:root {
  --hj-ink: #071c1a;
  --hj-ink-soft: #17302d;
  --hj-paper: #f3f1e8;
  --hj-surface: #fffefa;
  --hj-mist: #dfe8e2;
  --hj-line: rgba(7, 28, 26, .16);
  --hj-muted: #61706c;
  --hj-teal: #0d8d7f;
  --hj-teal-dark: #07675e;
  --hj-signal: #d6ff48;
  --hj-blue: #2157d5;
  --hj-white: #ffffff;
  --hj-shadow: 0 24px 70px rgba(7, 28, 26, .12);
  --hj-shadow-soft: 0 12px 34px rgba(7, 28, 26, .08);
  --hj-radius: 6px;
  --hj-max: 1240px;
  --hj-gutter: clamp(20px, 4vw, 56px);
  --hj-serif: Georgia, "Times New Roman", serif;
  --hj-sans: Inter, Aptos, "Segoe UI", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--hj-ink);
  background:
    linear-gradient(rgba(7, 28, 26, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 28, 26, .025) 1px, transparent 1px),
    var(--hj-paper);
  background-size: 48px 48px;
  font-family: var(--hj-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: var(--hj-scroll-progress, 0%);
  height: 3px;
  content: "";
  pointer-events: none;
  background: var(--hj-signal);
}

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

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

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

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

:focus-visible {
  outline: 3px solid rgba(33, 87, 213, .55);
  outline-offset: 3px;
}

::selection {
  color: var(--hj-ink);
  background: var(--hj-signal);
}

.hjopt-wrap {
  width: min(calc(100% - (var(--hj-gutter) * 2)), var(--hj-max));
  margin-inline: auto;
}

.hjopt-topbar {
  color: rgba(255, 255, 255, .78);
  background: var(--hj-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.hjopt-topbar .hjopt-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  gap: 24px;
}

.hjopt-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--hj-line);
  background: rgba(255, 254, 250, .94);
  backdrop-filter: blur(16px);
}

.hjopt-header::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  width: clamp(80px, 15vw, 220px);
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--hj-signal), var(--hj-teal));
}

.hjopt-header__inner {
  display: flex;
  align-items: center;
  min-height: 82px;
  gap: 28px;
}

.hjopt-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 12px;
}

.hjopt-brand__logo {
  width: 46px;
  height: 46px;
  padding: 6px;
  border: 1px solid var(--hj-line);
  background: var(--hj-white);
  object-fit: contain;
  transition: transform .25s ease, border-color .25s ease;
}

.hjopt-brand:hover .hjopt-brand__logo {
  transform: translateY(-2px) rotate(-2deg);
  border-color: var(--hj-teal);
}

.hjopt-brand span {
  display: grid;
  gap: 1px;
}

.hjopt-brand strong {
  font-size: 16px;
  line-height: 1.1;
  letter-spacing: .1em;
}

.hjopt-brand small {
  color: var(--hj-teal-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .2em;
}

.hjopt-nav {
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  margin-left: auto;
  gap: 3px;
}

.hjopt-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 11px;
  color: #29423f;
  font-size: 13px;
  font-weight: 750;
}

.hjopt-nav a::before {
  position: absolute;
  right: 10px;
  bottom: 4px;
  left: 10px;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--hj-teal);
  transition: transform .22s ease;
}

.hjopt-nav a:hover::before,
.hjopt-nav a[aria-current="page"]::before {
  transform: scaleX(1);
  transform-origin: left;
}

.hjopt-header__cta,
.hjopt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--hj-ink);
  border-radius: 0;
  color: var(--hj-white);
  background: var(--hj-ink);
  box-shadow: 5px 5px 0 var(--hj-signal);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .035em;
  transition: transform .2s ease, box-shadow .2s ease, color .2s ease, background .2s ease;
}

.hjopt-header__cta::after,
.hjopt-btn::after {
  margin-left: 12px;
  content: "↗";
  font-size: 16px;
}

.hjopt-header__cta:hover,
.hjopt-btn:hover {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--hj-signal);
}

.hjopt-btn--outline {
  color: var(--hj-ink);
  background: transparent;
  box-shadow: none;
}

.hjopt-btn--outline:hover {
  color: var(--hj-white);
  background: var(--hj-ink);
  box-shadow: none;
}

.hjopt-menu-button {
  display: none;
  min-width: 74px;
  min-height: 42px;
  border: 1px solid var(--hj-ink);
  color: var(--hj-ink);
  background: transparent;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hjopt-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--hj-line);
  background:
    radial-gradient(circle at 12% 24%, rgba(214, 255, 72, .3), transparent 24%),
    radial-gradient(circle at 86% 72%, rgba(13, 141, 127, .12), transparent 28%),
    var(--hj-paper);
}

.hjopt-hero::before {
  position: absolute;
  top: 80px;
  left: -20px;
  content: "ENERGY / 01";
  transform: rotate(-90deg) translateX(-100%);
  transform-origin: left top;
  color: rgba(7, 28, 26, .16);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .35em;
}

.hjopt-hero__inner {
  display: grid;
  align-items: center;
  min-height: 680px;
  padding-block: clamp(70px, 9vw, 118px);
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
  gap: clamp(48px, 7vw, 100px);
}

.hjopt-hero__copy {
  position: relative;
  z-index: 1;
}

.hjopt-eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 22px;
  color: var(--hj-teal-dark);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.hjopt-eyebrow::before {
  width: 32px;
  height: 3px;
  margin-right: 12px;
  content: "";
  background: var(--hj-signal);
  box-shadow: 0 0 0 1px rgba(7, 28, 26, .18);
}

.hjopt-hero h1,
.hjopt-page-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--hj-serif);
  font-size: clamp(48px, 5.7vw, 53px);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.045em;
}

.hjopt-hero__copy > p {
  max-width: 680px;
  margin: 30px 0 0;
  color: #425753;
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.72;
}

.hjopt-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 34px;
  gap: 16px;
}

.hjopt-hero__visual {
  position: relative;
  align-self: stretch;
  min-height: 520px;
  padding: 18px 18px 0 0;
}

.hjopt-hero__visual::before {
  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  width: 46%;
  height: 56%;
  content: "";
  background: var(--hj-signal);
}

.hjopt-hero__visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: min(450px, 53vw);
  border: 1px solid rgba(7, 28, 26, .12);
  box-shadow: var(--hj-shadow);
  object-fit: cover;
}

.hjopt-hero__specs {
  position: relative;
  z-index: 2;
  display: grid;
  width: calc(100% - 36px);
  margin: -38px 0 0 36px;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
  box-shadow: var(--hj-shadow-soft);
  grid-template-columns: repeat(3, 1fr);
}

.hjopt-hero__specs div {
  min-width: 0;
  padding: 19px;
}

.hjopt-hero__specs div + div {
  border-left: 1px solid var(--hj-line);
}

.hjopt-hero__specs strong,
.hjopt-hero__specs span {
  display: block;
}

.hjopt-hero__specs strong {
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: .04em;
}

.hjopt-hero__specs span {
  overflow: hidden;
  color: var(--hj-muted);
  font-size: 11px;
  line-height: 1.45;
  text-overflow: ellipsis;
}

.hjopt-trustbar {
  color: var(--hj-white);
  background: var(--hj-ink);
}

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

.hjopt-trustbar article {
  position: relative;
  min-height: 148px;
  padding: 34px clamp(22px, 3vw, 42px);
  border-right: 1px solid rgba(255, 255, 255, .12);
}

.hjopt-trustbar article:first-child {
  border-left: 1px solid rgba(255, 255, 255, .12);
}

.hjopt-trustbar article::after {
  position: absolute;
  right: 18px;
  bottom: 14px;
  content: "＋";
  color: var(--hj-signal);
  font-size: 18px;
}

.hjopt-trustbar strong,
.hjopt-trustbar span {
  display: block;
}

.hjopt-trustbar strong {
  margin-bottom: 8px;
  font-family: var(--hj-serif);
  font-size: 20px;
  font-weight: 500;
}

.hjopt-trustbar span {
  color: rgba(255, 255, 255, .64);
  font-size: 13px;
  line-height: 1.55;
}

.hjopt-section {
  position: relative;
  padding-block: clamp(76px, 9vw, 128px);
}

.hjopt-section--ice {
  border-block: 1px solid var(--hj-line);
  background: rgba(223, 232, 226, .74);
}

.hjopt-section--dark {
  overflow: hidden;
  color: var(--hj-white);
  background:
    radial-gradient(circle at 100% 0, rgba(13, 141, 127, .28), transparent 34%),
    var(--hj-ink);
}

.hjopt-section-head {
  display: grid;
  align-items: end;
  margin-bottom: clamp(38px, 5vw, 68px);
  grid-template-columns: minmax(0, .95fr) minmax(280px, .55fr);
  gap: 40px;
}

.hjopt-section-head h2,
.hjopt-copy h2,
.hjopt-cta h2,
.hjopt-contact-card h2,
.hjopt-faq-module h2 {
  margin: 0;
  font-family: var(--hj-serif);
  font-size: clamp(36px, 4.2vw, 62px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -.035em;
}

.hjopt-section-head p {
  max-width: 580px;
  margin: 0;
  color: var(--hj-muted);
}

.hjopt-section--dark .hjopt-section-head p {
  color: rgba(255, 255, 255, .62);
}

.hjopt-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.hjopt-product-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
  box-shadow: 0 0 0 transparent;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.hjopt-product-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  content: "";
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  background: var(--hj-signal);
}

.hjopt-product-card:hover {
  z-index: 2;
  transform: translateY(-7px);
  border-color: rgba(13, 141, 127, .65);
  box-shadow: var(--hj-shadow-soft);
}

.hjopt-product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-bottom: 1px solid var(--hj-line);
  background: #e7ece7;
  object-fit: cover;
  transition: transform .55s cubic-bezier(.2, .65, .25, 1);
}

.hjopt-product-card:hover img {
  transform: scale(1.035);
}

.hjopt-product-card__body {
  padding: 24px;
}

.hjopt-product-card h3,
.hjopt-news-card h3,
.hjopt-news-card h4 {
  margin: 0 0 10px;
  font-family: var(--hj-serif);
  font-size: 23px;
  font-weight: 500;
  line-height: 1.15;
}

.hjopt-product-card p,
.hjopt-news-card p {
  margin: 0;
  color: var(--hj-muted);
  font-size: 14px;
}

.hjopt-split {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(50px, 8vw, 120px);
}

.hjopt-split__image {
  width: 100%;
  min-height: 500px;
  border: 1px solid var(--hj-line);
  box-shadow: -20px 20px 0 var(--hj-signal);
  object-fit: cover;
}

.hjopt-copy h2 {
  max-width: 15ch;
  margin-bottom: 24px;
}

.hjopt-copy > p {
  margin: 0 0 22px;
  color: var(--hj-muted);
  font-size: 17px;
}

.hjopt-check-list {
  display: grid;
  margin: 30px 0;
  border-top: 1px solid var(--hj-line);
}

.hjopt-check-list div {
  position: relative;
  padding: 15px 12px 15px 38px;
  border-bottom: 1px solid var(--hj-line);
  font-weight: 750;
}

.hjopt-check-list div::before {
  position: absolute;
  left: 6px;
  color: var(--hj-teal);
  content: "↳";
  font-weight: 900;
}

.hjopt-process {
  display: grid;
  counter-reset: hj-process;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.hjopt-process article {
  position: relative;
  min-height: 300px;
  padding: 34px 26px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-right: 0;
  counter-increment: hj-process;
  transition: background .25s ease;
}

.hjopt-process article:last-child {
  border-right: 1px solid rgba(255, 255, 255, .14);
}

.hjopt-process article:hover {
  background: rgba(214, 255, 72, .07);
}

.hjopt-process article::before {
  display: block;
  margin-bottom: 58px;
  color: var(--hj-signal);
  content: "0" counter(hj-process);
  font-family: var(--hj-serif);
  font-size: 34px;
}

.hjopt-process article > span {
  display: none;
}

.hjopt-process h3 {
  margin: 0 0 12px;
  font-family: var(--hj-serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.15;
}

.hjopt-process p {
  margin: 0;
  color: rgba(122, 43, 43, 0.568);
  font-size: 13px;
  font-weight: 500;
}

.hjopt-app-grid {
  display: grid;
  counter-reset: hj-app;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.hjopt-app-card {
  position: relative;
  min-height: 250px;
  padding: 34px;
  border: 1px solid var(--hj-line);
  background: rgba(255, 254, 250, .78);
  counter-increment: hj-app;
  transition: transform .25s ease, background .25s ease;
}

.hjopt-app-card::before {
  display: block;
  margin-bottom: 58px;
  color: var(--hj-teal);
  content: "/ 0" counter(hj-app);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
}

.hjopt-app-card:hover {
  transform: translateY(-5px);
  background: var(--hj-white);
}

.hjopt-app-card h3 {
  margin: 0 0 10px;
  font-family: var(--hj-serif);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.1;
}

.hjopt-app-card p {
  margin: 0;
  color: var(--hj-muted);
  font-size: 14px;
}

.hjopt-news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.hjopt-news-card {
  overflow: hidden;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
  transition: transform .25s ease, box-shadow .25s ease;
}

.hjopt-news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--hj-shadow-soft);
}

.hjopt-news-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--hj-line);
  background: var(--hj-mist);
  object-fit: cover;
}

.hjopt-news-card__body {
  padding: 24px;
}

.hjopt-news-card time,
.hjopt-news__date {
  display: block;
  margin-bottom: 10px;
  color: var(--hj-teal-dark);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hjopt-news-card h3 a:hover,
.hjopt-news-card h4 a:hover {
  color: var(--hj-teal-dark);
}

.hjopt-cta {
  padding-block: clamp(56px, 7vw, 90px);
  color: var(--hj-white);
  background: var(--hj-teal-dark);
}

.hjopt-cta__inner {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
}

.hjopt-cta h2 {
  max-width: 18ch;
}

.hjopt-cta p {
  max-width: 720px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .72);
}

.hjopt-cta .hjopt-btn {
  color: var(--hj-ink);
  border-color: var(--hj-signal);
  background: var(--hj-signal);
  box-shadow: 5px 5px 0 rgba(7, 28, 26, .55);
}

.hjopt-footer {
  padding-top: 76px;
  color: rgba(255, 255, 255, .7);
  background: #041311;
}

.hjopt-footer__grid {
  display: grid;
  padding-bottom: 64px;
  grid-template-columns: 1.5fr 1fr .8fr 1.2fr;
  gap: clamp(28px, 5vw, 72px);
}

.hjopt-footer strong {
  color: var(--hj-white);
  font-family: var(--hj-serif);
  font-size: 26px;
  font-weight: 500;
}

.hjopt-footer h3 {
  margin: 4px 0 18px;
  color: var(--hj-signal);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hjopt-footer p,
.hjopt-footer a {
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
}

.hjopt-footer nav {
  display: grid;
  align-items: start;
  gap: 9px;
}

.hjopt-footer a:hover {
  color: var(--hj-white);
}

.hjopt-footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .48);
  font-size: 11px;
  letter-spacing: .04em;
}

.hjopt-footer-linkList,
.hjopt-footer-linkList ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hjopt-footer-linkList {
  display: grid;
  gap: 9px;
}

.hjopt-footer-linkList ul {
  display: none;
}

.hjopt-footer-linkList > li {
  position: relative;
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 8px;
}

.hjopt-footer-linkList > li > a {
  display: block;
  padding-block: 5px;
}

.hjopt-footer-submenu-toggle {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 2px;
  color: var(--hj-signal);
  background: transparent;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.hjopt-footer-submenu-toggle:hover,
.hjopt-footer-submenu-toggle[aria-expanded="true"] {
  border-color: var(--hj-signal);
  background: rgba(214, 255, 72, .08);
}

.hjopt-footer-submenu-toggle span {
  transition: transform .15s ease;
}

.hjopt-footer-submenu-toggle[aria-expanded="true"] span {
  transform: rotate(45deg);
}

.hjopt-footer-linkList > li > .hjopt-footer-linkList_level2 {
  position: absolute;
  z-index: 45;
  bottom: 100%;
  left: 0;
  display: block;
  width: 310px;
  max-width: calc(100vw - var(--hj-gutter) * 2);
  max-height: min(360px, calc(100dvh - 110px));
  margin: 0;
  padding: 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid rgba(255, 255, 255, .24);
  border-top: 3px solid var(--hj-signal);
  border-radius: 3px;
  background: #0b2925;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.hjopt-footer-linkList > li.opens-down > .hjopt-footer-linkList_level2 {
  top: 100%;
  bottom: auto;
}

.hjopt-footer-linkList > li.is-submenu-open > .hjopt-footer-linkList_level2,
.hjopt-footer-linkList > li:not(.hjopt-submenu-enhanced):focus-within > .hjopt-footer-linkList_level2 {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.hjopt-footer-linkList_level2 > li + li {
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.hjopt-footer-linkList_level2 > li > a {
  display: block;
  padding: 10px 12px;
  color: rgba(255, 255, 255, .88);
  line-height: 1.5;
}

.hjopt-footer-linkList_level2 > li > a:hover,
.hjopt-footer-linkList_level2 > li > a:focus-visible {
  color: var(--hj-signal);
  background: rgba(255, 255, 255, .06);
}

@media (hover: hover) and (pointer: fine) {
  .hjopt-footer-linkList > li:not(.hjopt-submenu-enhanced):hover > .hjopt-footer-linkList_level2 {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

@media (max-width: 640px) {
  .hjopt-footer-submenu-toggle { width: 44px; height: 44px; }
  .hjopt-footer-linkList > li > a { padding-block: 10px; }
}

.hjopt-page-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(68px, 9vw, 118px);
  border-bottom: 1px solid var(--hj-line);
  background:
    linear-gradient(115deg, rgba(214, 255, 72, .32), transparent 34%),
    radial-gradient(circle at 95% 10%, rgba(13, 141, 127, .16), transparent 32%),
    var(--hj-paper);
}

.hjopt-page-hero::after {
  position: absolute;
  right: -8vw;
  bottom: -10vw;
  width: 34vw;
  height: 34vw;
  border: 1px solid rgba(7, 28, 26, .1);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 4vw rgba(7, 28, 26, .025), 0 0 0 8vw rgba(7, 28, 26, .02);
}

.hjopt-page-hero .hjopt-wrap {
  position: relative;
  z-index: 1;
}

.hjopt-page-hero h1 {
  max-width: 18ch;
  font-size: clamp(44px, 5vw, 72px);
}

.hjopt-page-hero p {
  max-width: 780px;
  margin: 24px 0 0;
  color: #425753;
  font-size: 18px;
}

.hjopt-breadcrumb {
  margin-bottom: 24px;
  color: var(--hj-teal-dark);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hjopt-breadcrumb a:hover {
  text-decoration: underline;
}

.hjopt-category-nav {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--hj-line);
  gap: 2px;
}

.hjopt-category-nav button,
.hjopt-filterBtn {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--hj-line);
  border-bottom: 0;
  color: var(--hj-ink-soft);
  background: rgba(255, 254, 250, .62);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.hjopt-category-nav button:hover,
.hjopt-category-nav button.is-active {
  color: var(--hj-white);
  border-color: var(--hj-teal-dark);
  background: var(--hj-teal-dark);
}

.hjopt-empty {
  display: none !important;
}

.hjopt-contact-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(280px, .76fr) minmax(0, 1.24fr);
  gap: clamp(28px, 6vw, 86px);
}

.hjopt-contact-card {
  position: sticky;
  top: 120px;
  padding: clamp(30px, 4vw, 48px);
  color: var(--hj-white);
  background: var(--hj-ink);
  box-shadow: 12px 12px 0 var(--hj-signal);
}

.hjopt-contact-card h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 52px);
}

.hjopt-contact-card p {
  color: rgba(255, 255, 255, .65);
}

.hjopt-contact-list {
  display: grid;
  margin-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.hjopt-contact-list > div {
  padding-block: 17px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.hjopt-contact-list strong,
.hjopt-contact-list span {
  display: block;
}

.hjopt-contact-list strong {
  margin-bottom: 4px;
  color: var(--hj-signal);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hjopt-contact-list span {
  font-size: 14px;
}

.hjopt-form {
  display: grid;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
  box-shadow: var(--hj-shadow-soft);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.hjopt-form label {
  display: grid;
  gap: 8px;
  color: var(--hj-ink-soft);
  font-size: 12px;
  font-weight: 800;
}

.hjopt-form label.is-wide,
.hjopt-form button,
.hjopt-form [data-hjopt-status] {
  grid-column: 1 / -1;
}

.hjopt-form input,
.hjopt-form select,
.hjopt-form textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 0;
  border-bottom: 2px solid var(--hj-line);
  border-radius: 0;
  color: var(--hj-ink);
  background: #f6f6f1;
}

.hjopt-form input:focus,
.hjopt-form select:focus,
.hjopt-form textarea:focus {
  outline: 0;
  border-color: var(--hj-teal);
}

.hjopt-form textarea {
  min-height: 150px;
  resize: vertical;
}

.hjopt-form button {
  min-height: 52px;
  border: 0;
  color: var(--hj-white);
  background: var(--hj-teal-dark);
  font-weight: 850;
  cursor: pointer;
}

.hjopt-faq {
  display: grid;
  gap: 12px;
}

.hjopt-faq details {
  padding: 18px 20px;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
}

.hjopt-faq summary {
  font-family: var(--hj-serif);
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
}

.hjopt-faq p {
  margin: 14px 0 0;
  color: var(--hj-muted);
}

/* Dynamic knowledge and article templates */
.hjopt-overview {
  padding-block: 34px;
  border-bottom: 1px solid var(--hj-line);
  background: var(--hj-surface);
}

.hjopt-ai-overview {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
}

.hjopt-summary {
  position: relative;
  max-width: 850px;
  padding: 26px 28px 26px 56px;
  border-left: 4px solid var(--hj-signal);
  background: var(--hj-paper);
}

.hjopt-summary::before {
  position: absolute;
  top: 23px;
  left: 20px;
  color: var(--hj-teal);
  content: "◎";
  font-size: 20px;
}

.hjopt-summary > *:first-child {
  margin-top: 0;
}

.hjopt-summary > *:last-child {
  margin-bottom: 0;
}

.hjopt-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.hjopt-filterBtn {
  min-height: 34px;
  border-bottom: 1px solid var(--hj-line);
  background: transparent;
  cursor: default;
}

.hjopt-article-meta {
  border-bottom: 1px solid var(--hj-line);
  background: var(--hj-ink);
}

.hjopt-article-meta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}

.hjopt-article-meta__facts {
  display: flex;
  align-items: center;
}

.hjopt-article-meta__facts span {
  padding: 4px 20px;
  border-left: 1px solid rgba(255, 255, 255, .16);
  color: rgba(255, 255, 255, .7);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hjopt-article-meta__facts span:first-child {
  padding-left: 0;
  border-left: 0;
  color: var(--hj-signal);
}

.hjopt-article-meta__note {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, .58);
  font-size: 12px;
  text-align: right;
}

.hjopt-article-layout {
  display: grid;
  align-items: start;
  grid-template-columns: 255px minmax(0, 800px);
  justify-content: center;
  gap: clamp(42px, 7vw, 96px);
}

.hjopt-article-layout--no-toc {
  grid-template-columns: minmax(0, 800px);
}

.hjopt-article-toc {
  position: sticky;
  top: 112px;
  padding: 22px 0;
  border-block: 1px solid var(--hj-line);
}

.hjopt-article-toc strong {
  display: block;
  margin-bottom: 15px;
  color: var(--hj-teal-dark);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.hjopt-article-toc ol {
  display: grid;
  max-height: calc(100vh - 210px);
  margin: 0;
  padding: 0 0 0 21px;
  overflow: auto;
  gap: 10px;
}

.hjopt-article-toc li {
  color: var(--hj-muted);
  font-size: 12px;
  line-height: 1.4;
}

.hjopt-article-toc a:hover,
.hjopt-article-toc a.is-current {
  color: var(--hj-teal-dark);
}

.hjopt-article-content,
.hjpt-blog-single {
  min-width: 0;
  color: #263b38;
  font-size: 17px;
  line-height: 1.82;
  overflow-wrap: anywhere;
}

.hjopt-article-lead {
  margin: 0 0 36px;
  padding: 24px 26px;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
  box-shadow: 7px 7px 0 var(--hj-mist);
  color: var(--hj-ink-soft);
  font-family: var(--hj-serif);
  font-size: 21px;
  line-height: 1.55;
}

.hjopt-article-section {
  position: relative;
  padding: 34px 0 36px 54px;
  border-top: 1px solid var(--hj-line);
}

.hjopt-article-section::before {
  position: absolute;
  top: 38px;
  left: 0;
  color: var(--hj-teal);
  content: attr(data-section);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
}

.hjopt-article-section h2,
.hjopt-article-content > h2,
.hjpt-blog-single > h2 {
  margin: 0 0 16px;
  color: var(--hj-ink);
  font-family: var(--hj-serif);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -.025em;
}

.hjopt-article-content h3,
.hjpt-blog-single h3 {
  margin: 34px 0 12px;
  color: var(--hj-ink);
  font-family: var(--hj-serif);
  font-size: 27px;
  line-height: 1.2;
}

/* Imported article headings: scoped to content, never navigation or FAQ cards. */
.hjopt-article-section > h3 {
  margin: 32px 0 14px;
  color: var(--hj-ink);
  font-family: var(--hj-serif);
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -.02em;
}

.hjopt-article-content h4,
.hjpt-blog-single h4,
.hjopt-article-section > h4 {
  margin: 28px 0 12px;
  color: var(--hj-ink-soft);
  font-family: var(--hj-serif);
  font-size: clamp(21px, 2.1vw, 26px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.hjopt-article-content h5,
.hjpt-blog-single h5,
.hjopt-article-section > h5 {
  margin: 24px 0 10px;
  color: var(--hj-ink-soft);
  font-family: var(--hj-sans);
  font-size: clamp(18px, 1.7vw, 22px);
  font-weight: 600;
  line-height: 1.4;
}

.hjopt-article-section > h3:first-child,
.hjopt-article-section > h4:first-child,
.hjopt-article-section > h5:first-child {
  margin-top: 0;
}

.hjopt-article-section > h3 > a:hover,
.hjopt-article-section > h4 > a:hover,
.hjopt-article-section > h5 > a:hover {
  color: var(--hj-teal-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}

.hjopt-article-content p,
.hjpt-blog-single p {
  margin: 0 0 1.35em;
}

.hjopt-article-content ul,
.hjopt-article-content ol,
.hjpt-blog-single ul,
.hjpt-blog-single ol {
  margin: 0 0 1.6em;
  padding-left: 1.35em;
}

.hjopt-article-content img,
.hjpt-blog-single img {
  width: 100%;
  height: auto;
  margin: 34px 0;
  border: 1px solid var(--hj-line);
}

.hjopt-article-content .hjopt-article-cover {
  display: block;
  width: auto;
  max-width: min(100%, 400px);
  height: auto;
  margin: 0 auto 48px;
  object-fit: contain;
  background: var(--hj-mist);
}

.hjopt-article-disclosure {
  margin-top: 36px;
  padding: 20px 22px;
  border-left: 3px solid var(--hj-teal);
  color: var(--hj-muted);
  background: rgba(223, 232, 226, .58);
  font-size: 13px;
}

.hjopt-pdf-section {
  background: var(--hj-paper);
}

.hjopt-pdf-links {
  display: flex;
  justify-content: flex-end;
  padding-top: 24px;
}

.hjopt-pdf-links:empty,
.hjopt-pdf-link:empty {
  display: none;
}

.hjopt-pdf-link {
  margin: 0;
}

.hjopt-pdf-link a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
  font-size: 12px;
  font-weight: 800;
}

.hjopt-pdf-link a::before {
  margin-right: 9px;
  content: "PDF";
  color: var(--hj-teal-dark);
  font-size: 9px;
  letter-spacing: .12em;
}

.hjopt-faq-module {
  padding-block: clamp(58px, 7vw, 90px);
}

.hjopt-cta-section__title {
  max-width: 900px;
  margin-bottom: 34px !important;
  font-size: clamp(32px, 4vw, 54px) !important;
}

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

.faq-item {
  padding: 22px 24px;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
}

.faq-item h3 {
  margin: 0 0 10px;
  color: var(--hj-ink);
  font-family: var(--hj-serif);
  font-size: 21px;
  font-weight: 600;
}

.faq-answer p {
  margin: 0;
  color: var(--hj-muted);
}

.hjpt-blogGrid .hjopt-related-article,
.hjopt-related-article {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.hjpt-blog-news {
  overflow: hidden;
  border: 1px solid var(--hj-line);
  background: var(--hj-surface);
  transition: transform .25s ease, box-shadow .25s ease;
}

.hjpt-blog-news:hover {
  transform: translateY(-5px);
  box-shadow: var(--hj-shadow-soft);
}

.hjpt-blog-news > a {
  display: block;
}

.hjpt-blog-news img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--hj-line);
  background: var(--hj-mist);
  object-fit: cover;
}

.hjpt-gathering-text {
  padding: 24px;
}

.hjpt-news-ids {
  margin: 0 0 12px;
  font-family: var(--hj-serif);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.18;
}

.hjpt-gathering-text p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--hj-muted);
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.hjopt-card-faq {
  margin-top: 18px;
  border-top: 1px solid var(--hj-line);
}

.hjopt-card-faq summary {
  padding: 15px 0;
  color: var(--hj-teal-dark);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
}

.hjopt-card-faq[open] summary {
  border-bottom: 1px solid var(--hj-line);
}

.hjopt-card-faq__list {
  display: grid;
  gap: 0;
}

.hjopt-card-faq__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--hj-line);
}

.hjopt-card-faq__item h3 {
  margin: 0 0 8px;
  color: var(--hj-ink);
  font-family: var(--hj-serif);
  font-size: 18px;
  line-height: 1.3;
}

.hjpt-gathering-text .hjopt-card-faq__item p {
  display: block;
  margin: 0;
  overflow: visible;
  color: var(--hj-muted);
  -webkit-box-orient: initial;
  -webkit-line-clamp: unset;
}

.hjopt-card-faq__more {
  display: inline-flex;
  padding-top: 16px;
  color: var(--hj-teal-dark);
  font-size: 12px;
  font-weight: 800;
}

.opt-search-hint {
  grid-column: 1 / -1;
  padding: 36px;
  border: 1px dashed var(--hj-line);
  text-align: center;
}

.iht {
  margin: 0 0 18px;
  font-family: var(--hj-serif);
  font-size: 36px;
  font-weight: 500;
}

.hjopt-insightLinks {
  padding-block: clamp(58px, 7vw, 88px);
}

.hjopt-section-insightLinks {
  display: flex;
  align-items: center;
  margin-bottom: 28px;
  gap: 20px;
}

.hjopt-section-insightLinks::after {
  height: 1px;
  content: "";
  background: var(--hj-line);
  flex: 1;
}

.hjopt-section-insightLinks h2 {
  margin: 0;
  font-family: var(--hj-serif);
  font-size: 36px;
  font-weight: 500;
}

.hjpt-lists {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
}

.hjpt-lists li {
  border-top: 1px solid var(--hj-line);
}

.hjpt-lists a {
  display: flex;
  align-items: center;
  min-height: 62px;
  color: var(--hj-ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.hjpt-lists a::before {
  margin-right: 12px;
  color: var(--hj-teal);
  content: "↗";
}

.hjpt-lists a:hover {
  color: var(--hj-teal-dark);
}

.ytb {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}

@media (max-width: 1100px) {
  .hjopt-header__cta { display: none; }
  .hjopt-nav a { padding-inline: 8px; }
  .hjopt-hero__inner { min-height: auto; grid-template-columns: minmax(0, 1fr) minmax(370px, .86fr); gap: 46px; }
  .hjopt-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hjopt-process { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hjopt-process article:nth-child(3) { border-right: 1px solid rgba(255, 255, 255, .14); }
  .hjopt-process article { min-height: 250px; }
  .hjopt-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .hjopt-footer__grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .hjopt-topbar { display: none; }
  .hjopt-header__inner { min-height: 72px; }
  .hjopt-menu-button { display: inline-flex; align-items: center; justify-content: center; margin-left: auto; }
  .hjopt-menu-button[aria-expanded="true"] { color: var(--hj-white); background: var(--hj-ink); }
  body.hjopt-menu-open { overflow: hidden; }
  body.hjopt-menu-open::before { position: fixed; z-index: 90; inset: 72px 0 0; content: ""; background: rgba(7, 28, 26, .58); backdrop-filter: blur(3px); }
  .hjopt-nav { position: fixed; z-index: 110; top: 72px; right: 0; left: 0; display: none; width: 100%; max-height: calc(100dvh - 72px); padding: 20px var(--hj-gutter) 26px; overflow-y: auto; border: 0; border-bottom: 3px solid var(--hj-signal); background: var(--hj-surface); box-shadow: 0 24px 46px rgba(7, 28, 26, .22); grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
  .hjopt-nav.is-open { display: grid; }
  .hjopt-nav a { justify-content: space-between; min-height: 54px; padding-inline: 4px; border-bottom: 1px solid var(--hj-line); font-size: 14px; }
  .hjopt-nav a::after { color: var(--hj-teal); content: "↗"; font-size: 15px; }
  .hjopt-nav a::before { display: none; }
  .hjopt-hero__inner { grid-template-columns: 1fr; }
  .hjopt-hero__copy { max-width: 720px; }
  .hjopt-hero h1 { max-width: 14ch; }
  .hjopt-hero__visual { min-height: 0; }
  .hjopt-hero__visual img { height: min(520px, 68vw); }
  .hjopt-trustbar__grid { grid-template-columns: repeat(2, 1fr); }
  .hjopt-section-head, .hjopt-split, .hjopt-contact-grid, .hjopt-cta__inner { grid-template-columns: 1fr; }
  .hjopt-split__image { min-height: 420px; box-shadow: -12px 12px 0 var(--hj-signal); }
  .hjopt-app-grid, .hjopt-news-grid, .hjpt-blogGrid .hjopt-related-article, .hjopt-related-article { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hjopt-contact-card, .hjopt-article-toc { position: static; }
  .hjopt-article-layout { grid-template-columns: 1fr; }
  .hjopt-article-toc ol { max-height: none; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hjopt-article-meta__inner { align-items: flex-start; flex-direction: column; padding-block: 18px; }
  .hjopt-article-meta__note { text-align: left; }
}

@media (max-width: 620px) {
  :root { --hj-gutter: 18px; }
  body { font-size: 15px; }
  .hjopt-header__inner { gap: 12px; }
  .hjopt-header .hjopt-brand { flex: 1 1 auto; min-width: 0; }
  .hjopt-header .hjopt-brand > span { min-width: 0; }
  .hjopt-header .hjopt-brand__logo { flex: 0 0 40px; }
  .hjopt-header .hjopt-brand strong { letter-spacing: .04em; }
  .hjopt-menu-button { flex: 0 0 auto; }
  .hjopt-brand__logo { width: 40px; height: 40px; }
  .hjopt-brand strong { font-size: 14px; }
  .hjopt-brand small { letter-spacing: .13em; }
  .hjopt-nav { column-gap: 18px; }
  .hjopt-hero__inner { padding-block: 58px 70px; }
  .hjopt-hero h1, .hjopt-page-hero h1 { font-size: clamp(42px, 13vw, 58px); }
  .hjopt-hero__visual { padding: 10px 10px 0 0; }
  .hjopt-hero__visual img { height: 78vw; }
  .hjopt-hero__specs { width: calc(100% - 14px); margin: -20px 0 0 14px; grid-template-columns: 1fr; }
  .hjopt-hero__specs div { padding: 14px; }
  .hjopt-hero__specs div + div { border-top: 1px solid var(--hj-line); border-left: 0; }
  .hjopt-trustbar__grid, .hjopt-product-grid, .hjopt-app-grid, .hjopt-news-grid, .hjopt-process, .hjpt-blogGrid .hjopt-related-article, .hjopt-related-article, .hjpt-lists, .hjopt-footer__grid { grid-template-columns: 1fr; }
  .hjopt-trustbar article, .hjopt-trustbar article:first-child { min-height: 118px; border-right: 1px solid rgba(255, 255, 255, .12); border-bottom: 1px solid rgba(255, 255, 255, .12); border-left: 1px solid rgba(255, 255, 255, .12); }
  .hjopt-section-head { gap: 20px; }
  .hjopt-section-head h2, .hjopt-copy h2, .hjopt-cta h2 { font-size: 38px; }
  .hjopt-process article, .hjopt-process article:nth-child(3), .hjopt-process article:last-child { min-height: 210px; border: 1px solid rgba(255, 255, 255, .14); border-bottom: 0; }
  .hjopt-process article:last-child { border-bottom: 1px solid rgba(255, 255, 255, .14); }
  .hjopt-process article::before, .hjopt-app-card::before { margin-bottom: 34px; }
  .hjopt-form { grid-template-columns: 1fr; }
  .hjopt-form label, .hjopt-form button, .hjopt-form [data-hjopt-status] { grid-column: 1; }
  .hjopt-article-meta__facts { align-items: flex-start; flex-direction: column; }
  .hjopt-article-meta__facts span { padding: 4px 0; border-left: 0; }
  .hjopt-article-toc ol { grid-template-columns: 1fr; }
  .hjopt-article-section { padding-left: 0; }
  .hjopt-article-section::before { position: static; display: block; margin-bottom: 12px; }
  .hjopt-ai-overview { grid-template-columns: 1fr; }
  .hjopt-tags { justify-content: flex-start; }
  .hjopt-footer__grid > div:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}