:root {
  --bg: #07110f;
  --bg-soft: #0b1714;
  --surface: #0e1c18;
  --surface-raised: #12231e;
  --surface-glass: rgba(12, 27, 23, 0.78);
  --text: #f4f8f5;
  --muted: #95a9a1;
  --muted-strong: #bac9c3;
  --line: rgba(213, 235, 226, 0.11);
  --line-strong: rgba(213, 235, 226, 0.18);
  --lime: #b8f34a;
  --lime-bright: #caff58;
  --lime-dark: #7aa623;
  --blue: #4bc8ff;
  --orange: #ff9b63;
  --danger: #ff756f;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.24);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
  --header-h: 76px;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f3f7f3;
  --bg-soft: #eaf1eb;
  --surface: #ffffff;
  --surface-raised: #f6faf6;
  --surface-glass: rgba(250, 253, 250, 0.82);
  --text: #122019;
  --muted: #66786f;
  --muted-strong: #495e54;
  --line: rgba(24, 57, 42, 0.11);
  --line-strong: rgba(24, 57, 42, 0.18);
  --lime: #88c51f;
  --lime-bright: #9ed72e;
  --lime-dark: #5f8d14;
  --shadow: 0 30px 80px rgba(50, 75, 61, 0.15);
  --shadow-soft: 0 18px 45px rgba(50, 75, 61, 0.1);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input {
  font: inherit;
}

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

svg {
  display: block;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--lime);
  color: #102000;
  transform: translateY(-150%);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 540;
  letter-spacing: -0.025em;
}

.brand strong {
  font-weight: 750;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border: 1px solid color-mix(in srgb, var(--lime) 36%, transparent);
  border-radius: 11px;
  background: color-mix(in srgb, var(--lime) 10%, transparent);
  color: var(--lime);
}

.brand-mark svg {
  width: 25px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: 7%;
  color: var(--muted-strong);
  font-size: 14px;
  font-weight: 560;
}

.nav-links a {
  position: relative;
  transition: color 0.2s ease;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--lime);
  content: "";
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  color: var(--muted-strong);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.icon-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-raised);
  color: var(--text);
}

.language-toggle {
  font-size: 10px;
  font-weight: 780;
  letter-spacing: 0.04em;
}

.icon-button svg {
  width: 18px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.moon-icon,
html[data-theme="light"] .sun-icon {
  display: none;
}

html[data-theme="light"] .moon-icon {
  display: block;
}

.menu-toggle {
  display: none;
}

.button {
  display: inline-flex;
  min-height: 51px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-size: 14px;
  font-weight: 720;
  letter-spacing: -0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

.button svg {
  width: 18px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  background: var(--lime-bright);
  color: #162604;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--lime) 20%, transparent);
}

.button-primary:hover {
  box-shadow: 0 14px 35px color-mix(in srgb, var(--lime) 30%, transparent);
}

.button-secondary,
.button-ghost {
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--surface-raised) 76%, transparent);
  color: var(--text);
}

.button-secondary:hover,
.button-ghost:hover {
  border-color: color-mix(in srgb, var(--lime) 35%, var(--line));
  background: var(--surface-raised);
}

.button-small {
  min-height: 40px;
  padding-inline: 16px;
  border-radius: 11px;
  font-size: 13px;
}

.hero {
  position: relative;
  display: flex;
  min-height: 760px;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 70px) 0 72px;
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  opacity: 0.24;
  mask-image: linear-gradient(to bottom, black 0%, transparent 76%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
  pointer-events: none;
}

.hero-glow-one {
  top: 6%;
  right: -12%;
  width: 56vw;
  height: 56vw;
  background: radial-gradient(circle, color-mix(in srgb, var(--lime) 11%, transparent), transparent 68%);
}

.hero-glow-two {
  bottom: -35%;
  left: -16%;
  width: 48vw;
  height: 48vw;
  background: radial-gradient(circle, rgba(42, 173, 144, 0.08), transparent 68%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 0.9fr) minmax(540px, 1.1fr);
  gap: 45px;
}

.release-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 28px;
  padding: 7px 12px;
  border: 1px solid color-mix(in srgb, var(--lime) 24%, transparent);
  border-radius: 99px;
  background: color-mix(in srgb, var(--lime) 7%, transparent);
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 650;
}

.release-pill svg {
  width: 13px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--lime) 40%, transparent);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--lime);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(48px, 5.3vw, 75px);
  font-weight: 760;
  letter-spacing: -0.062em;
  line-height: 0.99;
}

.hero h1 span,
.install h2 span {
  color: var(--lime);
}

.hero-text {
  max-width: 570px;
  margin: 25px 0 0;
  color: var(--muted-strong);
  font-size: 18px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 35px;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 21px;
  margin: 24px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 12px;
  list-style: none;
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trust-list span {
  color: var(--lime);
  font-weight: 800;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  padding-top: 21px;
  /* The dashboard window drives this column's box, so the floating cards can
     be anchored to its edges and never land on the mock dashboard's text. */
  --dashboard-width: min(100%, 550px);
  --card-overlap: 22px;
}

.visual-orbit {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--lime) 15%, transparent);
  border-radius: 50%;
}

.orbit-one {
  inset: 20px -40px -20px 25px;
}

.orbit-two {
  inset: 68px 9px 30px 70px;
  border-style: dashed;
  opacity: 0.65;
}

.dashboard-window {
  position: relative;
  width: var(--dashboard-width);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background: color-mix(in srgb, var(--surface) 93%, transparent);
  box-shadow: var(--shadow);
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
  backdrop-filter: blur(12px);
}

.window-bar {
  display: flex;
  height: 49px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted-strong);
  font-size: 11px;
}

.window-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 670;
}

.ha-mark {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 6px;
  background: #18a8e0;
}

.ha-mark span {
  width: 8px;
  height: 8px;
  border: 2px solid #fff;
  border-top: 0;
  transform: rotate(45deg);
}

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

.window-actions i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
}

.dashboard-content {
  position: relative;
  padding: 25px 27px 22px;
}

.dashboard-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.dash-kicker {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.dashboard-head h2 {
  margin: 2px 0 0;
  font-size: 21px;
  letter-spacing: -0.03em;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--lime) 10%, transparent);
  color: var(--lime);
  font-size: 10px;
  font-weight: 700;
}

.status-badge i,
.connected i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.system-visual {
  position: relative;
  display: grid;
  height: 230px;
  place-items: center;
}

.heat-rings {
  position: absolute;
  width: 176px;
  height: 176px;
}

.heat-rings > span {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--lime) 24%, transparent);
  border-radius: 50%;
}

.heat-rings > span:nth-child(1) { inset: 0; border-style: dashed; animation: rotate 28s linear infinite; }
.heat-rings > span:nth-child(2) { inset: 20px; border-color: color-mix(in srgb, var(--lime) 15%, transparent); }
.heat-rings > span:nth-child(3) { inset: 40px; background: radial-gradient(circle, color-mix(in srgb, var(--lime) 14%, transparent), transparent 70%); }

@keyframes rotate { to { transform: rotate(360deg); } }

.heat-rings svg {
  position: absolute;
  inset: 57px;
  width: 62px;
  color: var(--lime);
  filter: drop-shadow(0 0 12px color-mix(in srgb, var(--lime) 30%, transparent));
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.temp-main {
  position: absolute;
  bottom: 12px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateX(-50%);
}

.temp-main strong {
  font-size: 26px;
  letter-spacing: -0.04em;
}

.temp-main span,
.temp-side span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.temp-side {
  position: absolute;
  display: flex;
  flex-direction: column;
}

.temp-side strong {
  font-size: 12px;
}

.temp-top { top: 66px; right: 19px; align-items: flex-end; }
.temp-bottom { bottom: 23px; left: 16px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px;
}

.metric-card {
  display: flex;
  min-height: 70px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-raised) 76%, transparent);
}

.metric-card.accent {
  border-color: color-mix(in srgb, var(--lime) 18%, transparent);
  background: color-mix(in srgb, var(--lime) 6%, var(--surface-raised));
}

.metric-icon {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 10px;
  background: color-mix(in srgb, var(--lime) 10%, transparent);
  color: var(--lime);
}

.metric-icon svg {
  width: 18px;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.metric-card div:not(.mode-line) {
  display: flex;
  flex-direction: column;
}

.metric-card small,
.mode-info small {
  color: var(--muted);
  font-size: 9px;
}

.metric-card strong {
  font-size: 17px;
  line-height: 1.25;
}

.metric-card em {
  color: var(--muted);
  font-size: 10px;
  font-style: normal;
}

.metric-card.full {
  grid-column: 1 / -1;
  min-height: 54px;
}

.mode-info {
  min-width: 76px;
}

.mode-info strong {
  font-size: 12px;
}

.mode-line {
  position: relative;
  width: 100%;
  height: 4px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--line-strong);
}

.mode-line span {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lime-dark), var(--lime));
}

.mode-value {
  white-space: nowrap;
  color: var(--lime);
  font-size: 11px;
  font-weight: 750;
}

.demo-label {
  position: absolute;
  left: 10px;
  bottom: 5px;
  color: var(--muted);
  font-size: 7px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.floating-card {
  position: absolute;
  z-index: 2;
  display: flex;
  border: 1px solid var(--line-strong);
  border-radius: 15px;
  background: var(--surface-glass);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.floating-energy {
  top: 92px;
  right: calc(var(--dashboard-width) - var(--card-overlap));
  flex-direction: column;
  width: max-content;
  padding: 13px 17px;
}

.floating-energy span,
.floating-energy small,
.floating-local span {
  color: var(--muted);
  font-size: 9px;
}

.floating-energy strong {
  font-size: 18px;
}

.floating-energy small {
  color: var(--lime);
}

.floating-energy i {
  font-style: normal;
}

.floating-local {
  right: -18px;
  bottom: -38px;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
}

.floating-local svg {
  width: 20px;
  color: var(--lime);
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.floating-local div {
  display: flex;
  flex-direction: column;
}

.floating-local strong {
  font-size: 10px;
}

.scroll-cue {
  position: absolute;
  bottom: 22px;
  left: 50%;
  width: 21px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  transform: translateX(-50%);
}

.scroll-cue span {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 3px;
  height: 6px;
  border-radius: 99px;
  background: var(--lime);
  transform: translateX(-50%);
  animation: scroll-cue 1.8s ease-in-out infinite;
}

@keyframes scroll-cue {
  0%, 100% { transform: translate(-50%, 0); opacity: 1; }
  65% { transform: translate(-50%, 10px); opacity: 0; }
}

.section {
  position: relative;
  padding: 116px 0;
}

.section-heading {
  max-width: 700px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-heading h2,
.install h2 {
  margin: 0;
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 740;
  letter-spacing: -0.052em;
  line-height: 1.08;
}

.section-heading > p:last-child {
  max-width: 620px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 16px;
}

.features {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.feature-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

#smart .feature-card {
  min-height: 0;
}

#smart .feature-number {
  position: static;
  display: block;
  margin-bottom: 12px;
  font-size: 24px;
}

#smart .feature-card > a {
  display: inline-block;
  margin-top: 20px;
}

#smart .release-note {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.feature-card {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
}

.feature-card::after {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--lime) 6%, transparent), transparent 70%);
  content: "";
  pointer-events: none;
  right: -70px;
  bottom: -90px;
}

.feature-card-wide {
  display: grid;
  min-height: 410px;
  grid-column: 1 / -1;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: center;
  gap: 44px;
}

.feature-number {
  position: absolute;
  top: 25px;
  right: 28px;
  color: var(--line-strong);
  font-size: 42px;
  font-weight: 760;
  letter-spacing: -0.05em;
}

.feature-icon {
  display: grid;
  width: 47px;
  height: 47px;
  margin-bottom: 24px;
  place-items: center;
  border-radius: 14px;
}

.feature-icon svg {
  width: 23px;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-icon.lime { background: color-mix(in srgb, var(--lime) 11%, transparent); color: var(--lime); }
.feature-icon.blue { background: rgba(75, 200, 255, 0.1); color: var(--blue); }
.feature-icon.orange { background: rgba(255, 155, 99, 0.1); color: var(--orange); }

.feature-card h3 {
  margin: 0;
  font-size: 25px;
  letter-spacing: -0.035em;
}

.feature-card p {
  max-width: 500px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.mini-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.mini-list li {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted-strong);
  font-size: 10px;
}

.feature-chart {
  position: relative;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 17px;
  color: var(--muted);
  font-size: 9px;
}

.chart-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.chart-legend i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #759086;
}

.chart-legend .lime-dot {
  background: var(--lime);
}

.chart-legend strong {
  margin-left: auto;
  padding: 4px 7px;
  border-radius: 6px;
  background: var(--surface-raised);
  color: var(--muted-strong);
  font-weight: 650;
}

.feature-chart svg {
  width: 100%;
  height: auto;
  margin-top: 12px;
  overflow: visible;
}

.grid-lines {
  stroke: var(--line);
  stroke-width: 1;
}

.chart-area { fill: url(#area); }
.chart-line-main, .chart-line-second { fill: none; stroke-linecap: round; }
.chart-line-main { stroke: var(--lime); stroke-width: 3; filter: drop-shadow(0 0 4px color-mix(in srgb, var(--lime) 30%, transparent)); }
.chart-line-second { stroke: #789287; stroke-width: 2; stroke-dasharray: 5 6; }

.chart-labels {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 8px;
}

.control-demo,
.automation-demo {
  position: absolute;
  right: 34px;
  bottom: 34px;
  left: 34px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: color-mix(in srgb, var(--bg) 50%, transparent);
}

.control-demo > div:first-child,
.control-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted-strong);
  font-size: 11px;
}

.control-demo strong {
  color: var(--text);
  font-size: 13px;
}

.control-demo input {
  width: 100%;
  height: 4px;
  margin: 18px 0;
  accent-color: var(--blue);
  pointer-events: none;
}

.control-switch {
  padding-top: 13px;
  border-top: 1px solid var(--line);
}

.control-switch i {
  position: relative;
  width: 31px;
  height: 18px;
  border-radius: 99px;
  background: var(--blue);
}

.control-switch i::after {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  content: "";
}

.automation-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.auto-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  color: var(--muted-strong);
  font-size: 10px;
}

.auto-node i {
  display: grid;
  width: 41px;
  height: 41px;
  place-items: center;
  border-radius: 12px;
  font-size: 17px;
  font-style: normal;
}

.sun-node { background: rgba(255, 155, 99, 0.1); color: var(--orange); }
.heat-node { background: color-mix(in srgb, var(--lime) 10%, transparent); color: var(--lime); }
.auto-arrow { color: var(--line-strong); }

.feature-strip {
  display: grid;
  margin-top: 16px;
  padding: 23px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  grid-template-columns: repeat(4, 1fr);
}

.feature-strip > div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 3px 18px;
  border-right: 1px solid var(--line);
}

.feature-strip > div:last-child {
  border-right: 0;
}

.strip-icon {
  display: grid;
  width: 39px;
  height: 39px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 11px;
  background: color-mix(in srgb, var(--lime) 8%, transparent);
  color: var(--lime);
  font-size: 11px;
  font-weight: 800;
}

.feature-strip p {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.feature-strip strong { font-size: 12px; }
.feature-strip small { color: var(--muted); font-size: 9px; }

.preview {
  overflow: hidden;
  background: var(--bg);
}

.heading-row {
  display: grid;
  max-width: none;
  grid-template-columns: 1fr 0.62fr;
  align-items: end;
  text-align: left;
}

.heading-row > p:last-child {
  margin: 0 0 5px;
  font-size: 14px;
}

.preview-tabs {
  display: flex;
  width: fit-content;
  gap: 4px;
  margin: 0 auto 20px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
}

.preview-tabs button {
  padding: 8px 18px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.preview-tabs button[aria-selected="true"] {
  background: color-mix(in srgb, var(--lime) 10%, var(--surface-raised));
  color: var(--lime);
}

.preview-stage {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.preview-stage::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 20%, color-mix(in srgb, var(--lime) 7%, transparent), transparent 38%);
  content: "";
  pointer-events: none;
}

.preview-panel {
  position: relative;
  z-index: 1;
  min-height: 540px;
  animation: panel-in 0.32s ease;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

#panel-overview {
  display: grid;
  grid-template-columns: 190px 1fr;
  background: color-mix(in srgb, var(--bg) 58%, var(--surface));
}

.ha-sidebar {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 25px 17px;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
}

.ha-logo {
  display: grid;
  width: 40px;
  height: 40px;
  margin: 0 0 23px 8px;
  place-items: center;
  border-radius: 12px;
  background: #18a8e0;
}

.ha-logo i {
  width: 16px;
  height: 16px;
  border: 3px solid white;
  border-top: 0;
  transform: rotate(45deg);
}

.side-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.side-item i {
  width: 20px;
  font-size: 14px;
  font-style: normal;
  text-align: center;
}

.side-item.active {
  background: color-mix(in srgb, var(--lime) 10%, transparent);
  color: var(--lime);
}

.ha-page {
  min-width: 0;
  padding: 24px 30px 30px;
}

.ha-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
}

.ha-top strong {
  font-size: 19px;
  letter-spacing: -0.025em;
}

.mobile-ha-menu {
  display: none;
}

.ha-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.ha-card {
  min-height: 280px;
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface-raised);
}

.ha-card-title {
  display: flex;
  align-items: center;
  gap: 11px;
}

.round-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  font-size: 14px;
}

.round-icon.lime { background: color-mix(in srgb, var(--lime) 11%, transparent); color: var(--lime); }
.round-icon.blue { background: rgba(75, 200, 255, 0.1); color: var(--blue); }
.round-icon.orange { background: rgba(255, 155, 99, 0.1); color: var(--orange); }

.ha-card-title div {
  display: flex;
  flex-direction: column;
}

.ha-card-title strong { font-size: 12px; }
.ha-card-title small { color: var(--muted); font-size: 9px; }

.ha-temp {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin: 28px 0 25px;
}

.ha-temp > strong {
  font-size: 55px;
  font-weight: 550;
  letter-spacing: -0.06em;
  line-height: 1;
}

.ha-temp > span {
  margin: 5px 0 0 7px;
  color: var(--muted-strong);
  font-size: 15px;
  line-height: 1.15;
}

.ha-temp > span small {
  color: var(--muted);
  font-size: 8px;
  text-transform: uppercase;
}

.ha-temp-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
}

.ha-temp-row span {
  display: flex;
  flex-direction: column;
}

.ha-temp-row strong {
  color: var(--text);
  font-size: 12px;
}

.energy-bars {
  display: flex;
  height: 130px;
  align-items: flex-end;
  gap: 8px;
  margin: 20px 4px 12px;
  border-bottom: 1px solid var(--line);
}

.energy-bars i {
  width: 100%;
  height: var(--h);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(to top, rgba(75, 200, 255, 0.2), var(--blue));
  opacity: 0.8;
}

.energy-values {
  display: flex;
  justify-content: space-between;
}

.energy-values span {
  display: flex;
  flex-direction: column;
}

.energy-values small { color: var(--muted); font-size: 9px; }
.energy-values strong { font-size: 13px; }

.ha-wide-card {
  min-height: 100px;
  grid-column: 1 / -1;
}

.right-value {
  margin-left: auto;
  font-size: 15px !important;
}

.ha-progress {
  height: 5px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--line-strong);
}

.ha-progress span {
  display: block;
  width: 76%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--orange), var(--lime));
}

#panel-control,
#panel-diagnostics {
  padding: 40px;
}

.device-header,
.diagnostic-head {
  display: flex;
  align-items: center;
  margin-bottom: 31px;
}

.device-icon {
  display: grid;
  width: 53px;
  height: 53px;
  margin-right: 14px;
  place-items: center;
  border-radius: 16px;
  background: color-mix(in srgb, var(--lime) 10%, transparent);
  color: var(--lime);
  font-size: 22px;
}

.device-header small,
.diagnostic-head small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.device-header h3,
.diagnostic-head h3 {
  margin: 0;
  font-size: 23px;
  letter-spacing: -0.03em;
}

.connected {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  padding: 7px 11px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--lime) 8%, transparent);
  color: var(--lime);
  font-size: 10px;
  font-weight: 700;
}

.circuit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.circuit-card {
  display: grid;
  min-height: 168px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface-raised);
  grid-template-columns: 1fr auto;
}

.circuit-card > div:first-child {
  display: flex;
  flex-direction: column;
}

.circuit-card span { font-size: 12px; font-weight: 700; }
.circuit-card small { color: var(--muted); font-size: 9px; }
.circuit-card > strong { font-size: 24px; letter-spacing: -0.04em; }

.segmented,
.zone-line {
  align-self: end;
  grid-column: 1 / -1;
}

.segmented {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.segmented span {
  position: relative;
  width: 30px;
  height: 18px;
  border-radius: 99px;
  background: var(--lime);
}

.segmented span::after {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #102000;
  content: "";
}

.segmented b {
  color: var(--lime);
  font-size: 9px;
}

.zone-line {
  height: 5px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--line-strong);
}

.zone-line span {
  display: block;
  width: var(--z);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--lime));
}

.diagnostic-head {
  justify-content: space-between;
}

.health-score {
  display: grid;
  width: 67px;
  height: 67px;
  place-items: center;
  border: 5px solid color-mix(in srgb, var(--lime) 70%, var(--line));
  border-radius: 50%;
  color: var(--lime);
  font-size: 12px;
  font-weight: 800;
  box-shadow: inset 0 0 0 4px color-mix(in srgb, var(--lime) 5%, transparent);
}

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

.diagnostic-list > div {
  display: grid;
  min-height: 65px;
  align-items: center;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-raised);
  grid-template-columns: auto 1fr auto;
  gap: 12px;
}

.check {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--lime) 10%, transparent);
  color: var(--lime);
  font-size: 11px;
  font-weight: 800;
}

.diagnostic-list p {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.diagnostic-list strong { font-size: 11px; }
.diagnostic-list small { color: var(--muted); font-size: 9px; }
.diagnostic-list > div > span:last-child { color: var(--muted-strong); font-size: 10px; }

.diagnostic-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 10px;
}

.diagnostic-note span {
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--blue);
}

.preview-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 10px;
  text-align: center;
}

.preview-note span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
}

.install {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.install::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--line-strong) 1px, transparent 1px);
  background-size: 24px 24px;
  content: "";
  opacity: 0.35;
  mask-image: linear-gradient(90deg, black, transparent 45%);
}

.install-shell {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 78px;
}

.install-copy > p:nth-of-type(2) {
  max-width: 490px;
  margin: 20px 0 0;
  color: var(--muted);
}

.install-steps {
  position: relative;
  display: grid;
  gap: 22px;
  margin-top: 35px;
}

.install-steps::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 17px;
  width: 1px;
  background: var(--line-strong);
  content: "";
}

.install-steps > div {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.install-steps > div > span {
  z-index: 1;
  display: grid;
  width: 35px;
  height: 35px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--lime) 25%, transparent);
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--lime);
  font-size: 11px;
  font-weight: 800;
}

.install-steps p {
  display: flex;
  flex-direction: column;
  margin: 1px 0 0;
}

.install-steps strong { font-size: 13px; }
.install-steps small { margin-top: 2px; color: var(--muted); font-size: 10px; }

.requirements {
  margin-top: 35px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.requirements span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.requirements p {
  margin: 4px 0 0;
  color: var(--muted-strong);
  font-size: 10px;
}

.download-card {
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  background: linear-gradient(150deg, var(--surface-raised), var(--surface));
  box-shadow: var(--shadow);
}

.download-card-top {
  display: flex;
  align-items: center;
  margin-bottom: 22px;
}

.download-mark {
  display: grid;
  width: 58px;
  height: 58px;
  margin-right: 14px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--lime) 22%, transparent);
  border-radius: 17px;
  background: color-mix(in srgb, var(--lime) 9%, transparent);
  color: var(--lime);
}

.download-mark svg {
  width: 31px;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.download-card-top div {
  display: flex;
  flex-direction: column;
}

.download-card-top small { color: var(--muted); font-size: 10px; }
.download-card-top h3 { margin: 0; font-size: 27px; line-height: 1.15; }

.stable-badge {
  margin-left: auto;
  padding: 6px 9px;
  border: 1px solid color-mix(in srgb, var(--lime) 20%, transparent);
  border-radius: 99px;
  background: color-mix(in srgb, var(--lime) 7%, transparent);
  color: var(--lime);
  font-size: 9px;
  font-weight: 750;
}

.button-full {
  width: 100%;
}

.hacs-link {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.hacs-link:hover {
  border-color: rgba(75, 200, 255, 0.3);
  background: rgba(75, 200, 255, 0.04);
}

.hacs-symbol {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 9px;
  background: #18a8e0;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.hacs-link > span:nth-child(2) {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.hacs-link strong { font-size: 11px; }
.hacs-link small { color: var(--muted); font-size: 9px; }
.hacs-link svg { width: 16px; stroke: var(--muted); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.repo-copy {
  margin-top: 19px;
}

.repo-copy > span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.repo-copy > div {
  display: flex;
  height: 43px;
  align-items: center;
  gap: 9px;
  margin-top: 6px;
  padding: 0 7px 0 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 52%, transparent);
}

.repo-copy code {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  color: var(--muted-strong);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.repo-copy button {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border: 0;
  border-radius: 7px;
  background: var(--surface-raised);
  color: var(--muted);
  cursor: pointer;
}

.repo-copy button:hover { color: var(--lime); }
.repo-copy button svg { width: 15px; stroke: currentColor; stroke-width: 1.5; }

.docs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 21px;
  padding-top: 21px;
  border-top: 1px solid var(--line);
}

.docs-grid a {
  position: relative;
  display: grid;
  min-height: 76px;
  padding: 13px 13px 11px 43px;
  border: 1px solid var(--line);
  border-radius: 11px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.docs-grid a:hover {
  border-color: color-mix(in srgb, var(--lime) 25%, var(--line));
  transform: translateY(-2px);
}

.docs-grid a > span {
  position: absolute;
  top: 13px;
  left: 12px;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 7px;
  background: color-mix(in srgb, var(--lime) 8%, transparent);
  color: var(--lime);
  font-size: 9px;
  font-weight: 800;
}

.docs-grid strong { font-size: 10px; }
.docs-grid small { color: var(--muted); font-size: 8px; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.footer-main {
  display: grid;
  padding-top: 58px;
  padding-bottom: 45px;
  grid-template-columns: 1fr auto;
  gap: 60px;
}

.footer-main > div:first-child p {
  max-width: 330px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.footer-links {
  display: flex;
  gap: 75px;
}

.footer-links > div {
  display: flex;
  min-width: 90px;
  flex-direction: column;
  gap: 7px;
}

.footer-links strong {
  margin-bottom: 5px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links a {
  color: var(--muted);
  font-size: 11px;
}

.footer-links a:hover { color: var(--lime); }

.footer-bottom {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
}

.footer-bottom a { color: var(--muted-strong); }
.footer-bottom a:hover { color: var(--text); }
.footer-bottom span { color: var(--danger); }

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 200;
  padding: 11px 15px;
  border: 1px solid color-mix(in srgb, var(--lime) 25%, transparent);
  border-radius: 10px;
  background: var(--surface-raised);
  color: var(--text);
  box-shadow: var(--shadow-soft);
  font-size: 11px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.language-suggestion {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 210;
  display: flex;
  min-width: 310px;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--lime) 32%, var(--line));
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-raised) 96%, transparent);
  box-shadow: var(--shadow-soft);
}

.language-suggestion[hidden] { display: none; }
.language-suggestion p { display: grid; flex: 1; gap: 2px; margin: 0; }
.language-suggestion strong { font-size: 11px; }
.language-suggestion span { color: var(--muted); font-size: 9px; }
.language-suggestion a { color: var(--lime); font-size: 10px; font-weight: 760; white-space: nowrap; }
.language-suggestion button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Narrower than this the dashboard window fills its column, leaving the floating
   cards nowhere to hang without covering the mock dashboard or the headline. */
@media (max-width: 1200px) {
  .floating-card { display: none; }
}

@media (max-width: 1050px) {
  .nav-links { gap: 22px; margin-left: 2%; }
  .hero-grid { grid-template-columns: 0.88fr 1.12fr; gap: 22px; }
  .hero-visual { --dashboard-width: 500px; }
  .feature-strip > div { padding-inline: 10px; }
  .install-shell { gap: 46px; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .nav-download { display: none; }
  .nav-links {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: flex;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 12px 20px 24px;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    backdrop-filter: blur(20px);
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-links.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-links a { padding: 13px 8px; }
  .nav-links a::after { display: none; }
  .menu-toggle { display: grid; }
  .menu-toggle span {
    position: absolute;
    width: 17px;
    height: 1.5px;
    border-radius: 2px;
    background: currentColor;
    transition: transform 0.2s ease;
  }
  .menu-toggle span:first-child { transform: translateY(-3px); }
  .menu-toggle span:last-child { transform: translateY(3px); }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }
  .hero { min-height: 0; padding-top: calc(var(--header-h) + 70px); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 660px; text-align: center; justify-self: center; }
  .release-pill { margin-bottom: 24px; }
  .hero h1 { margin-inline: auto; }
  .hero-text { margin-inline: auto; }
  .hero-actions, .trust-list { justify-content: center; }
  .hero-visual {
    width: min(100%, 620px);
    margin: 28px auto 0;
    justify-content: center;
    --dashboard-width: min(100%, 540px);
  }
  .feature-card-wide { grid-template-columns: 1fr; }
  .feature-strip { grid-template-columns: repeat(2, 1fr); }
  .feature-strip > div:nth-child(2) { border-right: 0; }
  .feature-strip > div:nth-child(-n+2) { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
  .feature-strip > div:nth-child(n+3) { padding-top: 16px; }
  .heading-row { grid-template-columns: 1fr; gap: 16px; }
  .heading-row > p:last-child { max-width: 600px; margin: 0; }
  .install-shell { grid-template-columns: 1fr; }
  .install-copy { max-width: 650px; }
  .download-card { width: min(100%, 620px); }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .brand { font-size: 15px; }
  .brand-mark { width: 32px; height: 32px; }
  .theme-toggle, .language-toggle { width: 37px; height: 37px; }
  .menu-toggle { width: 37px; height: 37px; }
  .hero { padding-top: calc(var(--header-h) + 52px); padding-bottom: 58px; }
  .hero::before { background-size: 48px 48px; }
  .release-pill { margin-bottom: 21px; }
  .hero h1 { font-size: clamp(43px, 13vw, 58px); }
  .hero-text { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .trust-list { gap: 8px 16px; }
  .hero-visual { margin-top: 32px; padding-top: 12px; --dashboard-width: min(100%, 430px); }
  .dashboard-window { border-radius: 20px; }
  .window-bar { height: 41px; padding-inline: 13px; }
  .dashboard-content { padding: 17px 17px 14px; }
  .system-visual { height: 180px; }
  .heat-rings { width: 135px; height: 135px; }
  .heat-rings svg { inset: 42px; width: 51px; }
  .temp-main { bottom: 5px; }
  .temp-main strong { font-size: 22px; }
  .temp-top { top: 52px; }
  .temp-bottom { bottom: 13px; }
  .metric-card { min-height: 59px; padding: 9px 10px; }
  .metric-icon { width: 31px; height: 31px; }
  .metric-card.full { min-height: 45px; }
  .visual-orbit { display: none; }
  .scroll-cue { display: none; }
  .section { padding: 82px 0; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .install h2 { font-size: 38px; }
  .section-heading > p:last-child { font-size: 14px; }
  .feature-bento { grid-template-columns: 1fr; }
  .feature-card { min-height: 405px; padding: 26px; }
  .feature-card-wide { min-height: 0; grid-column: auto; gap: 28px; }
  .feature-chart { margin-top: 5px; padding: 13px; }
  .feature-card h3 { font-size: 23px; }
  .feature-number { top: 19px; right: 23px; }
  .control-demo, .automation-demo { right: 26px; bottom: 26px; left: 26px; }
  .feature-strip { grid-template-columns: 1fr; padding: 10px 18px; }
  .feature-strip > div { justify-content: flex-start; padding: 14px 5px; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-strip > div:nth-child(-n+2), .feature-strip > div:nth-child(n+3) { padding: 14px 5px; }
  .feature-strip > div:nth-child(2) { border-bottom: 1px solid var(--line); }
  .feature-strip > div:last-child { border-bottom: 0; }
  .heading-row { text-align: center; }
  .heading-row > p:last-child { text-align: center; }
  .preview-tabs { width: 100%; }
  .preview-tabs button { flex: 1; padding-inline: 8px; }
  .preview-stage, .preview-panel { min-height: 550px; }
  #panel-overview { grid-template-columns: 1fr; }
  .ha-sidebar { display: none; }
  .ha-page { padding: 17px; }
  .ha-top { padding-bottom: 17px; }
  .mobile-ha-menu { display: inline; }
  .ha-cards { grid-template-columns: 1fr; }
  .ha-card { min-height: 210px; padding: 17px; }
  .ha-energy { display: none; }
  .ha-wide-card { min-height: 95px; }
  .ha-temp { margin-block: 18px; }
  #panel-control, #panel-diagnostics { padding: 23px 18px; }
  .device-header { align-items: flex-start; }
  .device-icon { width: 44px; height: 44px; }
  .device-header h3, .diagnostic-head h3 { font-size: 19px; }
  .connected { padding: 6px 8px; font-size: 8px; }
  .circuit-grid { grid-template-columns: 1fr; }
  .circuit-card { min-height: 119px; }
  .diagnostic-head { align-items: flex-start; }
  .health-score { width: 54px; height: 54px; border-width: 4px; }
  .diagnostic-list > div { grid-template-columns: auto 1fr; }
  .diagnostic-list > div > span:last-child { display: none; }
  .preview-note { align-items: flex-start; text-align: left; }
  .preview-note span { flex: 0 0 auto; margin-top: 6px; }
  .install-shell { gap: 46px; }
  .download-card { padding: 21px; border-radius: 22px; }
  .download-mark { width: 49px; height: 49px; }
  .docs-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 35px; }
  .footer-links { gap: 55px; }
  .footer-bottom { align-items: flex-start; gap: 12px; padding-block: 18px; flex-direction: column; }
  .language-suggestion { right: 14px; bottom: 14px; left: 14px; min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}