/* ════════════════════════════════════════════
   DESIGN TOKENS
════════════════════════════════════════════ */
:root {
  /* Core palette */
  --navy:       #0f1e36;
  --coral:      #d3524a;   /* Large display text & decorative elements only */
  --dark-coral: #b63b34;   /* AA-compliant for small text on light backgrounds */
  --gold:       #dca842;   /* SVGs and decorative accents — never for text */
  --sage:       #3b8b88;   /* Decorative accents */
  --dark-sage:  #235755;   /* AA-compliant text associated with sage branding */
  --paper:      #f7f5f0;
  --white:      #fff;
  --muted:      #aab5c6;
  --line:       rgba(15, 30, 54, 0.16);

  /* Typography */
  --display: "Outfit", "Avenir Next", sans-serif;
  --body:    "Plus Jakarta Sans", "Helvetica Neue", sans-serif;
}

/* ════════════════════════════════════════════
   RESET & BASE
════════════════════════════════════════════ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--navy); font-family: var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }

.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .65rem 1rem; background: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

/* ════════════════════════════════════════════
   HEADER & NAVIGATION
════════════════════════════════════════════ */
.site-header { position: absolute; z-index: 20; top: 0; left: 0; display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 1.8rem clamp(1.25rem, 4vw, 4.5rem); color: var(--navy); }
.brand { display: inline-flex; align-items: baseline; color: var(--white); font-family: var(--display); font-size: clamp(2.2rem, 3vw, 3rem); font-weight: 600; letter-spacing: -.07em; line-height: 1; text-decoration: none; }
.brand strong { margin-left: .08em; color: var(--gold); font-size: .92em; font-weight: 600; letter-spacing: -.04em; }
.site-nav { display: flex; align-items: center; gap: clamp(1.5rem, 3vw, 3rem); }
.site-nav a { position: relative; color: var(--navy); font-family: var(--display); font-size: .96rem; font-weight: 500; letter-spacing: .12em; text-decoration: none; text-transform: uppercase; }
.site-nav a::after { position: absolute; right: 0; bottom: -.45rem; left: 0; height: 2px; background: var(--coral); content: ""; transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; }

/* ════════════════════════════════════════════
   HERO
════════════════════════════════════════════ */
.hero { position: relative; display: grid; min-height: 100svh; overflow: hidden; grid-template-columns: 58% 42%; background: var(--navy); color: var(--white); }
.hero::before { position: absolute; z-index: 1; top: 0; bottom: 0; left: 58%; width: 1px; background: rgba(255,255,255,.14); content: ""; }
.hero__copy { position: relative; z-index: 2; display: flex; max-width: 68rem; align-items: flex-start; justify-content: center; padding: clamp(9rem, 17vh, 13rem) clamp(1.25rem, 4vw, 4.5rem) 7rem; flex-direction: column; }

.eyebrow, .section-label { display: flex; align-items: center; gap: .9rem; font-family: var(--display); font-size: 1rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { margin: 0 0 2rem; color: var(--gold); }
.eyebrow::before { width: 1.7rem; height: 2px; background: currentColor; content: ""; }

h1 { max-width: 12.5ch; margin-bottom: 2.4rem; font-family: var(--display); font-size: clamp(3.55rem, 6.8vw, 7.65rem); font-weight: 600; letter-spacing: -.058em; line-height: .94; }
h1 span { color: var(--coral); } /* AA exempt: display-size text on dark navy */

/* Shared display heading rhythm — tighter leading for all large headings */
h2, h3 { line-height: 1.1; letter-spacing: -.02em; }
/* Override: headings with explicit fluid font-sizes already carry tighter tracking — this adds the floor */
.statement h2, .founders h2, .capabilities__heading h2,
.activation__intro h2, .engagement-models__header h2,
.contact-modal h2, .contact h2 { line-height: 1.05; letter-spacing: -.065em; }
.hero__intro { max-width: 39rem; margin-bottom: 2.6rem; color: rgba(255,255,255,.78); font-size: clamp(1.25rem, 1.9vw, 1.75rem); line-height: 1.55; }

.hero__visual { position: relative; overflow: hidden; background: var(--paper); }
.hero__visual::after { position: absolute; inset: 0; z-index: 2; background: rgba(247,245,240,.62); content: ""; pointer-events: none; }
.base-pair { position: absolute; border-radius: 50%; opacity: .95; aspect-ratio: 1; }
.base-pair--two { bottom: -20%; left: -34%; width: 70%; background: var(--gold); opacity: .82; }
.base-pair--three { right: -24%; bottom: 11%; width: 38%; background: var(--sage); opacity: .7; }
.dna-mark { position: absolute; z-index: 1; top: 50%; left: 50%; width: min(54%, 23rem); opacity: .32; transform: translate(-50%, -50%); }
.dna-mark__path { stroke: var(--navy); stroke-width: 12; }
.dna-mark__path--alt { stroke: var(--sage); }
.dna-mark__rungs path { stroke: var(--gold); stroke-width: 3; }

/* ════════════════════════════════════════════
   PROSE COMFORT — body text line-length & rhythm
   Scoped to descriptive paragraphs only.
   Exempt: td, th, footer, eyebrow, labels, grid metadata
════════════════════════════════════════════ */
.statement__body > p,
.founders__heading p,
.activation__intro p,
.engagement-models__header p,
.intent__purpose-text,
.founder-card__content p:not(.founder-card__role) {
  line-height: 1.625;
  max-width: 65ch;
}


/* ════════════════════════════════════════════
   OUR INTENT
════════════════════════════════════════════ */
.intent { background: var(--white); padding: clamp(4rem, 8vw, 7rem) 0; }
.intent__purpose { max-width: 65ch; margin: 0 auto clamp(1.5rem, 2.5vw, 2.5rem); padding: 0 clamp(1.25rem, 6vw, 7rem); text-align: center; }
.intent__purpose-text { font-family: 'Outfit', sans-serif; font-size: 1.85rem; font-style: italic; font-weight: 500; line-height: 1.625; color: var(--navy); }
.intent__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2rem); max-width: 70rem; margin: 0 auto; padding: 0 clamp(1.25rem, 6vw, 7rem); }
.intent__column { background: var(--paper); padding: clamp(1.5rem, 3vw, 2.25rem); border: 1px solid rgba(15, 30, 54, 0.05); border-radius: 8px; box-shadow: 0 4px 16px rgba(15, 30, 54, 0.01); }
.intent__column--featured { grid-column: 1 / -1; }
.intent__column p:not(.eyebrow) { font-size: 1.0625rem; line-height: 1.75; color: var(--navy); margin: 0; }
.eyebrow--coral { color: var(--dark-coral); }

/* ════════════════════════════════════════════
   01 — GENETIC CORE / STATEMENT
════════════════════════════════════════════ */
.statement { display: grid; padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 6vw, 7rem); grid-template-columns: 1fr 3fr; gap: 3rem; }
.section-label { align-items: flex-start; color: var(--navy); }
.section-label span { color: var(--dark-coral); } /* AA: small text on light bg */
.section-label p { margin: 0; }
.statement__body { max-width: 72rem; }
.statement h2 { max-width: 12ch; margin-bottom: 2.5rem; font-family: var(--display); font-size: clamp(3.25rem, 7vw, 7.2rem); font-weight: 600; letter-spacing: -.065em; line-height: .94; }
.statement__body > p { max-width: 42rem; margin-left: auto; color: #53647a; font-size: clamp(1.05rem, 1.65vw, 1.35rem); line-height: 1.75; }
.principles { display: grid; margin-top: 5rem; border-top: 1px solid var(--line); grid-template-columns: 1fr 1fr; }
.principles article { display: flex; min-height: 12rem; border-right: 1px solid var(--line); align-items: flex-start; padding: 2rem; gap: 1rem; }
.principles article:last-child { border-right: 0; }
.principles__symbol { flex-shrink: 0; line-height: 1; }
.feature-icon { display: block; width: 24px; height: 24px; flex-shrink: 0; }
.principles__symbol--coral { color: var(--coral); }
.principles__symbol--gold { color: var(--gold); }
.principles h3 { margin-bottom: .6rem; font-family: var(--display); font-size: 1.25rem; }
.principles p { margin: 0; color: #637289; font-size: .85rem; line-height: 1.65; }

/* ════════════════════════════════════════════
   02 — FOUNDER PROFILES
════════════════════════════════════════════ */
.founders { display: grid; padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 6vw, 7rem); border-top: 1px solid var(--line); background: var(--white); grid-template-columns: 1fr 3fr; gap: 3rem; }
.founders__body { max-width: 72rem; }
.founders__heading { display: grid; align-items: end; grid-template-columns: minmax(0, 1.6fr) minmax(18rem, .9fr); gap: 3rem; }
.founders h2 { max-width: 12ch; margin: 0; font-family: var(--display); font-size: clamp(3rem, 6vw, 6.6rem); font-weight: 600; letter-spacing: -.065em; line-height: .94; }
.founders__heading p { margin: 0; color: #53647a; font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.75; }
.founder-grid { display: grid; margin-top: 5rem; gap: 1.5rem; }
.founder-card { display: grid; border: 1px solid rgba(15, 30, 54, 0.08); border-radius: .5rem; overflow: hidden; background: var(--paper); grid-template-columns: minmax(16rem, .8fr) minmax(0, 1.8fr); box-shadow: 0 4px 24px rgba(15, 30, 54, 0.02); }

/* Photo cell — fallback monogram + decorative overlays */
.founder-card__photo { position: relative; display: grid; min-height: 31rem; place-items: center; overflow: hidden; background: linear-gradient(135deg, rgba(15,30,54,.96), rgba(59,139,136,.84)); color: var(--white); }
.founder-card__photo::before { position: absolute; top: 12%; left: 50%; width: 72%; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; content: ""; aspect-ratio: 1; transform: translateX(-50%); }
.founder-card__photo::after { position: absolute; right: -18%; bottom: -20%; width: 62%; border-radius: 50%; background: rgba(220,168,66,.7); content: ""; aspect-ratio: 1; }
.founder-card__photo span { position: relative; z-index: 1; display: grid; width: clamp(7rem, 13vw, 10rem); border: 1px solid rgba(255,255,255,.35); border-radius: 50%; place-items: center; color: rgba(255,255,255,.88); font-family: var(--display); font-size: clamp(2.3rem, 4vw, 3.8rem); font-weight: 600; letter-spacing: 0; aspect-ratio: 1; }

/* Photo — real image replaces fallback overlays via :has() */
.founder-card__photo img { position: absolute; inset: 0; z-index: 3; width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.founder-card__photo:has(img)::before,
.founder-card__photo:has(img)::after,
.founder-card__photo:has(img) span { display: none; }

.founder-card__content { padding: clamp(1.5rem, 4vw, 2.5rem); }
.founder-card__role { margin-bottom: 1rem; color: var(--dark-coral); font-family: var(--display); font-size: .68rem; font-weight: 700; letter-spacing: .14em; line-height: 1.55; text-transform: uppercase; }
.founder-card h3 { margin: 0 0 1.7rem; font-family: var(--display); font-size: clamp(2.35rem, 4vw, 4.4rem); font-weight: 600; letter-spacing: -.055em; line-height: .95; }
.founder-card__content p:not(.founder-card__role) { max-width: 43rem; margin-bottom: 1rem; color: #53647a; font-size: .94rem; line-height: 1.75; }
.founder-card__content p:last-child { margin-bottom: 0; }

/* ════════════════════════════════════════════
   03 — CAPABILITIES OVERVIEW
════════════════════════════════════════════ */
.capabilities { padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 6vw, 7rem); background: var(--navy); color: var(--white); }
.section-label--light { color: var(--muted); }
.section-label--light span { color: var(--gold); }
.capabilities__heading { display: grid; margin: 5rem 0 7rem; align-items: end; grid-template-columns: 2fr 1fr; gap: 3rem; }
.capabilities__heading h2 { max-width: 12ch; margin: 0; font-family: var(--display); font-size: clamp(3rem, 6.4vw, 7rem); font-weight: 600; letter-spacing: -.065em; line-height: .94; }
.capabilities__heading p { max-width: 25rem; margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.7; }

.approach-link { display: inline-flex; border: 1px solid rgba(255,255,255,.34); border-radius: 999px; align-items: center; margin-top: 1.6rem; padding: .85rem 1.15rem; gap: .65rem; background: transparent; color: var(--white); font-family: var(--display); font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-decoration: none; text-transform: uppercase; cursor: pointer; transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease; }
.approach-link span { color: var(--gold); transition: transform 180ms ease; }
.approach-link:hover, .approach-link:focus-visible { border-color: var(--gold); background: var(--paper); color: var(--navy); }
.approach-link:hover span, .approach-link:focus-visible span { transform: translate(.2rem,-.2rem); }

.capability-list { display: grid; margin: 0; border-top: 1px solid rgba(255,255,255,.2); padding: 0; grid-template-columns: repeat(4, 1fr); list-style: none; }
.capability-list li { position: relative; min-height: 24rem; border-right: 1px solid rgba(255,255,255,.2); padding: 1.35rem; transition: background-color 220ms ease, color 220ms ease; }
.capability-list li:last-child { border-right: 0; }
.capability-list li::after { position: absolute; right: 1.35rem; bottom: 1.35rem; width: .7rem; height: .7rem; border-radius: 50%; background: var(--coral); content: ""; }
.capability-list li:nth-child(2)::after { background: var(--gold); }
.capability-list li:nth-child(3)::after { background: var(--sage); }
.capability-list li:hover { background: var(--paper); color: var(--navy); }
.capability-list li > span { color: var(--gold); font-family: var(--display); font-size: .62rem; font-weight: 600; }
.capability-list h3 { margin: 7rem 0 1.5rem; font-family: var(--display); font-size: clamp(2.4rem, 4vw, 4rem); font-weight: 600; letter-spacing: -.05em; }
.capability-list p { max-width: 15rem; color: var(--muted); font-size: .85rem; line-height: 1.65; }
.capability-list li:hover p { color: #637289; }

/* ════════════════════════════════════════════
   04 — SYSTEM OF ACTIVATION
════════════════════════════════════════════ */
.activation { display: grid; padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 6vw, 7rem); grid-template-columns: 1fr 3fr; gap: 3rem; background: var(--white); border-top: 1px solid var(--line); }
.activation__body { max-width: 72rem; }

/* Section intro — two-column heading + description */
.activation__intro { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: start; margin-bottom: 5rem; }
.activation__intro h2 { max-width: 14ch; margin: 0; font-family: var(--display); font-size: clamp(3rem, 5.5vw, 6rem); font-weight: 600; letter-spacing: -.065em; line-height: .94; }
.activation__intro p { margin: 0; align-self: center; color: #53647a; font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.75; }

/* 4-Stage grid */
.activation-stages { display: grid; margin: 0; padding: 0; list-style: none; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.activation-stage { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: 0 4px 24px rgba(15, 30, 54, 0.02); }

.activation-stage__header { display: flex; align-items: flex-end; gap: 1rem; margin-bottom: 1.25rem; }
.activation-stage__num { color: var(--dark-coral); font-family: var(--display); font-size: .68rem; font-weight: 700; letter-spacing: .16em; padding-bottom: .55rem; }
.activation-stage h3 { margin: 0; font-family: var(--display); font-size: clamp(2.25rem, 3.5vw, 3.5rem); font-weight: 600; letter-spacing: -.055em; line-height: 1; color: var(--navy); }

.activation-stage__tagline { margin: 0 0 .85rem; color: var(--dark-coral); font-family: var(--display); font-size: .82rem; font-weight: 600; letter-spacing: .01em; }
.activation-stage__desc { margin: 0 0 1.75rem; color: #53647a; font-size: .93rem; line-height: 1.78; max-width: 30rem; }

.activation-stage__outputs { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .5rem; border-top: 1px solid var(--line); padding-top: 1.25rem; }
.activation-stage__outputs li { position: relative; padding-left: 1.1rem; font-family: var(--display); font-size: .68rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--navy); }
.activation-stage__outputs li::before { content: ""; position: absolute; left: 0; top: .48em; width: .42rem; height: .42rem; border-radius: 50%; background: var(--coral); }

/* ── Engagement Models ── */
.engagement-models { margin-top: 6rem; border-top: 1px solid var(--line); padding-top: 5rem; }
.engagement-models__header { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: end; margin-bottom: 2.5rem; }
.engagement-models__header h2 { max-width: 14ch; margin: 0; font-family: var(--display); font-size: clamp(2.5rem, 4.5vw, 5rem); font-weight: 600; letter-spacing: -.065em; line-height: .94; }
.engagement-models__header p { margin: 0; color: #53647a; font-size: .95rem; line-height: 1.75; }

/* Table wrapper — scrolls horizontally on small screens */
.engagement-table-wrapper { position: relative; overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: .5rem; border: 1px solid var(--line); }

.engagement-table { width: 100%; min-width: 680px; border-collapse: collapse; font-family: var(--body); }

/* Header row */
.engagement-table thead tr { background: var(--navy); color: var(--white); }
.engagement-table thead th { padding: 1.5rem 1.25rem; text-align: left; vertical-align: bottom; }
.engagement-table__attr-header { width: 17%; font-family: var(--display); font-size: .62rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.engagement-table__col-head { display: flex; flex-direction: column; gap: .3rem; }
.engagement-table__model-num { font-family: var(--display); font-size: .62rem; font-weight: 700; letter-spacing: .14em; color: var(--gold); }
.engagement-table__model-name { font-family: var(--display); font-size: 1.15rem; font-weight: 600; letter-spacing: -.025em; color: var(--white); }

/* Body rows */
.engagement-table tbody tr:nth-child(odd)  { background: var(--paper); }
.engagement-table tbody tr:nth-child(even) { background: var(--white); }
.engagement-table tbody tr:hover { background: rgba(15,30,54,.04); }

.engagement-table tbody th { padding: 1.15rem 1.25rem; text-align: left; font-family: var(--display); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--navy); white-space: nowrap; vertical-align: top; }
.engagement-table tbody td { padding: 1.15rem 1.25rem; font-size: .9rem; line-height: 1.6; color: #53647a; border-left: 1px solid var(--line); vertical-align: top; }

/* CTA beneath table */
.engagement-cta { margin-top: 2.5rem; display: flex; justify-content: flex-start; }
.engagement-cta__btn { display: inline-flex; align-items: center; gap: .65rem; border: 0; border-radius: 999px; padding: 1rem 1.6rem; background: var(--navy); color: var(--white); font-family: var(--display); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; cursor: pointer; transition: background-color 180ms ease; }
.engagement-cta__btn span { color: var(--gold); transition: transform 180ms ease; }
.engagement-cta__btn:hover, .engagement-cta__btn:focus-visible { background: var(--dark-coral); }
.engagement-cta__btn:hover span, .engagement-cta__btn:focus-visible span { transform: translate(.2rem,-.2rem); }

/* ════════════════════════════════════════════
   CONTACT SECTION
════════════════════════════════════════════ */
.contact { position: relative; overflow: hidden; padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 6vw, 7rem) 2rem; background: var(--paper); color: var(--navy); }
.contact::after { position: absolute; z-index: 0; right: -12vw; bottom: -24vw; width: 38vw; min-width: 18rem; border-radius: 50%; background: var(--gold); content: ""; aspect-ratio: 1; }
.contact > * { position: relative; z-index: 1; }
.contact .eyebrow { color: var(--dark-coral); }
.contact h2 { max-width: 10ch; margin: 0 0 4rem; font-family: var(--display); font-size: clamp(4rem, 9.5vw, 10rem); font-weight: 600; letter-spacing: -.075em; line-height: .88; }
.contact__link { display: flex; width: 100%; border: 0; border-top: 2px solid var(--navy); border-bottom: 2px solid var(--navy); align-items: center; justify-content: space-between; padding: 1.6rem 0; background: transparent; color: inherit; font-family: var(--display); font-size: clamp(1.3rem, 3vw, 3rem); font-weight: 600; letter-spacing: -.03em; text-align: left; cursor: pointer; }
.contact__link span { color: var(--coral); transition: transform 180ms ease; }
.contact__link:hover span, .contact__link:focus-visible span { transform: translate(.35rem,-.35rem); }

.footer { display: grid; margin-top: 8rem; align-items: end; grid-template-columns: 1fr 1fr 1fr; font-family: var(--display); font-size: .62rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.footer p { margin: 0; }
.footer p:nth-child(2) { text-align: center; }
.footer p:last-child  { text-align: right; }
.brand--footer { color: var(--navy); font-size: 1.3rem; text-transform: none; }

/* ════════════════════════════════════════════
   CONTACT MODAL
════════════════════════════════════════════ */
.contact-modal { width: min(92vw, 58rem); border: 0; padding: 0; background: transparent; color: var(--navy); }
.contact-modal::backdrop { background: rgba(15,30,54,.72); backdrop-filter: blur(8px); }
.contact-modal__panel { position: relative; overflow: hidden; border-radius: .5rem; padding: clamp(2rem, 5vw, 4rem); background: var(--paper); box-shadow: 0 2rem 5rem rgba(15,30,54,.35); }
.contact-modal__panel::after { position: absolute; right: -8rem; bottom: -10rem; width: 18rem; border-radius: 50%; background: rgba(220,168,66,.45); content: ""; aspect-ratio: 1; pointer-events: none; }
.contact-modal__panel > * { position: relative; z-index: 1; }
.contact-modal__close { position: absolute; z-index: 2; top: 1.2rem; right: 1.2rem; display: grid; width: 2.6rem; height: 2.6rem; border: 1px solid var(--line); border-radius: 50%; place-items: center; background: var(--white); color: var(--navy); font-size: 1.45rem; line-height: 1; cursor: pointer; }
.contact-modal h2 { max-width: 11ch; margin: 0 0 2rem; font-family: var(--display); font-size: clamp(2.8rem, 6vw, 5.8rem); font-weight: 600; letter-spacing: -.065em; line-height: .92; }

/* Contact form */
.contact-form { display: grid; gap: 1.25rem; }
.contact-form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.contact-form label { display: grid; gap: .5rem; color: #53647a; font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.contact-form__required { color: var(--dark-coral); }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: .35rem; padding: .9rem 1rem; background: var(--white); color: var(--navy); font: 500 1rem/1.4 var(--body); transition: border-color 150ms ease, outline-color 150ms ease; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--muted); }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--coral); outline: 2px solid rgba(211,82,74,.2); outline-offset: 2px; }
.contact-form input[aria-invalid="true"], .contact-form textarea[aria-invalid="true"] { border-color: var(--dark-coral); }

.contact-form__footer { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.contact-form__submit { flex-shrink: 0; border: 0; border-radius: 999px; padding: .95rem 1.4rem; background: var(--navy); color: var(--white); font-family: var(--display); font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; cursor: pointer; transition: background-color 180ms ease; }
.contact-form__submit:hover:not(:disabled), .contact-form__submit:focus-visible:not(:disabled) { background: var(--dark-coral); }
.contact-form__submit:disabled { opacity: .6; cursor: not-allowed; }

.contact-form__status { margin: 0; font-size: .84rem; line-height: 1.6; }
.contact-form__status:empty { display: none; }
.contact-form__status--success { color: #1a6b3c; font-weight: 600; }
.contact-form__status--error   { color: var(--dark-coral); font-weight: 600; }

/* ════════════════════════════════════════════
   GLOBAL FOCUS
════════════════════════════════════════════ */
:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }

/* ════════════════════════════════════════════
   MOTION
════════════════════════════════════════════ */
@media (prefers-reduced-motion: no-preference) {
  .dna-mark { animation: breathe 9s ease-in-out infinite; }
  @keyframes breathe { 50% { transform: translate(-50%,-50%) scale(1.025); } }
}

/* ════════════════════════════════════════════
   RESPONSIVE — ≤ 900px
════════════════════════════════════════════ */
@media (max-width: 900px) {
  /* Header */
  .site-header { position: fixed; background: var(--navy); }
  /* Brand and toggle must paint above the nav overlay (z-index: 19) within the header's stacking context */
  .brand { position: relative; z-index: 25; }
  .menu-toggle { z-index: 25; display: flex; border: 0; align-items: center; padding: 0; gap: .7rem; background: transparent; color: var(--white); font: inherit; cursor: pointer; }
  .menu-toggle__label { font-family: var(--display); font-size: .65rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
  .menu-toggle__icon,
  .menu-toggle__icon::before { display: block; width: 1.25rem; height: 2px; background: var(--gold); content: ""; transition: transform 180ms ease; }
  .menu-toggle__icon::before { transform: translateY(.38rem); }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon::before { transform: rotate(-90deg); }
  .site-nav { position: fixed; top: 0; right: 0; left: 0; z-index: 19; display: grid; min-height: 100svh; align-content: center; padding: 5rem 1.25rem; gap: 2rem; background: var(--navy); opacity: 0; pointer-events: none; transform: translateY(-1rem); transition: opacity 180ms ease, transform 180ms ease; }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav a { color: var(--white); font-size: clamp(2.5rem, 13vw, 5rem); letter-spacing: -.05em; text-transform: none; }

  /* Hero */
  .hero { min-height: auto; padding-top: 5rem; grid-template-columns: 1fr; }
  .hero::before { display: none; }
  .hero__copy { min-height: calc(100svh - 5rem); padding-top: 5rem; padding-bottom: 5rem; }
  h1 { font-size: clamp(3.65rem, 14vw, 6.4rem); }
  .hero__visual { min-height: 72svh; }

  /* Sections */
  .intent__grid { grid-template-columns: 1fr; }
  .statement, .founders, .capabilities__heading { grid-template-columns: 1fr; }
  .statement { gap: 4rem; }
  .statement__body > p { margin-left: 0; }
  .founders { gap: 4rem; }
  .founders__heading, .founder-card { grid-template-columns: 1fr; }
  .founder-card__photo { min-height: 24rem; }
  .capabilities__heading { margin: 4rem 0; }

  /* Capability list */
  .capability-list { grid-template-columns: repeat(2, 1fr); }
  .capability-list li:nth-child(2) { border-right: 0; }
  .capability-list li:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.2); }

  /* System of Activation */
  .activation { grid-template-columns: 1fr; gap: 2rem; }
  .activation__intro { grid-template-columns: 1fr; gap: 2rem; }
  .activation-stages { grid-template-columns: 1fr; }
  .engagement-models__header { grid-template-columns: 1fr; gap: 1.5rem; }

  /* Contact form */
  .contact-form__grid { grid-template-columns: 1fr; }
  .contact-form__footer { flex-direction: column; align-items: flex-start; }
}

/* ════════════════════════════════════════════
   RESPONSIVE — ≤ 600px
════════════════════════════════════════════ */
@media (max-width: 600px) {
  .hero__copy { min-height: 43rem; }
  .hero__visual { min-height: 38rem; }

  .statement { padding-top: 6rem; padding-bottom: 6rem; }
  .statement h2 { font-size: clamp(3.25rem, 15vw, 5rem); }

  .founders { padding-top: 6rem; padding-bottom: 6rem; }
  .founders h2 { font-size: clamp(3.15rem, 14vw, 4.85rem); }
  .founders__heading { gap: 2rem; }
  .founder-grid { margin-top: 3rem; }
  .founder-card__photo { min-height: 20rem; }
  .founder-card__content { padding: 1.55rem; }

  .principles, .capability-list { grid-template-columns: 1fr; }
  .principles article { border-right: 0; border-bottom: 1px solid var(--line); }

  .capability-list li,
  .capability-list li:nth-child(2) { min-height: 18rem; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .capability-list h3 { margin-top: 4rem; }

  .activation { padding-top: 6rem; padding-bottom: 6rem; }
  .activation-stage h3 { font-size: clamp(2rem, 10vw, 3rem); }
  .engagement-models { margin-top: 4rem; }
  .engagement-models__header h2 { font-size: clamp(2.25rem, 10vw, 3.5rem); }

  .footer { align-items: start; gap: 2rem; grid-template-columns: 1fr; }
  .footer p:nth-child(2), .footer p:last-child { text-align: left; }

  .faq { padding: 4rem clamp(1.25rem, 5vw, 3rem); }
  .faq__question { font-size: 1rem; padding: 1.1rem 1.25rem; }
  .faq__answer { padding: 0 1.25rem 1.1rem; }
}

/* ════════════════════════════════════════════
   FAQ ACCORDION
════════════════════════════════════════════ */
.faq {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 6vw, 7rem);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.faq h2 {
  max-width: 18ch;
  margin: 3rem 0 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 600;
  letter-spacing: -.06em;
  line-height: .94;
  color: var(--navy);
}

.faq__grid {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-top: 3rem;
  max-width: 68rem;
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: .65rem;
  overflow: hidden;
  transition: border-color 240ms ease, box-shadow 240ms ease;
}

.faq__item[open] {
  border-color: rgba(15, 30, 54, 0.35);
  box-shadow: 0 4px 28px rgba(15, 30, 54, 0.07);
}

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.35rem 1.6rem;
  gap: 1.5rem;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -.015em;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 200ms ease;
}

.faq__question::-webkit-details-marker { display: none; }
.faq__question:hover { background: var(--paper); }

.faq__icon {
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--navy);
  display: grid;
  place-items: center;
  transition: background 200ms ease, transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background: var(--white);
  border-radius: 2px;
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

.faq__icon::before {
  width: .7rem;
  height: 1.5px;
}

.faq__icon::after {
  width: 1.5px;
  height: .7rem;
}

.faq__item[open] .faq__icon {
  background: var(--coral);
  transform: rotate(45deg);
}

.faq__answer {
  padding: 0 1.6rem 1.35rem;
  border-top: 1px solid var(--line);
}

.faq__answer p {
  margin: 1rem 0 0;
  color: #53647a;
  font-size: .94rem;
  line-height: 1.75;
}

.faq__answer a {
  color: var(--dark-coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq__answer strong {
  color: var(--navy);
  font-weight: 600;
}

/* ════════════════════════════════════════════
   SCROLL-REVEAL ANIMATIONS
════════════════════════════════════════════ */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delay variants for grid children */
.reveal-on-scroll:nth-child(2) { transition-delay: 80ms; }
.reveal-on-scroll:nth-child(3) { transition-delay: 160ms; }
.reveal-on-scroll:nth-child(4) { transition-delay: 240ms; }

/* Capability-list tiles — all 4 enter viewport at once (horizontal grid),
   so use more pronounced stagger to create a clear left-to-right cascade.
   Also merges the hover transitions (background-color, color) with the reveal
   transitions (opacity, transform) to beat the specificity of .capability-list li
   and prevent it from overriding the scroll-reveal animation. */
.capability-list li.reveal-on-scroll {
  transition:
    opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 220ms ease,
    color 220ms ease;
}
.capability-list li.reveal-on-scroll:nth-child(1) { transition-delay:   0ms; }
.capability-list li.reveal-on-scroll:nth-child(2) { transition-delay: 150ms; }
.capability-list li.reveal-on-scroll:nth-child(3) { transition-delay: 300ms; }
.capability-list li.reveal-on-scroll:nth-child(4) { transition-delay: 450ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}