:root, [data-theme="dark"] {
  --bg: #0b0d12;
  --bg-2: #11141b;
  --card: #161a23;
  --border: #222836;
  --text: #e6e8ee;
  --muted: #8a93a6;
  --accent: #6c8cff;
  --accent-2: #a78bfa;
  --success: #34d399;
  --header-bg: rgba(11, 13, 18, 0.75);
  --radius: 14px;
  --maxw: 1180px;
}

[data-theme="light"] {
  --bg: #f8f9fb;
  --bg-2: #eef0f4;
  --card: #ffffff;
  --border: #dfe3ea;
  --text: #1a1d26;
  --muted: #5a6178;
  --accent: #4a6cf7;
  --accent-2: #8b5cf6;
  --success: #10b981;
  --header-bg: rgba(248, 249, 251, 0.85);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
/* Inline SVG icons inherit the page text color, so they stay light in dark theme */
.ico {
  display: block;
  color: var(--text);
  stroke: currentColor;
}

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

/* ===== Header ===== */
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.2px;
}
.logo-mark {
  width: 28px; height: 28px;
  display: inline-block;
  object-fit: contain;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: var(--muted);
  font-size: 15px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}
.theme-toggle:hover { border-color: var(--accent); }
[data-theme="light"] .usecase:hover { border-color: #c5cad4; }
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 24px rgba(108,140,255,0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(108,140,255,0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--card); }

/* ===== Hero ===== */
.hero {
  padding: 72px 0 56px;
  text-align: center;
  position: relative;
  overflow: visible;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 500px;
  background:
    radial-gradient(600px 300px at 30% 20%, rgba(108,140,255,0.18), transparent 60%),
    radial-gradient(500px 280px at 70% 30%, rgba(167,139,250,0.15), transparent 60%);
  pointer-events: none;
}
.hero .lead {
  margin-bottom: 40px;
}
.hero .hub-map {
  text-align: left;
}
.hero-slider {
  position: relative;
  max-width: 820px;
  margin: 0 auto 28px;
}
.hero-slides {
  position: relative;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.45s ease, transform 0.45s ease, visibility 0.45s;
  pointer-events: none;
}
.hero-slide.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}
.hero-slide-label {
  display: inline-block;
  margin: 18px 0 0;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(108, 140, 255, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.hero h1 .grad {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 18px;
}
.hero-slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}
.hero-slider-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-slider-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: var(--border);
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease;
}
.hero-slider-dot.is-active {
  width: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.hero-slider-dot:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    transition: none;
    transform: none;
  }
}
.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-cta .btn { padding: 14px 22px; font-size: 15px; }

/* ===== Ecosystem hub map ===== */
.hub-map {
  position: relative;
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(150px, 200px) minmax(200px, 1fr);
  gap: 12px 36px;
  align-items: center;
  min-height: 420px;
  padding: 12px 0 8px;
  overflow: visible;
}
.hub-map__lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
  grid-column: 1 / -1;
  grid-row: 1;
}
.hub-col--left { grid-column: 1; grid-row: 1; }
.hub-col--center { grid-column: 2; grid-row: 1; }
.hub-col--right { grid-column: 3; grid-row: 1; }
.hub-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 5 7;
  opacity: 0.35;
  transition: opacity 0.25s ease, stroke-width 0.25s ease, stroke 0.25s ease;
  animation: hub-flow 2.8s linear infinite;
}
.hub-line:nth-child(1) { animation-delay: 0s; }
.hub-line:nth-child(2) { animation-delay: 0.2s; }
.hub-line:nth-child(3) { animation-delay: 0.4s; }
.hub-line:nth-child(4) { animation-delay: 0.6s; }
.hub-line:nth-child(5) { animation-delay: 0.8s; }
.hub-line:nth-child(6) { animation-delay: 0.1s; }
.hub-line:nth-child(7) { animation-delay: 0.3s; }
.hub-line:nth-child(8) { animation-delay: 0.5s; }
.hub-line:nth-child(9) { animation-delay: 0.7s; }
.hub-line:nth-child(10) { animation-delay: 0.9s; }
.hub-line--user {
  stroke: var(--accent-2);
  animation-duration: 2.2s;
}
@keyframes hub-flow {
  to { stroke-dashoffset: -48; }
}
.hub-map.is-hovering .hub-line {
  opacity: 0.12;
}
.hub-map.is-hovering .hub-line.is-active {
  opacity: 0.95;
  stroke-width: 2.25;
  stroke: var(--accent-2);
}
.hub-col {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: visible;
}
.hub-col:has(.is-active) {
  z-index: 30;
}
.hub-col--left {
  align-items: stretch;
  justify-self: end;
  width: min(100%, 260px);
}
.hub-col--right {
  align-items: stretch;
  justify-self: start;
  width: min(100%, 260px);
}
.hub-col--center {
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 320px;
}
.hub-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.2s, opacity 0.2s;
}
.hub-node__icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: rgba(108, 140, 255, 0.1);
  border: 1px solid rgba(108, 140, 255, 0.18);
}
.hub-col--right .hub-node__icon {
  color: var(--accent-2);
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.18);
}
.hub-node__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.hub-node__title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
}
.hub-node__meta {
  font-size: 12px;
  line-height: 1.35;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hub-node:hover,
.hub-node:focus-visible,
.hub-node.is-active {
  border-color: rgba(108, 140, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(108, 140, 255, 0.12);
  outline: none;
  transform: translateY(-1px);
}
.hub-col--right .hub-node:hover,
.hub-col--right .hub-node:focus-visible,
.hub-col--right .hub-node.is-active {
  border-color: rgba(167, 139, 250, 0.5);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.12);
}
.hub-map.is-hovering .hub-node:not(.is-active) {
  opacity: 0.42;
}
.hub-map.is-hovering .hub-node.is-active,
.hub-map.is-hovering .hub-user.is-active {
  opacity: 1;
  z-index: 40;
}
.hub-tip {
  position: absolute;
  top: 50%;
  z-index: 50;
  width: min(260px, 70vw);
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-50%) scale(0.98);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  text-align: left;
  white-space: normal;
}
.hub-col--left .hub-tip {
  left: calc(100% + 14px);
}
.hub-col--right .hub-tip {
  right: calc(100% + 14px);
  left: auto;
}
.hub-tip__title {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.hub-tip__text {
  display: block;
  font-size: 13px;
  line-height: 1.5;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: normal;
  text-transform: none;
}
.hub-node.is-active .hub-tip,
.hub-node:focus-visible .hub-tip,
.hub-user.is-active .hub-tip {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) scale(1);
}
.hub-tip--user {
  top: auto;
  bottom: calc(100% + 12px);
  left: 50%;
  right: auto;
  width: min(280px, 80vw);
  transform: translate(-50%, 6px) scale(0.98);
}
.hub-user.is-active .hub-tip--user {
  transform: translate(-50%, 0) scale(1);
}
[data-theme="light"] .hub-tip {
  box-shadow: 0 14px 34px rgba(26, 29, 38, 0.12);
}
.hub-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 50% 40%, rgba(108, 140, 255, 0.18), transparent 65%),
    var(--card);
  box-shadow:
    0 0 0 8px rgba(108, 140, 255, 0.06),
    0 16px 40px rgba(0, 0, 0, 0.18);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.hub-core img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.hub-mobile-rail {
  display: none;
}
.hub-user {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: default;
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s, opacity 0.2s;
}
.hub-user__illu {
  color: var(--text);
}
.hub-user:hover,
.hub-user:focus-visible,
.hub-user.is-active {
  border-color: var(--border);
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.14);
  outline: none;
}
.hub-map.is-hovering .hub-user {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  .hub-line {
    animation: none;
  }
  .hub-node {
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  }
  .hub-tip {
    transition: none;
  }
  .hub-node:hover,
  .hub-node:focus-visible,
  .hub-node.is-active {
    transform: none;
  }
}

/* ===== Product showcase ===== */
.product-showcase {
  background: var(--bg-2);
}
.product-block {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
}
.product-block:last-of-type {
  margin-bottom: 0;
}
.product-block--reverse {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}
.product-block--reverse .product-block-copy {
  order: 2;
}
.product-block--reverse .product-block-media {
  order: 1;
}
.product-block-label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(108, 140, 255, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.product-block-copy h3 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.product-block-copy p:not(.product-block-label) {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  max-width: 420px;
}
.product-block-media {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
  padding: 0;
  cursor: zoom-in;
  display: block;
  width: 100%;
  text-align: left;
  color: inherit;
  font: inherit;
}
.product-block-media:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.product-block-media img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
  transition: transform 0.25s ease;
  pointer-events: none;
}
.product-block-media:hover img {
  transform: scale(1.02);
}
[data-theme="dark"] .product-shot--light,
[data-theme="light"] .product-shot--dark,
:root:not([data-theme]) .product-shot--dark {
  display: none;
}
@media (prefers-reduced-motion: reduce) {
  .product-block-media img { transition: none; }
  .product-block-media:hover img { transform: none; }
}

/* ===== А ещё ===== */
.product-also {
  margin-top: 72px;
  padding-top: 8px;
}
.section-head--also {
  margin-bottom: 28px;
}
.section-head--also h2 {
  font-size: clamp(24px, 3vw, 32px);
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 10, 16, 0.88);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s;
  cursor: zoom-out;
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}
.lightbox-img {
  max-width: min(1280px, 100%);
  max-height: calc(100vh - 48px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  cursor: default;
}
.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(22, 26, 35, 0.9);
  color: #e6e8ee;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.lightbox-close:hover {
  background: rgba(40, 46, 60, 0.95);
}
.lightbox-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
body.lightbox-open {
  overflow: hidden;
}

/* ===== Sections ===== */
section { padding: 80px 0; }
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.section-head p {
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ===== Problem ===== */
.problem {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}
.problem-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.problem-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  color: #f87171;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.problem-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.problem-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
.problem-punch {
  margin: 0;
  padding: 22px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(108, 140, 255, 0.06)),
    var(--card);
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  text-align: center;
}
.problem-punch strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
}

/* ===== Solution ===== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.solution-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.solution-card:hover {
  transform: translateY(-3px);
  border-color: rgba(108, 140, 255, 0.45);
}
.solution-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  color: var(--accent);
  background: rgba(108, 140, 255, 0.12);
  border: 1px solid rgba(108, 140, 255, 0.25);
}
.solution-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.solution-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}


/* ===== How it works ===== */
.how {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 16px; right: 18px;
  font-size: 13px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.step h4 {
  margin: 0 0 8px;
  font-size: 16px;
}
.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ===== Use Cases / Audience ===== */
.audience {
  padding: 88px 0;
  background: var(--bg-2);
}
.usecases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.usecase {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.usecase:hover {
  transform: translateY(-4px);
  border-color: #2e3648;
}
.usecase::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity 0.2s;
}
.usecase:hover::before {
  opacity: 1;
}
.usecase-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.usecase-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.usecase-support .usecase-icon {
  background: linear-gradient(135deg, rgba(52,211,153,0.15), rgba(52,211,153,0.05));
  border: 1px solid rgba(52,211,153,0.3);
}
.usecase-dev .usecase-icon {
  background: linear-gradient(135deg, rgba(108,140,255,0.15), rgba(108,140,255,0.05));
  border: 1px solid rgba(108,140,255,0.3);
}
.usecase-qa .usecase-icon {
  background: linear-gradient(135deg, rgba(251,191,36,0.15), rgba(251,191,36,0.05));
  border: 1px solid rgba(251,191,36,0.3);
}
.usecase-mgmt .usecase-icon {
  background: linear-gradient(135deg, rgba(167,139,250,0.15), rgba(167,139,250,0.05));
  border: 1px solid rgba(167,139,250,0.3);
}
.usecase-ai .usecase-icon {
  background: linear-gradient(135deg, rgba(244,114,182,0.15), rgba(244,114,182,0.05));
  border: 1px solid rgba(244,114,182,0.3);
}
.usecase-role {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.usecase-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}
.usecase-content {
  display: grid;
  gap: 16px;
}
.usecase-problem,
.usecase-solution {
  padding: 16px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.6;
}
.usecase-problem {
  background: rgba(239,68,68,0.05);
  border-left: 3px solid rgba(239,68,68,0.4);
}
.usecase-solution {
  background: rgba(52,211,153,0.05);
  border-left: 3px solid rgba(52,211,153,0.4);
}
.usecase-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  margin-bottom: 6px;
}
.usecase-problem .usecase-label {
  color: #f87171;
}
.usecase-solution .usecase-label {
  color: var(--success);
}
.usecase-text {
  color: var(--text);
  margin: 0;
}

/* ===== Why UniShift ===== */
.why {
  border-top: 1px solid var(--border);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.why-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 28px 32px;
  border-left: 3px solid var(--accent);
}
.why-card__num {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
}
.why-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.why-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}


/* ===== CTA ===== */
.cta-box {
  background: linear-gradient(135deg, rgba(108,140,255,0.12), rgba(167,139,250,0.12));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 56px 32px;
  text-align: center;
}
.cta-box h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  margin: 0 0 12px;
}
.cta-box > p {
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 22px;
}
.cta-box code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92em;
}
.cta-cmd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  margin: 0 auto 28px;
  padding: 14px 22px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
  letter-spacing: 0.01em;
  text-align: left;
  overflow-x: auto;
}
.cta-cmd code {
  font-size: inherit;
  background: none;
  padding: 0;
  white-space: nowrap;
}
.cta-actions {
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  color: var(--muted);
  font-size: 14px;
}
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.foot-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.foot-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 650;
  font-size: 15px;
}
.foot-logo img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}
.foot-copy {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  align-items: center;
}
.foot-links a {
  color: var(--muted);
  transition: color 0.2s;
}
.foot-links a:hover {
  color: var(--text);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .problem-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .usecases { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hub-map {
    grid-template-columns: 1fr;
    gap: 18px;
    min-height: 0;
  }
  .hub-map__lines {
    display: none;
  }
  .hub-col--left,
  .hub-col--center,
  .hub-col--right {
    grid-column: 1;
    grid-row: auto;
  }
  .hub-col--left,
  .hub-col--right {
    align-items: stretch;
    justify-self: stretch;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .hub-node {
    max-width: none;
    border-radius: 12px;
  }
  .hub-node__meta {
    white-space: normal;
  }
  .hub-col--left .hub-tip,
  .hub-col--right .hub-tip {
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    width: auto;
    transform: translateY(4px) scale(0.98);
  }
  .hub-node.is-active .hub-tip,
  .hub-node:focus-visible .hub-tip {
    transform: translateY(0) scale(1);
  }
  .hub-tip--user {
    width: min(280px, calc(100vw - 48px));
  }
  .hub-col--center {
    order: 0;
    min-height: 0;
    gap: 12px;
  }
  .hub-col--left { order: -1; }
  .hub-col--right { order: 1; }
  .hub-mobile-rail {
    display: block;
    width: 2px;
    height: 28px;
    border-radius: 999px;
    background: repeating-linear-gradient(
      to bottom,
      var(--accent) 0 4px,
      transparent 4px 9px
    );
    opacity: 0.55;
  }
  .hub-core {
    width: 112px;
    height: 112px;
  }
  .hub-core img {
    width: 40px;
    height: 40px;
  }
  .product-block,
  .product-block--reverse {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 48px;
  }
  .product-block--reverse .product-block-copy,
  .product-block--reverse .product-block-media {
    order: unset;
  }
  .product-block-copy p:not(.product-block-label) {
    max-width: none;
  }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero { padding: 56px 0 36px; }
  .hero p.lead { font-size: 16px; }
  .hub-col--left,
  .hub-col--right {
    grid-template-columns: 1fr;
  }
  .product-block { margin-bottom: 40px; }
  .product-block-media { border-radius: 10px; }
  .product-also { margin-top: 48px; }
}