.panel-page {
  background:
    linear-gradient(rgba(16, 24, 32, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 24, 32, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 72px 72px;
}

.panel-page .nav-links a[aria-current="page"] {
  background: rgba(130, 222, 217, 0.12);
  color: var(--cyan);
}

.panel-hero {
  position: relative;
  min-height: 88vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.92fr);
  gap: clamp(42px, 7vw, 100px);
  align-items: center;
  padding: 132px max(24px, calc((100vw - 1180px) / 2)) 72px;
  background:
    linear-gradient(rgba(130, 222, 217, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 222, 217, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 78% 18%, rgba(24, 167, 156, 0.24), transparent 32%),
    radial-gradient(circle at 12% 86%, rgba(215, 168, 74, 0.13), transparent 32%),
    var(--deep);
  background-size: 72px 72px, 72px 72px, auto, auto, auto;
  color: #fffaf0;
}

.panel-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(transparent, rgba(5, 13, 21, 0.68));
  pointer-events: none;
}

.panel-hero-copy,
.panel-demo {
  position: relative;
  z-index: 1;
}

.panel-hero h1 {
  margin-bottom: 26px;
  font-size: clamp(3.25rem, 6.5vw, 6.5rem);
  font-family: var(--font-display, sans-serif);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.94;
}

.panel-hero h1 span {
  display: block;
  width: fit-content;
  color: transparent;
  background: linear-gradient(92deg, #fffaf0 6%, var(--gold-soft) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.panel-hero h1 small {
  display: block;
  margin-top: 20px;
  color: rgba(255, 250, 240, 0.8);
  font-size: clamp(1.1rem, 1.85vw, 1.65rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.15;
}

.panel-hero-lead {
  max-width: 720px;
  margin-bottom: 30px;
  color: rgba(255, 250, 240, 0.74);
  font-size: clamp(1rem, 1.55vw, 1.16rem);
  line-height: 1.84;
}

.panel-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.panel-trust span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(130, 222, 217, 0.22);
  border-radius: 999px;
  padding: 0 12px;
  background: rgba(130, 222, 217, 0.08);
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 760;
}

.panel-demo {
  overflow: hidden;
  border: 1px solid rgba(130, 222, 217, 0.25);
  border-radius: 22px;
  background: rgba(5, 13, 21, 0.68);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.3),
    inset 0 0 70px rgba(24, 167, 156, 0.06);
  -webkit-backdrop-filter: blur(22px) saturate(125%);
  backdrop-filter: blur(22px) saturate(125%);
}

.panel-demo-top,
.panel-demo-tabs,
.panel-demo-foot {
  display: flex;
  align-items: center;
}

.panel-demo-top {
  min-height: 50px;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(130, 222, 217, 0.14);
  padding: 0 18px;
  color: rgba(255, 250, 240, 0.5);
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
}

.panel-demo-top strong {
  color: var(--cyan);
  font-weight: 600;
}

.panel-demo-tabs {
  gap: 7px;
  padding: 16px 18px 10px;
}

.panel-demo-tabs span,
.panel-demo-foot span {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 250, 240, 0.1);
  border-radius: 7px;
  padding: 0 10px;
  background: rgba(255, 250, 240, 0.04);
  color: rgba(255, 250, 240, 0.52);
  font-size: 0.72rem;
}

.panel-demo-tabs span.active,
.panel-demo-foot span.active {
  border-color: rgba(215, 168, 74, 0.34);
  background: rgba(215, 168, 74, 0.12);
  color: var(--gold-soft);
}

.panel-demo-tabs i {
  width: 1px;
  height: 24px;
  margin: 0 4px;
  background: rgba(255, 250, 240, 0.12);
}

.panel-demo-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 8px 18px 14px;
}

.panel-demo-kpis div {
  min-width: 0;
  border: 1px solid rgba(255, 250, 240, 0.09);
  border-radius: 8px;
  padding: 13px 12px;
  background: rgba(255, 250, 240, 0.04);
}

.panel-demo-kpis small {
  display: block;
  min-height: 34px;
  color: rgba(255, 250, 240, 0.46);
  font-size: 0.68rem;
  line-height: 1.45;
}

.panel-demo-kpis strong {
  color: var(--gold-soft);
  font-family: var(--font-display, sans-serif);
  font-size: 1.3rem;
}

.panel-demo-chart {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  margin: 0 18px;
  border: 1px solid rgba(130, 222, 217, 0.12);
  border-radius: 9px;
  background:
    linear-gradient(rgba(130, 222, 217, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 222, 217, 0.06) 1px, transparent 1px),
    rgba(0, 0, 0, 0.12);
  background-size: 46px 46px;
}

.chart-bars {
  position: absolute;
  inset: 24px 22px 18px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.chart-bars i {
  width: 100%;
  height: 22%;
  border-radius: 4px 4px 1px 1px;
  background: linear-gradient(rgba(24, 167, 156, 0.9), rgba(24, 167, 156, 0.22));
}

.chart-bars i:nth-child(2) { height: 30%; }
.chart-bars i:nth-child(3) { height: 42%; }
.chart-bars i:nth-child(4) { height: 33%; }
.chart-bars i:nth-child(5) { height: 49%; }
.chart-bars i:nth-child(6) { height: 58%; }
.chart-bars i:nth-child(7) { height: 51%; }
.chart-bars i:nth-child(8) { height: 70%; }
.chart-bars i:nth-child(9) { height: 61%; }
.chart-bars i:nth-child(10) { height: 77%; }
.chart-bars i:nth-child(11) { height: 72%; }
.chart-bars i:nth-child(12) { height: 88%; }

.chart-line {
  position: absolute;
  left: 6%;
  right: 4%;
  top: 54%;
  height: 3px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 18px rgba(215, 168, 74, 0.55);
  transform: rotate(-11deg);
  transform-origin: center;
}

.chart-line::before,
.chart-line::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold-soft);
  box-shadow: 0 0 14px rgba(241, 213, 140, 0.8);
  transform: translateY(-50%);
}

.chart-line::before {
  left: 0;
}

.chart-line::after {
  right: 0;
}

.panel-demo-foot {
  justify-content: flex-end;
  gap: 6px;
  min-height: 62px;
  padding: 12px 18px;
}

.panel-promise {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  padding: 28px max(24px, calc((100vw - 1180px) / 2));
  background: var(--gold);
  color: #15202a;
}

.panel-promise strong {
  font-family: var(--font-display, sans-serif);
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  font-weight: 700;
}

.panel-promise p {
  margin: 0;
  font-weight: 650;
  line-height: 1.7;
}

.panel-download {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: center;
}

.panel-download h2,
.panel-section-heading h2,
.guide-section h2 {
  font-family: var(--font-display, sans-serif);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.06;
}

.panel-download h2 {
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 4.4vw, 4.7rem);
}

.download-copy > p {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.82;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
  margin-top: 30px;
}

.download-main::before {
  content: "↓";
  margin-right: 9px;
  font-size: 1.15em;
}

.download-direct {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid rgba(16, 21, 28, 0.3);
  color: var(--ink);
  font-weight: 700;
}

.download-direct:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.download-card {
  overflow: hidden;
  border: 1px solid rgba(16, 24, 32, 0.14);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.download-card-head {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 22px;
  background: var(--deep);
  color: rgba(255, 250, 240, 0.55);
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  letter-spacing: 0.07em;
}

.download-card-head strong {
  color: var(--cyan);
  font-size: 0.9rem;
}

.download-card dl {
  margin: 0;
  padding: 8px 22px;
}

.download-card dl > div {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.download-card dt {
  color: var(--muted);
}

.download-card dd {
  margin: 0;
  font-weight: 760;
  text-align: right;
}

.checksum {
  margin: 10px 22px 22px;
  border: 1px solid rgba(24, 167, 156, 0.18);
  border-radius: 9px;
  padding: 13px 14px;
  background: rgba(24, 167, 156, 0.055);
}

.checksum summary {
  color: var(--teal);
  font-weight: 760;
  cursor: pointer;
}

.checksum code {
  display: block;
  margin-top: 12px;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  line-height: 1.6;
}

.panel-feature-band {
  width: 100%;
  padding: 90px 24px;
  background:
    radial-gradient(circle at 16% 12%, rgba(24, 167, 156, 0.13), transparent 31%),
    var(--deep);
  color: #fffaf0;
}

.panel-band-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.panel-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 90px);
  margin-bottom: 38px;
  align-items: start;
}

.panel-section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2.1rem, 4vw, 4.35rem);
}

.panel-section-heading p {
  margin: 0;
  color: rgba(255, 250, 240, 0.68);
  font-size: 1.05rem;
  line-height: 1.82;
}

.panel-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.panel-feature-grid article {
  min-height: 260px;
  border: 1px solid rgba(255, 250, 240, 0.11);
  border-radius: 9px;
  padding: 22px;
  background: rgba(255, 250, 240, 0.045);
}

.panel-feature-grid article > span {
  color: var(--teal);
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  font-weight: 600;
}

.panel-feature-grid h3 {
  margin: 42px 0 14px;
  color: #fffaf0;
  font-family: var(--font-display, sans-serif);
  font-size: 1.2rem;
  font-weight: 600;
}

.panel-feature-grid p {
  margin: 0;
  color: rgba(255, 250, 240, 0.62);
  line-height: 1.76;
}

.panel-guide {
  width: min(1180px, calc(100% - 48px));
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: clamp(36px, 6vw, 88px);
  margin: 0 auto;
  padding: 88px 0;
}

.guide-nav {
  position: sticky;
  top: 112px;
  height: fit-content;
  display: grid;
  gap: 4px;
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.guide-nav > span {
  margin-bottom: 8px;
  color: var(--teal);
  font-family: var(--font-display, sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
}

.guide-nav a {
  padding: 8px 10px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.guide-nav a:hover {
  background: rgba(24, 167, 156, 0.08);
  color: var(--teal);
}

.guide-content {
  min-width: 0;
}

.guide-section {
  scroll-margin-top: 110px;
  padding: 0 0 84px;
}

.guide-section + .guide-section {
  border-top: 1px solid var(--line);
  padding-top: 84px;
}

.guide-index {
  margin-bottom: 14px;
  color: var(--teal);
  font-family: var(--font-mono, monospace);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.guide-section h2 {
  margin-bottom: 32px;
  font-size: clamp(2rem, 3.4vw, 3.6rem);
}

.install-steps {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.install-steps li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.58);
}

.install-steps li > span {
  color: var(--gold);
  font-family: var(--font-mono, monospace);
  font-weight: 600;
}

.install-steps p {
  margin: 0;
  line-height: 1.72;
}

.guide-content code {
  border-radius: 5px;
  padding: 2px 6px;
  background: rgba(16, 24, 32, 0.07);
  font-family: var(--font-mono, monospace);
  font-size: 0.88em;
}

.control-grid,
.view-grid,
.metric-list,
.suggestion-grid {
  display: grid;
  gap: 12px;
}

.control-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.control-grid article,
.view-grid article {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.58);
}

.control-grid article > span,
.view-grid small {
  color: var(--teal);
  font-family: var(--font-mono, monospace);
  font-size: 0.78rem;
  font-weight: 600;
}

.control-grid h3,
.view-grid h3,
.metric-list h3 {
  margin: 24px 0 10px;
  font-family: var(--font-display, sans-serif);
  font-size: 1.18rem;
  font-weight: 600;
}

.control-grid p,
.view-grid p,
.metric-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.76;
}

.period-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin-top: 18px;
}

.period-row span {
  min-height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(24, 167, 156, 0.2);
  border-radius: 8px;
  background: rgba(24, 167, 156, 0.06);
  color: var(--teal);
  font-weight: 760;
}

.guide-note {
  margin: 18px 0 0;
  border-left: 3px solid var(--gold);
  padding: 14px 16px;
  background: rgba(215, 168, 74, 0.08);
  color: var(--muted);
  line-height: 1.72;
}

.view-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.view-grid article {
  min-width: 0;
}

.view-grid ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 16px 0 0 18px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.55;
}

.metric-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-list > div {
  min-width: 0;
  border-top: 2px solid rgba(24, 167, 156, 0.34);
  padding: 18px 8px 24px 0;
}

.metric-list h3 {
  margin-top: 0;
}

.metric-list code {
  display: block;
  margin-top: 14px;
  overflow-wrap: anywhere;
  color: var(--teal);
  line-height: 1.6;
}

.data-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.data-list li {
  display: grid;
  grid-template-columns: minmax(120px, 0.32fr) minmax(0, 1fr);
  gap: 22px;
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.data-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.data-list strong {
  font-family: var(--font-display, sans-serif);
  font-weight: 600;
}

.data-list span {
  color: var(--muted);
  line-height: 1.65;
}

.faq-list {
  display: grid;
  gap: 9px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.58);
}

.faq-list summary {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--font-display, sans-serif);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--teal);
  font-family: var(--font-mono, monospace);
  font-size: 1.3rem;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  margin: 0;
  padding: 0 0 20px;
  color: var(--muted);
  line-height: 1.75;
}

.guide-final {
  padding-bottom: 0;
}

.suggestion-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.suggestion-grid p {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  line-height: 1.65;
}

.suggestion-grid strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
}

.final-download {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 36px;
  border-radius: 12px;
  padding: 30px;
  background:
    radial-gradient(circle at 90% 20%, rgba(24, 167, 156, 0.22), transparent 32%),
    var(--deep);
  color: #fffaf0;
}

.final-download span {
  color: var(--cyan);
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
}

.final-download h2 {
  margin: 8px 0 0;
  font-size: clamp(1.45rem, 2.4vw, 2.25rem);
}

@media (max-width: 1040px) {
  .panel-hero {
    grid-template-columns: 1fr;
  }

  .panel-demo {
    width: min(720px, 100%);
  }

  .panel-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .panel-download,
  .panel-section-heading {
    grid-template-columns: 1fr;
  }

  .panel-download {
    align-items: start;
  }

  .download-card {
    width: min(620px, 100%);
  }

  .panel-guide {
    grid-template-columns: 1fr;
  }

  .guide-nav {
    position: static;
    display: flex;
    flex-wrap: wrap;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 16px;
  }

  .guide-nav > span {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .panel-hero {
    min-height: auto;
    gap: 42px;
    padding: 116px 16px 56px;
  }

  .panel-hero h1 {
    font-size: clamp(2.7rem, 12.5vw, 4.2rem);
  }

  .panel-hero h1 small {
    font-size: 1rem;
    line-height: 1.45;
  }

  .panel-hero .hero-actions a {
    width: 100%;
  }

  .panel-demo {
    border-radius: 14px;
  }

  .panel-demo-tabs {
    flex-wrap: wrap;
  }

  .panel-demo-tabs i {
    display: none;
  }

  .panel-demo-kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel-demo-chart {
    min-height: 190px;
  }

  .panel-promise {
    grid-template-columns: 1fr;
    padding: 24px 16px;
  }

  .panel-download {
    width: calc(100% - 32px);
  }

  .download-actions,
  .download-main,
  .download-direct {
    width: 100%;
  }

  .download-direct {
    justify-content: center;
  }

  .panel-feature-band {
    padding: 64px 16px;
  }

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

  .panel-feature-grid article {
    min-height: 220px;
  }

  .panel-guide {
    width: calc(100% - 32px);
    padding: 64px 0;
  }

  .guide-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: thin;
  }

  .guide-nav > span {
    display: none;
  }

  .guide-nav a {
    flex: 0 0 auto;
  }

  .guide-section {
    padding-bottom: 64px;
  }

  .guide-section + .guide-section {
    padding-top: 64px;
  }

  .install-steps li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px;
    padding: 16px;
  }

  .control-grid,
  .view-grid,
  .metric-list,
  .suggestion-grid {
    grid-template-columns: 1fr;
  }

  .period-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .data-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .final-download {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .final-download .primary-link {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chart-line {
    box-shadow: none;
  }
}