/* ModelSpin (light) — Ink #f1efe9 · Slate #ffffff · Bone #1a1b20 · Ash #6b6960 · Brass #c99b3f · Ember #a87d2c */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --ink: #f1efe9; --slate: #ffffff; --line: #ddd9cf;
  --bone: #1a1b20; --ash: #6b6960; --brass: #c99b3f; --ember: #a87d2c;
  --brass-ink: #8a6520; /* brass legible as small text on light (4.6:1) */
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --disp: "Fraunces", Georgia, serif;
}
html { scroll-behavior: smooth; scroll-padding-top: 63px; }
body { background: var(--ink); color: var(--bone); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; padding-top: 63px; }
a { color: var(--brass-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--brass-ink); outline-offset: 3px; border-radius: 2px; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* nav */
nav { border-bottom: 1px solid var(--line); position: fixed; top: 0; left: 0; right: 0; background: rgba(241,239,233,0.92); backdrop-filter: blur(8px); z-index: 10; }
.nav-in { display: flex; align-items: center; gap: 26px; height: 62px; }
.mark { font: 600 13px/1 var(--mono); letter-spacing: 0.18em; color: var(--bone); }
.mark b { color: var(--brass); font-weight: 600; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a:not(.btn) { color: var(--ash); font-size: 14px; }
.nav-links a[aria-current] { color: var(--bone); }
.btn { display: inline-block; padding: 11px 22px; border-radius: 4px; font: 600 14px/1 var(--mono); letter-spacing: 0.04em; }
.btn-gold { background: var(--brass); color: #17130a; }
.btn-gold:hover { background: var(--ember); text-decoration: none; }
.btn-ghost { border: 1px solid var(--line); color: var(--bone); }
.btn-ghost:hover { border-color: var(--brass); text-decoration: none; }
.btn-sm { padding: 9px 16px; font-size: 12.5px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding: 88px 0 72px; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: 0.22em; color: var(--brass-ink); margin-bottom: 22px; }
h1 { font: 640 clamp(38px, 5.4vw, 60px)/1.06 var(--disp); letter-spacing: -0.01em; }
h1 em { font-style: italic; color: var(--ember); }
.sub { color: var(--ash); font-size: 18px; margin: 22px 0 32px; max-width: 30em; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.formats { margin-top: 40px; font: 500 12.5px/1 var(--mono); letter-spacing: 0.12em; color: var(--ash); }
.formats b { color: var(--bone); font-weight: 500; }

/* signature: the turntable */
.stage { display: grid; place-items: center; perspective: 900px; min-height: 320px; }
.spinner { position: relative; width: 150px; height: 150px; transform-style: preserve-3d; animation: turn 9s linear infinite; }
.face { position: absolute; inset: 0; border: 1.5px solid var(--brass); background: rgba(201,155,63,0.06); }
.face:nth-child(1) { transform: rotateY(0deg) translateZ(75px); }
.face:nth-child(2) { transform: rotateY(90deg) translateZ(75px); }
.face:nth-child(3) { transform: rotateY(180deg) translateZ(75px); }
.face:nth-child(4) { transform: rotateY(270deg) translateZ(75px); }
.face:nth-child(5) { transform: rotateX(90deg) translateZ(75px); }
.face:nth-child(6) { transform: rotateX(-90deg) translateZ(75px); }
.plinth { width: 230px; height: 34px; border-radius: 50%; background: radial-gradient(ellipse at center, rgba(0,0,0,0.55), transparent 70%); margin-top: 34px; }
.stage-cap { font: 500 11.5px/1 var(--mono); letter-spacing: 0.2em; color: var(--ash); margin-top: 18px; }
@keyframes turn { to { transform: rotateY(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; transform: rotateY(35deg) rotateX(-8deg); } }

/* sections */
section { padding: 64px 0; border-top: 1px solid var(--line); }
h2 { font: 600 clamp(26px, 3.4vw, 34px)/1.2 var(--disp); margin-bottom: 14px; }
.lede { color: var(--ash); max-width: 42em; margin-bottom: 40px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--slate); border: 1px solid var(--line); border-radius: 6px; padding: 26px; }
.card h3 { font: 600 17px/1.3 var(--disp); margin-bottom: 10px; }
.card p { color: var(--ash); font-size: 14.5px; }
.k { font: 600 11px/1 var(--mono); letter-spacing: 0.18em; color: var(--brass-ink); display: block; margin-bottom: 14px; }

/* steps (a real sequence) */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { counter-increment: s; }
.step::before { content: counter(s, decimal-leading-zero); font: 600 13px/1 var(--mono); color: var(--brass-ink); letter-spacing: 0.1em; display: block; margin-bottom: 12px; }
.step h3 { font: 600 17px/1.3 var(--disp); margin-bottom: 8px; }
.step p { color: var(--ash); font-size: 14.5px; }

/* demo slot */
.demo { background: var(--slate); border: 1px solid var(--line); border-radius: 8px; aspect-ratio: 16/9; display: grid; place-items: center; color: var(--ash); font: 500 13px var(--mono); letter-spacing: 0.08em; }

/* pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price { background: var(--slate); border: 1px solid var(--line); border-radius: 8px; padding: 30px 26px; display: flex; flex-direction: column; }
.price.hot { border-color: var(--brass); }
.price .amt { font: 640 40px/1 var(--disp); margin: 14px 0 4px; }
.price .per { color: var(--ash); font-size: 13px; }
.price ul { list-style: none; margin: 22px 0 26px; flex: 1; }
.price li { padding: 7px 0; font-size: 14.5px; color: var(--ash); border-bottom: 1px dashed var(--line); }
.price li b { color: var(--bone); font-weight: 500; }
.price .btn { text-align: center; }

/* faq */
details { border-bottom: 1px solid var(--line); padding: 4px 0; }
summary { cursor: pointer; padding: 16px 0; font: 600 16px/1.4 var(--disp); list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "◆ "; color: var(--brass); font-size: 10px; vertical-align: 2px; }
details p { color: var(--ash); padding: 0 0 18px 20px; max-width: 46em; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 44px 0 60px; margin-top: 64px; color: var(--ash); font-size: 13.5px; }
.foot { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; }
.foot .mark { margin-right: auto; }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 56px; }
  .stage { min-height: 260px; order: -1; }
  .grid3, .steps, .price-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; }
  .nav-links a:not(.btn) { display: none; }
}