/* ==========================================================================
   Safety — pinned flow diagram, can/can't, wallets, chains
   ========================================================================== */

/* ---------- Flow ---------- */
.flow { position: relative; padding: 0 clamp(20px, 7vw, 120px); }

.flow__sticky {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 6vw;
  max-width: 1440px;
  margin: 0 auto;
}

.flow__diagram {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  height: 100svh;
  display: grid;
  place-items: center;
}

.flow__diagram svg { width: 100%; max-height: 80vh; overflow: visible; }

.flow__steps { padding: 30vh 0 12vh; }

/* ---------- Hero shield ---------- */
.shield {
  position: absolute;
  right: 8vw;
  top: 50%;
  width: min(40vw, 560px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  z-index: -1;
  pointer-events: none;
}
.shield img { width: 34%; opacity: 0.9; filter: drop-shadow(0 0 40px rgba(124, 255, 203, 0.45)); animation: breathe 5s ease-in-out infinite; }
.shield__ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(124, 255, 203, 0.28); }
.shield__ring--1 { border-style: dashed; animation: spin 40s linear infinite; }
.shield__ring--2 { inset: 12%; border-color: rgba(124, 255, 203, 0.16); border-top-color: var(--mint); animation: spin 9s linear infinite reverse; box-shadow: 0 0 80px rgba(124, 255, 203, 0.08) inset; }
.shield__ring--3 { inset: 24%; border-color: rgba(255, 255, 255, 0.08); background: radial-gradient(circle, rgba(0, 186, 124, 0.16), transparent 70%); }
.shield__tag { position: absolute; bottom: 4%; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mint); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes breathe { 50% { transform: scale(1.05); opacity: 1; } }
.hero { isolation: isolate; }
@media (max-width: 900px) {
  .shield { right: 50%; top: 22%; width: 70vw; transform: translate(50%, -50%); opacity: 0.45; }
}

.step {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.22;
  transition: opacity 0.6s var(--ease-out);
}

.step.is-on { opacity: 1; }
.step > span { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--mint); }
.step h3 { margin: 16px 0 16px; font-size: clamp(34px, 4vw, 64px); color: var(--white); }
.step p { margin: 0; max-width: 480px; font-size: 17px; line-height: 1.65; color: rgba(231, 233, 234, 0.72); }
.step p .mono { font-size: 0.9em; color: var(--mint); }

/* Diagram nodes */
.node rect { fill: rgba(0, 0, 0, 0.75); stroke: rgba(255, 255, 255, 0.14); stroke-width: 1.2; transition: stroke 0.6s, filter 0.6s; }
.node text { text-anchor: middle; fill: var(--muted); transition: fill 0.6s; }
.node__k { font: 500 11px var(--font-mono); letter-spacing: 0.16em; }
.node__v { font: 600 22px var(--font-display); letter-spacing: -0.02em; fill: var(--paper) !important; }

.link { fill: none; stroke: rgba(255, 255, 255, 0.1); stroke-width: 2; stroke-dasharray: 6 8; transition: stroke 0.6s, opacity 0.6s; }
.link--no { stroke: rgba(244, 33, 46, 0); }
.packet { fill: var(--mint); opacity: 0; transition: opacity 0.4s; filter: drop-shadow(0 0 6px var(--mint)); }

.agentkey { opacity: 0; transform-box: fill-box; transition: opacity 0.6s; }
.agentkey rect { fill: var(--mint); }
.agentkey text { font: 600 11px var(--font-mono); fill: #00140c !important; text-anchor: middle; }

.blocked { opacity: 0; transition: opacity 0.5s; }
.blocked circle { fill: #1a0406; stroke: var(--bear); stroke-width: 2; }
.blocked path { stroke: var(--bear); stroke-width: 2.5; stroke-linecap: round; }

/* Step 1: connect */
[data-step]:not([data-step="0"]) .node--you rect,
[data-step]:not([data-step="0"]) .node--wallet rect { stroke: rgba(124, 255, 203, 0.55); }
/* Step 2: sign-in signature travels browser ↔ wallet */
[data-step="2"] .link--sign { stroke: url(#gLine); }
[data-step="2"] .packet--sign { opacity: 1; }
/* Step 3+: agent key exists */
[data-step="3"] .agentkey, [data-step="4"] .agentkey, [data-step="5"] .agentkey { opacity: 1; }
[data-step="3"] .link--approve { stroke: url(#gLine); }
[data-step="3"] .packet--approve { opacity: 1; }
[data-step="3"] .node--hl rect, [data-step="4"] .node--hl rect, [data-step="5"] .node--hl rect { stroke: rgba(124, 255, 203, 0.55); }
/* Step 4: orders flow straight from the browser */
[data-step="4"] .link--order { stroke: url(#gLine); stroke-dasharray: none; }
[data-step="4"] .packet--order { opacity: 1; }
[data-step="4"] .node--wallet rect { stroke: rgba(255, 255, 255, 0.14); }
/* Step 5: nothing comes back out */
[data-step="5"] .link--order { stroke: rgba(124, 255, 203, 0.4); }
[data-step="5"] .link--no { stroke: rgba(244, 33, 46, 0.8); }
[data-step="5"] .blocked { opacity: 1; }

@media (max-width: 900px) {
  .flow__sticky { grid-template-columns: 1fr; gap: 0; }
  .flow__diagram {
    height: 44vh;
    height: 44svh;
    z-index: 2;
    background: linear-gradient(#000 88%, transparent);
  }
  .flow__steps { padding: 6vh 0 30vh; }
  .step { min-height: 55vh; }
}

/* ---------- Can / can't ---------- */
.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.versus__col { padding: 34px; border-radius: 26px; border: 1px solid var(--line); background: rgba(0, 0, 0, 0.55); }
.versus__col h3 { margin: 0 0 24px; font-size: clamp(56px, 8vw, 120px); }
.versus__col ul { list-style: none; margin: 0; padding: 0; }
.versus__col li { padding: 16px 0; border-top: 1px solid var(--line); font-size: 18px; color: var(--paper); display: flex; gap: 14px; align-items: center; }
.versus__col--yes h3 { color: var(--mint); }
.versus__col--yes li::before { content: "✓"; color: var(--mint); font-family: var(--font-mono); }
.versus__col--no { border-color: rgba(244, 33, 46, 0.3); background: radial-gradient(circle at 100% 0%, rgba(244, 33, 46, 0.12), rgba(0, 0, 0, 0.55) 60%); }
.versus__col--no h3 { color: var(--bear); }
.versus__col--no li::before { content: "✕"; color: var(--bear); font-family: var(--font-mono); }
@media (max-width: 700px) { .versus { grid-template-columns: 1fr; } }

.honest { margin-top: 16px; padding: 30px 34px; border-radius: 26px; border: 1px dashed rgba(255, 212, 0, 0.35); background: rgba(255, 212, 0, 0.03); }
.honest .eyebrow { color: var(--gold); margin: 0 0 12px; }
.honest p:not(.eyebrow):not(.note) { margin: 0 0 14px; max-width: 760px; font-size: 17px; line-height: 1.65; color: var(--paper); }
.honest .note { margin: 0; }

/* ---------- Wallets ---------- */
.wall { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.wall__list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.wall__list li {
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.5);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  color: var(--paper);
  transition: border-color 0.3s, color 0.3s, transform 0.3s var(--ease-out);
}
.wall__list li:hover { border-color: rgba(124, 255, 203, 0.6); color: var(--white); transform: translateY(-3px); }
@media (max-width: 800px) { .wall { grid-template-columns: 1fr; gap: 24px; } }

.chains { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 60px; }
.chain { padding: 30px; border-radius: 22px; border: 1px solid var(--line); background: rgba(0, 0, 0, 0.55); }
.chain span { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.chain b { display: block; margin: 18px 0 8px; font-size: clamp(32px, 4vw, 56px); color: var(--white); }
.chain p { margin: 0; color: var(--muted); }
@media (max-width: 700px) { .chains { grid-template-columns: 1fr; } }