body.calculator-preview-body {
  background: #07111b;
  overflow-x: hidden;
}

.calculator-preview-main {
  background:
    radial-gradient(circle at 18% 8rem, rgba(151, 229, 247, 0.18), transparent 0 28rem),
    radial-gradient(circle at 84% 9rem, rgba(99, 155, 208, 0.18), transparent 0 30rem),
    linear-gradient(180deg, #0f2435 0, #0a1b2b 20rem, #07111b 100%);
  min-height: 100vh;
  padding-top: 5.6rem;
}

.calculator-preview-intro {
  align-items: end;
  color: #eaf3f5;
  display: grid;
  gap: 0.7rem clamp(1.5rem, 4vw, 3.6rem);
  grid-template-columns: minmax(20rem, 0.84fr) minmax(18rem, 0.9fr);
  margin: 0 auto;
  max-width: 1220px;
  padding: clamp(2rem, 4vw, 3.2rem) clamp(1rem, 4vw, 3rem) clamp(0.9rem, 1.8vw, 1.35rem);
}

.calculator-preview-intro .eyebrow {
  color: #d8fbff;
  grid-column: 1 / -1;
  margin-bottom: 0.8rem;
}

.calculator-preview-intro h1 {
  color: #f8fbfc;
  font-size: clamp(2.6rem, 4.7vw, 4.6rem);
  grid-row: span 2;
  line-height: 0.96;
  max-width: 12ch;
}

.calculator-preview-intro p {
  color: rgba(234, 243, 245, 0.78);
  font-size: clamp(1rem, 1.45vw, 1.14rem);
  grid-column: 2;
  max-width: 58ch;
}

.calculator-preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  grid-column: 2;
  margin-top: 1.1rem;
}

.calculator-preview-support {
  color: #f4f8fa;
  background:
    radial-gradient(ellipse at 18% 7%, rgba(132, 219, 235, 0.22), transparent 0 28rem),
    radial-gradient(ellipse at 76% 16%, rgba(76, 153, 203, 0.18), transparent 0 32rem),
    linear-gradient(90deg, rgba(221, 242, 249, 0.045) 1px, transparent 1px),
    linear-gradient(rgba(221, 242, 249, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(32, 91, 130, 0.38), rgba(12, 38, 61, 0.28) 44%, rgba(7, 17, 27, 0));
  background-size: auto, auto, 96px 96px, 96px 96px, auto;
  border: 1px solid rgba(184, 239, 246, 0.12);
  border-radius: 0.65rem;
  box-shadow:
    0 32px 92px rgba(1, 8, 14, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  margin: 0 auto;
  max-width: 1220px;
  padding: clamp(2.7rem, 5vw, 4.4rem) clamp(1rem, 4vw, 3rem) 4.8rem;
}

.calculator-support__header {
  border-top: 1px solid rgba(230, 240, 249, 0.14);
  display: grid;
  gap: 1rem clamp(2rem, 5vw, 5rem);
  grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1fr);
  padding-top: 1.5rem;
}

.calculator-preview-support article,
.calculator-support__lede {
  display: grid;
  gap: 0.9rem;
}

.calculator-support__lede {
  max-width: 66ch;
}

.calculator-preview-support article {
  max-width: 760px;
}

.calculator-preview-support h2,
.calculator-support__header h2,
.calculator-faq h2 {
  color: #f8fbfc;
  font-size: clamp(1.75rem, 3vw, 2.8rem);
  line-height: 1;
  max-width: 12ch;
}

.calculator-preview-support p,
.calculator-support__header p,
.calculator-article p,
.calculator-article li,
.calculator-faq p {
  color: rgba(220, 233, 238, 0.72);
  line-height: 1.65;
}

.calculator-article-grid,
.calculator-faq-grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2.2rem);
}

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

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

.calculator-article {
  backdrop-filter: blur(22px) saturate(1.14);
  background:
    radial-gradient(circle at 18% 0%, rgba(216, 251, 255, 0.13), transparent 0 38%),
    linear-gradient(145deg, rgba(216, 251, 255, 0.09), rgba(72, 138, 182, 0.07) 48%, rgba(6, 18, 31, 0.38)),
    rgba(16, 39, 62, 0.5);
  border: 1px solid rgba(181, 232, 247, 0.22);
  border-radius: 8px;
  box-shadow:
    0 16px 34px rgba(2, 8, 14, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.13),
    inset 0 0 0 1px rgba(216, 251, 255, 0.03);
  display: grid;
  gap: 0.78rem;
  padding: clamp(1rem, 2vw, 1.28rem);
}

.calculator-article h3,
.calculator-faq h3 {
  color: #f8fbfc;
  line-height: 1.18;
}

.calculator-article h3 {
  font-size: clamp(1.1rem, 1.8vw, 1.38rem);
}

.calculator-article ul {
  display: grid;
  gap: 0.42rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.calculator-article li {
  border-top: 1px solid rgba(230, 240, 249, 0.1);
  padding-top: 0.42rem;
}

.calculator-faq {
  border-top: 1px solid rgba(230, 240, 249, 0.14);
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.6rem, 3.4vw, 2.8rem);
  padding-top: 1.6rem;
}

.calculator-faq article {
  background:
    linear-gradient(138deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.026) 62%, rgba(141, 222, 231, 0.08)),
    rgba(8, 31, 50, 0.5);
  border: 1px solid rgba(221, 242, 249, 0.16);
  border-radius: 8px;
  display: grid;
  gap: 0.55rem;
  padding: 0.95rem;
}

.calculator-faq h3 {
  font-size: 1rem;
  line-height: 1.28;
}

.calculator-preview-support a {
  color: #d8fbff;
  text-decoration-color: rgba(216, 251, 255, 0.45);
  text-underline-offset: 0.18em;
}

.calculator-preview-support--residential {
  background:
    radial-gradient(ellipse at 18% 7%, rgba(132, 219, 235, 0.28), transparent 0 28rem),
    radial-gradient(ellipse at 76% 16%, rgba(76, 153, 203, 0.22), transparent 0 32rem),
    radial-gradient(ellipse at 18% 78%, rgba(58, 112, 168, 0.24), transparent 0 34rem),
    linear-gradient(90deg, rgba(221, 242, 249, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(221, 242, 249, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(32, 91, 130, 0.58), rgba(12, 38, 61, 0.4) 44%, rgba(7, 17, 27, 0));
  background-size: auto, auto, auto, 96px 96px, 96px 96px, auto;
  border: 1px solid rgba(184, 239, 246, 0.16);
  border-radius: 0.65rem;
  box-shadow:
    0 32px 92px rgba(1, 8, 14, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  margin-top: clamp(1.6rem, 4vw, 3rem);
  overflow: hidden;
  position: relative;
}

.calculator-preview-support--residential::before {
  background:
    linear-gradient(112deg, transparent 0 18%, rgba(223, 252, 255, 0.12) 18.2%, transparent 18.65% 100%),
    radial-gradient(ellipse at 48% 0%, rgba(223, 252, 255, 0.12), transparent 0 38rem);
  content: "";
  inset: 0;
  opacity: 0.82;
  pointer-events: none;
  position: absolute;
}

.calculator-preview-support--residential > * {
  position: relative;
  z-index: 1;
}

.calculator-preview-support--residential .calculator-support__header {
  backdrop-filter: blur(28px) saturate(1.14);
  background:
    radial-gradient(circle at 9% 8%, rgba(141, 222, 231, 0.16), transparent 0 18rem),
    linear-gradient(136deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.036) 58%, rgba(64, 137, 183, 0.14)),
    rgba(8, 30, 48, 0.62);
  border: 1px solid rgba(184, 239, 246, 0.28);
  border-radius: 0.55rem;
  box-shadow:
    0 28px 82px rgba(1, 8, 14, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  padding: clamp(1.35rem, 3vw, 2.2rem);
}

.calculator-preview-support--residential .calculator-support__header h2 {
  font-size: clamp(2.05rem, 4vw, 3.25rem);
  max-width: 13ch;
}

.calculator-preview-support--residential .calculator-support__lede {
  max-width: 70ch;
}

.calculator-preview-support--residential .calculator-support__lede strong,
.residential-guide-body strong,
.calculator-preview-support--residential .calculator-faq h3 {
  color: #dffcff;
}

.residential-guide-layout {
  align-items: start;
  display: grid;
  gap: clamp(1.1rem, 2.8vw, 2rem);
  grid-template-columns: minmax(0, 0.68fr) minmax(18rem, 0.32fr);
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.residential-guide-body,
.residential-guide-side > *,
.calculator-preview-support--residential .calculator-faq {
  backdrop-filter: blur(28px) saturate(1.16);
  background:
    radial-gradient(circle at 8% 1%, rgba(141, 222, 231, 0.13), transparent 0 20rem),
    linear-gradient(138deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.034) 57%, rgba(58, 112, 168, 0.13)),
    rgba(7, 24, 39, 0.66);
  border: 1px solid rgba(184, 239, 246, 0.24);
  border-radius: 0.55rem;
  box-shadow:
    0 26px 72px rgba(1, 8, 14, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.residential-guide-body {
  display: grid;
  gap: clamp(1rem, 2vw, 1.35rem);
  max-width: none;
  padding: clamp(1.35rem, 3vw, 2.4rem);
}

.residential-guide-body h2 {
  font-size: clamp(1.5rem, 2.7vw, 2.3rem);
  line-height: 1.02;
  max-width: 18ch;
  padding-top: 1.05rem;
  position: relative;
}

.residential-guide-body h2::before {
  background: linear-gradient(90deg, rgba(141, 222, 231, 0.86), rgba(221, 242, 249, 0.12), transparent);
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  right: 32%;
  top: 0;
}

.residential-guide-intro,
.residential-guide-callout,
.residential-room-strip,
.calculator-preview-support--residential .calculator-faq article {
  background:
    linear-gradient(138deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.026) 62%, rgba(141, 222, 231, 0.08)),
    rgba(8, 31, 50, 0.5);
  border: 1px solid rgba(221, 242, 249, 0.18);
  border-radius: 0.42rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.residential-guide-intro {
  color: rgba(241, 248, 250, 0.82);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  padding: clamp(1rem, 2vw, 1.35rem);
}

.residential-guide-figure {
  background:
    radial-gradient(circle at 12% 8%, rgba(141, 222, 231, 0.14), transparent 0 26%),
    linear-gradient(138deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.028) 62%, rgba(64, 137, 183, 0.12)),
    rgba(8, 31, 50, 0.62);
  border: 1px solid rgba(221, 242, 249, 0.22);
  border-radius: 0.55rem;
  margin: 0;
  padding: clamp(0.75rem, 1.5vw, 1rem);
}

.residential-guide-figure img {
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(141, 222, 231, 0.18);
  border-radius: 0.38rem;
  object-fit: cover;
  width: 100%;
}

.residential-guide-figure figcaption {
  color: rgba(223, 252, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.45;
  margin-top: 0.8rem;
  text-transform: uppercase;
}

.residential-guide-callout {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: auto 1fr;
  padding: clamp(1rem, 2vw, 1.25rem);
}

.residential-guide-icon {
  align-items: center;
  background: rgba(111, 213, 206, 0.12);
  border: 1px solid rgba(111, 213, 206, 0.28);
  border-radius: 0.45rem;
  color: #92e2e6;
  display: inline-flex;
  height: 2.7rem;
  justify-content: center;
  width: 2.7rem;
}

.residential-guide-icon svg,
.residential-side-card svg {
  fill: none;
  height: 1.25rem;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 1.25rem;
}

.residential-room-strip {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0.72rem;
}

.residential-room-strip div {
  background: linear-gradient(90deg, rgba(141, 222, 231, 0.055), transparent 58%);
  border: 1px solid rgba(221, 242, 249, 0.12);
  border-radius: 0.34rem;
  display: grid;
  gap: 0.25rem;
  min-width: 0;
  padding: 0.75rem;
}

.residential-room-icon {
  align-items: center;
  background:
    radial-gradient(circle at 36% 24%, rgba(221, 242, 249, 0.22), transparent 62%),
    rgba(141, 222, 231, 0.11);
  border: 1px solid rgba(141, 222, 231, 0.24);
  border-radius: 999px;
  color: var(--accent-cyan);
  display: inline-flex;
  height: 2.35rem;
  justify-content: center;
  margin-bottom: 0.28rem;
  width: 2.35rem;
}

.residential-room-icon svg {
  fill: none;
  height: 1.08rem;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  width: 1.08rem;
}

.residential-room-strip span:not(.residential-room-icon),
.residential-side-card .eyebrow {
  color: rgba(223, 252, 255, 0.68);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.residential-room-strip strong {
  color: #f4f8fa;
  font-size: 0.92rem;
  line-height: 1.18;
}

.residential-guide-side {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 6.8rem;
}

.residential-side-card {
  display: grid;
  gap: 0.8rem;
  padding: clamp(1rem, 2vw, 1.25rem);
}

.residential-side-card--image {
  padding: 0.72rem;
}

.residential-side-card--image img {
  aspect-ratio: 1.22 / 0.88;
  border: 1px solid rgba(141, 222, 231, 0.18);
  border-radius: 0.4rem;
  object-fit: cover;
  width: 100%;
}

.residential-side-card h3 {
  color: #f8fbfc;
  font-size: clamp(1.18rem, 1.8vw, 1.5rem);
  line-height: 1.12;
}

.residential-side-card a {
  border-top: 1px solid rgba(221, 242, 249, 0.1);
  color: rgba(223, 252, 255, 0.88);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  padding-top: 0.62rem;
  text-decoration: none;
  text-transform: uppercase;
}

.residential-side-card ul {
  color: rgba(220, 233, 238, 0.76);
  display: grid;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.residential-side-card li {
  border-top: 1px solid rgba(221, 242, 249, 0.09);
  color: rgba(226, 238, 242, 0.74);
  line-height: 1.45;
  padding-left: 1.35rem;
  padding-top: 0.55rem;
  position: relative;
}

.residential-side-card li::before {
  background:
    linear-gradient(135deg, rgba(216, 251, 255, 0.88), rgba(111, 213, 206, 0.82));
  border-radius: 999px;
  box-shadow: 0 0 14px rgba(111, 213, 206, 0.18);
  content: "";
  height: 0.55rem;
  left: 0.12rem;
  position: absolute;
  top: 0.98rem;
  width: 0.55rem;
}

.calculator-preview-support--residential .calculator-faq {
  border-top: 0;
  margin-top: clamp(1.2rem, 3vw, 2rem);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.calculator-preview-support--residential .calculator-faq h2 {
  max-width: 18ch;
}

.calculator-preview-support--residential .calculator-faq-grid {
  gap: 0.75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.calculator-preview-support--residential .calculator-faq article {
  border-top: 0;
  padding: 1rem;
}

@media (max-width: 1080px) {
  .calculator-preview-intro {
    grid-template-columns: 1fr;
  }

  .calculator-preview-intro h1,
  .calculator-preview-intro p,
  .calculator-preview-actions {
    grid-column: auto;
    grid-row: auto;
  }

  .calculator-support__header,
  .calculator-article-grid,
  .calculator-faq-grid,
  .residential-guide-layout,
  .calculator-preview-support--residential .calculator-faq-grid {
    grid-template-columns: 1fr;
  }

  .residential-guide-side {
    position: static;
  }

  .residential-room-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .calculator-preview-intro {
    display: block;
    max-width: 100vw;
    padding-bottom: 0.45rem;
  }

  .calculator-preview-actions {
    display: none;
  }

  .calculator-preview-intro p {
    max-width: 19.5rem;
    width: 100%;
  }

  .calculator-preview-support {
    padding-left: 0.82rem;
    padding-right: 0.82rem;
  }

  .calculator-preview-support--residential {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    margin-left: 0;
    margin-right: 0;
  }

  .residential-guide-callout,
  .residential-room-strip {
    grid-template-columns: 1fr;
  }
}