:root {
  --ink: #071221;
  --ink-2: #0d1e32;
  --ink-3: #17304d;
  --paper: #f5f7f9;
  --white: #ffffff;
  --muted: #637386;
  --line: rgba(9, 25, 43, 0.13);
  --aqua: #4cc9f0;
  --mint: #7ae7c7;
  --gold: #e9b949;
  --max: 1180px;
  --radius: 22px;
  --shadow: 0 20px 70px rgba(3, 14, 27, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }

.sr-only {
  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: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section-pad { padding: 112px 0; }
.section-light { background: var(--paper); color: var(--ink); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: linear-gradient(to bottom, rgba(7, 18, 33, 0.94), rgba(7, 18, 33, 0.62), transparent);
  backdrop-filter: blur(16px);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.site-header.scrolled {
  background: rgba(7, 18, 33, 0.94);
  border-color: rgba(255, 255, 255, 0.08);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(122, 231, 199, 0.5);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--mint);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: rgba(122, 231, 199, 0.06);
}
.brand-text { display: grid; line-height: 1.15; }
.brand-text strong { font-size: 0.98rem; }
.brand-text small { color: rgba(255, 255, 255, 0.58); font-size: 0.75rem; margin-top: 4px; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { text-decoration: none; color: rgba(255, 255, 255, 0.72); font-size: 0.92rem; font-weight: 650; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.site-nav .nav-cta {
  padding: 10px 16px;
  border: 1px solid rgba(122, 231, 199, 0.45);
  border-radius: 999px;
  color: var(--mint);
}
.nav-toggle { display: none; background: transparent; border: 0; padding: 8px; }
.nav-toggle span:not(.sr-only) { width: 24px; height: 2px; display: block; background: white; margin: 5px 0; }

.hero {
  min-height: 860px;
  padding-top: 170px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 79% 35%, rgba(76, 201, 240, 0.13), transparent 28%),
    radial-gradient(circle at 65% 52%, rgba(122, 231, 199, 0.09), transparent 33%),
    linear-gradient(145deg, #071221 8%, #0a1829 58%, #071221 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 86%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--mint); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; }
.eyebrow.dark { color: #11715f; }
.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(3.3rem, 7vw, 6.9rem);
  line-height: 0.94;
  letter-spacing: -0.07em;
  text-wrap: balance;
}
.hero-lead { max-width: 680px; margin: 30px 0 0; font-size: clamp(1.08rem, 2vw, 1.35rem); color: rgba(255,255,255,0.69); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.92rem;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--mint); color: var(--ink); }
.button.secondary { border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.04); }
.button.light { background: var(--white); color: var(--ink); }
.proof-line { margin-top: 42px; display: flex; flex-wrap: wrap; gap: 10px 24px; color: rgba(255,255,255,0.55); font-size: 0.83rem; font-weight: 650; }
.proof-line span { position: relative; }
.proof-line span:not(:last-child)::after { content: ""; position: absolute; right: -13px; top: 50%; width: 3px; height: 3px; border-radius: 50%; background: var(--gold); }

.hero-visual { position: relative; min-height: 580px; }
.network { position: absolute; inset: 0; width: 100%; height: 100%; animation: rotateNetwork 38s linear infinite; }
@keyframes rotateNetwork { to { transform: rotate(360deg); } }
.signal-card {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(9, 27, 47, 0.74);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 80px rgba(0,0,0,0.22);
}
.signal-card-main {
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 245px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  padding: 34px;
  border-color: rgba(122, 231, 199, 0.32);
}
.signal-card-main::after { content: ""; position: absolute; inset: 15px; border-radius: inherit; border: 1px solid rgba(76,201,240,0.18); }
.signal-kicker { color: rgba(255,255,255,0.48); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.62rem; }
.signal-card-main strong { font-size: 2.4rem; letter-spacing: -0.05em; color: var(--mint); }
.signal-card-main small { color: rgba(255,255,255,0.58); line-height: 1.35; }
.signal-card-a, .signal-card-b, .signal-card-c, .signal-card-d { padding: 12px 16px; border-radius: 999px; color: rgba(255,255,255,0.73); font-size: 0.78rem; font-weight: 750; }
.signal-card-a { top: 11%; left: 10%; }
.signal-card-b { top: 12%; right: 5%; }
.signal-card-c { right: 2%; bottom: 17%; }
.signal-card-d { left: 4%; bottom: 15%; }

.credibility { background: #0a1728; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.credibility-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.credibility-grid > div { padding: 30px 34px; border-right: 1px solid rgba(255,255,255,0.07); }
.credibility-grid > div:last-child { border-right: 0; }
.credibility-grid strong { display: block; color: var(--white); }
.credibility-grid span { display: block; margin-top: 5px; color: rgba(255,255,255,0.48); font-size: 0.86rem; }

.two-col { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 100px; align-items: start; }
.section-heading h2 { margin: 0; font-size: clamp(2.25rem, 5vw, 4.6rem); line-height: 1.02; letter-spacing: -0.055em; text-wrap: balance; }
.section-heading > p:last-child { margin: 20px auto 0; max-width: 680px; color: rgba(255,255,255,0.58); }
.section-light .section-heading > p:last-child { color: var(--muted); }
.section-heading.centred { text-align: center; max-width: 840px; margin: 0 auto 52px; }
.body-copy { max-width: 710px; }
.body-copy p { margin: 0 0 20px; color: #46586a; font-size: 1.05rem; }
.text-link { display: inline-flex; gap: 7px; align-items: center; margin-top: 8px; color: #0a6d5b; text-decoration: none; font-weight: 800; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.pov-section { background: var(--ink-2); }
.principles-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.principle-card { grid-column: span 2; min-height: 285px; padding: 30px; border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,255,255,0.045), rgba(255,255,255,0.015)); }
.principle-card:nth-child(4) { grid-column: 2 / span 2; }
.principle-card span { color: var(--gold); font-size: 0.72rem; font-weight: 900; letter-spacing: 0.14em; }
.principle-card h3 { margin: 52px 0 12px; font-size: 1.45rem; line-height: 1.15; letter-spacing: -0.025em; }
.principle-card p { margin: 0; color: rgba(255,255,255,0.55); font-size: 0.94rem; }

.framework .section-heading { max-width: 760px; margin-bottom: 54px; }
.stack { display: grid; gap: 10px; }
.stack-row {
  min-height: 92px;
  padding: 20px 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  background: white;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.stack-row:hover { transform: translateX(6px); box-shadow: 0 12px 40px rgba(4,22,39,0.08); }
.stack-row:nth-child(1) { margin-inline: 9%; }
.stack-row:nth-child(2) { margin-inline: 7%; }
.stack-row:nth-child(3) { margin-inline: 5%; }
.stack-row:nth-child(4) { margin-inline: 3%; }
.stack-index { font-size: 0.7rem; color: #0f7e69; font-weight: 900; letter-spacing: 0.12em; }
.stack-row strong { display: block; font-size: 1.08rem; }
.stack-row small { display: block; color: var(--muted); margin-top: 3px; }

.speaking-section { background: #091628; }
.speaking-section .section-heading { max-width: 830px; margin-bottom: 50px; }
.speaking-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.talk-card { border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 30px; background: rgba(255,255,255,0.025); }
.talk-card.feature { grid-row: span 2; padding: 40px; background: linear-gradient(145deg, rgba(122,231,199,0.12), rgba(76,201,240,0.035)); border-color: rgba(122,231,199,0.22); }
.talk-meta { display: flex; gap: 14px; color: var(--mint); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.13em; font-weight: 900; }
.talk-card h3 { margin: 40px 0 12px; font-size: 1.35rem; line-height: 1.15; letter-spacing: -0.025em; }
.talk-card.feature h3 { margin-top: 70px; font-size: clamp(2rem, 4vw, 3.2rem); }
.talk-card p { margin: 0; color: rgba(255,255,255,0.56); }
.talk-card ul { margin: 28px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.talk-card li { color: rgba(255,255,255,0.66); font-size: 0.9rem; }
.talk-card li::before { content: "•"; color: var(--gold); margin-right: 10px; }
.appearance-strip { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 16px 34px; align-items: center; padding: 24px 28px; border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; color: rgba(255,255,255,0.62); }
.appearance-strip span { color: var(--gold); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.13em; font-weight: 900; }
.appearance-strip strong { font-size: 0.9rem; color: rgba(255,255,255,0.76); }

.split-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 50px; }
.split-heading > div { max-width: 800px; }
.insights-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.insight-card { min-height: 330px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: white; text-decoration: none; display: flex; flex-direction: column; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.insight-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.insight-card > span { color: #0e745f; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.13em; font-weight: 900; }
.insight-card h3 { margin: 68px 0 12px; font-size: 1.55rem; line-height: 1.16; letter-spacing: -0.03em; }
.insight-card p { margin: 0; color: var(--muted); }
.insight-card small { margin-top: auto; padding-top: 30px; color: #0e745f; font-weight: 850; }

.quote-section { background: linear-gradient(140deg, #0c1c30, #0b2132); }
.quote-wrap { max-width: 980px; }
blockquote { margin: 0; font-size: clamp(2.3rem, 5.2vw, 5rem); line-height: 1.02; letter-spacing: -0.06em; }
.quote-wrap p { margin: 30px 0 0; color: var(--mint); font-weight: 800; }

.contact-section { background: var(--mint); color: var(--ink); }
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 90px; align-items: end; }
.contact-section .eyebrow { color: #0b5e4f; }
.contact-section h2 { margin: 0; font-size: clamp(2.3rem, 5vw, 4.8rem); line-height: 1.02; letter-spacing: -0.06em; }
.contact-actions p { margin: 0 0 28px; color: rgba(7,18,33,0.68); }

.site-footer { padding: 46px 0; background: #050d17; color: rgba(255,255,255,0.62); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; }
.footer-grid strong { color: white; }
.footer-grid p { margin: 6px 0 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { text-decoration: none; font-size: 0.88rem; }
.footer-links a:hover { color: white; }
.footer-note { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,0.07); padding-top: 22px; font-size: 0.76rem; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .section-pad { padding: 88px 0; }
  .hero { min-height: auto; padding-top: 140px; }
  .hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero-visual { min-height: 520px; max-width: 620px; width: 100%; margin: 0 auto; }
  .two-col, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
  .principle-card, .principle-card:nth-child(4) { grid-column: auto; }
  .principle-card:last-child { grid-column: 1 / -1; }
  .insights-grid { grid-template-columns: 1fr 1fr; }
  .insight-card:last-child { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .site-header { background: rgba(7,18,33,0.95); }
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    inset: 78px 14px auto 14px;
    padding: 18px;
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 16px;
    background: rgba(7,18,33,0.98);
    box-shadow: var(--shadow);
    display: grid;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .site-nav.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav a { padding: 12px; }
  .site-nav .nav-cta { border: 0; padding: 12px; }
  .brand-text small { display: none; }
  .hero h1 { font-size: clamp(3.1rem, 15vw, 5.1rem); }
  .hero-visual { min-height: 430px; }
  .signal-card-main { width: 200px; }
  .signal-card-main strong { font-size: 2rem; }
  .credibility-grid { grid-template-columns: 1fr; }
  .credibility-grid > div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.07); padding-inline: 0; }
  .principles-grid, .speaking-grid, .insights-grid { grid-template-columns: 1fr; }
  .principle-card:last-child, .insight-card:last-child { grid-column: auto; }
  .talk-card.feature { grid-row: auto; }
  .split-heading { align-items: start; flex-direction: column; }
  .stack-row, .stack-row:nth-child(n) { margin-inline: 0; grid-template-columns: 44px 1fr; padding: 18px; }
  .appearance-strip { align-items: start; flex-direction: column; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-note { grid-column: auto; }
}