:root {
  --brand-blue: #149bc9;
  --brand-teal: #0aa38f;
  --brand-green: #08aa4b;
  --brand-deep: #087f69;
  --ink: #292524;
  --ink-soft: #59645f;
  --paper: #f4f7f4;
  --paper-warm: #f8f6f0;
  --white: #fff;
  --line: rgba(28, 74, 63, 0.13);
  --shadow: 0 24px 60px rgba(20, 57, 48, 0.12);
  --gradient: linear-gradient(112deg, var(--brand-blue), var(--brand-teal) 52%, var(--brand-green));
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.form-open,
body.image-open {
  overflow: hidden;
}

img,
video {
  display: block;
  max-width: 100%;
}

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

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

button {
  color: inherit;
  font: inherit;
}

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 84px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.93);
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(17, 50, 42, 0.08);
  backdrop-filter: blur(18px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  width: 248px;
  height: 56px;
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  overflow: hidden;
}

.brand img {
  width: 100%;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  font-size: 15px;
  font-weight: 600;
}

.desktop-nav a {
  position: relative;
  padding: 31px 0 28px;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 22px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--brand-green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--gradient);
  box-shadow: 0 12px 30px rgba(8, 170, 75, 0.22);
}

.button-light {
  color: var(--brand-deep);
  background: var(--white);
  box-shadow: 0 12px 30px rgba(13, 57, 47, 0.16);
}

.button-small {
  min-height: 42px;
  padding: 0 20px;
  font-size: 13px;
}

.menu-toggle,
.menu-close {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle {
  display: grid;
  place-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.site-menu {
  position: fixed;
  z-index: 70;
  inset: 0;
  display: flex;
  visibility: hidden;
  align-items: flex-start;
  padding-top: 32px;
  color: var(--ink);
  background: rgba(8, 43, 36, 0.56);
  opacity: 0;
  backdrop-filter: blur(8px);
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.site-menu.open {
  visibility: visible;
  opacity: 1;
}

.menu-panel {
  max-height: calc(100vh - 64px);
  padding: 34px 42px 48px;
  overflow: auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transform: translateY(-20px);
  transition: transform 0.3s ease;
}

.site-menu.open .menu-panel {
  transform: none;
}

.menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.menu-top img {
  width: 240px;
  height: auto;
}

.menu-brand {
  display: block;
}

.menu-close {
  color: var(--ink-soft);
  font-size: 34px;
  line-height: 1;
}

.menu-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-top: 36px;
}

.menu-group {
  display: grid;
  align-content: start;
  gap: 14px;
}

.menu-group p {
  margin: 0 0 4px;
  color: var(--brand-teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.menu-group a {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.menu-group a:hover {
  color: var(--brand-green);
}

.hero {
  position: relative;
  min-height: 820px;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}

.hero-photo,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-photo {
  background: url("/images/hero-family.webp") center 58% / cover no-repeat;
  transform: scale(1.02);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(11, 44, 37, 0.86) 0%, rgba(11, 44, 37, 0.62) 40%, rgba(11, 44, 37, 0.08) 78%),
    linear-gradient(0deg, rgba(8, 50, 40, 0.42), transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 72px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--brand-teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.hero-eyebrow {
  color: #75e5d2;
  font-size: 14px;
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(54px, 6.4vw, 88px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-subtitle {
  margin: 22px 0 0;
  font-size: clamp(23px, 2.2vw, 31px);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.hero-benefits {
  display: flex;
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.hero-benefits li {
  padding: 10px 17px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 15px;
  backdrop-filter: blur(8px);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.hero-note {
  max-width: 560px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 11px;
  line-height: 1.7;
}

.hero-scroll {
  position: absolute;
  z-index: 2;
  right: 44px;
  bottom: 104px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 11px;
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
}

.hero-scroll span {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.5);
}

.quick-nav {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: -64px;
  overflow: hidden;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.quick-nav a {
  position: relative;
  display: grid;
  min-height: 158px;
  align-content: center;
  padding: 24px 28px;
  border-right: 1px solid var(--line);
  transition: color 0.2s ease, background 0.2s ease;
}

.quick-nav a:last-child {
  border-right: 0;
}

.quick-nav a::after {
  position: absolute;
  right: 22px;
  bottom: 20px;
  content: "↘";
  color: var(--brand-teal);
  font-size: 16px;
}

.quick-nav a:hover {
  color: var(--white);
  background: var(--gradient);
}

.quick-nav a:hover::after,
.quick-nav a:hover small {
  color: var(--white);
}

.quick-icon {
  color: var(--brand-green);
  font-size: 32px;
  font-weight: 300;
  line-height: 1;
}

.quick-nav strong {
  margin-top: 12px;
  font-size: 21px;
  letter-spacing: 0.1em;
}

.quick-nav small {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 15px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 20px;
  padding: 22px 26px;
  color: var(--ink-soft);
  background: var(--paper);
  border-radius: 16px;
  font-size: 13px;
}

.trust-strip span {
  text-align: center;
  border-right: 1px solid var(--line);
}

.trust-strip span:last-child {
  border: 0;
}

.trust-strip b {
  margin-right: 9px;
  color: var(--brand-teal);
}

.section {
  padding: 124px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 58px;
}

.section-heading h2,
.scene-intro h2,
.contact-content h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.section-heading > p:last-child,
.scene-intro > p:last-child,
.contact-content > p {
  max-width: 630px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.9;
}

.section-heading-inline {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr minmax(300px, 440px);
  align-items: end;
  gap: 60px;
}

.section-heading-inline p:last-child {
  margin-bottom: 8px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 22px;
}

.problem-card {
  position: relative;
  min-height: 550px;
  overflow: hidden;
  color: var(--white);
  border-radius: var(--radius);
}

.problem-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.problem-card-photo::after {
  position: absolute;
  inset: 40% 0 0;
  content: "";
  background: linear-gradient(transparent, rgba(9, 44, 36, 0.88));
}

.problem-copy {
  position: absolute;
  z-index: 2;
  right: 38px;
  bottom: 36px;
  left: 38px;
}

.problem-copy span {
  color: #8bead9;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.problem-copy h3 {
  margin: 10px 0;
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.25;
}

.problem-copy p {
  max-width: 580px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  line-height: 1.8;
}

.noise-card {
  background: var(--gradient);
}

.sound-rings {
  position: absolute;
  top: 42%;
  left: 50%;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 0 50px rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
}

.sound-rings i {
  position: absolute;
  inset: 50%;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.sound-rings i:nth-child(1) { width: 120px; height: 120px; }
.sound-rings i:nth-child(2) { width: 220px; height: 220px; }
.sound-rings i:nth-child(3) { width: 330px; height: 330px; }

.solution-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
}

.solution-row article {
  padding: 28px 30px;
  border-right: 1px solid var(--line);
}

.solution-row article:last-child {
  border-right: 0;
}

.solution-row b {
  color: var(--brand-deep);
  font-size: 14px;
}

.solution-row p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.what-section {
  position: relative;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 10%, rgba(20, 155, 201, 0.22), transparent 30%),
    #083d34;
  overflow: hidden;
}

.section-heading-light .eyebrow {
  color: #78e5d2;
}

.section-heading-light > p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.floor-system {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  gap: 80px;
}

.floor-visual {
  position: relative;
  height: 430px;
  perspective: 900px;
}

.floor-layer {
  position: absolute;
  left: 4%;
  width: 88%;
  height: 104px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 22px 28px;
  border-radius: 16px;
  transform: rotateX(58deg) rotateZ(-10deg);
  box-shadow: 0 24px 35px rgba(0, 0, 0, 0.2);
}

.floor-layer span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(8, 61, 52, 0.35);
  font-size: 11px;
}

.layer-1 { top: 0; z-index: 4; background: linear-gradient(135deg, #c69a67, #89603c); }
.layer-2 { top: 78px; z-index: 3; background: linear-gradient(135deg, #0eaa82, #06705e); }
.layer-3 { top: 156px; z-index: 2; background: linear-gradient(135deg, #179dca, #0b6792); }
.layer-4 { top: 234px; z-index: 1; background: linear-gradient(135deg, #244940, #102e27); }

.impact-dot {
  position: absolute;
  z-index: 6;
  top: -18px;
  left: 43%;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 22px rgba(117, 229, 210, 0.08), 0 0 0 48px rgba(117, 229, 210, 0.05);
}

.impact-dot i {
  position: absolute;
  top: 58px;
  left: 31px;
  width: 2px;
  height: 62px;
  background: linear-gradient(rgba(255, 255, 255, 0.8), transparent);
}

.feature-list {
  display: grid;
}

.feature-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 22px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.feature-list article > span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(117, 229, 210, 0.4);
  border-radius: 50%;
  color: #75e5d2;
  font-size: 12px;
}

.feature-list h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.feature-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  line-height: 1.8;
}

.testing-note {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto;
  align-items: center;
  gap: 30px;
  margin-top: 46px;
  padding: 28px 32px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
}

.testing-note div {
  display: grid;
  gap: 6px;
}

.testing-note strong {
  font-size: 14px;
}

.testing-note div span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
}

.testing-note a {
  color: #75e5d2;
  font-size: 13px;
  font-weight: 700;
}

.why-video-block {
  position: relative;
  margin-bottom: 92px;
  padding: 38px;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 255, 255, 0.72), transparent 28%),
    linear-gradient(135deg, rgba(20, 155, 201, 0.09), rgba(10, 163, 143, 0.12) 52%, rgba(8, 170, 75, 0.07));
  border: 1px solid rgba(10, 163, 143, 0.13);
  border-radius: 26px;
}

.why-video-block::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  content: "";
  background: var(--gradient);
}

.video-intro {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  align-items: end;
  gap: 54px;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.video-intro .eyebrow {
  margin-bottom: 12px;
}

.video-intro h3 {
  margin: 0;
  color: var(--brand-deep);
  font-size: clamp(30px, 3.7vw, 48px);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.04em;
}

.video-intro h3 span + span {
  margin-left: 0.14em;
}

.video-intro > p {
  max-width: 390px;
  margin: 0 0 4px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.video-scroller {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.video-card {
  position: relative;
  min-height: 238px;
  display: grid;
  grid-template-columns: minmax(120px, 42%) minmax(0, 1fr);
  padding: 0;
  overflow: hidden;
  text-align: left;
  border: 1px solid rgba(19, 83, 68, 0.1);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(21, 48, 41, 0.08);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.video-thumb {
  position: relative;
  min-height: 238px;
  display: block;
  overflow: hidden;
  background: var(--brand-deep);
}

.video-thumb::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(5, 35, 29, 0.08), transparent 52%, rgba(5, 35, 29, 0.28));
}

.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #dce9e4;
  transition: transform 0.45s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.025);
}

.video-duration,
.play-button {
  position: absolute;
  z-index: 2;
}

.video-index {
  color: var(--brand-teal);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.play-button {
  top: 50%;
  left: 50%;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  padding-left: 3px;
  color: var(--brand-deep);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(5, 52, 42, 0.18);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(8px);
}

.video-duration {
  top: 12px;
  right: 10px;
  padding: 6px 9px;
  color: var(--white);
  background: rgba(5, 45, 37, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  backdrop-filter: blur(8px);
}

.video-card-copy {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 9px;
  padding: 23px 18px 18px;
  color: var(--ink);
}

.video-card-copy strong {
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.025em;
}

.video-card-copy small {
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

.video-cta {
  align-self: end;
  margin-top: auto;
  padding-top: 14px;
  color: var(--brand-teal);
  border-top: 1px solid var(--line);
  font-size: 11px;
  font-weight: 800;
}

.video-cta b {
  margin-left: 4px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  padding: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.product-card::before {
  position: absolute;
  right: -80px;
  bottom: -110px;
  width: 280px;
  height: 280px;
  content: "";
  border: 56px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
}

.product-card.balance { background: linear-gradient(145deg, #eaf8f3, #d7efe6); }
.product-card.allround { color: var(--white); background: linear-gradient(145deg, #119fc7, #087e9d); }
.product-card.premium { color: var(--white); background: linear-gradient(145deg, #0aa876, #08744f); }

.product-number {
  margin-bottom: auto;
  color: var(--brand-deep);
  font-size: 72px;
  font-weight: 800;
  line-height: 1;
  opacity: 0.15;
}

.allround .product-number,
.premium .product-number {
  color: var(--white);
}

.product-card > p {
  margin: 46px 0 8px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 800;
}

.allround > p,
.premium > p {
  color: #a8f2e0;
}

.product-card h3 {
  margin: 0;
  font-size: 26px;
  line-height: 1.35;
}

.product-card ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 28px;
  padding: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
  list-style: none;
}

.allround ul,
.premium ul {
  color: rgba(255, 255, 255, 0.72);
}

.product-card li::before {
  margin-right: 8px;
  color: var(--brand-green);
  content: "✓";
}

.allround li::before,
.premium li::before {
  color: #a8f2e0;
}

.product-card a {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
}

.scene-section {
  padding: 92px 0;
  color: var(--white);
  background: var(--gradient);
}

.scene-section .shell {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 70px;
}

.scene-intro .eyebrow {
  color: rgba(255, 255, 255, 0.68);
}

.scene-intro > p:last-child {
  color: rgba(255, 255, 255, 0.74);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.scene-grid span {
  min-height: 128px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
}

.scene-grid b {
  font-size: 29px;
  font-weight: 300;
}

.report-section {
  background: var(--paper);
}

.report-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
}

.data-panel {
  min-height: 490px;
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  align-items: end;
  gap: 20px;
  padding: 48px;
  color: var(--white);
  background: #083d34;
  border-radius: var(--radius);
}

.data-copy > span {
  color: #75e5d2;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.data-copy > strong {
  display: block;
  margin: 16px 0 6px;
  font-size: clamp(92px, 12vw, 150px);
  line-height: 0.85;
  letter-spacing: -0.08em;
}

.data-copy strong small {
  margin-left: 8px;
  font-size: 28px;
  letter-spacing: 0;
}

.data-copy p {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  line-height: 1.8;
}

.bars {
  height: 270px;
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.bars div {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.bars i {
  width: 48px;
  display: block;
  min-height: 12px;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 10px 10px 0 0;
}

.bars div:last-child i {
  background: var(--gradient);
}

.bars span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 10px;
  white-space: nowrap;
}

.report-cards {
  display: grid;
  gap: 12px;
}

.report-cards a {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 21px;
  background: var(--white);
  border: 1px solid transparent;
  border-radius: 18px;
  transition: border 0.2s ease, transform 0.2s ease;
}

.report-cards a:hover {
  border-color: rgba(10, 163, 143, 0.4);
  transform: translateX(4px);
}

.report-cards a > span {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  color: var(--brand-deep);
  background: #e5f6f1;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
}

.report-cards div {
  display: grid;
  gap: 6px;
}

.report-cards strong {
  font-size: 14px;
}

.report-cards small {
  color: var(--ink-soft);
  font-size: 11px;
}

.report-cards b {
  color: var(--brand-teal);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.case-card {
  overflow: hidden;
  background: var(--paper);
  border-radius: var(--radius);
}

.case-large {
  grid-row: span 2;
}

.case-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.case-large img {
  height: 67%;
  aspect-ratio: auto;
}

.case-card > div {
  padding: 28px 30px 32px;
}

.case-card span {
  color: var(--brand-teal);
  font-size: 11px;
  font-weight: 800;
}

.case-card h3 {
  margin: 8px 0 10px;
  font-size: 21px;
  line-height: 1.4;
}

.case-large h3 {
  font-size: 28px;
}

.case-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.process-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
}

.process-strip div {
  display: grid;
  gap: 7px;
  padding: 0 26px;
  border-right: 1px solid var(--line);
}

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

.process-strip span {
  color: var(--brand-teal);
  font-size: 11px;
  font-weight: 800;
}

.process-strip strong {
  font-size: 15px;
}

.process-strip small {
  color: var(--ink-soft);
  line-height: 1.5;
}

.color-scene-section {
  background:
    radial-gradient(circle at 92% 8%, rgba(20, 155, 201, 0.1), transparent 25%),
    #edf6f2;
  overflow: hidden;
}

.color-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.color-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.color-filters button {
  min-height: 42px;
  padding: 0 18px;
  color: var(--ink-soft);
  border: 1px solid rgba(28, 74, 63, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.2s ease, border 0.2s ease, background 0.2s ease;
}

.color-filters button:hover,
.color-filters button.active {
  color: var(--white);
  border-color: transparent;
  background: var(--brand-teal);
}

.color-gallery-controls {
  display: flex;
  gap: 8px;
}

.color-gallery-controls button {
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--brand-deep);
  border: 1px solid rgba(28, 74, 63, 0.15);
  border-radius: 50%;
  background: var(--white);
  font-size: 18px;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.color-gallery-controls button:hover {
  color: var(--white);
  background: var(--brand-teal);
  transform: translateY(-2px);
}

.color-gallery {
  width: 100%;
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: 1fr;
  grid-auto-columns: 320px;
  gap: 18px;
  padding: 0 0 18px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.color-gallery::-webkit-scrollbar {
  display: none;
}

.color-scene-card {
  position: relative;
  min-width: 0;
  align-self: start;
  padding: 0;
  overflow: hidden;
  text-align: left;
  border: 0;
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 14px 38px rgba(25, 67, 56, 0.1);
  cursor: zoom-in;
  scroll-snap-align: start;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.color-scene-card[hidden] {
  display: none;
}

.color-scene-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 52px rgba(25, 67, 56, 0.16);
}

.color-scene-card img {
  width: 100%;
  height: 430px;
  object-fit: cover;
  object-position: center top;
  background: #dfe8e3;
  transition: transform 0.45s ease;
}

.color-scene-card:hover img {
  transform: scale(1.025);
}

.color-scene-card > span {
  display: grid;
  gap: 7px;
  padding: 22px 58px 24px 22px;
}

.color-scene-card small {
  color: var(--brand-teal);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.color-scene-card strong {
  font-size: 18px;
}

.color-scene-card > i {
  position: absolute;
  right: 20px;
  bottom: 25px;
  color: var(--ink-soft);
  font-size: 10px;
  font-style: normal;
}

.color-note {
  margin: 16px 0 0;
  color: #74807b;
  font-size: 10px;
  line-height: 1.7;
}

.faq-section {
  background: var(--paper-warm);
}

.faq-shell {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 80px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 26px 0;
  text-align: left;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.faq-item button span {
  font-size: 16px;
  font-weight: 700;
}

.faq-item button b {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--brand-deep);
  background: var(--white);
  border-radius: 50%;
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-item button[aria-expanded="true"] b {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.faq-answer p {
  min-height: 0;
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.faq-item button[aria-expanded="true"] + .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item button[aria-expanded="true"] + .faq-answer p {
  padding-bottom: 26px;
}

.contact-section {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}

.contact-section > img,
.contact-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.contact-section > img {
  object-fit: cover;
  object-position: center;
}

.contact-shade {
  background: linear-gradient(90deg, rgba(6, 45, 37, 0.9), rgba(6, 45, 37, 0.55) 55%, rgba(6, 45, 37, 0.12));
}

.contact-content {
  position: relative;
  z-index: 2;
}

.contact-content .eyebrow {
  color: #78e5d2;
}

.contact-content > p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-options {
  max-width: 720px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 38px;
}

.contact-options a {
  min-height: 158px;
  display: grid;
  align-content: space-between;
  padding: 24px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-radius: 18px;
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, background 0.2s ease;
}

.contact-options a:hover {
  color: var(--white);
  background: var(--brand-teal);
  transform: translateY(-4px);
}

.contact-options span {
  color: var(--brand-teal);
  font-size: 11px;
  font-weight: 800;
}

.contact-options a:hover span {
  color: rgba(255, 255, 255, 0.7);
}

.contact-options strong {
  font-size: 15px;
  line-height: 1.5;
}

.contact-options b {
  justify-self: end;
  font-weight: 400;
}

.site-footer {
  padding: 62px 0 42px;
  color: rgba(255, 255, 255, 0.72);
  background: #072e27;
}

.footer-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px 60px;
  align-items: center;
}

.footer-inner > img {
  display: block;
  width: 260px;
  height: auto;
  padding: 6px 10px;
  background: var(--white);
  border-radius: 12px;
}

.footer-inner > p {
  max-width: 560px;
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
}

.footer-inner nav {
  grid-column: 1 / -1;
  display: flex;
  gap: 26px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

.footer-inner nav a:hover {
  color: #75e5d2;
}

.footer-inner small {
  grid-column: 1 / -1;
  font-size: 10px;
}

.bottom-nav {
  display: none;
}

.inquiry-modal {
  width: min(940px, calc(100% - 32px));
  max-height: min(90vh, 920px);
  padding: 0;
  overflow: auto;
  color: var(--ink);
  border: 0;
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.35);
}

.inquiry-modal::backdrop {
  background: rgba(3, 35, 29, 0.75);
  backdrop-filter: blur(8px);
}

.inquiry-modal-inner {
  padding: 42px 46px 46px;
}

.inquiry-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.inquiry-modal-head .eyebrow {
  margin-bottom: 10px;
}

.inquiry-modal-head h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.inquiry-modal-head > div > p:last-child {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.inquiry-close {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  padding: 0;
  color: var(--ink-soft);
  border: 0;
  border-radius: 50%;
  background: var(--paper);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.inquiry-form {
  padding-top: 28px;
}

.intent-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.intent-fieldset legend,
.form-field > span {
  display: block;
  margin-bottom: 10px;
  color: #46524d;
  font-size: 12px;
  font-weight: 700;
}

.form-field > span b {
  color: #d35c4a;
}

.intent-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.intent-options label {
  cursor: pointer;
}

.intent-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.intent-options span {
  min-height: 48px;
  display: grid;
  place-items: center;
  padding: 0 12px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper);
  font-size: 13px;
  font-weight: 700;
  transition: color 0.2s ease, border 0.2s ease, background 0.2s ease;
}

.intent-options input:checked + span {
  color: var(--brand-deep);
  border-color: rgba(10, 163, 143, 0.5);
  background: #e7f7f2;
  box-shadow: inset 0 0 0 1px rgba(10, 163, 143, 0.12);
}

.intent-options input:focus-visible + span {
  outline: 3px solid #75e5d2;
  outline-offset: 2px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 16px;
  margin-top: 24px;
}

.form-field {
  display: block;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 50px;
  padding: 0 15px;
  color: var(--ink);
  border: 1px solid rgba(28, 74, 63, 0.18);
  border-radius: 12px;
  background: var(--white);
  font: inherit;
  font-size: 14px;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
  min-height: 108px;
  padding-top: 14px;
  line-height: 1.7;
  resize: vertical;
}

.form-field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #698078 50%), linear-gradient(135deg, #698078 50%, transparent 50%);
  background-position: calc(100% - 18px) 21px, calc(100% - 13px) 21px;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--brand-teal);
  outline: 0;
  box-shadow: 0 0 0 4px rgba(10, 163, 143, 0.1);
}

.form-field.invalid input,
.form-field.invalid select,
.form-field.invalid textarea {
  border-color: #d35c4a;
}

.field-error {
  min-height: 16px;
  display: block;
  margin-top: 5px;
  color: #bd493c;
  font-size: 10px;
  line-height: 1.5;
}

.form-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.consent-field {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.7;
  cursor: pointer;
}

.consent-field input {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin: 2px 0 0;
  accent-color: var(--brand-teal);
}

.consent-error {
  margin-left: 25px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 16px;
}

.form-submit {
  min-width: 170px;
  border: 0;
  cursor: pointer;
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.72;
}

.form-submit i {
  width: 15px;
  height: 15px;
  display: none;
  margin-left: 9px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: form-spin 0.75s linear infinite;
}

.form-submit.loading i {
  display: block;
}

.form-status {
  margin: 0;
  color: #bd493c;
  font-size: 12px;
  line-height: 1.6;
}

.form-status.success {
  color: var(--brand-deep);
}

.form-success {
  min-height: 480px;
  place-content: center;
  justify-items: center;
  text-align: center;
}

.form-success:not([hidden]) {
  display: grid;
}

.form-success > span {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--gradient);
  border-radius: 50%;
  font-size: 32px;
  box-shadow: 0 18px 45px rgba(8, 170, 75, 0.22);
}

.form-success h3 {
  margin: 24px 0 8px;
  font-size: 30px;
}

.form-success p {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
}

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

.video-modal {
  width: min(860px, calc(100% - 32px));
  padding: 0;
  overflow: hidden;
  color: var(--white);
  border: 0;
  border-radius: 22px;
  background: #061b17;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.42);
}

.video-modal::backdrop {
  background: rgba(3, 22, 18, 0.78);
  backdrop-filter: blur(8px);
}

.video-modal-inner {
  padding: 18px;
}

.video-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px 14px;
}

.video-close {
  width: 38px;
  height: 38px;
  padding: 0;
  color: var(--white);
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-size: 27px;
  cursor: pointer;
}

.video-modal video {
  width: 100%;
  max-height: 72vh;
  background: #000;
  border-radius: 13px;
}

.image-modal {
  width: min(760px, calc(100% - 32px));
  max-height: 92vh;
  padding: 0;
  overflow: hidden;
  color: var(--white);
  border: 0;
  border-radius: 22px;
  background: #061b17;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.48);
}

.image-modal::backdrop {
  background: rgba(3, 22, 18, 0.84);
  backdrop-filter: blur(9px);
}

.image-modal-inner {
  padding: 16px;
}

.image-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 2px 13px;
}

.image-modal-head strong {
  font-size: 14px;
}

.image-close {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  padding: 0;
  color: var(--white);
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-size: 27px;
  cursor: pointer;
}

.image-modal img {
  width: 100%;
  max-height: calc(92vh - 83px);
  object-fit: contain;
  background: #102b25;
  border-radius: 13px;
}

:focus-visible {
  outline: 3px solid #75e5d2;
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .desktop-nav,
  .header-actions .button {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

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

  .problem-grid,
  .floor-system,
  .report-layout,
  .scene-section .shell,
  .faq-shell {
    grid-template-columns: 1fr;
  }

  .floor-system {
    gap: 24px;
  }

  .section-heading-inline {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .video-intro {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .product-grid {
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .product-grid::-webkit-scrollbar {
    display: none;
  }

  .product-card {
    scroll-snap-align: start;
  }

  .scene-section .shell {
    gap: 40px;
  }

  .faq-shell {
    gap: 10px;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 68px;
  }

  body {
    padding-bottom: calc(74px + env(safe-area-inset-bottom));
  }

  .shell {
    width: min(calc(100% - 32px), 620px);
  }

  .site-header {
    height: 66px;
  }

  .brand {
    width: 188px;
    height: 45px;
    padding: 4px 8px;
    border-radius: 9px;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }

  .site-menu {
    align-items: stretch;
    padding: 0;
  }

  .menu-panel {
    width: 100%;
    max-height: none;
    padding: 20px 20px 34px;
    border-radius: 0;
  }

  .menu-top img {
    width: 190px;
  }

  .menu-columns {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 24px;
  }

  .menu-group {
    gap: 8px;
  }

  .hero {
    min-height: 720px;
    align-items: flex-end;
    padding-bottom: 124px;
  }

  .hero-photo {
    background-position: 60% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(7, 43, 35, 0.94) 0%, rgba(7, 43, 35, 0.63) 53%, rgba(7, 43, 35, 0.13) 100%),
      linear-gradient(90deg, rgba(7, 43, 35, 0.28), transparent);
  }

  .hero-content {
    padding-top: 88px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(29px, 9.2vw, 54px);
    line-height: 1.12;
    letter-spacing: -0.055em;
  }

  .hero-subtitle {
    margin-top: 16px;
    font-size: 20px;
  }

  .hero-benefits {
    gap: 7px;
    margin-top: 24px;
  }

  .hero-benefits li {
    padding: 8px 11px;
    font-size: 12px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin-top: 24px;
  }

  .button {
    min-width: 0;
    min-height: 48px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero-note,
  .hero-scroll {
    display: none;
  }

  .quick-nav {
    width: calc(100% - 24px);
    grid-template-columns: repeat(4, 1fr);
    margin-top: -78px;
    border-radius: 17px;
  }

  .quick-nav a {
    min-width: 0;
    min-height: 124px;
    padding: 18px 8px;
    text-align: center;
    overflow: hidden;
  }

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

  .quick-icon {
    font-size: 25px;
  }

  .quick-nav strong {
    margin-top: 8px;
    font-size: 13px;
  }

  .quick-nav small {
    font-size: 11px;
    white-space: nowrap;
  }

  .trust-strip {
    width: calc(100% - 32px);
    grid-template-columns: 1fr;
    gap: 11px;
    margin-top: 14px;
    padding: 17px 22px;
  }

  .trust-strip span {
    padding-bottom: 11px;
    text-align: left;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip span:last-child {
    padding-bottom: 0;
  }

  .section {
    padding: 82px 0;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .why-video-block {
    margin-bottom: 64px;
    padding: 24px 16px 18px;
    border-radius: 20px;
  }

  .video-intro {
    margin-bottom: 22px;
    padding-bottom: 22px;
  }

  .video-intro h3 span {
    display: block;
  }

  .video-intro h3 span + span {
    margin-top: 2px;
    margin-left: 0;
  }

  .video-intro > p {
    font-size: 14px;
  }

  .section-heading h2,
  .scene-intro h2,
  .contact-content h2 {
    font-size: clamp(35px, 10.8vw, 49px);
  }

  .section-heading > p:last-child,
  .scene-intro > p:last-child,
  .contact-content > p {
    margin-top: 17px;
    font-size: 14px;
    line-height: 1.8;
  }

  .eyebrow {
    margin-bottom: 14px;
    font-size: 10px;
  }

  .problem-grid {
    gap: 14px;
  }

  .problem-card {
    min-height: 440px;
    border-radius: 22px;
  }

  .noise-card {
    min-height: 380px;
  }

  .problem-copy {
    right: 24px;
    bottom: 24px;
    left: 24px;
  }

  .problem-copy h3 {
    font-size: 25px;
  }

  .solution-row {
    grid-template-columns: 1fr;
  }

  .solution-row article {
    padding: 22px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .solution-row article:last-child {
    border-bottom: 0;
  }

  .floor-visual {
    height: 340px;
    transform: scale(0.9);
    transform-origin: center;
  }

  .floor-layer {
    left: -2%;
    width: 104%;
    height: 85px;
    padding: 16px;
  }

  .layer-1 { top: 0; }
  .layer-2 { top: 65px; }
  .layer-3 { top: 130px; }
  .layer-4 { top: 195px; }

  .feature-list article {
    grid-template-columns: 47px 1fr;
    gap: 16px;
    padding: 23px 0;
  }

  .feature-list article > span {
    width: 42px;
    height: 42px;
  }

  .feature-list h3 {
    font-size: 19px;
  }

  .testing-note {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 28px;
    padding: 24px;
  }

  .product-grid {
    width: calc(100vw - 16px);
    grid-template-columns: repeat(3, minmax(268px, 78vw));
    gap: 14px;
    padding: 0 16px 14px 0;
  }

  .video-scroller {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0;
    overflow: visible;
  }

  .video-card {
    min-height: 164px;
    grid-template-columns: 104px minmax(0, 1fr);
    border-radius: 16px;
  }

  .video-thumb {
    min-height: 164px;
  }

  .video-card-copy {
    gap: 6px;
    padding: 15px 14px 13px;
  }

  .video-card-copy strong {
    font-size: 17px;
    line-height: 1.35;
  }

  .video-card-copy small {
    font-size: 10px;
  }

  .video-cta {
    padding-top: 9px;
    font-size: 10px;
  }

  .play-button {
    width: 42px;
    height: 42px;
  }

  .video-duration {
    top: 8px;
    right: 7px;
    padding: 5px 7px;
    font-size: 9px;
  }

  .product-card {
    min-height: 430px;
    padding: 30px;
  }

  .scene-section {
    padding: 76px 0;
  }

  .scene-grid {
    gap: 8px;
  }

  .scene-grid span {
    min-height: 105px;
    font-size: 12px;
  }

  .scene-grid b {
    font-size: 24px;
  }

  .data-panel {
    min-height: 520px;
    grid-template-columns: 1fr;
    padding: 30px;
  }

  .bars {
    height: 190px;
    justify-content: flex-start;
  }

  .data-copy > strong {
    font-size: 110px;
  }

  .report-cards a {
    grid-template-columns: 48px 1fr auto;
    padding: 17px;
  }

  .report-cards a > span {
    width: 48px;
    height: 48px;
  }

  .case-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .case-large {
    grid-row: auto;
  }

  .case-large img,
  .case-card img {
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .case-card > div {
    padding: 23px;
  }

  .case-large h3,
  .case-card h3 {
    font-size: 21px;
  }

  .process-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    padding: 10px 18px;
  }

  .process-strip div {
    padding: 18px 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-strip div:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .process-strip div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .color-toolbar {
    align-items: flex-end;
  }

  .color-gallery {
    width: 100%;
    grid-auto-columns: 82vw;
    gap: 14px;
    padding-right: 8px;
  }

  .color-gallery-controls {
    display: none;
  }

  .color-filters {
    flex-wrap: nowrap;
    width: 100%;
    padding-bottom: 3px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .color-filters::-webkit-scrollbar {
    display: none;
  }

  .color-filters button {
    min-height: 40px;
    flex: 0 0 auto;
    padding: 0 16px;
  }

  .color-scene-card {
    border-radius: 20px;
  }

  .color-scene-card img {
    height: 420px;
  }

  .color-scene-card > span {
    padding: 20px 54px 22px 20px;
  }

  .color-scene-card strong {
    font-size: 17px;
  }

  .color-scene-card > i {
    right: 18px;
    bottom: 23px;
  }

  .faq-item button {
    padding: 22px 0;
  }

  .faq-item button span {
    font-size: 14px;
    line-height: 1.6;
  }

  .contact-section {
    min-height: 860px;
    align-items: flex-end;
    padding-bottom: 70px;
  }

  .contact-section > img {
    object-position: 58% center;
  }

  .contact-shade {
    background: linear-gradient(0deg, rgba(6, 45, 37, 0.96), rgba(6, 45, 37, 0.59) 72%, rgba(6, 45, 37, 0.14));
  }

  .contact-options {
    grid-template-columns: 1fr;
    gap: 9px;
    margin-top: 28px;
  }

  .contact-options a {
    min-height: 108px;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 18px 20px;
  }

  .contact-options span {
    grid-column: 1;
  }

  .contact-options strong {
    grid-column: 1;
  }

  .contact-options b {
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .site-footer {
    padding: 48px 0 34px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-inner > img {
    width: 220px;
  }

  .footer-inner nav {
    grid-column: auto;
    flex-wrap: wrap;
    gap: 14px 22px;
  }

  .footer-inner small {
    grid-column: auto;
  }

  .bottom-nav {
    position: fixed;
    z-index: 60;
    right: 0;
    bottom: 0;
    left: 0;
    height: calc(74px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 7px 6px env(safe-area-inset-bottom);
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--line);
    box-shadow: 0 -10px 30px rgba(14, 47, 39, 0.12);
    backdrop-filter: blur(16px);
  }

  .bottom-nav a {
    display: grid;
    place-items: center;
    align-content: center;
    gap: 3px;
    color: #7a847f;
    font-size: 10px;
    border-radius: 12px;
  }

  .bottom-nav a.active {
    color: var(--brand-deep);
    background: #e8f7f2;
  }

  .bottom-nav span {
    font-size: 20px;
    line-height: 1;
  }

  .bottom-nav small {
    font-size: 11px;
    font-weight: 700;
  }

  .video-modal-inner {
    padding: 12px;
  }

  .image-modal {
    width: calc(100% - 20px);
    max-height: 94vh;
    border-radius: 18px;
  }

  .image-modal-inner {
    padding: 11px;
  }

  .image-modal img {
    max-height: calc(94vh - 73px);
    border-radius: 10px;
  }

  .inquiry-modal {
    width: 100%;
    max-width: none;
    max-height: calc(100dvh - 18px);
    margin: auto 0 0;
    border-radius: 24px 24px 0 0;
  }

  .inquiry-modal-inner {
    padding: 26px 20px calc(30px + env(safe-area-inset-bottom));
  }

  .inquiry-modal-head {
    gap: 18px;
    padding-bottom: 22px;
  }

  .inquiry-modal-head h2 {
    font-size: 29px;
  }

  .inquiry-modal-head > div > p:last-child {
    font-size: 11px;
  }

  .inquiry-close {
    width: 38px;
    height: 38px;
  }

  .inquiry-form {
    padding-top: 22px;
  }

  .intent-options {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .intent-options span {
    min-height: 44px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 20px;
  }

  .form-field-full {
    grid-column: auto;
  }

  .form-field textarea {
    min-height: 96px;
  }

  .form-actions {
    display: grid;
    gap: 10px;
  }

  .form-submit {
    width: 100%;
  }

  .form-success {
    min-height: 66vh;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}