/* DropHammer™ — Shared design system
   Used by every page besides index.html (which inlines its own + page-specific styles).
   ───────────────────────────────────────────────────────────────────── */

@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 200 800;
  font-stretch: 75% 100%;
  font-display: swap;
  src: url('../fonts/bricolage-grotesque-var.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter-var.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-var.woff2') format('woff2');
}

/* TOKENS */
:root {
  --steel-0:    #08080A;
  --steel-1:    #0F1012;
  --steel-2:    #16181B;
  --steel-3:    #1E2024;
  --steel-4:    #2A2C32;
  --steel-edge: #3A3D44;
  --steel-hi:   #8B8E96;

  --bone:       #EFE8DC;
  --bone-mute:  #BDB7AB;
  --bone-dim:   rgba(239, 232, 220, 0.6);
  --bone-low:   rgba(239, 232, 220, 0.4);
  --bone-line:  rgba(239, 232, 220, 0.10);
  --bone-line-2:rgba(239, 232, 220, 0.18);

  --copper:     #B25F2A;
  --copper-2:   #C9743A;
  --ember:      #D77835;
  --rust:       #8A4017;
  --copper-deep:#7A3D14;

  --container:  1320px;
  --gutter:     clamp(20px, 4vw, 44px);

  --tx-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --tx-display: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  --tx-body:    "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--steel-1);
  color: var(--bone);
  font-family: var(--tx-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  background-image:
    radial-gradient(60% 40% at 50% -10%, rgba(178,95,42,0.06), transparent 60%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.035 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: 0; color: inherit; }
hr { border: 0; height: 1px; background: var(--bone-line); margin: 24px 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

::selection { background: var(--copper); color: var(--bone); }

/* TYPE primitives */
.eyebrow {
  font-family: var(--tx-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ember);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1.5px;
  background: currentColor;
  flex: none;
}
.display {
  font-family: var(--tx-display);
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 0.94;
  text-wrap: balance;
  font-variation-settings: "opsz" 96;
}
.display em { font-style: normal; color: var(--ember); }
.h1 { font-size: clamp(56px, 8.4vw, 140px); }
.h2 { font-size: clamp(40px, 6vw, 96px); }
.h3 { font-size: clamp(28px, 3.4vw, 48px); }
.lede {
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.5;
  color: var(--bone-dim);
  max-width: 62ch;
  text-wrap: pretty;
  margin: 0;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  font-family: var(--tx-body);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 3px;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
  white-space: nowrap;
  line-height: 1;
}
.btn--copper {
  background: var(--copper);
  color: var(--bone);
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 -1px 0 rgba(0,0,0,0.25) inset;
}
.btn--copper:hover { background: var(--ember); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--bone);
  box-shadow: 0 0 0 1px var(--bone-line-2);
}
.btn--ghost:hover { background: rgba(239,232,220,0.06); }
.btn--lg { padding: 20px 30px; font-size: 15px; }
.btn--full { display: flex; justify-content: center; width: 100%; }
.btn-arrow { width: 14px; height: 14px; }

/* NAV */
.nav {
  --nav-h: 72px;
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(15, 16, 18, 0.78);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease;
}
.nav.is-scrolled { border-bottom-color: var(--bone-line); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.nav__brand img {
  height: calc(var(--nav-h) * 0.85);
  width: auto;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a:not(.btn) {
  font-size: 14px;
  font-weight: 500;
  color: var(--bone-dim);
  transition: color 140ms ease;
}
.nav__links a:not(.btn):hover { color: var(--bone); }
.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.nav__toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--bone);
  position: relative;
}
.nav__toggle span::before, .nav__toggle span::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: var(--bone);
}
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after { top: 7px; }
@media (max-width: 880px) {
  .nav { --nav-h: 60px; }
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--steel-2);
    border-bottom: 1px solid var(--bone-line);
    padding: 8px 0;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }
  .nav__links.is-open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .nav__links li {
    width: 100%;
    padding: 0 var(--gutter);
  }
  .nav__links li a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--bone-line);
  }
  .nav__links li:last-child { padding: 12px var(--gutter); }
  .nav__links li:last-child a { border: 0; }
}

/* PAGE HEAD — for sub-pages */
.page-head {
  padding: clamp(72px, 10vw, 130px) 0 clamp(36px, 5vw, 56px);
  background: var(--steel-0);
  border-bottom: 1px solid var(--bone-line);
  position: relative;
  overflow: hidden;
}
.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 70% at 90% 0%, rgba(215,120,53,0.10), transparent 60%);
  pointer-events: none;
}
.page-head__inner { position: relative; z-index: 1; }
.page-head__bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--bone-line-2);
  border-bottom: 1px dashed var(--bone-line);
  margin-bottom: 40px;
  font-family: var(--tx-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.page-head__bar .code { color: var(--ember); font-weight: 600; }
.page-head__bar .sep { flex: 1; height: 1px; background: var(--bone-line); }
.page-head__bar .rev { color: var(--bone-low); }
.page-head__title {
  margin: 0;
  font-family: var(--tx-display);
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 0.96;
  font-size: clamp(48px, 7vw, 88px);
  text-wrap: balance;
}
.page-head__meta {
  margin: 18px 0 0;
  font-family: var(--tx-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--bone-low);
}

/* PROSE — body content for legal/policy/long-form pages */
.prose {
  padding: clamp(48px, 7vw, 96px) 0 clamp(80px, 10vw, 130px);
  position: relative;
}
.prose__inner {
  max-width: 760px;
}
.prose__intro {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--bone);
  margin: 0 0 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--bone-line);
  text-wrap: pretty;
}
.prose p, .prose li {
  font-size: clamp(15.5px, 1.05vw, 17px);
  line-height: 1.7;
  color: var(--bone-dim);
}
.prose strong { color: var(--bone); font-weight: 600; }
.prose em { color: var(--bone); font-style: italic; }
.prose a {
  color: var(--ember);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 140ms ease;
}
.prose a:hover { color: var(--copper-2); }
.prose h1 {
  font-family: var(--tx-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-size: clamp(36px, 4.4vw, 52px);
  margin: 64px 0 24px;
  color: var(--bone);
}
.prose h2 {
  font-family: var(--tx-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-size: clamp(24px, 2.4vw, 32px);
  margin: 56px 0 18px;
  padding-top: 28px;
  border-top: 1px solid var(--bone-line);
  color: var(--bone);
  text-wrap: balance;
}
.prose h2:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.prose h2::before {
  content: "§ ";
  color: var(--ember);
  font-family: var(--tx-mono);
  font-size: 0.7em;
  font-weight: 500;
  letter-spacing: 0.04em;
  vertical-align: 0.18em;
  margin-right: 4px;
}
.prose h3 {
  font-family: var(--tx-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  font-size: clamp(19px, 1.7vw, 22px);
  margin: 36px 0 12px;
  color: var(--bone);
}
.prose h4 {
  font-family: var(--tx-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember);
  margin: 28px 0 10px;
}
.prose p { margin: 0 0 18px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose ul li, .prose ol li { margin-bottom: 8px; }
.prose ul li::marker { color: var(--copper); }
.prose ol li::marker { color: var(--ember); font-family: var(--tx-mono); font-size: 0.9em; }
.prose blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 2px solid var(--copper);
  background: rgba(178,95,42,0.06);
  font-style: italic;
  color: var(--bone);
}
.prose code, .prose tt, .prose kbd, .prose samp {
  font-family: var(--tx-mono);
  font-size: 0.92em;
  background: var(--steel-2);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ember);
}
.prose pre {
  font-family: var(--tx-mono);
  background: var(--steel-2);
  border: 1px solid var(--bone-line);
  padding: 16px 18px;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 13px;
  color: var(--bone);
  margin: 0 0 24px;
}
.prose pre code { background: 0; padding: 0; color: inherit; }
.prose hr { margin: 36px 0; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.prose table th, .prose table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--bone-line);
  vertical-align: top;
  line-height: 1.5;
}
.prose table th {
  font-family: var(--tx-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember);
  font-weight: 600;
  border-bottom: 1px solid var(--bone-line-2);
  background: var(--steel-0);
}
.prose table td { color: var(--bone-dim); }
.prose table td strong { color: var(--bone); }
.prose__table-wrap { overflow-x: auto; margin: 24px 0; }
.prose__table-wrap table { margin: 0; }

/* Optional TOC sidebar */
.prose-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 1024px) {
  .prose-grid { grid-template-columns: 240px minmax(0, 1fr); gap: 64px; }
}
.toc {
  position: sticky;
  top: 96px;
  align-self: start;
  font-family: var(--tx-mono);
  font-size: 12px;
  line-height: 1.6;
}
.toc__label {
  color: var(--ember);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bone-line-2);
  font-weight: 600;
}
.toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toc__list a {
  color: var(--bone-dim);
  transition: color 140ms ease;
  display: block;
  padding: 2px 0;
}
.toc__list a:hover { color: var(--ember); }

/* FORM (re-used in legal forms / waitlist on subpages if needed) */
.form__input {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  font-size: 15px;
  color: var(--bone);
  background: rgba(239,232,220,0.04);
  border: 1px solid var(--bone-line-2);
  border-radius: 3px;
  transition: border-color 160ms ease, background 160ms ease;
}
.form__input:focus { outline: 0; border-color: var(--copper); background: rgba(239,232,220,0.06); }
.form__input::placeholder { color: var(--bone-low); }
.form__input option { background: var(--steel-2); color: var(--bone); }

/* FOOTER */
.footer {
  background: var(--steel-0);
  color: var(--bone-dim);
  padding: 64px 0 36px;
  border-top: 1px solid var(--bone-line);
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--bone-line);
}
@media (min-width: 800px) {
  .footer__top { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer__brand img.wordmark {
  height: 44px;
  width: auto;
  margin-bottom: 18px;
  display: block;
}
.footer__brand p {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.55;
  max-width: 36ch;
  color: var(--bone-low);
}
.footer__patent {
  margin-top: 12px !important;
  font-family: var(--tx-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ember) !important;
  text-transform: uppercase;
}
.footer__col h5 {
  font-family: var(--tx-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-low);
  margin: 0 0 16px;
  font-weight: 500;
}
.footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__col a {
  font-size: 14px;
  color: var(--bone);
  transition: color 140ms ease;
}
.footer__col a:hover { color: var(--ember); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 28px;
  font-size: 12px;
  color: var(--bone-low);
  font-family: var(--tx-mono);
  letter-spacing: 0.04em;
}
.footer__social { display: flex; gap: 8px; }
.footer__social a {
  width: 34px; height: 34px;
  border-radius: 2px;
  background: rgba(239,232,220,0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bone);
  transition: background 140ms ease, color 140ms ease;
}
.footer__social a:hover { background: var(--copper); color: var(--bone); }

/* Reveal */
.reveal { opacity: 1; transform: none; }
.js-reveal .reveal { opacity: 0; transform: translateY(14px); }
.js-reveal .reveal.is-in {
  opacity: 1;
  transform: none;
  animation: revealIn 600ms cubic-bezier(.2,.6,.2,1) var(--reveal-delay, 0ms) both;
}
@keyframes revealIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .js-reveal .reveal { opacity: 1; transform: none; animation: none; }
}