/* ==========================================================================
   Grupiter landing page — "Orbit"

   Loaded ONLY by Landing.razor, which renders its own <head> and deliberately
   does not pull in bootstrap/app.css/RoundTuit.Web.styles.css: none of the new
   markup uses them, and leaving them out keeps the one public page light.
   Colours come from design-tokens.css; everything here is landing-scoped.
   ========================================================================== */

:root {
  --rt-landing-ease: cubic-bezier(.22, 1, .36, 1);
  --rt-landing-shell: 75rem;
  --rt-landing-nav-h: 4.5rem;

  /* DESIGN.md names IBM Plex Sans as the body face. The authenticated app has never
     actually loaded it (--rt-font-sans is still the system stack), so this is scoped
     to the landing page rather than changing the app-wide token from here. */
  --rt-landing-font-body: "IBM Plex Sans", var(--rt-font-sans);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--rt-color-bg);
  color: var(--rt-color-text);
  font-family: var(--rt-landing-font-body);
  font-size: var(--rt-text-md);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient wash behind everything. Fixed so it does not scroll with content. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(58rem 38rem at 14% -8%, rgba(37, 99, 235, 0.30), transparent 64%),
    radial-gradient(50rem 32rem at 88% 2%, rgba(56, 189, 248, 0.18), transparent 62%),
    radial-gradient(68rem 48rem at 50% 116%, rgba(15, 118, 110, 0.16), transparent 60%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
}

::selection {
  background: rgba(37, 99, 235, .45);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--rt-color-brand-cyan);
  outline-offset: 3px;
  border-radius: var(--rt-radius-sm);
}

.rt-landing-skip {
  position: absolute;
  left: var(--rt-space-4);
  top: -3rem;
  z-index: 100;
  padding: var(--rt-space-2) var(--rt-space-4);
  background: var(--rt-color-surface);
  border: 1px solid var(--rt-glass-stroke-hi);
  border-radius: var(--rt-radius-sm);
  transition: top .2s ease;
}

.rt-landing-skip:focus {
  top: var(--rt-space-4);
}

/* ------------------------------------------------------------------ layout */
.rt-landing-shell {
  width: 100%;
  max-width: var(--rt-landing-shell);
  margin-inline: auto;
  padding-inline: var(--rt-space-5);
}

main,
footer,
header {
  position: relative;
  z-index: 1;
}

.rt-landing-section {
  padding-block: clamp(4rem, 9vw, 7.5rem);
}

.rt-landing-section[id] {
  scroll-margin-top: var(--rt-landing-nav-h);
}

/* -------------------------------------------------------------- typography */
.rt-landing h1,
.rt-landing h2,
.rt-landing h3 {
  font-family: var(--rt-font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
  text-wrap: balance;
}

.rt-landing h2 {
  font-size: clamp(2rem, 4.6vw, 3.25rem);
}

.rt-landing h3 {
  font-size: var(--rt-text-lg);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.rt-landing-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--rt-space-2);
  font-family: var(--rt-font-display);
  font-size: var(--rt-text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rt-color-brand-cyan);
}

.rt-landing-eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rt-color-brand-cyan));
}

.rt-landing-lede {
  color: var(--rt-color-text-muted);
  font-size: clamp(1.0625rem, 1.5vw, 1.1875rem);
  max-width: 42rem;
  text-wrap: pretty;
}

.rt-landing-section-head {
  max-width: 46rem;
  margin-bottom: clamp(2.25rem, 4.5vw, 3.5rem);
}

.rt-landing-section-head h2 {
  margin: var(--rt-space-4) 0;
}

.rt-landing-section-head--center {
  margin-inline: auto;
  text-align: center;
}

.rt-landing-section-head--center .rt-landing-lede {
  margin-inline: auto;
}

.rt-landing-grad-text {
  background: var(--rt-grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ------------------------------------------------------------------- glass */
.rt-landing-glass {
  position: relative;
  background: var(--rt-glass-bg);
  border: 1px solid var(--rt-glass-stroke);
  border-radius: var(--rt-radius-lg);
  backdrop-filter: var(--rt-glass-blur);
  -webkit-backdrop-filter: var(--rt-glass-blur);
}

.rt-landing-glass::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  border-radius: inherit;
  opacity: .7;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .32), transparent);
}

/* ----------------------------------------------------------------- buttons */
.rt-landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--rt-space-2);
  font-family: var(--rt-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding: 0.8125rem var(--rt-space-5);
  border: 1px solid var(--rt-glass-stroke-hi);
  border-radius: var(--rt-radius-full);
  background: var(--rt-glass-bg-hover);
  color: var(--rt-color-text);
  cursor: pointer;
  white-space: nowrap;
  transition: transform .35s var(--rt-landing-ease), box-shadow .35s var(--rt-landing-ease),
              background-color .3s ease, border-color .3s ease;
}

.rt-landing-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, .1);
}

.rt-landing-btn:active {
  transform: translateY(0);
}

.rt-landing-btn--primary {
  border-color: transparent;
  background: var(--rt-grad-brand);
  color: #04101f;
  box-shadow: 0 0.75rem 2rem -0.75rem rgba(37, 99, 235, .85), var(--rt-glow-primary);
}

.rt-landing-btn--primary:hover {
  box-shadow: 0 1.125rem 2.75rem -0.75rem rgba(37, 99, 235, 1), 0 0 4.5rem rgba(56, 189, 248, .35);
}

.rt-landing-btn--ghost {
  background: transparent;
}

.rt-landing-btn--lg {
  padding: 0.9375rem 1.75rem;
  font-size: var(--rt-text-md);
}

.rt-landing-btn--block {
  width: 100%;
}

.rt-landing-arrow {
  transition: transform .35s var(--rt-landing-ease);
}

.rt-landing-btn:hover .rt-landing-arrow {
  transform: translateX(3px);
}

/* ------------------------------------------------------------------ navbar */
.rt-landing-nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-block: var(--rt-space-3);
  border-bottom: 1px solid transparent;
  transition: background-color .4s ease, backdrop-filter .4s ease, border-color .4s ease;
}

.rt-landing-nav-wrap.is-stuck {
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(1.125rem) saturate(160%);
  -webkit-backdrop-filter: blur(1.125rem) saturate(160%);
  border-bottom-color: var(--rt-glass-stroke);
}

.rt-landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rt-space-5);
  height: 3rem;
}

.rt-landing-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--rt-space-3);
  font-family: var(--rt-font-display);
  font-size: var(--rt-text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.rt-landing-brand-mark {
  width: 2.125rem;
  height: 2.125rem;
  flex: none;
  border-radius: var(--rt-radius-full);
  display: grid;
  place-items: center;
  background: radial-gradient(120% 120% at 32% 26%, var(--rt-color-brand-cyan-soft), var(--rt-color-primary) 62%, #0b2f6b);
  box-shadow: var(--rt-glow-primary);
  transition: transform .6s var(--rt-landing-ease), box-shadow .6s var(--rt-landing-ease);
}

.rt-landing-brand:hover .rt-landing-brand-mark {
  transform: rotate(18deg) scale(1.06);
  box-shadow: var(--rt-glow-cyan);
}

.rt-landing-brand-mark svg {
  width: 1.375rem;
  height: 1.375rem;
  overflow: visible;
}

.rt-landing-nav-links {
  display: flex;
  align-items: center;
  gap: var(--rt-space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.rt-landing-nav-links > li:not(.rt-landing-nav-cta-item) > a {
  display: block;
  position: relative;
  padding: var(--rt-space-2) var(--rt-space-3);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--rt-color-text-muted);
  border-radius: var(--rt-radius-full);
  transition: color .25s ease, background-color .25s ease;
}

.rt-landing-nav-links > li:not(.rt-landing-nav-cta-item) > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.25rem;
  width: 0;
  height: 1px;
  background: var(--rt-grad-brand);
  transform: translateX(-50%);
  transition: width .35s var(--rt-landing-ease);
}

.rt-landing-nav-links > li:not(.rt-landing-nav-cta-item) > a:hover {
  color: var(--rt-color-text);
  background: var(--rt-glass-bg);
}

.rt-landing-nav-links > li:not(.rt-landing-nav-cta-item) > a:hover::after {
  width: 45%;
}

.rt-landing-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--rt-space-2);
}

.rt-landing-nav-cta-item {
  display: none;
}

.rt-landing-nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid var(--rt-glass-stroke);
  border-radius: var(--rt-radius-sm);
  background: var(--rt-glass-bg);
  color: var(--rt-color-text);
  cursor: pointer;
}

.rt-landing-nav-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.rt-landing-nav-toggle .rt-landing-icon-close {
  display: none;
}

.rt-landing-nav-toggle[aria-expanded="true"] .rt-landing-icon-close {
  display: block;
}

.rt-landing-nav-toggle[aria-expanded="true"] .rt-landing-icon-open {
  display: none;
}

@media (max-width: 56rem) {
  .rt-landing-nav-links,
  .rt-landing-nav-actions > .rt-landing-btn {
    display: none;
  }

  .rt-landing-nav-toggle {
    display: grid;
  }

  .rt-landing-nav-links.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--rt-space-1);
    position: absolute;
    left: var(--rt-space-5);
    right: var(--rt-space-5);
    top: calc(100% + var(--rt-space-2));
    padding: var(--rt-space-3);
    background: rgba(11, 17, 32, 0.94);
    border: 1px solid var(--rt-glass-stroke);
    border-radius: var(--rt-radius-md);
    backdrop-filter: var(--rt-glass-blur);
    -webkit-backdrop-filter: var(--rt-glass-blur);
    box-shadow: 0 1.5rem 3rem -1rem rgba(0, 0, 0, .75);
  }

  .rt-landing-nav-links.is-open > li:not(.rt-landing-nav-cta-item) > a {
    padding: var(--rt-space-3);
    font-size: var(--rt-text-md);
  }

  .rt-landing-nav-links.is-open > li:not(.rt-landing-nav-cta-item) > a::after {
    display: none;
  }

  .rt-landing-nav-links.is-open .rt-landing-nav-cta-item {
    display: block;
    margin-top: var(--rt-space-2);
    padding-top: var(--rt-space-3);
    border-top: 1px solid var(--rt-glass-stroke);
  }

  .rt-landing-nav-links.is-open .rt-landing-nav-cta-item .rt-landing-btn {
    display: inline-flex;
    width: 100%;
  }
}

/* -------------------------------------------------------------------- hero */
.rt-landing-hero {
  position: relative;
  display: grid;
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(3rem, 6vw, 4.5rem);
  min-height: min(86vh, 46rem);
}

.rt-landing-scene {
  position: absolute;
  inset: -5rem 0 auto 0;
  height: min(102vh, 54rem);
  z-index: 0;
  pointer-events: none;
  mask-image: radial-gradient(54% 54% at 50% 44%, #000 40%, transparent 76%);
  -webkit-mask-image: radial-gradient(54% 54% at 50% 44%, #000 40%, transparent 76%);
}

.rt-landing-scene canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Darkens the mark directly behind the copy so the type stays readable. */
.rt-landing-hero-scrim {
  position: absolute;
  left: 50%;
  top: 45%;
  width: min(58rem, 100%);
  height: 26rem;
  transform: translate(-50%, -50%);
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(2, 6, 23, 0.52) 10%, rgba(2, 6, 23, 0.26) 46%, transparent 78%);
}

.rt-landing-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.rt-landing-hero h1 {
  font-size: clamp(2.4rem, 6.6vw, 4.75rem);
  margin: var(--rt-space-5) auto 0;
  max-width: 24ch;
}

/* Keeps "runs on" together — narrow viewports otherwise orphan "on" onto its own line. */
.rt-landing-hero h1 .rt-landing-grad-text {
  white-space: nowrap;
}

.rt-landing-hero .rt-landing-lede {
  margin: var(--rt-space-5) auto 0;
}

.rt-landing-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--rt-space-3);
  padding: 0.4375rem var(--rt-space-4) 0.4375rem var(--rt-space-3);
  border-radius: var(--rt-radius-full);
  border: 1px solid var(--rt-glass-stroke);
  background: var(--rt-glass-bg);
  backdrop-filter: blur(0.75rem);
  -webkit-backdrop-filter: blur(0.75rem);
  font-size: var(--rt-text-xs);
  font-weight: 500;
  color: var(--rt-color-text-muted);
  transition: border-color .3s ease, color .3s ease, transform .4s var(--rt-landing-ease);
}

.rt-landing-pill:hover {
  border-color: var(--rt-glass-stroke-hi);
  color: var(--rt-color-text);
  transform: translateY(-1px);
}

.rt-landing-pill-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  flex: none;
  background: var(--rt-color-success);
  box-shadow: 0 0 0 0.25rem rgba(22, 163, 74, .18);
  animation: rt-landing-pulse 2.6s ease-in-out infinite;
}

@keyframes rt-landing-pulse {
  0%, 100% { box-shadow: 0 0 0 0.25rem rgba(22, 163, 74, .18); }
  50%      { box-shadow: 0 0 0 0.5rem rgba(22, 163, 74, .04); }
}

.rt-landing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--rt-space-3);
  margin-top: var(--rt-space-6);
}

.rt-landing-note {
  margin-top: var(--rt-space-4);
  font-size: var(--rt-text-xs);
  color: var(--rt-color-text-muted);
}

/* Module strip — real module names, doubling as an index. No fake logos. */
.rt-landing-strip {
  margin-top: clamp(2.75rem, 6vw, 4.5rem);
  text-align: center;
}

.rt-landing-strip > p {
  font-size: var(--rt-text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rt-color-text-muted);
}

.rt-landing-strip ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--rt-space-3) clamp(1rem, 3vw, 2.25rem);
  margin: var(--rt-space-4) 0 0;
  padding: 0;
  list-style: none;
}

.rt-landing-strip li {
  font-family: var(--rt-font-mono);
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  color: rgba(229, 231, 235, 0.48);
  transition: color .3s ease, transform .4s var(--rt-landing-ease);
}

.rt-landing-strip li:hover {
  color: var(--rt-color-text);
  transform: translateY(-2px);
}

/* ----------------------------------------------------------- module cards */
.rt-landing-grid {
  display: grid;
  gap: var(--rt-space-4);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

/* 3+3 rather than a ragged 4+2 row at desktop */
@media (min-width: 64rem) {
  .rt-landing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.rt-landing-card {
  padding: clamp(1.375rem, 2.4vw, 1.75rem);
  overflow: hidden;
  transition: transform .45s var(--rt-landing-ease), background-color .35s ease;
}

.rt-landing-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--rt-grad-hairline);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s ease;
  pointer-events: none;
}

.rt-landing-card:hover {
  transform: translateY(-0.375rem);
  background: var(--rt-glass-bg-hover);
}

.rt-landing-card:hover::after {
  opacity: 1;
}

.rt-landing-card h3 {
  margin: var(--rt-space-5) 0 var(--rt-space-2);
}

.rt-landing-card p {
  color: var(--rt-color-text-muted);
  font-size: 0.9375rem;
}

/* One hue per module. Orange is reserved for AI-touched surfaces (Inventory). */
.rt-landing-icon {
  --rt-landing-icon-hue: var(--rt-color-primary);
  width: 2.875rem;
  height: 2.875rem;
  display: grid;
  place-items: center;
  border-radius: 0.8125rem;
  border: 1px solid color-mix(in srgb, var(--rt-landing-icon-hue) 45%, transparent);
  background: radial-gradient(120% 120% at 30% 20%,
              color-mix(in srgb, var(--rt-landing-icon-hue) 42%, transparent),
              color-mix(in srgb, var(--rt-landing-icon-hue) 10%, transparent) 70%, transparent);
  box-shadow: inset 0 0 1.25rem color-mix(in srgb, var(--rt-landing-icon-hue) 24%, transparent),
              0 0 1.5rem color-mix(in srgb, var(--rt-landing-icon-hue) 16%, transparent);
  transition: box-shadow .45s var(--rt-landing-ease), transform .45s var(--rt-landing-ease);
}

.rt-landing-icon svg {
  width: 1.3125rem;
  height: 1.3125rem;
  stroke: #eaf2ff;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rt-landing-card:hover .rt-landing-icon {
  transform: translateY(-2px) scale(1.05);
  box-shadow: inset 0 0 1.5rem color-mix(in srgb, var(--rt-landing-icon-hue) 34%, transparent),
              0 0 2.75rem color-mix(in srgb, var(--rt-landing-icon-hue) 40%, transparent);
}

.rt-landing-icon--groups     { --rt-landing-icon-hue: var(--rt-color-primary); }
.rt-landing-icon--calendar   { --rt-landing-icon-hue: var(--rt-color-brand-cyan); }
.rt-landing-icon--lists      { --rt-landing-icon-hue: #22c55e; }
.rt-landing-icon--inventory  { --rt-landing-icon-hue: var(--rt-color-accent); }
.rt-landing-icon--529        { --rt-landing-icon-hue: #a78bfa; }
.rt-landing-icon--retirement { --rt-landing-icon-hue: var(--rt-color-secondary); }

/* Deliberately neutral rather than accented: this marks something that is NOT
   here yet, so it must not read as a feature highlight. Orange is reserved for
   AI-touched surfaces and cyan carries the brand, so neither is available. */
.rt-landing-soon-tag {
  display: inline-flex;
  align-items: center;
  margin-left: var(--rt-space-2);
  padding: 0.1875rem var(--rt-space-2);
  font-family: var(--rt-landing-font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--rt-color-text-muted);
  border: 1px solid var(--rt-glass-stroke-hi);
  background: var(--rt-glass-bg);
  border-radius: var(--rt-radius-full);
  vertical-align: 0.15em;
  white-space: nowrap;
}

.rt-landing-ai-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  margin-left: var(--rt-space-2);
  padding: 0.1875rem var(--rt-space-2);
  font-family: var(--rt-landing-font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffd7b0;
  border: 1px solid color-mix(in srgb, var(--rt-color-accent) 45%, transparent);
  background: color-mix(in srgb, var(--rt-color-accent) 14%, transparent);
  border-radius: var(--rt-radius-full);
  vertical-align: 0.15em;
}

/* ------------------------------------------------------- screenshot frames */
.rt-landing-screens {
  display: grid;
  gap: var(--rt-space-4);
  grid-template-columns: 1fr;
}

/* The calendar is the densest real screenshot, so it leads. */
@media (min-width: 64rem) {
  .rt-landing-screens {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .rt-landing-screens > :first-child {
    grid-row: 1 / span 2;
  }
}

.rt-landing-screen {
  overflow: hidden;
  padding: 0;
  margin: 0;
  transition: transform .5s var(--rt-landing-ease), box-shadow .5s var(--rt-landing-ease);
}

.rt-landing-screen:hover {
  transform: translateY(-0.5rem);
  box-shadow: 0 2rem 4rem -1.5rem rgba(2, 6, 23, .9), var(--rt-glow-primary);
}

.rt-landing-screen-chrome {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: var(--rt-space-3) var(--rt-space-4);
  background: rgba(2, 6, 23, .75);
  border-bottom: 1px solid var(--rt-glass-stroke);
}

.rt-landing-screen-chrome span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #334155;
}

.rt-landing-screen-chrome span:first-child {
  background: #475569;
}

.rt-landing-screen img {
  width: 100%;
  height: auto;
}

.rt-landing-screen figcaption {
  padding: var(--rt-space-4);
  font-size: var(--rt-text-sm);
  color: var(--rt-color-text-muted);
  border-top: 1px solid var(--rt-glass-stroke);
}

/* ----------------------------------------------------------- founder note */
.rt-landing-founder {
  margin: 0;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  gap: var(--rt-space-5);
}

.rt-landing-founder p {
  font-size: clamp(1.0625rem, 1.9vw, 1.3125rem);
  line-height: 1.6;
  color: var(--rt-color-text);
  text-wrap: pretty;
}

.rt-landing-founder p + p {
  color: var(--rt-color-text-muted);
  font-size: var(--rt-text-md);
}

.rt-landing-founder-sig {
  display: flex;
  align-items: center;
  gap: var(--rt-space-3);
  font-size: var(--rt-text-sm);
  color: var(--rt-color-text-muted);
}

.rt-landing-founder-sig::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--rt-grad-brand);
}

/* --------------------------------------------------------------- final CTA */
.rt-landing-cta {
  text-align: center;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3.5rem);
  background: radial-gradient(90% 140% at 50% 0%, rgba(37, 99, 235, .24), transparent 62%), var(--rt-glass-bg);
  overflow: hidden;
}

.rt-landing-cta h2 {
  max-width: 26ch;
  margin-inline: auto;
  margin-top: var(--rt-space-4);
}

.rt-landing-cta .rt-landing-lede {
  margin: var(--rt-space-4) auto 0;
}

/* ------------------------------------------------------------------ footer */
.rt-landing-footer {
  border-top: 1px solid var(--rt-glass-stroke);
  margin-top: clamp(3.5rem, 8vw, 6rem);
  padding-block: clamp(2.5rem, 5vw, 3.5rem) var(--rt-space-6);
}

.rt-landing-foot-grid {
  display: grid;
  gap: var(--rt-space-6) var(--rt-space-5);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rt-landing-foot-brand {
  grid-column: 1 / -1;
}

.rt-landing-foot-brand p {
  color: var(--rt-color-text-muted);
  font-size: var(--rt-text-sm);
  margin-top: var(--rt-space-4);
  max-width: 26rem;
}

@media (min-width: 56rem) {
  .rt-landing-foot-grid {
    grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  }

  .rt-landing-foot-brand {
    grid-column: auto;
  }
}

.rt-landing-foot-col h4 {
  margin: 0 0 var(--rt-space-3);
  font-family: var(--rt-font-display);
  font-size: var(--rt-text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rt-landing-foot-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--rt-space-2);
}

.rt-landing-foot-col a {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--rt-color-text-muted);
  transition: color .25s ease, transform .3s var(--rt-landing-ease);
}

.rt-landing-foot-col a:hover {
  color: var(--rt-color-text);
  transform: translateX(2px);
}

.rt-landing-foot-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--rt-space-4);
  justify-content: space-between;
  align-items: center;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: var(--rt-space-5);
  border-top: 1px solid var(--rt-glass-stroke);
  color: var(--rt-color-text-muted);
  font-size: var(--rt-text-xs);
}

/* ------------------------------------------------------------ scroll reveal */
.rt-landing-reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity .8s var(--rt-landing-ease), transform .8s var(--rt-landing-ease);
  transition-delay: var(--rt-landing-delay, 0ms);
  will-change: opacity, transform;
}

.rt-landing-reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .rt-landing-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .rt-landing-pill-dot {
    animation: none;
  }

  .rt-landing-btn,
  .rt-landing-card,
  .rt-landing-icon,
  .rt-landing-screen,
  .rt-landing-foot-col a,
  .rt-landing-brand-mark,
  .rt-landing-strip li {
    transition: none;
  }
}
