/* landing.css — the public marketing page.
 *
 * Colour and typography tokens come from tokens.css (linked first), shared with
 * the console so the brand never drifts between surfaces. This file holds only
 * layout, component styling, and landing-only decorative tokens — it defines no
 * palette of its own. Every colour below resolves to a shared token so light
 * and dark themes both work from one set of rules. */

:root {
  /* Landing-only, non-palette decorative tokens. */
  --shell: min(1180px, calc(100% - 48px));
  --shadow: 0 28px 90px rgba(0, 0, 0, .35);
}

:root[data-theme="light"] {
  --shadow: 0 28px 80px rgba(20, 58, 53, .13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  /* clip, not hidden: hidden makes body a scroll container and breaks the
   * sticky header; clip contains horizontal overflow without doing so. */
  overflow-x: clip;
  background:
    radial-gradient(circle at 9% 7%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 27rem),
    radial-gradient(circle at 92% 19%, color-mix(in srgb, var(--warn) 8%, transparent), transparent 23rem),
    var(--bg);
  color: var(--text);
  font: var(--fs-body)/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  transition: background-color 160ms ease, color 160ms ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.landing-skip {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: -60px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  font-weight: var(--fw-heavy);
  transition: top 160ms ease;
}

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

/* --- header ---------------------------------------------------------------- */

/* Sticky, full-width bar with a blurred translucent background; the content
 * stays aligned to --shell via symmetric padding so it lines up with every
 * section below. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  min-height: 82px;
  padding-inline: max(24px, calc((100% - 1180px) / 2));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
}

.site-brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
}

.landing-logo {
  display: block;
  width: 230px;
  height: 64px;
  object-fit: contain;
  object-position: left center;
}

.landing-logo-light {
  display: none;
}

:root[data-theme="light"] .landing-logo-dark {
  display: none;
}

:root[data-theme="light"] .landing-logo-light {
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
}

.site-nav a,
.site-footer > a:last-child {
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-footer > a:last-child:hover {
  color: var(--text);
}

.header-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

/* Matches the console's .theme-toggle (app.css) so the control is identical
 * across surfaces. */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 8px 11px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  font: var(--fw-semibold) var(--fs-caption)/1 var(--font-sans);
  cursor: pointer;
  white-space: nowrap;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--panel-2);
}

.theme-icon {
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  color: var(--warn);
  font-size: 15px;
}

.nav-signin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 17px;
  border: 1px solid color-mix(in srgb, var(--focus) 40%, transparent);
  border-radius: 9px;
  color: var(--focus);
  font-weight: var(--fw-heavy);
  font-size: var(--fs-small);
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.nav-signin:hover {
  transform: translateY(-1px);
  border-color: var(--focus);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

/* --- hero ------------------------------------------------------------------ */

.hero {
  width: var(--shell);
  margin: 0 auto;
  padding: 24px 0 56px;
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.river-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--focus);
  font-size: var(--fs-caption);
  line-height: 1.2;
  font-weight: var(--fw-heavy);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow:
    0 0 0 5px color-mix(in srgb, var(--ok) 12%, transparent),
    0 0 18px color-mix(in srgb, var(--ok) 40%, transparent);
}

.hero h1 {
  max-width: 640px;
  margin: 0;
  font-size: var(--fs-display);
  line-height: .98;
  letter-spacing: -.045em;
  font-weight: var(--fw-heavy);
  text-wrap: balance;
}

.hero h1 em,
.final-cta h2 em {
  color: var(--focus);
  font-style: normal;
}

.hero-lede {
  max-width: 560px;
  margin: 27px 0 0;
  color: var(--muted);
  font-size: var(--fs-body-lg);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.primary-cta,
.secondary-cta {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 22px;
  border-radius: 9px;
  font-size: var(--fs-small);
  font-weight: var(--fw-heavy);
}

.primary-cta {
  background: var(--accent);
  color: #031a1d;
  box-shadow: 0 12px 38px color-mix(in srgb, var(--accent) 28%, transparent);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

:root[data-theme="light"] .primary-cta {
  color: #ffffff;
}

.primary-cta:hover {
  transform: translateY(-2px);
  background: var(--accent-strong);
  box-shadow: 0 15px 42px color-mix(in srgb, var(--accent) 38%, transparent);
}

.secondary-cta {
  border: 1px solid var(--border);
  color: var(--muted);
  transition: color 160ms ease, border-color 160ms ease;
}

.secondary-cta:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--border) 60%, var(--accent));
}

.hero-proof {
  margin: 27px 0 0;
  padding: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  list-style: none;
  color: var(--muted);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
}

.hero-proof span {
  color: var(--ok);
  margin-right: 5px;
}

/* --- hero signal-river (fluid) --------------------------------------------- *
 * Fully fluid: the container carries an aspect-ratio and a container context,
 * so every child positions in percentages / container units and the whole
 * composition scales together from ~1024px to ultrawide. No fixed pixel
 * offsets, no magic heights. */

.signal-river {
  position: relative;
  container-type: inline-size;
  width: 100%;
  aspect-ratio: 10 / 9;
  isolation: isolate;
}

.signal-river::before {
  content: "";
  position: absolute;
  z-index: -3;
  inset: 4% -3% 4% -5%;
  border: 1px solid color-mix(in srgb, var(--focus) 14%, transparent);
  border-radius: 52% 48% 46% 54% / 46% 43% 57% 54%;
  transform: rotate(-7deg);
  background:
    radial-gradient(circle at 50% 47%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 31%),
    linear-gradient(130deg, color-mix(in srgb, var(--panel-2) 72%, transparent), color-mix(in srgb, var(--bg) 20%, transparent));
  box-shadow:
    inset 0 0 90px color-mix(in srgb, var(--focus) 3%, transparent),
    0 30px 80px rgba(0, 0, 0, .27);
}

.river-orbits,
.river-orbits i {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--focus) 12%, transparent);
  border-radius: 50%;
}

.river-orbits {
  z-index: -1;
  top: 10%;
  left: 14%;
  width: 74cqw;
  height: 74cqw;
  max-width: 560px;
  max-height: 560px;
  animation: river-orbit 34s linear infinite;
}

.river-orbits i:first-child {
  inset: 10%;
}

.river-orbits i:nth-child(2) {
  inset: 22%;
  border-color: color-mix(in srgb, var(--warn) 11%, transparent);
}

.river-orbits i:last-child {
  inset: 34%;
  border-color: color-mix(in srgb, var(--ok) 10%, transparent);
}

.river-live {
  position: absolute;
  z-index: 4;
  top: 5%;
  right: 3%;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid color-mix(in srgb, var(--focus) 18%, transparent);
  border-radius: 999px;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  font-size: var(--fs-caption);
  font-weight: var(--fw-heavy);
  letter-spacing: .1em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.river-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 12px color-mix(in srgb, var(--ok) 75%, transparent);
  animation: river-status 1.9s ease-in-out infinite;
}

.river-flow-line {
  position: absolute;
  z-index: 1;
  left: -1%;
  right: -2%;
  top: 52%;
  height: 18%;
  transform: rotate(-10deg);
}

.river-flow-line::before {
  content: "";
  position: absolute;
  top: 46%;
  left: 0;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--focus) 0%, transparent),
    var(--focus) 18%,
    var(--warn) 58%,
    var(--ok) 88%,
    color-mix(in srgb, var(--ok) 0%, transparent)
  );
  box-shadow:
    0 0 12px color-mix(in srgb, var(--focus) 48%, transparent),
    0 0 38px color-mix(in srgb, var(--focus) 16%, transparent);
}

.river-flow-line::after {
  content: "";
  position: absolute;
  left: 3%;
  right: 2%;
  top: 30%;
  height: 33%;
  border-top: 1px solid color-mix(in srgb, var(--focus) 18%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--focus) 10%, transparent);
  border-radius: 50%;
}

.river-particle {
  --river-size: 6px;
  --river-speed: 5.5s;
  --river-delay: 0s;
  --river-color: var(--focus);
  position: absolute;
  z-index: 2;
  left: 1%;
  top: 50%;
  width: var(--river-size);
  height: var(--river-size);
  border-radius: 50%;
  background: var(--river-color);
  box-shadow: 0 0 12px var(--river-color);
  opacity: 0;
  animation: river-packet var(--river-speed) linear var(--river-delay) infinite;
}

.river-particle:nth-child(2) {
  --river-size: 4px;
  --river-speed: 6.2s;
  --river-delay: -1.1s;
  top: 41%;
}

.river-particle:nth-child(3) {
  --river-size: 8px;
  --river-speed: 6.8s;
  --river-delay: -3.4s;
  top: 62%;
}

.river-particle:nth-child(4) {
  --river-size: 3px;
  --river-speed: 4.9s;
  --river-delay: -2.2s;
  --river-color: var(--warn);
  top: 34%;
}

.river-particle:nth-child(5) {
  --river-speed: 7.2s;
  --river-delay: -5.2s;
  --river-color: var(--warn);
  top: 69%;
}

.river-particle:nth-child(6) {
  --river-size: 5px;
  --river-speed: 5.8s;
  --river-delay: -4.1s;
  --river-color: var(--ok);
  top: 46%;
}

.river-particle:nth-child(7) {
  --river-size: 3px;
  --river-speed: 7.6s;
  --river-delay: -6.2s;
  --river-color: var(--ok);
  top: 58%;
}

.river-particle:nth-child(8) {
  --river-size: 7px;
  --river-speed: 8.1s;
  --river-delay: -3.8s;
  top: 27%;
}

.river-stages {
  position: absolute;
  z-index: 2;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.river-stage {
  --river-accent: var(--focus);
  position: absolute;
  width: clamp(146px, 21cqw, 184px);
  padding: 18px 16px 34px;
  border: 1px solid color-mix(in srgb, var(--river-accent) 50%, transparent);
  border-radius: 21px;
  background: linear-gradient(155deg,
    color-mix(in srgb, var(--panel-2) 96%, var(--accent) 4%),
    var(--panel));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .055),
    0 26px 50px rgba(0, 0, 0, .3),
    0 0 32px color-mix(in srgb, var(--river-accent) 8%, transparent);
  backdrop-filter: blur(14px);
  animation: river-card-float 5.2s ease-in-out infinite;
}

.river-stage-detect {
  left: 1%;
  top: 50%;
}

.river-stage-diagnose {
  --river-accent: var(--warn);
  left: 25%;
  top: 37%;
  animation-delay: -1.15s;
}

.river-stage-approve {
  --river-accent: var(--ok);
  left: 49%;
  top: 24%;
  animation-delay: -2.3s;
}

.river-stage-resolve {
  left: 73%;
  top: 11%;
  animation-delay: -3.45s;
}

.river-stage::after {
  content: "";
  position: absolute;
  right: -30%;
  top: 50%;
  width: 30%;
  height: 1px;
  background: linear-gradient(90deg, var(--river-accent), color-mix(in srgb, var(--focus) 20%, transparent));
  box-shadow: 0 0 9px color-mix(in srgb, var(--river-accent) 50%, transparent);
}

.river-stage::before {
  content: "";
  position: absolute;
  z-index: 3;
  right: -30%;
  top: calc(50% - 3px);
  width: 6px;
  height: 6px;
  border-top: 1px solid var(--river-accent);
  border-right: 1px solid var(--river-accent);
  transform: rotate(45deg);
}

.river-stage:last-child::before,
.river-stage:last-child::after {
  display: none;
}

.river-stage-index {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--river-accent);
  font: var(--fw-heavy) var(--fs-caption)/1 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.river-stage-index span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

.river-stage-symbol {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-top: 22px;
  border: 1px solid color-mix(in srgb, var(--river-accent) 35%, transparent);
  border-radius: 15px;
  color: var(--river-accent);
  background: color-mix(in srgb, var(--river-accent) 6%, var(--panel));
  box-shadow: inset 0 0 20px color-mix(in srgb, var(--river-accent) 5%, transparent);
  font: var(--fw-heavy) 18px/1 var(--font-mono);
}

.river-pulse-symbol i {
  width: 28px;
  height: 14px;
  border-left: 2px solid var(--river-accent);
  border-bottom: 2px solid var(--river-accent);
  transform: skewY(-28deg);
}

.river-stage h2 {
  margin: 18px 0 7px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.05;
  letter-spacing: -.035em;
}

.river-stage p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: 1.45;
}

.river-stage-state {
  position: absolute;
  right: 16px;
  bottom: 15px;
  left: 16px;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 20%, transparent);
}

.river-stage-state::after {
  content: "";
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: var(--river-accent);
  box-shadow: 0 0 10px var(--river-accent);
  animation: river-state-sweep 3.8s ease-in-out infinite alternate;
}

.river-checkpoint {
  position: absolute;
  z-index: 4;
  right: 2%;
  bottom: 2%;
  width: min(320px, 46%);
  padding: 15px 17px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 10px;
  border: 1px solid color-mix(in srgb, var(--ok) 22%, transparent);
  border-radius: 15px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  box-shadow: 0 20px 35px rgba(0, 0, 0, .22);
  backdrop-filter: blur(12px);
}

.river-checkpoint-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #102005;
  background: var(--ok);
  box-shadow: 0 0 16px color-mix(in srgb, var(--ok) 28%, transparent);
  font-size: 13px;
  font-weight: 900;
}

.river-checkpoint strong,
.river-checkpoint small {
  display: block;
}

.river-checkpoint strong {
  color: var(--text);
  font-size: var(--fs-small);
  line-height: 1.35;
}

.river-checkpoint small {
  margin-top: 5px;
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: 1.45;
}

/* --- integration strip ----------------------------------------------------- */

.integration-strip {
  width: var(--shell);
  margin: 0 auto;
  padding: 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
}

.integration-strip > p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-caption);
  font-weight: var(--fw-heavy);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.integration-list {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 11px;
  flex-wrap: wrap;
}

.integration-list span {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  font-size: var(--fs-caption);
  font-weight: var(--fw-heavy);
}

/* --- shared section scaffolding -------------------------------------------- */

.workflow-section,
.product-section,
.outcomes-section {
  width: var(--shell);
  margin: 0 auto;
  padding: 96px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-heading.compact {
  margin-bottom: 34px;
}

.section-heading h2,
.final-cta h2 {
  margin: 0;
  font-size: var(--fs-h2);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.section-heading > p:last-child,
.final-cta > div > p:last-child {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: var(--fs-body-lg);
}

/* --- workflow track -------------------------------------------------------- */

.workflow-track {
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  list-style: none;
}

.workflow-track::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 7%;
  top: 64px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 15%, var(--accent) 80%, var(--warn), transparent);
  opacity: .43;
}

.workflow-track::after {
  content: "";
  position: absolute;
  z-index: 3;
  left: 7%;
  top: 60px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--focus);
  box-shadow: 0 0 10px var(--focus), 0 0 21px color-mix(in srgb, var(--focus) 70%, transparent);
  animation: workflow-signal-travel 7s linear infinite;
}

.workflow-track li {
  position: relative;
  min-width: 0;
  padding-right: 25px;
}

.workflow-track li:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 3;
  top: 58px;
  right: 16px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--focus);
  border-right: 2px solid var(--focus);
  opacity: .32;
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--focus) 75%, transparent));
  transform: rotate(45deg);
  animation: workflow-arrow-pulse 2.1s ease-in-out infinite;
}

.workflow-track li:nth-child(2)::after { animation-delay: -.4s; }
.workflow-track li:nth-child(3)::after { animation-delay: -.8s; }
.workflow-track li:nth-child(4)::after { animation-delay: -1.2s; }

.flow-number {
  display: block;
  margin-bottom: 16px;
  color: var(--muted);
  font: var(--fw-bold) var(--fs-caption)/1 var(--font-mono);
}

.flow-icon {
  position: relative;
  z-index: 2;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  color: var(--focus);
  box-shadow: 0 0 0 7px var(--bg);
  font: var(--fw-heavy) 14px/1 var(--font-mono);
}

.workflow-track h3 {
  margin: 21px 0 7px;
  font-size: var(--fs-h3);
}

.workflow-track p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.pulse-icon::before {
  content: "";
  width: 31px;
  height: 13px;
  border-left: 2px solid var(--focus);
  border-bottom: 2px solid var(--focus);
  transform: skewY(-28deg);
}

.pulse-icon i {
  position: absolute;
  right: 11px;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
}

.correlate-icon i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--focus);
}

.correlate-icon i:first-child {
  left: 13px;
  top: 14px;
}

.correlate-icon i:nth-child(2) {
  right: 12px;
  top: 17px;
}

.correlate-icon i:last-child {
  left: 25px;
  bottom: 12px;
  background: var(--ok);
}

.correlate-icon::before,
.correlate-icon::after {
  content: "";
  position: absolute;
  width: 23px;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 55%, transparent);
}

.correlate-icon::before {
  transform: rotate(14deg);
}

.correlate-icon::after {
  transform: rotate(-51deg);
}

.approve-icon {
  color: var(--warn);
  border-color: color-mix(in srgb, var(--warn) 42%, transparent);
}

.resolve-icon {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 35%, transparent);
}

/* --- product grid ---------------------------------------------------------- */

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.feature-card {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  padding: 34px;
  border: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  border-radius: 16px;
  background: linear-gradient(150deg,
    color-mix(in srgb, var(--panel-2) 85%, transparent),
    color-mix(in srgb, var(--panel) 88%, transparent));
  box-shadow: inset 0 1px rgba(255, 255, 255, .025);
}

.feature-card::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -100px;
  top: -110px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  filter: blur(15px);
}

.feature-wide {
  min-height: 390px;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  align-items: center;
}

.feature-copy {
  position: relative;
  z-index: 2;
  max-width: 490px;
}

.feature-kicker,
.outcome-label {
  display: inline-flex;
  padding: 6px 9px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--focus);
  font-size: var(--fs-caption);
  font-weight: var(--fw-heavy);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.feature-kicker.amber {
  background: color-mix(in srgb, var(--warn) 10%, transparent);
  color: var(--warn);
}

.feature-kicker.lime {
  background: color-mix(in srgb, var(--ok) 9%, transparent);
  color: var(--ok);
}

.feature-copy h3,
.outcome-grid h3 {
  margin: 16px 0 10px;
  font-size: var(--fs-h3);
  line-height: 1.12;
  letter-spacing: -.035em;
}

.feature-copy p,
.outcome-grid p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.8;
}

.agent-map {
  position: relative;
  min-height: 320px;
}

.map-core,
.map-node {
  position: absolute;
  z-index: 2;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 15px 38px rgba(0, 0, 0, .2);
}

.map-core {
  left: 50%;
  top: 50%;
  width: 112px;
  height: 112px;
  display: grid;
  place-content: center;
  border-radius: 25px;
  transform: translate(-50%, -50%);
  text-align: center;
  border-color: color-mix(in srgb, var(--focus) 50%, transparent);
  box-shadow: 0 0 0 11px color-mix(in srgb, var(--accent) 4%, transparent), 0 20px 45px rgba(0, 0, 0, .3);
}

.map-core span {
  color: var(--focus);
  font: 900 24px/1 var(--font-mono);
}

.map-core small {
  margin-top: 7px;
  color: var(--muted);
  font-size: var(--fs-caption);
}

.map-node {
  width: 128px;
  min-height: 69px;
  padding: 11px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 4px 8px;
  border-radius: 10px;
}

.map-node b {
  grid-row: 1 / 3;
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--focus);
  font: var(--fw-heavy) var(--fs-caption)/1 var(--font-mono);
}

.map-node span {
  font-size: var(--fs-caption);
  font-weight: var(--fw-heavy);
}

.map-node small {
  color: var(--muted);
  font-size: var(--fs-caption);
}

.node-one {
  left: 7%;
  top: 13%;
}

.node-two {
  right: 3%;
  top: 9%;
}

.node-three {
  left: 2%;
  bottom: 9%;
}

.node-four {
  right: 8%;
  bottom: 6%;
}

.map-link {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  width: 39%;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--focus) 55%, transparent), color-mix(in srgb, var(--focus) 5%, transparent));
  transform-origin: left;
}

.link-one {
  transform: rotate(205deg);
}

.link-two {
  transform: rotate(330deg);
}

.link-three {
  transform: rotate(150deg);
}

.link-four {
  transform: rotate(32deg);
}

.approval-preview,
.audit-preview {
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: 34px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
}

.approval-preview > div:first-child {
  padding: 15px;
  display: flex;
  gap: 10px;
  align-items: center;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
}

.approval-shield {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--warn) 38%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--warn) 8%, transparent);
  color: var(--warn);
  font-weight: 900;
}

.approval-preview p {
  margin: 0;
}

.approval-preview small {
  display: block;
  color: var(--muted);
  font-size: var(--fs-caption);
  font-weight: var(--fw-heavy);
  letter-spacing: .1em;
}

.approval-preview strong {
  display: block;
  margin-top: 3px;
  font-size: var(--fs-small);
}

.approval-preview ul {
  margin: 0;
  padding: 6px 15px;
  list-style: none;
}

.approval-preview li {
  padding: 8px 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
  color: var(--muted);
  font-size: var(--fs-caption);
}

.approval-preview li b {
  color: var(--text);
  font-weight: var(--fw-semibold);
}

.approval-preview .risk-low {
  color: var(--ok);
}

.approval-buttons {
  padding: 11px 15px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.approval-buttons span,
.approval-buttons strong {
  padding: 7px 11px;
  border-radius: 5px;
  font-size: var(--fs-caption);
}

.approval-buttons span {
  border: 1px solid var(--border);
  color: var(--muted);
}

.approval-buttons strong {
  background: var(--accent);
  color: #062025;
}

:root[data-theme="light"] .approval-buttons strong {
  color: #ffffff;
}

.audit-preview {
  padding: 8px 14px;
}

.audit-preview > div {
  position: relative;
  min-height: 47px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
}

.audit-preview > div:last-child {
  border-bottom: 0;
}

.audit-preview i {
  position: relative;
  z-index: 2;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--panel-2);
}

.audit-preview i::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 17px;
  height: 30px;
  border-left: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.audit-preview > div:last-child i::after {
  display: none;
}

.audit-preview .audit-ok {
  border-color: color-mix(in srgb, var(--ok) 40%, transparent);
}

.audit-preview .audit-ok::before {
  content: "✓";
  color: var(--ok);
  font-size: var(--fs-caption);
  font-style: normal;
}

.audit-preview .audit-ai {
  border-color: color-mix(in srgb, var(--focus) 45%, transparent);
}

.audit-preview .audit-ai::before {
  content: "AI";
  color: var(--focus);
  font: var(--fw-heavy) 7px/1 var(--font-mono);
}

.audit-preview .audit-human {
  border-color: color-mix(in srgb, var(--warn) 45%, transparent);
}

.audit-preview .audit-human::before {
  content: "H";
  color: var(--warn);
  font: var(--fw-heavy) 8px/1 var(--font-mono);
}

.audit-preview p {
  margin: 0;
}

.audit-preview strong {
  display: block;
  font-size: var(--fs-caption);
}

.audit-preview small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: var(--fs-caption);
}

.audit-preview time {
  color: var(--muted);
  font: var(--fw-medium) var(--fs-caption)/1 var(--font-mono);
}

/* --- outcomes -------------------------------------------------------------- */

.outcomes-section {
  padding-top: 70px;
}

.outcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.outcome-grid article {
  min-height: 310px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  border-radius: 15px;
  background:
    radial-gradient(circle at 100% 0, color-mix(in srgb, var(--accent) 11%, transparent), transparent 50%),
    color-mix(in srgb, var(--panel) 72%, transparent);
}

.outcome-grid article:nth-child(2) {
  background:
    radial-gradient(circle at 100% 0, color-mix(in srgb, var(--warn) 9%, transparent), transparent 50%),
    color-mix(in srgb, var(--panel) 72%, transparent);
}

.outcome-label.code {
  color: var(--warn);
  background: color-mix(in srgb, var(--warn) 8%, transparent);
}

.outcome-grid h3 {
  max-width: 430px;
  margin-top: 28px;
}

.outcome-grid p {
  max-width: 500px;
}

.outcome-grid a {
  margin-top: auto;
  padding-top: 28px;
  color: var(--focus);
  font-size: var(--fs-small);
  font-weight: var(--fw-heavy);
}

.outcome-grid a span {
  margin-left: 7px;
}

/* --- final CTA ------------------------------------------------------------- */

.final-cta {
  position: relative;
  width: var(--shell);
  min-height: 320px;
  margin: 24px auto 72px;
  overflow: hidden;
  padding: 52px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 50px;
  border: 1px solid color-mix(in srgb, var(--focus) 27%, transparent);
  border-radius: 20px;
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--accent) 18%, var(--panel)), color-mix(in srgb, var(--bg) 55%, var(--panel)));
  box-shadow: 0 30px 80px rgba(0, 0, 0, .22);
}

.final-cta::before,
.final-cta::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--focus) 12%, transparent);
  pointer-events: none;
}

.final-cta::before {
  width: 420px;
  height: 420px;
  right: -210px;
  top: -200px;
  box-shadow: 0 0 0 65px color-mix(in srgb, var(--focus) 3%, transparent), 0 0 0 130px color-mix(in srgb, var(--focus) 2%, transparent);
}

.final-cta::after {
  width: 180px;
  height: 180px;
  left: -90px;
  bottom: -100px;
}

.final-cta > div,
.final-cta > a {
  position: relative;
  z-index: 2;
}

.final-cta h2 {
  max-width: 780px;
}

/* --- footer ---------------------------------------------------------------- */

.site-footer {
  width: var(--shell);
  min-height: 84px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 25px;
  border-top: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  color: var(--muted);
  font-size: var(--fs-caption);
}

.footer-brand .landing-logo {
  width: 145px;
  height: 40px;
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.site-footer > a:last-child {
  justify-self: end;
  color: var(--muted);
  font-weight: var(--fw-heavy);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

/* --- keyframes ------------------------------------------------------------- */

@keyframes workflow-signal-travel {
  0% {
    left: 7%;
    opacity: 0;
    background: var(--focus);
  }
  6% { opacity: 1; }
  48% {
    background: var(--focus);
    box-shadow: 0 0 10px var(--focus), 0 0 21px color-mix(in srgb, var(--focus) 70%, transparent);
  }
  66% {
    background: var(--warn);
    box-shadow: 0 0 10px var(--warn), 0 0 21px color-mix(in srgb, var(--warn) 68%, transparent);
  }
  90% { opacity: 1; }
  100% {
    left: 92%;
    opacity: 0;
    background: var(--ok);
    box-shadow: 0 0 10px var(--ok), 0 0 21px color-mix(in srgb, var(--ok) 68%, transparent);
  }
}

@keyframes workflow-arrow-pulse {
  0%, 100% {
    opacity: .26;
    transform: translateX(-3px) rotate(45deg) scale(.88);
  }
  50% {
    opacity: .9;
    transform: translateX(4px) rotate(45deg) scale(1.12);
  }
}

@keyframes river-packet {
  0% {
    opacity: 0;
    transform: translateX(0) scale(.45);
  }
  8% {
    opacity: .8;
  }
  70% {
    opacity: .9;
  }
  100% {
    opacity: 0;
    transform: translateX(96cqw) scale(1.18);
  }
}

@keyframes river-card-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}

@keyframes river-orbit {
  to {
    transform: rotate(360deg);
  }
}

@keyframes river-status {
  0%, 100% {
    opacity: .55;
    transform: scale(.82);
  }
  50% {
    opacity: 1;
    transform: scale(1.12);
  }
}

@keyframes river-state-sweep {
  from {
    width: 26%;
  }
  to {
    width: 88%;
  }
}

/* --- responsive ------------------------------------------------------------ */

@media (max-width: 1020px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 40px;
    gap: 44px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .signal-river {
    width: min(780px, 100%);
    margin: 0 auto;
  }

  .workflow-track {
    grid-template-columns: repeat(3, 1fr);
    gap: 44px 20px;
  }

  .workflow-track::before,
  .workflow-track::after,
  .workflow-track li::after {
    display: none;
  }

  .feature-wide {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .agent-map {
    min-height: 360px;
  }

  .final-cta {
    padding: 55px;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 70px;
    grid-template-columns: 1fr auto;
  }

  .landing-logo {
    width: 180px;
    height: 50px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    padding: 32px 0 60px;
    gap: 40px;
  }

  /* Flatten the fluid river into a simple stacked grid on phones. */
  .signal-river {
    aspect-ratio: auto;
    container-type: normal;
    display: grid;
    gap: 14px;
    margin-top: 8px;
  }

  .signal-river::before,
  .river-orbits,
  .river-flow-line {
    display: none;
  }

  .river-live {
    position: static;
    justify-self: start;
  }

  .river-stages {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .river-stage {
    position: relative;
    inset: auto;
    left: auto;
    top: auto;
    width: auto;
    min-height: 205px;
    animation: none;
  }

  .river-stage::before,
  .river-stage::after {
    display: none;
  }

  .river-checkpoint {
    position: static;
    width: 100%;
  }

  .integration-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  .integration-list {
    justify-content: flex-start;
  }

  .workflow-section,
  .product-section,
  .outcomes-section {
    padding: 72px 0;
  }

  .workflow-track {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .workflow-track li {
    min-height: 95px;
    padding: 0 0 0 82px;
  }

  .flow-number {
    position: absolute;
    left: 0;
    top: -13px;
  }

  .flow-icon {
    position: absolute;
    left: 0;
    top: 14px;
    width: 58px;
    height: 58px;
    box-shadow: none;
  }

  .workflow-track h3 {
    margin-top: 0;
  }

  .product-grid,
  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 480px;
    padding: 26px;
  }

  .feature-wide {
    min-height: 590px;
  }

  .approval-preview,
  .audit-preview {
    left: 26px;
    right: 26px;
    bottom: 26px;
  }

  .outcome-grid article {
    min-height: 290px;
    padding: 30px;
  }

  .final-cta {
    padding: 38px 26px;
    margin-bottom: 52px;
  }

  .site-footer {
    padding: 20px 0;
    grid-template-columns: 1fr auto;
  }

  .site-footer p {
    display: none;
  }
}

@media (max-width: 520px) {
  .nav-signin {
    padding: 8px 12px;
  }

  .hero-actions > a {
    width: 100%;
  }

  .hero-proof {
    display: grid;
    gap: 8px;
  }

  .river-stages {
    grid-template-columns: 1fr;
  }

  .integration-list span {
    flex: 1 1 29%;
    text-align: center;
  }

  .feature-wide {
    min-height: 650px;
  }

  .agent-map {
    min-height: 420px;
    transform: scale(.9);
  }

  .node-one { left: -5%; }
  .node-two { right: -5%; }
  .node-three { left: -7%; }
  .node-four { right: -4%; }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}