/* ============================================================
   Skala^r Finance Landing — project-local browser prototype
   Visual language: skala-r.ru (deep navy, cyan/teal, thin-line)
   Explicitly NOT PROF-IT GROUP visual system.
   ============================================================ */

:root {
  /* Skala palette (extracted from skala-r.ru) */
  --bg-0: #081021;
  --bg-1: #0a1429;
  --bg-2: #0c1934;
  --bg-3: #102145;
  --cyan: #00bec8;
  --cyan-soft: #9be8ec;
  --teal: #0082b4;
  --sky: #0dc4f0;
  --blue: #0b5ed7;
  --green: #20c997;
  --text: #ffffff;
  --muted: #aab8c6;
  --muted-2: rgba(255, 255, 255, 0.62);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.22);
  --glass: rgba(12, 25, 52, 0.62);

  /* Typography */
  --font: "TT Hoves", "Golos Text", Inter, Arial, sans-serif;

  --container: 1200px;
  --header-h: 72px;
  --radius: 14px;
  --ease: cubic-bezier(0.2, 0, 0, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  color: var(--cyan-soft);
}

h1,
h2,
h3,
p,
ol,
ul {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  padding: 10px 16px;
  background: var(--bg-3);
  color: var(--text);
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 14px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease), transform 0.12s var(--ease);
  white-space: nowrap;
}

.btn--lg {
  padding: 17px 28px;
  font-size: 16px;
}

.btn--sm {
  padding: 10px 16px;
  font-size: 14px;
}

.btn--primary {
  background: var(--cyan);
  color: #04121f;
}

.btn--primary:hover {
  background: var(--cyan-soft);
  color: #04121f;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

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

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.section-head {
  max-width: 780px;
  margin-bottom: 48px;
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head--compact {
  margin-bottom: 36px;
}

.section-title {
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-lead {
  margin-top: 18px;
  font-size: 18px;
  color: var(--muted-2);
  max-width: 720px;
}

.section-head--center .section-lead {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 16, 33, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: var(--text);
}

.brand__mark {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand__caret {
  font-size: 0.55em;
  vertical-align: super;
  color: var(--cyan);
}

.brand__sub {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--text);
}

.site-header__cta {
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle__line {
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  border-top: 1px solid var(--line);
  padding: 16px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-menu__nav a {
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 72px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 70% 20%, rgba(0, 190, 200, 0.12), transparent 65%),
    radial-gradient(ellipse 50% 50% at 15% 80%, rgba(11, 94, 215, 0.1), transparent 60%);
  pointer-events: none;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 190, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 190, 200, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 60% 20%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 80% at 60% 20%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}

.hero__title {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 24px;
  max-width: 13ch;
}

.hero__lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--muted-2);
  max-width: 54ch;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  font-size: 14px;
  color: var(--muted);
}

.hero__trust li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.hero__trust-mark {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  flex: 0 0 auto;
}

.hero__scene {
  position: relative;
}

.scene--hero {
  width: 100%;
  height: auto;
}

/* scene node draw-in (cosmetic, meaning does not depend on it) */
.scene-links line {
  stroke-dasharray: 6 6;
  animation: linkDraw 2.4s var(--ease) forwards;
}

@keyframes linkDraw {
  to {
    stroke-dashoffset: -72;
  }
}

/* ---------- Problem ---------- */
.problem {
  padding: 96px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.problem__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.approach {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.approach--integrated {
  border-color: rgba(0, 190, 200, 0.35);
  background: linear-gradient(160deg, rgba(16, 33, 69, 0.8), rgba(12, 25, 52, 0.6));
}

.approach__title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}

.approach__text {
  color: var(--muted-2);
  margin-bottom: 24px;
  min-height: 3.2em;
}

.approach__scene {
  margin: 0 -8px 22px;
}

.approach__points li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 15px;
}

.approach__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--teal);
}

.approach--integrated .approach__points li::before {
  background: var(--cyan);
}

.problem__takeaway {
  text-align: center;
  font-size: 22px;
  color: var(--muted-2);
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

.problem__takeaway strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

/* ---------- Platform ---------- */
.platform {
  padding: 96px 0;
}

.platform__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 56px;
  align-items: center;
}

.platform__scene {
  position: relative;
}

.scene--platform {
  width: 100%;
  height: auto;
}

.plat-card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--glass);
  border-radius: 10px;
  padding: 24px 26px;
  margin-bottom: 20px;
}

.plat-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plat-card p {
  color: var(--muted);
  font-size: 15px;
}

/* ---------- Validation ---------- */
.validation {
  padding: 96px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.validation__stage {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.stage__rail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.stage__steps {
  display: flex;
  flex: 1;
  gap: 8px;
}

.stage__steps li {
  flex: 1;
  display: flex;
  min-width: 0;
}

.stage__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--muted);
  font-family: var(--font);
  padding: 0;
}

.stage__dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s var(--ease);
  background: var(--bg-0);
}

.stage__label {
  font-size: 12.5px;
  text-align: center;
  line-height: 1.25;
  font-weight: 500;
  color: var(--muted);
}

.stage__step.is-active .stage__dot {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04121f;
}

.stage__step.is-active .stage__label {
  color: var(--text);
  font-weight: 600;
}

.stage__step.is-done .stage__dot {
  border-color: rgba(0, 190, 200, 0.5);
  color: var(--cyan-soft);
}

.stage__static {
  display: none;
}

.stage__static-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(8, 16, 33, 0.45);
  padding: 18px 20px;
}

.stage__static-item span {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  margin-right: 10px;
}

.stage__static-item strong {
  font-size: 15px;
}

.stage__static-item p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.stage__prev,
.stage__next {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--bg-0);
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.stage__prev:hover,
.stage__next:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.stage__prev:disabled,
.stage__next:disabled {
  opacity: 0.35;
  cursor: default;
}

.stage__detail {
  display: grid;
  grid-template-columns: 96px 1fr;
  grid-template-rows: auto auto auto;
  column-gap: 28px;
  align-items: start;
  padding: 4px 8px 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
  min-height: 150px;
}

.stage__detail-num {
  grid-row: 1 / span 2;
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  color: rgba(0, 190, 200, 0.28);
}

.stage__detail-title {
  grid-column: 2;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.stage__detail-text {
  grid-column: 2;
  color: var(--muted-2);
  font-size: 17px;
  max-width: 60ch;
}

.stage__controls {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
}

.stage__play {
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.stage__play:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

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

.validation__classes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.validation__classes li {
  background: rgba(8, 16, 33, 0.55);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}

.validation__classes strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.validation__classes span {
  color: var(--muted);
  font-size: 13.5px;
}

.validation__note {
  font-size: 13.5px;
  color: var(--muted);
  border-left: 2px solid var(--teal);
  padding-left: 14px;
}

/* ---------- Cases ---------- */
.cases {
  padding: 96px 0;
}

.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  display: flex;
  flex-direction: column;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  overflow: hidden;
}

.case-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--teal));
  opacity: 0.85;
}

.case-card__client {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.case-card__title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 14px;
}

.case-card__text {
  color: var(--muted-2);
  font-size: 15px;
  margin-bottom: 22px;
}

.case-card__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 7px 14px;
  margin-bottom: 22px;
}

.status {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  flex: 0 0 auto;
  box-shadow: 0 0 10px rgba(32, 201, 151, 0.7);
}

.case-card__proof {
  margin-top: auto;
  font-size: 14px;
  color: var(--cyan-soft);
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

/* ---------- Trust ---------- */
.trust {
  padding: 72px 0 96px;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}

.trust__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.trust__item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  background: rgba(8, 16, 33, 0.45);
}

.trust__item-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--cyan-soft);
}

.trust__item p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

/* ---------- MSP.BS product spotlight ---------- */
.msp-bs {
  padding: 112px 0 96px;
}

.msp-bs > .container {
  max-width: 1400px;
}

.msp-bs .section-head {
  max-width: 1080px;
  margin-bottom: 56px;
}

.msp-bs .section-title {
  max-width: 22ch;
}

.msp-bs__layout {
  display: grid;
  grid-template-columns: minmax(390px, 0.84fr) minmax(560px, 1.16fr);
  gap: 44px;
  align-items: stretch;
}

.msp-bs__copy {
  display: flex;
}

.msp-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: var(--line);
}

.msp-features li {
  position: relative;
  min-height: 142px;
  padding: 26px 24px 22px 48px;
  background: rgba(8, 16, 33, 0.96);
  transition: background 220ms var(--ease);
}

.msp-features li:hover {
  background: rgba(13, 34, 61, 0.94);
}

.msp-features li::before {
  content: "";
  position: absolute;
  top: 31px;
  left: 24px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 14px rgba(0, 190, 200, 0.18);
}

.msp-features strong {
  display: block;
  font-size: 16px;
  line-height: 1.35;
}

.msp-features span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.msp-bs__scene {
  position: relative;
  min-width: 0;
}

.msp-cutaway {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(240px, 0.92fr);
  gap: 22px;
  min-height: 100%;
  padding: 28px;
  border: 1px solid rgba(13, 196, 240, 0.2);
  border-radius: 20px;
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 190, 200, 0.12), transparent 34%),
    linear-gradient(145deg, rgba(16, 33, 69, 0.78), rgba(8, 16, 33, 0.58));
  box-shadow: inset 0 0 80px rgba(0, 190, 200, 0.045);
}

.msp-cutaway__map {
  position: relative;
  display: grid;
  gap: 12px;
  align-content: center;
  padding: 22px 0;
}

.msp-cutaway__map button {
  appearance: none;
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 92px;
  padding: 20px 48px 20px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(8, 16, 33, 0.78);
  color: var(--text);
  font-family: var(--font);
  text-align: left;
  cursor: pointer;
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease), box-shadow 240ms var(--ease);
}

.msp-cutaway__map button::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: var(--teal);
  transition: background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.msp-cutaway__map button::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 14px;
  height: 14px;
  border-top: 1px solid var(--muted);
  border-right: 1px solid var(--muted);
  transform: translateY(-50%) rotate(45deg);
  opacity: 0.55;
  transition: opacity 220ms var(--ease), border-color 220ms var(--ease), transform 220ms var(--ease);
}

.msp-cutaway__map button:hover,
.msp-cutaway__map button:focus-visible {
  transform: translateX(4px);
  border-color: rgba(0, 190, 200, 0.48);
  outline: none;
}

.msp-cutaway__map button.is-active {
  transform: translateX(8px);
  border-color: var(--cyan);
  background: linear-gradient(90deg, rgba(0, 190, 200, 0.15), rgba(12, 29, 55, 0.92));
  box-shadow: 0 0 34px rgba(0, 190, 200, 0.12);
}

.msp-cutaway__map button.is-active::before {
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(0, 190, 200, 0.72);
}

.msp-cutaway__map button.is-active::after {
  opacity: 1;
  border-color: var(--cyan);
  transform: translate(3px, -50%) rotate(45deg);
}

.msp-cutaway__map span,
.msp-cutaway__map strong {
  display: block;
}

.msp-cutaway__map span {
  color: var(--cyan-soft);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.msp-cutaway__map strong {
  margin-top: 5px;
  font-size: 15px;
  line-height: 1.4;
}

.msp-cutaway__core {
  border-color: rgba(0, 190, 200, 0.34) !important;
}

.msp-cutaway__contour {
  border-style: dashed;
}

.msp-cutaway__readout {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  padding: 34px 30px;
  overflow: hidden;
  border: 1px solid rgba(0, 190, 200, 0.34);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(10, 38, 61, 0.95), rgba(7, 18, 37, 0.94));
}

.msp-cutaway__readout::before {
  content: "";
  position: absolute;
  inset: -40% -80%;
  background: linear-gradient(90deg, transparent 42%, rgba(0, 190, 200, 0.08) 50%, transparent 58%);
  transform: translateX(-38%);
  animation: msp-readout-scan 5.5s linear infinite;
  pointer-events: none;
}

@keyframes msp-readout-scan {
  to { transform: translateX(38%); }
}

.msp-cutaway__readout-label,
.msp-cutaway__readout strong,
.msp-cutaway__readout p,
.msp-cutaway__readout small {
  position: relative;
  z-index: 1;
}

.msp-cutaway__readout-label {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.msp-cutaway__readout strong {
  margin-top: 18px;
  font-size: clamp(24px, 2.1vw, 34px);
  line-height: 1.12;
}

.msp-cutaway__readout p {
  margin-top: 18px;
  color: var(--muted-2);
  font-size: 15px;
  line-height: 1.65;
}

.msp-cutaway__readout small {
  margin-top: auto;
  padding-top: 34px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.msp-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(8, 16, 33, 0.5);
}

.msp-stats li {
  display: flex;
  flex-direction: column;
  min-height: 138px;
  padding: 24px 26px;
  border-right: 1px solid var(--line);
}

.msp-stats li:last-child {
  border-right: 0;
}

.msp-stats__value {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
}

.msp-stats__unit {
  margin-top: 4px;
  color: var(--cyan-soft);
  font-size: 13px;
  font-weight: 600;
}

.msp-stats__label {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.msp-promise {
  margin-top: 14px;
  padding: 14px 22px;
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, rgba(0, 130, 180, 0.14), transparent 86%);
  color: var(--cyan-soft);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

/* ---------- Problem bridge ---------- */
.problem__bridge {
  max-width: 760px;
  margin: 26px auto 0;
  text-align: center;
  color: var(--muted-2);
  font-size: 17px;
}

.problem__link {
  display: inline-block;
  margin-top: 10px;
  font-weight: 700;
  color: var(--cyan-soft);
}

.problem__link:hover {
  color: var(--text);
}

/* ---------- MSP.BS scenarios ---------- */
.scenarios {
  padding: 96px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.scenario {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: rgba(8, 16, 33, 0.46);
}

.scenario__switch {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}

.scenario__switch button {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: 600 16px/1.3 var(--font);
  text-align: left;
  cursor: pointer;
  transition: color 220ms var(--ease), background 220ms var(--ease);
}

.scenario__switch button:last-child {
  border-bottom: 0;
}

.scenario__switch button span {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.scenario__switch button:hover {
  color: var(--text);
  background: rgba(0, 190, 200, 0.04);
}

.scenario__switch button.is-active {
  color: var(--text);
  background: linear-gradient(90deg, rgba(0, 190, 200, 0.1), transparent);
}

.scenario__switch button.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
}

.scenario__panel {
  padding: 40px;
}

.scenario__content {
  display: none;
}

.scenario__content.is-active {
  display: block;
  animation: scenario-in 260ms var(--ease);
}

@keyframes scenario-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.scenario__kicker {
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scenario__title {
  max-width: 28ch;
  margin-bottom: 22px;
  font-size: 26px;
  line-height: 1.25;
}

.scenario__points {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.scenario__points li {
  position: relative;
  padding-left: 24px;
  color: var(--muted-2);
  font-size: 15px;
}

.scenario__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.scenario__claim {
  padding: 16px 18px;
  border-left: 3px solid var(--cyan);
  background: rgba(0, 190, 200, 0.06);
  color: var(--cyan-soft);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

/* ---------- Ecosystem / compatibility strip ---------- */
.ecosystem {
  padding: 72px 0;
}

.ecosystem__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: 28px 32px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(8, 16, 33, 0.45);
}

.ecosystem__title {
  max-width: 46ch;
  font-size: 18px;
  line-height: 1.4;
}

.ecosystem__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  max-width: 480px;
}

.ecosystem__list li {
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--cyan-soft);
  font-size: 13.5px;
  font-weight: 600;
}

/* ---------- Cases common CTA ---------- */
.cases__cta {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* ---------- Next / CTA ---------- */
.next {
  padding: 96px 0 88px;
}

.next__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0 40px;
}

.next__step {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}

.next__step-num {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  border: 1px solid rgba(0, 190, 200, 0.4);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 18px;
}

.next__step-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.next__step p {
  color: var(--muted);
  font-size: 15px;
}

.next__step-result {
  margin-top: 14px;
  color: var(--cyan-soft) !important;
  font-size: 14px !important;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.next__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 64px;
}

/* ---------- Form ---------- */
.form-panel {
  max-width: 760px;
  margin: 0 auto;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.form-panel__title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-panel__sub {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 28px;
}

.lead-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: block;
  margin-bottom: 18px;
}

.field__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 7px;
}

.field__input {
  width: 100%;
  background: var(--bg-0);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  padding: 13px 14px;
  transition: border-color 0.18s var(--ease);
}

.field__input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.field__input:focus {
  outline: none;
  border-color: var(--cyan);
}

.field__input[aria-invalid="true"] {
  border-color: #ff6b6b;
}

.field__error {
  display: none;
  font-size: 12.5px;
  color: #ff8f8f;
  margin-top: 6px;
}

.field--invalid .field__error {
  display: block;
}

.lead-form__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.lead-form__consent {
  font-size: 12.5px;
  color: var(--muted);
  max-width: 44ch;
}

.form-success {
  text-align: center;
  padding: 32px 12px;
}

.form-success__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 10px;
}

.form-success p:last-child {
  color: var(--muted);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  background: var(--bg-0);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.site-footer__brand p,
.site-footer__meta p {
  color: var(--muted);
  font-size: 13.5px;
  margin-top: 8px;
}

.site-footer__meta {
  text-align: right;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .site-nav {
    gap: 18px;
  }

  .site-nav a {
    font-size: 13px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__scene {
    max-width: 620px;
  }

  .platform__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .platform__scene {
    max-width: 640px;
  }

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

  .msp-bs__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .msp-bs__scene {
    max-width: none;
  }

  .msp-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .msp-stats li:nth-child(2) {
    border-right: 0;
  }

  .msp-stats li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .scenario__switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .scenario__switch button {
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .scenario__switch button:nth-child(even) {
    border-right: 0;
  }

  .scenario__switch button:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

  .ecosystem__list {
    justify-content: flex-start;
  }
}

@media (max-width: 860px) {
  .site-nav,
  .site-header__cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-header__inner {
    gap: 16px;
  }

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

  .approach__text {
    min-height: 0;
  }

  .cases__grid {
    grid-template-columns: 1fr;
    max-width: 560px;
  }

  .next__steps {
    grid-template-columns: 1fr;
    max-width: 560px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .hero {
    padding: 56px 0 56px;
  }

  .hero__title {
    font-size: 34px;
  }

  .hero__lead {
    font-size: 17px;
  }

  .problem,
  .platform,
  .validation,
  .cases,
  .trust,
  .next,
  .msp-bs,
  .scenarios,
  .ecosystem {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 34px;
  }

  .msp-stats {
    grid-template-columns: 1fr;
    margin-top: 36px;
  }

  .msp-stats li {
    padding: 18px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .msp-stats li:last-child {
    border-bottom: 0;
  }

  .msp-features {
    grid-template-columns: 1fr;
  }

  .msp-features li {
    min-height: 0;
  }

  .msp-cutaway {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .msp-cutaway__map {
    padding: 0;
  }

  .msp-cutaway__readout {
    min-height: 270px;
  }

  .msp-cutaway__readout small {
    padding-top: 24px;
  }

  .msp-cutaway {
    padding: 20px;
  }

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

  .scenario__switch button {
    border-right: 0 !important;
  }

  .scenario__switch button:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .scenario__switch button:last-child {
    border-bottom: 0;
  }

  .scenario__panel {
    padding: 24px 20px;
  }

  .scenario__title {
    font-size: 22px;
  }

  .ecosystem__inner {
    padding: 24px 20px;
  }

  .ecosystem__title {
    font-size: 17px;
  }

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

  .stage__rail {
    flex-wrap: wrap;
  }

  .stage__steps {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .stage__step {
    flex: 0 0 96px;
  }

  .stage__detail {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  .stage__detail-num {
    grid-row: auto;
    font-size: 44px;
    margin-bottom: 8px;
  }

  .stage__detail-title,
  .stage__detail-text,
  .stage__controls {
    grid-column: 1;
  }

  .stage__detail {
    min-height: 0;
  }

  .lead-form__row {
    grid-template-columns: 1fr;
  }

  .form-panel {
    padding: 28px 20px;
  }

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

  .site-footer__inner {
    flex-direction: column;
  }

  .site-footer__meta {
    text-align: left;
  }
}

/* ============================================================
   Semantic interaction layer: manual, reversible, no autoplay
   ============================================================ */

[hidden] {
  display: none !important;
}

/* One orchestrated hero moment: dependencies settle into the contour. */
.hero-system__dependencies span {
  animation: hero-dependency-in 520ms var(--ease) both;
}

.hero-system__dependencies span:nth-child(2) { animation-delay: 60ms; }
.hero-system__dependencies span:nth-child(3) { animation-delay: 120ms; }
.hero-system__dependencies span:nth-child(4) { animation-delay: 180ms; }
.hero-system__dependencies span:nth-child(5) { animation-delay: 240ms; }
.hero-system__dependencies span:nth-child(6) { animation-delay: 300ms; }

.hero-system__core {
  animation: hero-core-in 720ms 260ms var(--ease) both;
}

.hero-system__proof {
  overflow: hidden;
}

.hero-system__proof::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 42%;
  background: linear-gradient(90deg, transparent, rgba(155, 232, 236, 0.16), transparent);
  transform: translateX(-140%);
  animation: hero-proof-trace 1050ms 760ms var(--ease) both;
  pointer-events: none;
}

@keyframes hero-dependency-in {
  from { opacity: 0; transform: translateY(-12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes hero-core-in {
  from { opacity: 0.35; transform: scale(0.88); box-shadow: 0 0 0 rgba(0, 190, 200, 0); }
  to { opacity: 1; transform: scale(1); box-shadow: 0 0 48px rgba(0, 190, 200, 0.16); }
}

@keyframes hero-proof-trace {
  to { transform: translateX(340%); }
}

/* Problem scene: the same components physically reorganize around one core. */
.integration-scene {
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 190, 200, 0.08), transparent 33%),
    linear-gradient(150deg, rgba(12, 25, 52, 0.72), rgba(8, 16, 33, 0.5));
  overflow: hidden;
}

.integration-scene__switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.integration-scene__switch button {
  position: relative;
  min-height: 76px;
  padding: 18px 28px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: 600 16px/1.35 var(--font);
  text-align: left;
  cursor: pointer;
  transition: color 220ms var(--ease), background 220ms var(--ease);
}

.integration-scene__switch button:last-child {
  border-right: 0;
}

.integration-scene__switch button::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 100%;
  bottom: -1px;
  height: 2px;
  background: var(--cyan);
  transition: right 420ms var(--ease);
}

.integration-scene__switch button span {
  margin-right: 14px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.integration-scene__switch button:hover,
.integration-scene__switch button.is-active {
  color: var(--text);
  background: rgba(0, 190, 200, 0.045);
}

.integration-scene__switch button.is-active::after {
  right: 28px;
}

.integration-scene__canvas {
  position: relative;
  min-height: 470px;
  overflow: hidden;
}

.integration-scene__canvas::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 50%;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(0, 190, 200, 0.28);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.55);
  transition: opacity 420ms var(--ease), transform 680ms var(--ease);
}

.integration-scene[data-mode="integrated"] .integration-scene__canvas::before {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.integration-scene__links {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
}

.integration-scene__links path {
  fill: none;
  stroke: rgba(90, 169, 174, 0.42);
  stroke-width: 1;
  stroke-dasharray: 8 7;
  vector-effect: non-scaling-stroke;
  transition: opacity 320ms var(--ease), stroke 320ms var(--ease), stroke-dashoffset 900ms var(--ease);
}

.integration-scene__links [data-lines="integrated"] path {
  stroke: rgba(0, 190, 200, 0.65);
  opacity: 0;
  stroke-dashoffset: 110;
}

.integration-scene[data-mode="integrated"] .integration-scene__links [data-lines="components"] path {
  opacity: 0;
}

.integration-scene[data-mode="integrated"] .integration-scene__links [data-lines="integrated"] path {
  opacity: 1;
  stroke-dashoffset: 0;
}

.integration-scene__nodes button {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 50%;
  width: 172px;
  min-height: 68px;
  padding: 12px 16px;
  border: 1px solid rgba(13, 196, 240, 0.32);
  border-radius: 10px;
  background: rgba(8, 16, 33, 0.92);
  color: var(--text);
  font-family: var(--font);
  text-align: left;
  cursor: pointer;
  transform: translate(calc(-50% + var(--from-x)), calc(-50% + var(--from-y)));
  transition: transform 680ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.integration-scene[data-mode="integrated"] .integration-scene__nodes button {
  transform: translate(calc(-50% + var(--to-x)), calc(-50% + var(--to-y)));
}

.integration-scene__nodes button:hover,
.integration-scene__nodes button:focus-visible,
.integration-scene__nodes button.is-selected {
  border-color: var(--cyan);
  background: rgba(16, 45, 70, 0.98);
  box-shadow: 0 0 26px rgba(0, 190, 200, 0.16);
}

.integration-scene__nodes button span,
.integration-scene__nodes button strong {
  display: block;
}

.integration-scene__nodes button span {
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.integration-scene__nodes button strong {
  margin-top: 3px;
  font-size: 14px;
}

.integration-scene__core {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 50%;
  width: 250px;
  min-height: 142px;
  padding: 26px 20px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  background: rgba(8, 16, 33, 0.96);
  transform: translate(-50%, -50%) scale(0.92);
  transition: transform 620ms var(--ease), border-color 320ms var(--ease), background 320ms var(--ease), box-shadow 320ms var(--ease);
}

.integration-scene[data-mode="integrated"] .integration-scene__core {
  border-color: rgba(0, 190, 200, 0.68);
  background: linear-gradient(145deg, rgba(15, 57, 78, 0.98), rgba(8, 22, 46, 0.98));
  box-shadow: 0 0 56px rgba(0, 190, 200, 0.2);
  transform: translate(-50%, -50%) scale(1);
}

.integration-scene__core span,
.integration-scene__core strong,
.integration-scene__core small {
  display: block;
}

.integration-scene__core span {
  color: var(--cyan-soft);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.integration-scene__core strong {
  margin: 8px 0;
  font-size: 20px;
  line-height: 1.25;
}

.integration-scene__core small {
  color: var(--muted);
  font-size: 11px;
}

.integration-scene__impact {
  border-top: 1px solid var(--line);
  padding: 26px 28px 24px;
}

.integration-scene__impact-set {
  display: none;
}

.integration-scene[data-mode="components"] .integration-scene__impact-set[data-impact="components"],
.integration-scene[data-mode="integrated"] .integration-scene__impact-set[data-impact="integrated"] {
  display: block;
  animation: impact-in 380ms var(--ease);
}

@keyframes impact-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.integration-scene__impact-head {
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.integration-scene__impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.impact-tile {
  min-width: 0;
}

.impact-tile strong {
  display: block;
  font-size: 14px;
  line-height: 1.35;
  margin-bottom: 6px;
}

.impact-tile span {
  display: block;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.integration-scene__impact-out {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--cyan-soft);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

/* Platform modules behave like a small manual configurator. */
.platform-stack__modules button {
  min-height: 92px;
  padding: 17px;
  border: 1px solid var(--line);
  background: rgba(12, 25, 52, 0.78);
  color: var(--text);
  font-family: var(--font);
  text-align: left;
  cursor: pointer;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.platform-stack__modules button:hover,
.platform-stack__modules button:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(0, 190, 200, 0.5);
}

.platform-stack__modules button.is-selected {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: linear-gradient(145deg, rgba(0, 130, 180, 0.18), rgba(12, 25, 52, 0.94));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}

.platform-stack__modules button strong,
.platform-stack__modules button span {
  display: block;
}

.platform-stack__modules button strong {
  font-size: 15px;
}

.platform-stack__modules button span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.platform-stack__selection {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 54px;
  margin-top: 10px;
  padding: 12px 16px;
  border-left: 2px solid var(--line-strong);
  background: rgba(8, 16, 33, 0.56);
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.platform-stack.has-selection .platform-stack__selection {
  border-color: var(--cyan);
  background: rgba(0, 190, 200, 0.06);
}

.platform-stack__selection span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.platform-stack__selection strong {
  color: var(--cyan-soft);
  font-size: 12px;
  text-align: right;
}

.platform-stack.has-selection .platform-stack__backbone {
  box-shadow: inset 0 0 36px rgba(0, 190, 200, 0.08);
}

/* Validation stays fully visible; click changes the explicit output of a step. */
.validation-map__phase article,
.validation-map__result {
  cursor: pointer;
}

.validation-map__phase article {
  transition: transform 220ms var(--ease), background 220ms var(--ease), border-color 220ms var(--ease);
}

.validation-map__phase article:hover,
.validation-map__phase article:focus-visible,
.validation-map__phase article.is-active {
  transform: translateX(6px);
  border-color: rgba(0, 190, 200, 0.46);
  background: rgba(0, 190, 200, 0.055);
}

.validation-map__result {
  transition: background 260ms var(--ease), box-shadow 260ms var(--ease), transform 260ms var(--ease);
}

.validation-map__result:hover,
.validation-map__result:focus-visible,
.validation-map__result.is-active {
  background: linear-gradient(155deg, rgba(0, 190, 200, 0.34), rgba(11, 94, 215, 0.16));
  box-shadow: inset 0 0 50px rgba(0, 190, 200, 0.1);
}

.validation-map__readout {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  min-height: 76px;
  margin-top: 14px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: rgba(8, 16, 33, 0.62);
}

.validation-map__readout span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.validation-map__readout span strong {
  color: var(--cyan);
}

.validation-map__readout p {
  color: var(--cyan-soft);
  font-size: 14px;
  font-weight: 600;
}

/* Proof cards are real links to the next step, not fake clickable chrome. */
.case-card[data-case-card] {
  cursor: pointer;
  transition: transform 260ms var(--ease), border-color 260ms var(--ease), box-shadow 260ms var(--ease);
}

.case-card[data-case-card]:hover,
.case-card[data-case-card]:focus-visible {
  transform: translateY(-7px);
  border-color: rgba(0, 190, 200, 0.52);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.24);
}

.case-card__action {
  display: inline-block;
  margin-top: 20px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  opacity: 0.72;
  transform: translateX(0);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

.case-card[data-case-card]:hover .case-card__action,
.case-card[data-case-card]:focus-visible .case-card__action {
  opacity: 1;
  transform: translateX(6px);
}

@media (max-width: 1100px) {
  .integration-scene__canvas {
    min-height: 620px;
  }

  .integration-scene__impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .integration-scene__links {
    display: none;
  }

  .integration-scene__canvas::before {
    width: 300px;
    height: 300px;
  }

  .integration-scene__nodes {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 30px;
  }

  .integration-scene__nodes button,
  .integration-scene[data-mode="integrated"] .integration-scene__nodes button {
    position: static;
    width: auto;
    transform: none;
  }

  .integration-scene__core {
    top: auto;
    bottom: 46px;
  }
}

@media (max-width: 640px) {
  .integration-scene__switch,
  .validation-map__readout {
    grid-template-columns: 1fr;
  }

  .integration-scene__switch button {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .integration-scene__impact {
    padding: 20px 18px;
  }

  .integration-scene__impact-grid {
    grid-template-columns: 1fr;
  }

  .integration-scene__canvas {
    min-height: 520px;
  }

  .integration-scene__canvas::before {
    display: none;
  }

  .integration-scene__nodes {
    grid-template-columns: 1fr 1fr;
    padding: 18px;
  }

  .integration-scene__core {
    width: calc(100% - 36px);
    bottom: 28px;
  }

  .platform-stack__selection {
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-stack__selection strong {
    text-align: left;
  }

  .validation-map__readout {
    gap: 7px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .scene-links line {
    stroke-dasharray: none;
    animation: none;
  }

  /* validation path becomes a full static grid */
  .stage__rail .stage__prev,
  .stage__rail .stage__next,
  .stage__play {
    display: none;
  }

  .stage__steps {
    flex-wrap: wrap;
    gap: 12px;
  }

  .stage__steps li {
    flex: 1 1 30%;
  }

  .stage__detail {
    display: none;
  }

  .stage__static {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  @media (max-width: 640px) {
    .stage__static {
      grid-template-columns: 1fr;
    }
  }
}

/* ============================================================
   Art-direction rework: one system, not a stack of slide cards
   ============================================================ */

/* Hero: workload -> dependencies -> integrated, verifiable contour */
.hero__inner {
  grid-template-columns: minmax(0, 0.94fr) minmax(520px, 1.06fr);
  gap: 34px;
}

.hero__scene {
  min-height: 580px;
  display: flex;
  align-items: center;
}

.hero-system {
  position: relative;
  width: 100%;
  min-height: 540px;
  padding: 28px;
  border: 1px solid rgba(13, 196, 240, 0.2);
  border-radius: 32px 10px 32px 10px;
  background:
    linear-gradient(145deg, rgba(16, 33, 69, 0.72), rgba(8, 16, 33, 0.28)),
    radial-gradient(circle at 50% 56%, rgba(0, 190, 200, 0.16), transparent 40%);
  box-shadow: inset 0 0 80px rgba(0, 190, 200, 0.04), 0 30px 80px rgba(0, 0, 0, 0.18);
}

.hero-system::before,
.hero-system::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero-system::before {
  inset: 102px 56px 124px;
  border: 1px solid rgba(0, 190, 200, 0.22);
  border-radius: 50%;
  transform: rotate(-7deg);
}

.hero-system::after {
  top: 82px;
  bottom: 104px;
  left: 50%;
  width: 1px;
  background: linear-gradient(transparent, rgba(13, 196, 240, 0.45), transparent);
}

.hero-system__workload {
  position: relative;
  z-index: 2;
  width: min(92%, 430px);
  margin: 0 auto 22px;
  padding: 16px 20px;
  text-align: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(8, 16, 33, 0.88);
}

.hero-system__workload span,
.platform-stack__task span {
  display: block;
  color: var(--cyan-soft);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-system__workload strong {
  display: block;
  margin-top: 4px;
  font-size: 17px;
}

.hero-system__dependencies {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.hero-system__dependencies span {
  padding: 10px 8px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(8, 16, 33, 0.72);
}

.hero-system__core {
  position: relative;
  z-index: 3;
  width: 72%;
  margin: 22px auto;
  padding: 34px 20px;
  text-align: center;
  border: 1px solid rgba(0, 190, 200, 0.58);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(16, 51, 78, 0.94), rgba(10, 26, 52, 0.96));
  box-shadow: 0 0 48px rgba(0, 190, 200, 0.16);
}

.hero-system__core span,
.hero-system__core small {
  display: block;
  color: var(--cyan-soft);
}

.hero-system__core span {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-system__core strong {
  display: block;
  margin: 4px 0 5px;
  font-size: 31px;
  line-height: 1.1;
}

.hero-system__core small {
  color: var(--muted);
  font-size: 12px;
}

.hero-system__proof {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid rgba(0, 190, 200, 0.24);
  border-bottom: 1px solid rgba(0, 190, 200, 0.24);
  color: var(--muted);
  font-size: 11px;
}

.hero-system__proof i {
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 190, 200, 0.2), var(--cyan));
}

.hero-system__proof strong {
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--cyan);
  color: #04121f;
  font-size: 11px;
}

.hero__actions .btn--ghost {
  padding-right: 18px;
  padding-left: 18px;
  font-size: 14px;
}

/* Problem: one transformation field instead of two unrelated cards */
.problem__compare {
  position: relative;
  grid-template-columns: 1fr 1fr;
  gap: 76px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(90deg, rgba(8, 16, 33, 0.5), rgba(0, 190, 200, 0.045));
  overflow: hidden;
}

.problem__compare::after {
  content: "→";
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(0, 190, 200, 0.45);
  border-radius: 50%;
  background: var(--bg-1);
  color: var(--cyan);
  font-size: 25px;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 30px rgba(0, 190, 200, 0.12);
}

.approach,
.approach--integrated {
  padding: 18px 8px;
  border: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.approach--component {
  opacity: 0.8;
}

.approach--integrated .approach__title {
  color: var(--cyan-soft);
}

.problem__takeaway {
  max-width: 760px;
  margin: 0 auto;
  border-top: 0;
  padding-top: 6px;
}

/* Platform: workload-shaped stack, visually distinct from the hero */
.platform__grid {
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 64px;
}

.platform-stack {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(13, 196, 240, 0.2);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(16, 33, 69, 0.64), rgba(8, 16, 33, 0.4));
}

.platform-stack__task {
  padding: 18px 22px;
  border-left: 3px solid var(--cyan);
  background: rgba(8, 16, 33, 0.72);
}

.platform-stack__task strong {
  display: block;
  margin-top: 5px;
  font-size: 17px;
}

.platform-stack__arrow {
  position: relative;
  margin: 13px 0;
  padding-left: 26px;
  color: var(--muted);
  font-size: 12px;
}

.platform-stack__arrow::before {
  content: "↓";
  position: absolute;
  left: 5px;
  color: var(--cyan);
}

.platform-stack__modules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.platform-stack__modules div {
  min-height: 92px;
  padding: 17px;
  border: 1px solid var(--line);
  background: rgba(12, 25, 52, 0.78);
}

.platform-stack__modules strong,
.platform-stack__modules span {
  display: block;
}

.platform-stack__modules strong {
  font-size: 15px;
}

.platform-stack__modules span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.platform-stack__backbone {
  margin-top: 10px;
  padding: 20px;
  text-align: center;
  border: 1px solid rgba(0, 190, 200, 0.48);
  background: linear-gradient(90deg, rgba(0, 130, 180, 0.12), rgba(0, 190, 200, 0.08));
}

.platform-stack__backbone span,
.platform-stack__backbone strong {
  display: block;
}

.platform-stack__backbone span {
  color: var(--cyan-soft);
  font-size: 13px;
  font-weight: 700;
}

.platform-stack__backbone strong {
  margin-top: 5px;
  font-size: 12px;
}

.platform__meta {
  counter-reset: platform-benefit;
}

.plat-card {
  counter-increment: platform-benefit;
  position: relative;
  margin-bottom: 0;
  padding: 22px 0 22px 54px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.plat-card::before {
  content: "0" counter(platform-benefit);
  position: absolute;
  left: 0;
  top: 23px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* Validation: all meaning is visible at once; no autoplay, pause or paging */
.validation__stage {
  padding: 0;
  border: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.validation-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 78px minmax(0, 0.9fr) minmax(220px, 0.58fr);
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(8, 16, 33, 0.46);
}

.validation-map__phase {
  padding: 26px;
}

.validation-map__phase-label {
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.validation-map__phase article {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 13px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.validation-map__phase article > span {
  color: rgba(155, 232, 236, 0.52);
  font-size: 12px;
  font-weight: 700;
}

.validation-map__phase article strong {
  font-size: 15px;
}

.validation-map__phase article p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.validation-map__gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: rgba(0, 190, 200, 0.045);
}

.validation-map__gate span {
  color: var(--cyan-soft);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.validation-map__gate i {
  width: 36px;
  height: 36px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  position: relative;
}

.validation-map__gate i::after {
  content: "→";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--cyan);
  font-style: normal;
}

.validation-map__phase--test {
  background: linear-gradient(160deg, rgba(16, 33, 69, 0.68), rgba(12, 25, 52, 0.42));
}

.validation-map__workloads {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
}

.validation-map__workloads li {
  padding: 5px 9px;
  border: 1px solid rgba(0, 190, 200, 0.26);
  border-radius: 999px;
  color: var(--cyan-soft);
  font-size: 11px;
}

.validation-map__result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  background: linear-gradient(155deg, rgba(0, 190, 200, 0.24), rgba(11, 94, 215, 0.1));
  border-left: 1px solid rgba(0, 190, 200, 0.3);
}

.validation-map__result > span {
  color: var(--cyan);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.46;
}

.validation-map__result p {
  margin: 18px 0 9px;
  color: var(--cyan-soft);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.validation-map__result strong {
  font-size: 17px;
  line-height: 1.45;
}

.validation__note {
  max-width: 820px;
  margin-top: 22px;
}

/* Proof: one lead case plus two supporting cases */
.cases__grid {
  grid-template-columns: minmax(0, 1.24fr) minmax(320px, 0.76fr);
  grid-template-rows: 1fr 1fr;
  gap: 18px;
}

.case-card--gp {
  grid-row: 1 / span 2;
  min-height: 510px;
  padding: 44px;
  background:
    radial-gradient(circle at 12% 90%, rgba(0, 190, 200, 0.14), transparent 38%),
    linear-gradient(155deg, rgba(16, 33, 69, 0.88), rgba(8, 16, 33, 0.78));
}

.case-card--gp .case-card__title {
  max-width: 9ch;
  font-size: 42px;
}

.case-card--gp .case-card__status {
  margin-top: 18px;
}

.case-card--gp .case-card__proof {
  max-width: 48ch;
  font-size: 16px;
}

.case-card--vtb,
.case-card--mkb {
  padding: 26px 28px;
}

.case-card--vtb .case-card__title,
.case-card--mkb .case-card__title {
  font-size: 21px;
}

/* Qualification becomes a compact evidence band */
.trust {
  padding: 76px 0;
}

.trust__list {
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust__item {
  position: relative;
  min-height: 170px;
  padding: 28px 34px 28px 56px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.trust__item:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.trust__item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.trust__item::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 28px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

/* CTA: one continuous decision path */
.next__steps {
  position: relative;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.next__steps::before {
  content: "";
  position: absolute;
  left: 14%;
  right: 14%;
  top: 51px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 190, 200, 0.22));
}

.next__step {
  padding: 34px 30px 32px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.next__step:last-child {
  border-right: 0;
}

.next__step-num {
  position: relative;
  z-index: 1;
  background: var(--bg-0);
}

@media (max-width: 1100px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__scene {
    max-width: 720px;
  }

  .validation-map {
    grid-template-columns: 1fr 60px 1fr;
  }

  .validation-map__result {
    grid-column: 1 / -1;
    min-height: 210px;
    border-top: 1px solid rgba(0, 190, 200, 0.3);
    border-left: 0;
  }
}

@media (max-width: 860px) {
  .problem__compare,
  .platform__grid,
  .cases__grid {
    grid-template-columns: 1fr;
  }

  .problem__compare {
    gap: 52px;
  }

  .problem__compare::after {
    top: 50%;
    transform: translate(-50%, -50%) rotate(90deg);
  }

  .case-card--gp {
    grid-row: auto;
    min-height: 420px;
  }

  .validation-map {
    grid-template-columns: 1fr;
  }

  .validation-map__gate {
    min-height: 74px;
    flex-direction: row;
    border: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .validation-map__gate span {
    writing-mode: initial;
    transform: none;
  }

  .validation-map__gate i {
    transform: rotate(90deg);
  }

  .validation-map__result {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .hero__scene {
    min-height: 0;
  }

  .hero-system {
    min-height: 0;
    padding: 18px;
    border-radius: 22px 8px;
  }

  .hero-system::before,
  .hero-system::after {
    display: none;
  }

  .hero-system__dependencies {
    grid-template-columns: 1fr 1fr;
  }

  .hero-system__core {
    width: 100%;
  }

  .hero-system__proof {
    grid-template-columns: 1fr 1fr;
  }

  .hero-system__proof i {
    display: none;
  }

  .platform-stack,
  .validation-map__phase,
  .validation-map__result {
    padding: 20px;
  }

  .platform-stack__modules,
  .trust__list,
  .next__steps {
    grid-template-columns: 1fr;
  }

  .trust__item,
  .trust__item:nth-child(odd),
  .trust__item:nth-last-child(-n + 2) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust__item:last-child {
    border-bottom: 0;
  }

  .next__steps::before {
    display: none;
  }

  .next__step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

/* ============================================================
   Section pattern system: dependencies converge into one system
   ============================================================ */

.hero,
.problem,
.platform,
.validation,
.cases,
.trust,
.next,
.msp-bs,
.scenarios,
.ecosystem {
  --pattern-x: 0px;
  --pattern-y: 0px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.problem > .container,
.platform > .container,
.validation > .container,
.cases > .container,
.trust > .container,
.next > .container,
.msp-bs > .container,
.scenarios > .container,
.ecosystem > .container {
  position: relative;
  z-index: 2;
}

/* Hero: coordinate field follows the infrastructure scene very slightly. */
.hero__grid-bg {
  inset: -24px;
  background-size: 56px 56px, 56px 56px;
  background-position: var(--pattern-x) var(--pattern-y), var(--pattern-x) var(--pattern-y);
  transition: background-position 180ms linear;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -12%;
  pointer-events: none;
  background:
    radial-gradient(circle at calc(71% + var(--pattern-x)) calc(36% + var(--pattern-y)), rgba(0, 190, 200, 0.12) 0 1px, transparent 2px),
    radial-gradient(circle at calc(82% + var(--pattern-x)) calc(58% + var(--pattern-y)), rgba(13, 196, 240, 0.1) 0 1px, transparent 2px),
    radial-gradient(circle at calc(58% + var(--pattern-x)) calc(70% + var(--pattern-y)), rgba(155, 232, 236, 0.09) 0 1px, transparent 2px);
  background-size: 86px 86px, 112px 112px, 138px 138px;
  -webkit-mask-image: radial-gradient(ellipse 58% 72% at 70% 45%, #000 20%, transparent 76%);
  mask-image: radial-gradient(ellipse 58% 72% at 70% 45%, #000 20%, transparent 76%);
}

/* Problem: scattered dependency mesh and large integration rings. */
.problem::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -26px;
  pointer-events: none;
  opacity: 0.72;
  background-image:
    radial-gradient(circle, rgba(13, 196, 240, 0.2) 0 1px, transparent 1.5px),
    linear-gradient(28deg, transparent 49.82%, rgba(0, 190, 200, 0.045) 50%, transparent 50.18%),
    linear-gradient(152deg, transparent 49.82%, rgba(90, 169, 174, 0.04) 50%, transparent 50.18%);
  background-size: 74px 74px, 168px 126px, 206px 148px;
  background-position: var(--pattern-x) var(--pattern-y), var(--pattern-x) var(--pattern-y), var(--pattern-x) var(--pattern-y);
  -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.72), transparent 46%, rgba(0, 0, 0, 0.58));
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.72), transparent 46%, rgba(0, 0, 0, 0.58));
  transition: transform 180ms linear;
  transform: translate3d(var(--pattern-x), var(--pattern-y), 0);
}

.problem::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 16%;
  right: -18%;
  width: 760px;
  height: 760px;
  border: 1px solid rgba(0, 190, 200, 0.06);
  border-radius: 50%;
  box-shadow:
    0 0 0 88px rgba(0, 190, 200, 0.018),
    0 0 0 176px rgba(13, 196, 240, 0.012);
  pointer-events: none;
}

/* Platform: nested architecture layers, not another node mesh. */
.platform::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 54% 48% at 12% 86%, transparent 57%, rgba(0, 190, 200, 0.075) 57.3%, transparent 57.7%),
    radial-gradient(ellipse 48% 44% at 12% 86%, transparent 67%, rgba(13, 196, 240, 0.05) 67.3%, transparent 67.7%),
    radial-gradient(ellipse 42% 38% at 88% 12%, transparent 64%, rgba(90, 169, 174, 0.045) 64.3%, transparent 64.7%);
}

.platform::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  opacity: 0.6;
  background-image:
    repeating-linear-gradient(60deg, transparent 0 88px, rgba(0, 190, 200, 0.035) 89px 90px),
    repeating-linear-gradient(120deg, transparent 0 88px, rgba(0, 190, 200, 0.028) 89px 90px);
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 54%);
  mask-image: linear-gradient(90deg, #000, transparent 54%);
}

/* MSP.BS: quiet architectural layers. */
.msp-bs::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background:
    radial-gradient(ellipse 46% 40% at 90% 10%, transparent 58%, rgba(0, 190, 200, 0.06) 58.4%, transparent 58.9%),
    radial-gradient(ellipse 40% 36% at 90% 10%, transparent 66%, rgba(13, 196, 240, 0.05) 66.4%, transparent 66.9%);
}

/* Scenarios: quiet directional traces. */
.scenarios::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, transparent 49.75%, rgba(0, 190, 200, 0.04) 50%, transparent 50.25%),
    linear-gradient(-24deg, transparent 49.8%, rgba(13, 196, 240, 0.035) 50%, transparent 50.2%);
  background-size: 220px 140px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 60%);
  mask-image: linear-gradient(180deg, #000, transparent 60%);
}

/* Validation: directional traces and quiet load impulses. */
.validation::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, transparent 49.7%, rgba(0, 190, 200, 0.045) 50%, transparent 50.3%),
    linear-gradient(24deg, transparent 49.75%, rgba(13, 196, 240, 0.04) 50%, transparent 50.25%),
    radial-gradient(ellipse 45% 18% at 78% 76%, transparent 69%, rgba(0, 190, 200, 0.08) 69.5%, transparent 70%);
  background-size: 148px 100%, 260px 190px, 100% 100%;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 36%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 36%, #000 88%, transparent);
}

.validation::after {
  content: "";
  position: absolute;
  z-index: 0;
  left: 8%;
  right: 8%;
  bottom: 10%;
  height: 42px;
  pointer-events: none;
  opacity: 0.18;
  background: linear-gradient(90deg,
    transparent 0 8%, var(--cyan) 8.2% 8.35%, transparent 8.55% 22%,
    var(--cyan) 22.2% 22.35%, transparent 22.55% 48%,
    var(--sky) 48.2% 48.35%, transparent 48.55% 74%,
    var(--cyan) 74.2% 74.35%, transparent 74.55% 100%);
  clip-path: polygon(0 52%, 7% 52%, 9% 8%, 11% 88%, 13% 52%, 34% 52%, 36% 25%, 38% 72%, 40% 52%, 63% 52%, 65% 0, 67% 100%, 69% 52%, 100% 52%, 100% 56%, 69% 56%, 67% 100%, 65% 0, 63% 56%, 40% 56%, 38% 72%, 36% 25%, 34% 56%, 13% 56%, 11% 88%, 9% 8%, 7% 56%, 0 56%);
}

/* Customer proof: calm modular banking grid. */
.cases::before,
.trust::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(155, 232, 236, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 232, 236, 0.032) 1px, transparent 1px);
  background-size: 240px 138px;
  background-position: center 28px;
  -webkit-mask-image: radial-gradient(ellipse 92% 78% at 50% 42%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 92% 78% at 50% 42%, #000, transparent 78%);
}

.cases::after {
  content: "01 / 03\A02 / 03\A03 / 03";
  white-space: pre;
  position: absolute;
  z-index: 0;
  top: 20%;
  right: 3%;
  color: rgba(155, 232, 236, 0.055);
  font: 700 46px/2.3 var(--font);
  letter-spacing: 0.12em;
  pointer-events: none;
}

.trust::before {
  background-size: 180px 104px;
  opacity: 0.72;
}

/* CTA: all routes converge, then the background becomes quiet. */
.next::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  opacity: 0.68;
  background:
    linear-gradient(32deg, transparent 49.87%, rgba(0, 190, 200, 0.06) 50%, transparent 50.13%),
    linear-gradient(-32deg, transparent 49.87%, rgba(13, 196, 240, 0.05) 50%, transparent 50.13%),
    linear-gradient(18deg, transparent 49.9%, rgba(90, 169, 174, 0.035) 50%, transparent 50.1%),
    radial-gradient(circle at 50% 26%, rgba(0, 190, 200, 0.12) 0 2px, transparent 3px);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 56%);
  mask-image: linear-gradient(180deg, #000, transparent 56%);
}

@media (max-width: 640px) {
  .problem::after,
  .cases::after,
  .validation::after {
    display: none;
  }

  .platform::after {
    opacity: 0.32;
  }

  .cases::before,
  .trust::before {
    background-size: 120px 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reactive-pattern] {
    --pattern-x: 0px !important;
    --pattern-y: 0px !important;
  }

  .hero__grid-bg,
  .problem::before {
    transition: none;
    transform: none;
  }
}