/* Sales Agent Labs, Inc. | copilotforsales.com */

/* Self-hosted fonts (SIL Open Font License) */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url("fonts/inter-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Source Serif 4"; font-style: normal; font-weight: 200 900; font-display: swap; src: url("fonts/source-serif-4-latin-var.woff2") format("woff2-variations"), url("fonts/source-serif-4-latin-var.woff2") format("woff2"); }

:root {
  --paper: #f7f6f2;
  --paper-2: #efede6;
  --surface: #ffffff;
  --ink: #0f1a2a;
  --ink-2: #364152;
  --muted: #667085;
  --rule: #dcd9d0;
  --rule-strong: #c4c0b4;
  --accent: #2f9a63;        /* signal green: the status dot, graphics, markers */
  --accent-ink: #1e744a;    /* green for text on light backgrounds */
  --accent-soft: #e4f2ea;
  --neutral-soft: #efeee9;
  --dark: #0f1a2a;
  --dark-2: #182638;
  --on-dark: #e9edf2;
  --on-dark-muted: #9aa6b5;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --shell: 1160px;
  --gutter: 24px;
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { margin: 0; font-weight: 500; }
p, ul, ol { margin: 0; }
a { color: inherit; }
img, svg { display: block; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }

.shell { max-width: var(--shell); margin: 0 auto; padding: 0 var(--gutter); }

.skip {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--ink); color: #fff; padding: 8px 14px; border-radius: var(--radius);
  text-decoration: none; font-size: 14px;
}
.skip:focus { top: 12px; }

section[id], #top { scroll-margin-top: 76px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 0 22px;
  background: var(--ink); color: #fff;
  border: 1px solid var(--ink); border-radius: var(--radius);
  font: 500 15px/1 var(--sans); letter-spacing: 0.005em;
  text-decoration: none; white-space: nowrap;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: #26354a; border-color: #26354a; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-ghost:hover { background: var(--surface); color: var(--ink); border-color: var(--ink); }
.btn-small { min-height: 38px; padding: 0 16px; font-size: 14px; }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: var(--paper-2); border-color: var(--paper-2); color: var(--ink); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 246, 242, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; font-size: 17px; letter-spacing: -0.03em; }
.mark { width: 26px; height: 26px; color: var(--ink); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { text-decoration: none; font-size: 14.5px; color: var(--ink-2); }
.nav a:not(.btn):hover { color: var(--ink); }
.nav-toggle { display: none; }

/* Typography */
.eyebrow { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; font-weight: 500; color: var(--ink-2); margin-bottom: 18px; }
h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(40px, 5.4vw, 64px); line-height: 1.06; letter-spacing: -0.02em;
  max-width: 13ch;
}
h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(30px, 3.4vw, 42px); line-height: 1.14; letter-spacing: -0.015em;
  max-width: 28ch;
}
h3 { font-size: 17px; font-weight: 600; line-height: 1.35; letter-spacing: -0.005em; }
.lede { font-size: 19px; line-height: 1.6; color: var(--ink-2); max-width: 56ch; margin-top: 24px; }
.section-lede { font-size: 18px; color: var(--ink-2); max-width: 62ch; margin-top: 18px; }

/* Hero */
.hero { padding: 88px 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.audience { margin-top: 22px; font-size: 14px; color: var(--muted); }

.brief {
  margin: 0; background: var(--surface);
  border: 1px solid var(--rule); border-radius: 10px;
  box-shadow: 0 1px 2px rgba(15, 26, 42, .04), 0 18px 40px -18px rgba(15, 26, 42, .18);
  overflow: hidden;
}
.brief-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 20px 22px 16px; border-bottom: 1px solid var(--rule); }
.brief-title { font-weight: 600; font-size: 15px; }
.brief-meta { font-size: 13px; color: var(--muted); margin-top: 2px; }
.status { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-2); padding: 4px 10px; border: 1px solid var(--rule); border-radius: 999px; white-space: nowrap; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(47, 154, 99, .18); }
.brief-list { list-style: none; padding: 6px 22px; }
.brief-list li { display: grid; grid-template-columns: 82px 1fr; gap: 14px; padding: 14px 0; font-size: 14.5px; line-height: 1.5; color: var(--ink-2); }
.brief-list li + li { border-top: 1px solid var(--paper-2); }
.brief-list strong { color: var(--ink); font-weight: 600; }
.tag { align-self: start; font-size: 12px; font-weight: 500; padding: 3px 0; text-align: center; border-radius: 4px; }
.tag { background: var(--neutral-soft); color: var(--ink-2); }
.tag-risk { background: var(--ink); color: #fff; }
.brief figcaption { font-size: 12px; color: var(--muted); padding: 10px 22px 14px; border-top: 1px solid var(--paper-2); }

/* Stat strip */
.stat-strip { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--surface); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-top: 40px; padding-bottom: 40px; align-items: center; }
.stat { display: flex; align-items: center; gap: 24px; }
.stat-num { font-family: var(--serif); font-size: 64px; line-height: 0.9; flex: none; letter-spacing: -0.03em; color: var(--ink); }
.stat-label { font-size: 17px; color: var(--ink); max-width: 24ch; line-height: 1.4; }
.stat-source { display: block; margin-top: 6px; font-size: 12.5px; color: var(--muted); }
.stat-copy { color: var(--ink-2); max-width: 52ch; padding-left: 48px; border-left: 1px solid var(--rule); }

/* Sections */
.section { padding: 112px 0; }
.section-alt { background: var(--paper-2); }
.section-head { margin-bottom: 56px; }

/* Equation */
.equation {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch; gap: 0;
  border: 1px solid var(--rule); border-radius: 10px; background: var(--surface);
  margin-bottom: 56px;
}
.term { padding: 26px 22px; }
.term-name { font-family: var(--serif); font-size: 21px; line-height: 1.2; letter-spacing: -0.01em; }
.term-note { font-size: 14px; color: var(--muted); margin-top: 10px; line-height: 1.5; }
.term-flat .term-name { color: var(--muted); }
.term-result { background: var(--ink); color: #fff; border-radius: 0 9px 9px 0; }
.term-result .term-note { color: var(--on-dark-muted); }
.op { display: flex; align-items: center; justify-content: center; padding: 0 4px; font-family: var(--serif); font-size: 26px; color: var(--rule-strong); }
.op-eq { color: var(--ink-2); padding: 0 14px; }

.three, .four { display: grid; gap: 40px; }
.three { grid-template-columns: repeat(3, 1fr); }
.four { grid-template-columns: repeat(4, 1fr); gap: 36px; }
.three article, .four article { border-top: 1px solid var(--ink); padding-top: 22px; }
.three p, .four p { margin-top: 10px; color: var(--ink-2); font-size: 16px; }

/* Week */
.week { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule-strong); }
.week li { padding: 26px 26px 0 0; position: relative; color: var(--ink-2); font-size: 16px; }
.week li::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.week-when { font-weight: 600; color: var(--ink); margin-bottom: 10px; font-size: 16.5px; }
.control-note { margin-top: 48px; padding: 18px 22px; background: var(--surface); border-left: 3px solid var(--ink); color: var(--ink); max-width: 760px; font-size: 16px; }

/* Architecture */
.arch { display: grid; grid-template-columns: 1fr 140px 1fr; align-items: stretch; }
.store { background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; padding: 30px 30px 32px; }
.store > p { color: var(--muted); font-size: 15px; margin-top: 6px; }
.store ul { list-style: none; padding: 0; margin-top: 20px; }
.store li { padding: 11px 0; border-top: 1px solid var(--paper-2); font-size: 15.5px; color: var(--ink-2); }
.arch-core { display: flex; align-items: center; justify-content: center; }
.arch-line { flex: 1; height: 1px; background: var(--rule-strong); }
.arch-node { display: inline-flex; align-items: center; justify-content: center; width: 72px; height: 72px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 14px; font-weight: 500; flex: none; }
.arch-out { margin-top: 28px; text-align: center; color: var(--ink-2); font-size: 15.5px; }

/* Dark section */
.section-dark { background: var(--dark); color: var(--on-dark); }
.section-dark .eyebrow { color: var(--on-dark-muted); }
.section-dark h2 { color: #fff; }
.section-dark .four article { border-top-color: #3a4a60; }
.section-dark h3 { color: #fff; }
.section-dark .four p { color: var(--on-dark-muted); }

/* Pilot */
.phases { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--rule); border-radius: 10px; background: var(--surface); overflow: hidden; }
.phases li { padding: 30px 30px 34px; }
.phases li + li { border-left: 1px solid var(--rule); }
.phase-when { font-size: 13.5px; color: var(--accent-ink); font-weight: 500; margin-bottom: 10px; }
.phases h3 { font-family: var(--serif); font-weight: 500; font-size: 23px; letter-spacing: -0.01em; }
.phases p:last-child { margin-top: 10px; color: var(--ink-2); font-size: 16px; }
.metrics { margin-top: 48px; display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: start; }
.metrics ul { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 32px; }
.metrics li { padding: 12px 0; border-top: 1px solid var(--rule); font-size: 15.5px; color: var(--ink-2); }

/* Split layout */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 72px; align-items: start; }
.split .section-head { margin-bottom: 0; }

.checks { list-style: none; padding: 0; }
.checks li { position: relative; padding: 20px 0 20px 34px; border-top: 1px solid var(--rule-strong); color: var(--ink-2); font-size: 16px; }
.checks li:last-child { border-bottom: 1px solid var(--rule-strong); }
.checks li::before {
  content: ""; position: absolute; left: 2px; top: 25px; width: 16px; height: 16px;
  background: no-repeat center / 16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3L13 4.5' fill='none' stroke='%232f9a63' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.checks strong { color: var(--ink); font-weight: 600; }

/* FAQ */
.faq details { border-top: 1px solid var(--rule-strong); }
.faq details:last-child { border-bottom: 1px solid var(--rule-strong); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative;
  font-weight: 500; font-size: 17px; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border-right: 1.5px solid var(--ink-2); border-bottom: 1.5px solid var(--ink-2);
  transform: rotate(45deg); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p { padding: 0 40px 24px 0; color: var(--ink-2); font-size: 16px; max-width: 62ch; }

/* Contact */
.contact { background: var(--dark); color: #fff; padding: 96px 0; }
.contact-inner { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items: center; }
.contact h2 { color: #fff; }
.contact-inner > div > p { margin-top: 16px; color: var(--on-dark-muted); font-size: 18px; max-width: 58ch; }
.contact-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.contact-actions p { color: var(--on-dark-muted); font-size: 15px; }
.contact-actions p a { color: #fff; }

/* Footer */
.site-footer { background: #0a121e; color: var(--on-dark-muted); padding: 48px 0 36px; font-size: 14px; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-bottom: 28px; border-bottom: 1px solid #22303f; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff !important; font-size: 16px; letter-spacing: -0.03em; }
.footer-brand .mark { color: #fff; width: 24px; height: 24px; }
.footer-brand .brand-rule { background: #3a4a60; }
.footer-brand .brand-product { color: var(--on-dark-muted); }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-bottom { display: flex; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; padding-top: 22px; font-size: 13px; }

/* Responsive */
@media (max-width: 1080px) {
  .equation { grid-template-columns: 1fr 1fr; }
  .equation .op { display: none; }
  .term { border-bottom: 1px solid var(--rule); }
  .term:nth-of-type(odd):not(.term-result) { border-right: 1px solid var(--rule); }
  .term-result { grid-column: 1 / -1; border-radius: 0 0 9px 9px; border-bottom: 0; }
  .four { grid-template-columns: repeat(2, 1fr); }
  .week { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
}

@media (max-width: 920px) {
  body { font-size: 16px; }
  .nav-toggle {
    display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
    background: transparent; border: 1px solid var(--rule-strong); border-radius: var(--radius);
    font: 500 14px var(--sans); color: var(--ink); cursor: pointer;
  }
  .nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule); padding: 8px var(--gutter) 20px;
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) { padding: 13px 0; border-bottom: 1px solid var(--rule); font-size: 16px; }
  .nav .btn { margin-top: 16px; }
  .hero { padding: 56px 0 64px; }
  .hero-grid, .split, .contact-inner, .metrics { grid-template-columns: 1fr; gap: 40px; }
  .stat-grid { grid-template-columns: 1fr; gap: 20px; }
  .stat-copy { padding-left: 0; border-left: 0; }
  .three { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 40px; }
  .arch { grid-template-columns: 1fr; }
  .arch-core { flex-direction: column; height: 120px; }
  .arch-line { width: 1px; height: auto; flex: 1; }
  .phases { grid-template-columns: 1fr; }
  .phases li + li { border-left: 0; border-top: 1px solid var(--rule); }
  .metrics ul { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; }
  .lede { font-size: 17.5px; }
  .brief-list li { grid-template-columns: 1fr; gap: 6px; }
  .tag { justify-self: start; padding: 3px 8px; }
  .stat-num { font-size: 52px; }
  .equation { grid-template-columns: 1fr; }
  .term:nth-of-type(odd):not(.term-result) { border-right: 0; }
  .four, .week, .metrics ul { grid-template-columns: 1fr; }
  .cta-row .btn { flex: 1 1 100%; }
  .faq summary, .faq details p { padding-right: 32px; }
}

/* Signal dot: the accent used as a marker, echoing the logo */
.eyebrow::before { content: ""; margin-top: 0.55em; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }

/* Product lockup in the header */
.brand-lab { font-weight: 600; }
.brand-rule { width: 1px; height: 20px; background: var(--rule-strong); margin: 0 2px; }
.brand-product { font-weight: 500; color: var(--muted); letter-spacing: -0.025em; }
@media (max-width: 600px) {
  .brand { display: grid; grid-template-columns: auto auto; column-gap: 10px; row-gap: 1px; align-items: center; }
  .brand .mark { grid-row: 1 / span 2; }
  .brand-rule { display: none; }
  .brand-lab { font-size: 16px; line-height: 1.1; }
  .brand-product { font-size: 13px; line-height: 1.1; letter-spacing: -0.01em; }
}
.footer-bottom span { display: inline-block; }
.footer-bottom .sep { white-space: pre; }
@media (max-width: 600px) {
  .footer-bottom { flex-direction: column; }
  .footer-bottom .sep { display: none; }
  .footer-bottom p span:not(.sep) { display: block; }
}