/* v11 additions — proof section, approach lead, contact next-step, h1→h2 parity */

/* Section titles that were h1 in v10 keep their display size as h2 */
.study-heading h2.study-title{font:400 clamp(4.8rem,8.2vw,9.5rem)/.83 var(--serif);letter-spacing:-.052em;margin:0}
.study-heading h2.study-title em{font-weight:400;color:var(--orange)}
.field-proof-copy h2.study-title{font:400 clamp(5rem,9vw,10.5rem)/.82 var(--serif);letter-spacing:-.055em;margin:0;max-width:1050px}
.field-proof-copy h2.study-title em{font-weight:400;color:#e87443}
@media(max-width:760px){.study-heading h2.study-title{font-size:clamp(4.3rem,15vw,6.6rem)}.field-proof-copy h2.study-title{font-size:clamp(4.2rem,15vw,6.5rem)}}
@media(max-width:440px){.study-heading h2.study-title{font-size:clamp(3.9rem,16vw,5.2rem)}}

/* ---------- Proof: what changes ---------- */
.proof-section{position:relative;background:var(--cream);color:var(--deep,#10211e);padding:clamp(4.5rem,7vw,8rem) clamp(1.25rem,5vw,5rem)}
.proof-header{display:flex;justify-content:space-between;align-items:start;gap:2rem}
.proof-side{margin:0;max-width:220px;text-align:right;color:#68716b;font-size:.82rem;line-height:1.5}
.proof-heading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:6vw;align-items:end;margin:2.5rem 0 3.5rem}
.proof-heading h2{font:400 clamp(4rem,7.4vw,8.4rem)/.9 var(--serif);letter-spacing:-.045em;margin:0}
.proof-heading h2 em{font-weight:400;color:var(--orange)}
.proof-heading p{margin:0;max-width:420px;font-size:1rem;line-height:1.65;color:#4f5d56}

.proof-numbers{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #aaa99f;background:#f5f0e8}
.proof-numbers article{padding:2rem 1.8rem 1.9rem;border-right:1px solid #aaa99f}
.proof-numbers article:last-child{border-right:0}
.proof-numbers span{display:block;font-size:.58rem;font-weight:700;letter-spacing:.16em;color:#a84627}
.proof-shift{display:flex;align-items:baseline;gap:.7rem;margin:1.1rem 0 1rem;flex-wrap:wrap}
.proof-shift b{font:400 clamp(1.6rem,2.2vw,2.3rem)/1 var(--serif);color:#7b8580;text-decoration:line-through;text-decoration-color:rgba(196,91,50,.6);text-decoration-thickness:2px}
.proof-shift i{font-style:normal;color:var(--orange);font-size:1.3rem}
.proof-shift strong{font:400 clamp(3rem,4.4vw,4.8rem)/.9 var(--serif);letter-spacing:-.04em;color:#10211e}
.proof-numbers p{margin:0;font-size:.86rem;line-height:1.6;color:#4f5d56}
.proof-caption{margin:1rem 0 0;font-size:.62rem;letter-spacing:.06em;color:#7b8580;max-width:720px;line-height:1.6}

.proof-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#2b4a42;border:1px solid #2b4a42;margin-top:3.5rem}
.proof-cases article{background:#18332d;color:#f8f1e7;padding:2rem 1.8rem 2.2rem;display:flex;flex-direction:column;position:relative;overflow:hidden}
.proof-cases article:before{content:'';position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.proof-cases header{position:relative;border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:1rem;margin-bottom:1.2rem}
.proof-cases header span{display:block;font-size:.55rem;letter-spacing:.16em;color:#e5a47c}
.proof-cases h3{font:400 clamp(2.2rem,3vw,3.2rem)/1 var(--serif);letter-spacing:-.03em;margin:.6rem 0 0}
.proof-cases dl{position:relative;margin:0;display:grid;gap:1rem}
.proof-cases dt{font-size:.55rem;font-weight:700;letter-spacing:.16em;color:#95a99e;text-transform:uppercase}
.proof-cases dd{margin:.35rem 0 0;font-size:.9rem;line-height:1.55;color:#eae3d6}
.proof-cases dd:last-child{color:#fff;font:400 1.15rem/1.35 var(--serif)}
.proof-note{margin:.9rem 0 0;font-size:.55rem;letter-spacing:.13em;text-transform:uppercase;color:#82978c}

@media(max-width:980px){.proof-numbers,.proof-cases{grid-template-columns:1fr}.proof-numbers article{border-right:0;border-bottom:1px solid #aaa99f}.proof-numbers article:last-child{border-bottom:0}}
@media(max-width:760px){.proof-heading{grid-template-columns:1fr;gap:1.5rem}.proof-header{flex-direction:column}.proof-side{text-align:left;max-width:none}.proof-heading h2{font-size:clamp(3.6rem,13vw,5.6rem)}}

/* ---------- How we work: lead paragraph ---------- */
.approach-lead{margin:1.8rem 0 0;max-width:420px;font-size:1rem;line-height:1.65;color:#cfd8d2}
.approach-section h2{font-size:clamp(3.6rem,6.6vw,7.6rem)}

/* ---------- Contact: what happens next ---------- */
.contact-next{max-width:540px;margin:1.6rem 0 0;padding:1rem 1.2rem;border-left:2px solid var(--orange);font-size:.9rem;line-height:1.6;color:#4f5d56;background:rgba(196,91,50,.06)}
.contact-next span{display:block;font-size:.58rem;font-weight:700;letter-spacing:.16em;color:#a84627;margin-bottom:.4rem}

/* ---------- Footer link ---------- */
.concept-footer .footer-link{text-transform:none;letter-spacing:.04em;color:#ef8e5c}
.concept-footer .footer-link:hover{color:#fff}

/* ---------- v11 compaction: same design, less air ---------- */
@media(min-width:761px){
  .transform-study,.expertise-study,.thinking-study{padding-top:clamp(3rem,4.5vw,4.5rem);padding-bottom:clamp(3rem,4.5vw,4.5rem)}
  .study-heading{margin:1.4rem 0 2.2rem}
  .study-ending{margin:2.4rem 0 0;font-size:clamp(2.2rem,3.6vw,4rem)}
  .about-section{min-height:72vh;padding-top:clamp(4rem,6vw,6rem)}
  .about-section .about-content h2{margin:2rem 0}
  .credentials-section{padding-top:clamp(3.5rem,5vw,5rem);padding-bottom:clamp(3.5rem,5vw,5rem)}
  .field-proof{min-height:78svh;padding-top:clamp(5rem,7vw,6.5rem)}
  .field-voices{padding-top:clamp(3.5rem,5vw,5.5rem);padding-bottom:clamp(3.5rem,5vw,5.5rem)}
  .field-close{padding:clamp(3rem,5vw,5rem) clamp(1.25rem,4vw,4rem)}
  .approach-section{padding-top:clamp(3.5rem,5vw,5.5rem);padding-bottom:clamp(3.5rem,5vw,5.5rem)}
  .proof-section{padding-top:clamp(3.5rem,5vw,5.5rem);padding-bottom:clamp(3.5rem,5vw,5.5rem)}
}
@media(max-width:760px){
  .transform-study,.expertise-study,.thinking-study{padding-top:2.75rem;padding-bottom:2.75rem}
  .study-heading{margin:1.2rem 0 1.8rem}
  .study-ending{margin:2rem 0 0;font-size:clamp(2rem,8vw,3rem)}
  .about-section{min-height:0;padding-top:4rem;padding-bottom:3rem}
  .field-proof{min-height:0;padding-top:5rem}
  .field-voices,.credentials-section,.approach-section,.proof-section,.contact-section-v2{padding-top:3rem;padding-bottom:3rem}
  .field-close{padding:2.75rem 1.25rem}
}

/* ---------- v11 readability: lift the small text ---------- */
.study-heading p,.results-heading p,.contact-intro>p:not(.section-index),.contact-next,.approach-lead,.about-foot p{font-size:1.08rem;line-height:1.65}
#m-copy,.detail-copy p,#domain-copy,.story-heading p,#idea-copy,.idea-explanation p,.approach-steps p,.founder-copy p,.field-voices-intro p,.tile p,.capstone-copy p{font-size:1rem;line-height:1.6}
#domain-reality,#domain-work,.story-columns p{font-size:.95rem;line-height:1.55}
.credentials-heading p{font-size:1rem;line-height:1.6}
.founder-profile li{font-size:.86rem}
.m-control small,.domain-control small,.question small,.field-factory-choice small,.field-factory-choice i{font-size:.72rem}
.question b{font-size:clamp(1.3rem,1.7vw,1.6rem)}
.tile-label,.field-category,.inquiry-form label span,.form-note,.results-caption,.proof-caption,.study-note,.control-instruction,.question-instruction,.results-side,.field-index-label span,.field-stage-top,.field-owner-identity>span,.field-work-signature span,.field-approval-note,.outcome-rail p,.five-m-shift p,.tangible-rail span,.field-proof-counts span,.field-association-line small,.field-association-line b,.story-columns span,.idea-explanation>span,.credentials-label,.founder-copy>span,.contact-routes a>span,.form-heading span,.product-equation span,.product-equation strong,.tile-from i,.section-index,.study-mark p,.field-proof-mark p,.field-proof-mark b{font-size:.72rem}
.detail-tags span,.product-tags span,.idea-tags span,.outcome-word{font-size:.68rem}
.field-work-signature span{font-size:.66rem}
.results-caption,.proof-caption,.form-note{font-size:.78rem}
.contact-routes strong{font-size:1.15rem}
@media(max-width:760px){.study-heading p,.results-heading p,.contact-intro>p:not(.section-index){font-size:1.02rem}}
/* 5M detail panel sits under the Method/Material nodes — keep its copy compact */
@media(min-width:761px){#m-copy,.detail-copy p{font-size:.92rem;line-height:1.5}.m-detail{padding-top:1.4rem}}

/* =================== v12 =================== */
/* Hero: keep the buttons above the fold on short desktops; longer intro */
.hero-intro{max-width:560px}
@media(min-width:761px) and (max-height:860px){.hero-content{padding-top:clamp(7rem,13vh,10rem)}.hero h1{font-size:clamp(4.8rem,9vw,8.6rem)}.hero-intro{margin-bottom:1.2rem}}

/* Contrast lift on dark-section body text */
.study-heading>div p,.study-heading p,.results-heading p,.approach-lead,.approach-steps p,.tile p,.capstone-copy p,.field-proof-message p,.about-foot p{color:#e4ebe6}
.story-columns p,#domain-reality,#domain-work{color:#eae3d6}
.results-side,.tools-side{color:#a9b9b1}

/* ---------- Offer strip + Leak Meter ---------- */
.offer-strip{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);gap:clamp(2rem,5vw,5rem);align-items:center;background:#c45b32;color:#fff;padding:clamp(3rem,5vw,4.5rem) clamp(1.25rem,5vw,5rem);position:relative;overflow:hidden}
.offer-strip:before{content:'';position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.offer-copy{position:relative}
.offer-kicker{display:block;font-size:.66rem;font-weight:700;letter-spacing:.16em;color:#ffd9c4}
.offer-strip h2{font:400 clamp(2.6rem,4.2vw,4.4rem)/.98 var(--serif);letter-spacing:-.035em;margin:.8rem 0 1rem;color:#fff}
.offer-strip h2 em{font-style:italic;color:#ffe3d1}
.offer-strip .offer-copy>p{margin:0;max-width:600px;font-size:1.05rem;line-height:1.6;color:#fff3ea}
.offer-actions{display:flex;flex-wrap:wrap;gap:1rem 1.6rem;align-items:center;margin-top:1.6rem}
.offer-whatsapp{display:inline-flex;align-items:center;gap:.8rem;background:#10211e;color:#fff;text-decoration:none;padding:1.05rem 1.6rem;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;transition:transform .2s,background .2s}
.offer-whatsapp:hover{background:#000;transform:translateY(-2px)}
.offer-more{color:#fff;text-decoration:none;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:.3rem}
.offer-more:hover{border-color:#fff}

.leak-meter{position:relative;background:#10211e;color:#f8f1e7;padding:1.6rem 1.6rem 1.4rem;border:1px solid rgba(255,255,255,.18);box-shadow:0 30px 60px rgba(0,0,0,.25)}
.leak-meter:before{content:'';position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,#ef8e5c,transparent 70%)}
.leak-head span{display:block;font-size:.6rem;font-weight:700;letter-spacing:.18em;color:#e5a47c}
.leak-head b{display:block;font:400 1.35rem/1.15 var(--serif);margin-top:.35rem;color:#fff}
.leak-slider{display:grid;grid-template-columns:1fr auto;align-items:center;gap:.2rem .8rem;margin-top:1.2rem;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#a9b9b1}
.leak-slider output{font:400 1.6rem/1 var(--serif);color:#fff;letter-spacing:0;text-transform:none}
.leak-slider input{grid-column:1/-1;width:100%;margin:.5rem 0 0;accent-color:#ef8e5c;cursor:pointer}
.leak-tick{margin-top:1.2rem;padding:1rem 1.1rem;background:rgba(239,142,92,.1);border-left:2px solid #ef8e5c}
.leak-tick span{display:block;font-size:.6rem;font-weight:700;letter-spacing:.16em;color:#e5a47c}
.leak-tick strong{display:block;font:400 clamp(2.4rem,3.4vw,3.4rem)/1 var(--serif);letter-spacing:-.03em;color:#fff;margin:.3rem 0 .2rem;font-variant-numeric:tabular-nums}
.leak-tick i{font-style:normal;font-size:.7rem;color:#a9b9b1}
.leak-rows{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);margin-top:1rem;border:1px solid rgba(255,255,255,.14)}
.leak-rows div{background:#10211e;padding:.8rem .9rem}
.leak-rows span{display:block;font-size:.58rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#a9b9b1}
.leak-rows b{display:block;font:400 1.35rem/1.1 var(--serif);color:#fff;margin-top:.25rem;font-variant-numeric:tabular-nums}
.leak-rows .leak-year b{color:#ef8e5c}
.leak-rows i{font-style:normal}
.leak-recover{margin:1rem 0 0;font-size:.92rem;line-height:1.55;color:#e4ebe6}
.leak-recover strong{color:#fff;font-weight:600}
.leak-note{margin:.7rem 0 0;font-size:.68rem;line-height:1.5;color:#8fa399}
@media(max-width:980px){.offer-strip{grid-template-columns:1fr}}
@media(max-width:760px){.offer-strip{padding:2.6rem 1.25rem}.offer-actions{flex-direction:column;align-items:stretch}.offer-whatsapp{justify-content:center}.leak-meter{padding:1.3rem 1.1rem}.leak-rows{grid-template-columns:1fr 1fr}.leak-rows .leak-year{grid-column:1/-1}}

/* ---------- Tools grid (replaces the Thinking stage) ---------- */
.tools-section{background:#171b1c;color:#f8f1e7;padding:clamp(3.5rem,5vw,5.5rem) clamp(1.25rem,5vw,5rem)}
.tools-top{display:flex;justify-content:space-between;align-items:start;gap:2rem}
.tools-side{margin:0;max-width:240px;text-align:right;font-size:.82rem;line-height:1.5}
.tools-heading h2{font:400 clamp(3.2rem,5.6vw,6.4rem)/.92 var(--serif);letter-spacing:-.04em;margin:1.8rem 0 2.4rem;max-width:1000px}
.tools-heading h2 em{color:#e67742;font-style:italic}
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14)}
.tools-grid article{background:#1d2322;padding:1.6rem 1.5rem 1.7rem;display:flex;flex-direction:column;gap:.5rem;transition:background .25s}
.tools-grid article:hover{background:#18332d}
.tools-grid span{font-size:.62rem;letter-spacing:.16em;color:#e5a47c}
.tools-grid h3{font:400 clamp(1.5rem,1.9vw,1.95rem)/1.08 var(--serif);letter-spacing:-.02em;margin:.2rem 0 .3rem;color:#fff}
.tools-grid b{font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#e67742}
.tools-grid p{margin:.3rem 0 0;font-size:.95rem;line-height:1.55;color:#cfd8d2}
@media(max-width:980px){.tools-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.tools-section{padding:3rem 1.25rem}.tools-top{flex-direction:column;gap:.8rem}.tools-side{text-align:left}.tools-grid{grid-template-columns:1fr;margin-left:-1.25rem;margin-right:-1.25rem;border-left:0;border-right:0}.tools-heading h2{font-size:clamp(2.6rem,10vw,4rem)}}

/* v13 final footer: social channels */
.concept-footer .footer-social{display:flex;align-items:center;gap:1rem;white-space:nowrap}
.concept-footer .footer-social a{font-size:.58rem}
@media(max-width:900px){.concept-footer .footer-social{order:4;width:100%;padding-top:.8rem;border-top:1px solid rgba(255,255,255,.15)}}
@media(max-width:500px){.concept-footer .footer-social{gap:.7rem;flex-wrap:wrap}}