:root{--ipt-ink:#173b31;--ipt-gold:#c99a45;--ipt-plum:#6b465b;--ipt-mist:#e7eee8;--ipt-cream:#f7f2e9;--ipt-line:rgba(23,59,49,.18)}
.ipt-page{background:#f7f3ec;color:#273c35;overflow:clip}.ipt-page button{font:inherit}.ipt-hero{min-height:760px;padding:clamp(7rem,12vw,11rem) max(6vw,2rem) clamp(5rem,9vw,8rem);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.75fr);align-items:center;gap:5vw;background:radial-gradient(circle at 82% 38%,rgba(201,154,69,.18),transparent 24%),radial-gradient(circle at 75% 55%,rgba(61,105,91,.18),transparent 33%),linear-gradient(135deg,#faf7f0,#eef1e8 55%,#f5ead8);position:relative}.ipt-hero:after{content:"";position:absolute;inset:auto 7% 0;height:1px;background:linear-gradient(90deg,transparent,var(--ipt-gold),transparent)}.ipt-hero__copy{max-width:820px}.ipt-hero h1{font-size:clamp(3.8rem,7vw,7.7rem);line-height:.93;letter-spacing:-.045em;color:var(--ipt-ink);margin:.4em 0 .3em}.ipt-hero h1 span{display:block;color:var(--ipt-plum);font-style:italic;font-weight:400}.ipt-hero__lead{font-size:clamp(1.18rem,1.8vw,1.55rem);line-height:1.65;max-width:760px}.ipt-facts{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2.5rem}.ipt-facts span{border:1px solid rgba(23,59,49,.2);border-radius:999px;padding:.7rem 1rem;background:rgba(255,255,255,.5);font-size:.95rem}.ipt-facts strong{color:var(--ipt-plum);font-size:1.2em}.ipt-hero__visual{height:min(520px,38vw);min-height:360px;position:relative}.ipt-orbit,.ipt-thread{position:absolute;display:block;border:1px solid rgba(201,154,69,.62);border-radius:50%;transform:rotate(-22deg)}.ipt-orbit--one{inset:4% 2% 18% 10%}.ipt-orbit--two{inset:24% 11% 2% 0;border-color:rgba(23,59,49,.48);transform:rotate(28deg)}.ipt-thread{border-width:0 0 2px 0;border-radius:0;filter:drop-shadow(0 0 7px rgba(201,154,69,.8))}.ipt-thread--one{left:8%;right:3%;top:49%;height:32%;transform:rotate(-23deg) skewX(-22deg)}.ipt-thread--two{left:8%;right:8%;top:25%;height:42%;border-color:rgba(107,70,91,.58);transform:rotate(32deg) skewX(15deg)}.ipt-node{position:absolute;width:18px;height:18px;border-radius:50%;background:var(--ipt-gold);box-shadow:0 0 0 7px rgba(201,154,69,.12),0 0 28px rgba(201,154,69,.65)}.ipt-node--one{left:12%;top:60%}.ipt-node--two{left:59%;top:25%;background:var(--ipt-plum)}.ipt-node--three{right:8%;bottom:20%;background:var(--ipt-ink)}
.ipt-route{position:sticky;top:0;z-index:20;display:flex;justify-content:center;gap:clamp(.5rem,2vw,2rem);padding:.8rem 1.5rem;background:rgba(247,243,236,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--ipt-line)}.ipt-route a{color:var(--ipt-ink);font-size:.92rem;text-decoration:none;padding:.45rem .2rem;border-bottom:1px solid transparent}.ipt-route a:hover,.ipt-route a:focus-visible{border-color:var(--ipt-gold)}
.ipt-section{padding:clamp(5rem,9vw,9rem) max(8vw,2rem);position:relative}.ipt-section>*,.ipt-practical>*,.ipt-sources>*{max-width:1240px;margin-left:auto;margin-right:auto}.ipt-section--tint{background:linear-gradient(135deg,#edf0e9,#f5ede4)}.ipt-section--dark{background:linear-gradient(135deg,#15342c,#26483e);color:#f8f1e6}.ipt-section--measure{background:#eee8dd}.ipt-section__heading{display:grid;grid-template-columns:80px minmax(0,1fr);gap:1.5rem;align-items:start;margin-bottom:3rem}.ipt-step{font-size:.85rem;letter-spacing:.18em;color:var(--ipt-gold);padding-top:.65rem;border-top:1px solid currentColor}.ipt-section h2,.ipt-practical h2{font-size:clamp(2.6rem,5vw,5.3rem);line-height:1.03;letter-spacing:-.035em;color:var(--ipt-ink);max-width:970px;margin:.2em 0}.ipt-section--dark h2{color:#fff5e7}.ipt-intro{font-size:clamp(1.15rem,1.8vw,1.45rem);line-height:1.7;max-width:890px!important;margin-bottom:3.5rem!important}.ipt-prose{font-size:1.1rem;line-height:1.85}.ipt-prose--two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(2rem,6vw,6rem)}.ipt-prose p{margin:0}.ipt-prose em{color:var(--ipt-plum)}.ipt-note{max-width:850px!important;margin-top:2rem!important;font-size:.95rem;opacity:.78;border-left:2px solid var(--ipt-gold);padding-left:1rem}.ipt-cycle{margin-top:4rem!important;display:grid;grid-template-columns:repeat(7,auto);align-items:center;gap:1rem}.ipt-cycle span{min-height:120px;display:flex;align-items:center;justify-content:center;text-align:center;padding:1rem;border:1px solid var(--ipt-line);border-radius:50%;background:rgba(255,255,255,.6);font-weight:600}.ipt-cycle i{font-style:normal;color:var(--ipt-gold);font-size:1.6rem}
.ipt-phases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:rgba(23,59,49,.16);border:1px solid rgba(23,59,49,.16)}.ipt-phases article{background:rgba(255,255,255,.64);padding:clamp(1.6rem,3vw,3rem)}.ipt-phases article>span{color:var(--ipt-plum);font-size:.8rem;text-transform:uppercase;letter-spacing:.14em}.ipt-phases h3{font-size:1.65rem;line-height:1.15;color:var(--ipt-ink);margin:.7rem 0 1.3rem}.ipt-phases p{line-height:1.75}.ipt-term{display:inline;color:inherit;background:none;border:0;border-bottom:1px dotted var(--ipt-gold);padding:0;cursor:pointer;font-weight:650}.ipt-term:hover,.ipt-term:focus-visible{color:var(--ipt-plum);border-bottom-style:solid}
.ipt-focus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:3.5rem!important}.ipt-focus-grid details{border:1px solid var(--ipt-line);background:rgba(255,255,255,.48);transition:.25s ease}.ipt-focus-grid details[open]{background:#fffaf2;box-shadow:0 24px 55px rgba(36,49,42,.09)}.ipt-focus-grid summary{list-style:none;cursor:pointer;min-height:250px;padding:clamp(1.5rem,3vw,2.8rem);display:grid;grid-template-columns:55px 1fr;grid-template-rows:auto 1fr;gap:.8rem 1rem}.ipt-focus-grid summary::-webkit-details-marker{display:none}.ipt-focus-grid summary span{grid-row:1/3;color:var(--ipt-gold);font-size:.8rem;border-top:1px solid currentColor;padding-top:.4rem}.ipt-focus-grid summary strong{font-family:Georgia,serif;font-size:clamp(1.6rem,2.5vw,2.5rem);line-height:1.1;color:var(--ipt-ink);font-weight:500}.ipt-focus-grid summary small{font-size:1rem;line-height:1.65;color:#42554e}.ipt-focus-grid summary:after{content:"+";position:absolute}.ipt-focus-grid details>div{padding:0 clamp(1.5rem,3vw,2.8rem) 2.5rem 5.2rem;line-height:1.75}.ipt-focus-grid details>div p:last-child{margin-bottom:0}
.ipt-session-flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1rem;margin:3rem auto 4rem!important}.ipt-session-flow article{border-top:1px solid rgba(255,255,255,.34);padding-top:1.2rem}.ipt-session-flow b{color:#e5bd72;font-size:1.2rem}.ipt-session-flow p{line-height:1.65;color:rgba(255,255,255,.82)}.ipt-section--dark .ipt-term{color:#fff}.ipt-measure-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem}.ipt-measure-grid>div{background:rgba(255,255,255,.52);padding:2rem;border-top:3px solid var(--ipt-gold)}.ipt-measure-grid h3,.ipt-suitability h3{color:var(--ipt-ink);font-size:1.45rem}.ipt-measure-grid p,.ipt-suitability p,.ipt-suitability li{line-height:1.75}.ipt-suitability{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(2rem,6vw,6rem)}.ipt-suitability ul{padding-left:1.2rem}.ipt-suitability li{margin-bottom:.8rem}.ipt-evidence{margin-top:3.5rem!important;padding:1.6rem 1.8rem;border:1px solid var(--ipt-line);background:rgba(231,238,232,.5);line-height:1.75}
.ipt-practical{padding:clamp(4rem,7vw,7rem) max(8vw,2rem);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4rem;align-items:end;background:linear-gradient(125deg,#dfe8df,#f0dfbf)}.ipt-practical h2{font-size:clamp(2.4rem,4vw,4.6rem)}.ipt-practical p{font-size:1.1rem;line-height:1.75;max-width:850px}.ipt-practical .nav-action{white-space:nowrap}.ipt-sources{padding:2rem max(8vw,2rem);background:#f7f3ec;border-bottom:1px solid var(--ipt-line)}.ipt-sources details{max-width:1100px}.ipt-sources summary{cursor:pointer;color:var(--ipt-ink);font-weight:700}.ipt-sources div{line-height:1.7;padding:1rem 0}.ipt-sources li{margin:.5rem 0}.ipt-sources a{color:var(--ipt-ink)}
.ipt-dialog{border:0;padding:0;background:transparent;max-width:min(720px,calc(100vw - 2rem));width:100%;color:#293d36}.ipt-dialog::backdrop{background:rgba(8,24,19,.72);backdrop-filter:blur(7px)}.ipt-dialog__inner{background:#fbf7ef;padding:clamp(2rem,5vw,4.5rem);border:1px solid rgba(201,154,69,.5);box-shadow:0 35px 90px rgba(0,0,0,.3);position:relative}.ipt-dialog__inner:before{content:"";position:absolute;inset:14px;border:1px solid rgba(201,154,69,.18);pointer-events:none}.ipt-dialog h2{font-size:clamp(2rem,4vw,3.5rem);line-height:1.05;color:var(--ipt-ink);margin:.35em 0}.ipt-dialog #ipt-dialog-copy{font-size:1.05rem;line-height:1.75}.ipt-dialog__close{margin-top:1rem;background:var(--ipt-ink);color:#fff;border:0;border-radius:999px;padding:.85rem 1.2rem;cursor:pointer}.ipt-dialog__close:hover,.ipt-dialog__close:focus-visible{background:var(--ipt-plum)}
@media(max-width:900px){.ipt-hero{grid-template-columns:1fr;min-height:auto;padding-top:8rem}.ipt-hero__visual{height:300px;min-height:0;max-width:500px;width:100%;margin:auto}.ipt-route{justify-content:flex-start;overflow:auto}.ipt-route a{white-space:nowrap}.ipt-prose--two,.ipt-suitability,.ipt-practical{grid-template-columns:1fr}.ipt-phases{grid-template-columns:1fr}.ipt-focus-grid{grid-template-columns:1fr}.ipt-session-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.ipt-session-flow article:last-child{grid-column:1/-1}.ipt-measure-grid{grid-template-columns:1fr}.ipt-cycle{grid-template-columns:1fr}.ipt-cycle i{transform:rotate(90deg);justify-self:center}.ipt-cycle span{min-height:90px;border-radius:999px}.ipt-practical{align-items:start;gap:2rem}}
@media(max-width:560px){.ipt-hero{padding-left:1.25rem;padding-right:1.25rem}.ipt-hero h1{font-size:3.25rem}.ipt-section{padding-left:1.25rem;padding-right:1.25rem}.ipt-section__heading{grid-template-columns:42px 1fr;gap:.8rem}.ipt-section h2{font-size:2.35rem}.ipt-facts{display:grid;grid-template-columns:1fr 1fr}.ipt-facts span{text-align:center}.ipt-focus-grid summary{grid-template-columns:38px 1fr;min-height:0}.ipt-focus-grid details>div{padding-left:1.5rem}.ipt-session-flow{grid-template-columns:1fr}.ipt-session-flow article:last-child{grid-column:auto}.ipt-dialog{max-width:100vw;height:100vh;margin:0}.ipt-dialog__inner{min-height:100%;display:flex;flex-direction:column;justify-content:center}.ipt-dialog__close{align-self:flex-start}.ipt-practical{padding-left:1.25rem;padding-right:1.25rem}.ipt-practical .nav-action{text-align:center}}
@media(prefers-reduced-motion:no-preference){.ipt-node{animation:iptGlow 4s ease-in-out infinite alternate}.ipt-node--two{animation-delay:-1.5s}.ipt-node--three{animation-delay:-3s}@keyframes iptGlow{to{transform:scale(1.18);box-shadow:0 0 0 10px rgba(201,154,69,.08),0 0 38px rgba(201,154,69,.75)}}}