:root {
  --ink: #151b1f;
  --navy: #10242f;
  --navy-2: #173441;
  --paper: #f4f4f0;
  --white: #fff;
  --mist: #e7ebea;
  --slate: #617078;
  --orange: #e75b2b;
  --orange-light: #f26a38;
  --line: rgba(16, 36, 47, 0.16);
  --max: 1180px;
  --shadow: 0 24px 70px rgba(9, 27, 35, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 16px;
  background: var(--white);
  color: var(--ink);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { max-width: 780px; }
.kicker {
  margin: 0 0 18px;
  color: var(--orange);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.2;
  text-transform: uppercase;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  color: #ffe7dd;
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.05; letter-spacing: -0.035em; }
h1 { max-width: 860px; margin-bottom: 28px; font-size: clamp(3rem, 8vw, 6.65rem); font-weight: 780; }
h2 { max-width: 760px; margin-bottom: 26px; font-size: clamp(2.2rem, 5vw, 4.2rem); font-weight: 760; }
h3 { margin-bottom: 14px; font-size: 1.35rem; }
.lede { max-width: 760px; color: #d4dddf; font-size: clamp(1.1rem, 2.1vw, 1.45rem); line-height: 1.5; }
.section-lede { max-width: 760px; color: #52636b; font-size: 1.15rem; }

.site-header {
  position: relative;
  z-index: 20;
  background: var(--navy);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.header-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; flex-direction: column; text-decoration: none; line-height: 1; }
.brand-name { font-size: clamp(1.04rem, 2vw, 1.35rem); font-weight: 840; letter-spacing: 0.075em; }
.brand-line { width: 58px; height: 3px; margin: 9px 0; background: var(--orange); }
.brand-strap { color: #aab8bd; font-size: 0.62rem; letter-spacing: 0.055em; line-height: 1.3; }
.primary-nav { display: flex; align-items: center; gap: 24px; }
.primary-nav a { color: #dfe7e8; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.055em; text-decoration: none; text-transform: uppercase; }
.primary-nav a:hover, .primary-nav a:focus-visible, .primary-nav a[aria-current="page"] { color: var(--orange-light); }
.nav-cta { padding: 11px 16px; border: 1px solid rgba(242,106,56,.75); }
.menu-button { display: none; width: 46px; height: 42px; border: 1px solid rgba(255,255,255,.32); background: transparent; color: white; }
.menu-button span { display: block; width: 20px; height: 2px; margin: 5px auto; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }

.hero, .page-hero {
  position: relative;
  overflow: hidden;
  background:
    repeating-radial-gradient(ellipse at 92% 54%, transparent 0 35px, rgba(255,255,255,.035) 36px 37px, transparent 38px 58px),
    linear-gradient(120deg, var(--ink), var(--navy) 60%, #13333f);
  color: var(--white);
}
.hero::after, .page-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -55%;
  width: 65%;
  height: 85%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231,91,43,.28), rgba(231,91,43,0) 68%);
  pointer-events: none;
}
.hero {
  background-image:
    linear-gradient(90deg, rgba(11, 27, 34, .97) 0%, rgba(11, 27, 34, .88) 42%, rgba(11, 27, 34, .36) 68%, rgba(11, 27, 34, .08) 100%),
    url("../images/responder-01-team-briefing-v2.jpg");
  background-position: center;
  background-size: cover;
}
.hero-inner { position: relative; z-index: 1; padding: clamp(72px, 11vw, 150px) 0 92px; }
.page-hero .hero-inner { padding-block: clamp(64px, 9vw, 112px); }
.page-hero h1 { max-width: 940px; font-size: clamp(3rem, 7vw, 5.8rem); }
.accent { color: var(--orange-light); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 20px;
  border: 1px solid var(--orange);
  background: var(--orange);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.button:hover, .button:focus-visible { background: var(--orange-light); transform: translateY(-2px); }
.button-secondary { background: transparent; border-color: rgba(255,255,255,.45); }
.button-secondary:hover, .button-secondary:focus-visible { background: rgba(255,255,255,.09); }
.hero-boundary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  max-width: 780px;
  margin-top: 70px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.2);
}
.boundary-mark { width: 13px; height: 13px; margin-top: 6px; background: var(--orange); transform: rotate(45deg); }
.hero-boundary strong { display: block; margin-bottom: 4px; font-size: 0.82rem; letter-spacing: .1em; text-transform: uppercase; }
.hero-boundary p { margin: 0; color: #bac7ca; line-height: 1.55; }

.status-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.status-item { padding: 30px 34px; border-right: 1px solid var(--line); }
.status-item:first-child { padding-left: 0; }
.status-item:last-child { border-right: 0; }
.status-label { display: block; margin-bottom: 8px; color: var(--orange); font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.status-value { font-weight: 700; line-height: 1.35; }

.section { padding: clamp(76px, 10vw, 132px) 0; }
.section-white { background: var(--white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark .section-lede, .section-dark .muted { color: #b6c3c7; }
.split { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: clamp(45px, 8vw, 110px); align-items: start; }
.content-stack > * + * { margin-top: 24px; }
.feature-list { display: grid; gap: 1px; margin-top: 42px; background: var(--line); border: 1px solid var(--line); }
.feature-row { display: grid; grid-template-columns: 52px 1fr; gap: 22px; padding: 27px; background: var(--paper); }
.feature-number { color: var(--orange); font-weight: 800; font-size: .78rem; letter-spacing: .1em; }
.feature-row h3 { margin-bottom: 8px; }
.feature-row p { margin: 0; color: #5c696f; }
.rule { width: 76px; height: 4px; margin: 30px 0; background: var(--orange); }

.model-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 56px; }
.model-card { position: relative; min-height: 310px; padding: 32px 28px; background: var(--white); border-top: 4px solid var(--navy); box-shadow: 0 14px 42px rgba(9,27,35,.06); }
.model-card::after { content: ""; position: absolute; right: 0; bottom: 0; width: 40px; height: 3px; background: var(--orange); }
.model-index { display: block; margin-bottom: 70px; color: var(--orange); font-size: .72rem; font-weight: 800; letter-spacing: .15em; }
.model-card p { margin: 0; color: #5a6870; }

.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 58px; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.13); }
.principle { padding: 34px; background: var(--navy); }
.principle h3 { display: flex; align-items: center; gap: 13px; }
.principle h3::before { content: ""; flex: 0 0 auto; width: 9px; height: 9px; background: var(--orange); }
.principle p { margin: 0; color: #b6c3c7; }

.cta-panel { position: relative; overflow: hidden; padding: clamp(42px, 7vw, 82px); background: var(--ink); color: white; box-shadow: var(--shadow); }
.cta-panel::after { content: ""; position: absolute; z-index: 0; right: -80px; bottom: -130px; width: 310px; height: 310px; border: 48px solid rgba(231,91,43,.16); transform: rotate(24deg); pointer-events: none; }
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel h2 { max-width: 820px; }
.cta-panel p { max-width: 700px; color: #bdc7c9; }

.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 54px; }
.audience-card { padding: 34px; background: var(--white); border: 1px solid var(--line); }
.audience-card-wide { grid-column: 1 / -1; display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; }
.audience-tag { color: var(--orange); font-size: .68rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.audience-card p { margin-bottom: 0; color: #5b6970; }

.timeline { margin-top: 54px; border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 170px 1fr; gap: 44px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.timeline-item strong { color: var(--orange); font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; }
.timeline-item p { margin: 0; }

.notice { padding: 30px; border-left: 5px solid var(--orange); background: #fff; box-shadow: 0 12px 35px rgba(9,27,35,.07); }
.notice strong { display: block; margin-bottom: 9px; text-transform: uppercase; letter-spacing: .08em; }
.notice p { margin: 0; color: #596970; }
.checks { display: grid; gap: 16px; margin: 32px 0 0; padding: 0; list-style: none; }
.checks li { position: relative; padding-left: 28px; }
.checks li::before { content: ""; position: absolute; left: 0; top: .55em; width: 9px; height: 9px; border: 2px solid var(--orange); }

.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 54px; }
.contact-card { padding: 38px; background: white; border: 1px solid var(--line); }
.contact-card a { display: inline-block; margin: 16px 0; color: var(--navy); font-size: clamp(1rem, 2.3vw, 1.28rem); font-weight: 800; text-decoration-color: var(--orange); text-underline-offset: 5px; overflow-wrap: anywhere; }
.contact-card p { margin-bottom: 0; color: #5a6870; }

.site-footer { background: #0b1b22; color: white; }
.footer-main { display: grid; grid-template-columns: 1.2fr .8fr .9fr; gap: 50px; padding: 68px 0; }
.footer-brand .brand-strap { display: block; max-width: 330px; margin-top: 16px; font-size: .77rem; line-height: 1.5; }
.footer-heading { margin-bottom: 18px; color: #92a6ad; font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #d8e0e2; text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--orange-light); }
.footer-note { margin: 0; color: #aab9bd; font-size: .9rem; }
.footer-bottom { padding: 22px 0 30px; border-top: 1px solid rgba(255,255,255,.1); color: #8fa2a9; font-size: .77rem; }

@media (max-width: 880px) {
  .menu-button { display: block; }
  .primary-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 18px 20px 26px; background: var(--navy); border-bottom: 1px solid rgba(255,255,255,.15); }
  .primary-nav[data-open] { display: grid; }
  .primary-nav a { padding: 9px 0; }
  .nav-cta { padding-inline: 12px !important; }
  .split { grid-template-columns: 1fr; }
  .model-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 88px; }
  .hero {
    background-image:
      linear-gradient(180deg, rgba(11, 27, 34, .96) 0%, rgba(11, 27, 34, .87) 58%, rgba(11, 27, 34, .56) 100%),
      url("../images/responder-01-team-briefing-v2.jpg");
    background-position: 73% center;
  }
  .brand-strap { max-width: 230px; font-size: .56rem; }
  h1 { font-size: clamp(2.75rem, 14vw, 4.2rem); }
  .page-hero h1 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-boundary { margin-top: 52px; }
  .status-grid, .model-grid, .principles, .audience-grid, .contact-grid, .footer-main { grid-template-columns: 1fr; }
  .status-item { padding: 23px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .status-item:last-child { border-bottom: 0; }
  .model-card { min-height: 0; }
  .model-index { margin-bottom: 44px; }
  .audience-card-wide { grid-column: auto; display: block; }
  .timeline-item { grid-template-columns: 1fr; gap: 10px; }
  .footer-brand { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
