/* Agentopolis landing page. Same palette as the app (web/style.css). */

:root {
  --bg: #171a2b;
  --bg-deep: #12141f;
  --panel: rgba(21, 24, 42, 0.94);
  --panel-border: #2c3152;
  --text: #e8e6f0;
  --dim: #9aa0c0;
  --accent: #ffd97a;
  --attn: #ffcc33;
  --fail: #ff5f6b;
  --ok: #69d58c;
  --work: #8fd0ff;
  --font: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--work); }

/* ——— hero: the live city behind the copy ——— */

#hero-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 0;
  /* background, not a widget: wheel scrolls the page, not the camera */
  pointer-events: none;
  /* the copy owns the upper half; the city parades beneath it.
     canvas gradient top === page bg, so the shift is seamless */
  transform: translateY(16vh);
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 20px 96px;
  /* scrim so the copy stays legible over the busiest city moment —
     light-handed: the live city IS the pitch, let it show */
  background: radial-gradient(ellipse 74% 52% at 50% 44%,
    rgba(13, 15, 28, 0.66) 0%,
    rgba(13, 15, 28, 0.34) 55%,
    rgba(13, 15, 28, 0) 100%);
}

.hero-inner { max-width: 760px; }

.hero .brand {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 5px;
  color: var(--accent);
  text-shadow: 0 0 16px rgba(255, 217, 122, 0.35);
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.75);
  margin-bottom: 18px;
}

.hero .sub {
  font-size: clamp(14px, 1.7vw, 17px);
  color: var(--text);
  opacity: 0.92;
  max-width: 620px;
  margin: 0 auto 34px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.8);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

#copy-cmd {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 13px 20px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 16px;
  color: var(--text);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5);
  transition: border-color 0.15s, transform 0.15s;
}
#copy-cmd:hover { border-color: var(--accent); transform: translateY(-1px); }
#copy-cmd code .p { color: var(--dim); }
#copy-cmd code b { color: var(--accent); font-weight: 700; }
#copy-cmd .copy-hint { font-size: 11px; color: var(--dim); }

.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(21, 24, 42, 0.8);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: border-color 0.15s, transform 0.15s;
}
.btn:hover { border-color: var(--work); transform: translateY(-1px); }

.hero .fineprint {
  margin-top: 26px;
  font-size: 12px;
  color: var(--dim);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}

.scroll-nudge {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--dim);
  font-size: 12px;
  opacity: 0.8;
  text-decoration: none;
}
.scroll-nudge:hover { color: var(--text); opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .scroll-nudge { animation: nudge 2.4s ease-in-out infinite; }
  @keyframes nudge {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 6px); }
  }
}

/* ——— below the fold ——— */

main {
  position: relative;
  z-index: 1;
  background: var(--bg-deep);
  border-top: 1px solid var(--panel-border);
  box-shadow: 0 -18px 50px rgba(0, 0, 0, 0.55);
}

section {
  max-width: 880px;
  margin: 0 auto;
  padding: 72px 24px;
}
section + section { border-top: 1px solid rgba(44, 49, 82, 0.55); }

h2 {
  font-size: 24px;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
h2 .mark { color: var(--accent); }
.section-lede { color: var(--dim); margin-bottom: 32px; font-size: 14px; }

/* how it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 22px 20px;
}
.step .n {
  display: inline-block;
  width: 26px; height: 26px;
  line-height: 26px;
  text-align: center;
  border-radius: 7px;
  background: rgba(255, 217, 122, 0.14);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 { font-size: 15px; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--dim); }
.step code {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  color: var(--accent);
}

/* city grammar table */
.grammar-wrap { overflow-x: auto; }
table.grammar {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 560px;
}
table.grammar th, table.grammar td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(44, 49, 82, 0.7);
  vertical-align: top;
}
table.grammar th {
  color: var(--dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
table.grammar td:first-child {
  white-space: nowrap;
  font-weight: 700;
  color: var(--accent);
}
table.grammar td:last-child { color: var(--text); }
table.grammar .g-dim { color: var(--dim); }

/* feature blurbs */
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feature {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 24px 22px;
}
.feature h3 { font-size: 16px; margin-bottom: 10px; }
.feature h3 .dot { margin-right: 8px; }
.feature p { font-size: 13.5px; color: var(--dim); }
.feature p + p { margin-top: 10px; }
.feature em { color: var(--text); font-style: normal; }

/* privacy */
.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.privacy-item {
  border: 1px solid var(--panel-border);
  border-left: 3px solid var(--ok);
  border-radius: 10px;
  padding: 16px 18px;
  background: rgba(21, 24, 42, 0.6);
}
.privacy-item h3 { font-size: 14px; margin-bottom: 6px; color: var(--ok); }
.privacy-item p { font-size: 13px; color: var(--dim); }
.privacy-item code {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  color: var(--text);
}

/* FAQ */
details {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  background: var(--panel);
  margin-bottom: 10px;
  overflow: hidden;
}
details summary {
  cursor: pointer;
  padding: 15px 18px;
  font-weight: 700;
  font-size: 14px;
  list-style: none;
  position: relative;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: '+';
  position: absolute;
  right: 18px;
  color: var(--dim);
}
details[open] summary::after { content: '–'; }
details[open] summary { color: var(--accent); }
details .a {
  padding: 0 18px 16px;
  font-size: 13.5px;
  color: var(--dim);
}
details .a code {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  color: var(--text);
}

/* footer */
footer {
  position: relative;
  z-index: 1;
  background: var(--bg-deep);
  border-top: 1px solid var(--panel-border);
  padding: 34px 24px 44px;
  text-align: center;
  font-size: 13px;
  color: var(--dim);
}
footer .links { margin-bottom: 10px; }
footer .links a { margin: 0 12px; color: var(--text); text-decoration: none; }
footer .links a:hover { color: var(--accent); }

@media (max-width: 760px) {
  .steps, .features, .privacy-grid { grid-template-columns: 1fr; }
  section { padding: 52px 18px; }
}