/* Reverser Space landing page system
   This file is the single presentation layer for the homepage. It loads after
   the shared site styles so legacy landing experiments cannot change its scale,
   geometry, or responsive rhythm. */

body[data-page="landing"] {
  --ground: #000;
  --panel: #020404;
  --panel-hi: #050809;
  --rule: #20272a;
  --rule-strong: #394345;
  --white: #eef4f2;
  --text: #a6b0ae;
  --dim: #727d7b;
  --dimmer: #47514f;
  --cyan: #14fcfc;
  --magenta: #fc3af0;
  --amber: #fbfc46;
  --display: "RSPlexDisplay", "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  --sans: "RSPlexSans", "IBM Plex Sans", system-ui, sans-serif;
  --mono: "RSPlexMono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --page-pad: clamp(1rem, 3vw, 2.5rem);
  --section-pad: clamp(4rem, 7vw, 6rem);

  --text-label: .75rem;
  --text-small: .8125rem;
  --text-body: 1rem;
  --text-lead: clamp(1.0625rem, .35vw + 1rem, 1.25rem);
  --text-h3: clamp(1.5rem, 2.3vw, 2rem);
  --text-h2: clamp(2.5rem, 4.5vw, 4.5rem);
  --text-h1: clamp(3.5rem, 7vw, 6.5rem);

  margin: 0;
  background: var(--ground);
  color: var(--text);
  color-scheme: dark;
}

body[data-page="landing"] .rs {
  min-height: 100vh;
  overflow: hidden;
  background: var(--ground);
  color: var(--text);
  font: 400 var(--text-body)/1.65 var(--sans);
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body[data-page="landing"] .wrap {
  width: 100%;
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

body[data-page="landing"] h1,
body[data-page="landing"] h2,
body[data-page="landing"] h3 {
  margin: 0;
  color: var(--white);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: .95;
  text-transform: none;
}

body[data-page="landing"] h2 {
  font-size: var(--text-h2);
}

body[data-page="landing"] h3 {
  font-size: var(--text-h3);
  line-height: 1.05;
}

body[data-page="landing"] p {
  margin: 0;
}

body[data-page="landing"] .lede {
  max-width: 58ch;
  margin: 0;
  color: var(--text);
  font: 400 var(--text-lead)/1.65 var(--sans);
  letter-spacing: 0;
}

body[data-page="landing"] .eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-3);
  color: var(--cyan);
  font: 700 var(--text-label)/1 var(--mono);
  letter-spacing: .12em;
  text-transform: none;
}

body[data-page="landing"] .eyebrow::before {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(20, 252, 252, .55);
  content: "";
}

body[data-page="landing"] .rs a {
  color: var(--cyan);
  border-bottom-color: rgba(20, 252, 252, .36);
}

body[data-page="landing"] .rs a:hover {
  border-bottom-color: var(--cyan);
}

/* Navigation */
body[data-page="landing"] .site-nav,
body[data-page="landing"] .site-nav-inner {
  min-height: 72px;
}

body[data-page="landing"] .site-nav {
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  background: rgba(0, 0, 0, .96);
  box-shadow: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

body[data-page="landing"] .site-nav[data-scrolled] {
  border-bottom-color: var(--rule-strong);
  background: rgba(0, 0, 0, .985);
}

body[data-page="landing"] .site-nav-inner {
  max-width: 1440px;
  gap: var(--space-3);
}

body[data-page="landing"] .site-nav-brand {
  width: 118px;
}

body[data-page="landing"] .site-nav-actions {
  gap: .125rem;
}

body[data-page="landing"] .site-nav-link {
  min-height: 40px;
  padding: .75rem .8rem;
  border: 0 !important;
  border-radius: 0;
  background: transparent;
  color: #858f8d !important;
  font: 700 var(--text-label)/1 var(--mono);
  letter-spacing: .065em;
  text-transform: none;
}

body[data-page="landing"] .site-nav-link:hover,
body[data-page="landing"] .site-nav-link[aria-current="page"] {
  background: var(--panel-hi);
  color: var(--white) !important;
  box-shadow: inset 0 -1px 0 var(--cyan);
}

body[data-page="landing"] .site-nav-actions > a[href*="/login"] {
  margin-left: var(--space-1);
}

body[data-page="landing"] .site-nav-actions > .site-nav-demo,
body[data-page="landing"] .site-nav-actions > .site-nav-app {
  margin-left: .25rem;
  padding-inline: var(--space-2);
  border: 1px solid var(--rule-strong) !important;
  box-shadow: none;
}

body[data-page="landing"] .site-nav-actions > .site-nav-app {
  border-color: var(--white) !important;
  background: var(--white);
  color: #030504 !important;
}

body[data-page="landing"] .site-nav-actions > .site-nav-app:hover {
  border-color: var(--cyan) !important;
  background: var(--cyan);
  color: #001010 !important;
}

body[data-page="landing"] .site-nav-company-panel,
body[data-page="landing"] .site-nav-menu-panel {
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  background: #030505;
  box-shadow: 16px 16px 0 rgba(5, 7, 8, .96);
  backdrop-filter: none;
}

body[data-page="landing"] .site-nav-company-panel a,
body[data-page="landing"] .site-nav-menu-panel .site-nav-link {
  border-radius: 0;
  font: 700 var(--text-label)/1.25 var(--mono);
  letter-spacing: .055em;
  text-transform: none;
}

/* Controls */
body[data-page="landing"] .btn {
  min-height: 50px;
  justify-content: center;
  padding: .9rem 1.25rem;
  border: 1px solid var(--cyan);
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  background: var(--cyan);
  box-shadow: none;
  color: #001010;
  font: 700 var(--text-label)/1 var(--mono);
  letter-spacing: .065em;
  text-transform: none;
  transition: background .18s, border-color .18s, color .18s;
}

body[data-page="landing"] .rs a.btn {
  border-bottom-color: var(--cyan);
  color: #001010;
}

body[data-page="landing"] .btn:hover {
  border-color: var(--white);
  background: var(--white);
  box-shadow: none;
  color: #000;
  transform: none;
}

body[data-page="landing"] .btn-ghost {
  border-color: var(--rule-strong);
  clip-path: none;
  background: #030505;
}

body[data-page="landing"] .rs a.btn-ghost {
  border-bottom-color: var(--rule-strong);
  color: #d5dcda;
}

body[data-page="landing"] .btn-ghost:hover {
  border-color: var(--cyan);
  background: #050909;
  color: var(--cyan);
}

body[data-page="landing"] .ctas {
  gap: var(--space-1);
}

body[data-page="landing"] .cta-note,
body[data-page="landing"] .hero-cta-note {
  color: var(--dim);
  font: 400 var(--text-small)/1.5 var(--sans);
  letter-spacing: 0;
}

/* Hero and live-session rail */
body[data-page="landing"] .hero {
  position: relative;
  min-height: calc(100svh - 126px);
  margin: 0 var(--page-pad);
  padding: clamp(5rem, 9vw, 8rem) clamp(1.5rem, 7vw, 8rem) clamp(4rem, 7vw, 6rem);
  display: grid;
  align-items: center;
  border: 0;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  background:
    radial-gradient(50rem 32rem at 88% 55%, rgba(20, 252, 252, .055), transparent 72%),
    radial-gradient(38rem 28rem at 92% 60%, rgba(252, 58, 240, .035), transparent 74%),
    var(--ground);
  overflow: hidden;
}

body[data-page="landing"] .hero::before {
  content: "RS / Reverse Engineering                    Sys.01";
  position: absolute;
  inset: 0 0 auto;
  height: 34px;
  padding: 0 var(--space-2);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  color: var(--dim);
  filter: none;
  font: 400 .6875rem/34px var(--mono);
  letter-spacing: .12em;
  white-space: pre;
}

body[data-page="landing"] .hero::after {
  display: none;
}

body[data-page="landing"] .hero-center {
  width: 100%;
  max-width: 1120px;
  margin: 0;
  padding: 0;
  align-items: flex-start;
  text-align: left;
  transform: none;
}

body[data-page="landing"] .hero-title {
  max-width: 14ch !important;
  margin: 0 !important;
  color: var(--white);
  font: 700 var(--text-h1)/.9 var(--display) !important;
  letter-spacing: .01em !important;
  text-align: left;
  text-transform: none;
}

body[data-page="landing"] .hero-title span {
  display: inline;
  margin: 0;
  padding: 0;
  background: none;
  color: var(--cyan);
  -webkit-text-fill-color: initial;
}

body[data-page="landing"] .hero-title[data-text]::before,
body[data-page="landing"] .hero-title[data-text]::after {
  display: none;
}

body[data-page="landing"] .hero-center > .lede {
  max-width: 49ch !important;
  margin: var(--space-3) 0 0 !important;
  text-align: left;
}

body[data-page="landing"] .hero-center > .eyebrow {
  margin-bottom: var(--space-2);
}

body[data-page="landing"] .hero-center .ctas {
  justify-content: flex-start;
  margin-top: var(--space-4);
}

body[data-page="landing"] .security-categories {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
  font: 400 .75rem/1.6 var(--mono);
}

body[data-page="landing"] .use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--rule);
  background: var(--rule);
}

body[data-page="landing"] .use-case-card {
  padding: var(--space-3);
  background: var(--ground);
  scroll-margin-top: 7rem;
}

body[data-page="landing"] .use-case-card:last-child {
  grid-column: 1 / -1;
}

body[data-page="landing"] .use-case-card h3 {
  font-size: clamp(1.4rem, 2.1vw, 2rem);
  line-height: 1.15;
}

body[data-page="landing"] .use-case-card > p:last-child {
  color: var(--dim);
  margin-top: 1rem;
}

@media (max-width: 720px) {
  body[data-page="landing"] .use-case-grid { grid-template-columns: 1fr; }
}

body[data-page="landing"] .hero-cta-note {
  margin: var(--space-1) 0 0;
}

body[data-page="landing"] .strip {
  width: auto;
  max-width: none;
  min-height: 54px;
  margin: 0 var(--page-pad);
  padding: .75rem var(--space-2);
  border: 0;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  border-radius: 0;
  background: var(--ground);
  box-shadow: none;
  color: var(--dim);
  font: 400 var(--text-small)/1.35 var(--mono);
  letter-spacing: 0;
  transform: none;
}

body[data-page="landing"] .strip .file {
  color: var(--white);
}

body[data-page="landing"] .pill {
  padding: .25rem .6rem;
  border-color: rgba(251, 252, 70, .4);
  border-radius: 0;
  color: var(--amber);
  font-size: .6875rem;
  text-transform: none;
}

/* Section frame */
body[data-page="landing"] .band {
  position: relative;
  padding-block: var(--section-pad);
  counter-increment: home-band;
  border: 0;
  border-bottom: 1px solid var(--rule);
  background: var(--ground);
}

body[data-page="landing"] .rs {
  counter-reset: home-band;
}

body[data-page="landing"] .band:nth-of-type(even) {
  background: #010202;
}

body[data-page="landing"] .band::before {
  content: "0" counter(home-band);
  position: absolute;
  top: var(--section-pad);
  left: max(var(--page-pad), calc((100vw - 1400px) / 2 + var(--page-pad)));
  z-index: 2;
  color: var(--cyan);
  font: 700 1.25rem/1 var(--display);
}

body[data-page="landing"] .band::after {
  display: none;
}

body[data-page="landing"] .band > .wrap {
  position: relative;
  z-index: 1;
  padding-left: clamp(4.5rem, 8vw, 8rem);
}

/* Problem and investigation loop */
body[data-page="landing"] .category-band {
  padding-top: var(--section-pad);
  background: var(--ground);
}

body[data-page="landing"] .platform-intro {
  width: 100%;
  max-width: none;
  padding-inline: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--rule);
  background: transparent;
}

body[data-page="landing"] .platform-panel {
  min-height: 520px;
  padding: clamp(2rem, 4vw, 3rem);
  border: 0;
  border-radius: 0;
  background: var(--panel);
}

body[data-page="landing"] .platform-panel + .platform-panel {
  border-left: 1px solid var(--rule);
}

body[data-page="landing"] .platform-problem .lede {
  margin-top: auto;
  padding-top: var(--space-5);
  color: var(--text);
}

body[data-page="landing"] .investigation-loop {
  background: #010303;
}

body[data-page="landing"] .investigation-loop h3 {
  max-width: 18ch;
  font-size: var(--text-h3);
}

body[data-page="landing"] .investigation-steps {
  margin-top: auto;
  border-color: var(--rule);
  background: var(--ground);
}

body[data-page="landing"] .investigation-steps li {
  min-height: 88px;
  padding: var(--space-2);
  background: var(--ground);
}

body[data-page="landing"] .investigation-steps li + li,
body[data-page="landing"] .investigation-steps li:nth-child(n + 4) {
  border-color: var(--rule);
}

body[data-page="landing"] .investigation-steps li + li::before {
  display: none;
}

body[data-page="landing"] .investigation-steps span {
  color: var(--dimmer);
  font-size: .6875rem;
}

body[data-page="landing"] .investigation-steps strong {
  color: var(--cyan);
  font: 700 var(--text-label)/1.25 var(--mono);
  letter-spacing: .06em;
  text-transform: none;
}

body[data-page="landing"] .investigation-steps p {
  margin-top: .65rem;
  color: var(--dim);
  font: 400 var(--text-small)/1.5 var(--sans);
}

body[data-page="landing"] .category-links {
  gap: var(--space-2);
  padding-top: var(--space-3);
  font: 700 var(--text-label)/1.5 var(--mono);
  letter-spacing: .04em;
  text-transform: none;
}

/* Feature sections */
body[data-page="landing"] .feature-band {
  overflow: hidden;
}

body[data-page="landing"] .feature-band::before {
  display: none;
}

body[data-page="landing"] .feature-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 7rem);
}

body[data-page="landing"] .feature-heading h2 {
  max-width: 18ch;
}

body[data-page="landing"] .feature-heading .lede {
  max-width: 54ch;
  color: var(--text);
}

body[data-page="landing"] .playwrap,
body[data-page="landing"] .shotwrap {
  margin-top: var(--space-6);
  padding: var(--space-1);
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  background: var(--panel);
}

body[data-page="landing"] .play,
body[data-page="landing"] .shot {
  width: 100%;
  border: 0;
  border-radius: 0;
  background: var(--ground);
  box-shadow: none;
  filter: saturate(.88) contrast(1.03);
}

body[data-page="landing"] .marker {
  border-color: var(--cyan);
  background: var(--ground);
  color: var(--cyan);
  box-shadow: 0 0 14px rgba(20, 252, 252, .28);
}

body[data-page="landing"] .legend,
body[data-page="landing"] .notes.across {
  margin-top: var(--space-3);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--rule);
}

body[data-page="landing"] .legend > div,
body[data-page="landing"] .notes.across > .note {
  min-height: 96px;
  padding: var(--space-2);
  align-items: flex-start;
  background: var(--panel);
  color: var(--dim);
  font: 400 var(--text-small)/1.55 var(--mono);
}

body[data-page="landing"] .legend .k {
  border-radius: 0;
  border-color: rgba(20, 252, 252, .45);
  background: var(--ground);
  color: var(--cyan);
}

body[data-page="landing"] .note .k {
  color: var(--cyan);
  font: 700 var(--text-label)/1.4 var(--mono);
}

/* Capability matrix */
body[data-page="landing"] .capabilities-band {
  background: #010202;
}

body[data-page="landing"] .capability-grid {
  padding-inline: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--rule);
  background: transparent;
}

body[data-page="landing"] .capability-card {
  min-height: 560px;
  padding: clamp(2rem, 3vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 0;
  border-radius: 0;
  background: var(--panel);
}

body[data-page="landing"] .capability-card + .capability-card {
  border-left: 1px solid var(--rule);
}

body[data-page="landing"] .capability-card:nth-child(2) {
  background: #010303;
}

body[data-page="landing"] .capability-card > .eyebrow {
  margin-bottom: var(--space-3);
}

body[data-page="landing"] .capability-card h2 {
  max-width: 12ch;
  min-height: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: .98;
}

body[data-page="landing"] .capability-copy {
  margin-top: auto;
  padding-top: var(--space-5);
  color: var(--text);
  font: 400 var(--text-body)/1.65 var(--sans);
}

body[data-page="landing"] .capability-card .notes {
  font-size: var(--text-small);
}

body[data-page="landing"] .capability-card .notes.across {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border: 0;
  background: none;
}

body[data-page="landing"] .capability-card .notes.across .note {
  min-height: 0;
  padding: 0;
  border: 0;
  background: none;
}

/* Capability brief */
body[data-page="landing"] .brief-band::before {
  display: none;
}

body[data-page="landing"] .brief-card {
  padding: clamp(2rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
  gap: clamp(3rem, 8vw, 8rem);
  border: 1px solid var(--rule);
  background: var(--panel);
}

body[data-page="landing"] .brief-copy h2 {
  max-width: 15ch;
}

body[data-page="landing"] .brief-copy .lede {
  margin: var(--space-3) 0;
}

body[data-page="landing"] .brief-status {
  gap: var(--space-1) var(--space-2);
  margin-bottom: var(--space-3);
  color: var(--dim);
  font: 700 var(--text-label)/1.4 var(--mono);
  letter-spacing: .06em;
  text-transform: none;
}

body[data-page="landing"] .brief-preview {
  min-height: 410px;
  padding: var(--space-3);
  border: 1px solid var(--rule-strong) !important;
  border-radius: 0;
  background-color: var(--ground);
  background-image:
    linear-gradient(rgba(32, 39, 42, .45) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 39, 42, .35) 1px, transparent 1px);
  background-size: 28px 28px;
  box-shadow: 16px 16px 0 #000;
  transform: none;
}

body[data-page="landing"] .brief-preview:hover {
  border-color: var(--cyan) !important;
  transform: translateY(-2px);
}

body[data-page="landing"] .brief-preview-top {
  font-size: .6875rem;
}

body[data-page="landing"] .brief-preview strong,
body[data-page="landing"] .brief-preview em {
  color: var(--white);
  font: 700 clamp(2.5rem, 4vw, 3.5rem)/.86 var(--display);
  letter-spacing: .01em;
  text-transform: none;
}

body[data-page="landing"] .brief-preview em {
  background: none;
  color: var(--cyan);
  -webkit-text-fill-color: initial;
}

body[data-page="landing"] .brief-preview-loop {
  color: var(--cyan);
  font-size: .6875rem;
}

/* Benchmark */
body[data-page="landing"] .benchmark-band {
  background: var(--ground);
}

body[data-page="landing"] .benchmark-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
}

body[data-page="landing"] .benchmark-copy h2 {
  max-width: 10ch;
  font-size: var(--text-h2);
  line-height: .95;
}

body[data-page="landing"] .benchmark-copy .lede {
  margin-top: var(--space-3);
}

body[data-page="landing"] .benchmark-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--panel);
  box-shadow: none;
}

body[data-page="landing"] .benchmark-results div {
  min-height: 152px;
  padding: var(--space-3);
  border-color: var(--rule);
}

body[data-page="landing"] .benchmark-results div:nth-child(odd) {
  border-right-color: var(--rule);
}

body[data-page="landing"] .benchmark-results strong {
  color: var(--cyan);
  font: 700 clamp(2.75rem, 5vw, 4.5rem)/.9 var(--display);
  letter-spacing: .01em;
}

body[data-page="landing"] .benchmark-results span,
body[data-page="landing"] .benchmark-results > p {
  color: var(--dim);
  font: 700 var(--text-label)/1.5 var(--mono);
  letter-spacing: .06em;
  text-transform: none;
}

body[data-page="landing"] .benchmark-results > p {
  border-top: 1px solid var(--rule);
}

/* FAQ */
body[data-page="landing"] .faq {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--rule);
}

body[data-page="landing"] .faq > div {
  min-height: 190px;
  padding: var(--space-3);
  border: 0;
  background: var(--panel);
}

body[data-page="landing"] .faq > div:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

body[data-page="landing"] .faq h3 {
  margin-bottom: var(--space-2);
  color: var(--white);
  font: 700 1.25rem/1.1 var(--display);
  letter-spacing: .01em;
  text-transform: none;
}

body[data-page="landing"] .faq p {
  color: var(--dim);
  font: 400 var(--text-small)/1.65 var(--sans);
}

/* Closing section and footer */
body[data-page="landing"] .close {
  min-height: 640px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(42rem 24rem at 50% 50%, rgba(20, 252, 252, .05), transparent 72%),
    var(--ground);
  text-align: center;
}

body[data-page="landing"] .close h2 {
  max-width: 16ch;
  margin-inline: auto;
  font-size: var(--text-h2);
}

body[data-page="landing"] .close .lede {
  margin: var(--space-3) auto 0;
}

body[data-page="landing"] .close .ctas {
  margin-top: var(--space-4);
}

body[data-page="landing"] .fallback {
  max-width: 46ch;
  margin: var(--space-5) auto 0;
  padding-top: var(--space-3);
  border-color: var(--rule);
}

body[data-page="landing"] .fallback p {
  color: var(--dim);
  font-size: var(--text-small);
}

body[data-page="landing"] .site-footer {
  padding-block: var(--space-6) var(--space-3);
  border-color: var(--rule);
  background: var(--ground);
}

body[data-page="landing"] .footer-grid {
  grid-template-columns: minmax(240px, 1.6fr) repeat(3, minmax(130px, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
}

body[data-page="landing"] .footer-brand strong,
body[data-page="landing"] .footer-column strong {
  color: var(--white);
  font: 700 var(--text-label)/1.4 var(--mono);
  letter-spacing: .08em;
  text-transform: none;
}

body[data-page="landing"] .footer-column a,
body[data-page="landing"] .footer-base {
  color: var(--dim);
  font: 400 var(--text-small)/1.55 var(--mono);
  letter-spacing: 0;
}

body[data-page="landing"] .footer-brand p {
  color: var(--dim);
  font: 400 var(--text-small)/1.55 var(--sans);
  letter-spacing: 0;
}

body[data-page="landing"] .footer-base {
  border-color: var(--rule);
}

@media (max-width: 1080px) {
  body[data-page="landing"] .site-nav,
  body[data-page="landing"] .site-nav-inner {
    min-height: 64px;
  }

  body[data-page="landing"] .site-nav-menu > summary {
    border: 1px solid var(--rule-strong);
    border-radius: 0;
    background: var(--panel);
    color: var(--white);
    font: 700 var(--text-label)/1 var(--mono);
    letter-spacing: .055em;
    text-transform: none;
  }

  body[data-page="landing"] .site-nav-menu-panel {
    top: 64px;
    height: calc(100dvh - 64px);
    background: #020303;
  }
}

@media (max-width: 860px) {
  body[data-page="landing"] {
    --section-pad: 4rem;
  }

  body[data-page="landing"] .platform-intro,
  body[data-page="landing"] .feature-heading,
  body[data-page="landing"] .capability-grid,
  body[data-page="landing"] .brief-card,
  body[data-page="landing"] .benchmark-feature {
    grid-template-columns: 1fr;
  }

  body[data-page="landing"] .platform-panel,
  body[data-page="landing"] .capability-card {
    min-height: 0;
  }

  body[data-page="landing"] .platform-panel + .platform-panel,
  body[data-page="landing"] .capability-card + .capability-card {
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  body[data-page="landing"] .platform-problem .lede,
  body[data-page="landing"] .capability-copy {
    margin-top: var(--space-5);
    padding-top: 0;
  }

  body[data-page="landing"] .feature-heading {
    gap: var(--space-3);
  }

  body[data-page="landing"] .brief-preview {
    min-height: 360px;
  }

  body[data-page="landing"] .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  body[data-page="landing"] {
    --text-h1: clamp(3rem, 14vw, 4.5rem);
    --text-h2: clamp(2.25rem, 11vw, 3.5rem);
    --text-h3: clamp(1.375rem, 7vw, 1.75rem);
    --section-pad: 3rem;
  }

  body[data-page="landing"] .hero {
    min-height: calc(100svh - 118px);
    margin-inline: .625rem;
    padding: 5rem 1.25rem 3rem;
  }

  body[data-page="landing"] .hero-title {
    max-width: 10ch !important;
  }

  body[data-page="landing"] .strip {
    margin-inline: .625rem;
  }

  body[data-page="landing"] .band::before {
    top: var(--section-pad);
    left: 1rem;
  }

  body[data-page="landing"] .band > .wrap {
    padding-right: 1rem;
    padding-left: 3.5rem;
  }

  body[data-page="landing"] .platform-panel,
  body[data-page="landing"] .capability-card,
  body[data-page="landing"] .brief-card {
    padding: var(--space-4) var(--space-3);
  }

  body[data-page="landing"] .playwrap,
  body[data-page="landing"] .shotwrap {
    margin-top: var(--space-5);
  }

  body[data-page="landing"] .legend,
  body[data-page="landing"] .notes.across,
  body[data-page="landing"] .faq {
    grid-template-columns: 1fr;
  }

  body[data-page="landing"] .brief-card {
    gap: var(--space-5);
  }

  body[data-page="landing"] .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  body[data-page="landing"] .hero-title {
    font-size: clamp(2.625rem, 11.8vw, 3.35rem) !important;
  }

  body[data-page="landing"] .strip {
    gap: .55rem;
    font-size: .75rem;
  }

  body[data-page="landing"] .strip > span:nth-child(3) {
    display: none;
  }

  body[data-page="landing"] .faces {
    margin-left: auto;
  }

  body[data-page="landing"] .investigation-steps,
  body[data-page="landing"] .benchmark-results,
  body[data-page="landing"] .footer-grid {
    grid-template-columns: 1fr;
  }

  body[data-page="landing"] .faq > div:last-child:nth-child(odd) {
    grid-column: auto;
  }

  body[data-page="landing"] .investigation-steps li + li {
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  body[data-page="landing"] .benchmark-results div:nth-child(odd) {
    border-right: 0;
  }

  body[data-page="landing"] .benchmark-results div:nth-child(3),
  body[data-page="landing"] .benchmark-results > p {
    grid-column: auto;
  }

  body[data-page="landing"] .brief-preview {
    min-height: 320px;
    padding: var(--space-2);
  }

  body[data-page="landing"] .brief-preview strong,
  body[data-page="landing"] .brief-preview em {
    font-size: clamp(2rem, 10vw, 2.75rem);
  }

  body[data-page="landing"] .close {
    min-height: 560px;
  }

  body[data-page="landing"] .close .ctas {
    align-items: stretch;
    flex-direction: column;
  }

  body[data-page="landing"] .close .btn {
    width: 100%;
  }

  body[data-page="landing"] .footer-base {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-height: 760px) and (min-width: 721px) {
  body[data-page="landing"] .hero {
    padding-block: 4rem 2.5rem;
  }

  body[data-page="landing"] .hero-title {
    font-size: clamp(3.25rem, 5.5vw, 5rem) !important;
  }

  body[data-page="landing"] .hero-center .ctas {
    margin-top: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-page="landing"] .dot,
  body[data-page="landing"] .marker::after {
    animation: none;
  }
}

/* Shared row alignment for table-like grids. Each cell spans its parent's
   declared row count; nested groups can share a subset of those rows.
   Native tables already align their cells and do not need this opt-in. */
@supports (grid-template-rows: subgrid) {
  body[data-page="landing"] [data-align-rows] {
    --align-row-count: 2;
    --align-placement: span var(--align-row-count);
    --align-template: subgrid;
  }

  body[data-page="landing"] [data-align-rows="3"],
  body[data-page="landing"] [data-align-group="3"] {
    --align-row-count: 3;
    --align-placement: span var(--align-row-count);
  }

  body[data-page="landing"] [data-align-rows="5"] {
    --align-row-count: 5;
    --align-placement: span var(--align-row-count);
  }

  body[data-page="landing"] [data-align-rows] > :not([data-align-skip]),
  body[data-page="landing"] [data-align-group] {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--align-template);
    grid-row: var(--align-placement);
    align-items: start;
    min-width: 0;
    min-height: 0;
  }

  body[data-page="landing"] [data-align-rows] > :not([data-align-skip]) {
    row-gap: 0;
  }

  body[data-page="landing"] .notes[data-align-rows] .k {
    margin-bottom: var(--space-1);
  }

  body[data-page="landing"] .capability-copy[data-align-group] {
    margin-top: 0;
  }

  body[data-page="landing"] .platform-intro .investigation-steps {
    margin-top: var(--space-5);
  }

  @media (min-width: 861px) {
    body[data-page="landing"] .platform-problem .lede {
      margin-top: 0;
    }
  }

  /* Once a layout stacks, use natural rows instead of reserving empty slots.
     Nested grids reset their own alignment, so steps can still align in pairs. */
  @media (max-width: 860px) {
    body[data-page="landing"] .platform-intro[data-align-rows],
    body[data-page="landing"] .capability-grid[data-align-rows],
    body[data-page="landing"] .capability-copy[data-align-group] {
      --align-placement: auto;
      --align-template: none;
    }

    body[data-page="landing"] .capability-copy[data-align-group] {
      margin-top: var(--space-5);
    }
  }

  @media (max-width: 720px) {
    body[data-page="landing"] .use-case-grid[data-align-rows],
    body[data-page="landing"] .notes[data-align-rows],
    body[data-page="landing"] .faq[data-align-rows] {
      --align-placement: auto;
      --align-template: none;
    }
  }
}

/* Compact agent chat preview, with a persistent conversation and evidence. */
body[data-page="landing"] .hero { gap: var(--space-5); }

body[data-page="landing"] .agent-preview {
  --agent-progress: 1;
  min-width: 0;
  width: 100%;
  max-width: 640px;
  border: 1px solid #2c383a;
  border-radius: 12px;
  overflow: hidden;
  background: #080d0e;
  box-shadow: 0 24px 80px #0008, 0 0 60px #14fcfc06;
  font: 400 .875rem/1.6 var(--sans);
}

body[data-page="landing"] .agent-preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .875rem 1rem;
  border-bottom: 1px solid #233537;
  background: #0c1b1d;
}

body[data-page="landing"] .agent-preview-brand {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
}

body[data-page="landing"] .agent-preview-brand h2 {
  font: 600 .9375rem/1.3 var(--sans);
  letter-spacing: -.015em;
}

body[data-page="landing"] .agent-preview-brand > span {
  padding-left: .5rem;
  border-left: 1px solid var(--rule-strong);
  color: var(--text);
  font-size: .6875rem;
}

body[data-page="landing"] .agent-animation-toggle {
  flex: none;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--text);
  font-size: 0;
  cursor: pointer;
}

body[data-page="landing"] .agent-animation-toggle::before {
  content: "";
  display: block;
  width: 7px;
  height: 10px;
  margin: auto;
  border-inline: 2px solid currentColor;
}

body[data-page="landing"] .agent-animation-toggle[data-paused="true"]::before {
  width: 0;
  height: 0;
  border: 5px solid transparent;
  border-left: 8px solid currentColor;
  transform: translateX(3px);
}

body[data-page="landing"] .agent-file-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .75rem 1.125rem;
  font: 400 .75rem/1.5 var(--mono);
}

body[data-page="landing"] .agent-file-name { color: var(--white); }
body[data-page="landing"] .agent-file-name::before { content: "[ ] "; color: var(--dim); }

body[data-page="landing"] .agent-run-state {
  color: var(--cyan);
  font: 400 .6875rem/1.5 var(--sans);
}

body[data-page="landing"] .agent-run-progress { height: 2px; background: #1a2426; }
body[data-page="landing"] .agent-run-progress > span {
  display: block;
  height: 100%;
  background: var(--cyan);
  transform-origin: left;
  transform: scaleX(var(--agent-progress));
  transition: transform .15s linear;
}

body[data-page="landing"] .agent-chat-thread {
  height: 320px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #334347 transparent;
}

body[data-page="landing"] .agent-chat-thread:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -2px;
}

body[data-page="landing"] .agent-example-result {
  display: grid;
  gap: 1rem;
  padding: 1.125rem;
}

body[data-page="landing"] .agent-speaker {
  display: block;
  margin-bottom: .4rem;
  color: var(--cyan);
  font: 600 .6875rem/1.4 var(--mono);
}

body[data-page="landing"] .agent-question {
  justify-self: end;
  max-width: 92%;
  padding: .75rem 1rem;
  border: 1px solid #2b3639;
  border-radius: 10px 10px 2px 10px;
  background: #172124;
  color: var(--white);
}

body[data-page="landing"] .agent-question .agent-speaker { display: none; }
body[data-page="landing"] .agent-answer { padding: 0 .25rem; }
body[data-page="landing"] #agent-example-answer { position: relative; }
body[data-page="landing"] .agent-answer-typing { display: none; }
body[data-page="landing"] .is-typing .agent-answer-full { color: transparent; }
body[data-page="landing"] .is-typing .agent-answer-typing { display: block; position: absolute; inset: 0; }

body[data-page="landing"] .is-typing .agent-answer-typing::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: .9em;
  margin-left: 3px;
  background: var(--cyan);
  animation: agent-cursor .7s steps(2, jump-none) infinite;
}

body[data-page="landing"] .agent-workspace-summary {
  padding: .625rem .75rem;
  border: 1px solid #22403d;
  border-radius: 6px;
  background: #0d1b18;
  font-size: .75rem;
  transition: opacity .25s ease;
}

body[data-page="landing"] .agent-workspace-summary .agent-speaker { color: #8edbb9; }
body[data-page="landing"] .is-composing .agent-example-result,
body[data-page="landing"] .is-composing .agent-evidence,
body[data-page="landing"] .is-typing .agent-evidence { visibility: hidden; }
body[data-page="landing"] .is-typing .agent-workspace-summary { opacity: 0; }

body[data-page="landing"] .agent-evidence { margin: 0 1.125rem 1rem; }
body[data-page="landing"] .agent-evidence summary {
  padding: .375rem 0;
  color: var(--cyan);
  font: 400 .75rem/1.5 var(--sans);
  cursor: pointer;
}

body[data-page="landing"] .agent-evidence summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
body[data-page="landing"] .agent-evidence-body { padding-top: .75rem; font-size: .75rem; }
body[data-page="landing"] .agent-evidence-title { color: var(--white); }
body[data-page="landing"] .agent-evidence-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .25rem .75rem;
  margin-bottom: .5rem;
  color: #8edbb9;
  font: 400 .625rem/1.5 var(--mono);
}
body[data-page="landing"] .agent-evidence-location {
  margin-top: .25rem;
  color: var(--dim);
  overflow-wrap: anywhere;
  font: 400 .6875rem/1.5 var(--mono);
}
body[data-page="landing"] .agent-evidence-source {
  display: inline-block;
  margin-top: .75rem;
  color: var(--cyan);
  text-underline-offset: 3px;
}
body[data-page="landing"] .agent-evidence pre {
  margin: .75rem 0;
  padding: .875rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--ground);
  color: var(--white);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 400 .6875rem/1.8 var(--mono);
}
body[data-page="landing"] .agent-evidence code { font: inherit; }

body[data-page="landing"] .agent-compose-area { padding: .75rem 1rem; border-top: 1px solid var(--rule); }
body[data-page="landing"] .agent-prompts { display: flex; flex-wrap: wrap; gap: .375rem; margin-bottom: .5rem; }
body[data-page="landing"] .agent-prompts[hidden],
body[data-page="landing"] .agent-composer[hidden] { display: none; }

body[data-page="landing"] .agent-prompts button {
  min-height: 36px;
  padding: .375rem .625rem;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--text);
  font: 400 .6875rem/1.4 var(--sans);
  cursor: pointer;
}
body[data-page="landing"] .agent-prompts button:hover,
body[data-page="landing"] .agent-prompts button[aria-pressed="true"] {
  color: var(--cyan);
  background: #102226;
  border-color: #244248;
}

body[data-page="landing"] .agent-composer {
  display: flex;
  align-items: center;
  gap: .75rem;
  width: 100%;
  min-height: 46px;
  padding: .375rem .375rem .375rem .875rem;
  border: 1px solid #303c40;
  border-radius: 7px;
  background: #11191c;
  color: var(--text);
  text-align: left;
  font: 400 .8125rem/1.5 var(--sans);
  cursor: pointer;
}
body[data-page="landing"] .agent-composer-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
body[data-page="landing"] .is-composing .agent-composer-text { color: var(--white); }
body[data-page="landing"] .agent-send-icon { padding: .35rem .5rem; border-radius: 4px; background: var(--cyan); color: #002022; font-family: var(--mono); }

body[data-page="landing"] .agent-preview-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .25rem .75rem;
  padding: 0 1rem .75rem;
  color: var(--dim);
  font: 400 .625rem/1.5 var(--sans);
}

@keyframes agent-cursor { to { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  body[data-page="landing"] .agent-workspace-summary,
  body[data-page="landing"] .agent-run-progress > span { transition: none; }
  body[data-page="landing"] .is-typing .agent-answer-typing::after { animation: none; }
}

@media (max-width: 720px) {
  body[data-page="landing"] .agent-chat-thread { height: 370px; }
  body[data-page="landing"] .agent-preview-brand > span { display: none; }
  body[data-page="landing"] .agent-prompts button { min-height: 44px; }
  body[data-page="landing"] .agent-animation-toggle { width: 44px; height: 44px; margin-block: -.5rem; }
}

@media (min-width: 1100px) {
  body[data-page="landing"] .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    padding-inline: clamp(2rem, 4vw, 4rem);
  }
  body[data-page="landing"] .hero-title { font-size: clamp(3.5rem, 5.5vw, 5.5rem) !important; }
}