@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap');

:root {
  --forest: #0b2d24;
  --forest-2: #123d31;
  --paper: #f3efe4;
  --paper-light: #fbf8f0;
  --ink: #10221c;
  --muted: #5d6d66;
  --line: rgba(16, 34, 28, 0.17);
  --signal: #ff6b35;
  --sage: #b8d7c4;
  --yellow: #f0c95a;
  --display: 'Fraunces', Georgia, serif;
  --sans: 'DM Sans', sans-serif;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, svg { max-width: 100%; }
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--paper-light);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  color: var(--paper-light);
}
.site-header--light {
  position: relative;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  width: min(calc(100% - 42px), var(--max));
  min-height: 86px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.025em;
  font-size: 1.12rem;
}
.brand-mark {
  width: 31px;
  height: 31px;
  position: relative;
  display: inline-block;
  border: 2px solid currentColor;
  border-radius: 50%;
}
.brand-mark::before,
.brand-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  border-top: 2px solid var(--signal);
  transform: translateY(-50%);
}
.brand-mark::before { left: 5px; right: 5px; }
.brand-mark::after {
  left: 12px;
  width: 5px;
  height: 10px;
  border: 0;
  border-left: 2px solid var(--signal);
  border-right: 2px solid var(--signal);
}
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
}
.nav-links a:hover { color: var(--signal); }
.nav-toggle {
  display: none;
  border: 0;
  color: inherit;
  background: transparent;
  font: 700 0.8rem var(--sans);
  letter-spacing: 0.08em;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button--signal { background: var(--signal); color: #1d1a15; }
.button--paper { background: var(--paper-light); color: var(--ink); }
.button--line { border-color: currentColor; }
.button--small { min-height: 42px; padding: 0 16px; }

.hero {
  min-height: 790px;
  position: relative;
  overflow: hidden;
  color: var(--paper-light);
  background:
    radial-gradient(circle at 79% 18%, rgba(62, 133, 105, 0.36), transparent 28%),
    linear-gradient(135deg, #071d18 0%, var(--forest) 55%, #0f382c 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image: repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(255,255,255,.08) 80px);
}
.hero::after {
  content: '';
  position: absolute;
  width: 560px;
  height: 560px;
  right: -210px;
  top: 130px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(255,255,255,.025), 0 0 0 180px rgba(255,255,255,.018);
}
.hero-shell {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 42px), var(--max));
  min-height: 790px;
  margin: 0 auto;
  padding: 168px 0 86px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr);
  gap: 70px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 19px;
  color: var(--signal);
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero h1,
.page-hero h1 {
  max-width: 820px;
  margin: 0;
  font: 600 clamp(3.4rem, 7vw, 6.7rem)/0.96 var(--display);
  letter-spacing: -0.055em;
}
.hero h1 em { color: var(--sage); font-weight: 500; }
.hero-lead {
  max-width: 650px;
  margin: 31px 0 0;
  color: #d2e1da;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.55;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.micro-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 26px;
  margin-top: 31px;
  color: #bcd0c7;
  font-size: 0.77rem;
  font-weight: 600;
}
.micro-proof span::before { content: '●'; margin-right: 8px; color: var(--signal); font-size: .55rem; }

.signal-board {
  position: relative;
  min-height: 510px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(5, 22, 18, .48);
  box-shadow: 0 34px 100px rgba(0,0,0,.28);
  backdrop-filter: blur(16px);
}
.board-head {
  min-height: 58px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.12);
  color: #c7dad1;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .13em;
}
.live-dot { color: var(--sage); }
.board-programme {
  margin: 24px;
  padding: 22px;
  color: var(--ink);
  background: var(--paper-light);
  transform: rotate(-1.1deg);
}
.board-programme small { color: var(--muted); font-size: .67rem; letter-spacing: .12em; }
.board-programme strong { display: block; margin: 7px 0; font: 600 1.65rem var(--display); }
.board-programme p { margin: 0; color: var(--muted); font-size: .82rem; }
.signal-line { height: 58px; margin: 0 24px; position: relative; }
.signal-line::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  border-top: 1px dashed rgba(255,255,255,.35);
}
.signal-pulse {
  position: absolute;
  top: 50%;
  left: 5%;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 8px rgba(255,107,53,.12);
  animation: travel 4s ease-in-out infinite;
}
@keyframes travel { 0%, 10% { left: 5%; } 70%, 100% { left: 91%; } }
.station-stack { display: grid; gap: 9px; margin: 0 24px 24px; }
.station-row {
  min-height: 60px;
  padding: 11px 14px;
  display: grid;
  grid-template-columns: 33px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.055);
}
.station-icon { display: grid; place-items: center; width: 33px; height: 33px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; }
.station-row strong, .station-row small { display: block; }
.station-row strong { font-size: .82rem; }
.station-row small { color: #aac1b7; font-size: .65rem; }
.status { color: var(--sage); font-size: .65rem; font-weight: 700; letter-spacing: .1em; }

.fact-strip { background: var(--signal); color: #201d17; }
.fact-strip__inner {
  width: min(calc(100% - 42px), var(--max));
  min-height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}
.fact-strip div { display: flex; align-items: center; gap: 12px; padding: 18px 26px; border-right: 1px solid rgba(0,0,0,.22); }
.fact-strip div:first-child { padding-left: 0; }
.fact-strip div:last-child { border: 0; }
.fact-strip b { font: 600 1.7rem var(--display); }
.fact-strip span { font-size: .76rem; font-weight: 700; line-height: 1.25; }

.section { padding: 116px 0; }
.section--tight { padding: 82px 0; }
.section--light { background: var(--paper-light); }
.section--dark { color: var(--paper-light); background: var(--forest); }
.shell { width: min(calc(100% - 42px), var(--max)); margin: 0 auto; }
.section-head { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; margin-bottom: 64px; }
.section-head h2,
.split-copy h2,
.final-cta h2 {
  margin: 0;
  font: 600 clamp(2.55rem, 4.7vw, 4.8rem)/1.02 var(--display);
  letter-spacing: -0.045em;
}
.section-head p:last-child { max-width: 650px; margin: 0; color: var(--muted); font-size: 1.08rem; }
.section--dark .section-head p:last-child, .section--dark .muted { color: #bed0c8; }

.audience-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.audience-card { min-height: 520px; padding: 46px; display: flex; flex-direction: column; }
.audience-card + .audience-card { border-left: 1px solid var(--line); }
.audience-number { color: var(--signal); font-size: .7rem; font-weight: 700; letter-spacing: .16em; }
.audience-card h3 { margin: 50px 0 14px; font: 600 clamp(2rem, 3vw, 3.1rem)/1.06 var(--display); letter-spacing: -.04em; }
.audience-card > p { max-width: 520px; color: var(--muted); }
.plain-list { margin: 24px 0 34px; padding: 0; list-style: none; }
.plain-list li { padding: 12px 0 12px 23px; position: relative; border-top: 1px solid var(--line); font-size: .9rem; }
.plain-list li::before { content: '→'; position: absolute; left: 0; color: var(--signal); }
.text-link { margin-top: auto; width: fit-content; color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 5px; font-weight: 700; font-size: .86rem; }

.workflow { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.22); }
.workflow article { min-height: 290px; padding: 29px 24px; border-right: 1px solid rgba(255,255,255,.14); }
.workflow article:last-child { border: 0; }
.workflow span { color: var(--signal); font-size: .69rem; font-weight: 700; }
.workflow h3 { margin: 60px 0 12px; font: 600 1.42rem/1.08 var(--display); }
.workflow p { margin: 0; color: #b9ccc3; font-size: .82rem; }

.evidence-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: 78px; align-items: center; }
.split-copy p { color: var(--muted); }
.note {
  margin-top: 30px;
  padding: 17px 20px;
  border-left: 3px solid var(--signal);
  color: var(--muted);
  background: rgba(255,255,255,.5);
  font-size: .83rem;
}
.evidence-rail { position: relative; padding: 12px 0; }
.evidence-rail::before { content: ''; position: absolute; top: 29px; bottom: 29px; left: 20px; border-left: 1px dashed var(--line); }
.evidence-event { position: relative; min-height: 70px; padding: 12px 16px 12px 61px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; }
.evidence-event::before { content: ''; position: absolute; left: 14px; top: 27px; width: 13px; height: 13px; border: 3px solid var(--paper-light); border-radius: 50%; background: var(--forest); box-shadow: 0 0 0 1px var(--forest); }
.evidence-event:last-child::before { background: var(--signal); box-shadow: 0 0 0 1px var(--signal); }
.evidence-event strong, .evidence-event small { display: block; }
.evidence-event strong { font-size: .9rem; }
.evidence-event small { color: var(--muted); font-size: .7rem; }
.evidence-event time { color: var(--muted); font-size: .68rem; }

.control-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid rgba(255,255,255,.16); }
.control-panel > div { padding: 50px; }
.control-panel > div + div { border-left: 1px solid rgba(255,255,255,.16); }
.control-panel .dial { width: 150px; height: 150px; margin: 22px auto 35px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; box-shadow: inset 0 0 0 22px rgba(255,255,255,.025); }
.dial b { font: 600 2rem var(--display); color: var(--sage); }
.control-panel h3 { margin: 0 0 15px; font: 600 2rem var(--display); }
.control-panel p { color: #bcd0c7; }

.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); }
.feature-grid article { min-height: 310px; padding: 29px 24px; border-right: 1px solid var(--line); }
.feature-grid article:last-child { border: 0; }
.feature-grid span { color: var(--signal); font-size: .68rem; font-weight: 700; letter-spacing: .13em; }
.feature-grid h3 { margin: 65px 0 14px; font: 600 1.6rem var(--display); }
.feature-grid p { color: var(--muted); font-size: .82rem; }

.final-cta { padding: 105px 0; color: var(--paper-light); background: var(--signal); }
.final-cta__inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; }
.final-cta .eyebrow { color: #472619; }
.final-cta p { max-width: 620px; color: #442c23; }
.final-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; }

.site-footer { padding: 60px 0 35px; color: #bcd0c7; background: #061b16; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 50px; }
.footer-grid h3 { margin: 0 0 17px; color: var(--paper-light); font: 600 1rem var(--sans); }
.footer-grid a { display: block; width: fit-content; margin: 8px 0; color: #bcd0c7; text-decoration: none; font-size: .8rem; }
.footer-grid a:hover { color: var(--signal); }
.footer-grid p { max-width: 330px; font-size: .8rem; }
.footer-bottom { margin-top: 50px; padding-top: 23px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: .68rem; }

.page-hero { padding: 115px 0 90px; color: var(--paper-light); background: var(--forest); }
.page-hero .shell { padding-top: 40px; }
.page-hero p:last-child { max-width: 710px; margin: 28px 0 0; color: #c5d7cf; font-size: 1.18rem; }
.content-grid { display: grid; grid-template-columns: .55fr 1.45fr; gap: 80px; }
.content-nav { position: sticky; top: 30px; align-self: start; }
.content-nav a { display: block; padding: 10px 0; color: var(--muted); text-decoration: none; font-size: .83rem; border-bottom: 1px solid var(--line); }
.prose h2 { margin: 0 0 20px; font: 600 clamp(2.1rem, 4vw, 3.5rem)/1.04 var(--display); letter-spacing: -.04em; }
.prose h3 { margin: 45px 0 12px; font: 600 1.65rem var(--display); }
.prose p, .prose li { color: var(--muted); }
.prose section + section { margin-top: 85px; padding-top: 80px; border-top: 1px solid var(--line); }
.prose .plain-list li { color: var(--ink); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 24px 42px 24px 0; position: relative; cursor: pointer; font: 600 1.18rem var(--display); list-style: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 4px; color: var(--signal); font: 400 1.4rem var(--sans); }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { margin: -8px 0 25px; max-width: 800px; }
.agent-card { padding: 28px; border: 1px solid var(--line); background: var(--paper-light); }
.agent-card code { color: var(--forest); font-size: .8rem; overflow-wrap: anywhere; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition: none !important; }
}

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 21px;
    right: 21px;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    color: var(--ink);
    background: var(--paper-light);
    box-shadow: 0 22px 60px rgba(0,0,0,.18);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px; }
  .hero-shell { grid-template-columns: 1fr; padding-top: 150px; gap: 55px; }
  .hero { min-height: auto; }
  .hero-shell { min-height: auto; }
  .signal-board { max-width: 640px; }
  .section-head, .evidence-layout, .final-cta__inner, .content-grid { grid-template-columns: 1fr; gap: 36px; }
  .workflow, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow article:nth-child(even), .feature-grid article:nth-child(even) { border-right: 0; }
  .workflow article, .feature-grid article { border-bottom: 1px solid rgba(255,255,255,.14); }
  .feature-grid article { border-bottom-color: var(--line); }
  .workflow article:last-child, .feature-grid article:last-child { border-bottom: 0; }
  .final-actions { justify-content: flex-start; }
  .content-nav { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav-shell, .hero-shell, .shell, .fact-strip__inner { width: min(calc(100% - 30px), var(--max)); }
  .site-header--light .nav-shell { min-height: 72px; }
  .hero h1, .page-hero h1 { font-size: clamp(3rem, 15vw, 4.4rem); }
  .hero-shell { padding-top: 130px; padding-bottom: 60px; }
  .hero-actions .button { width: 100%; }
  .signal-board { min-height: 470px; }
  .board-programme, .signal-line, .station-stack { margin-left: 14px; margin-right: 14px; }
  .station-row { grid-template-columns: 33px 1fr; }
  .station-row .status { grid-column: 2; }
  .fact-strip__inner { grid-template-columns: 1fr; padding: 9px 0; }
  .fact-strip div, .fact-strip div:first-child { padding: 13px 0; border-right: 0; border-bottom: 1px solid rgba(0,0,0,.18); }
  .fact-strip div:last-child { border: 0; }
  .section { padding: 82px 0; }
  .section-head { margin-bottom: 42px; }
  .audience-grid, .control-panel { grid-template-columns: 1fr; }
  .audience-card { min-height: auto; padding: 31px 25px; }
  .audience-card + .audience-card, .control-panel > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .control-panel > div + div { border-top-color: rgba(255,255,255,.16); }
  .control-panel > div { padding: 32px 26px; }
  .workflow, .feature-grid { grid-template-columns: 1fr; }
  .workflow article, .feature-grid article { min-height: auto; border-right: 0; }
  .workflow h3, .feature-grid h3 { margin-top: 34px; }
  .evidence-event { grid-template-columns: 1fr; gap: 2px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .page-hero { padding: 80px 0 62px; }
}