:root {
  color-scheme: dark;
  --bg: #06070b;
  --panel: rgba(15, 17, 26, 0.84);
  --panel-strong: rgba(20, 23, 36, 0.96);
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: rgba(255, 255, 255, 0.94);
  --muted: rgba(255, 255, 255, 0.64);
  --violet: #9d8cff;
  --violet-strong: #b9adff;
  --cyan: #72deff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --container: min(1220px, calc(100vw - 32px));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(128, 100, 255, 0.18), transparent 32%),
    radial-gradient(circle at 85% 18%, rgba(68, 195, 255, 0.14), transparent 28%),
    linear-gradient(180deg, #08090f 0%, #05060a 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.page-shell {
  width: var(--container);
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px 26px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(10, 12, 20, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand__logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.brand__text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  color: var(--muted);
  font-size: 22px;
  font-weight: 800;
  flex-wrap: wrap;
}
.nav a {
  padding: 14px 24px;
  border-radius: 999px;
}
.nav a:hover,
.nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 700;
  transition: 180ms ease;
}
.button:hover { transform: translateY(-1px); }
.button--primary {
  background: linear-gradient(135deg, var(--violet) 0%, var(--cyan) 100%);
  color: #10131e;
  box-shadow: 0 14px 32px rgba(116, 110, 255, 0.28);
}
.button--secondary,
.button--ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}
.button--secondary:hover,
.button--ghost:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.06);
}

.hero,
.feature-hero {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 34px;
  align-items: center;
  padding: 36px 0 24px;
}
.feature-hero {
  align-items: start;
}
.hero--center {
  grid-template-columns: 1fr;
  justify-items: center;
  padding: 64px 0 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.feature-hero h1,
.section-heading h2,
.highlight-card h2 {
  margin: 18px 0 0;
  line-height: 1.04;
  letter-spacing: -0.04em;
}
.hero h1,
.feature-hero h1 {
  font-size: clamp(40px, 7vw, 70px);
}
.section-heading h2,
.highlight-card h2 {
  font-size: clamp(32px, 4.8vw, 54px);
}

.hero__lead,
.section-heading p,
.highlight-card p,
.workflow-step p,
.metric-card span,
.contact-card li,
.feature-card p,
.detail-card p,
.tutorial-step p,
.cta-panel span,
.feature-hero__tagline {
  color: var(--muted);
  line-height: 1.8;
}
.hero__lead {
  margin: 22px 0 0;
  max-width: 640px;
  font-size: 17px;
}
.hero__content--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 820px;
}
.hero__content--center .hero__lead {
  max-width: 720px;
  font-size: 20px;
}
.feature-hero__tagline {
  margin-top: 14px;
  font-size: 16px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 32px;
}
.hero__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
}
.hero__meta li,
.badge-row span,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.84);
  font-size: 12px;
}
.badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.badge-row--large { margin-top: 26px; }
.badge-row--scenario { margin-top: 18px; }

.product-window,
.panel-wrap,
.metric-card,
.feature-card,
.workflow-step,
.contact-card,
.highlight-card,
.detail-card,
.tutorial-step,
.cta-panel {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.product-window {
  overflow: hidden;
  background: linear-gradient(180deg, rgba(17, 19, 29, 0.95), rgba(9, 10, 17, 0.96));
  box-shadow: var(--shadow);
}
.product-window__topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.window-dots { display: inline-flex; gap: 6px; }
.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
}
.window-title {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
  letter-spacing: 0.08em;
}

.hero-showcase {
  position: relative;
}
.hero-screen {
  display: block;
  padding: 18px;
}
.hero-screen img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.feature-card--link:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
}

.section {
  padding: 42px 0 0;
}
.section-heading {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.section-heading p { margin-top: 16px; }

.section--metrics {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-top: 28px;
}
.metric-card,
.feature-card,
.workflow-step,
.contact-card,
.detail-card,
.tutorial-step { padding: 22px; }
.metric-card strong {
  display: block;
  margin-top: 14px;
  font-size: 22px;
  line-height: 1.45;
}

.feature-grid,
.workflow,
.contact-grid,
.detail-grid,
.pricing-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pricing-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-grid--interactive { align-items: stretch; }
.feature-card--link {
  padding: 0;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.feature-card__preview {
  padding: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}
.feature-card__preview img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.feature-card__preview--button {
  position: relative;
  width: 100%;
  border: 0;
  cursor: zoom-in;
  text-align: left;
}
.feature-card__tag {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 2;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(6, 8, 14, 0.78);
  color: rgba(255, 255, 255, 0.88);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.feature-card__body { padding: 18px; }
.feature-card__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}
.feature-card h3,
.workflow-step h3,
.contact-card h3,
.tutorial-step h3 {
  margin: 0 0 10px;
  font-size: 22px;
}
.feature-card__cta {
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}
.feature-card__cta:hover {
  color: white;
}
.feature-card p { margin-top: 8px; }
.feature-roadmap {
  margin-top: 18px;
  padding: 22px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
}
.feature-roadmap strong {
  display: block;
  font-size: 20px;
  color: white;
}
.feature-roadmap__tags {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.feature-roadmap__tags span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.workflow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.workflow-step span,
.detail-card__index,
.tutorial-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(157, 140, 255, 0.24), rgba(114, 222, 255, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 800;
}
.workflow-step h3 { margin-top: 18px; }

.highlight-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 340px;
  gap: 28px;
  align-items: center;
  padding: 28px;
  background: linear-gradient(135deg, rgba(18, 20, 34, 0.96), rgba(9, 11, 18, 0.96));
}
.highlight-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.pricing-card {
  padding: 24px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, rgba(20, 22, 34, 0.96), rgba(10, 12, 20, 0.96));
}
.pricing-card__label {
  display: inline-flex;
  min-height: 30px;
  padding: 0 12px;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.pricing-card h3 {
  margin: 18px 0 8px;
  font-size: 42px;
  line-height: 1;
}
.pricing-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}
.pricing-card--featured {
  border-color: rgba(157, 140, 255, 0.42);
  box-shadow: 0 18px 42px rgba(120, 110, 255, 0.18);
}

.contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.contact-card ul {
  margin: 0;
  padding-left: 18px;
}
.cta-panel {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.03);
}
.cta-panel--detail { margin-top: 22px; }
.cta-panel--brand {
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(24, 27, 42, 0.96), rgba(11, 14, 24, 0.96));
}
.cta-panel--brand strong {
  display: block;
  font-size: 18px;
  color: white;
}

.feature-hero__preview {
  width: min(100%, 560px);
  justify-self: end;
  align-self: start;
  padding: 14px;
  background: linear-gradient(180deg, rgba(17, 19, 29, 0.95), rgba(9, 10, 17, 0.96));
  box-shadow: var(--shadow);
}
.image-panel {
  position: relative;
  width: 100%;
}
.image-panel--annotated {
  border-radius: 18px;
  overflow: hidden;
}
.image-panel__trigger {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}
.feature-page-image {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}
.image-panel__hint {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(6, 8, 14, 0.72);
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
}
.image-panel__hint--small {
  right: 12px;
  bottom: 12px;
}
.spotlight-dot {
  position: absolute;
  transform: translate(-50%, -50%);
  border: 0;
  background: transparent;
  cursor: zoom-in;
}
.spotlight-dot__pulse {
  position: absolute;
  inset: -10px;
  border-radius: 999px;
  background: rgba(114, 222, 255, 0.16);
  filter: blur(2px);
}
.spotlight-dot__core {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, rgba(157, 140, 255, 0.96), rgba(114, 222, 255, 0.96));
  color: #0d1220;
  font-size: 13px;
  font-weight: 800;
}
.spotlight-dot__label {
  position: absolute;
  top: -8px;
  left: 42px;
  white-space: nowrap;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(8, 10, 18, 0.82);
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
}
.detail-grid--highlights { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.detail-card { display: grid; gap: 16px; }
.detail-card p { margin: 0; font-size: 15px; }
.feature-specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}
.feature-spec {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}
.feature-spec span {
  display: block;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.feature-spec strong {
  display: block;
  margin-top: 10px;
  font-size: 18px;
  line-height: 1.45;
}

.tutorial-list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.tutorial-list--visual {
  gap: 22px;
}
.tutorial-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
.tutorial-step--visual {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  padding: 18px;
}
.tutorial-step__media img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}
.tutorial-step__media--button {
  position: relative;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}
.tutorial-step__content {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.tutorial-step h3 { margin-bottom: 8px; }
.tutorial-step p { margin: 0; }
.tutorial-points {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}
.tutorial-points li + li {
  margin-top: 6px;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
}
.image-lightbox.is-open {
  display: block;
}
.image-lightbox__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(2, 4, 10, 0.84);
}
.image-lightbox__dialog {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(1400px, calc(100vw - 40px));
  max-height: calc(100vh - 40px);
  transform: translate(-50%, -50%);
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 12, 20, 0.96);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5);
}
.image-lightbox__image {
  width: 100%;
  max-height: calc(100vh - 130px);
  object-fit: contain;
  border-radius: 16px;
  background: #090b11;
}
.image-lightbox__caption {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}
.image-lightbox__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: white;
  font-size: 22px;
  cursor: pointer;
}
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0 10px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .hero,
  .feature-hero,
  .section--metrics,
  .feature-grid,
  .workflow,
  .contact-grid,
  .detail-grid--highlights,
  .highlight-card,
  .feature-specs,
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero,
  .feature-hero,
  .highlight-card {
    grid-template-columns: 1fr;
  }

  .feature-hero__preview {
    width: 100%;
    justify-self: stretch;
  }
}

@media (max-width: 760px) {
  .page-shell { width: min(100vw - 20px, 100%); padding-top: 12px; }
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }
  .nav {
    margin-left: 0;
    font-size: 18px;
  }
  .nav,
  .feature-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .hero__actions,
  .cta-panel,
  .footer { flex-direction: column; align-items: stretch; }
  .section--metrics,
  .feature-grid,
  .workflow,
  .contact-grid,
  .detail-grid--highlights,
  .feature-specs,
  .pricing-grid { grid-template-columns: 1fr; }
  .hero-screen img {
    min-height: auto;
  }
  .tutorial-step,
  .tutorial-step--visual,
  .tutorial-step__content {
    grid-template-columns: 1fr;
  }
  .spotlight-dot__label {
    left: 50%;
    top: 40px;
    transform: translateX(-50%);
  }
}