:root {
  --navy: #081a2f;
  --navy-soft: #102a46;
  --teal: #00b8a9;
  --teal-dark: #008f86;
  --sky: #e7fbf8;
  --mist: #f5f8fb;
  --paper: #ffffff;
  --ink: #102033;
  --muted: #64748b;
  --line: rgba(16, 32, 51, 0.11);
  --shadow: 0 24px 80px rgba(8, 26, 47, 0.12);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 118px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(0, 184, 169, 0.14), transparent 26rem),
    radial-gradient(circle at 92% 12%, rgba(8, 26, 47, 0.1), transparent 30rem),
    linear-gradient(180deg, #f8fbfd 0%, #ffffff 42%, #f5f8fb 100%);
  font-family: "Manrope", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(calc(100% - 32px), var(--max));
  padding: 12px 14px 12px 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 60px rgba(8, 26, 47, 0.1);
  backdrop-filter: blur(22px);
  transform: translateX(-50%);
  transition: background 0.25s ease, box-shadow 0.25s ease, top 0.25s ease;
}

.site-header.is-scrolled {
  top: 10px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 46px rgba(8, 26, 47, 0.14);
}

.brand img {
  width: clamp(132px, 16vw, 178px);
  height: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  color: rgba(16, 32, 51, 0.78);
  font-size: 0.93rem;
  font-weight: 700;
}

.main-nav a {
  position: relative;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--teal);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.header-cta,
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--navy) 0%, #123b60 52%, var(--teal-dark) 100%);
  box-shadow: 0 16px 34px rgba(0, 143, 134, 0.24);
}

.header-cta {
  min-height: 42px;
  padding: 0 18px;
  font-size: 0.9rem;
}

.btn-secondary {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
}

.btn-light {
  color: var(--navy);
  background: white;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.16);
}

.btn:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: white;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--navy);
}

.section-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 56px;
  min-height: 100vh;
  padding: 150px 0 90px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-kicker::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
  box-shadow: 0 0 0 7px rgba(0, 184, 169, 0.12);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--navy);
  font-family: "Space Grotesk", sans-serif;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.8rem, 4.72vw, 4.45rem);
}

h2 {
  font-size: clamp(2.2rem, 4.4vw, 4.55rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: -0.035em;
}

.hero-lead {
  max-width: 680px;
  margin: 26px 0 0;
  color: #35475f;
  font-size: clamp(1.06rem, 1.4vw, 1.32rem);
}

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

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-trust span {
  padding: 9px 13px;
  border: 1px solid rgba(0, 184, 169, 0.2);
  border-radius: 999px;
  color: var(--navy-soft);
  background: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  font-weight: 800;
}

.hero-visual {
  position: relative;
}

.hero-visual::before,
.hero-visual::after {
  position: absolute;
  border-radius: 999px;
  content: "";
  filter: blur(2px);
}

.hero-visual::before {
  top: -52px;
  right: 12px;
  width: 170px;
  height: 170px;
  background: rgba(0, 184, 169, 0.22);
}

.hero-visual::after {
  bottom: -48px;
  left: -26px;
  width: 240px;
  height: 240px;
  background: rgba(8, 26, 47, 0.1);
}

.ambient-card {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 38px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(232, 251, 248, 0.86)),
    radial-gradient(circle at 90% 0%, rgba(0, 184, 169, 0.22), transparent 18rem);
  box-shadow: var(--shadow);
}

.score-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.score-head span {
  display: block;
  color: var(--muted);
  font-weight: 800;
}

.score-head strong {
  display: block;
  margin-top: 4px;
  color: var(--navy);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: 0.88;
  letter-spacing: -0.06em;
}

.score-orb {
  --score-angle: 0deg;
  display: grid;
  place-items: center;
  width: 98px;
  height: 98px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.9) 0 55%, transparent 56%),
    conic-gradient(var(--teal) var(--score-angle), rgba(0, 184, 169, 0.18) 0);
  color: var(--teal-dark);
  font-weight: 900;
  transition: --score-angle 0.2s linear;
}

.metric-list {
  display: grid;
  gap: 12px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.metric-row span {
  color: var(--muted);
  font-weight: 700;
}

.metric-row strong {
  color: var(--teal-dark);
  text-align: right;
}

.metric-row.warn strong {
  color: #c57322;
}

.metric-row.mid strong {
  color: #3f6e96;
}

.mini-chart {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 120px;
  margin-top: 26px;
  padding: 18px;
  border-radius: 22px;
  background: var(--navy);
}

.mini-chart span {
  flex: 1;
  min-width: 18px;
  border-radius: 999px 999px 5px 5px;
  background: linear-gradient(180deg, var(--teal), #d9fff8);
  opacity: 0.95;
}

.intro,
.process,
.measure,
.devices,
.difference,
.audiences,
.report,
.why,
.contact {
  padding: 75px 0 86px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.split p,
.section-heading p,
.report-copy p,
.why-card p,
.cta p,
.contact-copy p {
  margin: 0;
  color: #475569;
  font-size: 1.05rem;
}

.report-copy h2 {
  font-size: clamp(2.2rem, 3.8vw, 3.9rem);
  margin-bottom: 22px;
}

.intro h2 {
  font-size: clamp(2rem, 3.6vw, 3.65rem);
}

.section-heading .eyebrow,
.why-card .eyebrow,
.cta .eyebrow,
.contact-copy .eyebrow {
  margin-bottom: 24px;
}

.section-heading {
  max-width: 800px;
  margin-bottom: 34px;
}

.section-heading.centered {
  max-width: 860px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading.centered .eyebrow {
  justify-content: center;
}

.section-heading h2 {
  margin-bottom: 20px;
}

.steps-grid,
.device-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.step-card,
.device-card,
.audience-card,
.measure-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 50px rgba(8, 26, 47, 0.06);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.step-card:hover,
.device-card:hover,
.audience-card:hover,
.measure-card:hover {
  border-color: rgba(0, 184, 169, 0.34);
  box-shadow: 0 24px 70px rgba(8, 26, 47, 0.1);
  transform: translateY(-5px);
}

.step-card {
  min-height: 280px;
  padding: 26px;
}

.step-card span {
  display: inline-flex;
  margin-bottom: 15px;
  color: rgba(0, 184, 169, 0.9);
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.7rem;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.step-card p,
.device-card p,
.audience-card p {
  margin: 16px 0 0;
  color: var(--muted);
}

.measure-grid {
  display: grid;
  grid-auto-flow: dense;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.measure-card {
  display: grid;
  grid-column: span 3;
  grid-template-rows: auto auto 1fr;
  gap: 12px;
  min-height: 164px;
  padding: 20px;
  color: var(--navy);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(244, 250, 251, 0.78)),
    radial-gradient(circle at 88% 12%, rgba(0, 184, 169, 0.14), transparent 9rem);
}

.measure-card-wide {
  grid-column: span 6;
}

.measure-card-tall {
  grid-column: span 3;
  grid-row: span 2;
}

.measure-icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  color: var(--teal-dark);
  background: rgba(0, 184, 169, 0.1);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.measure-icon svg,
.device-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.measure-icon .temperature-icon {
  width: 29px;
  height: 29px;
  transform: translateX(1px);
}

.measure-card small {
  align-self: start;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.measure-card h3 {
  align-self: end;
  max-width: 90%;
  font-size: clamp(1.12rem, 1.5vw, 1.45rem);
  line-height: 1.08;
}

.devices {
  border-radius: 46px;
  background:
    radial-gradient(circle at 0% 0%, rgba(0, 184, 169, 0.18), transparent 28rem),
    linear-gradient(135deg, #eef8f8, #ffffff);
  padding-right: clamp(18px, 4vw, 52px);
  padding-left: clamp(18px, 4vw, 52px);
}

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

.device-card {
  padding: 26px;
}

.device-icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin-bottom: 28px;
  border-radius: 20px;
  color: white;
  background: linear-gradient(135deg, var(--navy), var(--teal-dark));
  font-family: "Space Grotesk", sans-serif;
  font-weight: 800;
}

.device-icon svg {
  width: 30px;
  height: 30px;
}

.slider-controls {
  display: none;
}

.difference-panel {
  padding: clamp(24px, 5vw, 58px);
  border-radius: 42px;
  color: white;
  background:
    radial-gradient(circle at 95% 12%, rgba(0, 184, 169, 0.35), transparent 24rem),
    linear-gradient(135deg, #071727 0%, #0c2744 62%, #0c514f 100%);
  box-shadow: var(--shadow);
}

.difference-panel h2,
.difference-panel h3,
.difference-panel .eyebrow {
  color: white;
}

.difference-panel p {
  color: rgba(255, 255, 255, 0.76);
}

.large-copy {
  margin-top: 24px !important;
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 1.2rem !important;
}

.contrast-callout {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 34px 0;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
}

.contrast-callout strong {
  color: white;
}

.contrast-callout span {
  color: #bffff6;
  font-weight: 800;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.compare-card {
  padding: 26px;
  border-radius: 28px;
}

.compare-card.muted {
  background: rgba(255, 255, 255, 0.09);
}

.compare-card.accent {
  background: rgba(0, 184, 169, 0.17);
  border: 1px solid rgba(125, 255, 241, 0.25);
}

.compare-card ul,
.findings {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.compare-card li,
.findings li {
  position: relative;
  padding-left: 24px;
}

.compare-card li {
  color: rgba(255, 255, 255, 0.78);
}

.compare-card li::before,
.findings li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
}

.statement {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: white;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.55rem, 3vw, 3rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.inspector-note {
  max-width: 760px;
  margin: 18px 0 0 !important;
  font-weight: 700;
}

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

.audience-card {
  isolation: isolate;
  min-height: 210px;
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(248, 252, 252, 0.86)),
    radial-gradient(circle at 100% 0%, rgba(0, 184, 169, 0.13), transparent 11rem);
}

.audience-card::after {
  position: absolute;
  right: -52px;
  bottom: -62px;
  z-index: -1;
  width: 150px;
  height: 150px;
  border: 24px solid rgba(0, 184, 169, 0.08);
  border-radius: 50%;
  content: "";
}

.audience-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 34px;
  border: 1px solid rgba(0, 184, 169, 0.24);
  border-radius: 999px;
  color: var(--teal-dark);
  background: rgba(231, 251, 248, 0.78);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.report {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  align-items: center;
  gap: 56px;
}

.report-card {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 36px;
  background: white;
  box-shadow: var(--shadow);
}

.report-top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.report-top span {
  color: var(--muted);
  font-weight: 800;
}

.report-top strong {
  color: var(--navy);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 0.88;
  letter-spacing: -0.06em;
}

.score-bars {
  display: grid;
  gap: 14px;
}

.score-bars div {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  align-items: center;
  gap: 12px;
}

.score-bars span,
.score-bars strong {
  font-size: 0.92rem;
  font-weight: 800;
}

progress {
  width: 100%;
  height: 10px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: #e5edf3;
}

progress::-webkit-progress-bar {
  border-radius: 999px;
  background: #e5edf3;
}

progress::-webkit-progress-value {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--navy-soft));
}

progress::-moz-progress-bar {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--navy-soft));
}

.findings {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.why-card {
  padding: clamp(28px, 5vw, 58px);
  border-radius: 40px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72)),
    radial-gradient(circle at 88% 12%, rgba(0, 184, 169, 0.16), transparent 22rem);
  box-shadow: 0 18px 70px rgba(8, 26, 47, 0.08);
}

.why-card h2 {
  max-width: 860px;
  margin-bottom: 30px;
}

.why-card p {
  max-width: 900px;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(30px, 5vw, 58px);
  border-radius: 40px;
  color: white;
  background:
    radial-gradient(circle at 6% 0%, rgba(255, 255, 255, 0.18), transparent 20rem),
    linear-gradient(135deg, var(--teal-dark), var(--navy) 68%);
  box-shadow: var(--shadow);
}

.cta h2,
.cta .eyebrow {
  color: white;
}

.cta h2 {
  margin-bottom: 24px;
}

.cta p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
}

.cta-button {
  min-width: 156px;
  white-space: nowrap;
  color: white;
  background: linear-gradient(135deg, var(--navy) 0%, #123b60 52%, var(--teal-dark) 100%);
  border: 0;
  box-shadow: 0 16px 34px rgba(0, 143, 134, 0.24);
}

.cta-button:hover {
  box-shadow: 0 20px 44px rgba(0, 143, 134, 0.3);
}

.contact-copy h2 {
  margin-bottom: 24px;
}

.service-area {
  margin-top: 16px !important;
  color: var(--navy-soft) !important;
  font-weight: 800;
}

.phone-link {
  display: inline-flex;
  width: fit-content;
  padding: 13px 16px;
  border: 1px solid rgba(0, 184, 169, 0.2);
  border-radius: 999px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.74);
  font-weight: 900;
  box-shadow: 0 12px 34px rgba(8, 26, 47, 0.08);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  gap: 56px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 34px;
  background: white;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 800;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #dce5ec;
  border-radius: 16px;
  padding: 14px 15px;
  color: var(--ink);
  background: #f9fbfc;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(0, 184, 169, 0.75);
  background: white;
  box-shadow: 0 0 0 4px rgba(0, 184, 169, 0.12);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(calc(100% - 32px), var(--max));
  margin: 20px auto 0;
  padding: 36px 0 44px;
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: 164px;
  height: auto;
  object-fit: contain;
}

.site-footer p {
  margin: 12px 0 0;
  color: var(--muted);
}

.site-footer .copyright {
  margin-top: 6px;
  font-size: 0.88rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  color: var(--navy);
  font-weight: 800;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal-dark);
}

.social-link svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.social-link:hover {
  color: var(--teal);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 1060px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav.is-open {
    position: fixed;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 24px 70px rgba(8, 26, 47, 0.16);
  }

  .main-nav.is-open a {
    padding: 14px 16px;
    border-radius: 16px;
  }

  .main-nav.is-open a:hover {
    background: var(--mist);
  }

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

  .hero,
  .split,
  .report,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 44px;
    min-height: auto;
  }

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

  .measure-card,
  .measure-card-wide,
  .measure-card-tall {
    grid-column: span 1;
    grid-row: auto;
  }
}

@media (max-width: 780px) {
  .site-header {
    top: 10px;
    width: min(calc(100% - 20px), var(--max));
    padding-left: 14px;
  }

  .section-shell {
    width: min(calc(100% - 24px), var(--max));
  }

  .hero {
    padding-top: 126px;
    padding-bottom: 58px;
  }

  .intro,
  .process,
  .measure,
  .devices,
  .difference,
  .audiences,
  .report,
  .why,
  .contact {
    padding: 58px 0;
  }

  .steps-grid,
  .measure-grid,
  .device-grid,
  .audience-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .measure,
  .devices {
    overflow: hidden;
  }

  .devices {
    width: min(calc(100% - 24px), var(--max));
    padding: 46px 20px 30px;
    border-radius: 34px;
  }

  .measure-grid,
  .device-grid {
    display: flex;
    grid-template-columns: none;
    gap: 14px;
    overflow-x: auto;
    margin-right: -24px;
    margin-left: 0;
    padding: 0 24px 14px 0;
    scroll-padding-left: 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
    overscroll-behavior-y: auto;
    touch-action: pan-x;
    -webkit-overflow-scrolling: touch;
  }

  .measure-grid::-webkit-scrollbar,
  .device-grid::-webkit-scrollbar {
    display: none;
  }

  .measure-card,
  .measure-card-wide,
  .measure-card-tall {
    flex: 0 0 min(78vw, 320px);
    scroll-snap-align: start;
  }

  .device-card {
    flex: 0 0 min(72vw, 292px);
    scroll-snap-align: start;
  }

  .device-card {
    min-height: 252px;
  }

  .slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 2px;
    padding: 10px 8px 0;
  }

  .slider-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(0, 184, 169, 0.2);
    border-radius: 50%;
    color: var(--teal-dark);
    background: white;
    box-shadow: 0 14px 34px rgba(8, 26, 47, 0.1);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  }

  .slider-arrow svg {
    display: block;
    width: 25px;
    height: 25px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 3.2;
    transform: translateX(0);
  }

  .slider-arrow:hover {
    color: white;
    background: linear-gradient(135deg, var(--teal), var(--teal-dark));
    box-shadow: 0 14px 30px rgba(0, 143, 134, 0.2);
    transform: translateY(-2px);
  }

  .slider-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 158px;
    gap: 6px;
  }

  .slider-dot {
    width: 7px;
    height: 7px;
    border: 0;
    border-radius: 999px;
    background: rgba(0, 184, 169, 0.24);
    padding: 0;
    transition: width 0.22s ease, background 0.22s ease, opacity 0.22s ease;
  }

  .slider-dot.is-active {
    width: 22px;
    background: linear-gradient(90deg, var(--teal), var(--teal-dark));
  }

  .step-card {
    min-height: auto;
  }

  .step-card span {
    margin-bottom: 15px;
  }

  .score-head,
  .report-top,
  .cta,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .score-bars div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .contact,
  .report {
    gap: 30px;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: clamp(3rem, 16vw, 4.2rem);
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .ambient-card,
  .report-card,
  .difference-panel,
  .why-card,
  .cta,
  .contact-form {
    border-radius: 26px;
  }

  .metric-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .metric-row strong {
    text-align: left;
  }
}