:root {
  --paper: #f5f2e9;
  --paper-deep: #ebe6d9;
  --ink: #1d342c;
  --ink-soft: #5e6a61;
  --forest: #1d3b32;
  --forest-light: #294b40;
  --accent: #d96844;
  --accent-dark: #b84e31;
  --line: rgba(29, 52, 44, .14);
  --white: #fffefa;
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --shadow: 0 30px 70px rgba(50, 48, 36, .12), 0 3px 12px rgba(50, 48, 36, .05);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

button,
input {
  font: inherit;
}

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

button {
  color: inherit;
}

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

svg {
  display: block;
  width: 1.25em;
  height: 1.25em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(217, 104, 68, .42);
  outline-offset: 4px;
}

::selection {
  color: var(--white);
  background: var(--accent);
}

.icon-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 18px;
  color: white;
  background: var(--forest);
  border-radius: 8px;
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 242, 233, .88);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1240px, calc(100% - 80px));
  height: 88px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  gap: 11px;
  align-items: center;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  width: 35px;
  height: 35px;
  color: var(--paper);
  background: var(--forest);
  border-radius: 11px;
  place-items: center;
}

.brand-mark svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
  stroke: none;
}

.brand-mark circle {
  fill: var(--accent);
}

.brand-name {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .04em;
}

.brand-name > span {
  color: #8b9189;
  font-weight: 400;
}

.main-nav {
  display: flex;
  gap: 37px;
  align-items: center;
  margin-left: 65px;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
  color: #687169;
  font-size: 14px;
  transition: color .2s ease;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  margin: auto;
  content: "";
  background: var(--accent);
  border-radius: 2px;
  transition: width .2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--ink);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 18px;
}

.personal-badge {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  padding: 7px 13px;
  color: #53645b;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 12px;
  letter-spacing: .06em;
}

.personal-badge svg {
  width: 14px;
  height: 14px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform .2s ease;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(460px, 530px);
  gap: 70px;
  align-items: center;
  width: min(1240px, calc(100% - 80px));
  min-height: 790px;
  margin: 0 auto;
  padding: 72px 0 92px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: 10px;
  animation: enter-left .8s both;
}

.eyebrow {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 0 28px;
  color: #7e867c;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .24em;
  line-height: 1.4;
}

.eyebrow > span {
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  margin: 0 0 29px;
  font-family: var(--serif);
  font-size: clamp(66px, 6vw, 90px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -.065em;
}

.hero h1 em {
  color: var(--forest);
  font-style: normal;
}

.title-dot {
  color: var(--accent);
}

.hero-description {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  gap: 30px;
  align-items: center;
  margin-top: 35px;
}

.button {
  display: inline-flex;
  gap: 28px;
  align-items: center;
  justify-content: center;
  min-height: 53px;
  padding: 0 25px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.button svg {
  width: 18px;
  height: 18px;
  transition: transform .2s ease;
}

.button-primary {
  color: #fffaf2;
  background: var(--forest);
  box-shadow: 0 9px 22px rgba(29, 59, 50, .15);
}

.button-primary:hover {
  background: var(--forest-light);
  box-shadow: 0 12px 28px rgba(29, 59, 50, .2);
  transform: translateY(-2px);
}

.button:hover svg {
  transform: translateX(3px);
}

.text-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: #667268;
  font-size: 13px;
}

.text-link span {
  color: var(--accent);
  font-size: 19px;
  transition: transform .2s ease;
}

.text-link:hover {
  color: var(--ink);
}

.text-link:hover span {
  transform: translate(2px, 2px);
}

.hero-details {
  display: flex;
  gap: 0;
  margin: 52px 0 0;
}

.hero-details > div {
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 0 23px;
  border-left: 1px solid var(--line);
}

.hero-details > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-details dt {
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 19px;
  font-style: italic;
}

.hero-details dd {
  margin: 0;
  color: #737c73;
  font-size: 11px;
  letter-spacing: .08em;
}

.hero-visual {
  position: relative;
  z-index: 1;
  animation: enter-right .9s .12s both;
}

.ambient-shape {
  position: absolute;
  z-index: -1;
  top: -45px;
  right: -75px;
  width: 420px;
  height: 420px;
  background: #e5a17b;
  border-radius: 52% 48% 62% 38% / 45% 54% 46% 55%;
  opacity: .24;
  filter: blur(1px);
  transform: rotate(-14deg);
}

.ambient-shape::after {
  position: absolute;
  right: -32px;
  bottom: -370px;
  width: 230px;
  height: 230px;
  content: "";
  border: 1px solid rgba(29, 59, 50, .15);
  border-radius: 50%;
}

.visual-note {
  position: absolute;
  z-index: 3;
  color: #8e9288;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 8px;
  letter-spacing: .23em;
  writing-mode: vertical-rl;
}

.note-top {
  top: 35px;
  right: -26px;
}

.note-bottom {
  bottom: 30px;
  left: -28px;
  transform: rotate(180deg);
}

.control-panel {
  position: relative;
  padding: 20px;
  background: rgba(255, 254, 250, .95);
  border: 1px solid rgba(255, 255, 255, .85);
  border-radius: 27px;
  box-shadow: var(--shadow);
  scroll-margin-top: 30px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1px 2px 17px;
}

.room-name {
  display: flex;
  gap: 11px;
  align-items: center;
}

.room-icon {
  display: grid;
  width: 38px;
  height: 38px;
  color: var(--forest);
  background: #e9eee8;
  border-radius: 12px;
  place-items: center;
}

.room-icon svg {
  width: 19px;
  height: 19px;
}

.room-name strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.room-name small {
  display: block;
  margin-top: 3px;
  color: #9a9d95;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 7px;
  letter-spacing: .15em;
  line-height: 1.3;
}

.demo-badge {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 5px 9px;
  color: #7b8178;
  background: #f4f2eb;
  border: 1px solid #e6e3da;
  border-radius: 100px;
  font-size: 9px;
  letter-spacing: .05em;
}

.demo-badge i {
  width: 5px;
  height: 5px;
  background: #7f9a85;
  border-radius: 50%;
}

.room-preview {
  position: relative;
  height: 224px;
  overflow: hidden;
  background: #e6e1d5;
  border-radius: 18px;
}

.room-illustration {
  width: 100%;
  height: 100%;
  stroke: none;
  transition: filter .7s ease;
}

.room-preview::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, transparent 45%, rgba(20, 35, 29, .48));
}

.room-caption {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 15px;
  left: 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  color: white;
}

.room-caption span {
  padding: 4px 9px;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 100px;
  backdrop-filter: blur(8px);
  font-size: 9px;
  letter-spacing: .06em;
}

.room-caption strong {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .04em;
}

.lamp-aura,
.lamp-bulb {
  opacity: var(--light-opacity, .8);
  transition: opacity .5s ease;
}

.lamp-shade {
  transition: fill .4s ease, opacity .4s ease;
}

.room-preview.light-off .lamp-shade {
  fill: #9a9688;
}

.control-panel[data-scene="movie"] .room-illustration {
  filter: brightness(.78) saturate(.8);
}

.control-panel[data-scene="night"] .room-illustration {
  filter: brightness(.53) saturate(.55);
}

.light-control {
  padding: 17px 2px 15px;
  border-bottom: 1px solid #ece9e0;
}

.control-heading {
  display: flex;
  align-items: center;
}

.device-icon {
  display: grid;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  color: #536d61;
  background: #edf0e9;
  border-radius: 11px;
  place-items: center;
}

.device-icon.warm {
  color: #ac6c35;
  background: #f7ecdc;
}

.device-icon svg {
  width: 17px;
  height: 17px;
}

.control-heading > div {
  margin-left: 11px;
}

.control-heading strong,
.device-card > strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
}

.control-heading small {
  display: block;
  margin-top: 2px;
  color: #969b92;
  font-size: 9px;
}

.switch {
  position: relative;
  width: 38px;
  height: 22px;
  margin-left: auto;
  padding: 0;
  background: #d5d6d0;
  border: 0;
  border-radius: 100px;
  cursor: pointer;
  transition: background .25s ease;
}

.switch span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .16);
  transition: transform .25s ease;
}

.switch.is-on {
  background: var(--forest);
}

.switch.is-on span {
  transform: translateX(16px);
}

.brightness-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 13px;
}

.brightness-row > svg {
  width: 15px;
  height: 15px;
  color: #a3a79e;
}

.brightness-row input {
  width: 100%;
  height: 4px;
  margin: 0;
  appearance: none;
  background: linear-gradient(to right, #dba363 0%, #dba363 var(--range-progress, 80%), #e6e5de var(--range-progress, 80%), #e6e5de 100%);
  border-radius: 10px;
  cursor: pointer;
}

.brightness-row input::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  appearance: none;
  background: #fff;
  border: 3px solid #dba363;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .12);
}

.brightness-row input::-moz-range-thumb {
  width: 9px;
  height: 9px;
  background: #fff;
  border: 3px solid #dba363;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .12);
}

.brightness-row input:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.brightness-row output {
  min-width: 39px;
  color: #57665c;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  text-align: right;
}

.brightness-row output span {
  margin-left: 2px;
  color: #a0a49b;
  font-size: 9px;
}

.device-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  padding-top: 15px;
}

.device-card {
  min-width: 0;
  padding: 12px 13px 11px;
  background: #f5f4ee;
  border: 1px solid transparent;
  border-radius: 15px;
  transition: background .25s ease, opacity .25s ease;
}

.device-card.is-on {
  background: #f0f3ed;
  border-color: #e3e9df;
}

.device-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.device-card .device-icon {
  width: 29px;
  height: 29px;
  background: #e7ece4;
  border-radius: 9px;
}

.device-card .device-icon svg {
  width: 15px;
  height: 15px;
}

.mini-switch {
  position: relative;
  width: 29px;
  height: 17px;
  padding: 0;
  background: #cfd2ca;
  border: 0;
  border-radius: 20px;
  cursor: pointer;
}

.mini-switch span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 11px;
  height: 11px;
  background: white;
  border-radius: 50%;
  transition: transform .2s ease;
}

.mini-switch.is-on {
  background: #6c8979;
}

.mini-switch.is-on span {
  transform: translateX(12px);
}

.temperature-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 3px;
}

.temperature-row button {
  display: grid;
  width: 22px;
  height: 22px;
  padding: 0;
  color: #829087;
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  place-items: center;
}

.temperature-row button:hover:not(:disabled) {
  background: #dfe6dc;
}

.temperature-row button:disabled {
  cursor: not-allowed;
  opacity: .3;
}

.temperature-row button svg {
  width: 12px;
  height: 12px;
}

.temperature-row output {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 20px;
  line-height: 1.2;
}

.temperature-row output span {
  margin-left: 2px;
  color: #8d958b;
  font-size: 10px;
}

.device-card > p {
  display: flex;
  gap: 6px;
  align-items: center;
  min-height: 29px;
  margin: 5px 0 0;
  color: #879087;
  font-size: 9px;
}

.status-dot {
  width: 5px;
  height: 5px;
  background: #76977e;
  border-radius: 50%;
}

.device-card:not(.is-on) .status-dot {
  background: #a7aaa4;
}

.air-quality {
  display: flex;
  gap: 3px;
  align-items: flex-end;
  height: 8px;
  margin-top: 3px;
  transition: opacity .2s ease;
}

.air-quality span {
  width: 3px;
  background: #8ba393;
  border-radius: 2px;
}

.air-quality span:nth-child(1) { height: 3px; }
.air-quality span:nth-child(2) { height: 5px; }
.air-quality span:nth-child(3) { height: 7px; }
.air-quality span:nth-child(4) { height: 5px; }
.air-quality span:nth-child(5) { height: 8px; }

.device-card:not(.is-on) .air-quality {
  opacity: .2;
}

.panel-disclaimer {
  display: flex;
  gap: 5px;
  align-items: center;
  justify-content: center;
  margin: 12px 0 -4px;
  color: #a1a49d;
  font-size: 8px;
  letter-spacing: .03em;
}

.panel-disclaimer svg {
  width: 11px;
  height: 11px;
}

.scenes-section {
  width: min(1240px, calc(100% - 80px));
  margin: 0 auto;
  padding: 105px 0 110px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  gap: 50px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
}

.section-heading .eyebrow {
  margin-bottom: 20px;
}

.section-heading h2,
.philosophy-intro h2,
.about-section h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(37px, 3.4vw, 50px);
  font-weight: 500;
  line-height: 1.38;
  letter-spacing: -.045em;
}

.section-heading > p {
  margin: 0 0 7px;
  color: #7b837a;
  font-size: 13px;
  line-height: 2;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.scene-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 320px;
  padding: 24px;
  overflow: hidden;
  color: var(--ink);
  text-align: left;
  background: rgba(255, 254, 250, .52);
  border: 1px solid var(--line);
  border-radius: 20px;
  cursor: pointer;
  transition: color .3s ease, background .3s ease, border .3s ease, transform .3s ease, box-shadow .3s ease;
}

.scene-card::before {
  position: absolute;
  top: 47px;
  right: -32px;
  width: 125px;
  height: 125px;
  content: "";
  background: rgba(217, 104, 68, .07);
  border-radius: 50%;
  transform: scale(.6);
  transition: transform .4s ease;
}

.scene-card:hover {
  border-color: rgba(29, 59, 50, .32);
  box-shadow: 0 14px 35px rgba(48, 49, 38, .07);
  transform: translateY(-5px);
}

.scene-card:hover::before {
  transform: scale(1.25);
}

.scene-number {
  color: #93988f;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 8px;
  letter-spacing: .17em;
}

.scene-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin: 32px 0 24px;
  color: #5b7165;
  background: #e7ebe2;
  border-radius: 16px;
  place-items: center;
  transition: color .3s ease, background .3s ease, transform .3s ease;
}

.scene-icon svg {
  width: 23px;
  height: 23px;
}

.scene-card:hover .scene-icon {
  transform: rotate(-5deg);
}

.scene-content strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  line-height: 1.3;
}

.scene-content > span {
  color: #81887f;
  font-size: 11px;
  transition: color .3s ease;
}

.scene-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 23px;
  color: #8a9187;
  font-size: 9px;
  transition: color .3s ease;
}

.scene-footer i {
  display: grid;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
}

.scene-footer svg {
  width: 13px;
  height: 13px;
}

.scene-card.is-active {
  color: #f6f2e8;
  background: var(--forest);
  border-color: var(--forest);
  box-shadow: 0 18px 35px rgba(29, 59, 50, .16);
}

.scene-card.is-active::before {
  background: rgba(255, 255, 255, .045);
  transform: scale(1.4);
}

.scene-card.is-active .scene-number,
.scene-card.is-active .scene-content > span,
.scene-card.is-active .scene-footer {
  color: rgba(245, 242, 233, .6);
}

.scene-card.is-active .scene-icon {
  color: #fff4e9;
  background: var(--accent);
}

.scene-card.is-active .scene-footer i {
  border-color: rgba(255, 255, 255, .22);
}

.scene-hint {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin: 25px 0 0;
  color: #92978e;
  font-size: 10px;
}

.scene-hint > span {
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.philosophy-section {
  position: relative;
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto 20px;
  padding: 72px 60px 76px;
  overflow: hidden;
  color: #f3f0e6;
  background: var(--forest);
  border-radius: 32px;
}

.philosophy-intro {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  column-gap: 70px;
  align-items: end;
}

.eyebrow.light {
  grid-column: 1 / -1;
  color: rgba(245, 242, 233, .48);
}

.philosophy-intro h2 {
  grid-column: 1;
  grid-row: 2;
  font-size: clamp(40px, 3.5vw, 52px);
}

.philosophy-intro > p:last-child {
  grid-column: 2;
  grid-row: 2;
  max-width: 350px;
  margin: 0 0 7px;
  color: rgba(245, 242, 233, .64);
  font-size: 13px;
  line-height: 2;
}

.philosophy-orbit {
  position: absolute;
  top: -270px;
  right: -120px;
  width: 550px;
  height: 550px;
  opacity: .08;
}

.philosophy-orbit span {
  position: absolute;
  inset: 0;
  border: 1px solid #f5f2e9;
  border-radius: 50%;
}

.philosophy-orbit span:nth-child(2) { inset: 65px; }
.philosophy-orbit span:nth-child(3) { inset: 130px; }
.philosophy-orbit i {
  position: absolute;
  right: 69px;
  bottom: 104px;
  width: 13px;
  height: 13px;
  background: var(--accent);
  border-radius: 50%;
}

.principles {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.principles article {
  position: relative;
  min-width: 0;
  padding: 28px 0 0;
  border-top: 1px solid rgba(245, 242, 233, .16);
}

.principles article > span {
  position: absolute;
  top: 31px;
  right: 0;
  color: rgba(245, 242, 233, .34);
  font-family: Georgia, serif;
  font-size: 12px;
  font-style: italic;
}

.principles article > svg {
  width: 23px;
  height: 23px;
  margin: 0 0 23px;
  color: #dca17e;
}

.principles h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: .06em;
}

.principles p {
  max-width: 310px;
  margin: 0;
  color: rgba(245, 242, 233, .66);
  font-size: 13px;
  line-height: 2;
}

.about-section {
  display: grid;
  grid-template-columns: 74px 1fr 1fr;
  gap: 30px;
  align-items: center;
  width: min(1160px, calc(100% - 80px));
  margin: 0 auto;
  padding: 100px 0;
}

.about-mark {
  display: grid;
  width: 64px;
  height: 64px;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
}

.about-mark svg {
  width: 27px;
  height: 27px;
}

.about-section .eyebrow {
  margin-bottom: 13px;
  font-size: 8px;
}

.about-section h2 {
  font-size: 30px;
}

.about-section > p {
  margin: 22px 0 0;
  color: #7b837a;
  font-size: 12px;
  line-height: 2;
}

.site-footer {
  width: min(1240px, calc(100% - 80px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 37px 0;
}

.footer-main > p {
  margin: 0;
  color: #868d83;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .05em;
}

.back-top {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: #727c72;
  font-size: 11px;
}

.back-top svg {
  width: 15px;
  height: 15px;
}

.back-top:hover {
  color: var(--accent);
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  padding: 20px 0 27px;
  color: #91968d;
  border-top: 1px solid var(--line);
  font-family: Arial, var(--sans);
  font-size: 9px;
  letter-spacing: .03em;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom p:first-child span {
  margin: 0 7px;
}

.footer-bottom p:last-child {
  text-align: right;
}

.footer-bottom a {
  transition: color .2s ease;
}

.footer-bottom a:hover {
  color: var(--accent);
}

.toast {
  position: fixed;
  z-index: 100;
  right: 28px;
  bottom: 28px;
  display: flex;
  gap: 10px;
  align-items: center;
  max-width: calc(100% - 40px);
  padding: 13px 19px;
  color: #f8f5ec;
  background: rgba(29, 59, 50, .96);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 100px;
  box-shadow: 0 12px 35px rgba(20, 40, 32, .22);
  opacity: 0;
  pointer-events: none;
  transform: translateY(15px);
  transition: opacity .25s ease, transform .25s ease;
}

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

.toast > span {
  width: 6px;
  height: 6px;
  background: #e8a77e;
  border-radius: 50%;
}

.toast p {
  margin: 0;
  font-size: 11px;
}

@keyframes enter-left {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes enter-right {
  from { opacity: 0; transform: translateY(24px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(420px, 480px);
    gap: 45px;
  }

  .hero h1 {
    font-size: 69px;
  }

  .hero-details > div {
    padding: 0 15px;
  }

  .scene-card {
    min-height: 305px;
    padding: 20px;
  }

  .philosophy-section {
    gap: 55px;
  }
}

@media (max-width: 920px) {
  .header-inner,
  .hero,
  .scenes-section,
  .site-footer {
    width: min(100% - 48px, 680px);
  }

  .header-inner {
    height: 78px;
  }

  .main-nav {
    gap: 25px;
    margin-left: 0;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 70px;
    padding: 75px 0 90px;
  }

  .hero-copy {
    max-width: 590px;
  }

  .hero h1 {
    font-size: 82px;
  }

  .hero-visual {
    width: min(530px, 100%);
    margin: 0 auto;
  }

  .section-heading {
    display: block;
  }

  .section-heading > p {
    margin-top: 25px;
  }

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

  .scene-card {
    min-height: 295px;
  }

  .philosophy-section {
    width: calc(100% - 32px);
    padding: 58px 42px 62px;
  }

  .philosophy-intro {
    grid-template-columns: 1fr;
  }

  .philosophy-intro h2 {
    grid-row: auto;
  }

  .philosophy-intro > p:last-child {
    grid-column: 1;
    grid-row: auto;
    max-width: 520px;
    margin: 24px 0 0;
  }

  .principles {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 46px;
  }

  .principles article {
    display: grid;
    grid-template-columns: 40px 1fr;
    row-gap: 10px;
    padding-top: 26px;
  }

  .principles article > svg {
    grid-row: 1 / 3;
    margin: 3px 0 0;
  }

  .principles h3 {
    margin: 0;
  }

  .principles p {
    max-width: none;
  }

  .about-section {
    grid-template-columns: 64px 1fr;
    width: min(100% - 70px, 650px);
    padding: 80px 0;
  }

  .about-section > p {
    grid-column: 2;
    margin-top: -10px;
  }

  .footer-bottom {
    grid-template-columns: 1fr auto;
  }

  .footer-bottom p:last-child {
    display: none;
  }
}

@media (max-width: 680px) {
  html {
    scroll-padding-top: 85px;
  }

  .header-inner,
  .hero,
  .scenes-section,
  .site-footer {
    width: calc(100% - 36px);
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .header-inner {
    height: 70px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }

  .brand-mark svg {
    width: 25px;
    height: 25px;
  }

  .brand-name {
    font-size: 18px;
  }

  .personal-badge {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.25px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.25px) rotate(-45deg);
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    padding: 12px 18px 18px;
    visibility: hidden;
    background: rgba(245, 242, 233, .98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 25px rgba(40, 43, 33, .07);
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }

  .main-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .main-nav a {
    padding: 13px 10px;
    border-bottom: 1px solid rgba(29, 52, 44, .08);
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }

  .main-nav a::after {
    display: none;
  }

  .hero {
    gap: 53px;
    min-height: auto;
    padding: 55px 0 70px;
  }

  .eyebrow {
    margin-bottom: 22px;
    font-size: 9px;
  }

  .hero h1 {
    margin-bottom: 24px;
    font-size: clamp(53px, 16vw, 76px);
    letter-spacing: -.075em;
  }

  .hero-description {
    font-size: 14px;
    line-height: 1.9;
  }

  .hero-description br {
    display: none;
  }

  .hero-actions {
    gap: 22px;
    margin-top: 29px;
  }

  .button {
    gap: 18px;
    min-height: 50px;
    padding: 0 21px;
    font-size: 12px;
  }

  .text-link {
    font-size: 11px;
  }

  .hero-details {
    justify-content: space-between;
    margin-top: 40px;
  }

  .hero-details > div {
    display: block;
    padding: 0 18px;
  }

  .hero-details dt {
    font-size: 18px;
  }

  .hero-details dd {
    margin-top: 1px;
    font-size: 9px;
  }

  .visual-note {
    display: none;
  }

  .ambient-shape {
    top: -35px;
    right: -90px;
    width: 330px;
    height: 330px;
  }

  .control-panel {
    padding: 14px;
    border-radius: 23px;
  }

  .panel-header {
    padding: 2px 2px 14px;
  }

  .room-preview {
    height: 205px;
  }

  .room-caption strong {
    font-size: 13px;
  }

  .light-control {
    padding-top: 15px;
  }

  .device-card {
    padding: 11px;
  }

  .scenes-section {
    padding: 75px 0 80px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .section-heading h2,
  .philosophy-intro h2 {
    font-size: 36px;
  }

  .section-heading > p {
    font-size: 12px;
  }

  .section-heading > p br {
    display: none;
  }

  .scene-grid {
    gap: 11px;
  }

  .scene-card {
    min-height: 264px;
    padding: 17px;
    border-radius: 17px;
  }

  .scene-number {
    font-size: 7px;
    letter-spacing: .1em;
  }

  .scene-icon {
    width: 44px;
    height: 44px;
    margin: 26px 0 20px;
    border-radius: 13px;
  }

  .scene-icon svg {
    width: 20px;
    height: 20px;
  }

  .scene-content strong {
    font-size: 24px;
  }

  .scene-content > span {
    font-size: 10px;
  }

  .scene-footer {
    padding-top: 18px;
    font-size: 8px;
  }

  .scene-footer i {
    width: 24px;
    height: 24px;
  }

  .philosophy-section {
    width: calc(100% - 20px);
    margin-bottom: 10px;
    padding: 50px 24px 54px;
    border-radius: 25px;
  }

  .philosophy-orbit {
    top: -290px;
    right: -250px;
    opacity: .06;
  }

  .philosophy-intro > p:last-child {
    font-size: 13px;
    line-height: 2;
  }

  .principles article {
    grid-template-columns: 34px 1fr;
    row-gap: 10px;
    padding: 25px 0 0;
  }

  .principles p {
    font-size: 12px;
    line-height: 2;
  }

  .about-section {
    grid-template-columns: 1fr;
    gap: 22px;
    width: calc(100% - 50px);
    padding: 70px 0;
  }

  .about-mark {
    width: 52px;
    height: 52px;
  }

  .about-section > p {
    grid-column: 1;
    margin-top: 0;
  }

  .about-section h2 {
    font-size: 26px;
  }

  .footer-main {
    flex-wrap: wrap;
    gap: 20px;
    padding: 30px 0;
  }

  .footer-main > p {
    order: 3;
    width: 100%;
    font-size: 11px;
  }

  .footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    padding: 20px 0 25px;
    font-size: 9px;
  }

  .toast {
    right: 20px;
    bottom: 20px;
    left: 20px;
    justify-content: center;
  }
}

@media (max-width: 380px) {
  .hero-actions {
    gap: 16px;
  }

  .button {
    gap: 12px;
    padding: 0 17px;
  }

  .text-link {
    font-size: 10px;
  }

  .room-caption strong {
    font-size: 12px;
  }

  .scene-card {
    min-height: 255px;
    padding: 14px;
  }

  .scene-content > span {
    font-size: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}