/* ===========================================================
   Raid11 landing page styles
   Brand: black & red. Dark, technical, bold (xbow-inspired).
   =========================================================== */

:root {
  --bg:        #0a0a0b;
  --bg-2:      #0f0f11;
  --bg-3:      #141417;
  --surface:   #111114;
  --red:       #ff2b2b;
  --red-600:   #e10600;
  --red-700:   #b80000;
  --red-glow:  rgba(255, 43, 43, 0.35);
  --text:      #f6f6f8;
  --muted:     #9a9aa4;
  --muted-2:   #70707a;
  --border:    rgba(255, 255, 255, 0.09);
  --border-2:  rgba(255, 255, 255, 0.14);

  --maxw: 1160px;
  --radius: 14px;
  --nav-h: 68px;

  /* Motion: one vocabulary of easings so everything decelerates alike */
  --ease:      cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-back: cubic-bezier(0.34, 1.4, 0.64, 1);
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "Space Grotesk", var(--font-sans);
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--font-head); line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

/* ---------- Shared type ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--red);
  margin-bottom: 18px;
}
.accent { color: var(--red); }

.section { padding: 112px 0; position: relative; }
.section--alt { background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 10%, var(--bg-2) 90%, var(--bg) 100%); }
.section__title { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; max-width: 18ch; }
.section__lead { color: var(--muted); font-size: 1.1rem; max-width: 62ch; margin-top: 18px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-weight: 600; font-size: 0.98rem;
  padding: 14px 26px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn--sm { padding: 10px 20px; font-size: 0.9rem; }
.btn--primary {
  background: var(--red-600); color: #fff;
  box-shadow: 0 0 0 0 var(--red-glow);
}
.btn--primary:hover { background: var(--red); transform: translateY(-2px); box-shadow: 0 10px 34px -8px var(--red-glow); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn--ghost:hover { border-color: var(--red); color: #fff; transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 11, 0.55);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease;
}
.nav.is-scrolled { background: rgba(10, 10, 11, 0.82); border-bottom-color: var(--border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }

.brand { display: inline-flex; align-items: center; }
.brand__text { font-family: var(--font-head); font-weight: 700; letter-spacing: 0.04em; font-size: 1.12rem; }
/* ---------- The "11": a pair of snake fangs ---------- */
.brand__text { display: inline-flex; align-items: baseline; }
.brand__11 { color: var(--red); }
.fangs {
  height: 0.7em; width: auto;
  display: inline-block; margin-left: 0.17em;
  overflow: visible; vertical-align: baseline;
  filter: drop-shadow(0 1px 5px var(--red-glow));
}
.fang {
  fill: currentColor;
  transform-origin: 50% 0;
  transition: transform .45s var(--ease-back);
}
.fang--l { transform-origin: 3px 0; }
.fang--r { transform-origin: 12px 0; }
/* A bead of venom at the tip, hidden until the mark is hovered */
.fang__venom { fill: currentColor; opacity: 0; transform-origin: 3.5px 21.9px; }

/* Bite: the fangs extend and a drop falls */
.brand:hover .fang--l { transform: translateY(1px) rotate(-3.5deg) scaleY(1.06); }
.brand:hover .fang--r { transform: translateY(1px) rotate(3.5deg) scaleY(1.06); }
.brand:hover .fang__venom { animation: venom 1.5s var(--ease) infinite; }
@keyframes venom {
  0%        { opacity: 0;   transform: translateY(0px)   scale(0.4); }
  25%       { opacity: 1;   transform: translateY(0.4px) scale(1); }
  70%       { opacity: 0.9; transform: translateY(3.4px) scale(0.9); }
  100%      { opacity: 0;   transform: translateY(6px)   scale(0.5); }
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.nav__links { display: flex; gap: 30px; }
.nav__links a { color: var(--muted); font-size: 0.93rem; transition: color .15s ease; }
.nav__links a:hover { color: var(--text); }
.nav__cta { display: flex; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 22px; height: 2px; background: var(--text); transition: .25s ease; }
.nav__mobile { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 118px 0 96px; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(900px 440px at 70% -10%, rgba(255,43,43,0.16), transparent 60%),
    radial-gradient(700px 500px at 10% 10%, rgba(255,43,43,0.06), transparent 55%),
    linear-gradient(transparent 0, var(--bg) 92%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 44px);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 55%, transparent 100%);
}
.hero__inner { position: relative; z-index: 1; text-align: center; max-width: 920px; margin-inline: auto; }
.hero__title { font-size: clamp(2.4rem, 6.2vw, 4.6rem); font-weight: 700; }
.hero__sub { color: var(--muted); font-size: clamp(1.02rem, 2vw, 1.22rem); max-width: 62ch; margin: 26px auto 0; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 38px; }

.hero__strip {
  margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.strip__item { background: var(--bg); padding: 26px 20px; display: flex; flex-direction: column; gap: 4px; }
.strip__k { font-family: var(--font-head); font-size: 1.4rem; font-weight: 700; color: #fff; }
.strip__v { color: var(--muted-2); font-size: 0.9rem; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 20px; margin-top: 48px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.card:hover { border-color: var(--border-2); transform: translateY(-3px); }
.card h3 { font-size: 1.22rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.98rem; }

.problem { position: relative; padding-left: 28px; }
.problem::before { content: ""; position: absolute; left: 0; top: 28px; bottom: 28px; width: 3px; border-radius: 3px; background: var(--red-600); }

/* Pillars */
.pillar__icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; font-size: 1.3rem;
  background: rgba(255,43,43,0.1); color: var(--red);
  border: 1px solid rgba(255,43,43,0.25); margin-bottom: 18px;
}

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.step { padding: 28px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); position: relative; }
.step__n { font-family: var(--font-mono); font-size: 0.92rem; color: var(--red); display: block; margin-bottom: 16px; }
.step h3 { font-size: 1.14rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Surfaces ---------- */
.surface__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.badge {
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 5px 10px; border-radius: 999px; color: var(--muted);
  border: 1px solid var(--border-2); white-space: nowrap;
}
.badge--live { color: #fff; background: var(--red-600); border-color: var(--red-600); }

.surface__intro { color: var(--text) !important; font-weight: 500; margin-bottom: 18px; }
.surface__list { display: grid; gap: 11px; }
.surface__list li {
  position: relative; padding-left: 26px;
  color: var(--muted); font-size: 0.95rem; line-height: 1.5;
}
.surface__list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--red); font-size: 0.82rem; font-weight: 700;
  width: 17px; height: 17px; border-radius: 5px; display: grid; place-items: center;
  background: rgba(255,43,43,0.12); border: 1px solid rgba(255,43,43,0.28);
  line-height: 1;
}

/* ---------- Trust ---------- */
.trust { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.trust__list { display: grid; gap: 14px; }
.trust__list li { padding: 16px 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--muted); }
.trust__list strong { color: var(--text); font-weight: 600; }

/* ---------- CTA ---------- */
.cta { padding: 110px 0; position: relative; overflow: hidden;
  background:
    radial-gradient(700px 320px at 50% 120%, rgba(255,43,43,0.2), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--border);
}
.cta__inner { text-align: center; max-width: 720px; margin-inline: auto; }
.cta h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
.cta p { color: var(--muted); margin-top: 16px; font-size: 1.1rem; }
.cta__form { display: flex; gap: 12px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.cta__form input {
  flex: 1 1 320px; max-width: 420px;
  background: var(--bg); border: 1px solid var(--border-2); color: var(--text);
  padding: 14px 18px; border-radius: 999px; font-size: 0.98rem; font-family: var(--font-sans);
}
.cta__form input:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(255,43,43,0.18); }
.cta__note { margin-top: 16px; font-size: 0.92rem; min-height: 1.2em; color: var(--red); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 44px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer__brand p { color: var(--muted-2); font-size: 0.9rem; margin-top: 6px; }
.footer__meta { display: flex; gap: 24px; align-items: center; color: var(--muted-2); font-size: 0.9rem; }
.footer__meta a:hover { color: var(--text); }

/* ---------- Hero note ---------- */
.hero__note { margin-top: 26px; font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted-2); letter-spacing: 0.02em; }

/* ---------- Proof band ---------- */
.band { border-block: 1px solid var(--border); background: var(--bg-2); }
.band__inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.band__item { padding: 30px 28px; display: flex; flex-direction: column; gap: 4px; position: relative; }
.band__item + .band__item { border-left: 1px solid var(--border); }
.band__k { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: #fff; }
.band__v { color: var(--muted-2); font-size: 0.92rem; }

/* ---------- Link arrow ---------- */
.link-arrow { display: inline-block; margin-top: 20px; color: var(--red); font-weight: 600; font-size: 0.95rem; transition: gap .15s ease, color .15s ease; }
.link-arrow:hover { color: #fff; }

/* ---------- Feature blocks (alternating) ---------- */
.fblocks { display: grid; gap: 40px; }
.fblock { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.fblock--rev .fblock__text { order: 2; }
.fblock__text h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin-bottom: 14px; }
.fblock__text p { color: var(--muted); font-size: 1.04rem; }

.fblock__visual { min-height: 240px; }
.mock {
  position: relative; height: 100%; min-height: 240px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background:
    radial-gradient(600px 240px at 80% -20%, rgba(255,43,43,0.12), transparent 60%),
    var(--surface);
  padding: 24px; overflow: hidden;
}
.mock__label { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted-2); }
.mock__lines { margin-top: 20px; display: grid; gap: 8px; font-family: var(--font-mono); font-size: 0.85rem; color: var(--muted); }
.mock__lines .hot { color: var(--red); }

.node-graph { display: flex; align-items: center; gap: 0; margin-top: 34px; }
.node { width: 16px; height: 16px; border-radius: 50%; background: var(--bg-3); border: 2px solid var(--border-2); flex: 0 0 auto; }
.node--hot { background: var(--red-600); border-color: var(--red); box-shadow: 0 0 16px -2px var(--red-glow); }
.edge { height: 2px; flex: 1 1 auto; background: linear-gradient(90deg, var(--border-2), var(--red-700)); }

.guard-list { margin-top: 22px; display: grid; gap: 12px; font-family: var(--font-mono); font-size: 0.9rem; color: var(--text); }
.guard-list li { color: var(--muted); }

.mini-finding { margin-top: 26px; display: grid; gap: 8px; }
.mini-finding__title { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; color: #fff; }
.mini-finding__meta { font-family: var(--font-mono); font-size: 0.82rem; color: var(--muted-2); }

/* ---------- Severity badge ---------- */
.sev { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.08em; padding: 4px 9px; border-radius: 6px; align-self: flex-start; }
.sev--high { background: rgba(255,43,43,0.15); color: var(--red); border: 1px solid rgba(255,43,43,0.4); }

/* ---------- Steps: 5 across ---------- */
.steps--5 { grid-template-columns: repeat(5, 1fr); }

/* ---------- Finding trace ---------- */
.trace { margin-top: 48px; border: 1px solid var(--border-2); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.trace__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.trace__title { display: flex; align-items: center; gap: 14px; }
.trace__title h3 { font-size: 1.2rem; }
.trace__tag { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted-2); border: 1px dashed var(--border-2); padding: 4px 10px; border-radius: 999px; }
.trace__meta { display: flex; gap: 28px; padding: 16px 26px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); font-size: 0.85rem; color: var(--muted); flex-wrap: wrap; }
.trace__meta strong { color: var(--text); font-weight: 600; }
.trace__steps { padding: 22px 26px; display: grid; gap: 12px; }
.trace__steps li { display: grid; grid-template-columns: auto 1fr; gap: 14px; color: var(--muted); font-size: 0.98rem; align-items: start; }
.trace__steps span { font-family: var(--font-mono); font-size: 0.8rem; color: var(--red); padding-top: 2px; }
.trace__code { margin: 0 26px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.82rem; color: var(--muted); line-height: 1.7; }
.trace__code code { color: inherit; white-space: pre; }
.trace__foot { padding: 20px 26px; color: var(--muted-2); font-size: 0.9rem; border-top: 1px solid var(--border); }

/* ---------- FAQ ---------- */
.faq { margin-top: 40px; display: grid; gap: 12px; max-width: 820px; }
.faq details { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); padding: 0 22px; transition: border-color .2s ease; }
.faq details[open] { border-color: var(--border-2); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 0; font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-size: 1.4rem; line-height: 1; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 22px; font-size: 0.98rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .steps--5 { grid-template-columns: repeat(3, 1fr); }
  .fblock, .fblock--rev { grid-template-columns: 1fr; gap: 24px; }
  .fblock--rev .fblock__text { order: 0; }
  .fblock__visual { min-height: 180px; }
}
@media (max-width: 900px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .band__inner { grid-template-columns: 1fr; }
  .band__item + .band__item { border-left: 0; border-top: 1px solid var(--border); }
  .trace__meta { gap: 18px; }
  .trust { grid-template-columns: 1fr; gap: 32px; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav__mobile {
    display: grid; gap: 6px; padding: 0 24px;
    max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease;
    border-bottom: 1px solid transparent; background: rgba(10,10,11,0.95);
  }
  .nav__mobile.is-open { max-height: 420px; padding: 14px 24px 22px; border-bottom-color: var(--border); }
  .nav__mobile a { color: var(--muted); padding: 10px 0; }
  .nav__mobile a:hover { color: var(--text); }
  .nav__mobile .btn { margin-top: 8px; }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 580px) {
  body { font-size: 16px; }
  .section { padding: 80px 0; }
  .grid--2, .grid--3, .steps, .steps--5 { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 64px; }
  .trace__title { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn:hover, .card:hover { transform: none; }
}


/* ===========================================================
   v2: motion layer & new components
   Everything below is additive and overrides the base above.
   =========================================================== */

html { scroll-padding-top: calc(var(--nav-h) + 24px); }
section[id] { scroll-margin-top: calc(var(--nav-h) + 12px); }

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  z-index: 100; pointer-events: none; background: transparent;
}
.progress__bar {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--red-700), var(--red));
  box-shadow: 0 0 14px var(--red-glow);
  transform-origin: 0 50%;
}

/* ---------- Reveal: softer, with stagger ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(6px);
  transition:
    opacity .85s var(--ease-soft) var(--d, 0ms),
    transform .85s var(--ease-soft) var(--d, 0ms),
    filter .85s var(--ease-soft) var(--d, 0ms);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; filter: none; }

/* ---------- Hero polish ---------- */
.hero__bg { will-change: transform; transition: transform .2s linear; }
.hero__grain {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 3px 3px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 85%);
}
.hero__title .accent { position: relative; display: inline-block; }

/* ---------- Spotlight (cursor-following glow) ---------- */
[data-spotlight] { position: relative; overflow: hidden; isolation: isolate; }
[data-spotlight]::after {
  content: ""; position: absolute; inset: -1px; z-index: -1;
  border-radius: inherit; pointer-events: none; opacity: 0;
  transition: opacity .4s var(--ease);
  background: radial-gradient(
    240px circle at var(--mx, 50%) var(--my, 50%),
    rgba(255, 43, 43, 0.16), transparent 70%
  );
}
[data-spotlight]:hover::after { opacity: 1; }

/* ---------- Cards & buttons: smoother ---------- */
.card {
  transition: border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 43, 43, 0.3);
  box-shadow: 0 22px 50px -26px rgba(0,0,0,.9);
}
.pillar__icon { transition: transform .45s var(--ease-back), background .3s var(--ease); }
.card:hover .pillar__icon { transform: translateY(-2px) scale(1.08) rotate(-4deg); }

.btn { transition: transform .35s var(--ease-back), background .3s var(--ease), border-color .3s var(--ease), box-shadow .35s var(--ease); }
.btn__arrow { display: inline-block; transition: transform .35s var(--ease-back); }
.btn:hover .btn__arrow, .link-arrow:hover .btn__arrow { transform: translateX(5px); }
.link-arrow { transition: color .25s var(--ease); }

/* ---------- Nav: active section indicator ---------- */
.nav__links a { position: relative; padding-block: 6px; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; border-radius: 2px; background: var(--red);
  transform: scaleX(0); transform-origin: 50%; opacity: 0;
  transition: transform .4s var(--ease), opacity .3s var(--ease);
}
.nav__links a:hover::after { transform: scaleX(.45); opacity: .5; }
.nav__links a.is-active { color: var(--text); }
.nav__links a.is-active::after { transform: scaleX(1); opacity: 1; }

/* ---------- Step rail ---------- */
.rail { position: relative; }
.rail__track {
  margin-top: 48px; height: 2px; border-radius: 2px;
  background: var(--border); overflow: hidden;
}
.rail__fill {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--red-700), var(--red));
  box-shadow: 0 0 14px var(--red-glow);
}
.rail .steps { margin-top: 26px; }
.step { transition: border-color .4s var(--ease), transform .4s var(--ease), background .4s var(--ease); }
.step:hover { transform: translateY(-5px); border-color: rgba(255,43,43,.3); background: var(--surface); }

/* ---------- Guard list (markers moved from markup to CSS) ---------- */
.guard-list li { position: relative; padding-left: 24px; }
.guard-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--red); font-size: .8rem; font-weight: 700;
}

/* ---------- Trace / FAQ polish ---------- */
.trace { transition: border-color .4s var(--ease), box-shadow .4s var(--ease); }
.trace:hover { box-shadow: 0 30px 64px -40px rgba(0,0,0,.95); }
.trace__steps li { transition: color .3s var(--ease); }
.trace__steps li:hover { color: var(--text); }

.faq details { transition: border-color .3s var(--ease), background .3s var(--ease); }
.faq details:hover { background: var(--bg-3); }
.faq summary::after { transition: transform .35s var(--ease-back); }
.faq details[open] p { animation: faqIn .4s var(--ease-soft) both; }
@keyframes faqIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---------- Trust list ---------- */
.trust__list li { transition: border-color .35s var(--ease), transform .35s var(--ease), background .35s var(--ease); }
.trust__list li:hover { transform: translateX(6px); border-color: rgba(255,43,43,.32); background: var(--bg-3); }

/* ---------- Back to top ---------- */
.totop {
  position: fixed; right: 24px; bottom: 24px; z-index: 60;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer;
  background: rgba(17,17,20,.86); backdrop-filter: blur(10px);
  color: var(--text); border: 1px solid var(--border-2); font-size: 1.05rem;
  opacity: 0; transform: translateY(14px) scale(.9); pointer-events: none;
  transition: opacity .4s var(--ease), transform .4s var(--ease-back), border-color .3s var(--ease);
}
.totop.is-on { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { border-color: var(--red); transform: translateY(-3px); }

/* ---------- Focus visibility (keyboard users) ---------- */
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 2px solid var(--red); outline-offset: 3px; border-radius: 6px;
}

/* ---------- Responsive (v2) ---------- */
@media (max-width: 900px) {
  .rail__track { display: none; }
  .rail .steps { margin-top: 48px; }
  .totop { right: 16px; bottom: 16px; }
}
@media (max-width: 580px) {
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .dash__caret, .dash__live::before { animation: none; }
  .reveal { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
  .brand:hover .fang--l, .brand:hover .fang--r { transform: none; }
  .brand:hover .fang__venom { animation: none; opacity: 0; }
  .hero__bg { transform: none !important; }
  .card:hover, .step:hover, .trust__list li:hover, .totop:hover { transform: none; }
}


/* ---------- Dashboard ---------- */
.dash {
  margin-top: 48px; border: 1px solid var(--border-2); border-radius: var(--radius);
  background:
    radial-gradient(900px 300px at 85% -30%, rgba(255,43,43,0.09), transparent 60%),
    var(--surface);
  box-shadow: 0 34px 70px -42px rgba(0,0,0,.95);
}
.dash__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; padding: 15px 22px; border-bottom: 1px solid var(--border);
}
.dash__crumb { font-family: var(--font-mono); font-size: .78rem; color: var(--muted-2); }
.dash__crumb em { font-style: normal; color: var(--border-2); margin: 0 6px; }
.dash__tag {
  font-family: var(--font-mono); font-size: .66rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted-2);
  border: 1px dashed var(--border-2); border-radius: 999px; padding: 4px 10px;
}

/* Target entry */
.dash__scope { padding: 26px 22px; border-bottom: 1px solid var(--border); }
.dash__label {
  display: block; font-family: var(--font-mono); font-size: .68rem;
  text-transform: uppercase; letter-spacing: .14em; color: var(--muted-2); margin-bottom: 12px;
}
.dash__row { display: flex; gap: 12px; flex-wrap: wrap; }
.dash__field {
  flex: 1 1 320px; display: flex; align-items: center; min-height: 50px;
  background: var(--bg); border: 1px solid var(--border-2); border-radius: 10px;
  padding: 0 16px; font-family: var(--font-mono); font-size: .92rem; color: var(--text);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.dash.is-typing .dash__field { border-color: var(--red); box-shadow: 0 0 0 3px rgba(255,43,43,.14); }
.dash__url { white-space: nowrap; overflow: hidden; }
.dash__caret { width: 2px; height: 1.15em; background: var(--red); margin-left: 3px; opacity: 0; }
.dash.is-typing .dash__caret { opacity: 1; animation: caret 1s steps(2, start) infinite; }
@keyframes caret { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.dash__go {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 24px; min-height: 50px; border-radius: 10px;
  background: var(--bg-3); color: var(--muted-2); font-weight: 600; font-size: .93rem;
  border: 1px solid var(--border-2);
  transition: background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.dash.is-armed .dash__go {
  background: var(--red-600); color: #fff; border-color: var(--red-600);
  box-shadow: 0 10px 30px -10px var(--red-glow);
}

.dash__chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.chip {
  font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .09em; color: var(--muted-2);
  border: 1px solid var(--border-2); border-radius: 999px; padding: 5px 12px;
}
.chip--ok { color: #6ee7a8; border-color: rgba(110,231,168,.4); }
.chip--ok::before { content: "✓ "; }

/* Stats */
.dash__stats { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--border); }
.stat { padding: 24px 22px; display: flex; flex-direction: column; gap: 4px; }
.stat + .stat { border-left: 1px solid var(--border); }
.stat__v {
  font-family: var(--font-head); font-size: 1.85rem; font-weight: 700; color: #fff;
  font-variant-numeric: tabular-nums;
}
.stat__k { font-size: .86rem; color: var(--muted-2); }

/* Findings panel */
.dash__panel { padding: 22px; }
.dash__phead {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase;
  letter-spacing: .14em; color: var(--muted-2); margin-bottom: 16px;
}
.dash__live { display: inline-flex; align-items: center; gap: 7px; color: var(--red); }
.dash__live::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--red);
  box-shadow: 0 0 10px var(--red); animation: blip 1.6s var(--ease) infinite;
}
.dash.is-done .dash__live { color: #6ee7a8; }
.dash.is-done .dash__live::before { background: #6ee7a8; box-shadow: 0 0 10px #6ee7a8; animation: none; }
@keyframes blip { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

.flist { display: grid; gap: 10px; }
.fitem {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 18px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--bg);
  transition: border-color .35s var(--ease), transform .35s var(--ease), background .35s var(--ease);
}
.fitem:hover { border-color: rgba(255,43,43,.3); transform: translateX(5px); background: var(--bg-3); }
.fitem .sev { min-width: 76px; text-align: center; align-self: center; }
.fitem__body { display: grid; gap: 3px; flex: 1 1 auto; min-width: 0; }
.fitem__title { font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; color: #fff; }
.fitem__meta { font-family: var(--font-mono); font-size: .78rem; color: var(--muted-2); }
.fitem__state {
  font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .09em; color: #6ee7a8; white-space: nowrap;
}
.sev--med { background: rgba(245,194,107,.14); color: #f5c26b; border: 1px solid rgba(245,194,107,.38); }

/* Findings arrive one at a time once the panel is in view */
.dash.is-live .fitem { opacity: 0; transform: translateY(10px); }
.dash.is-live .fitem.is-on {
  opacity: 1; transform: none;
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

@media (max-width: 900px) {
  .dash__stats { grid-template-columns: 1fr; }
  .stat + .stat { border-left: 0; border-top: 1px solid var(--border); }
  .fitem { flex-wrap: wrap; gap: 10px; }
  .fitem__state { margin-left: auto; }
}


/* ===========================================================
   Mobile ergonomics
   Tap targets at 44px (Apple HIG / WCAG 2.5.8) and no label
   text below 12px, which is where mono type stops being legible.
   =========================================================== */
@media (max-width: 900px) {
  .nav__toggle { padding: 14px; }
  .brand { padding: 7px 0; }
  .link-arrow { padding: 10px 0; }
  .nav__mobile a { padding: 13px 0; }
  .footer__meta a { display: inline-block; padding: 10px 0; }
  .faq summary { padding: 22px 0; }
  .totop { width: 52px; height: 52px; }

  .mock__label, .sev, .badge, .chip, .trace__tag,
  .dash__tag, .dash__label, .dash__crumb, .dash__phead,
  .fitem__meta, .fitem__state, .eyebrow { font-size: 0.8rem; }

  /* Stack the target row so the primary action is full width */
  .dash__row { flex-direction: column; }
  .dash__field, .dash__go { width: 100%; }
  .dash__bar { gap: 10px; }
}

/* Second paragraph inside a feature block */
.fblock__p2 { margin-top: 14px; }

/* ---------- Flow: a staged sequence inside a feature block ---------- */
.flow { display: grid; margin-top: 24px; list-style: none; padding: 0; }
.flow__item { position: relative; padding: 0 0 22px 32px; }
.flow__item:last-child { padding-bottom: 0; }
.flow__item::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--red);
  box-shadow: 0 0 10px -1px var(--red-glow);
}
.flow__item:not(:last-child)::after {
  content: ""; position: absolute; left: 5px; top: 20px; bottom: 2px;
  width: 1px; background: linear-gradient(180deg, var(--red-700), var(--border));
}
.flow__k {
  display: block; font-family: var(--font-head); font-weight: 600;
  color: #fff; font-size: 1.04rem; margin-bottom: 5px;
}
.flow__v { display: block; color: var(--muted); font-size: 0.98rem; line-height: 1.55; }

/* Critical severity, and spacing when traces stack */
.sev--crit { background: var(--red-600); color: #fff; border: 1px solid var(--red-600); }
.trace + .trace { margin-top: 26px; }

/* Severity badge: centre it against the title it labels, and give the filled
   CRITICAL variant the same pill shape as the other filled status chips. */
.trace__title .sev { align-self: center; }
.sev--crit { box-shadow: 0 0 16px -5px var(--red-glow); }
.fitem .sev { min-width: 84px; }