:root {
  --navy: #071a33;
  --navy-soft: #102d4d;
  --blue: #0879d9;
  --blue-deep: #0267bd;
  --green: #38c744;
  --green-deep: #21ab32;
  --ink: #0b1c31;
  --muted: #5e6d7d;
  --line: #dfe7ed;
  --surface: #f3f7f9;
  --white: #ffffff;
  --radius-sm: 12px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --shadow: 0 24px 70px rgba(20, 52, 81, 0.12);
  --container: 1240px;
  --header-height: 88px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--white);
  font-family: 'Manrope', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button {
  color: inherit;
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.045em;
  line-height: 1.05;
}

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(42px, 4.3vw, 64px);
  font-weight: 800;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 800;
}

h3 {
  font-size: 24px;
  font-weight: 750;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: transform 0.35s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-color: rgba(11, 28, 49, 0.08);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(6, 35, 63, 0.06);
  backdrop-filter: blur(18px);
}

.site-header.is-hidden {
  transform: translateY(-110%);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  gap: 34px;
}

.brand {
  display: inline-flex;
  width: 206px;
  height: 52px;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
}

.brand-mark {
  display: block;
  width: 72px;
  height: 42px;
  overflow: hidden;
  flex: 0 0 auto;
}

.brand-mark img {
  width: 94px;
  max-width: none;
  height: auto;
  transform: translateX(-10px);
}

.brand-name {
  display: flex;
  flex-direction: column;
  color: var(--navy);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-name small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.desktop-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 28px;
}

.desktop-nav a {
  position: relative;
  font-size: 13px;
  font-weight: 700;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  content: '';
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

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

.button {
  display: inline-flex;
  min-height: 58px;
  padding: 14px 24px;
  border: 1px solid var(--blue);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  gap: 20px;
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 12px 28px rgba(8, 121, 217, 0.19);
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.25;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button:hover {
  background: var(--blue-deep);
  box-shadow: 0 15px 32px rgba(8, 121, 217, 0.27);
  transform: translateY(-2px);
}

.button:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(56, 199, 68, 0.35);
  outline-offset: 3px;
}

.button svg {
  width: 19px;
  flex: 0 0 auto;
}

.button--small {
  min-height: 46px;
  padding: 11px 17px;
  border-radius: 10px;
  gap: 0;
  font-size: 12px;
}

.button--small svg {
  display: none;
}

.button--outline {
  color: var(--blue);
  background: transparent;
  box-shadow: none;
}

.button--outline:hover {
  color: var(--white);
  background: var(--blue);
}

.button--light {
  border-color: var(--white);
  color: var(--ink);
  background: var(--white);
  box-shadow: none;
}

.button--light:hover {
  color: var(--white);
  background: var(--blue);
}

.button--green {
  border-color: var(--green);
  background: var(--green);
  box-shadow: 0 14px 30px rgba(56, 199, 68, 0.18);
}

.button--green:hover {
  background: var(--green-deep);
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
  background: transparent;
  box-shadow: none;
}

.button--ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.button--wide {
  width: 100%;
}

.menu-button,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 900px;
  padding: calc(var(--header-height) + 62px) 0 80px;
  overflow: hidden;
  background:
    radial-gradient(circle at 19% 18%, rgba(56, 199, 68, 0.08), transparent 25%),
    linear-gradient(120deg, #f7fafb 0%, #ffffff 55%, #f0f7fb 100%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 690px;
  grid-template-columns: 1.03fr 0.97fr;
  align-items: center;
  gap: 46px;
}

.hero-copy,
.hero-visual,
.section-head > *,
.why-grid > *,
.final-grid > *,
.qualification-shell > * {
  min-width: 0;
}

.eyebrow,
.section-index {
  display: inline-flex;
  margin-bottom: 24px;
  align-items: center;
  gap: 12px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 30px;
  height: 2px;
  background: var(--green);
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 17px;
}

.audience-switch {
  display: flex;
  max-width: 570px;
  margin-bottom: 24px;
  padding: 7px 8px 7px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(255, 255, 255, 0.72);
}

.audience-switch > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.switch-buttons {
  display: flex;
  min-width: 0;
  padding: 3px;
  border-radius: 10px;
  background: #eaf0f4;
}

.switch-buttons button {
  min-width: 0;
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 11px;
  font-weight: 750;
}

.switch-buttons button.is-active {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 8px 16px rgba(8, 121, 217, 0.2);
}

.hero-benefits,
.why-list {
  display: grid;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.hero-benefits {
  max-width: 670px;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
}

.hero-benefits li {
  display: flex;
  min-height: 80px;
  padding: 15px;
  border: 1px solid rgba(8, 121, 217, 0.1);
  border-radius: 13px;
  align-items: flex-start;
  gap: 10px;
  background: rgba(255, 255, 255, 0.65);
  font-size: 11px;
  font-weight: 650;
  line-height: 1.5;
}

.hero-benefits svg,
.why-list svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--green);
}

body[data-page='ventilation'] .hero-benefits li {
  font-size: 14px;
  line-height: 1.55;
}

body[data-page='ventilation'] .hero-lead {
  font-size: 18px;
}

body[data-page='ventilation'] .hero-note {
  font-size: 13px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-copy .button-row .button {
  max-width: 275px;
}

.hero-note {
  max-width: 660px;
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.hero-visual {
  position: relative;
  align-self: stretch;
}

.hero-image-wrap {
  position: absolute;
  top: 0;
  right: max(calc((100vw - var(--container)) / -2), -80px);
  bottom: 0;
  left: 0;
  min-height: 650px;
  overflow: hidden;
  border-radius: 90px 0 0 280px;
  box-shadow: var(--shadow);
}

.hero-image-wrap::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 26, 51, 0.16), transparent 32%, rgba(7, 26, 51, 0.08));
  content: '';
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 51% center;
}

body[data-page='conditioning'] .hero-image-wrap img,
body[data-page='heating'] .hero-image-wrap img {
  object-position: 70% center;
}

.hero-proof {
  position: absolute;
  z-index: 4;
  right: -12px;
  bottom: 26px;
  display: flex;
  width: 255px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 17px;
  align-items: center;
  gap: 13px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 24px 50px rgba(7, 26, 51, 0.18);
  backdrop-filter: blur(12px);
}

.hero-proof p {
  margin: 0;
  font-size: 11px;
  font-weight: 750;
  line-height: 1.4;
}

.proof-icon {
  display: grid;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  flex: 0 0 auto;
  color: var(--white);
  background: var(--green);
  place-items: center;
}

.proof-icon svg {
  width: 23px;
}

.hero-orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(8, 121, 217, 0.12);
  border-radius: 50%;
}

.hero-orbit--one {
  width: 780px;
  height: 780px;
  top: -310px;
  right: 24%;
}

.hero-orbit--two {
  width: 520px;
  height: 520px;
  right: 36%;
  bottom: -360px;
  border-color: rgba(56, 199, 68, 0.14);
}

.section {
  padding: 120px 0;
}

.section-head {
  display: grid;
  margin-bottom: 54px;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: end;
  gap: 70px;
}

.section-head h2 {
  max-width: 720px;
  margin-bottom: 0;
}

.section-head > p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 16px;
}

.section-head--compact {
  grid-template-columns: 1fr auto;
}

.section-head--solo {
  grid-template-columns: 1fr;
}

.section-head--solo h2 {
  max-width: 920px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.solution-card {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--navy);
}

.solution-card > img,
.solution-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.solution-card > img {
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.solution-card:hover > img {
  transform: scale(1.035);
}

.solution-overlay {
  background: linear-gradient(180deg, rgba(7, 26, 51, 0.04) 15%, rgba(7, 26, 51, 0.25) 48%, rgba(7, 26, 51, 0.96) 100%);
}

.solution-content {
  position: relative;
  z-index: 2;
  display: flex;
  height: 100%;
  min-height: 610px;
  padding: 30px;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--white);
}

.card-number {
  display: grid;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  place-items: center;
  font-size: 11px;
  font-weight: 800;
}

.solution-content h3 {
  margin-bottom: 13px;
  font-size: 32px;
}

.solution-content p {
  max-width: 490px;
  margin-bottom: 23px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.result {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 12% 15%, rgba(8, 121, 217, 0.24), transparent 30%),
    var(--navy);
}

.result-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 72px;
}

.section-index--light {
  color: #80c7ff;
}

.result-copy h2 {
  max-width: 630px;
}

.result-lead {
  max-width: 600px;
  margin-bottom: 34px;
}

.result-lead > span {
  display: block;
  width: 42px;
  height: 3px;
  margin-bottom: 24px;
  border-radius: 99px;
  background: var(--green);
}

.result-lead-primary {
  max-width: 570px;
  margin-bottom: 20px;
  color: var(--white);
  font-size: clamp(24px, 2.15vw, 32px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.035em;
}

.result-lead-secondary {
  max-width: 520px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 15px;
  line-height: 1.72;
}

.result-showcase {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 26px;
  background: var(--navy-soft);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
}

.result-showcase > img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: 42% center;
}

.result-list {
  padding: 8px 28px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--navy-soft);
}

.result-list article {
  display: grid;
  padding: 23px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  grid-template-columns: 48px 1fr;
  gap: 14px;
}

.result-list article > span {
  color: #80c7ff;
  font-size: 11px;
  font-weight: 800;
}

.result-list h3 {
  margin-bottom: 6px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.result-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 12px;
}

.process {
  background: var(--surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.process-card {
  min-height: 292px;
  padding: 26px;
  border: 1px solid #dce6ec;
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.process-card:hover {
  background: var(--white);
  box-shadow: 0 20px 40px rgba(30, 63, 90, 0.09);
  transform: translateY(-5px);
}

.process-top {
  display: flex;
  margin-bottom: 52px;
  align-items: flex-start;
  justify-content: space-between;
}

.process-number {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.process-icon {
  display: grid;
  width: 58px;
  height: 58px;
  border-radius: 15px;
  background: #eaf5fc;
  place-items: center;
}

.process-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.process-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.process-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.why-us {
  overflow: hidden;
}

.why-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 90px;
}

.why-grid--single {
  grid-template-columns: minmax(0, 900px);
  justify-content: center;
}

.why-grid--single .why-copy {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: start;
  column-gap: 70px;
}

.why-grid--single .why-copy h2,
.why-grid--single .why-lead,
.why-grid--single .why-copy > .button {
  grid-column: 1;
}

.why-grid--single .why-list {
  grid-column: 2;
  grid-row: 1 / span 3;
  margin-bottom: 0;
}

.why-lead {
  margin-bottom: 30px;
  color: var(--muted);
}

.why-list {
  gap: 0;
}

.why-list li {
  display: flex;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
  gap: 14px;
  font-size: 13px;
  font-weight: 650;
}

.cases {
  position: relative;
  min-height: 580px;
}

.case-card {
  position: absolute;
  width: min(440px, 80%);
  min-height: 255px;
  padding: 35px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.case-card--1 {
  z-index: 2;
  top: 10px;
  left: 0;
  color: var(--white);
  background: var(--blue);
  transform: rotate(-2deg);
}

.case-card--2 {
  z-index: 3;
  right: 0;
  bottom: 30px;
  background: var(--white);
  transform: rotate(2.5deg);
}

.case-label {
  display: flex;
  margin-bottom: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.case-label span {
  font-size: 11px;
  opacity: 0.7;
}

.case-label strong {
  font-size: 14px;
}

.case-card p {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.45;
}

.case-card--1 p {
  color: rgba(255, 255, 255, 0.87);
}

.case-mark {
  position: absolute;
  right: -115px;
  bottom: 30px;
  display: flex;
  gap: 9px;
  transform: rotate(-30deg);
}

.case-mark span {
  display: block;
  width: 25px;
  height: 210px;
  border-radius: 99px;
  background: rgba(56, 199, 68, 0.14);
}

.qualification {
  background: var(--surface);
}

.qualification-shell {
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  grid-template-columns: 0.8fr 1.2fr;
  background: var(--white);
  box-shadow: 0 28px 70px rgba(16, 48, 77, 0.09);
}

.qualification-photo {
  position: relative;
  min-height: 820px;
  overflow: hidden;
}

.qualification-photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7, 26, 51, 0.75));
  content: '';
}

.qualification-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 29% center;
}

body[data-page='conditioning'] .qualification-photo,
body[data-page='heating'] .qualification-photo {
  isolation: isolate;
  background: #dbe5e9;
}

body[data-page='conditioning'] .qualification-photo::before {
  position: absolute;
  z-index: 0;
  inset: -28px;
  background: url('../public/assets/conditioning/form.png') center / cover no-repeat;
  content: '';
  filter: blur(20px);
  opacity: 0.42;
  transform: scale(1.08);
}

body[data-page='heating'] .qualification-photo::before {
  position: absolute;
  z-index: 0;
  inset: -28px;
  background: url('../public/assets/heating/form.png') center / cover no-repeat;
  content: '';
  filter: blur(20px);
  opacity: 0.42;
  transform: scale(1.08);
}

body[data-page='conditioning'] .qualification-photo::after,
body[data-page='heating'] .qualification-photo::after {
  z-index: 2;
}

body[data-page='conditioning'] .qualification-photo img,
body[data-page='heating'] .qualification-photo img {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 48%;
  width: 150%;
  max-width: none;
  height: auto;
  object-fit: initial;
  transform: translate(-50%, -50%);
}

body[data-page='conditioning'] .qualification-caption,
body[data-page='heating'] .qualification-caption {
  z-index: 3;
}

.qualification-caption {
  position: absolute;
  z-index: 2;
  right: 30px;
  bottom: 30px;
  left: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
}

.qualification-content {
  padding: 60px;
}

.qualification-content > p {
  max-width: 640px;
  margin-bottom: 34px;
  color: var(--muted);
}

.lead-form {
  width: 100%;
}

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

.field {
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  flex-direction: column;
  gap: 8px;
}

.field--wide {
  grid-column: 1 / -1;
}

.field > span,
.field legend {
  padding: 0;
  color: var(--ink);
  font-size: 11px;
  font-weight: 750;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 52px;
  padding: 13px 15px;
  border: 1px solid #dce5eb;
  border-radius: 10px;
  color: var(--ink);
  background: #fbfcfd;
  font-size: 13px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.field textarea {
  min-height: 90px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  outline: none;
}

.choice-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.choice-row label {
  cursor: pointer;
}

.choice-row input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.choice-row span {
  display: flex;
  min-height: 52px;
  padding: 12px 15px;
  border: 1px solid #dce5eb;
  border-radius: 10px;
  align-items: center;
  background: #fbfcfd;
  font-size: 12px;
  font-weight: 650;
}

.choice-row input:checked + span {
  border-color: var(--blue);
  color: var(--blue);
  background: #edf7ff;
}

.choice-row input:focus-visible + span {
  outline: 3px solid rgba(56, 199, 68, 0.35);
  outline-offset: 3px;
}

.form-actions {
  display: grid;
  margin-top: 24px;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.form-actions .button {
  padding-inline: 16px;
  gap: 12px;
  font-size: 12px;
}

.form-status {
  min-height: 20px;
  margin: 14px 0 0;
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 750;
}

.form-status.is-error {
  color: #b42318;
}

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

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

.button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-notice {
  grid-column: 1 / -1;
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--green);
  border-radius: 0 10px 10px 0;
  color: var(--navy-soft);
  background: #eef8f0;
  font-size: 11px;
  line-height: 1.55;
}

.final-offer {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(125deg, #0b67b5 0%, #0585db 55%, #0aa8bf 100%);
}

.final-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  align-items: end;
  gap: 90px;
}

.final-grid h2 {
  max-width: 760px;
  margin-bottom: 0;
}

.final-copy > p {
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.8);
}

.final-copy small {
  display: block;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 10px;
}

.final-orbit {
  position: absolute;
  width: 630px;
  height: 630px;
  right: -170px;
  bottom: -430px;
  border: 80px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
}

.site-footer {
  padding: 30px 0;
  color: rgba(255, 255, 255, 0.65);
  background: var(--navy);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand--footer {
  opacity: 0.85;
}

.brand--footer .brand-name,
.brand--footer .brand-name small {
  color: var(--white);
}

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

.footer-link {
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  color: var(--white);
  background: none;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.modal {
  width: min(760px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 0;
  border-radius: 24px;
  overflow: auto;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 30px 100px rgba(3, 20, 38, 0.35);
}

.modal::backdrop {
  background: rgba(4, 18, 33, 0.72);
  backdrop-filter: blur(8px);
}

.modal-shell {
  position: relative;
  display: grid;
  padding: 48px;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 42px;
}

.modal-close {
  position: absolute;
  z-index: 2;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
}

.modal-close span {
  position: absolute;
  top: 18px;
  left: 11px;
  width: 15px;
  height: 1px;
  background: var(--ink);
  transform: rotate(45deg);
}

.modal-close span:last-child {
  transform: rotate(-45deg);
}

.modal-copy h2 {
  font-size: 32px;
}

.modal-copy p {
  color: var(--muted);
  font-size: 13px;
}

.modal-form .form-grid {
  grid-template-columns: 1fr;
}

.modal-form .field--wide {
  grid-column: auto;
}

.modal-form .button--wide {
  margin-top: 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.2, 0.75, 0.25, 1);
}

.reveal--delay {
  transition-delay: 0.12s;
}

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

.mobile-only {
  display: none;
}

@media (max-width: 1120px) {
  :root {
    --container: 1000px;
  }

  .desktop-nav {
    gap: 16px;
  }

  .desktop-nav a {
    font-size: 11px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 820px;
  }

  .hero-grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 26px;
  }

  .hero-benefits {
    grid-template-columns: 1fr;
  }

  .hero-benefits li {
    min-height: auto;
    padding: 9px 11px;
  }

  .why-grid {
    gap: 45px;
  }

  .qualification-content {
    padding: 44px;
  }

  .qualification-shell {
    grid-template-columns: 0.7fr 1.3fr;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 72px;
  }

  .container {
    width: min(calc(100% - 40px), 720px);
  }

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

  .brand {
    width: 190px;
    height: 46px;
  }

  .brand-mark {
    width: 64px;
    height: 38px;
  }

  .brand-mark img {
    width: 84px;
    transform: translateX(-9px);
  }

  .brand-name {
    font-size: 15px;
  }

  .menu-button {
    position: relative;
    display: block;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.8);
    cursor: pointer;
  }

  .menu-button span {
    position: absolute;
    left: 11px;
    width: 20px;
    height: 2px;
    background: var(--ink);
    transition: transform 0.2s ease, top 0.2s ease;
  }

  .menu-button span:first-child {
    top: 17px;
  }

  .menu-button span:last-child {
    top: 24px;
  }

  .menu-open .menu-button span:first-child {
    top: 21px;
    transform: rotate(45deg);
  }

  .menu-open .menu-button span:last-child {
    top: 21px;
    transform: rotate(-45deg);
  }

  .mobile-nav {
    position: fixed;
    z-index: -1;
    inset: 0;
    display: flex;
    padding: 110px 20px 30px;
    flex-direction: column;
    justify-content: space-between;
    background: var(--white);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .menu-open .mobile-nav {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .mobile-nav nav {
    display: flex;
    flex-direction: column;
  }

  .mobile-nav nav a {
    padding: 19px 0;
    border-bottom: 1px solid var(--line);
    font-size: 25px;
    font-weight: 750;
    letter-spacing: -0.04em;
  }

  .mobile-nav .button {
    width: 100%;
  }

  .hero {
    min-height: 0;
    padding-top: 116px;
  }

  .hero-grid {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-visual {
    min-height: 560px;
  }

  .hero-image-wrap {
    right: -20px;
    min-height: 560px;
    border-radius: 45px 0 0 180px;
  }

  .hero-proof {
    right: 0;
  }

  .section {
    padding: 90px 0;
  }

  .section-head,
  .why-grid,
  .final-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .solution-card,
  .solution-content {
    min-height: 560px;
  }

  .result-layout {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .result-showcase > img {
    height: 430px;
    object-position: 38% center;
  }

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

  .why-grid {
    gap: 65px;
  }

  .why-grid--single .why-copy {
    display: block;
  }

  .qualification-shell {
    grid-template-columns: 1fr;
  }

  .qualification-photo {
    min-height: 440px;
  }

  body[data-page='conditioning'] .qualification-photo::before,
  body[data-page='heating'] .qualification-photo::before {
    opacity: 0;
  }

  body[data-page='conditioning'] .qualification-photo img,
  body[data-page='heating'] .qualification-photo img {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% center;
    transform: none;
  }

  .qualification-content {
    padding: 50px;
  }

  .final-grid {
    align-items: start;
    gap: 30px;
  }

  .modal-shell {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 32px), 520px);
  }

  h1 {
    margin-bottom: 20px;
    font-size: clamp(36px, 9.8vw, 46px);
  }

  h2 {
    font-size: clamp(32px, 9.3vw, 44px);
  }

  .eyebrow,
  .section-index {
    margin-bottom: 18px;
    font-size: 9px;
  }

  .eyebrow {
    display: flex;
    max-width: 100%;
    align-items: flex-start;
    line-height: 1.55;
  }

  .eyebrow span {
    margin-top: 6px;
    flex: 0 0 30px;
  }

  .hero {
    padding-bottom: 60px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .audience-switch {
    padding: 12px;
    align-items: stretch;
    flex-direction: column;
  }

  .switch-buttons {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .switch-buttons button {
    padding-inline: 7px;
    white-space: normal;
  }

  .hero-benefits {
    gap: 8px;
  }

  .hero-copy .button-row .button,
  .button-row .button {
    width: 100%;
    max-width: none;
  }

  .hero-visual {
    min-height: 470px;
  }

  .hero-image-wrap {
    right: -16px;
    left: -16px;
    min-height: 470px;
    border-radius: 22px;
  }

  .hero-image-wrap img {
    object-position: 54% center;
  }

  .hero-proof {
    right: 8px;
    bottom: 12px;
    width: 225px;
  }

  .section {
    padding: 76px 0;
  }

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

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

  .solution-card,
  .solution-content {
    min-height: 530px;
  }

  .solution-content {
    padding: 22px;
  }

  .solution-content h3 {
    font-size: 28px;
  }

  .result {
    min-height: 0;
  }

  .result-layout {
    min-height: 0;
  }

  .result-showcase > img {
    height: 320px;
    object-position: 38% center;
  }

  .result-list {
    padding: 6px 20px 14px;
  }

  .result-list article {
    grid-template-columns: 38px 1fr;
  }

  .process-grid {
    display: flex;
    margin-right: calc((100vw - 100%) / -2);
    padding-right: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }

  .process-card {
    min-width: 82vw;
    scroll-snap-align: start;
  }

  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block;
  }

  .process-mobile-cta {
    margin-top: 28px;
  }

  .process-mobile-cta .button {
    width: 100%;
  }

  .why-grid {
    gap: 45px;
  }

  .cases {
    min-height: 540px;
  }

  .case-card {
    width: 92%;
    padding: 25px;
  }

  .case-card--2 {
    bottom: 20px;
  }

  .case-label {
    margin-bottom: 45px;
  }

  .case-card p {
    font-size: 16px;
  }

  .qualification {
    padding: 0;
    background: var(--white);
  }

  .qualification-shell {
    width: 100%;
    border-radius: 0;
    box-shadow: none;
  }

  .qualification-photo {
    min-height: 380px;
  }

  .qualification-content {
    padding: 56px 16px 76px;
  }

  .form-grid,
  .form-actions {
    grid-template-columns: 1fr;
  }

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

  .field--wide {
    grid-column: auto;
  }

  .final-offer {
    padding: 80px 0;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .modal {
    width: 100%;
    max-height: calc(100dvh - 14px);
    margin: auto 0 0;
    border-radius: 24px 24px 0 0;
  }

  .modal-shell {
    padding: 46px 20px 28px;
  }

  .modal-copy h2 {
    padding-right: 25px;
    font-size: 28px;
  }
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}