/* ===== Silkroad Labs — shared site styles ===== */
@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0b0d0e;
  --bg-2: #101314;
  --surface: #151819;
  --line: rgba(255,255,255,0.07);
  --line-2: rgba(255,255,255,0.13);
  --ink: #e9ece9;
  --muted: #889089;
  --faint: #586059;
  --accent: oklch(0.74 0.09 168);
  --sans: 'Hanken Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-weight: 400; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
::selection { background: var(--accent); color: #0b0d0e; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 40px; }
.wrap-narrow { max-width: 1080px; margin: 0 auto; padding: 0 40px; }
.mono { font-family: var(--mono); }
.tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--muted); }

/* ===== nav ===== */
.snav { position: sticky; top: 0; z-index: 50; background: rgba(11,13,14,0.72); backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.snav.scrolled { border-color: var(--line); }
.snav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 500; letter-spacing: 0.01em; }
.brand .mark { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--accent); }
.snav-links { display: flex; gap: 30px; align-items: center; }
.snav-links a { font-size: 14px; color: var(--muted); transition: color .2s; }
.snav-links a:hover, .snav-links a.current { color: var(--ink); }
.snav-links a.current { position: relative; }

.btn { font-size: 14px; font-weight: 500; padding: 10px 20px; border: 1px solid var(--line-2); border-radius: 100px; transition: all .2s; display: inline-flex; align-items: center; gap: 8px; cursor: pointer; background: none; color: var(--ink); }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-solid { background: var(--accent); color: #0b0d0e; border-color: var(--accent); }
.btn-solid:hover { background: transparent; color: var(--accent); }

/* ===== breadcrumb / page head ===== */
.crumb { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; color: var(--faint); letter-spacing: 0.04em; }
.crumb a:hover { color: var(--accent); }
.crumb .sep { opacity: 0.6; }

.sec-num { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; }
.sec-h { font-size: clamp(30px, 4vw, 48px); font-weight: 300; letter-spacing: -0.02em; margin-top: 16px; line-height: 1.05; }
.sec-h b { font-weight: 600; }
.sec-lead { color: var(--muted); margin-top: 20px; max-width: 56ch; font-size: 17px; }

/* ===== image helper ===== */
.imgfit { position: relative; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.imgfit img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.16,1,.3,1); }

/* ===== footer ===== */
.sfoot { border-top: 1px solid var(--line); padding: 44px 0; margin-top: 40px; }
.sfoot-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 18px; }
.sfoot-links { display: flex; gap: 26px; font-size: 14px; color: var(--muted); }
.sfoot-links a:hover { color: var(--accent); }
.copyright { font-family: var(--mono); font-size: 12px; color: var(--faint); }

/* ===== reveal ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ===== lightbox ===== */
.lb { position: fixed; inset: 0; z-index: 200; background: rgba(7,8,9,0.92); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .25s; }
.lb.open { opacity: 1; visibility: visible; }
.lb-stage { position: relative; max-width: 90vw; max-height: 86vh; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.lb-img { max-width: 90vw; max-height: 78vh; object-fit: contain; border-radius: 8px; border: 1px solid var(--line-2); box-shadow: 0 40px 120px -30px rgba(0,0,0,0.8); opacity: 0; transition: opacity .3s; }
.lb-img.ready { opacity: 1; }
.lb-cap { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.04em; text-align: center; }
.lb-cap b { color: var(--accent); font-weight: 500; }
.lb-count { font-family: var(--mono); font-size: 11px; color: var(--faint); margin-top: 4px; }
.lb-btn { position: fixed; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--line-2); background: rgba(15,18,19,0.7); color: var(--ink); display: grid; place-items: center; cursor: pointer; transition: all .2s; z-index: 210; }
.lb-btn:hover { border-color: var(--accent); color: var(--accent); }
.lb-prev { left: 28px; } .lb-next { right: 28px; }
.lb-close { position: fixed; top: 24px; right: 28px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2); background: rgba(15,18,19,0.7); color: var(--ink); display: grid; place-items: center; cursor: pointer; transition: all .2s; z-index: 210; }
.lb-close:hover { border-color: var(--accent); color: var(--accent); }
.lb-btn svg, .lb-close svg { width: 20px; height: 20px; }
@media (max-width: 760px) {
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
  .lb-btn { width: 44px; height: 44px; }
}

@media (max-width: 900px) {
  .wrap, .wrap-narrow { padding: 0 22px; }
  .snav-links a:not(.snav-cta) { display: none; }
}

/* ===== cookie consent bar ===== */
.cookiebar { position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 300; max-width: 680px; margin: 0 auto; background: rgba(15,18,19,0.97); backdrop-filter: blur(14px); border: 1px solid var(--line-2); border-radius: 14px; padding: 18px 22px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; box-shadow: 0 24px 60px -20px rgba(0,0,0,0.7); }
.cookiebar p { font-size: 13px; color: var(--muted); flex: 1; min-width: 240px; margin: 0; line-height: 1.5; }
.cookiebar a { color: var(--accent); }
.cookiebar a:hover { text-decoration: underline; }
.cb-actions { display: flex; gap: 10px; }
.cookiebar .btn { padding: 8px 18px; font-size: 13px; }
/* default link colors for content pages */
.prose a { color: var(--accent); }
.prose a:hover { text-decoration: underline; }

/* ===== nav dropdowns ===== */
.ndrop { position: relative; }
.ntrig { all: unset; cursor: pointer; font-size: 14px; color: var(--muted); display: inline-flex; align-items: center; gap: 7px; transition: color .2s; font-family: inherit; }
.ndrop:hover .ntrig { color: var(--ink); }
.nchev { width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .25s; }
.ndrop:hover .nchev { transform: translateY(1px) rotate(225deg); }
.nmenu { position: absolute; top: 100%; left: 50%; transform: translate(-50%, 10px); padding-top: 16px; min-width: 230px; opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s; }
.ndrop:hover .nmenu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nmenu-inner { background: rgba(15,18,19,0.97); backdrop-filter: blur(16px); border: 1px solid var(--line-2); border-radius: 14px; padding: 10px; box-shadow: 0 30px 80px -32px rgba(0,0,0,0.7); }
.nmenu-inner a, .nmenu-inner .soon { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 12px; border-radius: 9px; font-size: 14px; color: var(--muted); white-space: nowrap; }
.nmenu-inner a:hover { background: rgba(255,255,255,0.04); color: var(--ink); }
.nmenu-inner .soon { cursor: default; opacity: 0.75; }
.chip { font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--line-2); padding: 2px 8px; border-radius: 100px; }
@media (max-width: 900px) { .snav-links .ndrop { display: none; } }


/* ===== nav mega variants ===== */
.nmenu-wide { min-width: 420px; }
.nmenu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 14px; }
.ncol-title { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); padding: 8px 12px 10px; }
.ntrig-link { font-size: 14px; color: var(--muted); display: inline-flex; align-items: center; gap: 7px; transition: color .2s; }
.ndrop:hover .ntrig-link, .ntrig-link.current { color: var(--ink); }
.nmenu-news { min-width: 520px; left: auto; right: -60px; transform: translateY(10px); }
.ndrop:hover .nmenu-news { transform: translateY(0); }
.nmenu-head { display: flex; align-items: center; justify-content: space-between; padding-right: 12px; }
.nview { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.nview:hover { color: var(--accent); }
.nnews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 2px 4px 4px; }
.nn { display: flex; flex-direction: column; gap: 8px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; padding-bottom: 12px; background: var(--bg-2, #101314); transition: border-color .2s, transform .2s; }
.nn:hover { border-color: var(--line-2); transform: translateY(-2px); }
.nn img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.nnchips { display: flex; gap: 5px; padding: 0 10px; }
.nn .kchip { font-size: 8px; padding: 3px 7px; }
.nnt { font-size: 12.5px; font-weight: 500; line-height: 1.3; padding: 0 10px; color: var(--ink); }
.kchip { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 9px; border: 1px solid var(--line-2); border-radius: 3px; color: var(--ink); }
.kchip.newb { background: var(--accent); border-color: var(--accent); color: #0b0d0e; font-weight: 600; }