:root {
  --field: #0b2231;
  --field-deep: #071925;
  --panel: #123447;
  --panel-light: #173e52;
  --line: rgba(137, 177, 198, 0.28);
  --mist: #9eb7c5;
  --paper: #f4f0e8;
  --paper-soft: #e4ddd0;
  --ink: #10212c;
  --lamp: #eda718;
  --clear: #75c9a1;
  --stop: #ef806f;
  --max: 1220px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; background: var(--field-deep); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--field); color: var(--paper); font-family: var(--sans); line-height: 1.6; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--lamp); outline-offset: 4px; }
::selection { background: var(--lamp); color: var(--ink); }

.skip-link { position: fixed; z-index: 100; top: 1rem; left: 1rem; transform: translateY(-160%); background: var(--paper); color: var(--ink); padding: .7rem 1rem; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 20; top: 0; display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 1rem max(1.25rem, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid #c9c1b4; background: color-mix(in srgb, var(--paper) 96%, transparent); color: var(--ink); backdrop-filter: blur(18px); transition: border-color .2s ease, background .2s ease; }
.site-header.scrolled { border-color: #b9b0a1; background: color-mix(in srgb, var(--paper) 98%, transparent); }
.brand img { width: 190px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 2rem; font-size: .85rem; }
.site-nav a { color: #40535f; text-decoration: none; transition: color .2s ease; }
.site-nav a:hover { color: var(--ink); }
.site-nav .nav-cta { padding: .7rem 1rem; border: 1px solid #936302; color: #6d4900; }
.menu-button { display: none; border: 0; background: transparent; color: var(--ink); font: inherit; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(440px, .95fr); align-items: center; gap: clamp(2rem, 7vw, 7rem); max-width: var(--max); min-height: calc(100svh - 78px); margin: 0 auto; padding: clamp(4rem, 9vw, 8rem) 1.5rem; overflow: clip; }
.hero::before { position: absolute; inset: 10% auto auto -28%; width: 48rem; height: 48rem; border-radius: 50%; background: radial-gradient(circle, rgba(237, 167, 24, .09), transparent 64%); content: ""; pointer-events: none; }
.eyebrow { margin: 0 0 1rem; color: var(--lamp); font-family: var(--mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 400; line-height: 1.02; letter-spacing: -.035em; text-wrap: balance; }
h1 { max-width: 790px; font-size: clamp(3.5rem, 6.6vw, 6.7rem); }
h2 { max-width: 820px; font-size: clamp(2.5rem, 5vw, 5.1rem); }
h3 { margin: 0; font-size: 1.05rem; line-height: 1.35; }
p { text-wrap: pretty; }
.hero-lede { max-width: 690px; margin: 2rem 0 0; color: var(--paper-soft); font-size: clamp(1.05rem, 1.8vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.1rem; padding: .8rem 1.15rem; border: 1px solid transparent; font-size: .82rem; font-weight: 700; letter-spacing: .02em; text-decoration: none; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lamp); color: var(--ink); }
.button-primary:hover { background: #f4b735; }
.button-secondary { border-color: var(--line); color: var(--paper); }
.button-secondary:hover { border-color: var(--mist); }
.access-note { margin: 1rem 0 0; color: var(--mist); font-size: .75rem; }

.hero-system { position: relative; aspect-ratio: 1; min-height: 500px; isolation: isolate; }
.hero-system::before { position: absolute; inset: 12%; z-index: -3; border-radius: 50%; background: radial-gradient(circle, rgba(23, 62, 82, .92), rgba(7, 25, 37, .15) 62%, transparent 63%); content: ""; }
.orbit { position: absolute; inset: 15%; z-index: -2; border: 1px solid var(--line); border-radius: 50%; }
.orbit-outer { animation: rotate 32s linear infinite; }
.orbit-outer::before, .orbit-inner::after { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--lamp); box-shadow: 0 0 20px rgba(237, 167, 24, .8); content: ""; }
.orbit-outer::before { top: 9%; right: 19%; }
.orbit-inner { inset: 28%; border-style: dashed; animation: rotate 22s linear infinite reverse; }
.orbit-inner::after { bottom: 0; left: 48%; background: var(--clear); box-shadow: 0 0 20px rgba(117, 201, 161, .75); }
.system-core { position: absolute; inset: 37%; display: flex; flex-direction: column; justify-content: center; padding: 1.25rem; border: 1px solid rgba(237, 167, 24, .55); background: var(--field-deep); text-align: center; box-shadow: 0 30px 80px rgba(0, 0, 0, .32); }
.system-core .core-kicker { color: var(--lamp); font-family: var(--mono); font-size: .58rem; letter-spacing: .14em; }
.system-core strong { margin: .35rem 0; font-family: var(--serif); font-size: clamp(1.1rem, 1.8vw, 1.6rem); font-weight: 400; line-height: 1.05; }
.system-core > span:last-child { color: var(--mist); font-size: .7rem; }
.system-node { position: absolute; display: flex; flex-direction: column; width: 150px; padding: .85rem; border: 1px solid var(--line); background: color-mix(in srgb, var(--panel) 92%, transparent); box-shadow: 0 18px 45px rgba(0, 0, 0, .23); }
.system-node span { color: var(--lamp); font-family: var(--mono); font-size: .62rem; }
.system-node strong { margin-top: .1rem; font-family: var(--serif); font-size: 1.35rem; font-weight: 400; }
.system-node small { color: var(--mist); font-size: .68rem; }
.node-one { top: 5%; left: 35%; }
.node-two { top: 36%; right: 0; }
.node-three { bottom: 4%; left: 37%; }
.node-four { top: 37%; left: 0; }

.signal-strip { display: flex; align-items: center; justify-content: center; gap: clamp(1rem, 4vw, 4rem); min-height: 96px; padding: 1.5rem; border-block: 1px solid var(--line); background: var(--field-deep); color: var(--paper-soft); font-family: var(--serif); font-size: clamp(1rem, 2vw, 1.35rem); }
.signal-strip p { margin: 0; text-align: center; }
.signal-strip span { width: 5px; height: 5px; border-radius: 50%; background: var(--lamp); }

.section { max-width: var(--max); margin: 0 auto; padding: clamp(5.5rem, 10vw, 9rem) 1.5rem; }
.section-heading { display: flex; flex-direction: column; gap: .15rem; margin-bottom: clamp(3rem, 7vw, 5.5rem); }
.problem-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.problem-statement { padding-left: 1.5rem; border-left: 3px solid var(--lamp); color: var(--mist); font-size: 1rem; }
.problem-statement .statement-lead { margin-top: 0; color: var(--paper); font-family: var(--serif); font-size: 2rem; line-height: 1.15; }
.friction-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.friction-list li { display: grid; grid-template-columns: 3.5rem 1fr; gap: 1rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.friction-list li > span { color: var(--lamp); font-family: var(--mono); font-size: .7rem; }
.friction-list strong { font-family: var(--serif); font-size: 1.4rem; font-weight: 400; }
.friction-list p { margin: .25rem 0 0; color: var(--mist); font-size: .88rem; }

.system-section { max-width: none; background: var(--paper); color: var(--ink); }
.system-section > * { max-width: var(--max); margin-inline: auto; }
.system-section .eyebrow { color: #936302; }
.loop { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #b8c4c9; border-left: 1px solid #b8c4c9; }
.loop-step { display: flex; flex-direction: column; min-height: 360px; padding: 1.5rem; border-right: 1px solid #b8c4c9; border-bottom: 1px solid #b8c4c9; }
.loop-number { margin: 0 0 3.5rem; color: #936302; font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.loop-step h3 { font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.loop-step > p:not(.loop-number) { color: #526471; font-size: .9rem; }
.loop-step > span { margin-top: auto; color: #334b59; font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; text-transform: uppercase; }

.film-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(2.5rem, 7vw, 7rem); align-items: center; }
.film-copy > p:not(.eyebrow) { color: var(--mist); }
.film-boundary { margin-top: 2rem; padding: 1rem; border: 1px solid var(--line); }
.film-boundary span { color: var(--clear); font-family: var(--mono); font-size: .65rem; letter-spacing: .12em; }
.film-boundary p { margin: .45rem 0 0; color: var(--paper-soft); font-size: .8rem; }
.film-frame { position: relative; padding: .65rem; border: 1px solid var(--line); background: var(--field-deep); box-shadow: 0 35px 90px rgba(0, 0, 0, .28); }
.film-frame video { width: 100%; background: #000; }
.film-credit { margin: .7rem .25rem .1rem; color: var(--mist); font-size: .65rem; }
.film-credit a { color: var(--paper-soft); }

.roles-section { border-top: 1px solid var(--line); }
.role-map { border-top: 1px solid var(--line); }
.role-row { display: grid; grid-template-columns: minmax(250px, .8fr) minmax(80px, .35fr) minmax(300px, 1fr); align-items: center; gap: 1.5rem; min-height: 126px; border-bottom: 1px solid var(--line); }
.role-row p { margin: 0; }
.role-row p:first-child { display: flex; flex-direction: column; }
.role-row span { color: var(--lamp); font-family: var(--mono); font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; }
.role-row strong { margin-top: .3rem; font-family: var(--serif); font-size: 1.45rem; font-weight: 400; }
.role-line { position: relative; height: 1px; background: var(--line); }
.role-line::after { position: absolute; top: -4px; right: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--lamp); content: ""; }
.role-result { color: var(--mist); font-size: .9rem; }

.principles-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 9vw, 9rem); border-top: 1px solid var(--line); }
.principles-intro { position: sticky; top: 8rem; align-self: start; }
.principles { border-top: 1px solid var(--line); }
.principles article { display: grid; grid-template-columns: 2.5rem 1fr; column-gap: 1rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.principles article > span { grid-row: 1 / 3; color: var(--lamp); font-family: var(--mono); font-size: .65rem; }
.principles article h3 { font-family: var(--serif); font-size: 1.45rem; font-weight: 400; }
.principles article p { margin: .4rem 0 0; color: var(--mist); font-size: .88rem; }

.final-cta { display: flex; align-items: end; justify-content: space-between; gap: 3rem; padding: clamp(5rem, 10vw, 9rem) max(1.5rem, calc((100vw - var(--max)) / 2)); background: var(--lamp); color: var(--ink); }
.final-cta .eyebrow { color: #5f4100; }
.final-cta h2 { max-width: 850px; }
.final-cta p:not(.eyebrow) { max-width: 640px; }
.final-cta .button-primary { flex: 0 0 auto; border-color: var(--ink); background: var(--ink); color: var(--paper); }

.site-footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; max-width: var(--max); margin: 0 auto; padding: 2.5rem 1.5rem; color: var(--mist); font-size: .75rem; }
.footer-brand img { width: 145px; }
.site-footer p { margin: 0; }
.footer-meta { text-align: right; }

.reveal { opacity: 1; transform: none; }
.hero .reveal { animation: enter .7s ease both; }
.hero-system.reveal { animation-delay: .12s; }

@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes enter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .site-header { padding-inline: 1.25rem; }
  .menu-button { display: flex; align-items: center; gap: .75rem; padding: .5rem; cursor: pointer; }
  .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 20px; height: 1px; background: currentColor; content: ""; transition: transform .2s ease; }
  .menu-icon { position: relative; }
  .menu-icon::before { position: absolute; top: -6px; }
  .menu-icon::after { position: absolute; top: 6px; }
  .site-nav { position: absolute; top: 100%; right: 1rem; left: 1rem; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem; border: 1px solid #c9c1b4; background: var(--paper); box-shadow: 0 22px 60px rgba(0, 0, 0, .24); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .9rem 1rem; }
  .site-nav .nav-cta { margin-top: .35rem; text-align: center; }
  .hero { grid-template-columns: minmax(0, 1fr); min-height: auto; }
  .hero-copy { min-width: 0; max-width: 820px; }
  .hero-system { width: min(620px, 100%); margin: 0 auto; }
  .problem-grid, .film-section, .principles-section { grid-template-columns: 1fr; }
  .loop { grid-template-columns: repeat(2, 1fr); }
  .loop-step { min-height: 300px; }
  .principles-intro { position: static; }
  .final-cta { align-items: start; flex-direction: column; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { margin: 0 auto; }
  .footer-meta { text-align: center; }
}

@media (max-width: 680px) {
  .brand img { width: 165px; }
  .hero { padding-top: 4.5rem; }
  h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  h2 { font-size: clamp(2.4rem, 11vw, 3.8rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-system { min-height: 390px; }
  .system-node { width: 118px; padding: .65rem; }
  .system-node strong { font-size: 1.05rem; }
  .system-node small { font-size: .58rem; }
  .system-core { inset: 35%; padding: .5rem; }
  .system-core strong { font-size: .95rem; }
  .system-core > span:last-child { display: none; }
  .node-one { top: 1%; left: 33%; }
  .node-two { top: 35%; right: -2%; }
  .node-three { bottom: 1%; left: 34%; }
  .node-four { top: 35%; left: -2%; }
  .signal-strip { flex-direction: column; gap: .5rem; padding-block: 2rem; }
  .loop { grid-template-columns: 1fr; }
  .loop-step { min-height: 270px; }
  .role-row { grid-template-columns: 1fr; gap: .7rem; padding: 1.4rem 0; }
  .role-line { width: 55%; }
  .role-result { padding-left: 1.5rem; border-left: 1px solid var(--lamp); }
  .final-cta .button { width: 100%; }
}

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