@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-latin-variable.woff2") format("woff2-variations");
}

@font-face {
  font-family: "Inter";
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-latin-variable-italic.woff2") format("woff2-variations");
}

:root {
  --ink: #11162e;
  --ink-soft: #343a54;
  --muted: #697087;
  --line: #dfe3ee;
  --surface: #f6f7fb;
  --white: #fff;
  --blue: #2C27FF;
  --cyan: #09f;
  --violet: #5B81FF;
  --soft-violet: #A29CFF;
  --electric-indigo: #5B81FF;
  --lavender: #D3D0FF;
  --green: #24b48a;
  --orange: #f3a44b;
  --gradient: linear-gradient(var(--soft-violet), var(--electric-indigo));
  --container: 1180px;
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 38px;
  --shadow: 0 26px 80px rgba(19, 25, 57, 0.13);
  --font: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  position: fixed;
  right: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
}

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

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

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.04em;
  line-height: 1.08;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(3.2rem, 6vw, 5.7rem);
  font-weight: 650;
}

h2 {
  margin-bottom: 26px;
  font-size: clamp(2.5rem, 4.7vw, 4.55rem);
  font-weight: 620;
}

h3 {
  font-size: 1.45rem;
}

em {
  color: var(--violet);
  font-family: var(--font);
  font-style: italic;
  font-weight: 430;
  letter-spacing: -0.055em;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 126px 0;
}

.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: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid rgba(0, 153, 255, 0.55);
  outline-offset: 4px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 8px;
  height: 8px;
  background: var(--gradient);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(0, 153, 255, 0.1);
}

.eyebrow.dark {
  color: var(--ink-soft);
}

.eyebrow.light {
  color: #bac4e9;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 27px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 15px 35px rgba(74, 79, 255, 0.27);
}

.button-primary:hover {
  box-shadow: 0 19px 42px rgba(74, 79, 255, 0.36);
}

.button-small {
  min-height: 43px;
  padding-inline: 20px;
  font-size: 0.83rem;
}

.button-dark {
  color: var(--white);
  background: var(--ink);
}

.button-white {
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 16px 38px rgba(18, 24, 52, 0.16);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-block: 8px;
  border-bottom: 1px solid rgba(17, 22, 46, 0.28);
  font-size: 0.92rem;
  font-weight: 700;
}

.text-link span {
  font-size: 1.1rem;
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translate(3px, 3px);
}

.text-link.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.36);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  padding: 18px 0;
  transition: padding 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 35px rgba(17, 22, 46, 0.08);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo-image {
  width: 190px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 29px;
}

.site-nav > a:not(.button) {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.83rem;
  font-weight: 650;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--gradient);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav > a:not(.button):hover::after,
.site-nav > a:not(.button).active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
}

.nav-backdrop {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 820px;
  padding: 158px 0 44px;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(246, 247, 251, 0) 48%, rgba(194, 194, 240, 0.13)),
    var(--white);
}

.hero::before {
  position: absolute;
  top: 0;
  left: 56%;
  width: 1px;
  height: 100%;
  background: linear-gradient(transparent, rgba(17, 22, 46, 0.08), transparent);
  content: "";
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  pointer-events: none;
}

.hero-orb-one {
  top: -210px;
  right: -120px;
  width: 570px;
  height: 570px;
  background: radial-gradient(circle at 35% 65%, rgba(0, 153, 255, 0.16), rgba(136, 85, 255, 0.09) 45%, transparent 70%);
}

.hero-orb-two {
  bottom: 70px;
  left: -240px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.09), transparent 70%);
}

.hero-grid {
  position: relative;
  display: grid;
  width: min(calc(100% - 48px), 1280px);
  align-items: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(58px, 5.6vw, 82px);
}

.hero-copy {
  position: relative;
  z-index: 4;
  max-width: 570px;
}

.hero-copy h1 {
  max-width: 570px;
  margin-bottom: 24px;
  font-size: clamp(2.3rem, 3.7vw, 3.3rem);
  line-height: 1.04;
}

.hero-copy h1 span,
.hero-copy h1 em {
  display: block;
  white-space: nowrap;
}

.hero-copy h1 em {
  margin-top: 9px;
}

.hero-lead {
  max-width: 520px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 1.12rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
}

.hero-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding: 0;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  list-style: none;
}

.hero-checks li::before {
  display: inline-grid;
  width: 16px;
  height: 16px;
  margin-right: 7px;
  color: var(--blue);
  content: "✓";
  font-size: 0.7rem;
  place-items: center;
  background: rgba(0, 102, 255, 0.08);
  border-radius: 50%;
}

.hero-product {
  position: relative;
  z-index: 2;
  display: flex;
  min-width: 0;
  min-height: 520px;
  align-items: center;
  justify-content: flex-end;
}

.product-halo {
  position: absolute;
  top: 20px;
  right: -110px;
  bottom: 20px;
  left: 0;
  background: linear-gradient(145deg, rgba(194, 194, 240, 0.5), rgba(0, 153, 255, 0.16) 46%, rgba(136, 85, 255, 0.26));
  border-radius: 48% 52% 44% 56% / 52% 38% 62% 48%;
  transform: rotate(-5deg);
}

.app-window {
  position: relative;
  z-index: 2;
  width: min(100%, 690px);
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(17, 22, 46, 0.08);
  border-radius: 18px;
  box-shadow: 0 40px 90px rgba(17, 22, 46, 0.22);
  transform: none;
}

.app-window-bar {
  display: grid;
  height: 50px;
  align-items: center;
  padding: 0 17px;
  color: #84899b;
  background: #fbfbfd;
  border-bottom: 1px solid #eceef4;
  font-size: 0.65rem;
  grid-template-columns: 1fr 1fr 1fr;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots i {
  width: 7px;
  height: 7px;
  background: #dadce4;
  border-radius: 50%;
}

.window-title {
  text-align: center;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 6px;
  color: #399d80;
}

.live-indicator i {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(36, 180, 138, 0.1);
}

.app-layout {
  display: grid;
  min-height: 390px;
  grid-template-columns: 64px 1fr;
}

.app-sidebar {
  display: flex;
  align-items: center;
  padding: 16px 13px;
  background: #14192f;
  flex-direction: column;
  gap: 18px;
}

.mini-brand {
  width: 30px;
  height: 24px;
  margin-bottom: 10px;
  object-fit: contain;
}

.side-item {
  display: block;
  width: 28px;
  height: 7px;
  background: rgba(255, 255, 255, 0.13);
  border-radius: 6px;
}

.side-item.active {
  height: 28px;
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.side-item.short {
  width: 18px;
}

.app-content {
  padding: 26px 24px;
  overflow: hidden;
}

.app-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.app-heading div {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.app-heading div span {
  width: 62px;
  height: 5px;
  background: #c5c9d6;
  border-radius: 5px;
}

.app-heading div strong {
  width: 112px;
  height: 10px;
  background: #292e47;
  border-radius: 6px;
}

.app-heading button {
  padding: 6px 12px;
  color: #72788d;
  background: #f6f7fa;
  border: 1px solid #e7e9f0;
  border-radius: 7px;
  font-size: 0.6rem;
}

.kpi-row {
  display: grid;
  margin-bottom: 22px;
  gap: 10px;
  grid-template-columns: repeat(3, 1fr);
}

.kpi-row article {
  padding: 13px 14px;
  background: #f7f8fb;
  border: 1px solid #eceef4;
  border-radius: 10px;
}

.kpi-row article > * {
  display: block;
}

.kpi-row span,
.kpi-row small {
  color: #8a90a3;
  font-size: 0.52rem;
}

.kpi-row strong {
  margin: 4px 0 1px;
  color: #20263f;
  font-size: 1.05rem;
}

.kpi-row .kpi-alert {
  background: rgba(136, 85, 255, 0.06);
  border-color: rgba(136, 85, 255, 0.16);
}

.process-table {
  min-width: 520px;
  border: 1px solid #eceef4;
  border-radius: 10px;
}

.table-head,
.table-row {
  display: grid;
  align-items: center;
  padding: 0 14px;
  font-size: 0.54rem;
  grid-template-columns: 1.5fr 0.9fr 0.55fr 0.75fr;
}

.table-head {
  height: 31px;
  color: #9ba0b0;
  background: #fafafd;
  border-bottom: 1px solid #eceef4;
  text-transform: uppercase;
}

.table-row {
  height: 48px;
  color: #51576b;
  border-bottom: 1px solid #f0f1f5;
}

.table-row:last-child {
  border-bottom: 0;
}

.table-row > span:first-child {
  display: flex;
  align-items: center;
  color: #292e47;
  font-weight: 650;
}

.file-icon {
  width: 18px;
  height: 21px;
  margin-right: 8px;
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.25);
  border-radius: 4px;
}

.file-icon.violet {
  background: rgba(136, 85, 255, 0.1);
  border-color: rgba(136, 85, 255, 0.28);
}

.file-icon.cyan {
  background: rgba(0, 153, 255, 0.1);
  border-color: rgba(0, 153, 255, 0.28);
}

.status {
  justify-self: start;
  padding: 3px 8px;
  border-radius: 999px;
}

.status.success {
  color: #178966;
  background: rgba(36, 180, 138, 0.1);
}

.status.progress {
  color: #6d43d3;
  background: rgba(136, 85, 255, 0.1);
}

.muted-row {
  opacity: 0.63;
}

.floating-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  min-width: 210px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 13px;
  box-shadow: 0 17px 50px rgba(17, 22, 46, 0.18);
  backdrop-filter: blur(12px);
  gap: 11px;
  animation: float 5s ease-in-out infinite;
}

.floating-card-one {
  right: 15px;
  bottom: 34px;
}

.floating-card-two {
  top: 66px;
  right: 24px;
  left: auto;
  animation-delay: -2.4s;
}

.floating-icon {
  display: grid;
  width: 35px;
  height: 35px;
  flex: none;
  color: var(--white);
  border-radius: 10px;
  font-weight: 800;
  place-items: center;
}

.floating-icon.check {
  background: var(--green);
}

.floating-icon.route {
  background: var(--gradient);
}

.floating-card strong,
.floating-card small {
  display: block;
}

.floating-card strong {
  color: #282e46;
  font-size: 0.7rem;
}

.floating-card small {
  margin-top: 2px;
  color: #8a90a2;
  font-size: 0.54rem;
}

.hero-footnote {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 70px;
  color: var(--muted);
  font-size: 0.72rem;
  gap: 24px;
}

.hero-footnote strong {
  color: var(--ink-soft);
  font-weight: 650;
}

.hero-line {
  height: 1px;
  flex: 1;
  background: var(--line);
}

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

/* Section headings */
.section-heading {
  margin-bottom: 68px;
}

.split-heading {
  display: grid;
  align-items: end;
  grid-template-columns: 1.5fr 0.7fr;
  gap: 100px;
}

.split-heading h2 {
  margin-bottom: 0;
}

.split-heading > p,
.centered > p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading.centered {
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading.centered .eyebrow {
  justify-content: center;
}

.split-heading.compact {
  margin-bottom: 48px;
}

/* Value cards */
.section-intro {
  background: var(--surface);
}

.value-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.value-card {
  position: relative;
  min-height: 380px;
  padding: 35px 34px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(17, 22, 46, 0.07);
  border-radius: var(--radius);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.value-card::after {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle, rgba(0, 153, 255, 0.1), transparent 68%);
  border-radius: 50%;
  content: "";
}

.value-card:hover {
  box-shadow: 0 24px 55px rgba(17, 22, 46, 0.1);
  transform: translateY(-6px);
}

.value-card.featured {
  color: var(--white);
  background: linear-gradient(145deg, #151a33, #26214d);
}

.value-card.featured::after {
  background: radial-gradient(circle, rgba(136, 85, 255, 0.33), transparent 68%);
}

.card-number {
  color: #a0a6b7;
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.featured .card-number {
  color: #8189a6;
}

.line-icon {
  width: 60px;
  margin: 74px 0 35px;
  color: var(--blue);
}

.line-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.featured .line-icon {
  color: #a98cff;
}

.value-card h3 {
  margin-bottom: 16px;
  font-size: 1.65rem;
}

.value-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.value-card.featured p {
  color: #b9bed0;
}

/* Process */
.process-section {
  color: var(--white);
  background: #12172e;
}

.process-grid {
  display: grid;
  align-items: center;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 84px;
}

.process-copy h2 em,
.tech-copy h2 em,
.cta-inner h2 em {
  color: #a98bff;
}

.process-copy > p:not(.eyebrow),
.tech-copy > p:not(.eyebrow) {
  max-width: 470px;
  margin-bottom: 30px;
  color: #aeb5ca;
}

.network {
  position: relative;
  display: grid;
  min-height: 390px;
  align-items: center;
  grid-template-columns: 1fr 1fr;
}

.network-column {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.target-column {
  align-items: flex-end;
}

.network-label {
  margin-bottom: 2px;
  color: #7f87a5;
  font-size: 0.63rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.system-node {
  display: flex;
  width: 158px;
  height: 58px;
  align-items: center;
  padding: 0 17px;
  color: #d7dbea;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 13px;
  font-size: 0.78rem;
  font-weight: 650;
  gap: 10px;
  backdrop-filter: blur(10px);
}

.node-dot {
  width: 9px;
  height: 9px;
  flex: none;
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 0 5px currentColor;
}

.node-dot.cyan { color: rgba(0, 153, 255, 0.25); background: var(--cyan); }
.node-dot.blue { color: rgba(0, 102, 255, 0.25); background: var(--blue); }
.node-dot.violet { color: rgba(136, 85, 255, 0.25); background: var(--violet); }
.node-dot.green { color: rgba(36, 180, 138, 0.25); background: var(--green); }
.node-dot.orange { color: rgba(243, 164, 75, 0.25); background: var(--orange); }

.network-lines {
  position: absolute;
  z-index: 1;
  top: 76px;
  right: 100px;
  bottom: 52px;
  left: 100px;
}

.network-lines svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.network-lines path {
  fill: none;
  stroke: rgba(133, 146, 197, 0.34);
  stroke-dasharray: 6 8;
  stroke-width: 1.3;
  vector-effect: non-scaling-stroke;
  animation: dash 14s linear infinite;
}

@keyframes dash {
  to { stroke-dashoffset: -160; }
}

.hub-node {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: 50%;
  display: flex;
  width: 200px;
  height: 150px;
  align-items: center;
  justify-content: center;
  background: #1a203d;
  border: 1px solid rgba(175, 146, 255, 0.35);
  border-radius: 25px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.28), 0 0 80px rgba(136, 85, 255, 0.12);
  flex-direction: column;
  transform: translate(-50%, -50%);
}

.hub-logo {
  width: 56px;
  height: 38px;
  margin-bottom: 12px;
  object-fit: contain;
}

.hub-node strong {
  font-size: 0.96rem;
}

.hub-node small {
  margin-top: 4px;
  color: #8790ad;
  font-size: 0.56rem;
}

/* Features */
.features-section {
  background: var(--white);
}

.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  min-height: 280px;
  padding: 31px;
  background: var(--surface);
  border: 1px solid rgba(17, 22, 46, 0.055);
  border-radius: var(--radius);
  transition: border-color 180ms ease, transform 180ms ease;
}

.feature-card:hover {
  border-color: rgba(0, 102, 255, 0.2);
  transform: translateY(-4px);
}

.feature-card-large {
  display: grid;
  color: var(--white);
  background: linear-gradient(145deg, #151a33, #25204a);
  grid-column: span 2;
  grid-template-columns: 0.32fr 1fr;
  gap: 30px;
}

.feature-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 64px;
  color: var(--blue);
  background: var(--white);
  border: 1px solid rgba(17, 22, 46, 0.07);
  border-radius: 15px;
  place-items: center;
}

.feature-icon svg {
  width: 26px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.gradient-icon {
  width: 72px;
  height: 72px;
  margin: 0;
  color: var(--white);
  background: var(--gradient);
  border: 0;
  border-radius: 20px;
}

.gradient-icon svg {
  width: 34px;
}

.feature-tag {
  display: inline-block;
  margin-bottom: 14px;
  color: #9e86f3;
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.feature-card h3 {
  margin-bottom: 14px;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.feature-card-large p {
  max-width: 620px;
  color: #b8bed1;
}

.mini-list {
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 24px 0 0;
  color: #d0d4df;
  font-size: 0.72rem;
  list-style: none;
  gap: 9px 22px;
}

.mini-list li::before {
  margin-right: 7px;
  color: #9f85ff;
  content: "✓";
}

/* Use cases */
.use-cases {
  background: var(--surface);
}

.tabs {
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(17, 22, 46, 0.07);
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 75px rgba(17, 22, 46, 0.08);
}

.tab-list {
  display: grid;
  padding: 9px;
  background: #f0f2f7;
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(4, 1fr);
}

.tab-list button {
  min-height: 51px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 15px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.tab-list button[aria-selected="true"] {
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 5px 16px rgba(17, 22, 46, 0.08);
}

.tab-panel {
  display: grid;
  min-height: 470px;
  align-items: center;
  padding: 58px 64px;
  grid-template-columns: 1fr 0.85fr;
  gap: 75px;
}

.tab-panel[hidden] {
  display: none;
}

.case-number {
  display: block;
  margin-bottom: 25px;
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.case-copy h3 {
  max-width: 610px;
  margin-bottom: 20px;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
}

.case-copy > p {
  color: var(--muted);
}

.check-list {
  padding: 0;
  margin: 27px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 9px 0 9px 31px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
}

.check-list li::before {
  position: absolute;
  top: 10px;
  left: 0;
  display: grid;
  width: 19px;
  height: 19px;
  color: var(--blue);
  background: rgba(0, 102, 255, 0.09);
  border-radius: 50%;
  content: "✓";
  font-size: 0.65rem;
  place-items: center;
}

.case-visual {
  position: relative;
  min-height: 315px;
  background: linear-gradient(145deg, #f7f8fc, #ebeef7);
  border: 1px solid #e5e8f1;
  border-radius: 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.market-visual {
  display: grid;
  align-items: center;
  justify-items: center;
}

.visual-card {
  position: absolute;
  top: 36px;
  left: 30px;
  display: grid;
  width: 155px;
  padding: 16px;
  background: var(--white);
  border: 1px solid #e3e6ef;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(17, 22, 46, 0.08);
  grid-template-columns: auto 1fr;
  gap: 3px 10px;
}

.visual-card > span {
  display: grid;
  width: 28px;
  height: 28px;
  color: var(--blue);
  background: rgba(0, 102, 255, 0.08);
  border-radius: 8px;
  font-size: 0.55rem;
  font-weight: 800;
  grid-row: span 2;
  place-items: center;
}

.visual-card strong { font-size: 0.65rem; }
.visual-card small { color: var(--muted); font-size: 0.5rem; }

.visual-hub {
  position: relative;
  z-index: 3;
  display: grid;
  width: 78px;
  height: 78px;
  color: var(--white);
  background: var(--gradient);
  border: 9px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  box-shadow: 0 15px 40px rgba(77, 83, 255, 0.28);
  place-items: center;
}

.visual-hub img {
  width: 49px;
  height: 34px;
  object-fit: contain;
}

.visual-route {
  position: absolute;
  top: 112px;
  right: 212px;
  width: 125px;
  height: 50px;
  border-left: 1px dashed #a6aec5;
  border-bottom: 1px dashed #a6aec5;
  border-radius: 0 0 0 28px;
}

.visual-route i {
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 7px;
  height: 7px;
  background: var(--violet);
  border-radius: 50%;
}

.visual-destinations {
  position: absolute;
  right: 25px;
  bottom: 27px;
  display: flex;
  gap: 7px;
}

.visual-destinations span {
  padding: 9px 11px;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid #e0e3ed;
  border-radius: 9px;
  font-size: 0.56rem;
  font-weight: 750;
}

.task-visual {
  padding: 29px;
}

.task-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  margin-bottom: 11px;
  border-bottom: 1px solid #dfe3ed;
  font-size: 0.78rem;
  font-weight: 750;
}

.task-head i {
  padding: 4px 8px;
  color: #7450d3;
  background: rgba(136, 85, 255, 0.1);
  border-radius: 999px;
  font-size: 0.5rem;
  font-style: normal;
}

.task-step {
  position: relative;
  display: flex;
  align-items: center;
  padding: 15px 10px;
  color: #858b9d;
  gap: 13px;
}

.task-step:not(:last-child)::after {
  position: absolute;
  top: 47px;
  bottom: -12px;
  left: 26px;
  width: 1px;
  background: #d7dbe6;
  content: "";
}

.task-step b {
  display: grid;
  z-index: 1;
  width: 33px;
  height: 33px;
  flex: none;
  background: #e2e5ed;
  border-radius: 10px;
  font-size: 0.66rem;
  place-items: center;
}

.task-step span > * { display: block; }
.task-step strong { font-size: 0.66rem; }
.task-step small { margin-top: 3px; font-size: 0.53rem; }
.task-step.done b { color: var(--white); background: var(--green); }
.task-step.current { color: var(--ink); }
.task-step.current b { color: var(--white); background: var(--gradient); }

.transfer-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.transfer-source {
  position: absolute;
  top: 28px;
  left: 25px;
  display: flex;
  gap: 6px;
}

.transfer-source span {
  padding: 7px 10px;
  color: var(--muted);
  background: var(--white);
  border: 1px solid #e0e3ed;
  border-radius: 8px;
  font-size: 0.52rem;
  font-weight: 750;
}

.transfer-file {
  display: flex;
  width: 195px;
  height: 95px;
  align-items: center;
  padding: 18px;
  background: var(--white);
  border: 1px solid #dce0eb;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(17, 22, 46, 0.09);
  flex-direction: column;
  justify-content: center;
}

.transfer-file i {
  width: 23px;
  height: 27px;
  margin-bottom: 7px;
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.3);
  border-radius: 5px;
}

.transfer-file strong { font-size: 0.66rem; }
.transfer-file small { margin-top: 3px; color: var(--muted); font-size: 0.52rem; }

.transfer-target {
  position: absolute;
  right: 23px;
  bottom: 25px;
  display: flex;
  align-items: center;
  padding: 12px 15px;
  background: var(--white);
  border: 1px solid #dfe3ec;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(17, 22, 46, 0.08);
  gap: 10px;
}

.transfer-target b {
  display: grid;
  width: 27px;
  height: 27px;
  color: var(--white);
  background: var(--green);
  border-radius: 8px;
  font-size: 0.6rem;
  place-items: center;
}

.transfer-target span > * { display: block; }
.transfer-target strong { font-size: 0.6rem; }
.transfer-target small { color: var(--muted); font-size: 0.48rem; }

.data-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.data-system {
  display: grid;
  width: 90px;
  height: 90px;
  color: var(--white);
  background: var(--blue);
  border-radius: 23px;
  box-shadow: 0 16px 34px rgba(0, 102, 255, 0.22);
  place-content: center;
  text-align: center;
}

.violet-system {
  background: var(--violet);
  box-shadow: 0 16px 34px rgba(136, 85, 255, 0.22);
}

.data-system strong { font-size: 0.82rem; }
.data-system small { margin-top: 3px; opacity: 0.7; font-size: 0.51rem; }

.data-sync {
  display: flex;
  color: var(--muted);
  flex-direction: column;
  text-align: center;
}

.data-sync span { color: var(--ink); font-size: 2rem; }
.data-sync small { font-size: 0.53rem; }

.sync-status {
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  color: #208b6b;
  background: rgba(36, 180, 138, 0.1);
  border-radius: 999px;
  font-size: 0.56rem;
  font-weight: 700;
  gap: 7px;
}

.sync-status i {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
}

/* Technology */
.tech-section {
  color: var(--white);
  background:
    radial-gradient(circle at 75% 50%, rgba(136, 85, 255, 0.12), transparent 35%),
    #12172e;
  overflow: hidden;
}

.tech-grid {
  display: grid;
  align-items: center;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
}

.tech-points {
  display: grid;
  margin-top: 45px;
  gap: 0;
  grid-template-columns: repeat(2, 1fr);
}

.tech-points div {
  padding: 19px 20px 19px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.tech-points strong,
.tech-points span {
  display: block;
}

.tech-points strong {
  margin-bottom: 5px;
  font-size: 0.82rem;
}

.tech-points span {
  color: #8e97b4;
  font-size: 0.68rem;
  line-height: 1.5;
}

.tech-stack {
  position: relative;
  min-height: 580px;
}

.stack-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(166, 174, 209, 0.16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one { width: 330px; height: 330px; }
.orbit-two { width: 520px; height: 520px; }

.stack-center {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 170px;
  height: 170px;
  color: var(--white);
  background: #1d2342;
  border: 1px solid rgba(159, 133, 255, 0.4);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(136, 85, 255, 0.18);
  place-content: center;
  text-align: center;
  transform: translate(-50%, -50%);
}

.stack-center span {
  display: grid;
  width: 54px;
  height: 54px;
  margin: 0 auto 10px;
  background: var(--gradient);
  border-radius: 17px;
  place-items: center;
}

.stack-center span img {
  width: 39px;
  height: 27px;
  object-fit: contain;
}

.stack-center strong {
  font-size: 0.82rem;
}

.stack-item {
  position: absolute;
  z-index: 3;
  display: flex;
  width: 132px;
  height: 72px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.14);
  flex-direction: column;
  backdrop-filter: blur(12px);
}

.stack-item::before {
  position: absolute;
  top: 13px;
  left: 13px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 153, 255, 0.1);
  content: "";
}

.stack-item strong { font-size: 0.72rem; }
.stack-item small { margin-top: 3px; color: #7f89a9; font-size: 0.53rem; }
.stack-python { top: 5%; left: 36%; }
.stack-django { top: 24%; right: 2%; }
.stack-postgres { right: 7%; bottom: 15%; }
.stack-celery { bottom: 7%; left: 22%; }
.stack-api { top: 29%; left: -2%; }
.stack-django::before { background: var(--green); box-shadow: 0 0 0 4px rgba(36, 180, 138, 0.1); }
.stack-postgres::before { background: #7d91d1; box-shadow: 0 0 0 4px rgba(125, 145, 209, 0.1); }
.stack-celery::before { background: var(--orange); box-shadow: 0 0 0 4px rgba(243, 164, 75, 0.1); }
.stack-api::before { background: var(--violet); box-shadow: 0 0 0 4px rgba(136, 85, 255, 0.1); }

/* Customer */
.customer-section {
  background: var(--white);
}

/* FAQ */
.faq-section {
  background: var(--surface);
}

.faq-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}

.faq-item {
  padding: 32px 34px;
  background: var(--white);
  border: 1px solid rgba(17, 22, 46, 0.07);
  border-radius: var(--radius);
}

.faq-item h3 {
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}

.faq-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.customer-card {
  position: relative;
  display: grid;
  align-items: center;
  padding: 70px 75px;
  overflow: hidden;
  background: linear-gradient(130deg, #f2f4fc, #eeebfc);
  border-radius: var(--radius-lg);
  grid-template-columns: 0.14fr 1fr 0.32fr;
  gap: 45px;
}

.customer-card::after {
  position: absolute;
  top: -120px;
  right: -90px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(136, 85, 255, 0.19), transparent 67%);
  border-radius: 50%;
  content: "";
}

.customer-mark {
  align-self: start;
  color: var(--violet);
  font-family: Georgia, serif;
  font-size: 7rem;
  line-height: 0.75;
}

.customer-kicker {
  margin-bottom: 17px;
  color: var(--violet);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.customer-card h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 3vw, 3.1rem);
}

.customer-card > div > p:not(.customer-kicker) {
  max-width: 720px;
  color: var(--muted);
}

.customer-badge {
  position: relative;
  z-index: 2;
  display: grid;
  width: 175px;
  height: 175px;
  color: var(--white);
  background: linear-gradient(145deg, #171c34, #29214d);
  border-radius: 50%;
  place-content: center;
  text-align: center;
}

.customer-badge strong {
  font-size: 2.5rem;
  line-height: 1;
}

.customer-badge span {
  margin-top: 8px;
  color: #b3b9cc;
  font-size: 0.64rem;
  line-height: 1.5;
}

/* References */
.references-section {
  background: var(--white);
}

.references-section .section-heading {
  margin-bottom: 50px;
}

.references-section .section-heading > p {
  max-width: 710px;
  margin-inline: auto;
}

.reference-slider {
  --reference-slot: 184px;
  --reference-logo-height: 92px;
  --reference-gap: 14px;
  position: relative;
}

.reference-viewport {
  position: relative;
  overflow: hidden;
  padding-inline: clamp(12px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fcfcfe;
  isolation: isolate;
}

.reference-viewport::before,
.reference-viewport::after {
  position: absolute;
  z-index: 1;
  top: 0;
  bottom: 0;
  width: clamp(26px, 5vw, 74px);
  content: "";
  pointer-events: none;
}

.reference-viewport::before {
  left: 0;
  background: linear-gradient(90deg, #fcfcfe 6%, rgba(252, 252, 254, 0));
}

.reference-viewport::after {
  right: 0;
  background: linear-gradient(270deg, #fcfcfe 6%, rgba(252, 252, 254, 0));
}

.reference-logos {
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--reference-gap);
  padding: 0;
  padding-right: var(--reference-gap);
  margin: 0;
  list-style: none;
}

.reference-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: reference-slider 34s linear infinite;
}

.reference-slider:hover .reference-track,
.reference-slider:focus-within .reference-track {
  animation-play-state: paused;
}

.reference-logo {
  display: grid;
  flex: 0 0 var(--reference-slot);
  place-items: center;
}

.reference-link {
  display: grid;
  width: 100%;
  height: var(--reference-logo-height);
  padding: 16px;
  border-radius: calc(var(--radius) - 4px);
  background: #fff;
  place-items: center;
}

.reference-link:focus-visible {
  outline: 3px solid var(--violet);
  outline-offset: 2px;
}

.reference-link img {
  display: block;
  width: auto;
  max-width: 132px;
  height: auto;
  max-height: 52px;
  /* filter: grayscale(1) saturate(0) contrast(0.9); */
  object-fit: contain;
  opacity: 0.74;
  transition: filter 180ms ease, opacity 180ms ease;
}

.reference-link:hover img,
.reference-link:focus-visible img {
  filter: grayscale(1) saturate(0) contrast(1);
  opacity: 0.94;
}

.reference-slider-hint {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.reference-slider-hint span {
  color: var(--violet);
  font-size: 1rem;
}

@keyframes reference-slider {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* CTA and footer */
.cta-section {
  position: relative;
  padding: 120px 0;
  color: var(--white);
  background: var(--gradient);
  overflow: hidden;
  text-align: center;
}

.cta-section::before,
.cta-section::after {
  position: absolute;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  content: "";
}

.cta-section::before { top: -120px; left: -70px; }
.cta-section::after { right: -70px; bottom: -170px; }

.cta-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 750px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
  transform: translate(-50%, -50%);
}

.cta-inner {
  position: relative;
  z-index: 2;
}

.cta-inner .eyebrow {
  justify-content: center;
  color: rgba(255, 255, 255, 0.82);
}

.cta-inner .eyebrow > span {
  background: var(--white);
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.12);
}

.cta-inner h2 {
  margin-bottom: 22px;
}

.cta-inner h2 em {
  color: var(--white);
}

.cta-inner > p:not(.eyebrow) {
  max-width: 630px;
  margin: 0 auto 33px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
}

.site-footer {
  padding: 85px 0 26px;
  color: var(--white);
  background: #0e1226;
}

.footer-grid {
  display: grid;
  padding-bottom: 65px;
  grid-template-columns: 1.5fr repeat(3, 0.55fr);
  gap: 55px;
}

.footer-logo .brand-logo-image {
  width: 205px;
}

.footer-brand p {
  max-width: 270px;
  margin: 22px 0 0;
  color: #81899f;
  font-size: 0.78rem;
}

.footer-column {
  display: flex;
  align-items: flex-start;
  margin: 0;
  font-style: normal;
  flex-direction: column;
  gap: 9px;
}

.footer-column address {
  display: flex;
  align-items: flex-start;
  margin: 0;
  font-style: normal;
  flex-direction: column;
  gap: 9px;
}

.footer-column h3 {
  margin-bottom: 13px;
  color: #727b96;
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-column a,
.footer-column span {
  color: #b5bbca;
  font-size: 0.75rem;
}

.footer-column a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 25px;
  color: #6f7892;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 0.66rem;
}

/* Reveals */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2, .7, .2, 1);
}

[data-reveal-delay="1"] { transition-delay: 100ms; }
[data-reveal-delay="2"] { transition-delay: 200ms; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero-copy h1 {
    max-width: 780px;
    font-size: clamp(3rem, 6.5vw, 4.5rem);
  }

  .hero-product {
    width: 100%;
    max-width: 720px;
    margin-inline: auto;
  }

  .app-window {
    width: 100%;
  }

  .process-grid,
  .tech-grid {
    gap: 50px;
  }

  .network-lines {
    right: 70px;
    left: 70px;
  }

  .customer-card {
    padding: 60px 50px;
    grid-template-columns: 0.11fr 1fr 0.28fr;
    gap: 30px;
  }

  .customer-badge {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 920px) {
  .site-header.scrolled,
  .site-header.menu-open {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .site-header.menu-open {
    box-shadow: none;
  }

  .site-nav {
    position: fixed;
    z-index: 101;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(410px, calc(100vw - 24px));
    height: 100vh;
    height: 100dvh;
    align-items: stretch;
    justify-content: center;
    padding:
      calc(105px + env(safe-area-inset-top))
      max(32px, env(safe-area-inset-right))
      calc(38px + env(safe-area-inset-bottom))
      32px;
    overflow-y: auto;
    background: var(--white);
    box-shadow: -20px 0 60px rgba(17, 22, 46, 0.16);
    flex-direction: column;
    gap: 8px;
    overscroll-behavior: contain;
    transform: translate3d(105%, 0, 0);
    transition: transform 260ms cubic-bezier(.22, .8, .24, 1);
    will-change: transform;
  }

  .site-nav.open {
    transform: translate3d(0, 0, 0);
  }

  .site-nav > a:not(.button) {
    display: flex;
    min-height: 58px;
    align-items: center;
    padding: 0 4px;
    color: var(--ink);
    border-bottom: 1px solid rgba(17, 22, 46, 0.09);
    font-size: 1.2rem;
    letter-spacing: -0.025em;
  }

  .site-nav > a:not(.button)::after {
    top: 50%;
    right: 4px;
    bottom: auto;
    left: auto;
    width: 8px;
    height: 8px;
    background: var(--gradient);
    border-radius: 50%;
    transform: translateY(-50%) scale(0);
    transform-origin: center;
  }

  .site-nav > a:not(.button):hover::after,
  .site-nav > a:not(.button).active::after {
    transform: translateY(-50%) scale(1);
  }

  .site-nav .button {
    width: 100%;
    min-height: 54px;
    margin-top: 22px;
  }

  .nav-toggle {
    position: relative;
    z-index: 102;
    display: grid;
    width: 46px;
    height: 46px;
    padding: 0;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 50%;
    box-shadow: 0 6px 18px rgba(17, 22, 46, 0.08);
    cursor: pointer;
    place-content: center;
    gap: 6px;
    transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  }

  .nav-toggle span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 999px;
    transition: transform 180ms ease;
  }

  .nav-toggle[aria-expanded="true"] {
    background: var(--ink);
    border-color: var(--ink);
    box-shadow: 0 10px 26px rgba(17, 22, 46, 0.22);
  }

  .nav-toggle[aria-expanded="true"] span:not(.sr-only) {
    background: var(--white);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(3.75px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-3.75px) rotate(-45deg); }

  .nav-backdrop {
    position: fixed;
    z-index: 100;
    inset: 0;
    display: block;
    background: rgba(14, 18, 38, 0.46);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease, visibility 220ms ease;
    visibility: hidden;
  }

  .nav-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .hero {
    padding-top: 145px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .hero-copy h1 {
    max-width: 700px;
    font-size: clamp(3rem, 8vw, 4.5rem);
  }

  .hero-copy {
    max-width: 690px;
  }

  .hero-product {
    max-width: 720px;
    min-height: 480px;
    margin-inline: auto;
  }

  .app-window {
    width: 100%;
    transform: none;
  }

  .hero::before {
    display: none;
  }

  .split-heading,
  .process-grid,
  .tech-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .split-heading > p {
    max-width: 650px;
  }

  .value-card {
    min-height: 340px;
    padding: 30px;
  }

  .line-icon {
    margin-top: 55px;
  }

  .process-copy,
  .tech-copy {
    max-width: 700px;
  }

  .network {
    max-width: 720px;
    min-height: 370px;
  }

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

  .feature-card-large {
    grid-column: span 2;
  }

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

  .reference-slider {
    --reference-slot: 162px;
    --reference-logo-height: 86px;
  }

  .tab-panel {
    padding: 48px;
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .case-visual {
    width: 100%;
    max-width: 510px;
    min-height: 300px;
  }

  .tech-stack {
    width: 100%;
    max-width: 650px;
    margin-inline: auto;
  }

  .customer-card {
    grid-template-columns: 0.12fr 1fr;
  }

  .customer-badge {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1.2fr repeat(3, 0.7fr);
    gap: 30px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 88px 0;
  }

  .reference-slider {
    --reference-slot: 142px;
    --reference-logo-height: 78px;
    --reference-gap: 10px;
  }

  .reference-link img {
    max-width: 112px;
    max-height: 46px;
  }

  h1,
  .hero-copy h1 {
    font-size: clamp(2.15rem, 9.7vw, 3.3rem);
  }

  h2 {
    font-size: clamp(2.25rem, 11vw, 3.5rem);
  }

  .hero {
    min-height: auto;
    padding-top: 125px;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-checks {
    flex-direction: column;
  }

  .hero-product {
    min-height: 340px;
  }

  .app-window {
    width: 690px;
    transform: scale(0.62);
    transform-origin: left center;
  }

  .brand-logo-image {
    width: 158px;
  }

  .product-halo {
    right: -30px;
    bottom: 18px;
    left: -30px;
  }

  .floating-card {
    display: none;
  }

  .hero-footnote {
    align-items: flex-start;
    margin-top: 25px;
    flex-direction: column;
    gap: 10px;
  }

  .hero-line {
    width: 100%;
    flex: none;
  }

  .section-heading {
    margin-bottom: 45px;
  }

  .split-heading {
    gap: 24px;
  }

  .value-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .value-card {
    min-height: 320px;
  }

  .feature-card-large {
    display: block;
    grid-column: auto;
  }

  .gradient-icon {
    margin-bottom: 35px;
  }

  .feature-icon {
    margin-bottom: 45px;
  }

  .network {
    min-height: 560px;
    grid-template-columns: 1fr 1fr;
  }

  .network-column {
    align-self: start;
  }

  .target-column {
    align-items: flex-end;
  }

  .system-node {
    width: 140px;
    height: 53px;
    padding: 0 12px;
    font-size: 0.7rem;
  }

  .hub-node {
    top: 73%;
  }

  .network-lines {
    display: none;
  }

  .tab-list {
    display: flex;
    padding: 7px;
    overflow-x: auto;
  }

  .tab-list button {
    min-width: 160px;
  }

  .tab-panel {
    padding: 35px 23px;
  }

  .case-visual {
    min-height: 270px;
  }

  .visual-card {
    left: 17px;
  }

  .visual-destinations {
    right: 15px;
  }

  .tech-points {
    grid-template-columns: 1fr;
  }

  .tech-stack {
    min-height: 480px;
    transform: scale(0.83);
    transform-origin: center;
  }

  .orbit-two {
    width: 460px;
    height: 460px;
  }

  .stack-api { left: -16%; }
  .stack-django { right: -14%; }
  .stack-postgres { right: -7%; }

  .customer-card {
    padding: 45px 28px;
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .customer-mark {
    font-size: 5rem;
  }

  .cta-section {
    padding: 90px 0;
  }

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

  .footer-brand {
    grid-column: span 2;
    margin-bottom: 25px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 410px) {
  .app-window {
    transform: scale(0.52);
  }

  .hero-product {
    min-height: 290px;
  }

  .system-node {
    width: 126px;
    font-size: 0.64rem;
  }

  .tech-stack {
    margin-left: -10%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .reference-viewport {
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }
  .reference-viewport::before,
  .reference-viewport::after {
    display: none;
  }
  .reference-track {
    animation: none;
  }
  .reference-logos[aria-hidden="true"] {
    display: none;
  }
  .reference-logo {
    scroll-snap-align: start;
  }
}