:root {
  --brand-primary: #d82424;
  --brand-secondary: #f6a51a;
  --brand-accent: #1f7a4a;
  --brand-bg: #fff8ed;
  --brand-text: #17212b;
  --surface: #ffffff;
  --surface-soft: #f7f9fb;
  --line: rgba(23, 33, 43, 0.12);
  --muted: #627084;
  --shadow: 0 18px 55px rgba(17, 24, 39, 0.12);
  --radius: 8px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--brand-text);
  background: var(--brand-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--brand-text);
  color: #fff;
  padding: 10px 14px;
  transition: transform 0.2s ease;
}

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

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

.selector-page {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  padding: 44px 0 38px;
  background:
    radial-gradient(circle at 16% 16%, rgba(216, 36, 36, 0.16), transparent 28%),
    radial-gradient(circle at 86% 10%, rgba(41, 169, 225, 0.14), transparent 24%),
    linear-gradient(145deg, #ffffff 0%, #f5f8ff 48%, #fff7ea 100%);
}

.selector-page::before,
.selector-page::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(2px);
  opacity: 0.7;
  transform: translateZ(0);
  animation: floatSoft 9s ease-in-out infinite;
}

.selector-page::before {
  width: 260px;
  height: 260px;
  left: -90px;
  top: 90px;
  background: color-mix(in srgb, var(--brand-secondary) 20%, transparent);
}

.selector-page::after {
  width: 340px;
  height: 340px;
  right: -130px;
  bottom: 10%;
  background: color-mix(in srgb, var(--brand-primary) 14%, transparent);
  animation-delay: -3s;
}

.selector-shell {
  position: relative;
  z-index: 1;
  width: min(980px, calc(100% - 32px));
  margin: 0 auto 28px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 24px 70px rgba(17, 24, 39, 0.1);
  backdrop-filter: blur(18px);
  padding: clamp(22px, 4vw, 42px);
}

.selector-hero {
  width: min(820px, 100%);
  margin: 0 auto;
  text-align: center;
}

.eyebrow,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  border: 1px solid color-mix(in srgb, var(--brand-primary) 22%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-primary) 9%, #fff);
  color: var(--brand-primary);
  padding: 7px 12px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.selector-hero h1,
.hero-copy h1,
.section-heading h2,
.split-grid h2,
.final-cta h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

.selector-hero h1 {
  font-size: clamp(2.1rem, 5vw, 4.1rem);
}

.selector-hero p:not(.eyebrow) {
  width: min(680px, 100%);
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.selector-guide {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 26px;
}

.selector-guide div {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  padding: 14px;
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.06);
}

.selector-guide strong {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  font-weight: 950;
}

.selector-guide span {
  color: #334155;
  font-weight: 850;
  line-height: 1.25;
}

.brand-grid {
  position: relative;
  z-index: 1;
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.brand-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 270px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  padding: 22px;
  box-shadow: 0 12px 34px rgba(17, 24, 39, 0.08);
  text-align: left;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.brand-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(140deg, color-mix(in srgb, var(--card-primary) 13%, transparent), transparent 44%),
    linear-gradient(330deg, color-mix(in srgb, var(--card-primary) 10%, transparent), transparent 50%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.brand-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -45%;
  width: 38%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.54), transparent);
  transform: skewX(-16deg) translateX(-130%);
  transition: transform 0.55s ease;
}

.brand-card:hover,
.brand-card:focus-within {
  transform: translateY(-7px) scale(1.01);
  border-color: color-mix(in srgb, var(--card-primary) 55%, transparent);
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.13);
}

.brand-card:hover::before,
.brand-card:focus-within::before {
  opacity: 1;
}

.brand-card:hover::after,
.brand-card:focus-within::after {
  transform: skewX(-16deg) translateX(380%);
}

.brand-logo-box {
  height: 74px;
  display: flex;
  align-items: center;
}

.brand-logo-box img {
  max-height: 64px;
  width: auto;
  object-fit: contain;
}

.brand-card h2 {
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.brand-card p {
  margin: 0;
  color: var(--muted);
}

.brand-card button,
.primary-button,
.secondary-button,
.nav-cta,
.inline-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.brand-card button {
  width: 100%;
  border: 0;
  background: var(--card-primary);
  color: #fff;
  padding: 11px 16px;
}

.brand-card button:hover,
.primary-button:hover,
.nav-cta:hover,
.inline-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px color-mix(in srgb, var(--brand-primary) 26%, transparent);
}

.trust-bar {
  position: relative;
  z-index: 1;
  width: min(var(--max-width), calc(100% - 32px));
  margin: 24px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.trust-bar span {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  padding: 12px;
  color: #334155;
  font-size: 0.92rem;
  font-weight: 700;
  text-align: center;
}

.landing-page {
  min-height: 100vh;
  background: var(--brand-bg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in srgb, var(--brand-primary) 12%, transparent);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  animation: slideDown 0.42s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.nav-wrap {
  width: min(var(--max-width), calc(100% - 32px));
  height: 74px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-mark,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  line-height: 1.1;
}

.brand-mark img {
  width: 86px;
  max-height: 42px;
  object-fit: contain;
}

.nav-menu {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: 0.91rem;
  font-weight: 750;
}

.nav-menu a {
  color: #334155;
}

.nav-menu a:hover,
.text-button:hover {
  color: var(--brand-primary);
}

.text-button {
  border: 0;
  background: transparent;
  color: #334155;
  cursor: pointer;
  font-weight: 800;
  padding: 0;
}

.nav-cta,
.primary-button {
  border: 0;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  padding: 12px 18px;
  box-shadow: 0 14px 26px color-mix(in srgb, var(--brand-primary) 22%, transparent);
}

.secondary-button {
  border: 1px solid color-mix(in srgb, var(--brand-primary) 38%, transparent);
  background: rgba(255, 255, 255, 0.78);
  color: var(--brand-primary);
  padding: 11px 18px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--brand-text);
}

.hero-section {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 74px);
  display: flex;
  align-items: center;
  padding: 54px 0 42px;
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--brand-primary) 13%, transparent), transparent 40%),
    linear-gradient(330deg, color-mix(in srgb, var(--brand-secondary) 17%, transparent), transparent 42%),
    var(--brand-bg);
}

.hero-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--brand-bg);
}

.hero-slideshow::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.9) 46%, rgba(255, 255, 255, 0.5) 100%),
    linear-gradient(180deg, color-mix(in srgb, var(--brand-primary) 8%, transparent), color-mix(in srgb, var(--brand-bg) 18%, transparent));
}

.hero-slide {
  position: absolute;
  inset: -2%;
  background-position: center 44%;
  background-repeat: no-repeat;
  background-size: cover;
  filter: saturate(0.88) contrast(0.96);
  opacity: 0;
  transform: scale(1.035);
  transition: opacity 0.9s ease, transform 4.8s ease;
  will-change: opacity, transform;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 9px;
  z-index: 3;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary), var(--brand-accent));
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: 46px;
}

.hero-logo {
  width: 172px;
  max-height: 76px;
  margin-bottom: 16px;
  object-fit: contain;
  animation: floatLogo 5.5s ease-in-out infinite;
}

.hero-copy h1 {
  width: min(760px, 100%);
  font-size: clamp(2.15rem, 5.2vw, 4.7rem);
}

.hero-subtitle {
  width: min(650px, 100%);
  margin: 18px 0 0;
  color: #475569;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.quick-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: min(640px, 100%);
  margin-top: 24px;
}

.quick-points span {
  border: 1px solid color-mix(in srgb, var(--brand-primary) 14%, transparent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  padding: 12px 14px;
  color: #334155;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 470px;
  display: grid;
  place-items: center;
}

.heater-illustration {
  position: relative;
  width: min(370px, 88vw);
  height: 430px;
  border: 1px solid color-mix(in srgb, var(--brand-primary) 16%, transparent);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.22) 1px, transparent 1px, transparent 22px),
    linear-gradient(150deg, color-mix(in srgb, var(--brand-primary) 18%, #ffffff), color-mix(in srgb, var(--brand-secondary) 18%, #ffffff));
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: translateZ(0);
  animation: visualFloat 7s ease-in-out infinite;
}

.heater-panel {
  position: absolute;
  top: 54px;
  left: 50%;
  width: 210px;
  height: 44px;
  transform: translateX(-50%);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: inset 0 0 0 1px rgba(17, 24, 39, 0.08);
}

.heater-tank {
  position: absolute;
  left: 50%;
  top: 128px;
  width: 178px;
  height: 225px;
  transform: translateX(-50%);
  border-radius: 90px 90px 26px 26px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.68), transparent 30%),
    linear-gradient(150deg, var(--brand-primary), var(--brand-secondary));
  box-shadow: inset -18px 0 34px rgba(0, 0, 0, 0.14), 0 18px 32px rgba(0, 0, 0, 0.13);
  animation: tankGlow 4s ease-in-out infinite;
}

.heater-tank span:first-child {
  position: absolute;
  inset: 38px 32px auto;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.heater-tank span:last-child {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 48px;
  height: 48px;
  transform: translateX(-50%);
  border: 8px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
}

.heater-pipe {
  position: absolute;
  height: 9px;
  border-radius: 999px;
  background: #e9eef5;
  box-shadow: inset 0 0 0 1px rgba(17, 24, 39, 0.08);
}

.pipe-a {
  right: 16px;
  top: 126px;
  width: 118px;
  transform: rotate(90deg);
}

.pipe-b {
  left: 35px;
  bottom: 72px;
  width: 128px;
}

.service-card {
  position: absolute;
  right: 0;
  bottom: 36px;
  z-index: 2;
  width: 220px;
  border: 1px solid color-mix(in srgb, var(--brand-primary) 15%, transparent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  padding: 16px;
  box-shadow: 0 18px 40px rgba(17, 24, 39, 0.14);
  animation: cardFloat 5.4s ease-in-out infinite;
}

.service-card p,
.service-card span {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.service-card strong {
  display: block;
  margin: 4px 0;
}

.content-section {
  padding: 76px 0;
  background: #fff;
}

.price-strip {
  padding: 28px 0;
  background: linear-gradient(180deg, #fff, color-mix(in srgb, var(--brand-bg) 72%, #fff));
}

.price-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--brand-primary) 20%, transparent);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.82)),
    linear-gradient(135deg, color-mix(in srgb, var(--brand-primary) 12%, transparent), color-mix(in srgb, var(--brand-secondary) 14%, transparent));
  padding: clamp(18px, 3vw, 28px);
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.08);
}

.price-card h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.12;
}

.price-card p:not(.eyebrow) {
  margin: 8px 0 0;
  color: var(--muted);
}

.muted-section {
  background: var(--surface-soft);
}

.section-heading {
  width: min(720px, 100%);
  margin-bottom: 28px;
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.split-grid h2,
.final-cta h2 {
  font-size: clamp(1.75rem, 3vw, 2.65rem);
}

.section-heading p:not(.eyebrow),
.split-grid p,
.final-cta p,
.site-footer p {
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 16px;
}

.services-grid {
  grid-template-columns: repeat(4, 1fr);
}

.benefits-grid,
.testimonial-grid {
  grid-template-columns: repeat(3, 1fr);
}

.info-card,
.testimonial-card {
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
}

.info-card .icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--brand-primary) 11%, #fff);
  color: var(--brand-primary);
  font-size: 1.24rem;
}

.info-card .icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.1;
}

.info-card h3,
.testimonial-card h3 {
  margin: 0 0 8px;
  font-size: 1.06rem;
  line-height: 1.25;
}

.info-card p,
.testimonial-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.split-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 38px;
  align-items: start;
}

.inline-cta {
  margin-top: 16px;
  background: var(--brand-primary);
  color: #fff;
  padding: 12px 16px;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.problem-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 13px 14px;
  color: #334155;
  font-weight: 750;
}

.process-section {
  background:
    linear-gradient(180deg, #fff 0%, color-mix(in srgb, var(--brand-bg) 65%, #fff) 100%);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  counter-reset: service-step;
}

.process-step {
  position: relative;
  min-height: 158px;
  border: 1px solid color-mix(in srgb, var(--brand-primary) 16%, transparent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  padding: 18px;
}

.process-step::before {
  counter-increment: service-step;
  content: counter(service-step);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  font-weight: 900;
}

.process-step h3 {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.3;
}

.area-wrap {
  text-align: center;
}

.area-wrap .section-heading {
  margin-inline: auto;
}

.area-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.area-grid span {
  border: 1px solid color-mix(in srgb, var(--brand-primary) 19%, transparent);
  border-radius: 999px;
  background: #fff;
  padding: 10px 14px;
  color: #334155;
  font-weight: 800;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stars {
  color: #f6a51a;
  letter-spacing: 0;
}

.testimonial-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  color: #475569;
  font-weight: 850;
  font-size: 0.92rem;
}

.faq-wrap {
  width: min(900px, calc(100% - 32px));
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.faq-item.is-open {
  border-color: color-mix(in srgb, var(--brand-primary) 28%, transparent);
  box-shadow: 0 14px 30px rgba(17, 24, 39, 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border: 0;
  background: transparent;
  padding: 18px;
  color: var(--brand-text);
  cursor: pointer;
  font-weight: 900;
  text-align: left;
}

.faq-question span {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--brand-primary) 10%, #fff);
  color: var(--brand-primary);
  transition: transform 0.24s ease, background 0.24s ease;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  padding: 0 18px;
  color: var(--muted);
  opacity: 0;
  transform: translateY(-6px);
  transition: grid-template-rows 0.3s ease, opacity 0.24s ease, transform 0.24s ease, padding 0.3s ease;
}

.faq-answer > div {
  overflow: hidden;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
  padding-bottom: 18px;
  opacity: 1;
  transform: translateY(0);
}

.faq-item.is-open .faq-question span {
  transform: rotate(45deg);
}

.final-cta {
  padding: 62px 0;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--brand-primary) 92%, #111827), var(--brand-secondary));
  color: #fff;
  text-align: center;
}

.final-cta-inner {
  width: min(780px, calc(100% - 32px));
}

.final-cta .badge {
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.final-cta p {
  color: rgba(255, 255, 255, 0.84);
}

.primary-button.large {
  margin-top: 14px;
  background: #fff;
  color: var(--brand-primary);
}

.site-footer {
  padding: 22px 0 12px;
  background: #101827;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
}

.footer-brand img {
  width: 68px;
  max-height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.18));
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
  font-weight: 800;
}

.footer-links .text-button {
  color: #fff;
}

.site-footer .footer-copy {
  grid-column: 1 / -1;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 10px;
  color: rgba(226, 232, 240, 0.86);
  font-size: 0.84rem;
}

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #20c863;
  color: #fff;
  box-shadow: 0 16px 30px rgba(32, 200, 99, 0.34);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  animation: whatsappPulse 2.8s ease-in-out infinite;
}

.floating-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 34px rgba(32, 200, 99, 0.42);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

body[data-brand="solahart"] {
  --brand-primary: #d71920;
  --brand-secondary: #f7a81b;
  --brand-accent: #ffd34f;
  --brand-bg: #fff7e8;
  --brand-text: #231a18;
}

body[data-brand="handal"] {
  --brand-primary: #c91d22;
  --brand-secondary: #138246;
  --brand-accent: #f6f7f2;
  --brand-bg: #f6fff8;
  --brand-text: #15251e;
}

body[data-brand="wika"] {
  --brand-primary: #0b438a;
  --brand-secondary: #29a9e1;
  --brand-accent: #d8f1ff;
  --brand-bg: #f1f8ff;
  --brand-text: #102033;
}

body[data-brand="intisolar"] {
  --brand-primary: #e04b20;
  --brand-secondary: #ffc933;
  --brand-accent: #8b1d14;
  --brand-bg: #fff8e4;
  --brand-text: #2b1b12;
}

body[data-brand="ariston"] {
  --brand-primary: #8e1d2b;
  --brand-secondary: #c24a59;
  --brand-accent: #eef1f4;
  --brand-bg: #f7f7f8;
  --brand-text: #24272c;
}

body[data-brand="wika"] .hero-section,
body[data-brand="ariston"] .hero-section {
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--brand-primary) 16%, transparent), transparent 46%),
    linear-gradient(340deg, rgba(255, 255, 255, 0.74), transparent 45%),
    var(--brand-bg);
}

body[data-brand="handal"] .heater-illustration {
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.24) 1px, transparent 1px, transparent 22px),
    linear-gradient(145deg, color-mix(in srgb, var(--brand-secondary) 22%, #fff), color-mix(in srgb, var(--brand-primary) 16%, #fff));
}

body[data-brand="wika"] .heater-illustration {
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.58), transparent 30%),
    repeating-linear-gradient(135deg, rgba(11, 67, 138, 0.08), rgba(11, 67, 138, 0.08) 2px, transparent 2px, transparent 18px),
    #eef9ff;
}

body[data-brand="intisolar"] .hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(224, 75, 32, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(224, 75, 32, 0.08) 1px, transparent 1px);
  background-size: 54px 54px;
  z-index: 1;
  pointer-events: none;
}

body[data-brand="ariston"] .heater-tank {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.7), transparent 30%),
    linear-gradient(150deg, #8e1d2b, #e4e6ea);
}

.motion-reveal {
  transform: translate3d(0, 22px, 0);
  opacity: 0;
  will-change: transform, opacity;
}

.motion-reveal.is-visible {
  animation: revealUp 0.72s cubic-bezier(0.16, 1, 0.3, 1) var(--delay, 0ms) both;
}

.brand-card.motion-reveal {
  transform: translate3d(0, 26px, 0) scale(0.98);
}

.brand-card.motion-reveal.is-visible {
  animation-name: revealCard;
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translate3d(0, 22px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes revealCard {
  from {
    opacity: 0;
    transform: translate3d(0, 26px, 0) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translate3d(0, -16px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes floatSoft {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(18px, -18px, 0) scale(1.04);
  }
}

@keyframes visualFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -10px, 0);
  }
}

@keyframes cardFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -8px, 0);
  }
}

@keyframes floatLogo {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -5px, 0);
  }
}

@keyframes tankGlow {
  0%,
  100% {
    filter: saturate(1);
  }
  50% {
    filter: saturate(1.12) brightness(1.03);
  }
}

@keyframes whatsappPulse {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, -3px, 0) scale(1.04);
  }
}

@media (max-width: 1080px) {
  .brand-grid,
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .nav-menu {
    gap: 12px;
    font-size: 0.86rem;
  }
}

@media (max-width: 860px) {
  .brand-grid,
  .trust-bar,
  .services-grid,
  .benefits-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-wrap {
    height: 68px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 16px;
    box-shadow: var(--shadow);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu a,
  .nav-menu button {
    min-height: 42px;
    text-align: left;
  }

  .nav-cta {
    display: none;
  }

  .hero-section {
    min-height: auto;
    padding: 38px 0 36px;
  }

  .hero-slideshow::after {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.82) 62%, rgba(255, 255, 255, 0.68) 100%),
      color-mix(in srgb, var(--brand-bg) 18%, transparent);
  }

  .hero-slide {
    background-position: center;
  }

  .hero-grid,
  .split-grid,
  .price-card,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 380px;
  }

  .heater-illustration {
    height: 370px;
  }

  .service-card {
    right: 12px;
    bottom: 12px;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .price-card .primary-button {
    width: 100%;
  }

  .final-cta {
    padding: 34px 0;
  }

  .site-footer {
    padding: 18px 0 10px;
  }

  .footer-grid {
    gap: 10px;
  }

  .site-footer p {
    margin: 8px 0 0;
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .footer-grid > div:first-child > p {
    display: none;
  }

  .footer-links {
    gap: 10px 14px;
    font-size: 0.92rem;
  }

  .footer-copy {
    padding-top: 8px;
    font-size: 0.78rem;
  }
}

@media (max-width: 620px) {
  .selector-page {
    padding-top: 22px;
  }

  .selector-shell {
    border-radius: 14px;
    padding: 22px 16px;
  }

  .selector-guide {
    grid-template-columns: 1fr;
  }

  .brand-grid,
  .trust-bar,
  .services-grid,
  .benefits-grid,
  .testimonial-grid,
  .problem-list,
  .process-list {
    grid-template-columns: 1fr;
  }

  .brand-card {
    min-height: 232px;
    padding: 18px;
  }

  .hero-copy h1 {
    font-size: 2.25rem;
  }

  .quick-points {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .content-section {
    padding: 54px 0;
  }

  .price-strip {
    padding: 20px 0;
  }

  .final-cta h2 {
    font-size: 1.8rem;
  }

  .hero-logo {
    width: 142px;
  }

  .brand-mark img {
    width: 76px;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    width: 54px;
    height: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
  }

  .motion-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}