:root {
  --manual-50: #fbf8f0;
  --manual-100: #f4efe3;
  --manual-200: #e8dfce;
  --chassis-950: #13120f;
  --chassis-900: #191713;
  --chassis-800: #25221d;
  --chassis-700: #403c34;
  --chassis-500: #746d61;
  --chassis-400: #91897c;
  --chassis-300: #b9b1a3;
  --trace-500: #e48b35;
  --trace-400: #f3a34f;
  --trace-200: #f8d5a7;
  --pcb-600: #2e6d54;
  --pcb-100: #dcece4;
  --border-subtle: rgba(25, 23, 19, 0.12);
  --border-medium: rgba(25, 23, 19, 0.21);
  --border-inverse: rgba(255, 251, 242, 0.16);
  --focus: 0 0 0 3px rgba(228, 139, 53, 0.38);
  --shadow-surface: 0 18px 48px rgba(38, 29, 17, 0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shell: min(1200px, calc(100% - 40px));
  --narrow: min(820px, calc(100% - 40px));
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--chassis-900); background: var(--manual-50); font-family: "Manrope", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
svg { display: block; }
code { font-family: "DM Mono", monospace; font-size: 0.9em; }
[hidden] { display: none !important; }
.shell { width: var(--shell); margin-inline: auto; }
.narrow { width: var(--narrow); }
.section { padding: clamp(84px, 9vw, 132px) 0; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 11px 15px; background: var(--trace-400); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.associate-bar { min-height: 31px; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 6px 20px; color: rgba(255,251,242,0.72); background: var(--chassis-950); font: 9px/1.4 "DM Mono", monospace; letter-spacing: 0.06em; text-align: center; }
.associate-bar a { color: var(--trace-400); border-bottom: 1px solid rgba(243,163,79,0.45); }
.site-header { position: sticky; z-index: 100; top: 0; min-height: 72px; display: flex; align-items: center; justify-content: space-between; padding-inline: max(24px, calc((100vw - 1200px) / 2)); color: var(--chassis-900); background: rgba(251,248,240,0.94); border-bottom: 1px solid var(--border-subtle); backdrop-filter: blur(14px); transition: min-height 180ms ease, box-shadow 180ms ease; }
.site-header.scrolled { min-height: 64px; box-shadow: 0 8px 28px rgba(31,24,15,0.06); }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.brand-mark { width: 37px; height: 37px; color: var(--trace-500); }
.brand-mark svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; }
.brand-mark .mark-bolt { fill: currentColor; stroke: none; }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font: 700 16px/1 "Space Grotesk", sans-serif; letter-spacing: 0.12em; }
.brand-copy small { margin-top: 4px; font: 400 9px/1 "DM Mono", monospace; letter-spacing: 0.32em; opacity: 0.68; }
.primary-nav { display: flex; align-items: center; gap: clamp(22px,2.5vw,38px); font-size: 12px; font-weight: 700; }
.primary-nav > a { position: relative; min-height: 44px; display: inline-flex; align-items: center; }
.primary-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 6px; height: 1px; background: var(--trace-500); transition: right 180ms ease; }
.primary-nav > a:hover::after, .primary-nav > a:focus-visible::after, .primary-nav > a[aria-current="page"]::after { right: 0; }
.primary-nav .nav-cta { min-height: 42px; gap: 16px; padding: 0 17px; border-radius: var(--radius-sm); color: #fffaf1; background: var(--chassis-900); }
.primary-nav .nav-cta:hover { background: var(--chassis-700); }
.primary-nav .nav-cta span { color: var(--trace-400); }
.menu-toggle { display: none; min-width: 48px; min-height: 48px; border: 0; background: transparent; }

.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 0 22px; border: 1px solid transparent; border-radius: var(--radius-sm); font-size: 12px; font-weight: 700; cursor: pointer; transition: transform 170ms var(--ease-out), background 170ms ease, color 170ms ease, border-color 170ms ease; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-amber { color: var(--chassis-950); background: var(--trace-400); }
.button-amber:hover { background: #ffb362; }
.button-dark { color: #fffaf1; background: var(--chassis-900); }
.button-dark:hover { background: var(--chassis-700); }
.button-outline { color: var(--chassis-900); background: transparent; border-color: var(--border-medium); }
.button-outline:hover { border-color: var(--chassis-900); }
.button:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 0; box-shadow: var(--focus); }

.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 10px; color: var(--chassis-500); font: 500 10px/1 "DM Mono", monospace; letter-spacing: 0.14em; text-transform: uppercase; }
.eyebrow > span { width: 27px; height: 1px; background: var(--trace-500); }
.eyebrow-light { color: rgba(255,251,242,0.6); }
.home-hero { position: relative; min-height: clamp(690px, 83vh, 830px); overflow: hidden; display: flex; align-items: center; color: #fffaf1; background: var(--chassis-950); }
.hero-media { position: absolute; inset: 0; background: url("assets/surefire-hero-workbench.webp") center/cover no-repeat; transform: scale(1.015); animation: hero-settle 1.2s var(--ease-out) both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(15,14,12,0.97),rgba(15,14,12,0.78) 41%,rgba(15,14,12,0.14) 73%,rgba(15,14,12,0.32)),linear-gradient(0deg,rgba(13,12,10,0.58),transparent 42%); }
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 { max-width: 800px; margin: 0; font: 600 clamp(57px,7.2vw,99px)/0.89 "Space Grotesk", sans-serif; letter-spacing: -0.06em; }
.hero-copy h1 em { color: var(--trace-400); font-style: normal; }
.hero-copy > p:not(.eyebrow) { max-width: 610px; margin: 30px 0 0; color: rgba(255,251,242,0.72); font-size: clamp(16px,1.6vw,20px); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; }
.text-link-light { padding-bottom: 4px; border-bottom: 1px solid rgba(255,255,255,0.28); color: #fffaf1; font-size: 12px; font-weight: 700; }
.decision-card { position: absolute; z-index: 2; right: max(20px,calc((100vw - 1200px)/2)); bottom: 30px; width: 260px; padding: 20px; border: 1px solid var(--border-inverse); background: rgba(19,18,15,0.78); backdrop-filter: blur(12px); }
.decision-card > p { margin: 0 0 14px; color: rgba(255,251,242,0.45); font: 9px "DM Mono", monospace; letter-spacing: 0.14em; }
.decision-card div { display: flex; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(255,255,255,0.09); }
.decision-card span { color: var(--trace-400); font: 9px "DM Mono", monospace; }
.decision-card strong { font-size: 11px; }
.count-strip { background: var(--trace-400); }
.count-grid { min-height: 84px; display: grid; grid-template-columns: repeat(4,1fr); }
.count-grid div { display: flex; align-items: center; justify-content: center; gap: 10px; border-right: 1px solid rgba(19,18,15,0.22); }
.count-grid div:last-child { border: 0; }
.count-grid strong { font: 600 27px "Space Grotesk", sans-serif; letter-spacing: -0.04em; }
.count-grid span { font-size: 11px; font-weight: 700; }

.section-heading { max-width: 720px; }
.section-heading.split { max-width: none; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(280px,0.7fr); gap: clamp(40px,8vw,126px); align-items: end; }
.section-heading h2, .page-hero h1, .category-hero h1, .legal-page h1 { margin: 0; font: 600 clamp(42px,5.7vw,72px)/0.96 "Space Grotesk", sans-serif; letter-spacing: -0.055em; }
.section-heading.split > p, .section-heading.split > div:last-child > p { margin: 0; color: var(--chassis-500); font-size: 15px; line-height: 1.72; }
.section-link { align-self: end; justify-self: end; padding-bottom: 5px; border-bottom: 1px solid var(--border-medium); font-size: 12px; font-weight: 700; }
.section-link span { color: var(--trace-500); }

.topics { background: var(--manual-100); }
.topic-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; margin-top: 58px; }
.topic-card { min-height: 286px; position: relative; overflow: hidden; padding: 12px 12px 22px; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: rgba(255,255,255,0.25); transition: background 170ms ease, transform 170ms var(--ease-out), border-color 170ms ease; }
.topic-card:hover { transform: translateY(-4px); background: var(--manual-50); border-color: var(--border-medium); }
.topic-index { position: absolute; right: 16px; top: 16px; color: var(--chassis-400); font: 9px "DM Mono", monospace; }
.topic-thumb { width:100%; height:142px; margin-bottom:18px; object-fit:cover; border-radius:9px; filter:saturate(.86) contrast(1.02); }
.topic-signal { height: 58px; display: flex; align-items: end; gap: 4px; margin-bottom: 24px; }
.topic-signal i { width: 5px; height: 24px; background: var(--chassis-300); }
.topic-signal i:nth-child(2) { height: 39px; background: var(--trace-400); }
.topic-signal i:nth-child(3) { height: 15px; background: var(--chassis-700); }
.topic-card > p { margin: 0 10px 6px; color: var(--trace-500); font: 9px "DM Mono", monospace; letter-spacing: 0.12em; }
.topic-card h3 { margin: 0 10px 18px; font: 600 19px/1.12 "Space Grotesk", sans-serif; letter-spacing: -0.03em; }
.topic-card > span:last-child { margin-inline:10px; color: var(--chassis-500); font-size: 10px; font-weight: 700; }

.feature-section { overflow: hidden; color: #fffaf1; background: var(--chassis-900); }
.feature-layout { display: grid; grid-template-columns: minmax(0,0.82fr) minmax(420px,1fr); gap: clamp(50px,9vw,140px); align-items: center; }
.feature-code { display: inline-block; margin-bottom: 22px; padding: 7px 10px; color: var(--trace-400); border: 1px solid rgba(228,139,53,0.42); font: 9px "DM Mono", monospace; }
.feature-story h2 { margin: 0; font: 600 clamp(42px,5vw,68px)/0.98 "Space Grotesk", sans-serif; letter-spacing: -0.05em; }
.feature-story > p:not(.eyebrow) { margin: 25px 0 32px; color: rgba(255,251,242,0.56); font-size: 15px; line-height: 1.72; }
.feature-board { aspect-ratio: 1.2; position: relative; display: grid; place-items: center; border: 1px solid var(--border-inverse); 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: 28px 28px; }
.board-ring { width: 66%; aspect-ratio: 1; position: relative; border: 1px solid rgba(243,163,79,0.5); border-radius: 50%; }
.board-ring::before,.board-ring::after { content:""; position:absolute; inset:18%; border:1px solid rgba(243,163,79,0.25); border-radius:50%; }
.board-ring::after { inset:36%; }
.board-ring span { position: absolute; color: rgba(255,251,242,0.43); font: 8px "DM Mono", monospace; letter-spacing: 0.08em; }
.board-ring span:nth-child(1) { top: -5px; left: 50%; transform: translateX(-50%); }
.board-ring span:nth-child(2) { right: -34px; top: 50%; transform: rotate(90deg); }
.board-ring span:nth-child(3) { bottom: -5px; left: 50%; transform: translateX(-50%); }
.board-core { position: absolute; color: var(--trace-400); font: 600 26px/0.9 "Space Grotesk", sans-serif; text-align: center; }
.trace { position: absolute; height: 1px; background: var(--trace-400); transform-origin: left; }
.trace::after { content:""; position:absolute; right:0; top:-3px; width:7px; height:7px; border-radius:50%; background:var(--trace-400); }
.trace-a { width: 28%; left: 0; top: 29%; transform: rotate(18deg); }.trace-b { width: 25%; right: 0; top: 63%; transform: rotate(188deg); }.trace-c { width: 22%; left: 9%; bottom: 17%; transform: rotate(-22deg); }

.ad-slot { width: min(970px,calc(100% - 40px)); min-height: 132px; margin: 54px auto; display: grid; place-items: center; align-content: center; gap: 6px; color: var(--chassis-400); background: rgba(25,23,19,0.025); border: 1px solid var(--border-subtle); text-align: center; }
.ad-slot > span { font: 8px "DM Mono", monospace; letter-spacing: 0.16em; }
.ad-slot > div { font: 500 16px "Space Grotesk", sans-serif; }
.ad-slot > small { font-size: 9px; }
.prose .ad-slot { width: 100%; min-height: 160px; margin: 50px 0; }

.latest { background: var(--manual-50); }
.story-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 58px; }
.story-card { min-height: 390px; display: flex; flex-direction: column; padding: 19px 19px 25px; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--manual-50); }
.story-image { height:158px; position:relative; overflow:hidden; display:block; border-radius:9px; background:var(--chassis-900); }
.story-image::after { content:""; position:absolute; inset:0; background:linear-gradient(0deg,rgba(19,18,15,.4),transparent 58%); }
.story-image img { width:100%; height:100%; object-fit:cover; filter:saturate(.86) contrast(1.04); transition:transform 420ms var(--ease-out); }
.story-card:hover .story-image img { transform:scale(1.035); }
.story-image span { position:absolute; z-index:1; left:12px; bottom:10px; padding:6px 8px; color:var(--trace-400); background:rgba(19,18,15,.82); border:1px solid rgba(243,163,79,.36); font:9px "DM Mono",monospace; }
.story-code { height: 128px; position: relative; overflow: hidden; display: grid; place-items: center; color: var(--trace-400); background: var(--chassis-900); border-radius: 9px; }
.story-code::before { content:""; position:absolute; inset:0; background-image: linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px); background-size:20px 20px; }
.story-code span { z-index:1; font: 500 20px "DM Mono", monospace; }
.story-code i { position:absolute; width:90px; height:90px; border:1px solid rgba(243,163,79,.35); border-radius:50%; }
.story-code i::after { content:""; position:absolute; inset:27px; border:1px solid rgba(243,163,79,.5); border-radius:50%; }
.story-meta { display: flex; justify-content: space-between; margin: 19px 0 13px; color: var(--chassis-500); font: 9px "DM Mono", monospace; text-transform: uppercase; }
.story-meta a { color: var(--trace-500); }
.story-card h3 { margin: 0 0 11px; font: 600 22px/1.15 "Space Grotesk", sans-serif; letter-spacing: -0.035em; }
.story-card > p { margin: 0 0 20px; color: var(--chassis-500); font-size: 12px; line-height: 1.6; }
.read-link { margin-top: auto; align-self: flex-start; padding-bottom: 4px; border-bottom: 1px solid var(--border-medium); font-size: 11px; font-weight: 700; }
.read-link span { margin-left: 7px; color: var(--trace-500); }

.shelf { background: var(--manual-100); }
.micro-disclosure { margin-top: 11px !important; font: 9px "DM Mono", monospace !important; color: var(--trace-500) !important; }
.compact-product-grid,.product-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 56px; }
.compact-product-grid .product-card:nth-child(n+9) { display:none; }
.product-card { display: flex; flex-direction: column; padding: 15px 15px 23px; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: rgba(255,255,255,0.28); }
.product-photo { height:168px; position:relative; overflow:hidden; border-radius:9px; background:var(--chassis-900); }
.product-photo::after { content:""; position:absolute; inset:0; background:linear-gradient(0deg,rgba(19,18,15,.55),transparent 55%); }
.product-photo img { width:100%; height:100%; object-fit:contain; background:#f8f0e5; filter:saturate(.88) contrast(1.025); transition:transform 420ms var(--ease-out); }
.product-card:hover .product-photo img { transform:scale(1.035); }
.product-photo span { position:absolute; z-index:1; left:10px; bottom:9px; padding:5px 7px; color:var(--trace-400); background:rgba(19,18,15,.8); border:1px solid rgba(243,163,79,.35); font:8px "DM Mono",monospace; }
.product-photo b { position:absolute; z-index:1; right:10px; bottom:10px; color:rgba(255,251,242,.7); font:8px "DM Mono",monospace; }
.product-photo small { position:absolute; z-index:1; top:10px; right:10px; padding:5px 7px; border:1px solid rgba(19,18,15,.16); border-radius:999px; color:var(--chassis-700); background:rgba(255,251,242,.88); font:7px "DM Mono",monospace; letter-spacing:.05em; text-transform:uppercase; }
.product-photo.amazon-synced small { color:#fff8ee; border-color:rgba(243,163,79,.45); background:rgba(19,18,15,.84); }
.product-visual { height: 155px; position: relative; overflow: hidden; display: grid; place-items: center; color: var(--trace-400); background: var(--chassis-900); border-radius: 9px; }
.product-visual::before { content:""; position:absolute; inset:0; background-image: linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px); background-size:18px 18px; }
.product-visual > span { position:relative; z-index:1; width:74px; height:74px; display:grid; place-items:center; border:1px solid rgba(243,163,79,.55); border-radius:13px; font:500 18px "DM Mono",monospace; }
.product-visual > span::after { content:""; position:absolute; inset:11px; border:1px solid rgba(243,163,79,.22); border-radius:8px; }
.product-visual i { position:absolute; height:1px; width:34%; background:rgba(243,163,79,.36); }.product-visual i:nth-of-type(1){left:0;top:40%}.product-visual i:nth-of-type(2){right:0;bottom:34%}
.product-visual b { position:absolute; right:10px; bottom:8px; color:rgba(255,251,242,.3); font:8px "DM Mono",monospace; }
.product-meta { display:flex; justify-content:space-between; margin:18px 0 12px; color:var(--chassis-500); font:8px "DM Mono",monospace; text-transform:uppercase; }
.product-meta a { color:var(--trace-500); }
.product-card h3 { margin:0 0 10px; font:600 18px/1.18 "Space Grotesk",sans-serif; letter-spacing:-.03em; }
.product-card > p { margin:0 0 14px; color:var(--chassis-500); font-size:11px; line-height:1.58; }
.product-specs { list-style:none; margin:0 0 20px; padding:0; display:flex; flex-direction:column; gap:6px; }
.product-specs li { position:relative; padding-left:16px; color:var(--chassis-700); font-size:10.5px; line-height:1.45; }
.product-specs li::before { content:""; position:absolute; left:0; top:6px; width:6px; height:6px; border-radius:2px; background:var(--trace-400); }
.amazon-button { min-height:45px; margin-top:auto; display:flex; align-items:center; justify-content:center; gap:9px; padding:8px 12px; color:var(--chassis-950); background:var(--trace-400); border-radius:var(--radius-sm); font-size:10px; font-weight:700; transition:background 160ms ease,transform 160ms var(--ease-out); }
.amazon-button:hover { background:#ffb362; transform:translateY(-2px); }
.center-button { width:max-content; margin:40px auto 0; display:flex; }

.newsletter { background: var(--manual-100); padding-top: 0; }
.newsletter-card { min-height: 300px; position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr 0.8fr; gap: clamp(40px,8vw,120px); align-items:center; padding:clamp(36px,6vw,72px); color:#fffaf1; background:var(--chassis-900); border-radius:var(--radius-lg); }
.newsletter-card::after { content:""; position:absolute; right:-90px; top:-80px; width:330px; height:330px; border:1px solid rgba(243,163,79,.24); border-radius:50%; box-shadow:0 0 0 50px rgba(243,163,79,.04),0 0 0 100px rgba(243,163,79,.03); }
.newsletter-card > * { position:relative; z-index:1; }
.newsletter-card h2 { margin:0; font:600 clamp(38px,4.7vw,62px)/.98 "Space Grotesk",sans-serif; letter-spacing:-.05em; }
.newsletter-card > div > p:not(.eyebrow) { color:rgba(255,251,242,.56); line-height:1.65; }
.newsletter-card form { display:grid; grid-template-columns:1fr auto; gap:10px; }
.newsletter-card input { min-height:50px; border:1px solid var(--border-inverse); border-radius:var(--radius-sm); padding:0 15px; color:#fffaf1; background:rgba(255,255,255,.055); }
.newsletter-card input::placeholder { color:rgba(255,251,242,.36); }
.newsletter-card small { grid-column:1/-1; color:rgba(255,251,242,.36); font-size:9px; }

.page-hero { padding: clamp(88px,10vw,138px) 0 80px; background:var(--manual-100); border-bottom:1px solid var(--border-subtle); }
.page-hero .shell { position:relative; }
.page-hero h1 em { color:var(--trace-500); font-style:normal; }
.page-hero .shell > p:not(.eyebrow):not(.shop-disclosure) { max-width:670px; margin:28px 0 0; color:var(--chassis-500); font-size:17px; line-height:1.7; }
.shop-disclosure { max-width:760px; margin:30px 0 0; padding:15px 18px; color:var(--chassis-700); background:rgba(228,139,53,.12); border-left:2px solid var(--trace-500); font-size:11px; line-height:1.6; }
.filter-section { padding:58px 0 110px; }
.filter-tools { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:20px; }
.search-box { width:min(520px,100%); min-height:52px; display:flex; align-items:center; gap:12px; padding:0 16px; border:1px solid var(--border-subtle); border-radius:var(--radius-sm); background:var(--manual-100); }
.search-box svg { width:19px; fill:none; stroke:var(--chassis-500); stroke-width:1.6; }
.search-box input { width:100%; border:0; outline:0; color:var(--chassis-900); background:transparent; font-size:13px; }
.result-count { color:var(--chassis-500); font:10px "DM Mono",monospace; white-space:nowrap; }
.filter-chips { display:flex; gap:7px; overflow-x:auto; padding:2px 2px 12px; scrollbar-width:thin; }
.filter-chips button { min-height:42px; flex:none; padding:0 14px; border:1px solid var(--border-subtle); border-radius:999px; color:var(--chassis-500); background:transparent; font-size:10px; font-weight:700; cursor:pointer; }
.filter-chips button.active { color:#fffaf1; background:var(--chassis-900); border-color:var(--chassis-900); }
.archive-grid { margin-top:34px; }
.product-grid { margin-top:34px; }
.load-more { margin:38px auto 0; display:flex; }
.empty-state { min-height:220px; margin-top:32px; display:grid; place-items:center; align-content:center; gap:6px; color:var(--chassis-500); border:1px solid var(--border-subtle); }
.empty-state strong { color:var(--chassis-900); font:600 22px "Space Grotesk",sans-serif; }

.category-hero { padding:clamp(86px,10vw,138px) 0; color:#fffaf1; background:var(--chassis-900); }
.category-hero-grid { display:grid; grid-template-columns:1fr 0.75fr; gap:80px; align-items:center; }
.category-hero h1 { color:#fffaf1; }
.category-hero-grid > div:first-child > p:last-child { max-width:620px; color:rgba(255,251,242,.56); line-height:1.7; }
.category-photo { aspect-ratio:1.5; position:relative; overflow:hidden; border:1px solid var(--border-inverse); }
.category-photo::after { content:""; position:absolute; inset:0; background:linear-gradient(0deg,rgba(19,18,15,.58),transparent 55%); }
.category-photo img { width:100%; height:100%; object-fit:cover; filter:saturate(.84) contrast(1.05); }
.category-photo span { position:absolute; z-index:1; left:14px; bottom:12px; color:rgba(255,251,242,.72); font:8px "DM Mono",monospace; letter-spacing:.1em; }
.category-diagram { aspect-ratio:1.8; position:relative; display:grid; place-items:center; overflow:hidden; border:1px solid var(--border-inverse); background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px); background-size:22px 22px; }
.category-diagram > span { z-index:1; width:96px; height:96px; display:grid; place-items:center; color:var(--trace-400); border:1px solid rgba(243,163,79,.5); border-radius:50%; font:500 20px "DM Mono",monospace; }
.category-diagram i { position:absolute; height:1px; background:var(--trace-400); }.category-diagram i:nth-of-type(1){left:0;top:30%;width:38%}.category-diagram i:nth-of-type(2){right:0;top:64%;width:38%}.category-diagram i:nth-of-type(3){left:32%;bottom:12%;width:35%;transform:rotate(-28deg)}
.category-diagram b { position:absolute; right:12px; bottom:10px; color:rgba(255,251,242,.34); font:8px "DM Mono",monospace; letter-spacing:.12em; }

.article-header { padding:70px 0 58px; background:var(--manual-100); border-bottom:1px solid var(--border-subtle); }
.breadcrumbs { display:flex; flex-wrap:wrap; gap:9px; margin-bottom:46px; color:var(--chassis-500); font:9px "DM Mono",monospace; }
.breadcrumbs a:hover { color:var(--trace-500); }
.article-header h1 { margin:0; font:600 clamp(46px,6.7vw,84px)/.96 "Space Grotesk",sans-serif; letter-spacing:-.055em; }
.article-dek { max-width:730px; margin:26px 0 0; color:var(--chassis-500); font-size:17px; line-height:1.7; }
.article-meta { display:flex; flex-wrap:wrap; gap:18px; margin-top:28px; color:var(--chassis-500); font:9px "DM Mono",monospace; text-transform:uppercase; }
.article-disclosure { margin:30px 0 0; padding:14px 16px; color:var(--chassis-700); background:rgba(228,139,53,.11); border-left:2px solid var(--trace-500); font-size:11px; line-height:1.6; }
.article-cover { margin-top:48px; margin-bottom:0; }
.article-cover img { width:100%; max-height:570px; display:block; object-fit:cover; border-radius:var(--radius-md); filter:saturate(.86) contrast(1.03); }
.article-cover figcaption { margin-top:9px; color:var(--chassis-500); font:8px "DM Mono",monospace; letter-spacing:.08em; text-transform:uppercase; }
.article-layout { display:grid; grid-template-columns:minmax(0,760px) 260px; gap:clamp(60px,8vw,120px); align-items:start; padding-top:64px; padding-bottom:110px; }
.prose { min-width:0; color:var(--chassis-700); font-size:16px; line-height:1.82; }
.prose > p { margin:0 0 24px; }
.prose > h2 { margin:68px 0 25px; color:var(--chassis-900); font:600 clamp(31px,4vw,44px)/1.06 "Space Grotesk",sans-serif; letter-spacing:-.04em; scroll-margin-top:90px; }
.answer-box { margin-bottom:38px; padding:clamp(26px,4vw,42px); color:#fffaf1; background:var(--chassis-900); border-radius:var(--radius-md); }
.answer-box > p { margin:0 0 16px; color:var(--trace-400); font:9px "DM Mono",monospace; letter-spacing:.14em; }
.answer-box h2 { margin:0; font:500 clamp(22px,3vw,31px)/1.38 "Space Grotesk",sans-serif; letter-spacing:-.025em; }
.answer-tags { display:flex; flex-wrap:wrap; gap:7px; margin-top:25px; }
.answer-tags span { padding:7px 9px; color:rgba(255,251,242,.58); border:1px solid var(--border-inverse); border-radius:999px; font-size:9px; }
.prose-block { display:grid; grid-template-columns:48px 1fr; gap:18px; padding:25px 0; border-top:1px solid var(--border-subtle); }
.prose-block:last-of-type { border-bottom:1px solid var(--border-subtle); }
.block-number { color:var(--trace-500); font:10px "DM Mono",monospace; }
.prose-block h3 { margin:0 0 8px; color:var(--chassis-900); font:600 21px "Space Grotesk",sans-serif; letter-spacing:-.025em; }
.prose-block p { margin:0; color:var(--chassis-500); font-size:14px; line-height:1.75; }
.editor-note { margin:45px 0; padding:26px 28px; border-left:2px solid var(--trace-500); background:var(--manual-100); }
.editor-note span { color:var(--trace-500); font:9px "DM Mono",monospace; letter-spacing:.13em; }
.editor-note p { margin:10px 0 0; color:var(--chassis-900); font:600 21px/1.45 "Space Grotesk",sans-serif; }
.method-list { list-style:none; margin:0; padding:0; }
.method-list li { display:grid; grid-template-columns:45px 1fr; gap:17px; padding:22px 0; border-top:1px solid var(--border-subtle); }
.method-list li > span { width:34px; height:34px; display:grid; place-items:center; color:var(--chassis-900); background:var(--trace-400); border-radius:50%; font:9px "DM Mono",monospace; }
.method-list strong { color:var(--chassis-900); font:600 17px "Space Grotesk",sans-serif; }
.method-list p { margin:6px 0 0; color:var(--chassis-500); font-size:13px; line-height:1.65; }
.mistake-list { margin:0; padding:0; list-style:none; }
.mistake-list li { position:relative; padding:16px 0 16px 30px; border-top:1px solid var(--border-subtle); color:var(--chassis-500); font-size:14px; }
.mistake-list li::before { content:"×"; position:absolute; left:2px; top:14px; color:var(--trace-500); font:500 19px "DM Mono",monospace; }
.inline-disclosure { padding:10px 12px; color:var(--chassis-700); background:rgba(228,139,53,.1); font:9px/1.6 "DM Mono",monospace; }
.inline-picks { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:28px 0 50px; }
.inline-picks article { display:flex; flex-direction:column; min-height:260px; padding:20px; border:1px solid var(--border-subtle); border-radius:var(--radius-sm); }
.inline-picks span { color:var(--trace-500); font:8px "DM Mono",monospace; }
.inline-picks h3 { margin:14px 0 10px; color:var(--chassis-900); font:600 17px/1.2 "Space Grotesk",sans-serif; }
.inline-picks p { margin:0 0 18px; color:var(--chassis-500); font-size:11px; line-height:1.55; }
.inline-picks a { margin-top:auto; padding-top:13px; border-top:1px solid var(--border-subtle); color:var(--trace-500); font-size:10px; font-weight:700; }
.faq-list { border-top:1px solid var(--border-subtle); }
.faq-list details { border-bottom:1px solid var(--border-subtle); }
.faq-list summary { min-height:58px; display:flex; align-items:center; justify-content:space-between; gap:20px; color:var(--chassis-900); font-weight:700; cursor:pointer; list-style:none; }
.faq-list summary::after { content:"+"; color:var(--trace-500); font:400 20px "DM Mono",monospace; }
.faq-list details[open] summary::after { content:"−"; }
.faq-list details p { margin:0; padding:0 35px 22px 0; color:var(--chassis-500); font-size:14px; }
.related-guides { margin-top:60px; border-top:1px solid var(--border-medium); }
.related-guides > p { color:var(--trace-500); font:9px "DM Mono",monospace; letter-spacing:.13em; }
.related-guides a { min-height:56px; display:grid; grid-template-columns:58px 1fr auto; gap:12px; align-items:center; border-top:1px solid var(--border-subtle); color:var(--chassis-900); font-size:12px; font-weight:700; }
.related-guides a span { color:var(--chassis-500); font:9px "DM Mono",monospace; }
.related-guides a b { color:var(--trace-500); }
.article-sidebar { position:sticky; top:90px; display:grid; gap:14px; }
.toc,.standards { padding:22px; border:1px solid var(--border-subtle); border-radius:var(--radius-sm); }
.toc > p,.standards > span { margin:0 0 15px; color:var(--trace-500); font:8px "DM Mono",monospace; letter-spacing:.13em; }
.toc a { min-height:38px; display:flex; align-items:center; border-top:1px solid var(--border-subtle); color:var(--chassis-500); font-size:10px; font-weight:700; }
.toc a:hover { color:var(--trace-500); }
.standards { color:#fffaf1; background:var(--chassis-900); border-color:var(--chassis-900); }
.standards strong { display:block; font:600 18px "Space Grotesk",sans-serif; }
.standards p { color:rgba(255,251,242,.48); font-size:10px; line-height:1.6; }
.standards a { color:var(--trace-400); font-size:10px; font-weight:700; }

.legal-page { padding:clamp(90px,10vw,140px) 0; }
.legal-page h1 { margin-bottom:28px; }
.legal-intro { max-width:740px; color:var(--chassis-500); font-size:18px; line-height:1.7; }
.legal-copy { margin-top:58px; padding-top:20px; border-top:1px solid var(--border-medium); color:var(--chassis-700); font-size:15px; line-height:1.8; }
.legal-copy h2 { margin:45px 0 12px; color:var(--chassis-900); font:600 28px "Space Grotesk",sans-serif; letter-spacing:-.035em; }
.legal-copy blockquote { margin:20px 0; padding:22px 25px; color:var(--chassis-900); background:var(--manual-100); border-left:2px solid var(--trace-500); font:600 20px/1.5 "Space Grotesk",sans-serif; }
.legal-copy a { color:var(--trace-500); border-bottom:1px solid var(--trace-200); }

.site-footer { padding:70px 0 26px; color:#fffaf1; background:var(--chassis-950); }
.footer-grid { display:grid; grid-template-columns:1.4fr .7fr .8fr; gap:70px; }
.footer-line { max-width:360px; margin:28px 0 0; color:rgba(255,251,242,.45); font:500 21px/1.45 "Space Grotesk",sans-serif; letter-spacing:-.025em; }
.footer-links { display:flex; flex-direction:column; align-items:flex-start; gap:12px; }
.footer-links p { margin:0 0 7px; color:var(--trace-400); font:8px "DM Mono",monospace; letter-spacing:.13em; }
.footer-links a { color:rgba(255,251,242,.55); font-size:11px; }
.footer-links a:hover { color:var(--trace-400); }
.footer-associate { margin-top:54px; padding:18px 0; color:rgba(255,251,242,.42); border-top:1px solid rgba(255,255,255,.09); border-bottom:1px solid rgba(255,255,255,.09); font-size:9px; line-height:1.6; }
.footer-associate strong { color:var(--trace-400); }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; padding-top:23px; color:rgba(255,251,242,.28); font:8px "DM Mono",monospace; letter-spacing:.07em; }
.toast { position:fixed; z-index:1000; left:50%; bottom:24px; max-width:calc(100% - 28px); padding:12px 17px; color:#fffaf1; background:var(--chassis-900); border-radius:999px; box-shadow:var(--shadow-surface); font-size:11px; transform:translate(-50%,140%); opacity:0; transition:220ms var(--ease-out); }
.toast.visible { transform:translate(-50%,0); opacity:1; }

@keyframes hero-settle { from { opacity:0; transform:scale(1.06); } to { opacity:1; transform:scale(1.015); } }

@media (max-width: 1040px) {
  .topic-grid { grid-template-columns:repeat(3,1fr); }
  .story-grid { grid-template-columns:repeat(2,1fr); }
  .compact-product-grid,.product-grid { grid-template-columns:repeat(3,1fr); }
  .article-layout { grid-template-columns:minmax(0,1fr) 220px; gap:50px; }
  .feature-layout { gap:60px; }
}

@media (max-width: 820px) {
  .menu-toggle { position:relative; z-index:3; display:grid; place-items:center; }
  .menu-toggle span:not(.sr-only) { position:absolute; width:22px; height:1.5px; background:currentColor; transition:transform 180ms ease; }
  .menu-toggle span:nth-child(2){ transform:translateY(-4px); }.menu-toggle span:nth-child(3){ transform:translateY(4px); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2){ transform:rotate(45deg); }.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform:rotate(-45deg); }
  .primary-nav { position:fixed; inset:0; z-index:2; display:flex; flex-direction:column; justify-content:center; align-items:flex-start; gap:0; padding:100px 24px 34px; color:#fffaf1; background:var(--chassis-950); transform:translateY(-105%); visibility:hidden; transition:transform 280ms var(--ease-out),visibility 280ms; }
  .primary-nav.open { transform:translateY(0); visibility:visible; }
  .primary-nav > a { width:100%; min-height:60px; border-bottom:1px solid var(--border-inverse); font:500 clamp(26px,6.5vw,39px) "Space Grotesk",sans-serif; }
  .primary-nav > a:not(.nav-cta)::after { display:none; }
  .primary-nav .nav-cta { width:auto; min-height:48px; margin-top:26px; padding:0 18px; font-size:12px; }
  .feature-layout,.category-hero-grid { grid-template-columns:1fr; }
  .feature-board { max-width:620px; width:100%; }
  .count-grid { grid-template-columns:repeat(2,1fr); padding:10px 0; }
  .count-grid div { min-height:58px; }
  .count-grid div:nth-child(2) { border-right:0; }
  .compact-product-grid,.product-grid { grid-template-columns:repeat(2,1fr); }
  .article-layout { grid-template-columns:1fr; }
  .article-sidebar { position:static; grid-row:1; grid-template-columns:1fr 1fr; }
  .newsletter-card { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .footer-grid > div:first-child { grid-column:1/-1; }
}

@media (max-width: 620px) {
  :root { --shell:min(100% - 28px,1200px); --narrow:min(100% - 28px,820px); }
  .section { padding:76px 0; }
  .associate-bar { min-height:38px; padding-inline:12px; font-size:8px; }
  .site-header { min-height:64px; padding-inline:14px; }
  .brand-copy strong { font-size:14px; }
  .home-hero { min-height:750px; align-items:flex-end; padding-bottom:68px; }
  .hero-media { background-position:65% center; }
  .hero-shade { background:linear-gradient(0deg,rgba(15,14,12,.98) 5%,rgba(15,14,12,.77) 58%,rgba(15,14,12,.24)); }
  .hero-copy h1 { font-size:clamp(50px,15.5vw,70px); }
  .hero-copy > p:not(.eyebrow) { font-size:15px; }
  .hero-actions { flex-direction:column; align-items:flex-start; gap:20px; }
  .hero-actions .button { width:100%; }
  .decision-card { display:none; }
  .count-grid div { flex-direction:column; gap:0; text-align:center; }
  .section-heading.split { grid-template-columns:1fr; gap:24px; align-items:start; }
  .section-link { justify-self:start; }
  .topic-grid { grid-template-columns:repeat(2,1fr); }
  .topic-card { min-height:190px; padding:18px; }
  .topic-card h3 { font-size:17px; }
  .feature-layout { grid-template-columns:1fr; }
  .feature-board { aspect-ratio:1; }
  .story-grid,.compact-product-grid,.product-grid { grid-template-columns:1fr; }
  .story-card { min-height:370px; }
  .product-visual { height:190px; }
  .newsletter-card { padding:38px 24px; }
  .newsletter-card form { grid-template-columns:1fr; }
  .newsletter-card small { grid-column:1; }
  .page-hero { padding:74px 0 60px; }
  .page-hero h1,.category-hero h1,.legal-page h1 { font-size:clamp(42px,13vw,58px); }
  .filter-tools { align-items:flex-start; flex-direction:column; }
  .search-box { width:100%; }
  .category-hero { padding:76px 0; }
  .category-hero-grid { gap:45px; }
  .article-header { padding:58px 0 46px; }
  .breadcrumbs { margin-bottom:34px; }
  .article-header h1 { font-size:clamp(42px,12.5vw,60px); }
  .article-dek { font-size:15px; }
  .article-layout { padding-top:42px; padding-bottom:82px; }
  .prose { font-size:15px; }
  .prose > h2 { margin-top:54px; }
  .answer-tags { flex-direction:column; align-items:flex-start; }
  .inline-picks { grid-template-columns:1fr; }
  .inline-picks article { min-height:0; }
  .article-sidebar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:45px; }
  .footer-grid > div:first-child { grid-column:auto; }
  .footer-bottom { flex-direction:column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}