/* StrongLog public site: landing + agent docs. Static, no build step. */

@font-face { font-family: "Manrope"; src: url("../fonts/manrope.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("../fonts/archivo.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Archivo Narrow"; src: url("../fonts/archivo-narrow.woff2") format("woff2"); font-weight: 500 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

/* Mirrors the app tokens in src/app/globals.css. */
:root {
  color-scheme: dark;
  --background: #0a0908;
  --surface: #141210;
  --surface-2: #1c1a17;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.12);
  --muted: #a39a91;
  --foreground: #f5f1ec;
  --accent: #e8632a;
  --accent-2: #ff7a3b;
  --font-body: "Manrope";
  --font-display: "Archivo";
  --font-narrow: "Archivo Narrow";
  --font-mono: "JetBrains Mono";
}

*, ::before, ::after { box-sizing: border-box; margin: 0; padding: 0; border: 0 solid; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { background: var(--background); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-size: inherit; font-weight: inherit; }
a { color: inherit; text-decoration: inherit; }
ol, ul { list-style: none; }
img { display: block; max-width: 100%; height: auto; }
code, pre { font-family: var(--font-mono), monospace; }
table { border-collapse: collapse; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.lp {
  --lp-gutter: clamp(20px, 5vw, 72px);
  --lp-ease: cubic-bezier(0.22, 1, 0.36, 1);
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 60% 40% at 85% 0%, rgb(232 99 42 / 0.1), transparent 70%),
    var(--background);
  color: var(--foreground);
  font-family: var(--font-body), sans-serif;
  overflow-x: clip;
}

.lp ::selection {
  background: var(--accent);
  color: #0a0908;
}

.lp :focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 6px;
}

.lp-wrap {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--lp-gutter);
}

.lp-skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 50;
  background: var(--accent);
  color: #0a0908;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
}

.lp-skip:focus {
  top: 12px;
}

/* Navigation */
.lp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 22px;
}

.lp-brand {
  font-family: var(--font-display), sans-serif;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--foreground);
  text-decoration: none;
}

.lp-brand b {
  color: var(--accent);
  font-weight: 900;
}

.lp-navlinks {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 28px);
  font-size: 15px;
}

.lp-navlinks a:not(.lp-ghost) {
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms var(--lp-ease);
}

.lp-navlinks a:not(.lp-ghost):hover {
  color: var(--foreground);
}

.lp-hide-sm {
  display: none;
}

@media (min-width: 640px) {
  .lp-hide-sm {
    display: inline;
  }
}

/* Buttons */
.lp-btn,
.lp-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition:
    background-color 160ms var(--lp-ease),
    border-color 160ms var(--lp-ease),
    transform 160ms var(--lp-ease);
}

.lp-btn {
  background: var(--accent);
  color: #0a0908;
  padding: 12px 26px;
}

.lp-btn:hover {
  background: var(--accent-2);
}

.lp-btn:active,
.lp-ghost:active {
  transform: translateY(1px);
}

.lp-ghost {
  border: 1px solid var(--border-strong);
  color: var(--foreground);
  padding: 10px 20px;
}

.lp-ghost:hover {
  border-color: rgb(255 255 255 / 0.28);
}

/* Type */
.lp-display {
  font-family: var(--font-display), sans-serif;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.98;
  text-wrap: balance;
}

.lp-display em {
  font-style: normal;
  color: var(--accent);
}

.lp-h1 {
  font-size: clamp(2.5rem, 6.2vw, 4.75rem);
}

.lp-h2 {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
}

.lp-h3 {
  font-family: var(--font-display), sans-serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.lp-lede {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.6;
  max-width: 40ch;
}

.lp-body {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 54ch;
}

.lp-note {
  font-size: 13px;
  color: var(--muted);
}

/* Hero */
.lp-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: clamp(12px, 4vw, 40px);
}

.lp-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 22px;
}

@media (min-width: 1024px) {
  .lp-hero {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: end;
    gap: 56px;
  }
}

/* Stage: laptop agent pane + overlapping phone */
.lp-stage {
  position: relative;
  margin-top: clamp(32px, 5vw, 48px);
}

@media (min-width: 1024px) {
  .lp-stage {
    min-height: 640px;
  }
}

.lp-laptop {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgb(0 0 0 / 0.45);
}

@media (min-width: 1024px) {
  .lp-laptop {
    width: 62%;
  }
}

.lp-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding-inline: 16px;
  border-bottom: 1px solid var(--border);
}

.lp-bar i {
  flex: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #2a2723;
}

.lp-bar span {
  margin-left: 10px;
  font-family: var(--font-mono), monospace;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lp-chat {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 3vw, 28px) clamp(18px, 3vw, 32px) clamp(96px, 20vw, 140px);
  font-size: clamp(14px, 1.3vw, 16px);
  line-height: 1.6;
}

@media (min-width: 1024px) {
  .lp-chat {
    padding-bottom: 32px;
  }
}

.lp-msg {
  max-width: 62ch;
}

.lp-who {
  display: block;
  font-family: var(--font-mono), monospace;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 2px;
}

.lp-msg-agent {
  color: var(--muted);
}

.lp-msg-agent .lp-who {
  color: var(--accent);
}

.lp-tool {
  font-family: var(--font-mono), monospace;
  font-size: 13px;
  line-height: 1.5;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  max-width: 56ch;
  overflow-wrap: anywhere;
}

.lp-tool b {
  color: var(--accent);
  font-weight: 500;
}

.lp-tool span {
  color: var(--muted);
}

/* Phone */
.lp-phone {
  position: relative;
  width: min(300px, 72vw);
  aspect-ratio: 780 / 1688;
  border-radius: 46px;
  background: #22201d;
  padding: 10px;
  box-shadow:
    inset 0 0 0 1px rgb(255 255 255 / 0.08),
    -40px 50px 100px rgb(0 0 0 / 0.7);
  transform: perspective(1500px) rotateY(var(--lp-ry, -14deg)) rotateZ(var(--lp-rz, 3deg));
  transition: transform 700ms var(--lp-ease);
}

.lp-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  background: var(--background);
}

.lp-screen img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.lp-stage .lp-phone {
  margin: -84px auto 0;
  width: min(270px, 68vw);
  --lp-ry: -10deg;
  --lp-rz: 3deg;
}

@media (min-width: 640px) {
  .lp-stage .lp-phone {
    margin: -120px 8% 0 auto;
  }
}

@media (min-width: 1024px) {
  .lp-stage .lp-phone {
    position: absolute;
    right: 9%;
    top: -28px;
    margin: 0;
    width: 300px;
    --lp-ry: -18deg;
    --lp-rz: 4deg;
  }
}

.lp-arc {
  display: none;
}

@media (min-width: 1024px) {
  .lp-arc {
    display: block;
    position: absolute;
    left: 56%;
    top: 44%;
    width: 13%;
    height: 90px;
    border-top: 2px dashed var(--accent);
    border-radius: 50% 50% 0 0;
    opacity: 0.8;
  }
}

.lp-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 56px;
  padding: 0;
  list-style: none;
}

.lp-steps a {
  display: inline-block;
  font-family: var(--font-narrow), sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding-block: 8px 6px;
  border-bottom: 2px solid transparent;
  transition:
    color 160ms var(--lp-ease),
    border-color 160ms var(--lp-ease);
}

.lp-steps a:hover {
  color: var(--foreground);
  border-color: var(--accent);
}

@media (min-width: 1024px) {
  .lp-steps {
    position: absolute;
    left: 0;
    bottom: 0;
    margin-top: 0;
  }
}

.lp-tag {
  display: block;
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

@media (min-width: 1024px) {
  .lp-stage > .lp-tag {
    position: absolute;
    right: 9%;
    width: 300px;
    top: 640px;
    margin-top: 0;
  }
}

/* Scroll story */
.lp-section {
  padding-block: clamp(72px, 10vw, 140px);
}

.lp-rule {
  border-top: 1px solid var(--border);
}

.lp-story {
  display: grid;
  gap: 72px;
  margin-top: clamp(40px, 6vw, 72px);
}

@media (min-width: 1024px) {
  .lp-story {
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: 64px;
  }
}

.lp-beat {
  display: grid;
  gap: 18px;
  scroll-margin-top: 24px;
}

@media (min-width: 1024px) {
  .lp-beat {
    min-height: 78vh;
    align-content: center;
    opacity: 0.4;
    transition: opacity 500ms var(--lp-ease);
  }

  .lp-beat[data-active="true"] {
    opacity: 1;
  }
}

.lp-beat-num {
  font-family: var(--font-mono), monospace;
  font-size: 13px;
  color: var(--accent);
}

.lp-beat .lp-phone {
  margin: 16px auto 0;
  width: min(250px, 64vw);
  --lp-ry: -8deg;
  --lp-rz: 2deg;
}

@media (min-width: 1024px) {
  .lp-beat .lp-phone,
  .lp-beat .lp-tag {
    display: none;
  }
}

.lp-sticky {
  display: none;
}

@media (min-width: 1024px) {
  .lp-sticky {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    align-items: center;
    justify-content: center;
  }

  .lp-sticky .lp-phone {
    width: 320px;
    --lp-ry: -16deg;
    --lp-rz: 4deg;
  }
}

.lp-fade {
  opacity: 0;
  transition: opacity 600ms var(--lp-ease);
}

.lp-fade[data-on="true"] {
  opacity: 1;
}

.lp-empty {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 28px;
}

.lp-empty strong {
  font-family: var(--font-display), sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lp-empty p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

/* Principles: asymmetric, not a card grid */
.lp-split {
  display: grid;
  gap: 56px;
  align-items: center;
}

@media (min-width: 1024px) {
  .lp-split {
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 96px;
  }
}

.lp-split .lp-phone {
  margin-inline: auto;
  width: min(280px, 68vw);
  --lp-ry: 12deg;
  --lp-rz: -3deg;
}

.lp-points {
  display: grid;
  margin-top: 32px;
}

.lp-point {
  display: grid;
  gap: 8px;
  padding-block: 24px;
  border-top: 1px solid var(--border);
}

@media (min-width: 768px) {
  .lp-point {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 32px;
  }
}

.lp-point h3 {
  font-family: var(--font-display), sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

/* Connect band */
.lp-connect {
  display: grid;
  gap: 32px;
}

@media (min-width: 1024px) {
  .lp-connect {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 72px;
    align-items: center;
  }
}

.lp-code {
  font-family: var(--font-mono), monospace;
  font-size: 13px;
  line-height: 1.7;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 20px 22px;
  overflow-x: auto;
  color: var(--foreground);
  scrollbar-color: #3a3530 transparent;
  scrollbar-width: thin;
}

.lp-code .k {
  color: var(--muted);
}

.lp-code .v {
  color: var(--accent-2);
}

.lp-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-block: 32px 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

.lp-footer a {
  color: var(--muted);
}

.lp-footer a:hover {
  color: var(--foreground);
}

@media (prefers-reduced-motion: reduce) {
  .lp *,
  .lp *::before,
  .lp *::after {
    transition-duration: 1ms !important;
  }
}

/* Docs (read mode) */
.lp-docs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-block: 16px 96px;
}

.lp-docs > * {
  min-width: 0;
}

@media (min-width: 1024px) {
  .lp-docs {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 72px;
    padding-top: 40px;
  }
}

.lp-docnav {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.lp-docnav summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 18px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
}

.lp-docnav summary::-webkit-details-marker {
  display: none;
}

.lp-docnav summary::after {
  content: "+";
  color: var(--muted);
}

.lp-docnav[open] summary::after {
  content: "−";
}

.lp-docnav ul {
  list-style: none;
  margin: 0;
  padding: 0 8px 10px;
  display: grid;
  gap: 2px;
}

.lp-docnav a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  transition:
    color 160ms var(--lp-ease),
    background-color 160ms var(--lp-ease);
}

.lp-docnav a:hover {
  color: var(--foreground);
}

.lp-docnav a[aria-current="page"] {
  color: var(--foreground);
  background: var(--surface-2);
  box-shadow: inset 2px 0 0 var(--accent);
}

@media (min-width: 1024px) {
  .lp-docnav {
    position: sticky;
    top: 24px;
    align-self: start;
    border: 0;
    background: none;
  }

  .lp-docnav summary {
    display: none;
  }

  .lp-docnav ul {
    padding: 0;
  }
}

.lp-prose {
  max-width: 72ch;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: #d9d2ca;
}

.lp-prose h1 {
  font-family: var(--font-display), sans-serif;
  font-weight: 900;
  font-size: clamp(2.1rem, 4.6vw, 3.1rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--foreground);
  text-wrap: balance;
}

.lp-prose h2 {
  font-family: var(--font-display), sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--foreground);
  margin-top: 2.6em;
  scroll-margin-top: 24px;
}

.lp-prose h3 {
  font-weight: 700;
  color: var(--foreground);
  margin-top: 1.8em;
}

.lp-prose p,
.lp-prose ul,
.lp-prose ol,
.lp-prose pre,
.lp-prose table {
  margin-top: 1em;
}

.lp-prose .lp-intro {
  font-size: 1.2rem;
  color: var(--muted);
  margin-top: 0.8em;
}

.lp-prose ul,
.lp-prose ol {
  padding-left: 1.3em;
}

.lp-prose ul {
  list-style: disc;
}

.lp-prose ol {
  list-style: decimal;
}

.lp-prose li + li {
  margin-top: 0.45em;
}

.lp-prose li::marker {
  color: var(--accent);
}

.lp-prose a {
  color: var(--accent-2);
  text-underline-offset: 3px;
}

.lp-prose strong {
  color: var(--foreground);
}

.lp-prose code {
  font-family: var(--font-mono), monospace;
  font-size: 0.86em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  overflow-wrap: anywhere;
}

.lp-prose pre {
  font-family: var(--font-mono), monospace;
  font-size: 13px;
  line-height: 1.65;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 18px 20px;
  overflow-x: auto;
  scrollbar-color: #3a3530 transparent;
  scrollbar-width: thin;
}

.lp-prose pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  overflow-wrap: normal;
}

.lp-prose .lp-callout {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 18px;
  color: var(--muted);
}

.lp-table-wrap {
  overflow-x: auto;
  margin-top: 1em;
}

.lp-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin-top: 0;
}

.lp-prose th,
.lp-prose td {
  text-align: left;
  vertical-align: top;
  padding: 12px 14px 12px 0;
  border-top: 1px solid var(--border);
}

.lp-prose th {
  color: var(--foreground);
  font-weight: 700;
}

.lp-prose td:first-child {
  white-space: nowrap;
}

@media (max-width: 639px) {
  .lp-prose thead {
    display: none;
  }

  .lp-prose tr,
  .lp-prose td {
    display: block;
  }

  .lp-prose tr {
    border-top: 1px solid var(--border);
    padding-block: 12px;
  }

  .lp-prose td {
    border-top: 0;
    padding: 0;
  }

  .lp-prose td + td {
    margin-top: 6px;
  }

  .lp-prose td:first-child {
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

.lp-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-top: 4em;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

@media (max-width: 1023px) {
  .lp-story,
  .lp-split,
  .lp-connect {
    grid-template-columns: minmax(0, 1fr);
  }
}

.lp-story > *,
.lp-split > *,
.lp-connect > * {
  min-width: 0;
}

/* Small utilities that replaced Tailwind classes from the Next version. */
.lp-mt { margin-top: 20px; }
.lp-mw-14 { max-width: 14ch; }
.lp-mw-16 { max-width: 16ch; }
.lp-mw-18 { max-width: 18ch; }
.lp-link { text-underline-offset: 4px; }
.lp-link:hover { text-decoration: underline; }
.lp-prose a { text-decoration: underline; }
.lp-beats { display: grid; gap: 72px; }
.lp-transcript { display: grid; gap: 12px; max-width: 560px; }
.lp-fade { position: absolute; inset: 0; }
.lp-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lp-docnav-lg { display: none; }

@media (min-width: 1024px) {
  .lp-beats { gap: 0; }
  .lp-docnav-sm { display: none; }
  .lp-docnav-lg { display: block; }
}