; }
  .site-nav { display: none; order: 2; flex-basis: 100%; width: 100%; flex-direction: column; align-items: stretch; gap: 0; margin-top: var(--space-2); }
  .site-nav a { padding-block: var(--space-2); border-bottom: 1px solid var(--color-border); }
  .nav-toggle-checkbox:checked ~ .site-nav { display: flex; }
  .hero { padding-top: var(--space-4); padding-bottom: var(--space-4); }
  .hero-grid { gap: var(--space-3); }
  .hero-brand { padding-top: var(--space-3); }
  .hero-brand-mark { max-width: 220px; }
  .section { padding-block: var(--space-4); }
  .section-intro, .applications-inner, .about-inner { grid-template-columns: 1fr; gap: var(--space-3); }
  .section-intro h2 { margin-bottom: var(--space-2); }
  .operating-flow { margin-top: var(--space-3); }
  .operating-flow li { grid-template-columns: 2.5rem 1fr; gap: var(--space-2); }
  .analytics-inner { gap: var(--space-4); }
  .term-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3) var(--space-2); }
  .client-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }
  .client-grid-item img { height: 36px; }
  .index-entry { grid-template-columns: 1fr; gap: var(--space-1); }
  .index-list .index-entry:last-child { border-bottom: 1px solid var(--color-border); }
  .about-copy { padding-top: 0; }
  .about-label { margin-top: var(--space-3); }
  .footer-inner { gap: var(--space-4); }
}

@media (max-width: 360px) {
  .hero-actions { align-items: stretch; flex-direction: column; gap: var(--space-1); }
  .hero-actions .button, .hero-actions .text-link { width: 100%; }
  .term-list { grid-template-columns: 1fr; }
}