/* ============================================================
   SideReacts — shared design system
   Dark-first. Brand red accent. Space Mono + DM Sans.
   ============================================================ */

:root {
  /* backgrounds */
  --bg:          #0f0f13;
  --surface:     #17171f;
  --surface-2:   #1e1e28;
  --surface-3:   #25252f;

  /* borders */
  --border:      #2a2a38;
  --border-soft: #21212b;

  /* text */
  --text:        #f0f0f5;
  --text-muted:  #8888aa;
  --text-dim:    #7f7f9f;

  /* accent */
  --accent:      #ff4655;
  --accent-btn:  #e22b3e;
  --accent-2:    #ff7043;
  --accent-soft: rgba(255, 70, 85, 0.12);
  --accent-line: rgba(255, 70, 85, 0.30);

  /* semantic */
  --upvote:      #4caf7d;
  --downvote:    #ff4655;

  /* shadow */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:   0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:   0 24px 70px rgba(0,0,0,0.55);
  --shadow-glow: 0 0 0 1px var(--accent-line), 0 18px 60px rgba(255,70,85,0.18);

  /* type */
  --font-display: "Space Mono", ui-monospace, monospace;
  --font-body:    "DM Sans", system-ui, -apple-system, sans-serif;

  /* layout */
  --maxw: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-full: 999px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0; }

::selection { background: var(--accent); color: #fff; }

/* ---------- accessibility ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 12px;
  z-index: 999;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  transition: top .15s ease;
}
.skip-link:focus {
  top: 12px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
.btn:focus-visible,
.browser-badge:focus-visible,
.wordmark:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- shared layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1.5px;
  background: var(--accent);
  display: inline-block;
}

.muted { color: var(--text-muted); }

/* ---------- wordmark ---------- */
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  font-size: 21px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.wordmark .mark-react { color: var(--accent); }
.wordmark__logo {
  width: 58px; height: 46px;
  display: grid; place-items: center;
  flex: none;
}
.wordmark__logo svg { width: 58px; height: 46px; display: block; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  padding: 12px 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--accent-btn);
  color: #fff;
  box-shadow: 0 8px 26px rgba(255,70,85,0.30);
}
.btn--primary:hover { background: var(--accent); box-shadow: 0 12px 34px rgba(255,70,85,0.42); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--accent-line); background: var(--surface); }

.btn--block { width: 100%; justify-content: center; }
.btn svg { width: 18px; height: 18px; flex: none; }

/* ---------- site header ---------- */
/* reserve space before site.js fills the header, to avoid layout shift */
header[data-site-header] { display: block; min-height: 80px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15,15,19,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 15px 28px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}
.site-nav a {
  font-size: 14.5px;
  color: var(--text-muted);
  font-weight: 500;
  transition: color .15s ease;
}
.site-nav a:hover { color: var(--text); }
/* header CTA button keeps its own colors — must override the nav link rule */
.site-nav a.btn { color: #fff; }
.site-nav a.btn--primary { color: #fff; background: var(--accent-btn); }
.site-nav a.btn--primary:hover { color: #fff; background: var(--accent); }
.site-nav a.btn--ghost { color: var(--text); }
.site-header__cta { margin-left: 6px; }

@media (max-width: 760px) {
  .site-nav a:not(.site-header__cta) { display: none; }
}

/* ---------- browser badges ---------- */
.browsers {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.browser-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  transition: border-color .15s ease, background .15s ease;
}
.browser-badge:hover { border-color: var(--accent-line); }
.browser-badge svg { width: 22px; height: 22px; flex: none; }
.browser-badge small {
  color: var(--text-dim);
  font-size: 11px;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  background: #0c0c10;
  margin-top: 0;
}
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 28px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.site-footer h2 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 16px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.site-footer a { color: var(--text-muted); font-size: 14.5px; transition: color .15s ease; }
.site-footer .wordmark { font-size: 21px; color: var(--text); }
.site-footer a:hover { color: var(--accent); }
.site-footer__brand p { color: var(--text-muted); font-size: 14.5px; margin-top: 16px; max-width: 30ch; }
.site-footer__bar {
  border-top: 1px solid var(--border-soft);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 13px;
}
.site-footer__bar .legal-links { display: flex; gap: 22px; flex-wrap: wrap; }
@media (max-width: 760px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* reveal-on-scroll utility */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,0,0,1), transform .7s cubic-bezier(.2,0,0,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================================
   Legal pages (privacy / terms)
   ============================================================ */
.legal-layout {
  max-width: 1040px;
  margin: 0 auto;
  padding: 48px 28px 90px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.legal-main { min-width: 0; max-width: 680px; }
.legal-toc { position: sticky; top: 92px; padding-top: 16px; }
.legal-hero {
  padding: 16px 0 40px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border-soft);
}
.legal-hero h1 { font-size: clamp(34px, 5vw, 54px); letter-spacing: -0.035em; margin-top: 18px; }
.legal-hero p { color: var(--text-muted); margin-top: 16px; font-size: 18px; max-width: 60ch; }
.legal-meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 22px; font-size: 13.5px; color: var(--text-dim); font-family: var(--font-display); }
.legal-meta b { color: var(--text-muted); font-weight: 400; }
.legal-toc h2 { font-family: var(--font-display); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); margin: 0 0 14px; }
.legal-toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.legal-toc a { display: block; padding: 7px 12px; border-radius: 8px; font-size: 13.5px; color: var(--text-muted); border-left: 2px solid transparent; transition: color .15s, background .15s, border-color .15s; }
.legal-toc a:hover { color: var(--text); background: var(--surface); border-left-color: var(--accent-line); }

.legal-body { font-size: 16px; line-height: 1.7; }
.legal-body h2 { font-family: var(--font-display); font-size: 21px; letter-spacing: -0.01em; margin: 46px 0 14px; padding-top: 6px; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body h3 { font-family: var(--font-body); font-weight: 700; font-size: 16.5px; margin: 26px 0 8px; }
.legal-body p { color: var(--text-muted); margin: 0 0 14px; }
.legal-body ul { color: var(--text-muted); margin: 0 0 16px; padding-left: 22px; display: grid; gap: 8px; }
.legal-body li { padding-left: 4px; }
.legal-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.legal-body a:hover { color: var(--accent-2); }
.legal-body strong { color: var(--text); font-weight: 600; }
.legal-callout { border: 1px solid var(--accent-line); background: var(--accent-soft); border-radius: var(--radius-md); padding: 18px 20px; margin: 0 0 18px; }
.legal-callout p { color: var(--text); margin: 0; font-size: 15px; }
.legal-callout p + p { margin-top: 8px; }
.legal-divider { height: 1px; background: var(--border-soft); border: none; margin: 40px 0; }

@media (max-width: 820px) {
  .legal-layout { grid-template-columns: 1fr; gap: 8px; padding-top: 32px; }
  .legal-toc { display: none; }
  .legal-main { max-width: none; }
  .legal-hero { padding-top: 0; }
}