/* --- BRAND & LOGO --- */
.brand {
   display: inline-flex;
   align-items: center;
   text-decoration: none;
   line-height: 0;
}

.brand img {
   height: 2.1rem;
   width: auto;
   max-width: 40vw;
   display: block;
}

.footer-brand img {
   height: 2.5rem;
   width: auto;
   max-width: 60vw;
   display: block;
   margin: 0 auto;
}

/* --- SITE HEADER (One-line desktop layout, centered logo with split nav) --- */
.site-header {
   position: relative;
   background-color: var(--ground);
   border-bottom: 1px solid var(--line);
   z-index: 100;
   width: 100%;
}

.header-inner {
   display: flex;
   align-items: center;
   justify-content: space-between;
   height: 64px;
}

@media (min-width: 1120px) {
   .header-inner {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 2rem;
      height: 72px;
   }
}

.header-nav-group { display: none; }

@media (min-width: 1120px) {
   .header-nav-group {
      display: flex;
      align-items: center;
      gap: 2.25rem;
      list-style: none;
      margin: 0;
      padding: 0;
   }

   .header-nav-group--left { justify-content: flex-start; }

   .header-nav-group--right { justify-content: flex-end; }
}

.header-link {
   font-family: var(--hopu-4fe);
   font-size: var(--text-sm);
   font-weight: 500;
   color: var(--ink);
   text-decoration: none;
   padding: 0.5rem 0.25rem;
   position: relative;
   transition: color var(--duration-fast) var(--ease-standard);
}

.header-link:hover { color: var(--accent); }

.header-link:active { color: var(--ink); }

.header-link:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 3px;
}

.header-link[aria-current='page'] {
   color: var(--accent);
   font-weight: 700;
}

.header-link[aria-current='page']::after {
   content: "";
   position: absolute;
   bottom: 0;
   left: 0;
   right: 0;
   height: 2px;
   background-color: var(--accent);
}

/* --- IN-PAGE SECTION STRIP (Desktop only, pinned during reading run) --- */
.section-strip { display: none; }

@media (min-width: 1120px) {
   .section-strip {
      display: block;
      position: sticky;
      top: 0;
      z-index: 90;
      background-color: var(--ground);
      border-bottom: 1px solid var(--line);
      height: var(--strip-height);
   }

   .section-strip-inner {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 3rem;
      height: 100%;
      margin: 0;
      padding: 0;
      list-style: none;
   }

   .section-strip-link {
      font-family: var(--hopu-c67);
      font-size: var(--text-xs);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
      color: var(--ink-soft);
      text-decoration: none;
      padding: 0.35rem 0.5rem;
      position: relative;
      transition: color var(--duration-fast) var(--ease-standard);
   }

   .section-strip-link:hover { color: var(--ink); }

   .section-strip-link:active { color: var(--accent); }

   .section-strip-link:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
   }

   .section-strip-link[aria-current='true'],
   .section-strip-link.is-active {
      color: var(--accent);
      font-weight: 700;
   }

   .section-strip-link[aria-current='true']::after,
   .section-strip-link.is-active::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--accent);
   }
}

/* --- MOBILE BOTTOM DOCK (Pinned to bottom edge, under 72px) --- */
.phone-dock {
   display: flex;
   position: fixed;
   inset: auto 0 0 0;
   height: calc(var(--dock-height) + env(safe-area-inset-bottom, 0px));
   padding-bottom: env(safe-area-inset-bottom, 0px);
   background-color: var(--surface);
   border-top: 1px solid var(--line);

   z-index: 800;
   width: 100%;
}

@media (min-width: 1120px) {
   .phone-dock { display: none !important; }
}

.dock-item {
   flex: 1 1 0;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   gap: 0.25rem;
   min-height: 44px;
   padding: 0.35rem 0.25rem;
   color: var(--ink-soft);
   text-decoration: none;
   appearance: none;
   background: none;
   border: 0;
   font: inherit;
   cursor: pointer;
   transition: background-color var(--duration-fast) var(--ease-standard),
                     color var(--duration-fast) var(--ease-standard);
}

.dock-item .icon {
   width: 1.35rem;
   height: 1.35rem;
}

.dock-label {
   font-family: var(--hopu-4fe);
   font-size: 0.6875rem;
   font-weight: 500;
   line-height: 1;
   white-space: nowrap;
}

.dock-item:hover {
   background-color: var(--surface-2);
   color: var(--ink);
}

.dock-item:active {
   background-color: var(--line);
   color: var(--ink);
}

.dock-item:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: -2px;
}

.dock-item[aria-current='page'],
.dock-item.is-active {
   color: var(--accent);
   font-weight: 700;
}

/* --- MOBILE NAVIGATION DRAWER / PANEL --- */
.nav-panel {
   display: none;
   position: fixed;
   inset: 0 0 0 0;
   background-color: rgba(39, 41, 43, 0.6);
   z-index: 900;
   backdrop-filter: blur(4px);
}

.nav-panel.is-open { display: block; }

.nav-panel-sheet {
   position: absolute;
   bottom: 0;
   left: 0;
   right: 0;
   max-height: 85vh;
   overflow-y: auto;
   background-color: var(--ground);
   border-top: 1px solid var(--line);
   padding: 1.5rem var(--gutter) calc(var(--dock-height) + env(safe-area-inset-bottom, 0px) + 1rem);
   box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
}

.nav-panel-header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   border-bottom: 1px solid var(--line);
   padding-bottom: 1rem;
   margin-bottom: 1.5rem;
}

.nav-panel-title {
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   text-transform: uppercase;

   letter-spacing: var(--tracking-wide);
   color: var(--ink-soft);

}

.nav-panel-close {
   appearance: none;
   background: var(--surface);
   border: 1px solid var(--line);
   color: var(--ink);
   min-height: 44px;
   min-width: 44px;
   display: inline-flex;
   align-items: center;
   justify-content: center;
   cursor: pointer;
   padding: 0.5rem;
   transition: background-color var(--duration-fast) var(--ease-standard),
                     border-color var(--duration-fast) var(--ease-standard);
}

.nav-panel-close:hover {
   background-color: var(--surface-2);
   border-color: var(--ink);
}

.nav-panel-close:active { background-color: var(--line); }

.nav-panel-close:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.nav-panel-list {
   list-style: none;
   margin: 0 0 2rem 0;
   padding: 0;
   display: flex;
   flex-direction: column;
   gap: 0.5rem;
}

.nav-panel-link {
   display: block;
   font-family: var(--hopu-87a);
   font-size: var(--text-xl);
   font-weight: 700;
   color: var(--ink);
   text-decoration: none;
   padding: 0.75rem 0;
   border-bottom: 1px solid var(--surface-2);
   transition: color var(--duration-fast) var(--ease-standard);
}

.nav-panel-link:hover { color: var(--accent); }

.nav-panel-link:active { color: var(--ink); }

.nav-panel-link:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.nav-panel-link[aria-current='page'] { color: var(--accent); }

.nav-panel-sections {
   margin-top: 1.5rem;
   border-top: 1px solid var(--line);
   padding-top: 1.25rem;
}

.nav-panel-sections-title {
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink-soft);
   margin-bottom: 0.75rem;
}

.nav-panel-sections-list {
   list-style: none;
   margin: 0;
   padding: 0;
   display: flex;
   flex-direction: column;
   gap: 0.5rem;
}

.nav-panel-section-link {
   display: block;
   font-size: var(--text-sm);
   color: var(--ink-soft);
   text-decoration: none;
   padding: 0.35rem 0;
}

.nav-panel-section-link:hover { color: var(--accent); }

/* --- BUTTONS --- */
.btn {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   gap: 0.5rem;
   font-family: var(--hopu-4fe);
   font-size: var(--text-sm);
   font-weight: 500;
   line-height: 1.2;
   text-decoration: none;
   padding: 0.85rem 1.75rem;
   min-height: 48px;
   cursor: pointer;
   border: 1px solid transparent;
   background: none;
   transition: background-color var(--duration-fast) var(--ease-standard),
                     color var(--duration-fast) var(--ease-standard),
                     border-color var(--duration-fast) var(--ease-standard),
                     transform var(--duration-fast) var(--ease-standard);
}

.btn-primary {
   background-color: var(--accent);
   color: var(--accent-ink);
   border-color: var(--accent);
}

.btn-primary:hover {
   background-color: #266972;
   border-color: #266972;
   color: var(--accent-ink);
}

.btn-primary:active {
   background-color: #1E5259;
   border-color: #1E5259;
   transform: translateY(1px);
}

.btn-primary:focus-visible {
   outline: 2px solid var(--ink);
   outline-offset: 2px;
}

.btn-secondary {
   background-color: var(--surface);
   color: var(--ink);
   border-color: var(--line);
}

.btn-secondary:hover {
   background-color: var(--surface-2);
   border-color: var(--ink);
   color: var(--ink);
}

.btn-secondary:active {
   background-color: var(--line);
   transform: translateY(1px);
}

.btn-secondary:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.btn-ghost {
   background-color: transparent;
   color: var(--ink);
   border-color: var(--line);
}

.btn-ghost:hover {
   background-color: var(--surface);
   border-color: var(--ink);
}

.btn-ghost:active {
   background-color: var(--surface-2);
   transform: translateY(1px);
}

.btn-ghost:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

/* --- CARDS & BLOCKS (Strict Swiss: 0px radius, 1px rules) --- */
.card {
   background-color: var(--surface);
   border: 1px solid var(--line);
   padding: clamp(1.25rem, 3vw, 2.25rem);
   display: flex;
   flex-direction: column;
   position: relative;
}

.card-title {
   font-family: var(--hopu-87a);
   font-size: var(--text-xl);
   font-weight: 700;
   margin-bottom: 0.75rem;
}

.card-price-band {
   font-family: var(--hopu-c67);
   font-size: var(--text-lg);
   font-weight: 500;
   color: var(--ink);
   margin-bottom: 1rem;
   padding-bottom: 0.75rem;
   border-bottom: 1px solid var(--line);
}

.card-body {
   font-size: var(--text-base);
   color: var(--ink-soft);
   margin-bottom: 1.5rem;
   flex-grow: 1;
}

.form-group {
   margin-bottom: 1.5rem;
   display: flex;
   flex-direction: column;
}

.form-group:last-child { margin-bottom: 0; }

.form-label {
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink);
   margin-bottom: 0.5rem;
   font-weight: 500;
}

.form-label .optional {
   text-transform: none;
   font-family: var(--hopu-4fe);
   color: var(--ink-soft);
   font-weight: 400;
}

.form-control {
   width: 100%;
   min-height: 46px;
   padding: 0.65rem 0.85rem;
   background-color: var(--ground);
   border: 1px solid var(--line);
   color: var(--ink);
   font-family: var(--hopu-4fe);
   font-size: var(--text-base);
   border-radius: 0;
   transition: border-color var(--duration-fast) var(--ease-standard),
                     background-color var(--duration-fast) var(--ease-standard);
}

.form-control:hover { border-color: var(--ink); }

.form-control:focus {
   border-color: var(--accent);
   outline: 2px solid var(--accent);
   outline-offset: 1px;
}

.form-control:active { background-color: var(--surface); }

.form-control.is-invalid { border-color: #B91C1C; }

textarea.form-control {
   min-height: 120px;
   resize: vertical;
}

select.form-control {
   cursor: pointer;
   appearance: none;
   background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2327292B' stroke-width='2' stroke-linecap='square'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
   background-repeat: no-repeat;
   background-position: right 0.85rem center;
   background-size: 1rem;
   padding-right: 2.5rem;
}

.form-error {
   font-size: var(--text-xs);
   color: #B91C1C;
   margin-top: 0.35rem;
   display: none;
}

.form-error.is-visible { display: block; }

.form-checkbox-label {
   display: grid;
   grid-template-columns: 1.25rem 1fr;
   gap: 0.75rem;
   align-items: start;
   font-size: var(--text-sm);
   color: var(--ink-soft);
   cursor: pointer;
}

.form-checkbox-label input[type='checkbox'] {
   width: 1.25rem;
   height: 1.25rem;
   margin: 0.15rem 0 0 0;
   accent-color: var(--accent);
   cursor: pointer;
}

.form-status {
   padding: 1rem;
   margin-top: 1.25rem;
   border: 1px solid var(--line);
   background-color: var(--surface);
   font-size: var(--text-sm);
   display: none;
}

.form-status.is-success {
   display: block;
   border-color: var(--accent);
   background-color: var(--surface);
   color: var(--ink);
}

.form-status.is-error {
   display: block;
   border-color: #B91C1C;
   background-color: #FEF2F2;
   color: #991B1B;
}

.spec-table-wrap {
   width: 100%;
   overflow-x: auto;
   border: 1px solid var(--line);
   background-color: var(--surface);
   margin: 1.5rem 0;
}

.spec-table {
   width: 100%;
   border-collapse: collapse;
   text-align: left;
   font-size: var(--text-sm);
}

.spec-table th,
.spec-table td {
   padding: 0.85rem 1.15rem;
   border-bottom: 1px solid var(--line);
   vertical-align: top;
}

.spec-table th {
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   font-weight: 500;
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink);
   background-color: var(--surface-2);
}

.spec-table tr:last-child td { border-bottom: 0; }

.spec-table tbody tr:hover { background-color: var(--ground); }

.site-footer {
   background-color: var(--surface);
   border-top: 1px solid var(--line);
   padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
   text-align: center;
}

.footer-content {
   max-width: 680px;
   margin: 0 auto;
   display: flex;
   flex-direction: column;
   align-items: center;
   gap: 2rem;
}

.footer-facts {
   font-size: var(--text-sm);
   line-height: 1.6;
   color: var(--ink-soft);
}

.footer-facts a {
   color: var(--ink);
   font-weight: 500;
   display: inline-block;
   min-height: 44px;
   line-height: 44px;
}

.footer-facts a:hover { color: var(--accent); }

.footer-nav {
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
   gap: 1.5rem 2rem;
   list-style: none;
   margin: 0;
   padding: 0;
}

.footer-link {
   font-family: var(--hopu-4fe);
   font-size: var(--text-sm);
   color: var(--ink);
   text-decoration: none;
   display: inline-flex;
   align-items: center;
   min-height: 44px;
   padding: 0.5rem 0.25rem;
   transition: color var(--duration-fast) var(--ease-standard);
}

.footer-link:hover { color: var(--accent); }

.footer-link:active { color: var(--ink); }

.footer-link:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.footer-legal-row {
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
   gap: 0.85rem 1.25rem;
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   color: var(--ink-soft);
   border-top: 1px solid var(--line);
   padding-top: 1.75rem;
   width: 100%;
}

.footer-legal-link {
   color: var(--ink-soft);
   text-decoration: none;
   transition: color var(--duration-fast) var(--ease-standard);
}

.footer-legal-link:hover {
   color: var(--ink);
   text-decoration: underline;
}

.footer-legal-link:active { color: var(--accent); }

.footer-legal-link:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.footer-reopen-consent {
   appearance: none;
   background: none;
   border: 0;
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   color: var(--ink-soft);
   text-decoration: underline;
   cursor: pointer;
   padding: 0;
   transition: color var(--duration-fast) var(--ease-standard);
}

.footer-reopen-consent:hover { color: var(--ink); }

.footer-reopen-consent:active { color: var(--accent); }

.footer-reopen-consent:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

/* --- COOKIE CONSENT BANNER (Compact docked bar, under 20% viewport) --- */
.consent-bar {
   position: fixed;
   bottom: calc(var(--dock-height) + env(safe-area-inset-bottom, 0px));
   left: 0;
   right: 0;
   z-index: 850;
   background-color: var(--ground);
   border-top: 1px solid var(--line);
   padding: 0.85rem var(--gutter);
   box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
   display: none;
}

@media (min-width: 1120px) {
   .consent-bar {
      bottom: 0;
      padding: 0.95rem var(--gutter);
   }
}

.consent-bar.is-visible { display: block; }

.consent-bar-inner {
   max-width: var(--shell-max);
   margin: 0 auto;
   display: flex;
   flex-direction: column;
   gap: 0.75rem;
}

@media (min-width: 768px) {
   .consent-bar-inner {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
   }
}

.consent-copy {
   font-size: var(--text-xs);
   line-height: 1.45;
   color: var(--ink);
   margin: 0;
}

.consent-copy a {
   color: var(--ink);
   text-decoration: underline;
}

.consent-copy a:hover { color: var(--accent); }

.consent-actions {
   display: flex;
   align-items: center;
   gap: 0.5rem;
   flex-shrink: 0;
}

.btn-consent {
   padding: 0.45rem 0.95rem;
   min-height: 38px;
   font-family: var(--hopu-4fe);
   font-size: var(--text-xs);
   font-weight: 500;
   border: 1px solid var(--line);
   cursor: pointer;
   border-radius: 0;
   transition: background-color var(--duration-fast) var(--ease-standard),
                     border-color var(--duration-fast) var(--ease-standard),
                     color var(--duration-fast) var(--ease-standard);
}

.btn-consent-allow {
   background-color: var(--accent);
   color: var(--accent-ink);
   border-color: var(--accent);
}

.btn-consent-allow:hover {
   background-color: #266972;
   border-color: #266972;
}

.btn-consent-allow:active { background-color: #1E5259; }

.btn-consent-allow:focus-visible {
   outline: 2px solid var(--ink);
   outline-offset: 2px;
}

.btn-consent-decline {
   background-color: var(--surface);
   color: var(--ink);
   border-color: var(--line);
}

.btn-consent-decline:hover {
   background-color: var(--surface-2);
   border-color: var(--ink);
}

.btn-consent-decline:active { background-color: var(--line); }

.btn-consent-decline:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.chat-launcher {
   position: fixed;
   bottom: calc(var(--dock-height) + env(safe-area-inset-bottom, 0px) + 12px);
   right: 1rem;
   z-index: 840;
   width: 50px;
   height: 50px;
   min-height: 50px;
   min-width: 50px;
   border-radius: 0;
   background-color: var(--ink);
   color: var(--accent-ink);
   border: 1px solid var(--ink);
   display: inline-flex;
   align-items: center;
   justify-content: center;
   cursor: pointer;
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
   transition: background-color var(--duration-fast) var(--ease-standard),
                     border-color var(--duration-fast) var(--ease-standard),
                     transform var(--duration-fast) var(--ease-standard);
}

@media (min-width: 1120px) {
   .chat-launcher {
      bottom: 1.5rem;
      right: 1.5rem;
      width: 54px;
      height: 54px;
   }
}

.chat-launcher:hover {
   background-color: var(--accent);
   border-color: var(--accent);
}

.chat-launcher:active {
   background-color: #1E5259;
   transform: translateY(1px);
}

.chat-launcher:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.chat-launcher .icon {
   width: 1.4rem;
   height: 1.4rem;
}

.chat-launcher-badge {
   position: absolute;
   top: -4px;
   right: -4px;
   background-color: var(--accent);
   color: var(--accent-ink);
   font-family: var(--hopu-c67);
   font-size: 0.65rem;
   font-weight: 700;
   min-width: 18px;
   height: 18px;
   display: flex;
   align-items: center;
   justify-content: center;
   border: 1px solid var(--accent-ink);
}

.chat-panel {
   display: none;
   position: fixed;
   bottom: calc(var(--dock-height) + env(safe-area-inset-bottom, 0px) + 70px);
   right: 1rem;
   width: calc(100vw - 2rem);
   max-width: 360px;
   height: 480px;
   max-height: calc(100vh - var(--dock-height) - 100px);
   max-height: calc(100svh - var(--dock-height) - 100px);
   background-color: var(--ground);
   border: 1px solid var(--line);
   box-shadow: 0 8px 30px rgba(0, 0, 0, 0.16);
   z-index: 860;
   flex-direction: column;
}

@media (min-width: 1120px) {
   .chat-panel {
      bottom: 5.5rem;
      right: 1.5rem;
      max-height: 540px;
   }
}

.chat-panel.is-open { display: flex; }

.chat-header {
   padding: 0.85rem 1rem;
   background-color: var(--surface);
   border-bottom: 1px solid var(--line);
   display: flex;
   align-items: center;
   justify-content: space-between;
}

.chat-header-title {
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink);
   font-weight: 500;
}

.chat-close-btn {
   appearance: none;
   background: none;
   border: 0;
   color: var(--ink);
   cursor: pointer;
   padding: 0.25rem;
   display: inline-flex;
   align-items: center;
   justify-content: center;
   min-width: 32px;
   min-height: 32px;
   transition: color var(--duration-fast) var(--ease-standard);
}

.chat-close-btn:hover { color: var(--accent); }

.chat-close-btn:active { color: var(--ink); }

.chat-close-btn:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 1px;
}

.chat-messages {
   flex-grow: 1;
   overflow-y: auto;
   padding: 1rem;
   display: flex;
   flex-direction: column;
   gap: 0.85rem;
   background-color: var(--ground);
}

.chat-msg {
   max-width: 85%;
   padding: 0.65rem 0.85rem;
   font-size: var(--text-sm);
   line-height: 1.45;
   border: 1px solid var(--line);
}

.chat-msg--bot,
.chat-msg--operator {
   align-self: flex-start;
   background-color: var(--surface);
   color: var(--ink);
}

.chat-msg--user {
   align-self: flex-end;
   background-color: var(--surface-2);
   color: var(--ink);
}

.chat-form {
   border-top: 1px solid var(--line);
   padding: 0.75rem;
   background-color: var(--surface);
}

.chat-input-row {
   display: flex;
   gap: 0.5rem;
}

.chat-input {
   flex-grow: 1;
   min-height: 40px;
   padding: 0.5rem 0.65rem;
   font-size: var(--text-sm);
   border: 1px solid var(--line);
   background-color: var(--ground);
   color: var(--ink);
   border-radius: 0;
}

.chat-input:focus {
   outline: 2px solid var(--accent);
   border-color: var(--accent);
}

.chat-send-btn {
   appearance: none;
   background-color: var(--accent);
   color: var(--accent-ink);
   border: 1px solid var(--accent);
   min-height: 40px;
   min-width: 44px;
   padding: 0 0.85rem;
   cursor: pointer;
   display: inline-flex;
   align-items: center;
   justify-content: center;
   transition: background-color var(--duration-fast) var(--ease-standard);
}

.chat-send-btn:hover { background-color: #266972; }

.chat-send-btn:active { background-color: #1E5259; }

.chat-send-btn:focus-visible { outline: 2px solid var(--ink); }

/* --- PER-UNIT ESTIMATOR COMPONENT (plants.html) --- */
.estimator-box {
   background-color: var(--surface);
   border: 1px solid var(--line);
   padding: clamp(1.5rem, 4vw, 2.5rem);
   margin: 2.5rem 0;
}

.estimator-grid {
   display: grid;
   grid-template-columns: 1fr;
   gap: 1.5rem;
   margin-top: 1.5rem;
}

@media (min-width: 768px) {
   .estimator-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.estimator-output-panel {
   background-color: var(--ground);
   border: 1px solid var(--line);
   padding: 1.5rem;
   margin-top: 1.5rem;
}

.estimator-output-label {
   font-family: var(--hopu-c67);
   font-size: var(--text-xs);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink-soft);
   margin-bottom: 0.5rem;
}

.estimator-output-figure {
   font-family: var(--hopu-87a);
   font-size: var(--text-2xl);
   font-weight: 700;
   color: var(--ink);
   margin-bottom: 0.5rem;
}

.estimator-output-note {
   font-size: var(--text-xs);
   color: var(--ink-soft);
   line-height: 1.5;
}