@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("RESEARCHANDRESOURCES/fonts/plus-jakarta-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Serif";
  src: url("RESEARCHANDRESOURCES/fonts/instrument-serif-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Serif";
  src: url("RESEARCHANDRESOURCES/fonts/instrument-serif-italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #f4f1eb;
  --bg-soft: #fbfaf7;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --surface-dark: rgba(18, 22, 31, 0.92);
  --surface-dark-soft: rgba(29, 34, 45, 0.78);
  --line: rgba(15, 20, 29, 0.1);
  --line-strong: rgba(15, 20, 29, 0.18);
  --ink: #11151d;
  --ink-soft: #445061;
  --ink-muted: #667386;
  --silver: #dce2eb;
  --silver-deep: #8d98a8;
  --orange: #ff6c1f;
  --orange-soft: #ff9d58;
  --orange-faint: rgba(255, 108, 31, 0.16);
  --shadow-lg: 0 42px 120px rgba(19, 24, 33, 0.12);
  --shadow-md: 0 24px 60px rgba(19, 24, 33, 0.09);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1220px;
  --header-height: 92px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 34%),
    radial-gradient(circle at 85% 16%, rgba(255, 150, 86, 0.14), transparent 24%),
    linear-gradient(180deg, #f7f4ef 0%, #f2efe7 52%, #ebe7df 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.68), transparent 28%),
    radial-gradient(circle at 78% 24%, rgba(255, 108, 31, 0.08), transparent 22%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 60%);
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(17, 21, 29, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 21, 29, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 100%);
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  position: relative;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  padding: 7.5rem 0;
}

.section:not(.hero) {
  content-visibility: auto;
  contain-intrinsic-size: 1px 1200px;
}

.section--split {
  padding-top: 5rem;
}

.section--soft {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.18)),
    rgba(255, 255, 255, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.44);
  border-bottom: 1px solid rgba(255, 255, 255, 0.44);
}

.section--dark {
  position: relative;
  color: #f5f7fb;
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 108, 31, 0.2), transparent 20%),
    linear-gradient(135deg, #12161f 0%, #171c26 48%, #262d38 100%);
  overflow: hidden;
}

.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("RESEARCHANDRESOURCES/STREAM-optimized.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.14;
  mix-blend-mode: screen;
  transform: scale(1.18);
}

.section--contact {
  padding-top: 6.5rem;
  padding-bottom: 7.5rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 3rem;
}

.section-heading--compact {
  margin-bottom: 2rem;
}

.section-heading--light h2,
.section-heading--light p {
  color: inherit;
}

.section-tag,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(17, 21, 29, 0.1);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-heading h2,
.hero h1,
.calculator-card h3,
.contact-copy h2 {
  margin: 1rem 0 0.9rem;
  letter-spacing: -0.04em;
}

.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 0.98;
}

.section-heading p,
.hero__lede,
.calculator-card p,
.contact-copy p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 1rem 0 0;
  transition: padding 180ms ease, transform 180ms ease;
}

.site-header.is-scrolled {
  padding-top: 0.45rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  min-height: var(--header-height);
  padding: 0.9rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  background: rgba(247, 244, 238, 0.74);
  backdrop-filter: blur(24px) saturate(1.35);
  box-shadow: 0 18px 40px rgba(18, 22, 31, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand__mark-frame {
  width: 3rem;
  height: 3rem;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(220, 227, 236, 0.92));
  border: 1px solid rgba(17, 21, 29, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 16px 28px rgba(17, 21, 29, 0.08);
  overflow: hidden;
}

.brand__mark {
  width: 90%;
  height: 90%;
  object-fit: contain;
  object-position: center;
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand__text strong {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.brand__text span {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.desktop-nav,
.lang-switch,
.nav__actions,
.footer__nav {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.lang-switch {
  gap: 0.35rem;
}

.lang-switch__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(17, 21, 29, 0.1);
  background: rgba(255, 255, 255, 0.66);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.lang-switch__link:hover,
.lang-switch__link.is-active {
  color: var(--ink);
  border-color: rgba(255, 108, 31, 0.22);
  background: rgba(255, 248, 244, 0.9);
}

.lang-switch--mobile {
  margin-top: 1rem;
}

.desktop-nav a,
.footer__nav a,
.mobile-menu__links a {
  color: var(--ink-soft);
  font-weight: 600;
  transition: color 160ms ease, opacity 160ms ease;
}

.desktop-nav a:hover,
.footer__nav a:hover,
.mobile-menu__links a:hover {
  color: var(--ink);
}

.desktop-nav a.is-active {
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--sm {
  min-height: 2.8rem;
  padding-inline: 1.05rem;
  font-size: 0.94rem;
}

.btn--primary {
  color: white;
  background:
    linear-gradient(135deg, #ff7a22 0%, #ff5a17 52%, #ff7f37 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 18px 32px rgba(255, 108, 31, 0.28);
}

.btn--ghost {
  color: var(--ink);
  border-color: rgba(17, 21, 29, 0.1);
  background: rgba(255, 255, 255, 0.55);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.menu-button {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.menu-button span {
  display: block;
  width: 1rem;
  height: 2px;
  margin: 0.2rem auto;
  background: var(--ink);
  border-radius: 999px;
}

.mobile-menu {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0.85rem auto 0;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 24px;
  background: rgba(247, 244, 238, 0.9);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow-md);
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero {
  position: relative;
  padding: 3rem 0 6.5rem;
}

.hero__ambient {
  position: absolute;
  inset: auto;
  border-radius: 999px;
  filter: blur(20px);
  pointer-events: none;
}

.hero__ambient--left {
  top: 7rem;
  left: 6%;
  width: 18rem;
  height: 18rem;
  background: rgba(255, 255, 255, 0.9);
  opacity: 0.8;
}

.hero__ambient--right {
  top: 10rem;
  right: 4%;
  width: 16rem;
  height: 16rem;
  background: rgba(255, 108, 31, 0.18);
}

.hero__grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 3rem;
  align-items: center;
}

.hero__copy {
  max-width: 42rem;
  padding: 1.4rem 0;
}

.hero h1 {
  max-width: 9ch;
  font-size: clamp(4rem, 7vw, 7.2rem);
  line-height: 0.9;
}

.hero h1 span {
  display: block;
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  color: var(--orange);
}

.hero__mobile-object {
  display: none;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.hero__micro {
  max-width: 32rem;
  margin-top: 1rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.hero__signalbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.2rem;
}

.hero__signal-pill,
.metric-card,
.compare-card,
.architecture-panel,
.engine-card,
.addon-card,
.calculator-card,
.market-card,
.form-card,
.contact-point {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.64));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px) saturate(1.2);
}

.hero__signal-pill {
  min-height: 9.6rem;
  padding: 1.25rem;
  border-radius: 26px;
  display: grid;
  align-content: start;
}

.hero__signal-pill--accent,
.metric-card--accent {
  background:
    linear-gradient(180deg, rgba(255, 244, 235, 0.94), rgba(255, 250, 246, 0.8));
  border-color: rgba(255, 108, 31, 0.24);
}

.hero__signal-pill strong,
.metric-card strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1.5rem;
  letter-spacing: -0.05em;
}

.hero__signal-pill span {
  display: block;
  margin-top: 0.55rem;
  color: var(--ink-soft);
  line-height: 1.55;
  font-size: 0.94rem;
}

.hero__proofline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: 0;
  margin: 1.4rem 0 0;
  list-style: none;
}

.hero__proofline li,
.stage-badge,
.filter-pill,
.engine-card__chips span,
.range-value {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(17, 21, 29, 0.1);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
}

.launch-layout {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 1.5rem;
  align-items: start;
}

.launch-main {
  min-width: 0;
}

.launch-grid,
.fit-list {
  display: grid;
  gap: 1rem;
}

.launch-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.launch-card,
.fit-panel {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.68));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px) saturate(1.2);
}

.launch-card {
  padding: 1.35rem;
  border-radius: 28px;
}

.launch-card span {
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--orange);
}

.launch-card h3,
.fit-panel h3 {
  margin: 0.9rem 0 0.7rem;
  font-size: 1.4rem;
  letter-spacing: -0.035em;
}

.launch-card p,
.fit-panel p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.75;
}

.fit-panel {
  padding: 1.6rem;
  border-radius: 32px;
}

.fit-list {
  margin: 1.15rem 0 0;
  padding-left: 1rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

.fit-panel__action {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.hero__stage {
  position: relative;
  min-height: 47rem;
  padding: 1.4rem;
  border-radius: 44px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 20%, rgba(255, 108, 31, 0.2), transparent 18%),
    radial-gradient(circle at 24% 16%, rgba(255, 255, 255, 0.14), transparent 15%),
    linear-gradient(140deg, #0b1017 0%, #131a25 42%, #1d2532 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 46px 120px rgba(18, 22, 31, 0.26);
  transform-style: preserve-3d;
}

.hero__stage::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
  pointer-events: none;
}

.hero__gridline {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.12), black 28%, rgba(0, 0, 0, 0.16));
  opacity: 0.28;
}

.hero__stream {
  position: absolute;
  inset: -10% -18%;
  background-image: url("RESEARCHANDRESOURCES/STREAM-optimized.webp");
  background-repeat: repeat-x;
  background-size: cover;
  background-position: center;
  mix-blend-mode: screen;
  opacity: 0.5;
  filter: saturate(0.96) brightness(0.92);
  will-change: transform;
}

.hero__stream--one {
  animation: streamDrift 28s linear infinite;
}

.hero__stream--two {
  inset: 4% -24% -4%;
  opacity: 0.22;
  transform: scale(1.04) translateX(-3%);
  animation: streamDriftReverse 34s linear infinite;
}

.hero__stream--three {
  inset: -6% -14%;
  opacity: 0.12;
  filter: blur(22px) brightness(1.08);
  animation: streamPulse 20s ease-in-out infinite;
}

.engine-card__market,
.market-card__eyebrow,
.proof-card__eyebrow,
.compare-card__label,
.hero__floating-label {
  display: inline-flex;
  align-items: center;
  padding: 0.36rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pricing-principle span,
.workflow-step span {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pricing-principle strong {
  display: block;
  margin-top: 0.4rem;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
}

.hero__stage-shell {
  position: relative;
  z-index: 2;
  min-height: calc(47rem - 2.8rem);
}

.hero__stage-head {
  position: absolute;
  top: 1.6rem;
  left: 1.6rem;
  z-index: 3;
  width: min(19rem, 44%);
  padding: 1rem 1.05rem;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 22px 42px rgba(4, 6, 10, 0.28);
  backdrop-filter: blur(18px);
  color: rgba(245, 247, 251, 0.94);
}

.hero__stage-head strong {
  display: block;
  margin-top: 0.85rem;
  font-size: 1.15rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.hero__stage-head p {
  margin: 0.7rem 0 0;
  color: rgba(245, 247, 251, 0.7);
  line-height: 1.6;
  font-size: 0.9rem;
}

.hero__visual-frame {
  position: absolute;
  inset: 5rem 2rem 7rem;
  display: grid;
  place-items: center;
  z-index: 2;
}

.hero__visual-image {
  width: min(100%, 42rem);
  height: auto;
  max-height: 30rem;
  object-fit: contain;
  filter: drop-shadow(0 44px 80px rgba(0, 0, 0, 0.32));
}

.hero__floating-label {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.68);
}

.hero__stage-dock {
  position: absolute;
  left: 1.6rem;
  right: 1.6rem;
  bottom: 1.6rem;
  display: grid;
  grid-template-columns: 0.95fr 1.25fr;
  gap: 0.8rem;
  z-index: 3;
}

.hero__dock-card {
  min-height: 5.8rem;
  padding: 1rem 1.05rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  color: rgba(245, 247, 251, 0.84);
  backdrop-filter: blur(18px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 18px 38px rgba(4, 6, 10, 0.24);
}

.hero__dock-card strong {
  display: block;
  margin-top: 0.7rem;
  font-size: 1rem;
  line-height: 1.28;
  letter-spacing: -0.03em;
}

.compare-grid,
.architecture-grid,
.engine-grid,
.addon-grid,
.market-grid,
.contact-points,
.spec-grid {
  display: grid;
  gap: 1rem;
}

.compare-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.compare-card {
  min-height: 20rem;
  padding: 1.5rem;
  border-radius: 28px;
}

.compare-card__label,
.engine-card__market,
.market-card__eyebrow {
  background: rgba(17, 21, 29, 0.06);
  color: var(--ink-muted);
}

.compare-card--featured {
  border-color: rgba(255, 108, 31, 0.28);
  background:
    linear-gradient(180deg, rgba(255, 245, 238, 0.92), rgba(255, 255, 255, 0.72));
}

.compare-card h3,
.architecture-card h3,
.engine-card h3,
.pricing-principle strong,
.addon-card h3,
.market-card h3,
.contact-point h3,
.proof-card h3,
.faq-item summary,
.form-success h3 {
  margin: 1rem 0 0.8rem;
  letter-spacing: -0.035em;
}

.compare-card h3,
.market-card h3,
.contact-point h3 {
  font-size: 1.45rem;
}

.compare-card ul,
.market-card ul,
.proof-card ul {
  padding-left: 1rem;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.architecture-panel {
  margin-top: 1.3rem;
  padding: 1.75rem;
  border-radius: 32px;
}

.architecture-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.architecture-card {
  padding: 1.35rem;
  border-radius: 24px;
  border: 1px solid rgba(17, 21, 29, 0.08);
  background: rgba(255, 255, 255, 0.5);
}

.architecture-card span {
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--orange);
}

.architecture-card h3 {
  font-size: 1.3rem;
}

.architecture-card p,
.engine-card p,
.addon-card p,
.market-card p,
.contact-point p,
.pricing-principle p,
.proof-card li,
.faq-item p,
.form-note,
.footer__legal {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.75;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.filter-pill {
  border: 0;
}

.filter-pill.is-active {
  background: linear-gradient(135deg, rgba(255, 108, 31, 0.18), rgba(255, 108, 31, 0.08));
  border-color: rgba(255, 108, 31, 0.24);
  color: var(--ink);
}

.engine-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.engine-card {
  padding: 1.4rem;
  border-radius: 28px;
  min-height: 16.5rem;
  display: flex;
  flex-direction: column;
  transition: opacity 180ms ease, transform 180ms ease;
}

.engine-card:hover {
  transform: translateY(-4px);
}

.engine-card.is-hidden {
  display: none;
}

.engine-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.engine-card__footer {
  display: grid;
  gap: 0.9rem;
  margin-top: auto;
  padding-top: 1.2rem;
}

.engine-card__fit {
  color: var(--ink-muted);
  line-height: 1.65;
  font-size: 0.93rem;
}

.engine-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  width: fit-content;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(17, 21, 29, 0.1);
  background: rgba(255, 255, 255, 0.76);
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.engine-card__cta:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 108, 31, 0.28);
  background: rgba(255, 248, 244, 0.94);
}

.pricing-layout,
.proof-layout,
.contact-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.pricing-principles,
.calculator-results {
  display: grid;
  gap: 1rem;
}

.pricing-principles {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.pricing-principle {
  padding: 1.35rem;
  border-radius: 24px;
  border: 1px solid rgba(17, 21, 29, 0.08);
  background: rgba(255, 255, 255, 0.46);
}

.pricing-principle span {
  color: var(--ink-muted);
}

.pricing-principle strong {
  font-size: 1.9rem;
}

.addon-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.addon-card {
  padding: 1.25rem;
  border-radius: 24px;
}

.calculator-card {
  padding: 1.5rem;
  border-radius: 32px;
  position: sticky;
  top: calc(var(--header-height) + 1rem);
}

.calculator-card__head h3 {
  font-size: 2rem;
}

.calculator-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.calculator-form label,
.form-card label {
  display: grid;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 600;
}

select,
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(17, 21, 29, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

select:focus,
input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
input[type="range"]:focus {
  outline: none;
  border-color: rgba(255, 108, 31, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 0 0 4px rgba(255, 108, 31, 0.12);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--orange);
}

.range-value {
  width: fit-content;
  font-size: 0.82rem;
}

.result-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(17, 21, 29, 0.08);
}

.result-row span {
  color: var(--ink-muted);
}

.result-row strong {
  text-align: right;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.calculator-note {
  margin-top: 1rem;
  font-size: 0.92rem;
}

.calculator-cta {
  width: 100%;
  margin-top: 1.1rem;
}

.market-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.spec-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.spec-card {
  position: relative;
  padding: 1.5rem;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.68));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px) saturate(1.2);
}

.spec-card--accent {
  border-color: rgba(255, 108, 31, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 246, 239, 0.92), rgba(255, 255, 255, 0.72));
}

.spec-card__eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.36rem 0.72rem;
  border-radius: 999px;
  background: rgba(17, 21, 29, 0.06);
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.spec-card h3 {
  margin: 1rem 0 0.8rem;
  font-size: 1.4rem;
  letter-spacing: -0.035em;
}

.spec-card p,
.spec-card li {
  color: var(--ink-soft);
  line-height: 1.75;
}

.spec-list {
  margin: 1rem 0 0;
  padding-left: 1rem;
}

.spec-list li + li {
  margin-top: 0.55rem;
}

.spec-list strong {
  color: var(--ink);
}

.market-card {
  padding: 1.55rem;
  border-radius: 28px;
  min-height: 22rem;
}

.market-card p {
  margin-bottom: 1rem;
}

.proof-layout {
  position: relative;
  z-index: 1;
}

.workflow {
  display: grid;
  gap: 0.9rem;
}

.workflow-step,
.proof-card,
.proof-numbers {
  padding: 1.2rem;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
}

.workflow-step p,
.proof-card li {
  color: rgba(245, 247, 251, 0.76);
}

.proof-stack {
  display: grid;
  gap: 1rem;
}

.proof-card__eyebrow {
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.08);
}

.proof-card ul {
  color: rgba(245, 247, 251, 0.8);
}

.proof-card--accent {
  border-color: rgba(255, 108, 31, 0.26);
  background: rgba(255, 108, 31, 0.12);
}

.proof-numbers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.proof-numbers strong {
  display: block;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  letter-spacing: -0.05em;
}

.proof-numbers span {
  color: rgba(245, 247, 251, 0.72);
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  padding: 1.2rem 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68));
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin-top: 0.85rem;
}

.contact-layout {
  align-items: stretch;
}

.contact-points {
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

.contact-point {
  padding: 1.3rem;
  border-radius: 24px;
}

.form-card {
  display: grid;
  align-content: start;
  padding: 1.45rem;
  border-radius: 32px;
}

.form-card__intro {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.15rem;
}

.form-card__intro p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-card form {
  display: grid;
  gap: 1rem;
}

textarea {
  resize: vertical;
  min-height: 10rem;
}

.form-actions {
  display: grid;
  gap: 0.75rem;
}

.form-note {
  font-size: 0.9rem;
}

.field-optional {
  color: var(--ink-muted);
  font-weight: 500;
}

.form-success {
  padding: 2rem 0.6rem 0.4rem;
}

.form-success h3 {
  font-size: 2rem;
}

.site-footer {
  padding: 0 0 2rem;
}

.footer {
  display: grid;
  gap: 1.2rem;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 28px;
  background: rgba(247, 244, 238, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
}

.brand--footer .brand__mark-frame {
  width: 3.25rem;
  height: 3.25rem;
}

.footer__nav {
  flex-wrap: wrap;
}

.footer__legal {
  color: var(--ink-muted);
}

.sticky-mobile-cta {
  position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 40;
  display: none;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  padding: 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(247, 244, 238, 0.86);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 36px rgba(18, 22, 31, 0.14);
  transition: opacity 220ms ease, transform 220ms ease;
}

.sticky-mobile-cta.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.legal-page {
  padding: 2.75rem 0 6rem;
}

.legal-page__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.legal-page__back {
  color: var(--ink-soft);
  font-weight: 600;
}

.legal-page__panel {
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.7));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px) saturate(1.2);
  padding: 2rem;
}

.legal-page__intro {
  max-width: 56rem;
  margin-bottom: 2.25rem;
}

.legal-page__intro h1 {
  margin: 0.8rem 0 0.9rem;
  font-size: clamp(2.4rem, 4vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.legal-page__intro p,
.legal-section p,
.legal-section li {
  color: var(--ink-soft);
  line-height: 1.75;
}

.legal-page__meta {
  color: var(--ink-muted);
  font-size: 0.94rem;
}

.legal-grid {
  display: grid;
  grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 7rem;
  display: grid;
  gap: 0.55rem;
  padding: 1.2rem;
  border-radius: 24px;
  border: 1px solid rgba(17, 21, 29, 0.08);
  background: rgba(255, 255, 255, 0.62);
}

.legal-toc a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
}

.legal-toc a:hover {
  color: var(--ink);
}

.legal-content {
  min-width: 0;
}

.legal-section + .legal-section {
  margin-top: 2rem;
}

.legal-section h2 {
  margin: 0 0 0.9rem;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.legal-section h3 {
  margin: 1.2rem 0 0.6rem;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.legal-section ul {
  margin: 0.85rem 0 0;
  padding-left: 1.15rem;
}

.legal-section li + li {
  margin-top: 0.45rem;
}

.legal-note,
.legal-contact {
  padding: 1rem 1.1rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 108, 31, 0.14);
  background: rgba(255, 247, 240, 0.78);
}

.legal-note {
  margin-top: 1rem;
}

.legal-contact {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.9rem;
}

.legal-contact strong {
  color: var(--ink);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes streamDrift {
  from {
    transform: translate3d(-4%, 0, 0) scale(1.04);
  }
  to {
    transform: translate3d(4%, 0, 0) scale(1.1);
  }
}

@keyframes streamDriftReverse {
  from {
    transform: translate3d(3%, -1%, 0) scale(1.08);
  }
  to {
    transform: translate3d(-5%, 2%, 0) scale(1.14);
  }
}

@keyframes streamPulse {
  0%,
  100% {
    transform: scale(1.08) translateY(-1%);
  }
  50% {
    transform: scale(1.14) translateY(2%);
  }
}

@media (max-width: 1100px) {
  .hero__grid,
  .launch-layout,
  .pricing-layout,
  .proof-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .launch-grid,
  .hero__signalbar,
  .pricing-principles,
  .addon-grid,
  .compare-grid,
  .market-grid,
  .engine-grid,
   .architecture-grid,
   .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calculator-card {
    position: static;
  }
}

@media (max-width: 900px) {
  .desktop-nav,
  .nav__actions {
    display: none;
  }

  .lang-switch:not(.lang-switch--mobile) {
    display: none;
  }

  .menu-button {
    display: inline-grid;
    place-items: center;
  }

  .hero {
    padding-top: 1rem;
  }

  .hero__stage {
    min-height: 42rem;
  }

  .hero__visual-frame {
    inset: 5.6rem 1.4rem 8.2rem;
  }

  .hero__stage-head {
    width: min(18rem, 52%);
  }

  .form-row,
  .launch-grid,
  .hero__signalbar,
  .pricing-principles,
  .addon-grid,
  .compare-grid,
  .market-grid,
  .engine-grid,
  .architecture-grid,
  .proof-numbers,
  .spec-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 76px;
  }

  .section {
    padding: 5.4rem 0;
  }

  body {
    padding-bottom: 5.75rem;
  }

  .container {
    width: min(var(--container), calc(100% - 1.25rem));
  }

  .nav {
    min-height: auto;
    padding: 0.7rem 0.85rem;
  }

  .brand__text span {
    display: none;
  }

  .eyebrow {
    padding: 0.45rem 0.72rem;
    font-size: 0.68rem;
  }

  .hero__copy {
    padding-top: 0.2rem;
  }

  .hero h1 {
    font-size: clamp(2.85rem, 15vw, 3.8rem);
  }

  .hero__mobile-object {
    display: block;
    margin: 1rem 0 1.1rem;
  }

  .hero__mobile-object-shell {
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 1rem;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background:
      radial-gradient(circle at 72% 24%, rgba(255, 108, 31, 0.22), transparent 18%),
      radial-gradient(circle at 22% 18%, rgba(255, 255, 255, 0.12), transparent 16%),
      linear-gradient(140deg, #0b1017 0%, #131a25 42%, #1d2532 100%);
    box-shadow: 0 26px 54px rgba(18, 22, 31, 0.18);
  }

  .hero__mobile-object-shell::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("RESEARCHANDRESOURCES/STREAM-optimized.webp");
    background-size: cover;
    background-position: center;
    opacity: 0.16;
    mix-blend-mode: screen;
  }

  .hero__mobile-object-image {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    max-width: 17rem;
    height: auto;
    aspect-ratio: 1015 / 940;
    margin: 0 auto;
    object-fit: contain;
    object-position: center;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    filter: drop-shadow(0 26px 44px rgba(0, 0, 0, 0.3));
  }

  .hero__lede {
    font-size: 0.98rem;
    line-height: 1.58;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn--ghost,
  .hero__micro,
  .hero__proofline {
    display: none;
  }

  .hero__signalbar {
    margin-top: 1.3rem;
    gap: 0.75rem;
  }

  .hero__signal-pill {
    min-height: auto;
    padding: 1rem;
    border-radius: 22px;
  }

  .hero__signal-pill strong {
    font-size: 1.28rem;
  }

  .btn,
  .btn--sm {
    width: 100%;
  }

  .hero__stage {
    display: none;
  }

  .legal-grid {
    grid-template-columns: 1fr;
  }

  .legal-toc {
    position: static;
  }

  .faq-item,
  .launch-card,
  .fit-panel,
  .form-card,
  .market-card,
  .compare-card,
  .engine-card,
  .architecture-panel,
  .calculator-card {
    border-radius: 24px;
  }

  .sticky-mobile-cta {
    display: block;
  }

  .engine-card__cta {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}