:root {
  color-scheme: dark;
  --bg: #07111a;
  --bg-soft: #0d1723;
  --panel: rgba(10, 23, 36, 0.82);
  --panel-strong: rgba(9, 20, 31, 0.96);
  --border: rgba(154, 182, 204, 0.16);
  --border-strong: rgba(154, 182, 204, 0.28);
  --text: #eff7ff;
  --muted: #9db3c7;
  --accent: #c69b53;
  --accent-soft: rgba(198, 155, 83, 0.18);
  --accent-glow: rgba(198, 155, 83, 0.4);
  --danger: #ff9c8d;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --esp-tools-button-color: linear-gradient(135deg, #d4a660, #8c6737);
  --esp-tools-button-text-color: #081018;
  --esp-tools-button-border-radius: 999px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(198, 155, 83, 0.15), transparent 26%),
    radial-gradient(circle at top right, rgba(67, 115, 168, 0.14), transparent 22%),
    linear-gradient(180deg, #08121c 0%, #040b11 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: transparent;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.26), transparent 90%);
}

.site-shell {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero,
.panel,
.footer {
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: 88px minmax(0, 1.7fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: center;
  padding: 30px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(12, 25, 39, 0.94), rgba(7, 16, 24, 0.88)),
    linear-gradient(180deg, rgba(198, 155, 83, 0.06), transparent);
}

.brand-mark {
  position: relative;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(198, 155, 83, 0.08);
}

.brand-ring,
.brand-dot {
  position: absolute;
  border-radius: 50%;
}

.brand-ring {
  inset: 8px;
  border: 1px solid rgba(198, 155, 83, 0.7);
  box-shadow: 0 0 24px rgba(198, 155, 83, 0.25);
}

.brand-dot {
  width: 16px;
  height: 16px;
  background: radial-gradient(circle at 30% 30%, #f4d39c, #b88840);
  box-shadow: 0 0 28px var(--accent-glow);
}

.eyebrow,
.section-label,
.footer-label,
.device-tag,
.hero-panel-label {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.warning-panel h2,
.notes-panel h2,
.help-panel h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 4.25rem);
  line-height: 0.95;
}

.hero-text,
.section-note,
.warning-panel p,
.support-list,
.release-item-text,
.device-description,
.device-notes,
.footer {
  color: var(--muted);
}

.hero-text {
  margin: 16px 0 0;
  max-width: 52rem;
  line-height: 1.7;
  font-size: 1rem;
}

.hero-panel,
.panel {
  background: var(--panel);
}

.hero-panel {
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.compact-list,
.support-list,
.device-notes,
.release-feed {
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-list li,
.support-list li,
.device-notes li,
.release-item {
  position: relative;
  padding-left: 18px;
}

.compact-list li + li,
.support-list li + li,
.device-notes li + li,
.release-item + .release-item {
  margin-top: 12px;
}

.compact-list li::before,
.support-list li::before,
.device-notes li::before,
.release-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(198, 155, 83, 0.45);
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(300px, 0.95fr);
  gap: 24px;
  margin-top: 24px;
}

.panel {
  padding: 26px;
  border-radius: var(--radius-xl);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.section-heading.stacked {
  align-items: start;
}

.section-note {
  margin: 0;
  text-align: right;
  max-width: 28rem;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.device-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 100%;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.02)),
    var(--panel-strong);
}

.device-card-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.device-name {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.55rem;
  line-height: 1.05;
}

.device-version {
  flex-shrink: 0;
  padding: 9px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #f7d79e;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.device-description {
  margin: 0;
  line-height: 1.65;
}

.device-meta {
  margin: 0;
  display: grid;
  gap: 12px;
}

.device-meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.device-meta dt,
.device-meta dd,
.device-notes-label {
  margin: 0;
}

.device-meta dt,
.device-notes-label {
  color: #c7d7e5;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.device-meta dd {
  text-align: right;
  color: var(--text);
  font-weight: 600;
}

.device-notes-wrap {
  margin-top: auto;
}

.device-notes {
  margin-top: 10px;
}

.device-install {
  padding-top: 4px;
}

.device-install esp-web-install-button {
  display: block;
}

.device-install [slot="activate"] {
  width: 100%;
  min-height: 54px;
  padding: 0 20px;
  border: none;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  color: #081018;
  background: linear-gradient(135deg, #d9af6c, #9a723b);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 18px 32px rgba(110, 77, 28, 0.3);
}

.device-install [slot="activate"]:hover {
  filter: brightness(1.04);
}

.device-install [slot="unsupported"],
.device-install [slot="not-allowed"] {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 156, 141, 0.08);
  color: var(--danger);
  font-size: 0.92rem;
  line-height: 1.5;
}

.warning-panel {
  border-color: rgba(198, 155, 83, 0.32);
  background:
    linear-gradient(180deg, rgba(198, 155, 83, 0.08), transparent 70%),
    var(--panel);
}

.side-column {
  display: grid;
  gap: 24px;
  align-content: start;
}

.release-feed {
  display: grid;
  gap: 14px;
}

.release-item {
  padding: 16px 16px 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.release-item-title {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 700;
}

.release-item-text {
  margin: 0;
  line-height: 1.6;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
  padding: 18px 24px;
  border-radius: var(--radius-lg);
  background: rgba(8, 19, 29, 0.92);
  font-size: 0.95rem;
}

.footer strong {
  color: var(--text);
}

.empty-state {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-strong);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1100px) {
  .hero,
  .main-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 24px;
  }

  .section-heading {
    flex-direction: column;
    align-items: start;
  }

  .section-note {
    text-align: left;
  }

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

@media (max-width: 740px) {
  .site-shell {
    width: min(100% - 24px, 1320px);
    padding-top: 16px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .brand-mark {
    width: 60px;
    height: 60px;
  }

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

  .footer {
    flex-direction: column;
  }
}