/* site palette */
html:root {
    --bg: #F8F5F0;
    --surface: #FFFFFF;
    --surface-alt: #EAF5F3;
    --text: #2E271D;
    --text-muted: #72685A;
    --border: #E4DFD8;
    --primary: #236055;
    --primary-hover: #19463E;
    --on-primary: #FFFFFF;
    --primary-text: #236055;
    --accent: #CB485F;
    --on-accent: #FFFFFF;
    --accent-text: #C63851;
    --dark-band: #13352F;
    --on-dark: #FFFFFF;
    --on-dark-muted: #C3BEB6;
    --brand-btn-bg: #FFFFFF;
    --brand-btn-text: #13352F;
    --section-alt-bg: linear-gradient(154deg, #EAF5F3 0%, #F2F5F1 100%);
    --dark-band-bg: linear-gradient(156deg, #13352F 0%, #1B4B42 100%);
    --brand-band-bg: #236055;
    --hero-bg: linear-gradient(156deg, #13352F 0%, #1B4B42 100%);
}

/* /site palette */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vollkorn', serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    margin: 0;
    padding: 0;
}

.text-muted {
    color: var(--text-muted) !important;
}

@keyframes pulse_chip {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.03);
        opacity: 0.92;
    }
}

@keyframes marching_ants {
    0% {
        stroke-dashoffset: 0;
        background-position: 0 0, 100% 100%, 0 100%, 100% 0;
    }

    100% {
        stroke-dashoffset: 24;
        background-position: 24px 0, calc(100% - 24px) 100%, 0 calc(100% - 24px), 100% 24px;
    }
}

.km-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    background-color: var(--surface-alt);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    animation: pulse_chip 3s ease-in-out infinite;
    margin-bottom: 1rem;
}

.km-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.km-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--surface-alt);
    color: var(--primary-text);
    border: 1px solid var(--border);
}

.km-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 8px;
    background-color: var(--surface-alt);
    color: var(--primary);
    flex-shrink: 0;
}

.km-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary);
    color: var(--on-primary);
    border: 1px solid transparent;
    padding: 0.875rem 1.75rem;
    font-family: 'Vollkorn', serif;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.km-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 8px 20px -2px rgba(25, 70, 62, 0.3);
}

.km-btn:active {
    transform: translateY(0) scale(0.99);
}

.km-btn-alt {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: var(--primary-text);
    border: 1.5px solid var(--primary);
    padding: 0.875rem 1.75rem;
    font-family: 'Vollkorn', serif;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.km-btn-alt:hover {
    background-color: var(--surface-alt);
    color: var(--primary-hover);
    transform: translateY(-2px);
}

.km-card {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: clamp(1.5rem, 2.5vw, 2.5rem);
    box-shadow: 0 4px 14px -2px rgba(46, 39, 29, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.km-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px -4px rgba(46, 39, 29, 0.12), 0 4px 8px -2px rgba(46, 39, 29, 0.04);
}

.km-media {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 8px;
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.km-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.km-section {
    background-color: var(--bg);
    padding-top: clamp(4.5rem, 8vw, 7.5rem);
    padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
    padding-left: clamp(1.25rem, 4vw, 3.5rem);
    padding-right: clamp(1.25rem, 4vw, 3.5rem);
}

.km-section-alt {
    background: var(--section-alt-bg, var(--surface-alt));
    padding-top: clamp(4.5rem, 8vw, 7.5rem);
    padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
    padding-left: clamp(1.25rem, 4vw, 3.5rem);
    padding-right: clamp(1.25rem, 4vw, 3.5rem);
}

.km-section-dark {
    background: var(--dark-band-bg, var(--dark-band));
    color: var(--on-dark);
    padding-top: clamp(4.5rem, 8vw, 7.5rem);
    padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
    padding-left: clamp(1.25rem, 4vw, 3.5rem);
    padding-right: clamp(1.25rem, 4vw, 3.5rem);
}

.km-section-brand {
    background-color: var(--brand-band-bg, var(--primary));
    color: var(--on-primary);
    padding-top: clamp(4.5rem, 8vw, 7.5rem);
    padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
    padding-left: clamp(1.25rem, 4vw, 3.5rem);
    padding-right: clamp(1.25rem, 4vw, 3.5rem);
}

.km-section-brand .km-btn {
    background-color: var(--brand-btn-bg, #FFFFFF);
    color: var(--brand-btn-text, #13352F);
    font-weight: 700;
}

.km-section-brand .km-btn:hover {
    background-color: var(--bg, #F8F5F0);
    color: var(--brand-btn-text, #13352F);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.2);
}

.km-section-brand .km-btn-alt {
    border-color: var(--on-primary);
    color: var(--on-primary);
}

.km-section-brand .km-btn-alt:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--on-primary);
}

.km-on-dark,
.km-section-dark {
    color: var(--on-dark);
}

.km-on-dark h1,
.km-on-dark h2,
.km-on-dark h3,
.km-on-dark .km-title,
.km-section-dark h1,
.km-section-dark h2,
.km-section-dark h3,
.km-section-dark .km-title {
    color: var(--on-dark);
}

.km-on-dark p,
.km-section-dark p {
    color: var(--on-dark-muted);
}

.km-on-dark .km-eyebrow,
.km-section-dark .km-eyebrow {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--on-dark);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.km-on-dark .km-btn-alt,
.km-section-dark .km-btn-alt {
    border-color: var(--on-dark);
    color: var(--on-dark);
}

.km-on-dark .km-btn-alt:hover,
.km-section-dark .km-btn-alt:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--on-dark);
}

.km-on-dark .km-card,
.km-section-dark .km-card {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.km-on-dark .km-card h1,
.km-on-dark .km-card h2,
.km-on-dark .km-card h3,
.km-on-dark .km-card .km-title,
.km-section-dark .km-card h1,
.km-section-dark .km-card h2,
.km-section-dark .km-card h3,
.km-section-dark .km-card .km-title {
    color: var(--text);
}

.km-on-dark .km-card p,
.km-section-dark .km-card p {
    color: var(--text-muted);
}

/* ===== header ===== */
.site-header-block {
    font-family: 'Vollkorn', serif;
}

.site-header-block .site-header-dropdown-menu.is-open {
    display: block;
}

.site-header-block .site-header-mobile-drawer.is-open {
    display: block;
}

.site-header-block .site-header-mobile-subitems.is-open {
    display: flex;
}

.site-header-block .site-header-dropdown-btn[aria-expanded="true"] .js-dropdown-icon {
    transform: rotate(180deg);
}

.site-header-block .js-mobile-acc-trigger[aria-expanded="true"] .js-mobile-acc-icon {
    transform: rotate(180deg);
}

/* ===== hero ===== */
.hero-fieldbook-scope {
    background-color: var(--bg);
}

.hero-fieldbook-scope__blob {
    animation: floatBlob 10s ease-in-out infinite alternate;
}

@keyframes floatBlob {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(4px, -6px) scale(1.02);
    }
}

.hero-fieldbook-scope__geo-square {
    animation: rotateSquare 14s linear infinite;
}

@keyframes rotateSquare {
    0% {
        transform: rotate(12deg);
    }

    50% {
        transform: rotate(35deg);
    }

    100% {
        transform: rotate(12deg);
    }
}

.hero-fieldbook-scope__stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

@media (max-width: 767px) {
    .hero-fieldbook-scope .grid {
        grid-template-columns: 1fr;
    }
}

/* ===== scope_traces ===== */
.scope-traces-block {
    background-color: var(--bg);
    color: var(--text);
}

.scope-traces-block .km-eyebrow {
    letter-spacing: 0.05em;
}

.scope-traces-block .js-trace-tab.active-tab {
    background-color: #FFFFFF;
    color: #236055;
    border-bottom-color: transparent;
}

@media (min-width: 768px) {
    .scope-traces-block .js-trace-tab.active-tab {
        border-top: 3px solid #236055;
    }
}

.scope-traces-block .scope-notebook {
    background-color: var(--surface);
    border-color: var(--border);
}

.scope-traces-block .km-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scope-traces-block .km-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(46, 39, 29, 0.08);
}

@media (max-width: 767px) {
    .scope-traces-block .scope-notebook .grid {
        display: flex;
        flex-direction: column;
    }
}

/* ===== featured_case ===== */
.case-study-block .case-tab-btn.active {
    background-color: #EAF5F3;
    color: #236055;
    border-color: #236055;
}

.case-study-block .case-tab-btn:not(.active):hover {
    background-color: #F8F5F0;
}

/* ===== comparison_table ===== */
.st-comparison-section .st-comparison-container {
    border-color: var(--border);
    background-color: var(--surface);
}

.st-comparison-section .st-compare-row:focus-within {
    outline: 2px solid var(--primary);
}

@media (max-width: 767px) {
    .st-comparison-section .st-compare-row {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* ===== short_form ===== */
.st-inquiry-section .st-form-card {
    position: relative;
    background-color: var(--surface, #FFFFFF);
}

.st-inquiry-section .st-input {
    border: 1px solid var(--border, #E4DFD8);
    background-color: #FFFFFF;
    color: var(--text, #2E271D);
}

.st-inquiry-section .st-input:focus {
    border-color: var(--primary, #236055);
}

.st-inquiry-section .st-input::placeholder {
    color: var(--text-muted, #72685A);
    opacity: 0.85;
}

.st-inquiry-section .st-checkbox {
    accent-color: var(--primary, #236055);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.st-inquiry-section .st-submit-btn {
    cursor: pointer;
    background-color: var(--primary, #236055);
    color: var(--on-primary, #FFFFFF);
}

.st-inquiry-section .st-submit-btn:hover {
    background-color: var(--primary-hover, #19463E);
}

@media (max-width: 767px) {
    .st-inquiry-section .st-form-card {
        padding: 1.25rem;
    }
}

/* ===== key_benefits ===== */
.km-key-benefits {
    font-family: var(--font_family_base, 'Vollkorn', serif);
}

.km-key-benefits .km-card {
    word-break: break-word;
    overflow-wrap: anywhere;
}

@media (max-width: 767px) {
    .km-key-benefits .grid {
        grid-template-columns: 1fr;
    }
}

/* ===== interactive_tour ===== */
.field-tour-section .js-tour-tab {
    background-color: var(--surface);
    color: var(--text-muted);
    border-color: var(--border);
}

.field-tour-section .js-tour-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.field-tour-section .js-tour-tab.active {
    background-color: var(--primary);
    color: var(--on-primary);
    border-color: var(--primary);
    box-shadow: 0 4px 12px -2px rgba(35, 96, 85, 0.25);
}

.field-tour-section .notebook-binding-edge {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: repeating-linear-gradient(to bottom, var(--primary) 0, var(--primary) 8px, transparent 8px, transparent 16px);
    opacity: 0.25;
    border-top-left-radius: 12px;
    border-bottom-left-radius: 12px;
}

.field-tour-section .field-stage-card,
.field-tour-section .field-notebook-panel {
    min-height: 480px;
}

@media (max-width: 767px) {

    .field-tour-section .field-stage-card,
    .field-tour-section .field-notebook-panel {
        min-height: auto;
    }
}

/* ===== quantity_context ===== */
.km-section-brand h2,
.km-section-brand h3 {
    hyphens: auto;
    word-break: break-word;
}

/* ===== grid ===== */
.st-case-grid-block .km-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 4px 14px -2px rgba(46, 39, 29, 0.05);
}

.st-case-grid-block .km-card:hover {
    box-shadow: 0 16px 32px -4px rgba(46, 39, 29, 0.12), 0 4px 8px -2px rgba(46, 39, 29, 0.04);
}

.st-case-grid-block .line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 767px) {
    .st-case-grid-block .grid {
        grid-template-columns: 1fr;
    }
}

/* ===== footer ===== */
.st-footer {
    font-family: 'Vollkorn', Georgia, serif;
}

.st-footer .st-footer-disclosure {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.st-footer .st-footer-disclosure:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.25);
}

.st-footer .st-footer-link {
    text-decoration: none;
    transition: transform 0.2s ease, color 0.2s ease;
}

.st-footer .st-footer-link:hover {
    transform: translateX(2px);
}

.st-footer a {
    overflow-wrap: anywhere;
}

@media (max-width: 767px) {
    .st-footer .st-footer-disclosure {
        padding: 1rem;
    }
}

.site-header-block {
    font-family: 'Vollkorn', serif;
}

.site-header-block .site-header-dropdown-menu.is-open {
    display: block;
}

.site-header-block .site-header-mobile-drawer.is-open {
    display: block;
}

.site-header-block .site-header-mobile-subitems.is-open {
    display: flex;
}

.site-header-block .site-header-dropdown-btn[aria-expanded="true"] .js-dropdown-icon {
    transform: rotate(180deg);
}

.site-header-block .js-mobile-acc-trigger[aria-expanded="true"] .js-mobile-acc-icon {
    transform: rotate(180deg);
}

.st-footer {
    font-family: 'Vollkorn', Georgia, serif;
}

.st-footer .st-footer-disclosure {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.st-footer .st-footer-disclosure:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.25);
}

.st-footer .st-footer-link {
    text-decoration: none;
    transition: transform 0.2s ease, color 0.2s ease;
}

.st-footer .st-footer-link:hover {
    transform: translateX(2px);
}

.st-footer a {
    overflow-wrap: anywhere;
}

.category-listing-block {
    font-family: 'Vollkorn', serif;
}

.category-listing-block .category-listing-block__card {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.category-listing-block .category-listing-block__card:hover {
    transform: translateY(-4px);
}

@media (max-width: 767px) {
    .st-footer .st-footer-disclosure {
        padding: 1rem;
    }

    .category-listing-block .category-listing-block__grid {
        grid-template-columns: 1fr;
    }
}


/* ===== PAGE: about ===== */
.about-guide-block .active-tab { background-color: var(--primary, #236055); color: #ffffff; border-color: var(--primary, #236055); } .about-guide-block .js-faq-btn svg.rotate-180 { transform: rotate(180deg); }

/* ===== PAGE: brand-support ===== */
.scope-scenario-block .js-step-btn.is-active{border-color:var(--primary);background:var(--surface);box-shadow:0 4px 14px -2px rgba(46,39,29,.08)}.scope-scenario-block .js-step-btn.is-active .km-icon{background:var(--primary);color:var(--on-primary)}.scope-scenario-block .js-step-btn:not(.is-active) .km-icon{background:var(--surface-alt);color:var(--primary)}.scope-scenario-block .js-scenario-panel{animation:fadeInStep .3s ease-in-out}@keyframes fadeInStep{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (max-width:767px){.scope-scenario-block table thead{display:none}.scope-scenario-block table,.scope-scenario-block table tbody,.scope-scenario-block table tr,.scope-scenario-block table td{display:block;width:100%}.scope-scenario-block table tr{padding:8px 0;border-bottom:1px solid var(--border)}.scope-scenario-block table td{padding:4px 0;text-align:left}}

/* ===== PAGE: contact ===== */
.contact-page-section {
  background-color: var(--bg);
  font-family: var(--font_family_base, 'Vollkorn', serif);
}

.contact-page-section .contact-input {
  background-color: #ffffff;
  color: var(--text);
  border-color: var(--border);
}

.contact-page-section .contact-input::placeholder {
  color: #8c8273;
  opacity: 1;
}

.contact-page-section .contact-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(35, 96, 85, 0.12);
}

.contact-page-section .contact-checkbox {
  accent-color: var(--primary);
}

@media (max-width: 767px) {
  .contact-page-section h2 {
    font-size: 16px;
    hyphens: auto;
  }
  .contact-page-section h3 {
    font-size: 14px;
    hyphens: auto;
  }
}

/* ===== PAGE: privacy ===== */
.privacy-content-block a.js-toc-link.active {
  color: var(--primary);
  background-color: var(--surface-alt);
  font-weight: 600;
}

.privacy-content-block .km-card {
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.privacy-content-block .km-card:hover {
  border-color: rgba(35, 96, 85, 0.3);
  box-shadow: 0 10px 25px -5px rgba(46, 39, 29, 0.08);
}

@media (max-width: 767px) {
  .privacy-content-block aside.sticky {
    position: static;
  }
}

/* ===== PAGE: terms ===== */
.terms-content-block .js-nav-link.active {
  background-color: var(--surface-alt);
  color: var(--primary);
  font-weight: 600;
}
.terms-content-block article.is-hidden {
  display: none;
}
.terms-content-block mark {
  background-color: #fef08a;
  color: #1f2937;
  padding: 0 2px;
  border-radius: 2px;
}

/* ===== PAGE: disclaimer ===== */
.st-disclaimer input::placeholder {
  color: var(--text-muted);
  opacity: 0.85;
}
.st-disclaimer .st-disclaimer-item.is-active {
  border-color: var(--primary);
  box-shadow: 0 4px 14px -2px rgba(46, 39, 29, 0.08);
}
.st-disclaimer .st-disclaimer-item {
  overflow-wrap: anywhere;
}

.comment-card {
    box-sizing: border-box
}

.comment-avatar {
    width: 2.75rem;
    min-width: 2.75rem;
    height: 2.75rem;
    object-fit: cover
}

.comment-body p {
    color: #2E271D;
    font-family: 'Vollkorn', serif
}

.comment-btn {
    transition: color .2s ease, background-color .2s ease
}

.reply-comment {
    box-sizing: border-box
}

.reply-comment .comment-avatar {
    width: 2.25rem;
    min-width: 2.25rem;
    height: 2.25rem;
    object-fit: cover
}

.reply-comment .comment-body p {
    color: #2E271D;
    font-family: 'Vollkorn', serif
}


/* ===== PAGE TEMPLATE: photo-articles, estimate-guides, case-examples, methodology-guides ===== */
.site-header-block {
    font-family: 'Vollkorn', serif;
}

.site-header-block .site-header-dropdown-menu.is-open {
    display: block;
}

.site-header-block .site-header-mobile-drawer.is-open {
    display: block;
}

.site-header-block .site-header-mobile-subitems.is-open {
    display: flex;
}

.site-header-block .site-header-dropdown-btn[aria-expanded="true"] .js-dropdown-icon {
    transform: rotate(180deg);
}

.site-header-block .js-mobile-acc-trigger[aria-expanded="true"] .js-mobile-acc-icon {
    transform: rotate(180deg);
}

.st-footer {
    font-family: 'Vollkorn', Georgia, serif;
}

.st-footer .st-footer-disclosure {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.st-footer .st-footer-disclosure:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.25);
}

.st-footer .st-footer-link {
    text-decoration: none;
    transition: transform 0.2s ease, color 0.2s ease;
}

.st-footer .st-footer-link:hover {
    transform: translateX(2px);
}

.st-footer a {
    overflow-wrap: anywhere;
}

.article-content-flow h2.section-accent-heading {
    overflow-wrap: anywhere;
}

.article-content-flow .comment-btn.is-active {
    color: #236055;
}

.article-content-flow .comment-btn.is-active svg {
    fill: currentColor;
}

@media (max-width: 767px) {
    .st-footer .st-footer-disclosure {
        padding: 1rem;
    }

    .article-content-flow table,
    .article-content-flow tbody,
    .article-content-flow tr,
    .article-content-flow td {
        word-break: break-word;
    }
}

/* mobile-text-guard */
@media (max-width: 767px) {
  h1, h2, h3, h4, h5, h6, p, li, dt, dd, blockquote, figcaption, td, th, label {
    overflow-wrap: anywhere;
  }
  a, button, .btn {
    overflow-wrap: anywhere;
    white-space: normal;
  }
  img, video, iframe {
    max-width: 100%;
  }
}