/* ============================================================
   Backdraft Labs — theme tokens
   One saturated field color, one warm white, one hi-vis accent.
   ============================================================ */
:root {
  --red: #d4180a;          /* engine red: the page field */
  --red-deep: #8e1006;     /* frame / shadow tone */
  --paper: #f7f3ee;        /* warm white: text + cards */
  --paper-80: color-mix(in srgb, var(--paper) 80%, transparent);
  --paper-60: color-mix(in srgb, var(--paper) 60%, transparent);
  --paper-25: color-mix(in srgb, var(--paper) 25%, transparent);
  --paper-15: color-mix(in srgb, var(--paper) 15%, transparent);
  --hivis: #edff45;        /* hi-vis yellow accent */
  --ink: #4a0802;          /* dark text on hi-vis */

  --serif: "Instrument Serif", "Times New Roman", serif;
  --wide: "Archivo", system-ui, sans-serif;
  --mono: "Courier Prime", "Courier New", monospace;

  --gutter: clamp(16px, 4.5vw, 72px);
  --max: 1480px;
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--red); scroll-behavior: smooth; scroll-padding-top: 80px; overflow-x: clip; }
body {
  margin: 0;
  background: var(--red);
  color: var(--paper);
  font-family: var(--wide);
  font-stretch: 100%;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
::selection { background: var(--hivis); color: var(--red); }
em { font-style: italic; color: var(--hivis); }

/* Film grain over everything */
.grain {
  position: fixed; inset: 0; z-index: 200; pointer-events: none;
  background-image: var(--noise); background-size: 205px 205px;
  mix-blend-mode: color-burn; opacity: .22;
}

/* Page sits above the fixed footer; the margin reveals it */
.page { position: relative; z-index: 2; background: var(--red); margin-bottom: 100dvh; box-shadow: 0 30px 60px -20px rgba(60, 4, 0, .6); }

/* ---------- Type primitives ---------- */
.mono { font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; font-size: 13px; }
.badges { align-self: flex-start; display: inline-flex; flex-wrap: wrap; border: 1px solid var(--paper); font-family: var(--wide); font-stretch: 125%; font-weight: 500; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.badges span { padding: 7px 12px; display: inline-flex; align-items: center; gap: 8px; }
.badges span + span { border-left: 1px solid var(--paper); }
.badges-sm { font-size: 10px; }
.badges-sm span { padding: 5px 10px; }
.badge-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--hivis); box-shadow: 0 0 0 0 var(--hivis); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

h2 {
  font-family: var(--serif); font-weight: 400; text-transform: uppercase;
  font-size: clamp(44px, 7vw, 112px); line-height: .9; letter-spacing: .01em;
}
h3 { font-family: var(--serif); font-weight: 400; text-transform: uppercase; letter-spacing: .02em; line-height: .95; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--wide); font-stretch: 125%; font-weight: 600; font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 16px 24px; border: 1px solid var(--paper); cursor: pointer;
  transition: background .2s, color .2s, transform .2s, box-shadow .2s;
}
.btn-solid { background: var(--paper); color: var(--red); box-shadow: 0 4px 14px rgb(0 0 0 / 25%); }
.btn-solid:hover { background: var(--hivis); border-color: var(--hivis); color: var(--ink); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--paper); }
.btn-outline:hover { background: var(--paper-15); }
.btn-sm { padding: 11px 16px; font-size: 11px; }
:focus-visible { outline: 2px solid var(--hivis); outline-offset: 3px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--red) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--paper-15);
}
.nav-inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); height: 68px; display: flex; align-items: center; gap: 32px; }
.brand { font-family: var(--serif); font-size: 26px; text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
.nav-links { display: flex; gap: 30px; margin-left: auto; font-stretch: 125%; font-weight: 500; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.nav-links a { opacity: .75; transition: opacity .15s; }
.nav-links a:hover { opacity: 1; }
.nav-toggle { display: none; background: none; border: 1px solid var(--paper); width: 42px; height: 38px; padding: 0 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 1.5px; background: var(--paper); margin: 6px 0; transition: transform .2s; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: calc(100svh - 68px); display: flex; overflow: hidden; }
.dither-fire {
  position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 55%;
  image-rendering: pixelated; pointer-events: none;
  mask-image: linear-gradient(to top, #000 35%, transparent);
  -webkit-mask-image: linear-gradient(to top, #000 35%, transparent);
}
.hero-inner {
  position: relative; z-index: 1; width: 100%; max-width: var(--max); margin: 0 auto;
  padding: clamp(28px, 5vw, 64px) var(--gutter) clamp(36px, 5vw, 72px);
  display: flex; flex-direction: column;
}
.wordmark { position: relative; margin: auto 0 0; padding-top: clamp(40px, 8vh, 96px); font-family: var(--serif); font-weight: 400; text-transform: uppercase; line-height: .8; letter-spacing: .01em; }
.fit { display: block; white-space: nowrap; font-size: 18vw; -webkit-text-stroke: .06em var(--red); paint-order: stroke fill; }
.fit-sub { text-align: right; color: var(--hivis); margin-top: -.02em; }
.hero-foot { margin-top: clamp(32px, 6vh, 72px); display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(24px, 5vw, 96px); align-items: end; }
.hero-tagline { font-family: var(--serif); text-transform: uppercase; font-size: clamp(34px, 4.2vw, 68px); line-height: .92; letter-spacing: .01em; }
.hero-side p { color: var(--paper-80); max-width: 46ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* ---------- Caution tape ---------- */
.tape { position: relative; z-index: 3; background: var(--hivis); color: var(--ink); transform: rotate(-2deg); margin: 0 -5vw; border-block: 3px solid var(--ink); overflow: hidden; box-shadow: 0 12px 40px -8px rgba(60, 4, 0, .6); }
.tape-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.tape span { font-stretch: 125%; font-weight: 700; font-size: clamp(16px, 2vw, 24px); letter-spacing: .12em; text-transform: uppercase; padding: 14px 28px; white-space: nowrap; display: flex; align-items: center; gap: 56px; }
.tape span::after { content: ""; width: 36px; height: 14px; background: repeating-linear-gradient(-45deg, var(--ink) 0 6px, transparent 6px 12px); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(96px, 12vw, 168px) var(--gutter) 0; }
.section-narrow { max-width: 1040px; }
.section-head { display: grid; gap: 22px; margin-bottom: clamp(40px, 5vw, 72px); justify-items: start; }
.lede { font-size: clamp(17px, 1.4vw, 20px); color: var(--paper-80); max-width: 52ch; }

/* Product cards: paper panels on the red field */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { position: relative; display: flex; flex-direction: column; background: var(--paper); color: var(--red); box-shadow: 0 30px 60px -30px rgba(60, 4, 0, .75); transition: transform .3s; }
.card:hover { transform: translateY(-6px); }
.card-media { position: relative; aspect-ratio: 4 / 3; background: var(--red); overflow: hidden; }
.card-media canvas { width: 100%; height: 100%; display: block; image-rendering: pixelated; }
.card-body { display: flex; flex-direction: column; flex: 1; padding: 26px 26px 28px; }
.card-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 22px; }
.status { font-stretch: 125%; font-weight: 600; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; padding: 4px 8px; border: 1px solid currentColor; }
.status-live { background: var(--red); color: var(--paper); border-color: var(--red); }
.status-beta { background: var(--hivis); color: var(--ink); border-color: var(--ink); }
.status-dev { color: var(--red); }
.card h3 { font-size: clamp(38px, 3.4vw, 54px); }
.card-sub { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; margin: 10px 0 16px; }
.card-body > p:not(.card-sub) { color: #5a1a12; }
.card-list { list-style: none; padding: 0; margin: 20px 0 26px; font-size: 15px; color: #5a1a12; }
.card-list li { padding: 9px 0; border-top: 1px solid color-mix(in srgb, var(--red) 20%, transparent); }
.card-list li::before { content: "→ "; color: var(--red); }
.card-link { margin-top: auto; font-stretch: 125%; font-weight: 600; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.card-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Animated border on hover (Hermes-style arc) */
.arc {
  position: absolute; inset: -3px; z-index: 2; padding: 3px; opacity: 0; pointer-events: none; transition: opacity .2s;
  background: linear-gradient(160deg, transparent 0%, var(--paper) 15%, var(--hivis) 20%, var(--red) 25%, transparent 35% 40%, var(--paper) 55%, var(--hivis) 60%, var(--red) 65%, transparent 75% 80%, var(--paper) 95%, var(--hivis) 100%);
  background-size: 300% 300%;
  animation: arc 2.2s linear infinite paused;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.group:hover > .arc, .group:focus-within > .arc { opacity: 1; animation-play-state: running; }
@keyframes arc { from { background-position: 15% 15%; } to { background-position: 75% 75%; } }

/* Statement with ghost word */
.statement { position: relative; overflow: hidden; padding: clamp(120px, 16vw, 240px) var(--gutter) clamp(40px, 6vw, 80px); max-width: var(--max); margin: 0 auto; }
.statement p { position: relative; font-family: var(--serif); text-transform: uppercase; font-size: clamp(38px, 6.2vw, 100px); line-height: .92; letter-spacing: .01em; max-width: 15ch; }
.ghost {
  position: absolute; left: 50%; top: 55%; transform: translate(-50%, -50%);
  font-family: var(--serif); text-transform: uppercase; white-space: nowrap;
  font-size: 26vw; line-height: .8; color: var(--hivis); opacity: .16; mix-blend-mode: exclusion; pointer-events: none; user-select: none;
}

/* Features grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--paper-25); }
.feature { padding: 34px 28px 40px 0; border-bottom: 1px solid var(--paper-25); display: grid; gap: 14px; align-content: start; }
.feature:not(:nth-child(3n + 1)) { padding-left: 28px; border-left: 1px solid var(--paper-25); }
.feature .mono { color: var(--hivis); }
.feature h3 { font-size: clamp(30px, 2.6vw, 40px); }
.feature p { color: var(--paper-80); font-size: 16px; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { padding: 0 24px 0 0; display: grid; gap: 14px; align-content: start; }
.step + .step { padding-left: 24px; border-left: 1px solid var(--paper-25); }
.step-num { font-family: var(--serif); font-size: clamp(72px, 8vw, 128px); line-height: .8; color: transparent; -webkit-text-stroke: 1px var(--paper); }
.step:hover .step-num { color: var(--hivis); -webkit-text-stroke-color: var(--hivis); }
.step-num { transition: color .25s; }
.step h3 { font-size: clamp(28px, 2.4vw, 38px); margin-top: 8px; }
.step p { color: var(--paper-80); font-size: 16px; }

/* FAQ */
.faq { border-bottom: 1px solid var(--paper-25); }
.faq:first-of-type { border-top: 1px solid var(--paper-25); }
.faq summary {
  list-style: none; cursor: pointer; padding: 26px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  font-family: var(--serif); text-transform: uppercase; font-size: clamp(24px, 2.6vw, 36px); line-height: 1;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--wide); font-weight: 300; font-size: 30px; transition: transform .25s; flex: none; }
.faq[open] summary::after { transform: rotate(45deg); color: var(--hivis); }
.faq summary:hover { color: var(--hivis); }
.faq p { color: var(--paper-80); padding-bottom: 26px; max-width: 64ch; }
#faq { padding-bottom: clamp(96px, 12vw, 168px); }

/* ---------- Footer (fixed, revealed) ---------- */
.footer { position: fixed; inset: 0; z-index: 1; height: 100dvh; overflow: hidden; background: var(--red-deep); }
.footer .dither-fire { height: 45%; }
.footer-inner { position: relative; z-index: 1; height: 100%; max-width: var(--max); margin: 0 auto; padding: clamp(72px, 10vh, 120px) var(--gutter) 0; display: flex; flex-direction: column; }
.footer-cta { display: grid; gap: 20px; justify-items: start; }
.footer-cta h2 { font-size: clamp(40px, 6vw, 96px); max-width: 14ch; }
.footer-cta p { color: var(--paper-80); }
.footer-cta .cta-row { margin-top: 4px; }
.footer-word { position: relative; margin-top: auto; font-family: var(--serif); text-transform: uppercase; line-height: .8; letter-spacing: .01em; pointer-events: none; user-select: none; }
.footer-word .fit { -webkit-text-stroke-color: var(--red-deep); }
.footer-bar { position: relative; background: var(--red-deep); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 20px var(--gutter) 22px; margin: 22px calc(var(--gutter) * -1) 0; border-top: 1px solid var(--paper-25); font-stretch: 125%; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { opacity: .75; }
.footer-links a:hover { opacity: 1; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1060px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .feature:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0; }
  .feature:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--paper-25); }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 56px; }
  .step:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero-foot { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-inner { gap: 12px; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-cta { display: none; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; margin: 0;
    flex-direction: column; gap: 0; padding: 8px var(--gutter) 20px;
    background: var(--red); border-bottom: 1px solid var(--paper-25);
    font-size: 13px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 16px 0; border-bottom: 1px solid var(--paper-15); opacity: 1; }
  .cards, .features, .steps { grid-template-columns: 1fr; }
  .feature, .feature:nth-child(even), .feature:not(:nth-child(3n + 1)) { padding: 28px 0; border-left: 0; }
  .step, .step + .step { padding: 0; border-left: 0; }
  .cta-row .btn { flex: 1 1 auto; }
  .badge-live { display: none !important; }

  /* On phones the footer is a normal block so it never gets cut off */
  .page { margin-bottom: 0; }
  .footer { position: relative; height: auto; }
  .footer-inner { min-height: 92svh; }
  .footer-word { padding-top: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}