:root {
  color-scheme: dark;
  --ink: #f8f4e8;
  --muted: #a9aec2;
  --navy: #070a1d;
  --navy-soft: #0d1230;
  --gold: #f1c75b;
  --gold-soft: #b78a2c;
  --cyan: #22c7e8;
  --line: rgba(241, 199, 91, .22);
  --serif: "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--navy); }
body { margin: 0; color: var(--ink); background: var(--navy); font-family: var(--sans); line-height: 1.55; overflow-x: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

.skip-link { position: fixed; z-index: 20; top: 12px; left: 12px; width: 1px; height: 1px; padding: 0; overflow: hidden; color: var(--navy); background: white; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { width: auto; height: auto; padding: 10px 16px; overflow: visible; clip-path: none; }

.site-header { position: absolute; z-index: 10; inset: 0 0 auto; height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(20px, 5vw, 76px); border-bottom: 1px solid rgba(255,255,255,.1); }
.brand { display: flex; gap: 11px; align-items: center; text-decoration: none; letter-spacing: .04em; font-family: var(--serif); font-size: 17px; }
.brand img { border-radius: 8px; }
.brand b { color: var(--gold); font-weight: 500; }
nav { display: flex; gap: clamp(18px, 3vw, 44px); }
nav a { color: #d7d9e4; text-decoration: none; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
nav a:hover { color: var(--gold); }

.hero { position: relative; min-height: 100svh; display: grid; grid-template-columns: minmax(0, .95fr) minmax(360px, 1.05fr); align-items: center; padding: 116px clamp(24px, 7vw, 112px) 104px; isolation: isolate; overflow: hidden; background: radial-gradient(circle at 78% 42%, rgba(18, 81, 126, .34), transparent 32%), radial-gradient(circle at 18% 62%, rgba(120, 71, 12, .15), transparent 31%), #070a1d; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .28; background-image: radial-gradient(circle, rgba(255,255,255,.65) 0 1px, transparent 1.4px); background-size: 71px 71px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.hero-copy { position: relative; z-index: 2; max-width: 690px; }
.eyebrow { margin: 0 0 18px; color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -.035em; }
h1 { margin: 0; font-size: clamp(58px, 8vw, 122px); line-height: .86; text-shadow: 0 0 40px rgba(34,199,232,.08); }
.hero-line { margin: 30px 0 18px; color: var(--gold); font-family: var(--serif); font-size: clamp(27px, 3.2vw, 48px); line-height: 1.08; }
.hero-summary { max-width: 600px; color: #c6c9d8; font-size: clamp(16px, 1.25vw, 20px); }
.hero-actions { display: flex; gap: 28px; align-items: center; margin-top: 34px; }
.button { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 52px; padding: 0 24px; border: 1px solid var(--gold); color: var(--ink); background: transparent; font: 700 13px/1 var(--sans); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; cursor: pointer; overflow: hidden; transition: color .2s ease, background .2s ease, transform .2s ease; }
.button::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 25%, rgba(255,255,255,.22), transparent 67%); transform: translateX(-130%); transition: transform .45s ease; }
.button:hover::after { transform: translateX(130%); }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #0a0d20; background: var(--gold); }
.text-link { color: #d8dbe8; text-underline-offset: 6px; }
.text-link:hover { color: var(--cyan); }

.hero-art { position: relative; display: grid; place-items: center; min-height: min(70vw, 720px); }
.hero-art img { width: min(41vw, 610px); mix-blend-mode: screen; filter: drop-shadow(0 30px 55px rgba(0,0,0,.5)); animation: hover-sigil 6s ease-in-out infinite; }
.sigil-ring { position: absolute; width: min(39vw, 570px); aspect-ratio: 1; border: 1px solid rgba(241,199,91,.22); border-radius: 50%; box-shadow: 0 0 0 42px rgba(34,199,232,.025), 0 0 100px rgba(34,199,232,.12); animation: breathe-ring 4s ease-in-out infinite; }
.hero-proof { position: absolute; inset: auto clamp(24px, 7vw, 112px) 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.hero-proof span { padding: 23px 0; color: var(--muted); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.hero-proof b { margin-right: 8px; color: var(--gold); font-size: 16px; }

.hero-enter { opacity: 0; transform: translateY(22px); animation: enter .75s cubic-bezier(.2,.8,.2,1) forwards; }
.hero-enter:nth-child(2) { animation-delay: .08s; }
.hero-enter:nth-child(3) { animation-delay: .16s; }
.hero-enter:nth-child(4) { animation-delay: .24s; }
.hero-enter:nth-child(5) { animation-delay: .32s; }

.section { padding: clamp(92px, 11vw, 170px) clamp(24px, 8vw, 132px); }
.section-heading { max-width: 860px; margin-bottom: clamp(56px, 7vw, 96px); }
.section-heading h2, .final-cta h2 { margin: 0 0 20px; font-size: clamp(43px, 6vw, 82px); line-height: .98; }
.section-heading > p:last-child { max-width: 670px; color: var(--muted); font-size: 18px; }

.downloads { background: #090d25; }
.release { display: grid; grid-template-columns: 100px minmax(0, 1fr) minmax(300px, .55fr); gap: clamp(24px, 5vw, 76px); align-items: center; padding: 68px 0; border-top: 1px solid var(--line); }
.release:last-of-type { border-bottom: 1px solid var(--line); }
.release-number { align-self: start; color: rgba(241,199,91,.28); font-family: var(--serif); font-size: 64px; line-height: 1; }
.release-kicker { margin: 0 0 8px; color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.release h3 { margin: 0 0 17px; font-size: clamp(34px, 4vw, 58px); line-height: 1; }
.release-copy > p:not(.release-kicker) { max-width: 680px; color: #c7cad8; font-size: 17px; }
.release ul { display: grid; gap: 7px; margin: 24px 0 0; padding: 0; color: var(--muted); list-style: none; }
.release li::before { content: "✦"; margin-right: 10px; color: var(--gold); }
.release-action { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
.file-size, .download-state { color: var(--muted); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.button-download { width: 100%; justify-content: space-between; }
.button-download:disabled { cursor: wait; opacity: .72; transform: none; }
.download-state { min-height: 19px; text-align: right; }
.progress { height: 2px; overflow: hidden; background: rgba(255,255,255,.1); }
.progress span { display: block; width: 0; height: 100%; background: var(--cyan); transition: width .18s ease; }
.assembly-note { max-width: 820px; margin: 30px 0 0 100px; color: #858ba3; font-size: 13px; }

.difference { background: #060817; }
.difference-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.difference-grid p { margin: 0; padding: clamp(30px, 4vw, 58px); color: #bac0d1; background: #080b1f; font-size: 17px; }
.difference-grid span { display: block; margin-bottom: 18px; color: var(--gold); font: 500 31px/1 var(--serif); }

.pipeline { background: #0b1029; }
.pipeline ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.pipeline li { display: grid; grid-template-columns: 120px 1fr; gap: 30px; align-items: center; padding: 37px 0; border-bottom: 1px solid var(--line); }
.pipeline li > b { color: rgba(34,199,232,.5); font: 500 43px/1 var(--serif); }
.pipeline li span { display: grid; grid-template-columns: minmax(180px, .45fr) 1fr; gap: 30px; align-items: baseline; color: var(--muted); font-size: 17px; }
.pipeline li strong { color: var(--ink); font: 500 clamp(25px, 3vw, 40px)/1 var(--serif); }

.integrity { background: #070a1d; }
.integrity dl { margin: 0; border-top: 1px solid var(--line); }
.integrity dl div { display: grid; grid-template-columns: 210px 1fr; gap: 30px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.integrity dt { color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.integrity dd { min-width: 0; margin: 0; }
.integrity code { color: #cdd2e3; font-size: 13px; word-break: break-all; }

.final-cta { display: flex; min-height: 78svh; padding: 100px 24px; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: radial-gradient(circle at 50% 40%, rgba(34,199,232,.16), transparent 26%), #050715; }
.final-cta img { margin-bottom: 26px; filter: drop-shadow(0 16px 32px rgba(0,0,0,.45)); }
.final-cta h2 { max-width: 850px; }
.final-cta .button { margin-top: 22px; }
footer { display: flex; justify-content: space-between; gap: 30px; padding: 34px clamp(24px, 8vw, 132px); border-top: 1px solid var(--line); color: #82889e; background: #050715; font-size: 12px; }
footer p { margin: 0; }
footer a { color: #bec4d6; text-underline-offset: 4px; }

@keyframes enter { to { opacity: 1; transform: none; } }
@keyframes hover-sigil { 0%,100% { transform: translateY(0) rotate(-.5deg); } 50% { transform: translateY(-13px) rotate(.5deg); } }
@keyframes breathe-ring { 0%,100% { opacity: .45; transform: scale(.98); } 50% { opacity: 1; transform: scale(1.02); } }

@media (max-width: 900px) {
  .site-header nav a:not(:first-child) { display: none; }
  .hero { grid-template-columns: 1fr; align-content: center; padding-top: 105px; text-align: center; }
  .hero-copy { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .hero-art { position: absolute; inset: 16% -32% auto 38%; z-index: -1; opacity: .18; }
  .hero-art img { width: 90vw; }
  .sigil-ring { width: 85vw; }
  .release { grid-template-columns: 70px 1fr; }
  .release-action { grid-column: 2; }
  .assembly-note { margin-left: 70px; }
  .difference-grid { grid-template-columns: 1fr; }
  .pipeline li span { grid-template-columns: 1fr; gap: 8px; }
  footer { flex-direction: column; }
}

@media (max-width: 560px) {
  .site-header { height: 66px; }
  .brand { font-size: 14px; }
  nav { display: none; }
  .hero { min-height: 100svh; padding: 96px 20px 110px; }
  h1 { font-size: clamp(53px, 18vw, 76px); }
  .hero-line { font-size: 29px; }
  .hero-summary { font-size: 15px; }
  .hero-actions { flex-direction: column; gap: 18px; }
  .hero-proof { grid-template-columns: 1fr; text-align: left; }
  .hero-proof span { display: none; }
  .hero-proof span:first-child { display: block; text-align: center; }
  .section { padding-inline: 20px; }
  .release { grid-template-columns: 1fr; gap: 20px; padding: 52px 0; }
  .release-number { font-size: 44px; }
  .release-action { grid-column: auto; }
  .assembly-note { margin-left: 0; }
  .pipeline li { grid-template-columns: 54px 1fr; gap: 14px; }
  .pipeline li > b { font-size: 29px; }
  .integrity dl div { grid-template-columns: 1fr; gap: 9px; }
}

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