:root {
  --ink: #101411;
  --ink-soft: #18201b;
  --gold: #d4a72c;
  --gold-light: #f1d583;
  --blue: #86a7a0;
  --paper: #f8f7f1;
  --sand: #e9e2d3;
  --line: #d7d4c9;
  --muted: #60665f;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 74px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, Helvetica, sans-serif; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 100; padding: .6rem .85rem; color: #000; background: var(--gold); font-weight: 800; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 50; height: 74px; min-height: 74px; color: #fff; background: rgba(16, 20, 17, .96); border-bottom: 1px solid rgba(212, 167, 44, .28); backdrop-filter: blur(10px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; height: 74px; min-height: 74px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--gold-light); font-size: .86rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; white-space: nowrap; }
.site-header .brand { height: 100%; }
.brand-logo { display: block; width: 160px; height: 100%; max-height: 74px; flex: 0 0 160px; object-fit: contain; }
.site-footer .brand-logo { width: 120px; height: auto; max-height: none; flex: 0 0 auto; }
.brand-mark { display: grid; width: 27px; height: 27px; place-items: center; color: var(--ink); background: var(--gold); font-family: Georgia, serif; font-size: 1rem; font-weight: 800; letter-spacing: 0; transform: rotate(45deg); }
.brand-mark + span { display: inline-block; }
.brand-mark { margin-right: .1rem; }
.brand-mark::first-letter { transform: rotate(-45deg); }
.site-nav { display: flex; align-items: center; gap: 1.55rem; }
.site-nav a { color: #e6e9e2; font-size: .78rem; font-weight: 700; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--gold-light); }
.site-nav .nav-cta { padding: .65rem .85rem; color: var(--ink); background: var(--gold); }
.menu-toggle { display: none; padding: .5rem .75rem; color: var(--gold-light); border: 1px solid var(--gold); background: transparent; cursor: pointer; font-weight: 700; }

.hero { position: relative; display: grid; min-height: min(820px, calc(100svh - 74px)); overflow: hidden; color: #fff; background: var(--ink); isolation: isolate; }
.hero::before { position: absolute; inset: 0; z-index: -3; background: radial-gradient(circle at 78% 23%, rgba(212, 167, 44, .18), transparent 24%), linear-gradient(110deg, rgba(16, 20, 17, .98) 0 48%, rgba(16, 20, 17, .7) 78%, rgba(16, 20, 17, .9)); content: ""; }
.hero-glow { position: absolute; right: -8%; bottom: -35%; z-index: -1; width: 65vw; height: 65vw; border: 1px solid rgba(212,167,44,.28); border-radius: 50%; box-shadow: 0 0 0 36px rgba(212,167,44,.03), 0 0 0 100px rgba(212,167,44,.025); transform: rotate(-18deg); }
.hero-grid { position: absolute; inset: 0; z-index: -2; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg, transparent, #000 52%, #000); }
.hero-layout { display: grid; grid-template-columns: 1fr .92fr; align-items: center; gap: 5.5rem; padding: 5.2rem 0 5rem; }
.hero-copy { max-width: 650px; }
.eyebrow { margin: 0 0 .9rem; color: var(--gold); font-size: .72rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.25rem; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(3.4rem, 7vw, 6.7rem); font-weight: 400; line-height: .95; letter-spacing: -.04em; }
h1 span { color: var(--gold-light); font-family: Arial, Helvetica, sans-serif; font-size: .3em; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; }
.hero-lede { max-width: 590px; margin-bottom: 1.8rem; color: #d8ded6; font-size: clamp(1rem, 1.8vw, 1.18rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .65rem; min-width: 190px; padding: .9rem 1.15rem; border: 1px solid transparent; text-align: center; cursor: pointer; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-gold { color: #101411; background: var(--gold); border-color: var(--gold); }
.button-gold:hover, .button-gold:focus-visible { background: var(--gold-light); border-color: var(--gold-light); }
.button-outline { color: var(--gold-light); background: transparent; border-color: rgba(241,213,131,.55); }
.button-outline:hover, .button-outline:focus-visible { color: var(--ink); background: var(--gold-light); border-color: var(--gold-light); }
.text-link { display: inline-flex; align-items: center; gap: .5rem; color: var(--gold-light); font-size: .78rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.text-link:hover, .text-link:focus-visible { color: #fff; }
.text-link-dark { color: #8e6a14; }
.hero-note { display: flex; align-items: center; gap: .55rem; margin: 2rem 0 0; color: #9ea89d; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 5px rgba(212,167,44,.12); }
.hero-video-wrap { min-width: 0; }
.video-frame { padding: .75rem; background: rgba(255,255,255,.07); border: 1px solid rgba(241,213,131,.43); box-shadow: 0 26px 70px rgba(0,0,0,.35); }
.video-label, .video-caption { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--gold-light); font-size: .66rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.video-label { padding: .25rem .35rem .75rem; }
.video-ratio { position: relative; aspect-ratio: 16 / 9; background: #0a0d0b; }
.video-ratio iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-caption { padding-top: .95rem; color: #bcc5bc; font-size: .67rem; letter-spacing: .06em; }
.video-caption .line { width: 54px; height: 1px; background: var(--gold); }
.scroll-cue { position: absolute; right: 2.2rem; bottom: 1.6rem; display: flex; align-items: center; gap: .7rem; color: #a9b0a5; font-size: .65rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; writing-mode: vertical-rl; }
.scroll-cue span:last-child { color: var(--gold); font-size: 1.1rem; }

.section { padding: 6.6rem 0; }
.section-light { background: var(--paper); }
.section-sand { background: var(--sand); }
.section-dark { color: #fff; background: #121915; }
.section-connect { color: #fff; background: #1d2821; }
.section-heading { max-width: 760px; margin: 0 auto 3.35rem; text-align: center; }
.section-heading h2, .partner-intro h2, .connect-layout h2 { margin-bottom: 1rem; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(2.25rem, 4.8vw, 4.1rem); font-weight: 400; line-height: .99; letter-spacing: -.03em; }
.section-heading h2::after { display: block; width: 56px; height: 3px; margin: 1.1rem auto 0; background: var(--gold); content: ""; }
.section-heading p:not(.eyebrow), .partner-intro > p:not(.eyebrow), .connect-layout p:not(.eyebrow) { color: var(--muted); }
.section-heading-dark p:not(.eyebrow), .connect-layout p:not(.eyebrow) { color: #b8c0b7; }
.challenge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.challenge-card { min-height: 245px; padding: 1.65rem; background: #fff; transition: transform .2s ease, background .2s ease; }
.challenge-card:hover { position: relative; z-index: 1; background: #fffcef; transform: translateY(-5px); }
.card-number { display: inline-block; margin-bottom: 2.7rem; color: var(--gold); font-size: .74rem; font-weight: 800; letter-spacing: .13em; }
.challenge-card h3 { margin-bottom: .7rem; font-family: Georgia, serif; font-size: 1.45rem; font-weight: 400; }
.challenge-card p { margin: 0; color: var(--muted); font-size: .91rem; }
.statement { display: grid; grid-template-columns: auto 1fr; align-items: start; gap: 1rem; max-width: 790px; margin: 4.3rem auto 0; padding: 1.25rem 0 0; border-top: 1px solid var(--gold); }
.statement-mark { margin: -.2rem 0 0; color: var(--gold); font-family: Georgia, serif; font-size: 4rem; line-height: .8; }
.statement p:last-child { margin: 0; color: var(--ink); font-family: Georgia, serif; font-size: clamp(1.55rem, 3vw, 2.2rem); line-height: 1.1; }

.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 1.1rem; }
.flow-step { min-height: 190px; padding: 1.5rem; border-top: 2px solid var(--gold); background: rgba(255,255,255,.06); }
.flow-icon { display: block; margin-bottom: 2.1rem; color: var(--gold); font-family: Georgia, serif; font-size: 1.2rem; }
.flow-step h3 { margin-bottom: .55rem; color: #fff; font-family: Georgia, serif; font-size: 1.45rem; font-weight: 400; }
.flow-step p { margin: 0; color: #b6c0b5; font-size: .88rem; }
.flow-arrow { color: var(--gold); font-size: 1.4rem; }
.model-details { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center; margin-top: 2.6rem; padding: 2rem; border: 1px solid rgba(212,167,44,.35); background: rgba(212,167,44,.08); }
.model-details h3 { margin-bottom: .7rem; color: var(--gold-light); font-family: Georgia, serif; font-size: 1.9rem; font-weight: 400; }
.model-details p:not(.eyebrow) { margin: 0; color: #bdc6bc; }
.model-details ul { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem 1.5rem; margin: 0; padding: 0; list-style: none; }
.model-details li { position: relative; padding-left: 1.15rem; color: #e0e5de; font-size: .86rem; }
.model-details li::before { position: absolute; left: 0; color: var(--gold); content: "◆"; font-size: .55rem; }

.impact-grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 1.15rem; }
.impact-card { min-height: 270px; padding: 1.85rem; background: rgba(255,255,255,.64); border-top: 4px solid var(--gold); }
.impact-card-feature { color: #fff; background: var(--ink); }
.card-kicker { margin-bottom: .75rem; color: #8e6a14; font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.impact-card-feature .card-kicker { color: var(--gold-light); }
.impact-card h3 { margin-bottom: .9rem; font-family: Georgia, serif; font-size: 1.95rem; font-weight: 400; line-height: 1.05; }
.impact-card p:last-child { margin: 0; color: var(--muted); font-size: .9rem; }
.impact-card-feature p:last-child { color: #c6d0c4; }
.impact-ribbon { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 2rem; margin-top: 1.5rem; padding: 1.5rem 1.8rem; border-left: 5px solid var(--gold); background: rgba(255,255,255,.42); }
.ribbon-label { color: #8e6a14; font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.impact-ribbon strong { color: var(--ink); font-family: Georgia, serif; font-size: 1.4rem; font-weight: 400; line-height: 1.2; }

.partner-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 5rem; align-items: start; }
.partner-intro { position: sticky; top: 120px; }
.partner-intro h2 { font-size: clamp(2.25rem, 4.6vw, 3.5rem); }
.partner-intro > p:not(.eyebrow) { max-width: 420px; margin-bottom: 2rem; }
.partner-list { border-top: 1px solid var(--line); }
.partner-row { display: grid; grid-template-columns: 42px 1fr auto; gap: 1rem; align-items: center; padding: 1.45rem 0; border-bottom: 1px solid var(--line); }
.partner-row > span { color: var(--gold); font-size: .72rem; font-weight: 800; letter-spacing: .1em; }
.partner-row strong { font-family: Georgia, serif; font-size: 1.1rem; font-weight: 400; }
.partner-row em { color: var(--muted); font-size: .73rem; font-style: normal; text-align: right; }

.connect-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; align-items: center; }
.connect-layout h2 { font-size: clamp(2.4rem, 5vw, 4.6rem); }
.connect-layout > div > p:last-child { max-width: 600px; font-size: 1.02rem; }
.connect-card { padding: 2rem; border: 1px solid rgba(241,213,131,.38); background: rgba(0,0,0,.16); }
.connect-card .card-kicker { color: var(--gold-light); }
.connect-card > p:nth-child(2) { color: #c9d1c7; }
.connect-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.4rem; }
.connect-actions .button { min-width: 165px; }
.disclaimer { padding: 1.65rem 0; color: #656960; background: #e1dfd5; border-top: 1px solid #d0cdbf; }
.disclaimer p { max-width: 920px; margin: 0 auto; font-size: .77rem; }
.disclaimer strong { color: var(--ink); }

.site-footer { padding: 3.5rem 0 0; color: #bfc9bf; background: #0b0f0c; }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 2rem; padding-bottom: 2.7rem; }
.footer-inner p { color: #879288; font-size: .82rem; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem 1.5rem; align-content: start; }
.footer-links a, .footer-source a { color: #cbd4ca; font-size: .83rem; }
.footer-links a:hover, .footer-source a:hover { color: var(--gold-light); }
.footer-source p { margin-bottom: .6rem; color: var(--gold); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.copyright { display: flex; justify-content: space-between; gap: 1rem; padding: 1.35rem 0; border-top: 1px solid #273028; color: #707a70; font-size: .72rem; }
.copyright span:last-child { color: var(--gold); }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }

@media (max-width: 980px) {
  .hero-layout { gap: 3rem; }
  .challenge-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow-arrow { display: none; }
  .impact-grid { grid-template-columns: 1fr 1fr; }
  .impact-card-feature { grid-column: 1 / -1; min-height: auto; }
  .partner-layout { gap: 3rem; }
}
@media (max-width: 760px) {
  .container { width: min(var(--max), calc(100% - 30px)); }
  .site-header, .header-inner { height: 64px; min-height: 64px; }
  .brand-logo { max-height: 64px; }
  .brand { font-size: .76rem; }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: 64px; right: 0; left: 0; display: none; padding: 1rem 1.25rem 1.25rem; background: #101411; border-top: 1px solid #303830; }
  .site-nav.is-open { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem 1rem; }
  .site-nav .nav-cta { grid-column: 1 / -1; text-align: center; }
  .hero { min-height: auto; }
  .hero-layout { grid-template-columns: 1fr; gap: 3rem; padding: 4.5rem 0 4rem; }
  h1 { font-size: clamp(3.45rem, 15vw, 5.3rem); }
  .hero-video-wrap { max-width: 620px; }
  .scroll-cue { display: none; }
  .section { padding: 4.8rem 0; }
  .challenge-grid, .impact-grid, .partner-layout, .connect-layout { grid-template-columns: 1fr; }
  .challenge-card { min-height: auto; }
  .card-number { margin-bottom: 1.5rem; }
  .statement { margin-top: 3rem; }
  .model-details { grid-template-columns: 1fr; gap: 1.7rem; }
  .flow { grid-template-columns: 1fr; }
  .flow-step { min-height: auto; }
  .flow-icon { margin-bottom: 1.2rem; }
  .impact-card-feature { grid-column: auto; }
  .impact-card { min-height: auto; }
  .impact-ribbon { grid-template-columns: 1fr; gap: .75rem; }
  .partner-intro { position: static; }
  .partner-row { grid-template-columns: 32px 1fr; }
  .partner-row em { grid-column: 2; text-align: left; }
  .connect-layout { gap: 2rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .copyright { display: grid; gap: .4rem; }
}