html[data-version] { --anchor-offset: 9rem; }
.concept-v1 { --surface: #fbfcf9; --ink: #153e4b; --muted: #526a70; --accent: #bed8c5; --focus: #bd8427; }
.v1-page { --surface: #fbfcf9; background: var(--surface); --focus: #174d5d; font-family: inherit; font-size: 1.05rem; line-height: 1.85; }
.v1-wrap { width: min(1080px, calc(100% - 5rem)); margin-inline: auto; }
.v1-page h1, .v1-page h2, .v1-page h3 { font-family: inherit; color: inherit; font-weight: 650; letter-spacing: -.025em; }
.v1-page mark { background: transparent; color: #386454; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.v1-header { position: sticky; top: 0; z-index: 30; background: #fbfcf9; color: #153e4b; backdrop-filter: blur(14px); border-bottom: 1px solid #d5e1db; }
.v1-header__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .6rem 1.5rem; padding-block: .8rem; }
.v1-brand { flex: 0 1 20rem; display: block; text-decoration: none; }
.v1-brand img { width: 208px; height: auto; mix-blend-mode: multiply; }
/* The final brief's letterhead flattens the emblem to 140 × 58 pixels.
   Correct that source distortion in both the header and footer. */
.v1-page img[data-v1-image="logo"] { aspect-ratio: 3.4 / 1; object-fit: fill; }
.v1-brand span { display: block; margin-top: .3rem; font-size: .64rem; line-height: 1.5; }
.v1-navigation { display: flex; align-items: center; gap: 1.15rem; font-size: .8rem; font-weight: 600; }
.v1-navigation a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; color: #153e4b; border-bottom: 1px solid transparent; }
.v1-navigation a:hover { border-color: currentColor; }
.v1-navigation .v1-nav-contact { padding: .25rem .8rem; background: #174d5d; color: #ffffff; gap: .7rem; }
.v1-header .site-language-shell { margin: 0; padding: 0; width: auto; }
.v1-header .site-language-switcher { padding: 0; border: 0; background: transparent; gap: .15rem; }
.v1-header .site-language-button { padding: .2rem .55rem; min-width: 0; min-height: 36px; border: 0; border-radius: 0; background: transparent; color: #4c666c; font-size: .65rem; box-shadow: none; }
.v1-header .site-language-button[aria-pressed="true"] { color: #153e4b; background: #edf3e9; box-shadow: none; }
.v1-header .site-language-button::after { display: none; }
.v1-nav-toggle { display: none; }
.v1-hero { position: relative; overflow: hidden; padding-block: clamp(3rem, 5.5vw, 5rem) 6rem; text-align: center; background: #dfedf2; color: #153e4b; }
.v1-hero__inner { position: relative; z-index: 1; }
.v1-site-title { margin-bottom: 1.1rem; font-size: 1.07rem; font-weight: 600; color: #386454; }
.v1-professional-name { margin-bottom: .75rem; font-size: 1.25rem; font-weight: 600; }
.v1-contact-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .25rem 2rem; }
.v1-contact-links a { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; color: inherit; text-underline-offset: .25em; }
.v1-contact-links bdi { font-weight: 600; }
.v1-contact-links a span { font-size: .85em; }
.v1-hero h1 { max-width: 830px; margin: 0 auto 1.5rem; font-size: clamp(2.5rem, 4.25vw, 4.3rem); line-height: 1.18; }
.v1-hero__intro { margin-bottom: .25rem; font-size: clamp(1rem, 1.6vw, 1.2rem); }
.v1-featured-video { max-width: 800px; margin: 1.5rem auto 2rem; }
.v1-featured-video iframe { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; min-height: 200px; border: 0; background: #071c24; }
.v1-featured-video figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .25rem 1rem; padding-top: .6rem; font-size: .75rem; line-height: 1.6; }
.v1-featured-video a { color: #153e4b; text-underline-offset: 3px; }
.v1-course-offer { margin: 0 0 1.4rem; font-weight: 650; }
.v1-course-eyebrow { margin-bottom: .6rem; font-weight: 600; }
.v1-course-register { display: inline-flex; align-items: center; min-height: 44px; color: #153e4b; font-weight: 650; text-underline-offset: 4px; }
.v1-down-link { display: inline-flex; align-items: center; justify-content: center; gap: .75rem; max-width: 100%; min-height: 44px; color: #153e4b; font-size: .88rem; text-underline-offset: 5px; }
.v1-down-link span { font-size: 1.35rem; }
.v1-waves { position: absolute; bottom: -1px; width: 100%; height: 90px; }
.v1-waves path:nth-child(1) { fill: #b9d9cc; }
.v1-waves path:nth-child(2) { fill: #edf3e9; }
.v1-waves path:nth-child(3) { fill: #fbfcf9; }
.v1-introduction { padding-block: .8rem 4.5rem; background: #fbfcf9; color: #153e4b; }
.v1-introduction > .v1-wrap { max-width: 960px; }
.v1-video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.v1-case-video { min-width: 0; margin: 0; }
.v1-case-video iframe { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; min-height: 200px; border: 0; background: #071c24; }
.v1-case-video figcaption { display: flex; flex-direction: column; gap: .35rem; padding-block: .75rem; font-size: .8rem; line-height: 1.6; color: #4c666c; }
.v1-case-video a { width: fit-content; color: #153e4b; font-size: .72rem; text-underline-offset: 3px; }
@media (max-width: 799.98px) {
  .v1-video-grid { grid-template-columns: 1fr; max-width: 540px; margin-inline: auto; }
}
.v1-introduction__copy { max-width: 740px; margin: 3.1rem auto; text-align: center; font-size: 1.1rem; }
.v1-call-recommendation { display: inline-block; padding: .4rem .5rem; color: #153e4b; text-decoration: none; font-weight: 700; min-height: 44px; }
.v1-call-recommendation:hover { text-decoration: underline; text-underline-offset: 5px; }
.v1-time-limit { width: fit-content; margin: -.45rem auto 0; color: #153e4b; border-bottom: 1px solid currentColor; font-weight: 650; font-size: .95rem; }
.v1-section { padding-block: clamp(3.5rem, 6vw, 6rem); }
.v1-section-heading { display: flex; align-items: flex-start; gap: 1.3rem; margin-bottom: 2.5rem; }
.v1-section-index { flex: 0 0 auto; padding-top: .45rem; border-top: 1px solid #386454; color: #386454; font-size: .75rem; font-weight: 600; font-family: inherit; }
.v1-section-heading h2 { margin: 0; max-width: 850px; font-size: clamp(1.9rem, 3.1vw, 3rem); line-height: 1.35; }
.v1-when { background: #edf3e9; color: #153e4b; }
.v1-situations { list-style: none; padding: 0; margin-bottom: 2.5rem; display: grid; grid-template-columns: 1fr 1fr; column-gap: 3rem; }
.v1-situations li { position: relative; padding: 1rem 0; padding-inline-start: 1.5rem; border-top: 1px solid #d5e1db; font-size: 1rem; }
.v1-situations li::before { content: "↗"; position: absolute; inset-inline-start: 0; color: #386454; }
.v1-callout { border-inline-start: 3px solid #386454; padding: .2rem 1.5rem; margin-block: 2rem 3.5rem; }
.v1-callout a { color: #153e4b; font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 650; text-decoration: none; }
.v1-callout a:hover { text-decoration: underline; text-underline-offset: 5px; }
.v1-gallery { display: grid; gap: .9rem; }
.v1-gallery-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; align-items: start; }
.v1-photo { margin: 0; min-width: 0; }
.v1-photo button { position: relative; display: block; width: 100%; border: 0; padding: 0; background: transparent; overflow: hidden; cursor: zoom-in; }
.v1-photo img { display: block; width: 100%; height: auto; object-fit: contain; transition: opacity .2s; }
.v1-photo button:hover img { opacity: .9; }
.v1-photo__expand { position: absolute; bottom: .5rem; inset-inline-end: .5rem; display: grid; place-items: center; width: 30px; height: 30px; background: #fbfcf9; color: #174d5d; opacity: 0; transition: opacity .2s; }
.v1-photo button:hover .v1-photo__expand, .v1-photo button:focus-visible .v1-photo__expand { opacity: 1; }
.v1-course { background: #e4edf0; color: #153e4b; }
.v1-audiences { max-width: 900px; margin-bottom: 2.5rem; color: #153e4b; line-height: 1.95; font-size: 1.06rem; }
.v1-page .v1-small-heading { color: #153e4b; font-size: 1.12rem; margin-bottom: 1rem; }
.v1-standards-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; padding: 0; color: #153e4b; border-block: 1px solid #d5e1db; }
.v1-standards-grid li { padding: .75rem 1rem; border-bottom: 1px solid #d5e1db; font-size: .95rem; }
.v1-standards-grid li:nth-child(n+19) { border-bottom: 0; }
.v1-challenge { text-align: center; margin: 3.5rem auto 2rem; }
.v1-challenge p { font-size: 1.13rem; font-weight: 650; }
.v1-page .v1-challenge h3 { margin-top: 1.8rem; color: #153e4b; font-size: clamp(1.4rem, 2.25vw, 1.95rem); }
.v1-thermal-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 1.5rem; align-items: center; }
.v1-thermal-grid .v1-photo { width: 100%; max-width: 540px; justify-self: center; }
.v1-thermal-grid .v1-photo + .v1-photo { max-width: 258px; }
.v1-examples { margin-top: 4rem; }
.v1-example { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 3rem; padding-block: 2.5rem; border-top: 1px solid #d5e1db; }
.v1-example h3 { max-width: 450px; margin: 0; font-size: clamp(1.5rem, 2.5vw, 2.1rem); line-height: 1.6; }
.v1-page .v1-example:nth-child(1) h3 { color: #153e4b; }
.v1-page .v1-example:nth-child(2) h3 { color: #153e4b; }
.v1-example .v1-photo { width: 100%; max-width: 490px; justify-self: center; }
.v1-example:first-child .v1-photo { max-width: 330px; }
.v1-knowledge { margin-top: 3.5rem; padding-top: 3rem; border-top: 1px solid #d5e1db; }
.v1-page .v1-knowledge > h3 { color: #153e4b; font-size: clamp(1.8rem, 2.8vw, 2.7rem); line-height: 1.4; margin-bottom: 1.25rem; }
.v1-knowledge ol { counter-reset: v1-question; list-style: none; padding: 0; margin: 0; }
.v1-knowledge li { counter-increment: v1-question; position: relative; padding: 1.2rem 0; padding-inline-start: 3rem; color: #153e4b; border-bottom: 1px solid #d5e1db; font-size: 1.03rem; }
.v1-knowledge li::before { content: counter(v1-question, decimal-leading-zero); position: absolute; inset-inline-start: 0; top: 1.4rem; color: #386454; font-family: inherit; font-size: .8rem; }
.v1-knowledge li:last-child { font-weight: 650; border-bottom: 0; }
.v1-contact { padding-block: 4.5rem; background: #174b5d; color: #f4f7ef; text-align: center; }
.v1-contact__inner > p:first-child { font-size: 1.1rem; }
.v1-contact h2 { font-size: clamp(2rem, 3.3vw, 3.4rem); margin-bottom: 1rem; }
.v1-whatsapp-contact { display: inline-flex; align-items: center; justify-content: center; gap: .65rem; min-height: 48px; margin: .5rem 0 1.75rem; padding: .75rem 1.2rem; border-radius: 3px; background: #f4f7ef; color: #174b5d; font-weight: 600; text-decoration: none; }
.v1-whatsapp-contact img { flex: 0 0 36px; width: 36px; height: 36px; padding: .3rem; border-radius: 50%; background: #246c4d; }
.v1-contact .v1-contact-links { margin-bottom: 1.5rem; }
.v1-signature { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .8rem; margin: 2rem 0 0; color: #f4f7ef; font-size: .95rem; }
.v1-footer { background: #fbfcf9; color: #4c666c; font-size: .8rem; }
.v1-footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-block: 2rem; }
.v1-footer img { width: 155px; height: auto; mix-blend-mode: multiply; }
.v1-lightbox { position: fixed; padding: 3.25rem 1rem 1rem; border: 0; width: min(1000px, calc(100vw - 2rem)); max-height: calc(100dvh - 2rem); background: #fbfcf9; color: #153e4b; overflow: auto; }
.v1-lightbox::backdrop { background: color-mix(in srgb, #103b4a 86%, transparent); backdrop-filter: blur(5px); }
.v1-lightbox figure { margin: 0; }
.v1-lightbox img { display: block; margin: auto; max-height: calc(100dvh - 10rem); width: auto; height: auto; max-width: 100%; object-fit: contain; }
.v1-lightbox figcaption { margin: .75rem auto 0; text-align: center; font-size: .85rem; }
.v1-lightbox__close { position: absolute; top: .25rem; inset-inline-end: .25rem; width: 44px; height: 44px; border: 0; background: transparent; color: #153e4b; font-size: 2rem; line-height: 1; }
@media (min-width: 1100px) {
  .v1-header .site-language-shell { flex-basis: 100%; display: flex; justify-content: flex-end; margin-top: -.5rem; }
}
@media (max-width: 1099.98px) {
  .v1-header__inner { gap: .6rem 1rem; }
  .v1-brand { flex: 1; }
  .v1-nav-toggle { display: grid; place-items: center; min-width: 44px; min-height: 44px; padding: .6rem; border: 1px solid #386454; background: transparent; }
  .v1-navigation { display: none; order: 4; width: 100%; flex-wrap: wrap; padding-top: .5rem; }
  .v1-navigation.is-open { display: flex; }
  .v1-header .site-language-shell { order: 3; }
  .v1-header .site-language-button { min-height: 44px; }
}
@media (max-width: 699.98px) {
  html[data-version] { --anchor-offset: 8rem; }
  .v1-wrap { width: calc(100% - 2.5rem); }
  .v1-header__inner { padding-block: .6rem; }
  .v1-brand img { width: 165px; }
  .v1-brand span { max-width: 225px; font-size: .56rem; }
  .v1-header .site-language-shell { flex-basis: 100%; display: flex; justify-content: center; margin-top: -.3rem; }
  .v1-header .site-language-button { padding: .1rem .7rem; font-size: .63rem; min-height: 36px; }
  .v1-navigation { gap: .2rem 1.2rem; padding-bottom: .4rem; font-size: .84rem; }
  .v1-hero { padding-block: 2.4rem 4.5rem; }
  .v1-site-title { font-size: .95rem; margin-bottom: 1rem; }
  .v1-hero h1 { font-size: clamp(2rem, 7.7vw, 3.2rem); margin-bottom: 1.3rem; }
  .v1-hero__intro { font-size: .95rem; }
  .v1-down-link { font-size: .78rem; gap: .4rem; }
  .v1-waves { height: 55px; }
  .v1-video-grid { grid-template-columns: 1fr; gap: .5rem; }
  .v1-introduction { padding-bottom: 3rem; }
  .v1-introduction__copy { margin-block: 2.4rem; font-size: 1rem; }
  .v1-section-heading { gap: .8rem; margin-bottom: 1.8rem; }
  .v1-section-heading h2 { font-size: 1.8rem; }
  .v1-situations { grid-template-columns: 1fr; }
  .v1-situations li { font-size: .95rem; }
  .v1-callout { padding-inline: 1rem; margin-bottom: 2.6rem; }
  .v1-gallery, .v1-gallery-row { gap: .6rem; }
  .v1-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v1-gallery-row { display: contents; }
  .v1-photo__expand { opacity: 1; width: 25px; height: 25px; font-size: .85rem; }
  .v1-audiences { font-size: .98rem; }
  .v1-standards-grid li { padding: .7rem .4rem; font-size: .73rem; }
  .v1-challenge { margin-top: 2.6rem; }
  .v1-challenge p { font-size: 1rem; }
  .v1-thermal-grid { grid-template-columns: 1fr; }
  .v1-examples { margin-top: 2.5rem; }
  .v1-example { grid-template-columns: 1fr; gap: 1.3rem; padding-block: 2rem; }
  .v1-example h3 { font-size: 1.5rem; }
  .v1-knowledge { margin-top: 2rem; padding-top: 2rem; }
  .v1-knowledge li { font-size: .95rem; padding-inline-start: 2.1rem; }
  .v1-footer__inner { flex-direction: column; text-align: center; gap: .8rem; padding-block: 1.5rem; }
  .v1-footer .v1-contact-links { flex-direction: column; gap: 0; }
}
@media (max-width: 479.98px) {
  .v1-gallery { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: no-preference) {
  .v1-site-title, .v1-hero h1 { animation: v1-arrive .6s both; }
  .v1-hero__intro { animation: v1-arrive .7s .08s both; }
  .v1-down-link { animation: v1-arrive .7s .16s both; }
  .v1-lightbox[open] { animation: v1-arrive .18s both; }
  @keyframes v1-arrive { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) { .v1-page *, .v1-page *::before, .v1-page *::after { animation: none !important; transition: none !important; } }

/* The same compact comparison controls appear in every color version. */
.site-preferences { flex-basis: 100%; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .35rem 1rem; margin-top: -.5rem; }
.v1-header .site-preferences .site-language-shell { flex-basis: auto; width: auto; margin: 0; border: 0; }
.site-preferences .site-language-switcher { width: auto; }
.site-version-switcher { display: inline-flex; gap: .2rem; }
.site-version-button { min-width: 36px; min-height: 36px; padding: .3rem .4rem; border: 1px solid #809998; border-radius: 3px; background: #fbfcf9; color: #153e4b; font: inherit; font-size: .7rem; font-weight: 700; cursor: pointer; }
.site-version-button:hover { background: #edf3e9; }
.site-version-button[aria-pressed="true"] { background: #174d5d; border-color: #174d5d; color: #ffffff; }
@media (max-width: 1099.98px) { .site-preferences { order: 3; margin-top: 0; } }
@media (max-width: 379.98px) { .site-preferences { justify-content: center; } }