.site-header { position: relative; z-index: 10; border-bottom: 1px solid var(--sena-stone); background: var(--sena-cal); }
.header-inner { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; font-weight: 700; letter-spacing: .09em; text-decoration: none; }
.brand-mark { display: grid; width: 2.15rem; aspect-ratio: 1; place-items: center; border: 1px solid var(--sena-charcoal); font-family: var(--font-display); font-size: 1.35rem; }
.brand-name { display: flex; flex-direction: column; line-height: 1; }
.brand-name small { margin-top: .3rem; color: var(--sena-graphite); font-size: .6875rem; letter-spacing: .2em; }
.hero { min-height: calc(100svh - 5rem); display: grid; align-items: center; padding-block: clamp(4.5rem, 8vw, 8rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(3rem, 6vw, 6rem); align-items: center; }
.hero-copy { max-width: 36rem; }
.hero-copy h1 { margin-bottom: 1.65rem; }
.problem { background: var(--sena-white); }
.problem h2 { margin-bottom: 1.75rem; }
.problem h2, .contexts h2, .conversation h2 { max-width: 21ch; }
.comparison { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: stretch; margin-top: clamp(3rem, 6vw, 5rem); border-block: 1px solid var(--sena-stone); }
.comparison article { padding-block: 2.5rem; }
.comparison-index, .needs-grid span { color: var(--sena-moss); font-size: .8125rem; font-weight: 700; letter-spacing: .14em; }
.comparison-mark { display: grid; place-items: center; color: var(--sena-graphite); font-family: var(--font-display); font-size: 3rem; }
.transition-copy { margin: 3rem auto 0; font-family: var(--font-display); font-size: clamp(1.5rem, 2.5vw, 2.2rem); line-height: 1.25; text-align: center; }
.discovery { padding-block: var(--sena-section-large); }
.discovery-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(20rem, 4fr); gap: clamp(4rem, 9vw, 9rem); align-items: center; }
.media-placeholder--tall .media-slot__surface { min-height: 36rem; }
.media-placeholder--tall .discovery-media img { width: 100%; min-height: 36rem; aspect-ratio: 3 / 4; object-fit: cover; }
.experience, .evidence { background: var(--sena-charcoal); color: var(--sena-white); }
.tour-shell { position: relative; overflow: hidden; border: 1px solid #59605b; border-radius: var(--sena-radius-lg); background: #111412; aspect-ratio: 16 / 10; }
.tour-shell img { width: 100%; height: 100%; object-fit: cover; opacity: .65; }
.tour-poster__media { height: 100%; }
.tour-poster__media img { aspect-ratio: 16 / 10; }
.tour-status { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 1rem; padding: 2rem; background: rgba(24,27,25,.34); text-align: center; }
.tour-status__label { margin-bottom: .25rem; border-bottom: 1px solid rgba(252,251,248,.55); padding-bottom: .35rem; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.tour-status strong { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3.5rem); font-weight: 400; }
.tour-status p { margin: 0 auto; color: #e6e4de; font-size: .9rem; }
.experience-note { margin: 2.5rem auto 0; color: #e2e5df; font-family: var(--font-display); font-size: clamp(1.5rem, 2.5vw, 2.2rem); text-align: center; }
.editorial-gallery { display: grid; grid-template-columns: 1.25fr .95fr .7fr; gap: 1.25rem; align-items: end; }
.gallery-entry .media-slot__surface { min-height: 34rem; }
.gallery-room .media-slot__surface { min-height: 27rem; }
.gallery-detail .media-slot__surface { min-height: 20rem; }
.gallery-entry .gallery-card__media img { min-height: 34rem; }
.gallery-room .gallery-card__media img { min-height: 27rem; }
.gallery-detail .gallery-card__media img { min-height: 20rem; }
.value { background: var(--sena-white); }
.value, .contexts, .method, .faq { padding-block: clamp(4rem, 8vw, 8rem); }
.principles, .method-list { margin: 0; padding: 0; list-style: none; }
.principles { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid var(--sena-stone); }
.principles li { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; padding: 2.5rem 2rem; }
.principles li + li { border-left: 1px solid var(--sena-stone); }
.principles span, .method-list span { color: var(--sena-moss); font-size: .75rem; font-weight: 700; letter-spacing: .14em; }
.value-outcomes { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 2rem; margin-top: clamp(3rem,6vw,5rem); padding-top: 2rem; border-top: 1px solid var(--sena-stone); }
.value-outcomes h3 { margin: 0; font-family: var(--font-display); font-weight: 500; }
.value-outcomes ul { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem 2rem; margin: 0; padding: 0; list-style: none; }
.value-outcomes li { color: var(--sena-graphite); }
.value-microcopy { margin: 2rem 0 0; font-family: var(--font-display); font-size: clamp(1.25rem,2vw,1.6rem); line-height: 1.4; }
.value-disclaimer { max-width: 54rem; margin: 1.5rem 0 0; color: var(--sena-graphite); font-size: .9375rem; }
.needs-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 1.25rem 2.5rem; }
.needs-grid article { grid-column: span 6; min-height: 10rem; padding: 1.75rem 0; border-top: 1px solid var(--sena-stone); }
.needs-grid .needs-grid__primary { grid-column: span 8; min-height: 13rem; padding-top: 2.5rem; }
.needs-grid .needs-grid__complementary { grid-column: span 6; min-height: 8rem; }
.needs-grid h3 { margin-top: 2.4rem; }
.needs-grid__primary h3 { max-width: 24ch; font-family: var(--font-display); font-size: clamp(1.65rem,3vw,2.4rem); font-weight: 500; }
.contexts-question, .faq-transition, .evidence-transition { max-width: 44rem; margin: clamp(2.5rem,5vw,4.5rem) 0 0; font-family: var(--font-display); font-size: clamp(1.5rem,2.5vw,2.2rem); line-height: 1.3; }
.case-placeholder { display: grid; grid-template-columns: 1.25fr .75fr; min-height: 32rem; border: 1px solid #59605b; }
.case-placeholder__media { display: block; min-width: 0; background: var(--sena-moss); }
.case-placeholder__media img { width: 100%; height: 100%; object-fit: cover; }
.case-placeholder__copy { align-self: end; padding: clamp(2rem,5vw,4rem); }
.case-placeholder__copy .eyebrow { color: #bec7bd; }
.case-complements { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 2rem; margin-top: 2rem; }
.project-card--compact { overflow: hidden; border: 1px solid #59605b; }
.project-card--compact .project-card__copy { display: flex; min-height: 12rem; align-items: flex-start; flex-direction: column; padding: 1.5rem; }
.project-card--compact h3 { margin-bottom: 1rem; }
.project-card--compact .button { width: 100%; margin-top: auto; }
.project-card__segment:empty, .case-placeholder__copy [data-field]:empty { display: none; }
.evidence-transition { color: var(--sena-white); }
.method-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(4rem,8vw,8rem); }
.method-list li { display: grid; grid-template-columns: 2.5rem 1fr; gap: 1.25rem; padding-block: 1.65rem; border-top: 1px solid var(--sena-stone); }
.method-list li:last-child { border-bottom: 1px solid var(--sena-stone); }
.method-microcopy { grid-column: 2; }
.faq { background: var(--sena-white); }
.faq-list { border-top: 1px solid var(--sena-stone); }
.faq-list details { border-bottom: 1px solid var(--sena-stone); }
.faq-list summary { position: relative; padding: 1.55rem 3rem 1.55rem 0; cursor: pointer; font-family: var(--font-display); font-size: clamp(1.25rem,2vw,1.55rem); line-height: 1.2; list-style: none; }
.faq-list summary::-webkit-details-marker { display:none; }
.faq-list summary::after { content: "+"; position: absolute; right: .25rem; top: 50%; transform: translateY(-50%); font-family: var(--font-sans); font-size: 1.5rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding-bottom: 1.5rem; color: var(--sena-graphite); }
.conversation { background: var(--sena-moss); color: var(--sena-white); }
.conversation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(4rem,8vw,8rem); align-items: start; }
.conversation .eyebrow { color: #c7d1c7; }
.conversation .lead { color: #dce2dc; }
.contact-form { padding: clamp(1.5rem,4vw,3rem); background: var(--sena-white); color: var(--sena-charcoal); border-radius: var(--sena-radius-md); }
.form-honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }
.field + .field { margin-top: 1rem; }
.field label { display: block; margin-bottom: .4rem; font-size: .78rem; font-weight: 700; }
.field input, .field textarea { width: 100%; border: 1px solid var(--sena-graphite); border-radius: var(--sena-radius-sm); background: var(--sena-white); padding: .75rem .8rem; color: var(--sena-charcoal); }
.field input { min-height: 3rem; }
.field input:focus, .field textarea:focus { border-color: var(--sena-moss); }
.field [aria-invalid="true"] { border-color: #9b3d36; }
.field--consent { display: grid; grid-template-columns: 1.25rem 1fr; gap: .75rem; align-items: start; margin-top: 1.25rem; }
.field--consent input { width: 1.25rem; min-height: 1.25rem; margin: .2rem 0 0; padding: 0; accent-color: var(--sena-moss); }
.field--consent label { margin: 0; font-size: .8125rem; font-weight: 400; line-height: 1.5; }
.field--consent a { font-weight: 700; }
.contact-form[aria-busy="true"] { cursor: progress; }
.contact-form[aria-busy="true"] .button { pointer-events: none; opacity: .72; }
.contact-form[data-state="error"] .form-error, .contact-form[data-state="success"] .form-status, .contact-form[data-state="failure"] .form-error { display: block; }
.contact-form .button { width: 100%; margin-top: 1.35rem; }
.site-footer { padding-block: 3rem; background: var(--sena-charcoal); color: var(--sena-white); }
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; }
.footer-grid p, .footer-legal { color: #afb5ae; font-size: .76rem; }
.footer-legal { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem 1.25rem; text-align: right; }