.cof-page {
  --cof-oil: #c46d19;
  --cof-oil-dark: #8c4210;
  --cof-navy: #071c29;
  --cof-blue: #2f7896;
  --cof-cream: #f2eee5;
}

.cof-page main {
  overflow: clip;
}

.cof-hero {
  position: relative;
  padding: clamp(4.5rem, 8vw, 8rem) 0 clamp(4rem, 7vw, 7rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 15%, rgba(196, 109, 25, .2), transparent 32rem),
    linear-gradient(135deg, #06141e, #0b2b3e 72%, #173c4f);
  color: #fff;
}

.cof-hero::after {
  position: absolute;
  right: -9rem;
  bottom: -14rem;
  width: 34rem;
  height: 34rem;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 50%;
  content: "";
}

.cof-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(24rem, .98fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.cof-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-bottom: clamp(2rem, 4vw, 4rem);
  color: #9cb5c3;
  font-size: .74rem;
  font-weight: 750;
}

.cof-breadcrumb a {
  color: #d8e5eb;
  text-decoration: none;
}

.cof-hero .st-kicker {
  color: #f0a151;
}

.cof-hero h1 {
  max-width: 13ch;
  margin: 0 0 1.5rem;
  color: #fff;
  font-size: clamp(3.3rem, 5.8vw, 6.5rem);
  line-height: .96;
  letter-spacing: -.055em;
}

.cof-hero-lead {
  max-width: 64ch;
  margin-bottom: 0;
  color: #c8d7de;
  font-size: clamp(1.02rem, 1.35vw, 1.25rem);
  line-height: 1.68;
}

.cof-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 2rem 0;
}

.cof-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 1.2rem;
  border: 1px solid #7e9aaa;
  color: #fff;
  font-size: .78rem;
  font-weight: 850;
  text-decoration: none;
}

.cof-button.is-primary {
  border-color: var(--cof-oil);
  background: var(--cof-oil);
}

.cof-hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, .2);
}

.cof-hero-facts div {
  min-width: 0;
  padding: 1.2rem 1rem 0 0;
}

.cof-hero-facts dt {
  color: #88a7b6;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.cof-hero-facts dd {
  margin: .45rem 0 0;
  color: #fff;
  font-weight: 850;
}

.cof-hero-media {
  position: relative;
  min-width: 0;
  padding: 0 0 4.5rem 3rem;
}

.cof-hero-media figure {
  margin: 0;
}

.cof-hero-product {
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, .35);
  color: var(--cof-navy);
}

.cof-hero-product img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

.cof-hero-product figcaption {
  display: grid;
  gap: .35rem;
  padding: 1rem 1.2rem 1.2rem;
  border-top: 1px solid #d6e0e4;
}

.cof-hero-product figcaption span,
.cof-gallery figcaption span {
  color: var(--cof-oil-dark);
  font-size: .66rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.cof-hero-installation {
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(14rem, 38%);
  overflow: hidden;
  border: 5px solid var(--cof-navy);
  background: var(--cof-navy);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, .35);
}

.cof-hero-installation img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
}

.cof-hero-installation figcaption {
  padding: .75rem;
  color: #d8e4e9;
  font-size: .7rem;
  line-height: 1.45;
}

.cof-section-nav {
  position: sticky;
  z-index: 45;
  top: 74px;
  border-bottom: 1px solid var(--st-line);
  background: rgba(247, 250, 251, .97);
  backdrop-filter: blur(14px);
}

.cof-section-nav > div {
  display: flex;
  gap: 1.4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.cof-section-nav a {
  flex: 0 0 auto;
  padding: 1rem 0;
  color: var(--st-copy);
  font-size: .72rem;
  font-weight: 850;
  text-decoration: none;
}

.cof-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, .62fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: clamp(2rem, 4vw, 4rem);
}

.cof-section-head h2 {
  max-width: 18ch;
  margin: 0;
  color: var(--cof-navy);
  font-size: clamp(2.5rem, 4.4vw, 4.7rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.cof-section-head > p {
  margin: 0;
  color: var(--st-copy);
  line-height: 1.72;
}

.cof-fit-grid,
.cof-config-grid,
.cof-application-grid,
.cof-compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--st-line);
  border: 1px solid var(--st-line);
}

.cof-fit-grid article {
  padding: clamp(1.6rem, 4vw, 3.5rem);
  background: #fff;
}

.cof-fit-grid article.is-fit {
  border-top: 4px solid var(--cof-blue);
}

.cof-fit-grid article.is-review {
  border-top: 4px solid var(--cof-oil);
}

.cof-fit-grid article > span,
.cof-config-grid article > span,
.cof-application-grid article > span,
.cof-compare-grid article > span {
  color: var(--cof-oil-dark);
  font-size: .69rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.cof-fit-grid h3 {
  max-width: 22ch;
  margin: .9rem 0 1.2rem;
  color: var(--cof-navy);
  font-size: clamp(1.6rem, 2.6vw, 2.5rem);
  line-height: 1.08;
}

.cof-fit-grid ul,
.cof-quote-copy ul {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding-left: 1.15rem;
  color: var(--st-copy);
  line-height: 1.55;
}

.cof-flow {
  background: var(--cof-navy);
  color: #fff;
}

.cof-flow-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(24rem, 1.1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}

.cof-flow h2 {
  max-width: 15ch;
  margin: 0 0 1.4rem;
  color: #fff;
  font-size: clamp(2.6rem, 4.5vw, 4.8rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.cof-flow > div > div > p:not(.st-kicker) {
  color: #b9cbd4;
  line-height: 1.7;
}

.cof-flow-steps {
  display: grid;
  gap: 1px;
  margin: 2rem 0 0;
  padding: 1px;
  background: #294657;
  list-style: none;
}

.cof-flow-steps li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem;
  background: #0a2332;
}

.cof-flow-steps li > span {
  color: #f0a151;
  font: 800 .76rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.cof-flow-steps h3 {
  margin: 0 0 .35rem;
  color: #fff;
  font-size: 1rem;
}

.cof-flow-steps p {
  margin: 0;
  color: #adc1cb;
  font-size: .86rem;
  line-height: 1.5;
}

.cof-flow-figure {
  margin: 0;
  overflow: hidden;
  background: #fff;
  color: var(--cof-navy);
}

.cof-flow-figure img {
  width: 100%;
}

.cof-flow-figure figcaption {
  padding: 1.1rem 1.25rem;
  border-top: 1px solid var(--st-line);
  line-height: 1.55;
}

.cof-pending {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  border-block: 1px solid #e1b584;
  background: #fff2df;
}

.cof-pending .st-kicker {
  color: var(--cof-oil-dark);
}

.cof-pending h2 {
  max-width: 30ch;
  margin: 0 0 1rem;
  color: #5b2a0d;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.08;
}

.cof-pending p:last-child {
  max-width: 75rem;
  margin: 0;
  color: #6d3b1d;
  line-height: 1.7;
}

.cof-models {
  background: var(--cof-cream);
}

.cof-model-table table {
  min-width: 58rem;
}

.cof-option-table table {
  min-width: 52rem;
}

.cof-source-table table {
  min-width: 52rem;
}

.cof-model-table caption,
.cof-option-table caption,
.cof-source-table caption {
  padding: 1rem 1.1rem;
  background: #fff;
  color: var(--cof-navy);
  font-weight: 850;
  text-align: left;
}

.cof-model-table tbody td:last-child {
  min-width: 18rem;
}

.cof-option-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(18rem, .58fr);
  gap: 1.5rem;
  align-items: start;
}

.cof-option-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--st-line);
  background: #fff;
}

.cof-option-figure img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.cof-option-figure figcaption {
  padding: 1rem 1.1rem;
  color: var(--st-copy);
  line-height: 1.55;
}

.cof-option-figure figcaption strong {
  color: var(--cof-navy);
}

.cof-config-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.5rem;
}

.cof-config-grid article,
.cof-application-grid article,
.cof-compare-grid article {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: #fff;
}

.cof-config-grid h3,
.cof-application-grid h3,
.cof-compare-grid h3 {
  margin: .75rem 0 .8rem;
  color: var(--cof-navy);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.12;
}

.cof-config-grid p,
.cof-application-grid p,
.cof-compare-grid p {
  margin: 0;
  color: var(--st-copy);
  line-height: 1.62;
}

.cof-gallery-section {
  background: #e8eff2;
}

.cof-gallery-section.is-detail {
  background: var(--cof-navy);
  color: #fff;
}

.cof-gallery-section.is-detail .cof-section-head h2 {
  color: #fff;
}

.cof-gallery-section.is-detail .cof-section-head > p {
  color: #b5c8d2;
}

.cof-gallery-section.is-detail .st-kicker {
  color: #f0a151;
}

.cof-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.cof-gallery figure {
  display: flex;
  min-width: 0;
  flex-direction: column;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--st-line);
  background: #fff;
}

.cof-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #eef2f3;
}

.cof-gallery figcaption {
  display: grid;
  gap: .35rem;
  margin-top: auto;
  padding: .8rem .9rem;
  border-top: 1px solid var(--st-line);
  color: var(--cof-navy);
  background: #fff;
}

.cof-gallery figcaption strong {
  font-size: .84rem;
}

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

.cof-compare {
  background: var(--cof-cream);
}

.cof-video {
  background:
    linear-gradient(120deg, rgba(47, 120, 150, .12), transparent 58%),
    #f7fafb;
}

.cof-video-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(22rem, 1.1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.cof-video-layout h2 {
  max-width: 15ch;
  margin: 0 0 1.2rem;
  color: var(--cof-navy);
  font-size: clamp(2.5rem, 4.4vw, 4.7rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.cof-video-layout p:last-child {
  max-width: 45rem;
  color: var(--st-copy);
  line-height: 1.68;
}

.cof-video-trigger {
  display: grid;
  min-height: 18rem;
  place-content: center;
  gap: .75rem;
  padding: 2rem;
  border: 1px solid #345467;
  background:
    radial-gradient(circle at 78% 18%, rgba(196, 109, 25, .32), transparent 18rem),
    linear-gradient(135deg, #071c29, #153b4e);
  color: #fff;
  text-align: center;
  cursor: pointer;
}

.cof-video-trigger > span {
  display: grid;
  width: 4rem;
  height: 4rem;
  place-items: center;
  margin-inline: auto;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 50%;
  background: var(--cof-oil);
  font-size: 1.25rem;
}

.cof-video-trigger strong {
  font-size: clamp(1.2rem, 2.2vw, 1.85rem);
  line-height: 1.2;
}

.cof-video-trigger small {
  color: #b9cbd4;
  font-weight: 750;
}

.cof-video-dialog {
  width: min(92vw, 70rem);
  padding: 0;
  border: 0;
  background: transparent;
}

.cof-video-dialog::backdrop {
  background: rgba(3, 12, 18, .88);
}

.cof-video-dialog > div {
  overflow: hidden;
  border: 1px solid #486476;
  background: var(--cof-navy);
  color: #fff;
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, .55);
}

.cof-video-dialog header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1rem;
}

.cof-video-dialog h2 {
  margin: 0;
  color: #fff;
  font-size: 1rem;
}

.cof-video-dialog button {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid #76909e;
  background: transparent;
  color: #fff;
  font-size: 1.35rem;
  cursor: pointer;
}

.cof-video-dialog iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #000;
}

.cof-faq {
  background: #e8eff2;
}

.cof-faq-grid {
  display: grid;
  grid-template-columns: minmax(18rem, .68fr) minmax(0, 1.32fr);
  gap: clamp(2.5rem, 6vw, 6rem);
}

.cof-faq h2 {
  max-width: 11ch;
  margin: 0 0 1.2rem;
  color: var(--cof-navy);
  font-size: clamp(2.6rem, 4.4vw, 4.8rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.cof-faq header > p:last-child {
  color: var(--st-copy);
  line-height: 1.68;
}

.cof-faq details {
  border-top: 1px solid var(--st-line);
  background: #fff;
}

.cof-faq details:last-child {
  border-bottom: 1px solid var(--st-line);
}

.cof-faq summary {
  position: relative;
  padding: 1.3rem 3.2rem 1.3rem 1.2rem;
  color: var(--cof-navy);
  font-weight: 850;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}

.cof-faq summary::-webkit-details-marker {
  display: none;
}

.cof-faq summary::after {
  position: absolute;
  right: 1.2rem;
  content: "+";
  color: var(--cof-oil-dark);
  font-size: 1.35rem;
}

.cof-faq details[open] summary::after {
  content: "−";
}

.cof-faq details p {
  margin: 0;
  padding: 0 1.2rem 1.4rem;
  color: var(--st-copy);
  line-height: 1.68;
}

.cof-quote {
  background: var(--cof-navy);
  color: #fff;
}

.cof-quote-grid {
  display: grid;
  grid-template-columns: minmax(18rem, .62fr) minmax(0, 1.38fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.cof-quote-copy {
  min-width: 0;
}

.cof-quote-copy .st-kicker {
  color: #f0a151;
}

.cof-quote-copy h2 {
  max-width: 12ch;
  margin: 0 0 1.2rem;
  color: #fff;
  font-size: clamp(2.6rem, 4.4vw, 4.8rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.cof-quote-copy > p:not(.st-kicker) {
  color: #bdced6;
  line-height: 1.68;
}

.cof-quote-copy ul {
  color: #d4e0e5;
}

.cof-quote-grid > * {
  min-width: 0;
}

.cof-page .hnl-inquiry-grid > label,
.cof-page .hnl-inquiry-grid input,
.cof-page .hnl-inquiry-grid textarea {
  min-width: 0;
}

@media (max-width: 1020px) {
  .cof-hero-grid,
  .cof-flow-grid,
  .cof-option-layout,
  .cof-video-layout,
  .cof-faq-grid,
  .cof-quote-grid {
    grid-template-columns: 1fr;
  }

  .cof-hero-media {
    width: min(100%, 45rem);
    margin-inline: auto;
  }

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

  .cof-section-head > p {
    max-width: 48rem;
  }

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

  .cof-option-figure {
    width: min(100%, 32rem);
  }
}

@media (max-width: 760px) {
  .cof-section-nav {
    top: 68px;
  }

  .cof-hero-facts,
  .cof-fit-grid,
  .cof-config-grid,
  .cof-application-grid,
  .cof-compare-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  .cof-hero {
    padding-top: 3.4rem;
  }

  .cof-hero h1 {
    max-width: none;
    font-size: clamp(2.75rem, 12vw, 4.1rem);
    line-height: 1;
    overflow-wrap: anywhere;
  }

  .cof-breadcrumb {
    margin-bottom: 2.2rem;
  }

  .cof-hero-actions {
    display: grid;
  }

  .cof-hero-media {
    padding: 0 0 3.4rem 1.7rem;
  }

  .cof-hero-installation {
    width: 38%;
  }

  .cof-section-head h2,
  .cof-flow h2,
  .cof-video-layout h2,
  .cof-faq h2,
  .cof-quote-copy h2 {
    max-width: none;
    font-size: clamp(2.25rem, 10.5vw, 3.35rem);
    overflow-wrap: anywhere;
  }

  .cof-gallery {
    grid-template-columns: 1fr;
  }
}