@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;700;800&display=swap");

/* Project design tokens: colors, shadows, radii, and base container width. */
:root {
  --page-bg: #17395f;
  --page-bg-deep: #122c4a;
  --surface: #112747;
  --surface-strong: #10213a;
  --surface-soft: rgba(15, 33, 58, 0.64);
  --line: #0c7fda;
  --line-soft: rgba(12, 127, 218, 0.42);
  --line-faint: rgba(12, 127, 218, 0.18);
  --text: #f8fafc;
  --muted: rgba(236, 243, 249, 0.74);
  --muted-soft: rgba(236, 243, 249, 0.56);
  --blue: #0c83df;
  --red: #ff271d;
  --green: #8ac53f;
  --shadow-lg: 0 34px 90px rgba(0, 0, 0, 0.34);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.28);
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Open Sans", sans-serif;
  color: var(--text);
  background: url("../images/full-page-background.svg") center top / cover no-repeat fixed;
}

/* Bengali (Kalpurush loaded only when locale is bn — see functions.php) */
body.bts-lang-bn {
  font-family: "Kalpurush", "Open Sans", sans-serif;
  font-synthesis: none;
}

body::before {
  content: none;
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(20, 132, 235, 0.03), transparent 30%),
    radial-gradient(circle at 74% 42%, rgba(20, 132, 235, 0.025), transparent 34%);
  pointer-events: none;
  z-index: -1;
}

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

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

button,
input {
  font: inherit;
}

button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.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;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

/* Header and desktop navigation */
.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 32px 0 0;
}

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

.site-logo img {
  width: auto;
  height: 30px;
  object-fit: fill;
  transform-origin: left center;
  transition: opacity 520ms ease;
}

/* Hidden checkbox toggles mobile menu open/close states in responsive breakpoints. */
.site-header__toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.site-header__menu {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-left: 91px;
}

.site-nav__link {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 300;
  transition: color 160ms ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link--active {
  color: var(--blue);
}

.site-header__actions {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: auto;
  min-width: 118px;
  min-height: 46px;
  padding: 8px 19px;
  border-radius: 6px;
  background: linear-gradient(180deg, #1592f0, #0f79d4);
  color: var(--text);
  font-size: 14px;
  line-height: 1.25;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 14px 30px rgba(7, 76, 136, 0.25);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.site-header__cta:hover,
.site-header__cta:focus-visible,
.poc-section__button:hover,
.poc-section__button:focus-visible,
.site-footer__form button:hover,
.site-footer__form button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(7, 76, 136, 0.34);
  background: linear-gradient(180deg, #23a0ff, #1178cb);
}

.site-language {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  color: var(--text);
}

.site-language img {
  width: 24px;
  border-radius: 2px;
}

.site-language__arrow {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.2s ease;
}

/* Language switcher: panel hidden until .is-open (see js/header-menu.js). */
.bts-lang-dropdown {
  position: relative;
  flex-shrink: 0;
}

.site-language.bts-lang-dropdown__btn {
  margin: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: inherit;
  border-radius: 8px;
}

.site-language.bts-lang-dropdown__btn:focus-visible {
  outline: 2px solid rgba(20, 132, 235, 0.85);
  outline-offset: 3px;
}

.bts-lang-dropdown__panel {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 168px;
  padding: 6px 0;
  margin: 0;
  background: rgba(15, 33, 58, 0.98);
  border: 1px solid rgba(12, 127, 218, 0.4);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  z-index: 50;
}

.bts-lang-dropdown.is-open .bts-lang-dropdown__panel {
  display: block;
}

.bts-lang-dropdown.is-open .site-language__arrow {
  transform: rotate(-135deg) translateY(1px);
}

.bts-lang-dropdown__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.3;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.bts-lang-dropdown__item img {
  flex-shrink: 0;
  width: 22px;
  height: auto;
  border-radius: 2px;
}

.bts-lang-dropdown__item:hover,
.bts-lang-dropdown__item:focus-visible {
  background: rgba(12, 127, 218, 0.2);
  outline: none;
}

.bts-lang-dropdown__item.is-active {
  background: rgba(12, 127, 218, 0.12);
}

/* Hero section: headline area, scroll cue, and audience cards */
.hero-section {
  position: relative;
  min-height: 1089px;
  padding-bottom: 0;
  background: transparent;
}

.hero-section::before {
  content: none;
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(9, 25, 43, 0.1), rgba(9, 25, 43, 0));
  pointer-events: none;
}

.hero-section__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding-top: 0;
  text-align: initial;
}

.hero-section__intro {
  width: min(100%, 828px);
  margin: 120px auto 0;
}

/* Sequenced hero wordmark overlay (desktop JS toggles visibility state classes). */
.hero-logo-sequence {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
}

.hero-logo-sequence__word,
.hero-logo-sequence__full {
  position: absolute;
  top: clamp(178px, 18vh, 226px);
  left: 50%;
  transform: translateX(-50%) scale(0.985);
  opacity: 0;
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 700;
  white-space: nowrap;
  filter: blur(2px);
  transition: opacity 320ms ease, transform 440ms ease, filter 420ms ease;
}

.hero-logo-sequence__word {
  font-size: clamp(110px, 14.5vw, 222px);
  text-shadow: 0 18px 34px rgba(0, 0, 0, 0.24);
}

.hero-logo-sequence__word--buy {
  color: var(--blue);
}

.hero-logo-sequence__word--try {
  color: var(--red);
}

.hero-logo-sequence__word--share {
  color: var(--green);
}

.hero-logo-sequence__full {
  font-size: clamp(82px, 10.4vw, 160px);
  text-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

.hero-logo-sequence__buy {
  color: var(--blue);
}

.hero-logo-sequence__try {
  color: var(--red);
}

.hero-logo-sequence__share {
  color: var(--green);
}

.hero-logo-sequence__dot {
  color: rgba(255, 255, 255, 0.95);
}

.hero-logo-sequence__word.is-active,
.hero-logo-sequence__full.is-active {
  opacity: 1;
  transform: translateX(-50%) scale(1);
  filter: blur(0);
}

.hero-logo-sequence.is-finished {
  opacity: 0;
  visibility: hidden;
  transition: opacity 240ms ease;
}

.hero-section__brand {
  margin: 20px 0 0;
}

.hero-section__brand img {
  width: min(650px, 45vw);
  min-width: 315px;
  transition: opacity 520ms ease;
}

.site-logo.is-receiving img {
  opacity: 0;
}

.site-logo.is-settled img {
  animation: none;
  opacity: 1;
}

.logo-flight-clone {
  position: fixed;
  z-index: 1200;
  pointer-events: none;
  transform-origin: top left;
  will-change: transform, opacity;
  filter: none;
}

.logo-flight-clone--image {
  object-fit: contain;
}

/* During the desktop sequence, the hero logo stays hidden and the title is script-controlled. */
body.hero-sequence-active .hero-section__brand img,
body.hero-sequence-done .hero-section__brand img,
body.hero-sequence-active .hero-section__title,
body.hero-sequence-done .hero-section__title {
  opacity: 0;
  transform: translate3d(0px, 18px, 0px) scale(1);
  filter: blur(4px);
}

.hero-section__title {
  --hero-title-dock-x: 0px;
  --hero-title-dock-y: 0px;
  --hero-title-scale: 1;
  max-width: 728px;
  margin: 12px 0 0;
  font-size: 36px;
  line-height: 45px;
  font-weight: 300;
  text-align: left;
  padding-left: 4px;
  position: relative;
  z-index: 4;
  filter: none;
  transform-origin: top left;
  will-change: transform, opacity, filter;
  transition:
    transform 860ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 420ms ease,
    filter 420ms ease;
}

.hero-section__title strong {
  font-weight: 800;
}

.hero-section__title-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.05em 0.26em;
}

.hero-section__word {
  display: inline-flex;
  align-items: baseline;
}

.hero-section__word--strong {
  font-weight: 800;
}

body.hero-sequence-done .hero-section__title.is-revealed {
  opacity: 1;
  transform: translate3d(0px, 0px, 0px) scale(1);
  filter: blur(0);
}

body.hero-sequence-done .hero-section__title.is-revealed.is-docked {
  transform:
    translate3d(
      var(--hero-title-dock-x, 0px),
      var(--hero-title-dock-y, 0px),
      0px
    )
    scale(var(--hero-title-scale, 1));
}

.hero-section__scroll {
  position: relative;
  width: 100%;
  max-width: 1200px;
  height: 1px;
  margin: 138px auto 117px;
  background: linear-gradient(90deg, transparent 0%, rgba(20, 132, 235, 0.72) 14%, rgba(20, 132, 235, 0.72) 86%, transparent 100%);
}

.hero-section__scroll span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 56px;
  border: 1px solid rgba(20, 132, 235, 0.95);
  border-radius: 999px;
  background: rgba(16, 36, 61, 0.98);
  transform: translate(-50%, -50%);
  box-shadow: inset 0 0 0 1px rgba(9, 25, 43, 0.25);
}

.hero-section__scroll span::before {
  content: none;
}

.hero-section__scroll span::after {
  content: "\2193";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -52%);
  color: rgba(235, 241, 249, 0.9);
  font-size: 22px;
  line-height: 1;
  font-weight: 300;
  animation: hero-scroll-arrow-loop 1.6s ease-in-out infinite;
}

@keyframes hero-scroll-arrow-loop {
  0% {
    opacity: 0;
    transform: translate(-50%, -74%);
  }

  35% {
    opacity: 1;
    transform: translate(-50%, -56%);
  }

  70% {
    opacity: 1;
    transform: translate(-50%, -38%);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -24%);
  }
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 380px));
  justify-content: space-between;
  gap: 30px;
  margin-top: 20px;
  width: 100%;
}

.hero-highlights__card {
  max-width: 380px;
  justify-self: stretch;
  /*text-align: center;*/
}

.hero-highlights__icon {
  display: grid;
  /*place-items: center;*/
  margin: 0 0 20px;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.94);
}

.hero-highlights__icon svg,
.hero-highlights__icon img {
  width: 81px;
  height: 81px;
  object-fit: contain;
  display: block;
}

@media (max-width: 720px) {
    .hero-highlights__icon svg,
    .hero-highlights__icon img {
        width: 65px;
        height: 65px;
    }
}

.hero-highlights__card h2 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 30px;
  font-weight: 600;
}

.hero-highlights__card p {
  margin: 0;
  color: var(--muted-soft);
  font-size: 16px;
  line-height: 24px;
}

/* Shared content section wrapper (spacing adjusted per breakpoint below) */
.content-section {
  position: relative;
  padding: 0;
}

.section-heading {
  max-width: 840px;
  margin: 0;
  font-size: 40px;
  line-height: 45px;
  font-weight: 700;
}

.section-heading--small {
  font-size: 40px;
  line-height: 45px;
}

/* Section: Certified Consumer Proof intro */
.intro-section {
  padding-top: 100px;
  padding-bottom: 100px;
}

.intro-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 585px) minmax(0, 562px);
  justify-content: space-between;
  gap: 53px;
}

.intro-copy h2,
.story-section__copy h2,
.leaders-section h2,
.compliance-section__copy h2,
.poc-section__card h2 {
  margin: 0;
  font-size: 40px;
  line-height: 45px;
  font-weight: 700;
}

.intro-copy__lead {
  margin: 20px 0 0;
  font-size: 24px;
  line-height: 30px;
  font-weight: 700;
}

.intro-copy__quote {
  margin: 20px 0 0;
  color: rgba(236, 243, 249, 0.84);
  font-size: 24px;
  line-height: 30px;
  font-weight: 300;
}

.intro-copy__body,
.compliance-section__copy p,
.site-footer p,
.site-footer li,
.site-footer small {
  color: var(--muted);
  font-size: 16px;
  line-height: 24px;
}

.story-section__copy p {
  margin: 0;
  color: rgba(248, 250, 252, 0.94);
  font-size: 16px;
  font-weight: 300;
  font-style: normal;
  line-height: 24px !important;
}

.intro-copy__body {
  margin: 20px 0 0;
  max-width: 562px;
  font-size: 16px;
  line-height: 20px;
}

.intro-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.intro-pillars li {
  display: grid;
  justify-items: center;
  gap: 8px;
  min-width: 60px;
  color: var(--text);
  font-weight: 600;
}

.intro-pillars svg {
  width: 40px;
  height: 40px;
}

.intro-media,
.story-section__media,
.compliance-section__media {
  position: relative;
}

.intro-media {
  min-height: 577px;
  padding-bottom: 0;
}

.intro-media__main,
.intro-media__overlay,
.story-section__image,
.story-section__seal,
.compliance-section__image {
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.intro-media__main {
  width: min(100%, 562px);
  margin-left: auto;
}

.intro-media__main img {
  width: 100%;
  aspect-ratio: 562 / 467;
  object-fit: cover;
}

.intro-media__overlay {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(49%, 277px);
}

.intro-media__overlay img {
  width: 100%;
  aspect-ratio: 277 / 226;
  object-fit: cover;
}

/* Section: BuyTryShare formula */
.formula-section {
  padding-top: 100px;
  padding-bottom: 100px;
  border-top: 1px solid rgba(12, 127, 218, 0.24);
}

.formula-board {
  display: grid;
  width: min(100%, 1016px);
  grid-template-columns: 220px 217px 220px 220px 220px;
  justify-content: center;
  gap: 0;
  align-items: center;
  margin: 56px auto 0;
}

/* Formula node keeps an always-on aura and a stronger left-bottom glow on hover/focus. */
.formula-node {
  --formula-glow-rgb: 12, 131, 223;
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  justify-self: center;
  padding: 39px 24px;
  border-radius: 50%;
  background: #132745;
  text-align: center;
  isolation: isolate;
  outline: none;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02),
    -30px 30px 44px -6px rgba(0, 123, 255, 0.24);
  transition: transform 260ms ease, box-shadow 260ms ease;
  overflow: visible;
}

.formula-node::before {
  content: none;
}

.formula-node::after {
  content: none;
}

.formula-node:is(:hover, :focus-visible) {
  transform: translateY(-3px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    -34px 34px 50px -4px rgba(0, 123, 255, 0.3);
}

.formula-node__icon {
  width: 50px;
  height: 50px;
  margin-bottom: 18px;
}

.formula-node__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.formula-node__icon--attention {
  width: 50px;
  height: 50px;
}

.formula-node__icon--trust {
  width: 49px;
  height: 51px;
}

.formula-node__icon--roi {
  width: 54px;
  height: 48px;
}

.formula-node--attention .formula-node__icon {
  color: var(--blue);
}

.formula-node--attention {
  --formula-glow-rgb: 12, 131, 223;
}

.formula-node--trust .formula-node__icon {
  color: var(--red);
}

.formula-node--trust {
  --formula-glow-rgb: 255, 39, 29;
}

.formula-node--roi .formula-node__icon {
  color: var(--green);
}

.formula-node--roi {
  --formula-glow-rgb: 138, 197, 63;
}

.formula-node h3 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 22px;
  font-weight: 700;
}

.formula-node p {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 22px;
  font-weight: 600;
  margin-inline: auto;
}

.formula-node--attention p {
  max-width: 100px;
}

.formula-node--trust p {
  max-width: 134px;
}

.formula-node--roi p {
  max-width: 78px;
}

.formula-board__operator {
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.88);
  font-size: 72px;
  line-height: 1;
  font-weight: 300;
  transform: translateY(-8px);
}

.formula-copy {
  max-width: 1016px;
  margin: 43px auto 0;
}

.formula-copy__lead {
  margin: 0;
  max-width: 760px;
  font-size: 24px;
  line-height: 30px;
  font-weight: 700;
}

.formula-copy__body {
  margin: 24px 0 0;
  max-width: 980px;
  color: var(--muted);
  font-size: 16px;
  line-height: 24px;
}

/* Section: How it works (workflow steps) */
.workflow-section {
  padding-top: 100px;
  padding-bottom: 100px;
  border-top: 1px solid rgba(12, 127, 218, 0.24);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 90px;
  margin-top: 60px;
}

.workflow-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.workflow-step--reverse {
  flex-direction: row-reverse;
}

.workflow-step__text {
  max-width: 339px;
  font-size: 24px;
  line-height: 30px;
  font-weight: 600;
}

.workflow-step:not(.workflow-step--reverse) .workflow-step__text {
  text-align: right;
}

.workflow-step--reverse .workflow-step__text {
  text-align: left;
}

.workflow-step__icon {
  position: relative;
  flex: 0 0 175px;
  display: grid;
  place-items: center;
  width: 175px;
  height: 128px;
  border: 2px solid rgba(12, 127, 218, 0.92);
  border-radius: 6px;
  background: rgba(17, 39, 71, 0.56);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.workflow-step__icon::before {
  content: "";
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border-top: 18px solid transparent;
  border-bottom: 18px solid transparent;
  transform: translateY(-50%);
}

.workflow-step:not(.workflow-step--reverse) .workflow-step__icon::before {
  left: -20px;
  border-right: 20px solid rgba(12, 127, 218, 0.92);
}

.workflow-step--reverse .workflow-step__icon::before {
  right: -20px;
  border-left: 20px solid rgba(12, 127, 218, 0.92);
}

.workflow-step__icon svg,
.workflow-step__icon img {
  width: auto;
  height: auto;
  max-width: min(118px, 88%);
  max-height: min(96px, 88%);
  object-fit: contain;
  display: block;
}

/* Desktop-only workflow layout:
   left text | left icon | right icon | right text */
@media (min-width: 981px) {
  .workflow-grid {
    grid-template-columns: minmax(230px, 1fr) 175px 175px minmax(230px, 1fr);
    column-gap: 22px;
    row-gap: 22px;
    align-items: center;
    margin-top: 52px;
  }

  .workflow-step,
  .workflow-step--reverse {
    display: contents;
  }

  .workflow-step__text {
    max-width: 320px;
  }

  .workflow-step:not(.workflow-step--reverse) .workflow-step__text {
    justify-self: end;
    text-align: right;
    margin-right: 16px;
  }

  .workflow-step--reverse .workflow-step__text {
    justify-self: start;
    text-align: left;
    margin-left: 16px;
  }

  .workflow-step__icon {
    justify-self: center;
  }
}

/* Section: Ecosystem timeline */
.ecosystem-section {
  padding-top: 100px;
  padding-bottom: 100px;
  border-top: 1px solid rgba(12, 127, 218, 0.24);
}

.ecosystem-section__heading {
  max-width: 620px;
  margin-bottom: 43px;
}

.ecosystem-timeline {
  position: relative;
  max-width: 1063px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.ecosystem-timeline::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: rgba(12, 127, 218, 0.82);
  transform: translateX(-50%);
}

/* Five steps: spine ends at bottom of marker 05 (no segment below last circle). */
.ecosystem-timeline:has(.ecosystem-timeline__item--final)::before {
  bottom: calc(var(--eco-item-min, 165px) - var(--eco-marker-size, 74px));
}

.ecosystem-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px minmax(0, 1fr);
  align-items: center;
  min-height: 165px;
}

.ecosystem-timeline__item::before,
.ecosystem-timeline__item::after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.ecosystem-timeline__item::before {
  height: 1.5px;
  background: rgba(12, 127, 218, 0.92);
}

.ecosystem-timeline__item::after {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: rgba(12, 127, 218, 0.98);
  box-shadow: 0 0 0 6px rgba(12, 127, 218, 0.08);
}

.ecosystem-timeline__item--left::before {
  left: 34px;
  right: calc(50% + 28px);
}

.ecosystem-timeline__item--left::after {
  left: 28px;
}

.ecosystem-timeline__item--right::before {
  left: calc(50% + 28px);
  right: 34px;
}

.ecosystem-timeline__item--right::after {
  right: 28px;
}

.ecosystem-timeline__marker {
  position: relative;
  z-index: 1;
  grid-column: 2;
  justify-self: center;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border: 2px solid rgba(12, 127, 218, 0.82);
  border-radius: 50%;
  background: rgba(18, 45, 74, 0.98);
  color: var(--text);
  font-size: 24px;
  font-weight: 700;
}

.ecosystem-timeline__content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  max-width: 320px;
  margin-top: 22px;
}

.ecosystem-timeline__title-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: 100%;
}

.ecosystem-timeline__item--left .ecosystem-timeline__content {
  grid-column: 1;
  padding-left: 34px;
}

.ecosystem-timeline__item--right .ecosystem-timeline__content {
  grid-column: 3;
  padding-left: 40px;
}

.ecosystem-timeline__icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.92);
}

.ecosystem-timeline__icon svg,
.ecosystem-timeline__icon img {
  width: 100%;
  height: 100%;
  max-width: 38px;
  max-height: 38px;
  object-fit: contain;
  display: block;
}

.ecosystem-timeline__content h3,
.ecosystem-timeline__title-row h3 {
  margin: 0;
  font-size: 24px;
  line-height: 30px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.ecosystem-timeline__content p,
.ecosystem-timeline__content small {
  margin: 0;
  color: rgba(248, 250, 252, 0.82);
  font-size: 16px;
  line-height: 22px;
  font-weight: 400;
}

.ecosystem-timeline__content small {
  color: rgba(248, 250, 252, 0.68);
  font-size: 15px;
  line-height: 20px;
}

/* Desktop-only timeline: wide arms, dot at branch end, label block below the connector (like design). */
@media (min-width: 981px) {
  .ecosystem-timeline {
    --eco-arm: min(42vw, 420px);
    --eco-marker: 56px;
    --eco-marker-r: calc(var(--eco-marker) / 2);
    --eco-timeline-pad: 40px;
    --eco-item-min: 168px;
    max-width: min(960px, 94vw);
    margin: 72px auto 0;
    padding-bottom: 40px;
  }

  .ecosystem-timeline::before {
    top: calc(var(--eco-marker-r) + 2px);
    bottom: calc(var(--eco-marker-r) + 2px);
    width: 1px;
    background: rgba(12, 127, 218, 0.72);
  }

  .ecosystem-timeline:has(.ecosystem-timeline__item--final)::before {
    bottom: calc(
      var(--eco-timeline-pad) + var(--eco-item-min) - var(--eco-marker)
    );
  }

  .ecosystem-timeline__item {
    display: block;
    min-height: 168px;
  }

  .ecosystem-timeline__item::before,
  .ecosystem-timeline__item::after {
    top: var(--eco-marker-r);
    transform: translateY(-50%);
  }

  .ecosystem-timeline__item::before {
    height: 1px;
    background: rgba(12, 127, 218, 0.85);
  }

  .ecosystem-timeline__item--left::before {
    left: max(0px, calc(50% - var(--eco-arm)));
    right: calc(50% + var(--eco-marker-r));
  }

  .ecosystem-timeline__item--right::before {
    left: calc(50% + var(--eco-marker-r));
    right: max(0px, calc(50% - var(--eco-arm)));
  }

  .ecosystem-timeline__item::after {
    width: 10px;
    height: 10px;
    box-shadow: none;
    background: var(--blue);
    transform: translateY(-50%);
  }

  .ecosystem-timeline__item--left::after {
    left: max(0px, calc(50% - var(--eco-arm) - 5px));
    right: auto;
  }

  .ecosystem-timeline__item--right::after {
    right: max(0px, calc(50% - var(--eco-arm) - 5px));
    left: auto;
  }

  .ecosystem-timeline__marker {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: var(--eco-marker);
    height: var(--eco-marker);
    border-width: 1px;
    font-size: 1.2rem;
    font-weight: 700;
    box-shadow: inset 0 0 12px rgba(12, 127, 218, 0.14);
    border-color: rgba(12, 127, 218, 0.88);
  }

  .ecosystem-timeline__content {
    position: absolute;
    top: calc(var(--eco-marker-r) + 26px);
    max-width: min(300px, 36vw);
    gap: 6px;
    margin-top: 20px;
  }

  .ecosystem-timeline__item--left .ecosystem-timeline__content {
    left: max(0px, calc(50% - var(--eco-arm)));
    right: auto;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
    transform: none;
    text-align: left;
  }

  .ecosystem-timeline__item--right .ecosystem-timeline__content {
    right: max(0px, calc(50% - var(--eco-arm)));
    left: auto;
    margin-left: 0;
    padding-left: 0;
    padding-right: 0;
    transform: none;
    text-align: left;
  }

  .ecosystem-timeline__icon {
    width: 40px;
    height: 40px;
  }

  .ecosystem-timeline__icon svg,
  .ecosystem-timeline__icon img {
    max-width: 40px;
    max-height: 40px;
  }

  .ecosystem-timeline__content h3 {
    font-size: 22px;
    line-height: 28px;
    white-space: normal;
  }

  .ecosystem-timeline__content p,
  .ecosystem-timeline__content small {
    font-size: 15px;
    line-height: 21px;
    white-space: normal;
  }

  .ecosystem-timeline__content small {
    font-size: 14px;
    line-height: 19px;
  }
}

/* Story sections: two-column narrative + layered imagery */
.story-section {
  padding-top: 100px;
  padding-bottom: 100px;
}

.story-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 645px) minmax(0, 510px);
  justify-content: space-between;
  gap: 45px;
}

.story-section--reverse {
  padding-top: 100px;
  padding-bottom: 100px;
}

.story-section--reverse .story-section__grid {
  grid-template-columns: minmax(0, 513px) minmax(0, 633px);
  align-items: start;
}

.story-section--reverse .story-section__grid--infrastructure {
  grid-template-columns: minmax(0, 480px) minmax(0, 660px);
  gap: 40px;
}

.story-section__copy--infrastructure {
  max-width: 480px;
}

.story-section__copy--infrastructure h2 {
  max-width: 38ch;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.story-section__copy--infrastructure h2 + p {
  margin-top: 40px;
}

.story-section__copy--infrastructure p + p {
  margin-top: 30px;
}

.story-section__copy--infrastructure p.story-section__body--infra {
  font-weight: 300;
  color: rgba(248, 250, 252, 0.82);
  line-height: 1.62;
  letter-spacing: 0.01em;
}


.compliance-section__grid {
  display: grid;
  justify-content: space-between;
  gap: 45px;
}

.compliance-section__copy p {
  margin: 0;
  font-size: 16px;
  line-height: 24px;
}

.story-section__copy p + p,
.compliance-section__copy p + p {
  margin-top: 28px;
}

/* “Standard” story block: spacing + width like design reference */
.story-section__copy--standard {
  max-width: 540px;
  padding-top: 20px;
}

.story-section__copy--standard h2 {
  max-width: 34ch;
  letter-spacing: -0.02em;
}

.story-section__copy--standard h2 + p {
  margin-top: 36px;
}

.story-section__copy--standard p + p {
  margin-top: 20px;
}

.story-section__copy--standard p {
  line-height: 1.62;
  letter-spacing: 0.01em;
}

/* Glow on body copy; first line of paras 1–2 = colon intros, no shadow */
.story-section__copy--standard p.story-section__body {
  text-shadow:
    0 0 22px rgba(147, 197, 253, 0.28),
    0 0 40px rgba(59, 130, 246, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.45);
}

.story-section__copy--standard p.story-section__body:nth-of-type(1)::first-line,
.story-section__copy--standard p.story-section__body:nth-of-type(2)::first-line {
  text-shadow: none;
}

.story-section__media {
  min-height: 525px;
}

.story-section__image {
  position: absolute;
  background: var(--surface-strong);
}

.story-section__image img,
.compliance-section__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-section__media--standard .story-section__image--main {
    top: 20px;
  left: 0;
  bottom: 0;
  width: 346px;
  height: 506px;
  z-index: 1;
}

.story-section__media--standard .story-section__image--overlay {
  right: 0;
  top: 0;
  width: 311px;
  height: 467px;
  z-index: 2;
}

.story-section__seal {
  position: absolute;
  left: 359px;
  bottom: 5px;
  z-index: 3;
  width: 167px;
  box-shadow: var(--shadow-md);
  border-radius: 18px;
}

.story-section__seal img {
  width: 100%;
}

.story-section__media--infrastructure .story-section__image--main {
  right: 0;
  top: 0;
  width: 446px;
  height: 478px;
  z-index: 2;
  border-radius: 14px;
}

.story-section__media--infrastructure .story-section__image--overlay {
  left: 0;
  bottom: 0;
  width: 410px;
  height: 250px;
  z-index: 3;
  border-radius: 16px;
  box-shadow:
    0 22px 56px rgba(0, 0, 0, 0.48),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* Section: Leaders cards */
.leaders-section {
  padding-top: 100px;
  padding-bottom: 100px;
}

.leaders-section h2 {
  max-width: 1120px;
}

.leaders-section__intro {
  max-width: 880px;
  margin: 28px 0 0;
  font-size: 16px;
  font-weight: 300;
  line-height: 24px !important;
}

.leaders-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 382px));
  justify-content: space-between;
  gap: 27px;
  margin-top: 52px;
}

.leaders-card {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 379px;
  padding: 47px 45px 35px;
  border: 0;
  border-radius: 0;
  background: rgba(20, 44, 74, 0.22);
}

/* Corner-fade accents are enabled per-card using nth-child rules below. */
.leaders-card::before,
.leaders-card::after {
  content: "";
  position: absolute;
  top: 0;
  width: 200px;
  height: 200px;
  pointer-events: none;
  opacity: 0;
  z-index: 2;
  filter: drop-shadow(0 0 6px rgba(24, 161, 255, 0.22));
}

.leaders-card::before {
  left: 0;
  background:
    linear-gradient(90deg, rgba(24, 161, 255, 0.9) 0%, rgba(24, 161, 255, 0.6) 38%, rgba(24, 161, 255, 0) 100%) top / 100% 1.5px no-repeat,
    linear-gradient(180deg, rgba(24, 161, 255, 0.9) 0%, rgba(24, 161, 255, 0.6) 38%, rgba(24, 161, 255, 0) 100%) left / 1.5px 100% no-repeat;
}

.leaders-card::after {
  right: 0;
  background:
    linear-gradient(270deg, rgba(24, 161, 255, 0.9) 0%, rgba(24, 161, 255, 0.6) 38%, rgba(24, 161, 255, 0) 100%) top / 100% 1.5px no-repeat,
    linear-gradient(180deg, rgba(24, 161, 255, 0.9) 0%, rgba(24, 161, 255, 0.6) 38%, rgba(24, 161, 255, 0) 100%) right / 1.5px 100% no-repeat;
}

.leaders-card:nth-child(1)::after {
  opacity: 1;
}

.leaders-card:nth-child(2)::before,
.leaders-card:nth-child(2)::after {
  opacity: 1;
}

.leaders-card:nth-child(3)::before {
  opacity: 1;
}

.leaders-card__icon {
  width: 66px;
  height: 66px;
  color: rgba(255, 255, 255, 0.94);
}

.leaders-card__icon img,
.leaders-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.leaders-card h3 {
  margin: 26px 0 20px;
  font-size: 24px;
  line-height: 30px;
  font-weight: 600;
}

.leaders-card p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 24px;
}

.leaders-card a {
  margin-top: auto;
  color: var(--blue);
  font-size: 16px;
  line-height: 30px;
  font-weight: 400;
}

/* Section: Compliance */
.compliance-section {
  padding-top: 100px;
  padding-bottom: 100px;
}

.compliance-section__media {
  min-height: 386px;
}

.compliance-section__image {
  display: block;
  height: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.compliance-section__grid {
  grid-template-columns: minmax(0, 542px) minmax(0, 621px);
}

/* Section: Proof of concept CTA */
.poc-section {
  position: relative;
  padding-top: 100px;
  padding-bottom: 100px;
  border: 0;
  background-color: #102b4a;
  background:
    radial-gradient(circle at 1px 1px, rgba(12, 127, 218, 0.26) 1.3px, transparent 0) 0 0 / 16px 16px,
    linear-gradient(180deg, rgba(14, 32, 55, 0.9), rgba(13, 31, 53, 0.98));
  background-position: center center, 0 0;
}

.poc-section::before,
.poc-section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  pointer-events: none;
  /* Border colors: #0D0B17 @ 0% → #0070C0 → #0F0E19 @ 0% */
  background: linear-gradient(
    90deg,
    rgba(13, 11, 23, 0) 0%,
    #0070c0 50%,
    rgba(15, 14, 25, 0) 100%
  );
}

/* Mirrored glow aligned to #0070C0 (rgb(0, 112, 192)) */
.poc-section::before {
  top: 0;
  box-shadow:
    0 1px 0 rgba(0, 112, 192, 0.5),
    0 4px 12px rgba(0, 112, 192, 0.28),
    0 10px 28px rgba(0, 112, 192, 0.12);
}

.poc-section::after {
  bottom: 0;
  box-shadow:
    0 -1px 0 rgba(0, 112, 192, 0.5),
    0 -4px 12px rgba(0, 112, 192, 0.28),
    0 -10px 28px rgba(0, 112, 192, 0.12);
}

.poc-section .page-container {
  width: min(100%, 1440px);
}

.poc-section__card {
  position: relative;
  padding: 83px 110px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: center;
}

.poc-section__card::before {
  content: none;
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.02), transparent 20%, transparent 80%, rgba(255, 255, 255, 0.02));
  pointer-events: none;
}

.poc-section__card p {
  color: #FFF;
  text-align: center;
  font-size: 16px;
  font-weight: 300;
  line-height: 24px !important;
}

.poc-section__button,
.site-footer__form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: linear-gradient(180deg, #1592f0, #0f79d4);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(7, 76, 136, 0.25);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.poc-section__button {
  min-width: 341px;
  margin-top: 24px;
  padding: 0 39px;
  border-radius: 8px;
  font-size: 24px;
  line-height: 30px;
  min-height: 56px;
}

/* Footer */
.site-footer {
  padding: 84px 0 58px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 385px) minmax(0, 326px) minmax(0, 277px);
  justify-content: space-between;
  gap: 40px;
  align-items: start;
}

.site-footer__brand img {
  width: min(321px, 100%);
  height: 59px;
  object-fit: fill;
}

.site-footer__brand > p:first-of-type {
  max-width: 385px;
  margin: 28px 0 0;
  font-size: 16px;
  line-height: 22px;
}

.site-footer__meta {
  position: relative;
  margin: 46px 0 0;
  padding-top: 36px;
  border-top: 0;
}

.site-footer__meta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(13, 11, 23, 0) 0%,
    #0070c0 50%,
    rgba(15, 14, 25, 0) 100%
  );
  opacity: 0.9;
}

.site-footer__copyright {
  margin: 18px 0 0;
}

.site-footer__column h2 {
  margin: 0 0 22px;
  font-size: 36px;
  line-height: 36px;
  font-weight: 600;
}

.site-footer__column p {
  margin: 0;
}

.site-footer__column p + p {
  margin-top: 24px;
}

.site-footer__contact-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.site-footer__contact-row + .site-footer__contact-row {
  margin-top: 22px;
}

.site-footer__contact-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.site-footer__contact-icon svg {
  display: block;
  width: 20px;
  height: 20px;
}

.site-footer__contact-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding-top: 1px;
}

.site-footer__contact-label {
  font-size: 16px;
  line-height: 22px;
  font-weight: 600;
  color: var(--text);
}

.site-footer__contact-value {
  font-size: 16px;
  line-height: 22px;
  font-weight: 400;
  color: var(--muted);
  text-decoration: none;
}

a.site-footer__contact-value:hover,
a.site-footer__contact-value:focus-visible {
  color: var(--text);
}

.site-footer__column a:hover,
.site-footer__column a:focus-visible,
.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--text);
}

.site-footer__newsletter {
  position: relative;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 0;
}

.site-footer__newsletter::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(13, 11, 23, 0) 0%,
    #0070c0 50%,
    rgba(15, 14, 25, 0) 100%
  );
  opacity: 0.9;
}

.site-footer__form {
  display: flex;
  margin-top: 22px;
}

.site-footer__form input {
  flex: 1 1 auto;
  min-width: 0;
  height: 40px;
  padding: 0 18px;
  border: 1.5px solid rgba(12, 127, 218, 0.66);
  border-right: 0;
  border-radius: 8px 0 0 8px;
  background: rgba(19, 42, 71, 0.84);
  color: var(--text);
  outline: none;
}

.site-footer__form input::placeholder {
  color: rgba(236, 243, 249, 0.58);
}

.site-footer__form input:focus {
  border-color: rgba(20, 132, 235, 0.9);
}

.site-footer__form button {
  min-width: 103px;
  min-height: 40px;
  border-radius: 0 8px 8px 0;
}

.site-footer__form + small {
  display: block;
  margin-top: 20px;
}

.site-footer__form + small a {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.site-footer__form + small a:hover,
.site-footer__form + small a:focus-visible {
  text-decoration: underline;
}

.site-footer__links {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-footer__social {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 42px;
  padding-top: 42px;
  border-top: 0;
}

.site-footer__social::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(13, 11, 23, 0) 0%,
    #0070c0 50%,
    rgba(15, 14, 25, 0) 100%
  );
  opacity: 0.9;
}

.site-footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-footer__social-link:hover,
.site-footer__social-link:focus-visible {
  opacity: 0.88;
}

.site-footer__social-link:focus-visible {
  outline: 2px solid rgba(0, 112, 192, 0.6);
  outline-offset: 2px;
}

.site-footer__social-link svg {
  display: block;
  width: 24px;
  height: 24px;
}

/* Breakpoint: large tablet and small desktop */
@media (max-width: 1120px) {
  .page-container {
    width: min(calc(100% - 48px), var(--container));
  }

  .site-nav {
    gap: 24px;
  }

  .intro-section__grid,
  .story-section__grid,
  .compliance-section__grid,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .story-section--reverse .story-section__grid--infrastructure {
    grid-template-columns: 1fr;
  }

  .intro-media,
  .story-section__media,
  .compliance-section__media {
    max-width: 760px;
    width: 100%;
  }

  .leaders-grid {
    gap: 28px;
  }

  .leaders-card {
    min-height: 410px;
    padding-inline: 32px;
  }
}

/* Breakpoint: tablet / mobile-nav transition */
@media (max-width: 980px) {
  /* Mobile nav switches to hamburger/X button + fullscreen overlay menu. */
  .site-header__inner {
    gap: 14px;
    padding: 18px 0;
  }

  .site-logo img {
    width: auto;
    height: 32px;
  }

  .site-header__menu {
    display: inline-flex;
    order: 4;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 26px;
    height: 26px;
    cursor: pointer;
    position: relative;
  }

  .site-header__menu span {
    display: block;
    width: 100%;
    height: 2.5px;
    border-radius: 999px;
    background: var(--text);
    transform-origin: center;
    transition: transform 220ms ease, opacity 180ms ease;
  }

  .site-header__menu::after {
    content: "X";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--text);
    font-size: 26px;
    line-height: 1;
    font-weight: 700;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .site-header__toggle:checked + .site-header__menu {
    gap: 0;
    position: fixed;
    top: 20px;
    left: 20px;
    right: auto;
    margin: 0;
    z-index: 1301;
  }

  .site-header__toggle:checked + .site-header__menu span {
    opacity: 0;
  }

  .site-header__toggle:checked + .site-header__menu::after {
    opacity: 1;
    transform: scale(1);
  }

  .site-header__actions {
    order: 3;
    margin-left: auto;
    gap: 10px;
  }

  .site-header__cta {
    width: auto;
    min-width: 0;
    min-height: 42px;
    padding: 6px 14px;
    font-size: 13px;
    line-height: 1.25;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .site-nav {
    display: none;
    order: 5;
    width: 100%;
    margin-left: 0;
    padding: 18px;
    border: 1px solid rgba(12, 127, 218, 0.22);
    border-radius: 12px;
    background: rgba(15, 33, 58, 0.96);
    box-shadow: var(--shadow-md);
  }

  .site-nav__link {
    padding: 6px 0;
  }

  .site-language__arrow {
    display: none;
  }

  .site-header__toggle:checked ~ .site-nav {
    display: grid;
    gap: 8px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    min-height: 100vh;
    margin: 0;
    padding: 74px 24px 24px;
    border: 0;
    border-radius: 0;
    background: rgba(15, 33, 58, 0.98);
    box-shadow: none;
    z-index: 1300;
    overflow-y: auto;
  }

  .site-header__toggle:checked ~ .site-nav .site-nav__link {
    font-size: 1.14rem;
    line-height: 1.55;
    font-weight: 600;
    padding: 10px 0;
  }

  .hero-section {
    min-height: auto;
    padding-bottom: 64px;
  }

  .hero-logo-sequence {
    display: none;
  }

  .hero-section__inner {
    padding-top: 0;
  }

  .hero-section__intro {
    max-width: 680px;
    margin-top: 120px;
  }

  .hero-section__brand img {
    width: min(450px, 64vw);
    /*min-width: 220px;*/
    height: 200px;
    width: auto;
  }

  .hero-section__title {
    max-width: 560px;
    margin-left: 0;
  }

  .hero-section__scroll {
    margin: 82px auto 58px;
  }

  .hero-highlights,
  .leaders-grid {
    grid-template-columns: 1fr;
  }

  .hero-highlights {
    gap: 44px;
    max-width: 440px;
  }

  .hero-highlights__card {
    max-width: none;
    width: 100%;
    text-align: left;
  }

  .formula-board {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .formula-board__operator {
    display: none;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .workflow-step,
  .workflow-step--reverse {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .workflow-step__text {
    max-width: none;
    order: 1;
    text-align: left;
  }

  .workflow-step:not(.workflow-step--reverse) .workflow-step__text,
  .workflow-step--reverse .workflow-step__text {
    text-align: left;
  }

  .workflow-step__icon {
    margin-inline: auto;
    order: 2;
  }

  .workflow-step__icon::before,
  .workflow-step:not(.workflow-step--reverse) .workflow-step__icon::before,
  .workflow-step--reverse .workflow-step__icon::before {
    top: -20px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    border-top: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-bottom: 20px solid rgba(12, 127, 218, 0.92);
  }

  .ecosystem-timeline__content h3 {
    font-size: 1.22rem;
    line-height: 1.34;
  }

  .ecosystem-timeline__content p,
  .ecosystem-timeline__content small {
    font-size: 0.95rem;
    line-height: 1.3;
  }

  .story-section__media,
  .compliance-section__media {
    min-height: 580px;
  }

  .story-section__media--standard .story-section__image--main {
    width: 52%;
  }

  .story-section__media--standard .story-section__image--overlay {
    width: 54%;
  }

  .story-section__media--infrastructure .story-section__image--main {
    width: 64%;
  }

  .story-section__media--infrastructure .story-section__image--overlay {
    width: 58%;
  }

  .poc-section__card {
    padding: 56px 30px;
  }

  .poc-section__button {
    min-width: 0;
    width: 100%;
  }

  .content-section {
    padding-top: 84px;
    padding-bottom: 84px;
  }

  .site-footer__grid {
    gap: 40px;
  }
}

/* Breakpoint: mobile layout */
@media (max-width: 720px) {
  .page-container {
    width: min(calc(100% - 16px), var(--container));
  }

  .site-header__inner {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 6px;
  }

  .site-logo {
    grid-column: 1;
    margin-right: 0;
  }

  .site-logo img {
    width: auto;
    height: 30px;
  }

  .site-header__actions {
    display: flex;
    gap: 4px;
    margin-left: auto;
  }

  .site-header__menu {
    display: inline-flex;
    width: 24px;
    height: 24px;
    gap: 4px;
    margin-left: 4px;
    flex-shrink: 0;
  }

  .site-header__toggle:checked + .site-header__menu {
    position: fixed;
    top: 16px;
    left: auto;
    right: 16px;
    margin: 0;
    z-index: 1301;
  }

  .site-language {
    display: inline-flex;
    gap: 5px;
  }

  .site-language img {
    width: 16px;
    height: 12px;
  }

  .site-language__arrow {
    width: 4px;
    height: 4px;
    border-right-width: 1px;
    border-bottom-width: 1px;
  }

  .site-nav {
    display: none;
  }

  .site-header__cta {
    width: auto;
    min-width: 0;
    min-height: 30px;
    padding: 0 10px;
    font-size: 10px;
    line-height: 1.25;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .hero-section__inner {
    align-items: stretch;
    padding-top: 0;
    text-align: initial;
  }

  .hero-section__intro {
    max-width: 100%;
    margin-top: 120px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-section__brand {
    align-self: auto;
  }

  .hero-section__brand img {
    width: min(215px, 56vw);
    min-width: 155px;
  }

  .hero-section__title {
    max-width: 300px;
    margin-top: 22px;
    margin-left: 0;
    font-size: 16px;
    line-height: 1.3;
  }

  .hero-section__scroll {
    width: 100%;
    margin: 124px auto 44px;
  }

  .hero-highlights {
    gap: 30px;
    max-width: none;
  }

  .hero-highlights__icon {
    width: 62px;
    height: 62px;
    margin: 0 0 14px;
  }

  .hero-highlights__card h2 {
    font-size: 24px;
    line-height: 30px;
  }

  .content-section {
    padding: 0;
  }

  .intro-section {
    padding-top: 48px;
  }

  .intro-copy__lead {
    margin-top: 24px;
  }

  .intro-copy__quote {
    margin-top: 26px;
  }

  .intro-pillars {
    gap: 18px 20px;
  }

  .intro-media {
    min-height: 470px;
    padding-bottom: 56px;
  }

  .intro-media__main {
    width: 100%;
  }

  .intro-media__overlay {
    width: 54%;
  }

  .formula-section {
    padding-top: 44px;
  }

  .formula-node {
    width: min(100%, 236px);
    padding: 36px 24px;
  }

  .formula-copy {
    margin-top: 34px;
  }

  .workflow-section {
    padding-top: 34px;
  }

  .workflow-step__text {
    font-size: 1.08rem;
    line-height: 1.34;
  }

  .workflow-step__icon {
    flex-basis: 130px;
    width: 130px;
  }

  .workflow-step__icon svg,
  .workflow-step__icon img {
    max-width: min(92px, 88%);
    max-height: min(76px, 88%);
  }

  .ecosystem-section {
    padding-top: 52px;
  }

  .ecosystem-section__heading {
    margin-bottom: 40px;
  }

  .ecosystem-timeline {
    max-width: none;
  }

  .ecosystem-timeline::before {
    top: 16px;
    bottom: 16px;
  }

  .ecosystem-timeline:has(.ecosystem-timeline__item--final)::before {
    bottom: calc(112px - 46px);
  }

  .ecosystem-timeline__item {
    grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1fr);
    min-height: 112px;
  }

  .ecosystem-timeline__item--left::before {
    left: 10px;
    right: calc(50% + 22px);
  }

  .ecosystem-timeline__item--left::after {
    left: 4px;
  }

  .ecosystem-timeline__item--right::before {
    left: calc(50% + 22px);
    right: 10px;
  }

  .ecosystem-timeline__item--right::after {
    right: 4px;
  }

  .ecosystem-timeline__marker {
    width: 46px;
    height: 46px;
    font-size: 1rem;
  }

  .ecosystem-timeline__item--left .ecosystem-timeline__content {
    padding-left: 8px;
    padding-right: 10px;
  }

  .ecosystem-timeline__item--right .ecosystem-timeline__content {
    padding-left: 14px;
    padding-right: 0;
  }

  .ecosystem-timeline__content h3 {
    font-size: 1rem;
    line-height: 1.26;
  }

  .ecosystem-timeline__content p,
  .ecosystem-timeline__content small {
    font-size: 0.86rem;
    line-height: 1.26;
  }

  .ecosystem-timeline__content {
    margin-top: 14px;
  }

  .story-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .page-container.story-section__grid {
    grid-template-columns: 1fr;
  }

  .story-section__copy p + p,
  .compliance-section__copy p + p {
        margin-top: 16px;
    font-size: 14px;
}
  }

  .story-section__copy--standard h2 + p {
    margin-top: 28px;
  }

  .story-section__copy--standard p + p {
    margin-top: 24px;
  }

  .story-section__copy--infrastructure h2 + p {
    margin-top: 28px;
  }

  .story-section__copy--infrastructure p + p {
    margin-top: 24px;
  }

  .story-section--reverse .story-section__media {
    order: 1;
  }

  .story-section--reverse .story-section__copy {
    order: 2;
  }

  .story-section__media,
  .compliance-section__media {
    min-height: 420px;
  }

  .story-section__media--standard .story-section__image--main {
    width: 56%;
    height: 84%;
  }

  .story-section__media--standard .story-section__image--overlay {
    width: 58%;
    height: 76%;
  }

  .story-section__seal {
    width: 110px;
    bottom: 12px;
  }

  .story-section__media--infrastructure .story-section__image--main {
    width: 66%;
    height: 72%;
  }

  .story-section__media--infrastructure .story-section__image--overlay {
    width: 62%;
    height: 38%;
  }

  .leaders-section__intro {
    margin-top: 20px;
  }

  .leaders-card {
    min-height: 0;
    padding: 32px 24px;
  }

  .leaders-card h3 {
    margin-top: 20px;
    margin-bottom: 16px;
  }

  .compliance-section__media {
    min-height: 280px;
  }

  .poc-section__card {
    padding: 46px 18px;
  }

  .content-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .site-footer {
    padding-top: 54px;
    padding-bottom: 36px;
  }

  .site-footer__brand img {
    width: min(320px, 100%);
  }

  .site-footer__brand > p:first-of-type {
    margin-top: 18px;
  }

  .site-footer__meta {
    margin-top: 28px;
    padding-top: 28px;
  }

  .site-footer__column h2 {
    margin-bottom: 16px;
  }

  .site-footer__form {
    flex-direction: row;
  }

  .site-footer__form input {
    height: 48px;
  }

  .site-footer__form button {
    min-width: 120px;
    min-height: 48px;
  }
}

/* Breakpoint: small mobile */
@media (max-width: 480px) {
  .page-container {
    width: min(calc(100% - 30px), 390px);
  }

  .site-header__inner {
    position: relative;
    min-height: 50px;
    padding-top: 21px;
    align-items: flex-start;
  }

  .site-logo {
    position: absolute;
    left: 0;
    top: 21px;
  }

  .site-logo img {
    width: 155px;
    height: 29px;
  }

  .site-header__actions {
    position: absolute;
    top: 23px;
    right: 58px;
    gap: 9px;
    margin: 0;
  }

  .site-header__cta {
    width: auto;
    min-width: 0;
    min-height: 29px;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.2;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Bengali label is longer: keep one line without crowding the menu icon */
  body.bts-lang-bn .site-header__cta {
    font-size: 12px;
    padding: 5px 10px;
  }

  .site-language {
    gap: 5px;
  }

  .site-language img {
    width: 24px;
    height: 17px;
  }

  .site-header__menu {
    position: absolute;
    top: 23px;
    right: 20px;
    display: inline-flex;
    width: 28px;
    height: 28px;
    margin: 0;
  }

  .site-header__toggle:checked + .site-header__menu {
    position: fixed;
    top: 14px;
    left: auto;
    right: 14px;
    margin: 0;
    z-index: 1301;
  }

  .site-header__menu span {
    background: rgba(236, 243, 249, 0.9);
  }

  .hero-section {
    min-height: 1574px;
    padding-bottom: 0;
  }

  .hero-section__inner {
    padding-top: 0;
    align-items: stretch;
    text-align: initial;
  }

  .hero-section__intro {
    max-width: 100%;
    margin-top: 120px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-section__brand {
    margin-left: 0;
    align-self: auto;
  }

  .hero-section__brand img {
    width: 220px;
    min-width: 220px;
    height: 53px;
    object-fit: fill;
  }

  .hero-section__title {
    max-width: 326px;
    margin: 15px 0 0;
    font-size: 14px;
    line-height: 27px;
  }

  .hero-section__title strong {
    font-size: 22px;
    font-weight: 800;
  }

  .hero-section__scroll {
    width: 420px;
    max-width: 420px;
    margin: 490px 0 23px -15px;
  }

  .hero-highlights {
    gap: 20px;
    max-width: 390px;
  }

  .hero-highlights__card {
    text-align: left;
  }

  .intro-section {
    padding-top: 48px;
    padding-bottom: 40px;
  }

  .intro-copy h2 {
    font-size: 30px;
    line-height: 40px;
  }

  .intro-copy__lead,
  .intro-copy__quote {
    margin-top: 20px;
    font-size: 24px;
    line-height: 30px;
  }

  .intro-media {
    min-height: 400px;
  }

  .intro-media__main img {
    aspect-ratio: 390 / 323;
  }

  .intro-media__overlay {
    width: 192px;
  }

  .formula-section {
    padding-top: 40px;
    padding-bottom: 35px;
  }

  .section-heading,
  .section-heading--small {
    font-size: 30px;
    line-height: 40px;
  }

  .formula-board {
    width: 390px;
    gap: 0;
  }

  .formula-node {
    width: 194px;
    height: 194px;
    padding: 39px 24px;
  }

  .formula-board__operator {
    display: grid;
    font-size: 34px;
    transform: none;
    margin: 8px 0;
  }

  .formula-copy {
    margin-top: 50px;
  }

  .formula-copy__lead {
    font-size: 24px;
    line-height: 30px;
  }

  .workflow-section {
    padding-top: 40px;
    padding-bottom: 60px;
  }

  .workflow-grid {
    gap: 30px;
    margin-top: 13px;
  }

  .workflow-step__text {
    font-size: 15px;
    line-height: 26px;
    text-align: left;
  }

  .workflow-step--reverse {
    flex-direction: column;
  }

  .workflow-step__icon {
    width: 161px;
    height: 143px;
    flex-basis: 143px;
  }

  .ecosystem-section {
    padding-top: 40px;
    padding-bottom: 100px;
  }

  .ecosystem-section__heading {
    margin-bottom: 23px;
    font-size: 30px;
    line-height: 40px;
  }

  .ecosystem-timeline__content h3 {
    font-size: 0.92rem;
    line-height: 1.22;
  }

  .ecosystem-timeline__content p,
  .ecosystem-timeline__content small {
    font-size: 0.78rem;
    line-height: 1.22;
  }

  .ecosystem-timeline__content {
    margin-top: 10px;
  }

  .story-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .story-section__copy h2,
  .leaders-section h2,
  .compliance-section__copy h2,
  .poc-section__card h2 {
    font-size: 30px;
    line-height: 40px;
  }

  .leaders-section {
    padding-top: 0;
    padding-bottom: 40px;
  }

  .leaders-card {
    min-height: auto;
    padding: 27px 45px 55px;
  }

  .compliance-section {
    padding-top: 0;
    padding-bottom: 40px;
  }

  .compliance-section__media {
    min-height: 247px;
  }

  .poc-section__card {
    padding: 40px 10px;
  }

  .content-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .site-footer {
    padding: 40px 0 35px;
  }

  .site-footer__grid {
    gap: 32px;
  }

  .site-footer__column h2 {
    font-size: 24px;
    line-height: 36px;
  }
}